Repository: MHSanaei/3x-ui
Branch: main
Commit: 38d87230d326
Files: 206
Total size: 3.3 MB
Directory structure:
gitextract_ww701i7l/
├── .github/
│ ├── FUNDING.yml
│ ├── ISSUE_TEMPLATE/
│ │ ├── bug_report.yaml
│ │ ├── feature_request.yaml
│ │ └── question.yaml
│ ├── copilot-instructions.md
│ ├── dependabot.yml
│ ├── pull_request_template.yml
│ └── workflows/
│ ├── cleanup_caches.yml
│ ├── docker.yml
│ └── release.yml
├── .gitignore
├── CONTRIBUTING.md
├── DockerEntrypoint.sh
├── DockerInit.sh
├── Dockerfile
├── LICENSE
├── README.ar_EG.md
├── README.es_ES.md
├── README.fa_IR.md
├── README.md
├── README.ru_RU.md
├── README.zh_CN.md
├── config/
│ ├── config.go
│ ├── name
│ └── version
├── database/
│ ├── db.go
│ └── model/
│ └── model.go
├── docker-compose.yml
├── go.mod
├── go.sum
├── install.sh
├── logger/
│ └── logger.go
├── main.go
├── sub/
│ ├── default.json
│ ├── sub.go
│ ├── subController.go
│ ├── subJsonService.go
│ └── subService.go
├── update.sh
├── util/
│ ├── common/
│ │ ├── err.go
│ │ ├── format.go
│ │ └── multi_error.go
│ ├── crypto/
│ │ └── crypto.go
│ ├── json_util/
│ │ └── json.go
│ ├── ldap/
│ │ └── ldap.go
│ ├── random/
│ │ └── random.go
│ ├── reflect_util/
│ │ └── reflect.go
│ └── sys/
│ ├── psutil.go
│ ├── sys_darwin.go
│ ├── sys_linux.go
│ └── sys_windows.go
├── web/
│ ├── assets/
│ │ ├── codemirror/
│ │ │ ├── fold/
│ │ │ │ ├── brace-fold.js
│ │ │ │ ├── foldcode.js
│ │ │ │ ├── foldgutter.css
│ │ │ │ └── foldgutter.js
│ │ │ ├── hint/
│ │ │ │ └── javascript-hint.js
│ │ │ ├── javascript.js
│ │ │ ├── jshint.js
│ │ │ ├── jsonlint.js
│ │ │ └── lint/
│ │ │ ├── javascript-lint.js
│ │ │ ├── lint.css
│ │ │ └── lint.js
│ │ └── js/
│ │ ├── axios-init.js
│ │ ├── model/
│ │ │ ├── dbinbound.js
│ │ │ ├── inbound.js
│ │ │ ├── outbound.js
│ │ │ ├── reality_targets.js
│ │ │ └── setting.js
│ │ ├── subscription.js
│ │ ├── util/
│ │ │ └── index.js
│ │ └── websocket.js
│ ├── controller/
│ │ ├── api.go
│ │ ├── base.go
│ │ ├── inbound.go
│ │ ├── index.go
│ │ ├── server.go
│ │ ├── setting.go
│ │ ├── util.go
│ │ ├── websocket.go
│ │ ├── xray_setting.go
│ │ └── xui.go
│ ├── entity/
│ │ └── entity.go
│ ├── global/
│ │ ├── global.go
│ │ └── hashStorage.go
│ ├── html/
│ │ ├── common/
│ │ │ └── page.html
│ │ ├── component/
│ │ │ ├── aClientTable.html
│ │ │ ├── aCustomStatistic.html
│ │ │ ├── aPersianDatepicker.html
│ │ │ ├── aSettingListItem.html
│ │ │ ├── aSidebar.html
│ │ │ ├── aTableSortable.html
│ │ │ └── aThemeSwitch.html
│ │ ├── form/
│ │ │ ├── client.html
│ │ │ ├── inbound.html
│ │ │ ├── outbound.html
│ │ │ ├── protocol/
│ │ │ │ ├── dokodemo.html
│ │ │ │ ├── http.html
│ │ │ │ ├── shadowsocks.html
│ │ │ │ ├── socks.html
│ │ │ │ ├── trojan.html
│ │ │ │ ├── tun.html
│ │ │ │ ├── vless.html
│ │ │ │ ├── vmess.html
│ │ │ │ └── wireguard.html
│ │ │ ├── reality_settings.html
│ │ │ ├── sniffing.html
│ │ │ ├── stream/
│ │ │ │ ├── external_proxy.html
│ │ │ │ ├── stream_finalmask.html
│ │ │ │ ├── stream_grpc.html
│ │ │ │ ├── stream_httpupgrade.html
│ │ │ │ ├── stream_kcp.html
│ │ │ │ ├── stream_settings.html
│ │ │ │ ├── stream_sockopt.html
│ │ │ │ ├── stream_tcp.html
│ │ │ │ ├── stream_ws.html
│ │ │ │ └── stream_xhttp.html
│ │ │ └── tls_settings.html
│ │ ├── inbounds.html
│ │ ├── index.html
│ │ ├── login.html
│ │ ├── modals/
│ │ │ ├── client_bulk_modal.html
│ │ │ ├── client_modal.html
│ │ │ ├── dns_presets_modal.html
│ │ │ ├── inbound_info_modal.html
│ │ │ ├── inbound_modal.html
│ │ │ ├── prompt_modal.html
│ │ │ ├── qrcode_modal.html
│ │ │ ├── text_modal.html
│ │ │ ├── two_factor_modal.html
│ │ │ ├── warp_modal.html
│ │ │ ├── xray_balancer_modal.html
│ │ │ ├── xray_dns_modal.html
│ │ │ ├── xray_fakedns_modal.html
│ │ │ ├── xray_outbound_modal.html
│ │ │ ├── xray_reverse_modal.html
│ │ │ └── xray_rule_modal.html
│ │ ├── settings/
│ │ │ ├── panel/
│ │ │ │ ├── general.html
│ │ │ │ ├── security.html
│ │ │ │ ├── subscription/
│ │ │ │ │ ├── general.html
│ │ │ │ │ ├── json.html
│ │ │ │ │ └── subpage.html
│ │ │ │ └── telegram.html
│ │ │ └── xray/
│ │ │ ├── advanced.html
│ │ │ ├── balancers.html
│ │ │ ├── basics.html
│ │ │ ├── dns.html
│ │ │ ├── outbounds.html
│ │ │ ├── reverse.html
│ │ │ └── routing.html
│ │ ├── settings.html
│ │ └── xray.html
│ ├── job/
│ │ ├── check_client_ip_job.go
│ │ ├── check_cpu_usage.go
│ │ ├── check_hash_storage.go
│ │ ├── check_xray_running_job.go
│ │ ├── clear_logs_job.go
│ │ ├── ldap_sync_job.go
│ │ ├── periodic_traffic_reset_job.go
│ │ ├── stats_notify_job.go
│ │ └── xray_traffic_job.go
│ ├── locale/
│ │ └── locale.go
│ ├── middleware/
│ │ ├── domainValidator.go
│ │ └── redirect.go
│ ├── network/
│ │ ├── auto_https_conn.go
│ │ └── auto_https_listener.go
│ ├── service/
│ │ ├── config.json
│ │ ├── inbound.go
│ │ ├── outbound.go
│ │ ├── panel.go
│ │ ├── server.go
│ │ ├── setting.go
│ │ ├── tgbot.go
│ │ ├── user.go
│ │ ├── warp.go
│ │ ├── xray.go
│ │ └── xray_setting.go
│ ├── session/
│ │ └── session.go
│ ├── translation/
│ │ ├── translate.ar_EG.toml
│ │ ├── translate.en_US.toml
│ │ ├── translate.es_ES.toml
│ │ ├── translate.fa_IR.toml
│ │ ├── translate.id_ID.toml
│ │ ├── translate.ja_JP.toml
│ │ ├── translate.pt_BR.toml
│ │ ├── translate.ru_RU.toml
│ │ ├── translate.tr_TR.toml
│ │ ├── translate.uk_UA.toml
│ │ ├── translate.vi_VN.toml
│ │ ├── translate.zh_CN.toml
│ │ └── translate.zh_TW.toml
│ ├── web.go
│ └── websocket/
│ ├── hub.go
│ └── notifier.go
├── windows_files/
│ └── readme.txt
├── x-ui.rc
├── x-ui.service.arch
├── x-ui.service.debian
├── x-ui.service.rhel
├── x-ui.sh
└── xray/
├── api.go
├── client_traffic.go
├── config.go
├── inbound.go
├── log_writer.go
├── process.go
└── traffic.go
================================================
FILE CONTENTS
================================================
================================================
FILE: .github/FUNDING.yml
================================================
# These are supported funding model platforms
github: MHSanaei
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
polar: # Replace with a single Polar username
buy_me_a_coffee: mhsanaei
custom: https://nowpayments.io/donation/hsanaei
================================================
FILE: .github/ISSUE_TEMPLATE/bug_report.yaml
================================================
name: Bug report
description: Create a report to help us improve
title: "Bug report"
labels: ["bug"]
body:
- type: markdown
attributes:
value: |
Thank you for reporting a bug! Please fill out the following information.
- type: textarea
id: what-happened
attributes:
label: Describe the bug
description: A clear and concise description of what the bug is.
placeholder: My problem is...
validations:
required: true
- type: textarea
id: how-repeat-problem
attributes:
label: How to repeat the problem?
description: Sequence of actions that allow you to reproduce the bug
placeholder: |
1. Open `Inbounds` page
2. ...
validations:
required: true
- type: textarea
id: expected-action
attributes:
label: Expected action
description: What's going to happen
placeholder: Must be...
validations:
required: false
- type: textarea
id: received-action
attributes:
label: Received action
description: What's really happening
placeholder: It's actually happening...
validations:
required: false
- type: input
id: xui-version
attributes:
label: 3x-ui Version
description: Which version of 3x-ui are you using?
placeholder: 2.X.X
validations:
required: true
- type: input
id: xray-version
attributes:
label: Xray-core Version
description: Which version of Xray-core are you using?
placeholder: 2.X.X
validations:
required: false
- type: checkboxes
id: checklist
attributes:
label: Checklist
description: Please check all the checkboxes
options:
- label: This bug report is written entirely in English.
required: true
- label: This bug report is new and no one has reported it before me.
required: true
================================================
FILE: .github/ISSUE_TEMPLATE/feature_request.yaml
================================================
name: Feature request
description: Suggest an idea for this project
title: "Feature request"
labels: ["enhancement"]
body:
- type: textarea
id: is-related-problem
attributes:
label: Is your feature request related to a problem?
description: A clear and concise description of what the problem is.
placeholder: I'm always frustrated when...
validations:
required: true
- type: textarea
id: solution
attributes:
label: Describe the solution you'd like
description: A clear and concise description of what you want to happen.
validations:
required: true
- type: textarea
id: alternatives
attributes:
label: Describe alternatives you've considered
description: A clear and concise description of any alternative solutions or features you've considered.
validations:
required: false
- type: checkboxes
id: checklist
attributes:
label: Checklist
description: Please check all the checkboxes
options:
- label: This feature report is written entirely in English.
required: true
================================================
FILE: .github/ISSUE_TEMPLATE/question.yaml
================================================
name: Question
description: Describe this issue template's purpose here.
title: "Question"
labels: ["question"]
body:
- type: textarea
id: question
attributes:
label: Question
placeholder: I have a question, ..., how can I solve it?
validations:
required: true
- type: checkboxes
id: checklist
attributes:
label: Checklist
description: Please check all the checkboxes
options:
- label: This question is written entirely in English.
required: true
================================================
FILE: .github/copilot-instructions.md
================================================
# 3X-UI Development Guide
## Project Overview
3X-UI is a web-based control panel for managing Xray-core servers. It's a Go application using Gin web framework with embedded static assets and SQLite database. The panel manages VPN/proxy inbounds, monitors traffic, and provides Telegram bot integration.
## Architecture
### Core Components
- **main.go**: Entry point that initializes database, web server, and subscription server. Handles graceful shutdown via SIGHUP/SIGTERM signals
- **web/**: Primary web server with Gin router, HTML templates, and static assets embedded via `//go:embed`
- **xray/**: Xray-core process management and API communication for traffic monitoring
- **database/**: GORM-based SQLite database with models in `database/model/`
- **sub/**: Subscription server running alongside main web server (separate port)
- **web/service/**: Business logic layer containing InboundService, SettingService, TgBot, etc.
- **web/controller/**: HTTP handlers using Gin context (`*gin.Context`)
- **web/job/**: Cron-based background jobs for traffic monitoring, CPU checks, LDAP sync
### Key Architectural Patterns
1. **Embedded Resources**: All web assets (HTML, CSS, JS, translations) are embedded at compile time using `embed.FS`:
- `web/assets` → `assetsFS`
- `web/html` → `htmlFS`
- `web/translation` → `i18nFS`
2. **Dual Server Design**: Main web panel + subscription server run concurrently, managed by `web/global` package
3. **Xray Integration**: Panel generates `config.json` for Xray binary, communicates via gRPC API for real-time traffic stats
4. **Signal-Based Restart**: SIGHUP triggers graceful restart. **Critical**: Always call `service.StopBot()` before restart to prevent Telegram bot 409 conflicts
5. **Database Seeders**: Uses `HistoryOfSeeders` model to track one-time migrations (e.g., password bcrypt migration)
## Development Workflows
### Building & Running
```bash
# Build (creates bin/3x-ui.exe)
go run tasks.json → "go: build" task
# Run with debug logging
XUI_DEBUG=true go run ./main.go
# Or use task: "go: run"
# Test
go test ./...
```
### Command-Line Operations
The main.go accepts flags for admin tasks:
- `-reset` - Reset all panel settings to defaults
- `-show` - Display current settings (port, paths)
- Use these by running the binary directly, not via web interface
### Database Management
- DB path: Configured via `config.GetDBPath()`, typically `/etc/x-ui/x-ui.db`
- Models: Located in `database/model/model.go` - Auto-migrated on startup
- Seeders: Use `HistoryOfSeeders` to prevent re-running migrations
- Default credentials: admin/admin (hashed with bcrypt)
### Telegram Bot Development
- Bot instance in `web/service/tgbot.go` (3700+ lines)
- Uses `telego` library with long polling
- **Critical Pattern**: Must call `service.StopBot()` before any server restart to prevent 409 bot conflicts
- Bot handlers use `telegohandler.BotHandler` for routing
- i18n via embedded `i18nFS` passed to bot startup
## Code Conventions
### Service Layer Pattern
Services inject dependencies (like xray.XrayAPI) and operate on GORM models:
```go
type InboundService struct {
xrayApi xray.XrayAPI
}
func (s *InboundService) GetInbounds(userId int) ([]*model.Inbound, error) {
// Business logic here
}
```
### Controller Pattern
Controllers use Gin context and inherit from BaseController:
```go
func (a *InboundController) getInbounds(c *gin.Context) {
// Use I18nWeb(c, "key") for translations
// Check auth via checkLogin middleware
}
```
### Configuration Management
- Environment vars: `XUI_DEBUG`, `XUI_LOG_LEVEL`, `XUI_MAIN_FOLDER`
- Config embedded files: `config/version`, `config/name`
- Use `config.GetLogLevel()`, `config.GetDBPath()` helpers
### Internationalization
- Translation files: `web/translation/translate.*.toml`
- Access via `I18nWeb(c, "pages.login.loginAgain")` in controllers
- Use `locale.I18nType` enum (Web, Api, etc.)
## External Dependencies & Integration
### Xray-core
- Binary management: Download platform-specific binary (`xray-{os}-{arch}`) to bin folder
- Config generation: Panel creates `config.json` dynamically from inbound/outbound settings
- Process control: Start/stop via `xray/process.go`
- gRPC API: Real-time stats via `xray/api.go` using `google.golang.org/grpc`
### Critical External Paths
- Xray binary: `{bin_folder}/xray-{os}-{arch}`
- Xray config: `{bin_folder}/config.json`
- GeoIP/GeoSite: `{bin_folder}/geoip.dat`, `geosite.dat`
- Logs: `{log_folder}/3xipl.log`, `3xipl-banned.log`
### Job Scheduling
Uses `robfig/cron/v3` for periodic tasks:
- Traffic monitoring: `xray_traffic_job.go`
- CPU alerts: `check_cpu_usage.go`
- IP tracking: `check_client_ip_job.go`
- LDAP sync: `ldap_sync_job.go`
Jobs registered in `web/web.go` during server initialization
## Deployment & Scripts
### Installation Script Pattern
Both `install.sh` and `x-ui.sh` follow these patterns:
- Multi-distro support via `$release` variable (ubuntu, debian, centos, arch, etc.)
- Port detection with `is_port_in_use()` using ss/netstat/lsof
- Systemd service management with distro-specific unit files (`.service.debian`, `.service.arch`, `.service.rhel`)
### Docker Build
Multi-stage Dockerfile:
1. **Builder**: CGO-enabled build, runs `DockerInit.sh` to download Xray binary
2. **Final**: Alpine-based with fail2ban pre-configured
### Key File Locations (Production)
- Binary: `/usr/local/x-ui/`
- Database: `/etc/x-ui/x-ui.db`
- Logs: `/var/log/x-ui/`
- Service: `/etc/systemd/system/x-ui.service.*`
## Testing & Debugging
- Set `XUI_DEBUG=true` for detailed logging
- Check Xray process: `x-ui.sh` script provides menu for status/logs
- Database inspection: Direct SQLite access to x-ui.db
- Traffic debugging: Check `3xipl.log` for IP limit tracking
- Telegram bot: Logs show bot initialization and command handling
## Common Gotchas
1. **Bot Restart**: Always stop Telegram bot before server restart to avoid 409 conflict
2. **Embedded Assets**: Changes to HTML/CSS require recompilation (not hot-reload)
3. **Password Migration**: Seeder system tracks bcrypt migration - check `HistoryOfSeeders` table
4. **Port Binding**: Subscription server uses different port from main panel
5. **Xray Binary**: Must match OS/arch exactly - managed by installer scripts
6. **Session Management**: Uses `gin-contrib/sessions` with cookie store
7. **IP Limitation**: Implements "last IP wins" - when client exceeds LimitIP, oldest connections are automatically disconnected via Xray API to allow newest IPs
================================================
FILE: .github/dependabot.yml
================================================
# To get started with Dependabot version updates, you'll need to specify which
# package ecosystems to update and where the package manifests are located.
# Please see the documentation for all configuration options:
# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
version: 2
updates:
- package-ecosystem: "github-actions" # See documentation for possible values
directory: "/" # Location of package manifests
schedule:
interval: "weekly"
================================================
FILE: .github/pull_request_template.yml
================================================
## What is the pull request?
## Which part of the application is affected by the change?
- [ ] Frontend
- [ ] Backend
## Type of Changes
- [ ] Bug fix
- [ ] New feature
- [ ] Refactoring
- [ ] Other
## Screenshots
================================================
FILE: .github/workflows/cleanup_caches.yml
================================================
name: Cleanup Caches
on:
schedule:
- cron: '0 3 * * 0' # every Sunday
workflow_dispatch:
jobs:
cleanup:
runs-on: ubuntu-latest
permissions:
actions: write
steps:
- name: Delete caches older than 3 days
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
run: |
CUTOFF_DATE=$(date -d "3 days ago" -Ins --utc | sed 's/+0000/Z/')
echo "Deleting caches older than: $CUTOFF_DATE"
CACHE_IDS=$(gh api --paginate repos/${{ github.repository }}/actions/caches \
--jq ".actions_caches[] | select(.last_accessed_at < \"$CUTOFF_DATE\") | .id" 2>/dev/null)
if [ -z "$CACHE_IDS" ]; then
echo "No old caches found to delete."
else
echo "$CACHE_IDS" | while read CACHE_ID; do
echo "Deleting cache: $CACHE_ID"
gh api -X DELETE repos/${{ github.repository }}/actions/caches/$CACHE_ID
done
echo "Old caches deleted successfully."
fi
================================================
FILE: .github/workflows/docker.yml
================================================
name: Release 3X-UI for Docker
permissions:
contents: read
packages: write
on:
workflow_dispatch:
push:
tags:
- "v*.*.*"
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v6
with:
submodules: true
- name: Docker meta
id: meta
uses: docker/metadata-action@v6
with:
images: |
hsanaeii/3x-ui
ghcr.io/mhsanaei/3x-ui
tags: |
type=ref,event=branch
type=ref,event=tag
type=semver,pattern={{version}}
- name: Set up QEMU
uses: docker/setup-qemu-action@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v4
with:
install: true
- name: Login to Docker Hub
uses: docker/login-action@v4
with:
username: ${{ secrets.DOCKER_HUB_USERNAME }}
password: ${{ secrets.DOCKER_HUB_TOKEN }}
- name: Login to GHCR
uses: docker/login-action@v4
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push Docker image
uses: docker/build-push-action@v7
with:
context: .
push: true
platforms: linux/amd64,linux/arm64/v8,linux/arm/v7,linux/arm/v6,linux/386
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
================================================
FILE: .github/workflows/release.yml
================================================
name: Release 3X-UI
on:
workflow_dispatch:
push:
branches:
- '**'
tags:
- "v*.*.*"
paths:
- '**.js'
- '**.css'
- '**.html'
- '**.sh'
- '**.go'
- 'go.mod'
- 'go.sum'
- 'x-ui.service.debian'
- 'x-ui.service.arch'
- 'x-ui.service.rhel'
pull_request:
jobs:
analyze:
name: Analyze Go code
permissions:
contents: read
runs-on: ubuntu-latest
timeout-minutes: 20
steps:
- name: Checkout repository
uses: actions/checkout@v6
- name: Set up Go
uses: actions/setup-go@v6
with:
go-version-file: go.mod
cache: true
- name: Check formatting
run: |
unformatted=$(gofmt -l .)
if [ -n "$unformatted" ]; then
echo "These files are not gofmt-formatted:"
echo "$unformatted"
exit 1
fi
- name: Run go vet
run: go vet ./...
- name: Run staticcheck
uses: dominikh/staticcheck-action@v1
with:
version: "latest"
install-go: false
- name: Run tests
run: go test -race -shuffle=on ./...
build:
needs: analyze
permissions:
contents: write
strategy:
matrix:
platform:
- amd64
- arm64
- armv7
- armv6
- 386
- armv5
- s390x
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v6
- name: Setup Go
uses: actions/setup-go@v6
with:
go-version-file: go.mod
check-latest: true
- name: Build 3X-UI
run: |
export CGO_ENABLED=1
export GOOS=linux
export GOARCH=${{ matrix.platform }}
# Use Bootlin prebuilt cross-toolchains (musl 1.2.5 in stable series)
case "${{ matrix.platform }}" in
amd64) BOOTLIN_ARCH="x86-64" ;;
arm64) BOOTLIN_ARCH="aarch64" ;;
armv7) BOOTLIN_ARCH="armv7-eabihf"; export GOARCH=arm GOARM=7 ;;
armv6) BOOTLIN_ARCH="armv6-eabihf"; export GOARCH=arm GOARM=6 ;;
armv5) BOOTLIN_ARCH="armv5-eabi"; export GOARCH=arm GOARM=5 ;;
386) BOOTLIN_ARCH="x86-i686" ;;
s390x) BOOTLIN_ARCH="s390x-z13" ;;
esac
echo "Resolving Bootlin musl toolchain for arch=$BOOTLIN_ARCH (platform=${{ matrix.platform }})"
TARBALL_BASE="https://toolchains.bootlin.com/downloads/releases/toolchains/$BOOTLIN_ARCH/tarballs/"
TARBALL_URL=$(curl -fsSL "$TARBALL_BASE" | grep -oE "${BOOTLIN_ARCH}--musl--stable-[^\"]+\\.tar\\.xz" | sort -r | head -n1)
[ -z "$TARBALL_URL" ] && { echo "Failed to locate Bootlin musl toolchain for arch=$BOOTLIN_ARCH" >&2; exit 1; }
echo "Downloading: $TARBALL_URL"
cd /tmp
curl -fL -sS -o "$(basename "$TARBALL_URL")" "$TARBALL_BASE/$TARBALL_URL"
tar -xf "$(basename "$TARBALL_URL")"
TOOLCHAIN_DIR=$(find . -maxdepth 1 -type d -name "${BOOTLIN_ARCH}--musl--stable-*" | head -n1)
export PATH="$(realpath "$TOOLCHAIN_DIR")/bin:$PATH"
export CC=$(realpath "$(find "$TOOLCHAIN_DIR/bin" -name '*-gcc.br_real' -type f -executable | head -n1)")
[ -z "$CC" ] && { echo "No gcc.br_real found in $TOOLCHAIN_DIR/bin" >&2; exit 1; }
cd -
go build -ldflags "-w -s -linkmode external -extldflags '-static'" -o xui-release -v main.go
file xui-release
ldd xui-release || echo "Static binary confirmed"
mkdir x-ui
cp xui-release x-ui/
cp x-ui.service.debian x-ui/
cp x-ui.service.arch x-ui/
cp x-ui.service.rhel x-ui/
cp x-ui.sh x-ui/
mv x-ui/xui-release x-ui/x-ui
mkdir x-ui/bin
cd x-ui/bin
# Download dependencies
Xray_URL="https://github.com/XTLS/Xray-core/releases/download/v26.2.6/"
if [ "${{ matrix.platform }}" == "amd64" ]; then
wget -q ${Xray_URL}Xray-linux-64.zip
unzip Xray-linux-64.zip
rm -f Xray-linux-64.zip
elif [ "${{ matrix.platform }}" == "arm64" ]; then
wget -q ${Xray_URL}Xray-linux-arm64-v8a.zip
unzip Xray-linux-arm64-v8a.zip
rm -f Xray-linux-arm64-v8a.zip
elif [ "${{ matrix.platform }}" == "armv7" ]; then
wget -q ${Xray_URL}Xray-linux-arm32-v7a.zip
unzip Xray-linux-arm32-v7a.zip
rm -f Xray-linux-arm32-v7a.zip
elif [ "${{ matrix.platform }}" == "armv6" ]; then
wget -q ${Xray_URL}Xray-linux-arm32-v6.zip
unzip Xray-linux-arm32-v6.zip
rm -f Xray-linux-arm32-v6.zip
elif [ "${{ matrix.platform }}" == "386" ]; then
wget -q ${Xray_URL}Xray-linux-32.zip
unzip Xray-linux-32.zip
rm -f Xray-linux-32.zip
elif [ "${{ matrix.platform }}" == "armv5" ]; then
wget -q ${Xray_URL}Xray-linux-arm32-v5.zip
unzip Xray-linux-arm32-v5.zip
rm -f Xray-linux-arm32-v5.zip
elif [ "${{ matrix.platform }}" == "s390x" ]; then
wget -q ${Xray_URL}Xray-linux-s390x.zip
unzip Xray-linux-s390x.zip
rm -f Xray-linux-s390x.zip
fi
rm -f geoip.dat geosite.dat
wget -q https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
wget -q https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat
wget -q -O geoip_IR.dat https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geoip.dat
wget -q -O geosite_IR.dat https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geosite.dat
wget -q -O geoip_RU.dat https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geoip.dat
wget -q -O geosite_RU.dat https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geosite.dat
mv xray xray-linux-${{ matrix.platform }}
cd ../..
- name: Package
run: tar -zcvf x-ui-linux-${{ matrix.platform }}.tar.gz x-ui
- name: Upload files to Artifacts
uses: actions/upload-artifact@v7
with:
name: x-ui-linux-${{ matrix.platform }}
path: ./x-ui-linux-${{ matrix.platform }}.tar.gz
- name: Upload files to GH release
uses: svenstaro/upload-release-action@v2
if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
with:
repo_token: ${{ secrets.GITHUB_TOKEN }}
tag: ${{ github.ref_name }}
file: x-ui-linux-${{ matrix.platform }}.tar.gz
asset_name: x-ui-linux-${{ matrix.platform }}.tar.gz
overwrite: true
prerelease: true
# =================================
# Windows Build
# =================================
build-windows:
name: Build for Windows
needs: analyze
permissions:
contents: write
strategy:
matrix:
platform:
- amd64
runs-on: windows-latest
steps:
- name: Checkout repository
uses: actions/checkout@v6
- name: Setup Go
uses: actions/setup-go@v6
with:
go-version-file: go.mod
check-latest: true
- name: Install MSYS2
uses: msys2/setup-msys2@v2
with:
msystem: MINGW64
update: true
install: >-
mingw-w64-x86_64-gcc
mingw-w64-x86_64-sqlite3
mingw-w64-x86_64-pkg-config
- name: Build 3X-UI for Windows (CGO)
shell: msys2 {0}
run: |
export PATH="/c/hostedtoolcache/windows/go/$(ls /c/hostedtoolcache/windows/go | sort -V | tail -n1)/x64/bin:$PATH"
export CGO_ENABLED=1
export GOOS=windows
export GOARCH=amd64
export CC=x86_64-w64-mingw32-gcc
which go
go version
gcc --version
go build -ldflags "-w -s" -o xui-release.exe -v main.go
- name: Copy and download resources
shell: pwsh
run: |
mkdir x-ui
Copy-Item xui-release.exe x-ui\x-ui.exe
mkdir x-ui\bin
cd x-ui\bin
# Download Xray for Windows
$Xray_URL = "https://github.com/XTLS/Xray-core/releases/download/v26.2.6/"
Invoke-WebRequest -Uri "${Xray_URL}Xray-windows-64.zip" -OutFile "Xray-windows-64.zip"
Expand-Archive -Path "Xray-windows-64.zip" -DestinationPath .
Remove-Item "Xray-windows-64.zip"
Remove-Item geoip.dat, geosite.dat -ErrorAction SilentlyContinue
Invoke-WebRequest -Uri "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat" -OutFile "geoip.dat"
Invoke-WebRequest -Uri "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat" -OutFile "geosite.dat"
Invoke-WebRequest -Uri "https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geoip.dat" -OutFile "geoip_IR.dat"
Invoke-WebRequest -Uri "https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geosite.dat" -OutFile "geosite_IR.dat"
Invoke-WebRequest -Uri "https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geoip.dat" -OutFile "geoip_RU.dat"
Invoke-WebRequest -Uri "https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geosite.dat" -OutFile "geosite_RU.dat"
Rename-Item xray.exe xray-windows-amd64.exe
cd ..
Copy-Item -Path ..\windows_files\* -Destination . -Recurse
cd ..
- name: Package to Zip
shell: pwsh
run: |
Compress-Archive -Path .\x-ui -DestinationPath "x-ui-windows-amd64.zip"
- name: Upload files to Artifacts
uses: actions/upload-artifact@v7
with:
name: x-ui-windows-amd64
path: ./x-ui-windows-amd64.zip
- name: Upload files to GH release
uses: svenstaro/upload-release-action@v2
if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
with:
repo_token: ${{ secrets.GITHUB_TOKEN }}
tag: ${{ github.ref_name }}
file: x-ui-windows-amd64.zip
asset_name: x-ui-windows-amd64.zip
overwrite: true
prerelease: true
================================================
FILE: .gitignore
================================================
# Ignore editor and IDE settings
.idea/
.vscode/
.cache/
.sync*
# Ignore log files
*.log
# Ignore temporary files
tmp/
*.tar.gz
# Ignore build and distribution directories
backup/
bin/
dist/
release/
node_modules/
# Ignore compiled binaries
main
# Ignore script and executable files
/release.sh
/x-ui
# Ignore OS specific files
.DS_Store
Thumbs.db
# Ignore Go build files
*.exe
x-ui.db
# Ignore Docker specific files
docker-compose.override.yml
# Ignore .env (Environment Variables) file
.env
================================================
FILE: CONTRIBUTING.md
================================================
## Local Development Setup
- Create a directory named `x-ui` in the project root
- Rename `.env.example` to `.env `
- Run `main.go`
================================================
FILE: DockerEntrypoint.sh
================================================
#!/bin/sh
# Start fail2ban
[ $XUI_ENABLE_FAIL2BAN == "true" ] && fail2ban-client -x start
# Run x-ui
exec /app/x-ui
================================================
FILE: DockerInit.sh
================================================
#!/bin/sh
case $1 in
amd64)
ARCH="64"
FNAME="amd64"
;;
i386)
ARCH="32"
FNAME="i386"
;;
armv8 | arm64 | aarch64)
ARCH="arm64-v8a"
FNAME="arm64"
;;
armv7 | arm | arm32)
ARCH="arm32-v7a"
FNAME="arm32"
;;
armv6)
ARCH="arm32-v6"
FNAME="armv6"
;;
*)
ARCH="64"
FNAME="amd64"
;;
esac
mkdir -p build/bin
cd build/bin
curl -sfLRO "https://github.com/XTLS/Xray-core/releases/download/v26.2.6/Xray-linux-${ARCH}.zip"
unzip "Xray-linux-${ARCH}.zip"
rm -f "Xray-linux-${ARCH}.zip" geoip.dat geosite.dat
mv xray "xray-linux-${FNAME}"
curl -sfLRO https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
curl -sfLRO https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat
curl -sfLRo geoip_IR.dat https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geoip.dat
curl -sfLRo geosite_IR.dat https://github.com/chocolate4u/Iran-v2ray-rules/releases/latest/download/geosite.dat
curl -sfLRo geoip_RU.dat https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geoip.dat
curl -sfLRo geosite_RU.dat https://github.com/runetfreedom/russia-v2ray-rules-dat/releases/latest/download/geosite.dat
cd ../../
================================================
FILE: Dockerfile
================================================
# ========================================================
# Stage: Builder
# ========================================================
FROM golang:1.26-alpine AS builder
WORKDIR /app
ARG TARGETARCH
RUN apk --no-cache --update add \
build-base \
gcc \
curl \
unzip
COPY . .
ENV CGO_ENABLED=1
ENV CGO_CFLAGS="-D_LARGEFILE64_SOURCE"
RUN go build -ldflags "-w -s" -o build/x-ui main.go
RUN ./DockerInit.sh "$TARGETARCH"
# ========================================================
# Stage: Final Image of 3x-ui
# ========================================================
FROM alpine
ENV TZ=Asia/Tehran
WORKDIR /app
RUN apk add --no-cache --update \
ca-certificates \
tzdata \
fail2ban \
bash \
curl \
openssl
COPY --from=builder /app/build/ /app/
COPY --from=builder /app/DockerEntrypoint.sh /app/
COPY --from=builder /app/x-ui.sh /usr/bin/x-ui
# Configure fail2ban
RUN rm -f /etc/fail2ban/jail.d/alpine-ssh.conf \
&& cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local \
&& sed -i "s/^\[ssh\]$/&\nenabled = false/" /etc/fail2ban/jail.local \
&& sed -i "s/^\[sshd\]$/&\nenabled = false/" /etc/fail2ban/jail.local \
&& sed -i "s/#allowipv6 = auto/allowipv6 = auto/g" /etc/fail2ban/fail2ban.conf
RUN chmod +x \
/app/DockerEntrypoint.sh \
/app/x-ui \
/usr/bin/x-ui
ENV XUI_ENABLE_FAIL2BAN="true"
EXPOSE 2053
VOLUME [ "/etc/x-ui" ]
CMD [ "./x-ui" ]
ENTRYPOINT [ "/app/DockerEntrypoint.sh" ]
================================================
FILE: LICENSE
================================================
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc.
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you
these rights or asking you to surrender the rights. Therefore, you have
certain responsibilities if you distribute copies of the software, or if
you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must pass on to the recipients the same
freedoms that you received. You must make sure that they, too, receive
or can get the source code. And you must show them these terms so they
know their rights.
Developers that use the GNU GPL protect your rights with two steps:
(1) assert copyright on the software, and (2) offer you this License
giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains
that there is no warranty for this free software. For both users' and
authors' sake, the GPL requires that modified versions be marked as
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Some devices are designed to deny users access to install or run
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The precise terms and conditions for copying, distribution and
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For more information on this, and how to apply and follow the GNU GPL, see
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The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
.
================================================
FILE: README.ar_EG.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — لوحة تحكم متقدمة مفتوحة المصدر تعتمد على الويب مصممة لإدارة خادم Xray-core. توفر واجهة سهلة الاستخدام لتكوين ومراقبة بروتوكولات VPN والوكيل المختلفة.
> [!IMPORTANT]
> هذا المشروع مخصص للاستخدام الشخصي والاتصال فقط، يرجى عدم استخدامه لأغراض غير قانونية، يرجى عدم استخدامه في بيئة الإنتاج.
كمشروع محسن من مشروع X-UI الأصلي، يوفر 3X-UI استقرارًا محسنًا ودعمًا أوسع للبروتوكولات وميزات إضافية.
## البدء السريع
```
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
للحصول على الوثائق الكاملة، يرجى زيارة [ويكي المشروع](https://github.com/MHSanaei/3x-ui/wiki).
## شكر خاص إلى
- [alireza0](https://github.com/alireza0/)
## الاعتراف
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (الترخيص: **GPL-3.0**): _قواعد توجيه v2ray/xray و v2ray/xray-clients المحسنة مع النطاقات الإيرانية المدمجة وتركيز على الأمان وحظر الإعلانات._
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (الترخيص: **GPL-3.0**): _يحتوي هذا المستودع على قواعد توجيه V2Ray محدثة تلقائيًا بناءً على بيانات النطاقات والعناوين المحظورة في روسيا._
## دعم المشروع
**إذا كان هذا المشروع مفيدًا لك، فقد ترغب في إعطائه**:star2:
## النجوم عبر الزمن
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: README.es_ES.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — panel de control avanzado basado en web de código abierto diseñado para gestionar el servidor Xray-core. Ofrece una interfaz fácil de usar para configurar y monitorear varios protocolos VPN y proxy.
> [!IMPORTANT]
> Este proyecto es solo para uso personal y comunicación, por favor no lo use para fines ilegales, por favor no lo use en un entorno de producción.
Como una versión mejorada del proyecto X-UI original, 3X-UI proporciona mayor estabilidad, soporte más amplio de protocolos y características adicionales.
## Inicio Rápido
```
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
Para documentación completa, visita la [Wiki del proyecto](https://github.com/MHSanaei/3x-ui/wiki).
## Un Agradecimiento Especial a
- [alireza0](https://github.com/alireza0/)
## Reconocimientos
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (Licencia: **GPL-3.0**): _Reglas de enrutamiento mejoradas para v2ray/xray y v2ray/xray-clients con dominios iraníes incorporados y un enfoque en seguridad y bloqueo de anuncios._
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (Licencia: **GPL-3.0**): _Este repositorio contiene reglas de enrutamiento V2Ray actualizadas automáticamente basadas en datos de dominios y direcciones bloqueadas en Rusia._
## Apoyar el Proyecto
**Si este proyecto te es útil, puedes darle una**:star2:
## Estrellas a lo Largo del Tiempo
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: README.fa_IR.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — یک پنل کنترل پیشرفته مبتنی بر وب با کد باز که برای مدیریت سرور Xray-core طراحی شده است. این پنل یک رابط کاربری آسان برای پیکربندی و نظارت بر پروتکلهای مختلف VPN و پراکسی ارائه میدهد.
> [!IMPORTANT]
> این پروژه فقط برای استفاده شخصی و ارتباطات است، لطفاً از آن برای اهداف غیرقانونی استفاده نکنید، لطفاً از آن در محیط تولید استفاده نکنید.
به عنوان یک نسخه بهبود یافته از پروژه اصلی X-UI، 3X-UI پایداری بهتر، پشتیبانی گستردهتر از پروتکلها و ویژگیهای اضافی را ارائه میدهد.
## شروع سریع
```
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
برای مستندات کامل، لطفاً به [ویکی پروژه](https://github.com/MHSanaei/3x-ui/wiki) مراجعه کنید.
## تشکر ویژه از
- [alireza0](https://github.com/alireza0/)
## قدردانی
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (مجوز: **GPL-3.0**): _قوانین مسیریابی بهبود یافته v2ray/xray و v2ray/xray-clients با دامنههای ایرانی داخلی و تمرکز بر امنیت و مسدود کردن تبلیغات._
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (مجوز: **GPL-3.0**): _این مخزن شامل قوانین مسیریابی V2Ray بهروزرسانی شده خودکار بر اساس دادههای دامنهها و آدرسهای مسدود شده در روسیه است._
## پشتیبانی از پروژه
**اگر این پروژه برای شما مفید است، میتوانید به آن یک**:star2: بدهید
## ستارهها در طول زمان
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: README.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — advanced, open-source web-based control panel designed for managing Xray-core server. It offers a user-friendly interface for configuring and monitoring various VPN and proxy protocols.
> [!IMPORTANT]
> This project is only for personal usage, please do not use it for illegal purposes, and please do not use it in a production environment.
As an enhanced fork of the original X-UI project, 3X-UI provides improved stability, broader protocol support, and additional features.
## Quick Start
```bash
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
For full documentation, please visit the [project Wiki](https://github.com/MHSanaei/3x-ui/wiki).
## A Special Thanks to
- [alireza0](https://github.com/alireza0/)
## Acknowledgment
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (License: **GPL-3.0**): _Enhanced v2ray/xray and v2ray/xray-clients routing rules with built-in Iranian domains and a focus on security and adblocking._
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (License: **GPL-3.0**): _This repository contains automatically updated V2Ray routing rules based on data on blocked domains and addresses in Russia._
## Support project
**If this project is helpful to you, you may wish to give it a**:star2:
## Stargazers over Time
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: README.ru_RU.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — продвинутая панель управления с открытым исходным кодом на основе веб-интерфейса, разработанная для управления сервером Xray-core. Предоставляет удобный интерфейс для настройки и мониторинга различных VPN и прокси-протоколов.
> [!IMPORTANT]
> Этот проект предназначен только для личного использования, пожалуйста, не используйте его в незаконных целях и в производственной среде.
Как улучшенная версия оригинального проекта X-UI, 3X-UI обеспечивает повышенную стабильность, более широкую поддержку протоколов и дополнительные функции.
## Быстрый старт
```
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
Полную документацию смотрите в [вики проекта](https://github.com/MHSanaei/3x-ui/wiki).
## Особая благодарность
- [alireza0](https://github.com/alireza0/)
## Благодарности
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (Лицензия: **GPL-3.0**): _Улучшенные правила маршрутизации для v2ray/xray и v2ray/xray-clients со встроенными иранскими доменами и фокусом на безопасность и блокировку рекламы._
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (Лицензия: **GPL-3.0**): _Этот репозиторий содержит автоматически обновляемые правила маршрутизации V2Ray на основе данных о заблокированных доменах и адресах в России._
## Поддержка проекта
**Если этот проект полезен для вас, вы можете поставить ему**:star2:
## Звезды с течением времени
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: README.zh_CN.md
================================================
[English](/README.md) | [فارسی](/README.fa_IR.md) | [العربية](/README.ar_EG.md) | [中文](/README.zh_CN.md) | [Español](/README.es_ES.md) | [Русский](/README.ru_RU.md)
[](https://github.com/MHSanaei/3x-ui/releases)
[](https://github.com/MHSanaei/3x-ui/actions)
[](#)
[](https://github.com/MHSanaei/3x-ui/releases/latest)
[](https://www.gnu.org/licenses/gpl-3.0.en.html)
[](https://pkg.go.dev/github.com/mhsanaei/3x-ui/v2)
[](https://goreportcard.com/report/github.com/mhsanaei/3x-ui/v2)
**3X-UI** — 一个基于网页的高级开源控制面板，专为管理 Xray-core 服务器而设计。它提供了用户友好的界面，用于配置和监控各种 VPN 和代理协议。
> [!IMPORTANT]
> 本项目仅用于个人使用和通信，请勿将其用于非法目的，请勿在生产环境中使用。
作为原始 X-UI 项目的增强版本，3X-UI 提供了更好的稳定性、更广泛的协议支持和额外的功能。
## 快速开始
```
bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)
```
完整文档请参阅 [项目Wiki](https://github.com/MHSanaei/3x-ui/wiki)。
## 特别感谢
- [alireza0](https://github.com/alireza0/)
## 致谢
- [Iran v2ray rules](https://github.com/chocolate4u/Iran-v2ray-rules) (许可证: **GPL-3.0**): _增强的 v2ray/xray 和 v2ray/xray-clients 路由规则，内置伊朗域名，专注于安全性和广告拦截。_
- [Russia v2ray rules](https://github.com/runetfreedom/russia-v2ray-rules-dat) (许可证: **GPL-3.0**): _此仓库包含基于俄罗斯被阻止域名和地址数据自动更新的 V2Ray 路由规则。_
## 支持项目
**如果这个项目对您有帮助，您可以给它一个**:star2:
## 随时间变化的星标数
[](https://starchart.cc/MHSanaei/3x-ui)
================================================
FILE: config/config.go
================================================
// Package config provides configuration management utilities for the 3x-ui panel,
// including version information, logging levels, database paths, and environment variable handling.
package config
import (
_ "embed"
"fmt"
"io"
"os"
"path/filepath"
"runtime"
"strings"
)
//go:embed version
var version string
//go:embed name
var name string
// LogLevel represents the logging level for the application.
type LogLevel string
// Logging level constants
const (
Debug LogLevel = "debug"
Info LogLevel = "info"
Notice LogLevel = "notice"
Warning LogLevel = "warning"
Error LogLevel = "error"
)
// GetVersion returns the version string of the 3x-ui application.
func GetVersion() string {
return strings.TrimSpace(version)
}
// GetName returns the name of the 3x-ui application.
func GetName() string {
return strings.TrimSpace(name)
}
// GetLogLevel returns the current logging level based on environment variables or defaults to Info.
func GetLogLevel() LogLevel {
if IsDebug() {
return Debug
}
logLevel := os.Getenv("XUI_LOG_LEVEL")
if logLevel == "" {
return Info
}
return LogLevel(logLevel)
}
// IsDebug returns true if debug mode is enabled via the XUI_DEBUG environment variable.
func IsDebug() bool {
return os.Getenv("XUI_DEBUG") == "true"
}
// GetBinFolderPath returns the path to the binary folder, defaulting to "bin" if not set via XUI_BIN_FOLDER.
func GetBinFolderPath() string {
binFolderPath := os.Getenv("XUI_BIN_FOLDER")
if binFolderPath == "" {
binFolderPath = "bin"
}
return binFolderPath
}
func getBaseDir() string {
exePath, err := os.Executable()
if err != nil {
return "."
}
exeDir := filepath.Dir(exePath)
exeDirLower := strings.ToLower(filepath.ToSlash(exeDir))
if strings.Contains(exeDirLower, "/appdata/local/temp/") || strings.Contains(exeDirLower, "/go-build") {
wd, err := os.Getwd()
if err != nil {
return "."
}
return wd
}
return exeDir
}
// GetDBFolderPath returns the path to the database folder based on environment variables or platform defaults.
func GetDBFolderPath() string {
dbFolderPath := os.Getenv("XUI_DB_FOLDER")
if dbFolderPath != "" {
return dbFolderPath
}
if runtime.GOOS == "windows" {
return getBaseDir()
}
return "/etc/x-ui"
}
// GetDBPath returns the full path to the database file.
func GetDBPath() string {
return fmt.Sprintf("%s/%s.db", GetDBFolderPath(), GetName())
}
// GetLogFolder returns the path to the log folder based on environment variables or platform defaults.
func GetLogFolder() string {
logFolderPath := os.Getenv("XUI_LOG_FOLDER")
if logFolderPath != "" {
return logFolderPath
}
if runtime.GOOS == "windows" {
return filepath.Join(".", "log")
}
return "/var/log/x-ui"
}
func copyFile(src, dst string) error {
in, err := os.Open(src)
if err != nil {
return err
}
defer in.Close()
out, err := os.Create(dst)
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(out, in)
if err != nil {
return err
}
return out.Sync()
}
func init() {
if runtime.GOOS != "windows" {
return
}
if os.Getenv("XUI_DB_FOLDER") != "" {
return
}
oldDBFolder := "/etc/x-ui"
oldDBPath := fmt.Sprintf("%s/%s.db", oldDBFolder, GetName())
newDBFolder := GetDBFolderPath()
newDBPath := fmt.Sprintf("%s/%s.db", newDBFolder, GetName())
_, err := os.Stat(newDBPath)
if err == nil {
return // new exists
}
_, err = os.Stat(oldDBPath)
if os.IsNotExist(err) {
return // old does not exist
}
_ = copyFile(oldDBPath, newDBPath) // ignore error
}
================================================
FILE: config/name
================================================
x-ui
================================================
FILE: config/version
================================================
2.8.11
================================================
FILE: database/db.go
================================================
// Package database provides database initialization, migration, and management utilities
// for the 3x-ui panel using GORM with SQLite.
package database
import (
"bytes"
"errors"
"io"
"io/fs"
"log"
"os"
"path"
"slices"
"github.com/mhsanaei/3x-ui/v2/config"
"github.com/mhsanaei/3x-ui/v2/database/model"
"github.com/mhsanaei/3x-ui/v2/util/crypto"
"github.com/mhsanaei/3x-ui/v2/xray"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
var db *gorm.DB
const (
defaultUsername = "admin"
defaultPassword = "admin"
)
func initModels() error {
models := []any{
&model.User{},
&model.Inbound{},
&model.OutboundTraffics{},
&model.Setting{},
&model.InboundClientIps{},
&xray.ClientTraffic{},
&model.HistoryOfSeeders{},
}
for _, model := range models {
if err := db.AutoMigrate(model); err != nil {
log.Printf("Error auto migrating model: %v", err)
return err
}
}
return nil
}
// initUser creates a default admin user if the users table is empty.
func initUser() error {
empty, err := isTableEmpty("users")
if err != nil {
log.Printf("Error checking if users table is empty: %v", err)
return err
}
if empty {
hashedPassword, err := crypto.HashPasswordAsBcrypt(defaultPassword)
if err != nil {
log.Printf("Error hashing default password: %v", err)
return err
}
user := &model.User{
Username: defaultUsername,
Password: hashedPassword,
}
return db.Create(user).Error
}
return nil
}
// runSeeders migrates user passwords to bcrypt and records seeder execution to prevent re-running.
func runSeeders(isUsersEmpty bool) error {
empty, err := isTableEmpty("history_of_seeders")
if err != nil {
log.Printf("Error checking if users table is empty: %v", err)
return err
}
if empty && isUsersEmpty {
hashSeeder := &model.HistoryOfSeeders{
SeederName: "UserPasswordHash",
}
return db.Create(hashSeeder).Error
} else {
var seedersHistory []string
db.Model(&model.HistoryOfSeeders{}).Pluck("seeder_name", &seedersHistory)
if !slices.Contains(seedersHistory, "UserPasswordHash") && !isUsersEmpty {
var users []model.User
db.Find(&users)
for _, user := range users {
hashedPassword, err := crypto.HashPasswordAsBcrypt(user.Password)
if err != nil {
log.Printf("Error hashing password for user '%s': %v", user.Username, err)
return err
}
db.Model(&user).Update("password", hashedPassword)
}
hashSeeder := &model.HistoryOfSeeders{
SeederName: "UserPasswordHash",
}
return db.Create(hashSeeder).Error
}
}
return nil
}
// isTableEmpty returns true if the named table contains zero rows.
func isTableEmpty(tableName string) (bool, error) {
var count int64
err := db.Table(tableName).Count(&count).Error
return count == 0, err
}
// InitDB sets up the database connection, migrates models, and runs seeders.
func InitDB(dbPath string) error {
dir := path.Dir(dbPath)
err := os.MkdirAll(dir, fs.ModePerm)
if err != nil {
return err
}
var gormLogger logger.Interface
if config.IsDebug() {
gormLogger = logger.Default
} else {
gormLogger = logger.Discard
}
c := &gorm.Config{
Logger: gormLogger,
}
db, err = gorm.Open(sqlite.Open(dbPath), c)
if err != nil {
return err
}
if err := initModels(); err != nil {
return err
}
isUsersEmpty, err := isTableEmpty("users")
if err != nil {
return err
}
if err := initUser(); err != nil {
return err
}
return runSeeders(isUsersEmpty)
}
// CloseDB closes the database connection if it exists.
func CloseDB() error {
if db != nil {
sqlDB, err := db.DB()
if err != nil {
return err
}
return sqlDB.Close()
}
return nil
}
// GetDB returns the global GORM database instance.
func GetDB() *gorm.DB {
return db
}
// IsNotFound checks if the given error is a GORM record not found error.
func IsNotFound(err error) bool {
return err == gorm.ErrRecordNotFound
}
// IsSQLiteDB checks if the given file is a valid SQLite database by reading its signature.
func IsSQLiteDB(file io.ReaderAt) (bool, error) {
signature := []byte("SQLite format 3\x00")
buf := make([]byte, len(signature))
_, err := file.ReadAt(buf, 0)
if err != nil {
return false, err
}
return bytes.Equal(buf, signature), nil
}
// Checkpoint performs a WAL checkpoint on the SQLite database to ensure data consistency.
func Checkpoint() error {
// Update WAL
err := db.Exec("PRAGMA wal_checkpoint;").Error
if err != nil {
return err
}
return nil
}
// ValidateSQLiteDB opens the provided sqlite DB path with a throw-away connection
// and runs a PRAGMA integrity_check to ensure the file is structurally sound.
// It does not mutate global state or run migrations.
func ValidateSQLiteDB(dbPath string) error {
if _, err := os.Stat(dbPath); err != nil { // file must exist
return err
}
gdb, err := gorm.Open(sqlite.Open(dbPath), &gorm.Config{Logger: logger.Discard})
if err != nil {
return err
}
sqlDB, err := gdb.DB()
if err != nil {
return err
}
defer sqlDB.Close()
var res string
if err := gdb.Raw("PRAGMA integrity_check;").Scan(&res).Error; err != nil {
return err
}
if res != "ok" {
return errors.New("sqlite integrity check failed: " + res)
}
return nil
}
================================================
FILE: database/model/model.go
================================================
// Package model defines the database models and data structures used by the 3x-ui panel.
package model
import (
"fmt"
"github.com/mhsanaei/3x-ui/v2/util/json_util"
"github.com/mhsanaei/3x-ui/v2/xray"
)
// Protocol represents the protocol type for Xray inbounds.
type Protocol string
// Protocol constants for different Xray inbound protocols
const (
VMESS Protocol = "vmess"
VLESS Protocol = "vless"
Tunnel Protocol = "tunnel"
HTTP Protocol = "http"
Trojan Protocol = "trojan"
Shadowsocks Protocol = "shadowsocks"
Mixed Protocol = "mixed"
WireGuard Protocol = "wireguard"
)
// User represents a user account in the 3x-ui panel.
type User struct {
Id int `json:"id" gorm:"primaryKey;autoIncrement"`
Username string `json:"username"`
Password string `json:"password"`
}
// Inbound represents an Xray inbound configuration with traffic statistics and settings.
type Inbound struct {
Id int `json:"id" form:"id" gorm:"primaryKey;autoIncrement"` // Unique identifier
UserId int `json:"-"` // Associated user ID
Up int64 `json:"up" form:"up"` // Upload traffic in bytes
Down int64 `json:"down" form:"down"` // Download traffic in bytes
Total int64 `json:"total" form:"total"` // Total traffic limit in bytes
AllTime int64 `json:"allTime" form:"allTime" gorm:"default:0"` // All-time traffic usage
Remark string `json:"remark" form:"remark"` // Human-readable remark
Enable bool `json:"enable" form:"enable" gorm:"index:idx_enable_traffic_reset,priority:1"` // Whether the inbound is enabled
ExpiryTime int64 `json:"expiryTime" form:"expiryTime"` // Expiration timestamp
TrafficReset string `json:"trafficReset" form:"trafficReset" gorm:"default:never;index:idx_enable_traffic_reset,priority:2"` // Traffic reset schedule
LastTrafficResetTime int64 `json:"lastTrafficResetTime" form:"lastTrafficResetTime" gorm:"default:0"` // Last traffic reset timestamp
ClientStats []xray.ClientTraffic `gorm:"foreignKey:InboundId;references:Id" json:"clientStats" form:"clientStats"` // Client traffic statistics
// Xray configuration fields
Listen string `json:"listen" form:"listen"`
Port int `json:"port" form:"port"`
Protocol Protocol `json:"protocol" form:"protocol"`
Settings string `json:"settings" form:"settings"`
StreamSettings string `json:"streamSettings" form:"streamSettings"`
Tag string `json:"tag" form:"tag" gorm:"unique"`
Sniffing string `json:"sniffing" form:"sniffing"`
}
// OutboundTraffics tracks traffic statistics for Xray outbound connections.
type OutboundTraffics struct {
Id int `json:"id" form:"id" gorm:"primaryKey;autoIncrement"`
Tag string `json:"tag" form:"tag" gorm:"unique"`
Up int64 `json:"up" form:"up" gorm:"default:0"`
Down int64 `json:"down" form:"down" gorm:"default:0"`
Total int64 `json:"total" form:"total" gorm:"default:0"`
}
// InboundClientIps stores IP addresses associated with inbound clients for access control.
type InboundClientIps struct {
Id int `json:"id" gorm:"primaryKey;autoIncrement"`
ClientEmail string `json:"clientEmail" form:"clientEmail" gorm:"unique"`
Ips string `json:"ips" form:"ips"`
}
// HistoryOfSeeders tracks which database seeders have been executed to prevent re-running.
type HistoryOfSeeders struct {
Id int `json:"id" gorm:"primaryKey;autoIncrement"`
SeederName string `json:"seederName"`
}
// GenXrayInboundConfig generates an Xray inbound configuration from the Inbound model.
func (i *Inbound) GenXrayInboundConfig() *xray.InboundConfig {
listen := i.Listen
// Default to 0.0.0.0 (all interfaces) when listen is empty
// This ensures proper dual-stack IPv4/IPv6 binding in systems where bindv6only=0
if listen == "" {
listen = "0.0.0.0"
}
listen = fmt.Sprintf("\"%v\"", listen)
return &xray.InboundConfig{
Listen: json_util.RawMessage(listen),
Port: i.Port,
Protocol: string(i.Protocol),
Settings: json_util.RawMessage(i.Settings),
StreamSettings: json_util.RawMessage(i.StreamSettings),
Tag: i.Tag,
Sniffing: json_util.RawMessage(i.Sniffing),
}
}
// Setting stores key-value configuration settings for the 3x-ui panel.
type Setting struct {
Id int `json:"id" form:"id" gorm:"primaryKey;autoIncrement"`
Key string `json:"key" form:"key"`
Value string `json:"value" form:"value"`
}
// Client represents a client configuration for Xray inbounds with traffic limits and settings.
type Client struct {
ID string `json:"id"` // Unique client identifier
Security string `json:"security"` // Security method (e.g., "auto", "aes-128-gcm")
Password string `json:"password"` // Client password
Flow string `json:"flow"` // Flow control (XTLS)
Email string `json:"email"` // Client email identifier
LimitIP int `json:"limitIp"` // IP limit for this client
TotalGB int64 `json:"totalGB" form:"totalGB"` // Total traffic limit in GB
ExpiryTime int64 `json:"expiryTime" form:"expiryTime"` // Expiration timestamp
Enable bool `json:"enable" form:"enable"` // Whether the client is enabled
TgID int64 `json:"tgId" form:"tgId"` // Telegram user ID for notifications
SubID string `json:"subId" form:"subId"` // Subscription identifier
Comment string `json:"comment" form:"comment"` // Client comment
Reset int `json:"reset" form:"reset"` // Reset period in days
CreatedAt int64 `json:"created_at,omitempty"` // Creation timestamp
UpdatedAt int64 `json:"updated_at,omitempty"` // Last update timestamp
}
================================================
FILE: docker-compose.yml
================================================
services:
3xui:
build:
context: .
dockerfile: ./Dockerfile
container_name: 3xui_app
# hostname: yourhostname <- optional
volumes:
- $PWD/db/:/etc/x-ui/
- $PWD/cert/:/root/cert/
environment:
XRAY_VMESS_AEAD_FORCED: "false"
XUI_ENABLE_FAIL2BAN: "true"
tty: true
network_mode: host
restart: unless-stopped
================================================
FILE: go.mod
================================================
module github.com/mhsanaei/3x-ui/v2
go 1.26.0
require (
github.com/gin-contrib/gzip v1.2.5
github.com/gin-contrib/sessions v1.0.4
github.com/gin-gonic/gin v1.12.0
github.com/go-ldap/ldap/v3 v3.4.12
github.com/goccy/go-json v0.10.5
github.com/google/uuid v1.6.0
github.com/gorilla/websocket v1.5.3
github.com/joho/godotenv v1.5.1
github.com/mymmrac/telego v1.7.0
github.com/nicksnyder/go-i18n/v2 v2.6.1
github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
github.com/pelletier/go-toml/v2 v2.2.4
github.com/robfig/cron/v3 v3.0.1
github.com/shirou/gopsutil/v4 v4.26.2
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
github.com/valyala/fasthttp v1.69.0
github.com/xlzd/gotp v0.1.0
github.com/xtls/xray-core v1.260206.0
go.uber.org/atomic v1.11.0
golang.org/x/crypto v0.48.0
golang.org/x/sys v0.41.0
golang.org/x/text v0.34.0
google.golang.org/grpc v1.79.1
gorm.io/driver/sqlite v1.6.0
gorm.io/gorm v1.31.1
)
require (
github.com/Azure/go-ntlmssp v0.1.0 // indirect
github.com/andybalholm/brotli v1.2.0 // indirect
github.com/apernet/quic-go v0.57.2-0.20260111184307-eec823306178 // indirect
github.com/bytedance/gopkg v0.1.3 // indirect
github.com/bytedance/sonic v1.15.0 // indirect
github.com/bytedance/sonic/loader v0.5.0 // indirect
github.com/cloudflare/circl v1.6.3 // indirect
github.com/cloudwego/base64x v0.1.6 // indirect
github.com/ebitengine/purego v0.10.0 // indirect
github.com/gabriel-vasile/mimetype v1.4.13 // indirect
github.com/gin-contrib/sse v1.1.0 // indirect
github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667 // indirect
github.com/go-ole/go-ole v1.3.0 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
github.com/go-playground/validator/v10 v10.30.1 // indirect
github.com/goccy/go-yaml v1.19.2 // indirect
github.com/google/btree v1.1.3 // indirect
github.com/gorilla/context v1.1.2 // indirect
github.com/gorilla/securecookie v1.1.2 // indirect
github.com/gorilla/sessions v1.4.0 // indirect
github.com/grbit/go-json v0.11.0 // indirect
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/juju/ratelimit v1.0.2 // indirect
github.com/klauspost/compress v1.18.4 // indirect
github.com/klauspost/cpuid/v2 v2.3.0 // indirect
github.com/leodido/go-urn v1.4.0 // indirect
github.com/lufia/plan9stats v0.0.0-20260216142805-b3301c5f2a88 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-sqlite3 v1.14.34 // indirect
github.com/miekg/dns v1.1.72 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/pires/go-proxyproto v0.11.0 // indirect
github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
github.com/quic-go/qpack v0.6.0 // indirect
github.com/quic-go/quic-go v0.59.0 // indirect
github.com/refraction-networking/utls v1.8.2 // indirect
github.com/rogpeppe/go-internal v1.14.1 // indirect
github.com/sagernet/sing v0.8.1 // indirect
github.com/sagernet/sing-shadowsocks v0.2.9 // indirect
github.com/tklauser/go-sysconf v0.3.16 // indirect
github.com/tklauser/numcpus v0.11.0 // indirect
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
github.com/ugorji/go/codec v1.3.1 // indirect
github.com/valyala/bytebufferpool v1.0.0 // indirect
github.com/valyala/fastjson v1.6.10 // indirect
github.com/vishvananda/netlink v1.3.1 // indirect
github.com/vishvananda/netns v0.0.5 // indirect
github.com/xtls/reality v0.0.0-20251116175510-cd53f7d50237 // indirect
github.com/yusufpapurcu/wmi v1.2.4 // indirect
go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba // indirect
golang.org/x/arch v0.24.0 // indirect
golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa // indirect
golang.org/x/mod v0.33.0 // indirect
golang.org/x/net v0.51.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/time v0.14.0 // indirect
golang.org/x/tools v0.42.0 // indirect
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 // indirect
google.golang.org/protobuf v1.36.11 // indirect
gvisor.dev/gvisor v0.0.0-20260122175437-89a5d21be8f0 // indirect
lukechampine.com/blake3 v1.4.1 // indirect
)
================================================
FILE: go.sum
================================================
github.com/Azure/go-ntlmssp v0.1.0 h1:DjFo6YtWzNqNvQdrwEyr/e4nhU3vRiwenz5QX7sFz+A=
github.com/Azure/go-ntlmssp v0.1.0/go.mod h1:NYqdhxd/8aAct/s4qSYZEerdPuH1liG2/X9DiVTbhpk=
github.com/BurntSushi/toml v1.6.0 h1:dRaEfpa2VI55EwlIW72hMRHdWouJeRF7TPYhI+AUQjk=
github.com/BurntSushi/toml v1.6.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e h1:4dAU9FXIyQktpoUAgOJK3OTFc/xug0PCXYCqU0FgDKI=
github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
github.com/andybalholm/brotli v1.2.0 h1:ukwgCxwYrmACq68yiUqwIWnGY0cTPox/M94sVwToPjQ=
github.com/andybalholm/brotli v1.2.0/go.mod h1:rzTDkvFWvIrjDXZHkuS16NPggd91W3kUSvPlQ1pLaKY=
github.com/apernet/quic-go v0.57.2-0.20260111184307-eec823306178 h1:bSq8n+gX4oO/qnM3MKf4kroW75n+phO9Qp6nigJKZ1E=
github.com/apernet/quic-go v0.57.2-0.20260111184307-eec823306178/go.mod h1:N1WIjPphkqs4efXWuyDNQ6OjjIK04vM3h+bEgwV+eVU=
github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
github.com/bytedance/sonic v1.15.0 h1:/PXeWFaR5ElNcVE84U0dOHjiMHQOwNIx3K4ymzh/uSE=
github.com/bytedance/sonic v1.15.0/go.mod h1:tFkWrPz0/CUCLEF4ri4UkHekCIcdnkqXw9VduqpJh0k=
github.com/bytedance/sonic/loader v0.5.0 h1:gXH3KVnatgY7loH5/TkeVyXPfESoqSBSBEiDd5VjlgE=
github.com/bytedance/sonic/loader v0.5.0/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cloudflare/circl v1.6.3 h1:9GPOhQGF9MCYUeXyMYlqTR6a5gTrgR/fBLXvUgtVcg8=
github.com/cloudflare/circl v1.6.3/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/ebitengine/purego v0.10.0 h1:QIw4xfpWT6GWTzaW5XEKy3HXoqrJGx1ijYHzTF0/ISU=
github.com/ebitengine/purego v0.10.0/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
github.com/gabriel-vasile/mimetype v1.4.13 h1:46nXokslUBsAJE/wMsp5gtO500a4F3Nkz9Ufpk2AcUM=
github.com/gabriel-vasile/mimetype v1.4.13/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344 h1:Arcl6UOIS/kgO2nW3A65HN+7CMjSDP/gofXL4CZt1V4=
github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
github.com/gin-contrib/gzip v1.2.5 h1:fIZs0S+l17pIu1P5XRJOo/YNqfIuPCrZZ3TWB7pjckI=
github.com/gin-contrib/gzip v1.2.5/go.mod h1:aomRgR7ftdZV3uWY0gW/m8rChfxau0n8YVvwlOHONzw=
github.com/gin-contrib/sessions v1.0.4 h1:ha6CNdpYiTOK/hTp05miJLbpTSNfOnFg5Jm2kbcqy8U=
github.com/gin-contrib/sessions v1.0.4/go.mod h1:ccmkrb2z6iU2osiAHZG3x3J4suJK+OU27oqzlWOqQgs=
github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w=
github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
github.com/gin-gonic/gin v1.12.0/go.mod h1:VxccKfsSllpKshkBWgVgRniFFAzFb9csfngsqANjnLc=
github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667 h1:BP4M0CvQ4S3TGls2FvczZtj5Re/2ZzkV9VwqPHH/3Bo=
github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
github.com/go-ldap/ldap/v3 v3.4.12 h1:1b81mv7MagXZ7+1r7cLTWmyuTqVqdwbtJSjC0DAp9s4=
github.com/go-ldap/ldap/v3 v3.4.12/go.mod h1:+SPAGcTtOfmGsCb3h1RFiq4xpp4N636G75OEace8lNo=
github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
github.com/go-playground/validator/v10 v10.30.1 h1:f3zDSN/zOma+w6+1Wswgd9fLkdwy06ntQJp0BBvFG0w=
github.com/go-playground/validator/v10 v10.30.1/go.mod h1:oSuBIQzuJxL//3MelwSLD5hc2Tu889bF0Idm9Dg26cM=
github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
github.com/goccy/go-yaml v1.19.2 h1:PmFC1S6h8ljIz6gMRBopkjP1TVT7xuwrButHID66PoM=
github.com/goccy/go-yaml v1.19.2/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
github.com/golang/mock v1.7.0-rc.1 h1:YojYx61/OLFsiv6Rw1Z96LpldJIy31o+UHmwAUMJ6/U=
github.com/golang/mock v1.7.0-rc.1/go.mod h1:s42URUywIqd+OcERslBJvOjepvNymP31m3q8d/GkuRs=
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
github.com/google/btree v1.1.3 h1:CVpQJjYgC4VbzxeGVHfvZrv1ctoYCAI8vbl07Fcxlyg=
github.com/google/btree v1.1.3/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/gorilla/context v1.1.2 h1:WRkNAv2uoa03QNIc1A6u4O7DAGMUVoopZhkiXWA2V1o=
github.com/gorilla/context v1.1.2/go.mod h1:KDPwT9i/MeWHiLl90fuTgrt4/wPcv75vFAZLaOOcbxM=
github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kXD8ePA=
github.com/gorilla/securecookie v1.1.2/go.mod h1:NfCASbcHqRSY+3a8tlWJwsQap2VX5pwzwo4h3eOamfo=
github.com/gorilla/sessions v1.4.0 h1:kpIYOp/oi6MG/p5PgxApU8srsSw9tuFbt46Lt7auzqQ=
github.com/gorilla/sessions v1.4.0/go.mod h1:FLWm50oby91+hl7p/wRxDth9bWSuk0qVL2emc7lT5ik=
github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/grbit/go-json v0.11.0 h1:bAbyMdYrYl/OjYsSqLH99N2DyQ291mHy726Mx+sYrnc=
github.com/grbit/go-json v0.11.0/go.mod h1:IYpHsdybQ386+6g3VE6AXQ3uTGa5mquBme5/ZWmtzek=
github.com/hashicorp/go-uuid v1.0.3 h1:2gKiV6YVmrJ1i2CKKa9obLvRieoRGviZFL26PcT/Co8=
github.com/hashicorp/go-uuid v1.0.3/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
github.com/jcmturner/aescts/v2 v2.0.0 h1:9YKLH6ey7H4eDBXW8khjYslgyqG2xZikXP0EQFKrle8=
github.com/jcmturner/aescts/v2 v2.0.0/go.mod h1:AiaICIRyfYg35RUkr8yESTqvSy7csK90qZ5xfvvsoNs=
github.com/jcmturner/dnsutils/v2 v2.0.0 h1:lltnkeZGL0wILNvrNiVCR6Ro5PGU/SeBvVO/8c/iPbo=
github.com/jcmturner/dnsutils/v2 v2.0.0/go.mod h1:b0TnjGOvI/n42bZa+hmXL+kFJZsFT7G4t3HTlQ184QM=
github.com/jcmturner/gofork v1.7.6 h1:QH0l3hzAU1tfT3rZCnW5zXl+orbkNMMRGJfdJjHVETg=
github.com/jcmturner/gofork v1.7.6/go.mod h1:1622LH6i/EZqLloHfE7IeZ0uEJwMSUyQ/nDd82IeqRo=
github.com/jcmturner/goidentity/v6 v6.0.1 h1:VKnZd2oEIMorCTsFBnJWbExfNN7yZr3EhJAxwOkZg6o=
github.com/jcmturner/goidentity/v6 v6.0.1/go.mod h1:X1YW3bgtvwAXju7V3LCIMpY0Gbxyjn/mY9zx4tFonSg=
github.com/jcmturner/gokrb5/v8 v8.4.4 h1:x1Sv4HaTpepFkXbt2IkL29DXRf8sOfZXo8eRKh687T8=
github.com/jcmturner/gokrb5/v8 v8.4.4/go.mod h1:1btQEpgT6k+unzCwX1KdWMEwPPkkgBtP+F6aCACiMrs=
github.com/jcmturner/rpc/v2 v2.0.3 h1:7FXXj8Ti1IaVFpSAziCZWNzbNuZmnvw/i6CqLNdWfZY=
github.com/jcmturner/rpc/v2 v2.0.3/go.mod h1:VUJYCIDm3PVOEHw8sgt091/20OJjskO/YJki3ELg/Hc=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
github.com/juju/ratelimit v1.0.2 h1:sRxmtRiajbvrcLQT7S+JbqU0ntsb9W2yhSdNN8tWfaI=
github.com/juju/ratelimit v1.0.2/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
github.com/klauspost/compress v1.18.4 h1:RPhnKRAQ4Fh8zU2FY/6ZFDwTVTxgJ/EMydqSTzE9a2c=
github.com/klauspost/compress v1.18.4/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=
github.com/klauspost/cpuid/v2 v2.3.0/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
github.com/lufia/plan9stats v0.0.0-20260216142805-b3301c5f2a88 h1:PTw+yKnXcOFCR6+8hHTyWBeQ/P4Nb7dd4/0ohEcWQuM=
github.com/lufia/plan9stats v0.0.0-20260216142805-b3301c5f2a88/go.mod h1:autxFIvghDt3jPTLoqZ9OZ7s9qTGNAWmYCjVFWPX/zg=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mattn/go-sqlite3 v1.14.34 h1:3NtcvcUnFBPsuRcno8pUtupspG/GM+9nZ88zgJcp6Zk=
github.com/mattn/go-sqlite3 v1.14.34/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
github.com/miekg/dns v1.1.72 h1:vhmr+TF2A3tuoGNkLDFK9zi36F2LS+hKTRW0Uf8kbzI=
github.com/miekg/dns v1.1.72/go.mod h1:+EuEPhdHOsfk6Wk5TT2CzssZdqkmFhf8r+aVyDEToIs=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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github.com/xlzd/gotp v0.1.0/go.mod h1:ndLJ3JKzi3xLmUProq4LLxCuECL93dG9WASNLpHz8qg=
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github.com/xtls/reality v0.0.0-20251116175510-cd53f7d50237/go.mod h1:vbHCV/3VWUvy1oKvTxxWJRPEWSeR1sYgQHIh6u/JiZQ=
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golang.org/x/arch v0.24.0 h1:qlJ3M9upxvFfwRM51tTg3Yl+8CP9vCC1E7vlFpgv99Y=
golang.org/x/arch v0.24.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa h1:Zt3DZoOFFYkKhDT3v7Lm9FDMEV06GpzjG2jrqW+QTE0=
golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa/go.mod h1:K79w1Vqn7PoiZn+TkNpx3BUWUQksGO3JcVX6qIjytmA=
golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
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golang.org/x/net v0.51.0/go.mod h1:aamm+2QF5ogm02fjy5Bb7CQ0WMt1/WVM7FtyaTLlA9Y=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
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golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
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golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
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golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb h1:whnFRlWMcXI9d+ZbWg+4sHnLp52d5yiIPUxMBSt4X9A=
golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb/go.mod h1:rpwXGsirqLqN2L0JDJQlwOboGHmptD5ZD6T2VmcqhTw=
gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171 h1:ggcbiqK8WWh6l1dnltU4BgWGIGo+EVYxCaAPih/zQXQ=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260226221140-a57be14db171/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
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================================================
FILE: install.sh
================================================
#!/bin/bash
red='\033[0;31m'
green='\033[0;32m'
blue='\033[0;34m'
yellow='\033[0;33m'
plain='\033[0m'
cur_dir=$(pwd)
xui_folder="${XUI_MAIN_FOLDER:=/usr/local/x-ui}"
xui_service="${XUI_SERVICE:=/etc/systemd/system}"
# check root
[[ $EUID -ne 0 ]] && echo -e "${red}Fatal error: ${plain} Please run this script with root privilege \n " && exit 1
# Check OS and set release variable
if [[ -f /etc/os-release ]]; then
source /etc/os-release
release=$ID
elif [[ -f /usr/lib/os-release ]]; then
source /usr/lib/os-release
release=$ID
else
echo "Failed to check the system OS, please contact the author!" >&2
exit 1
fi
echo "The OS release is: $release"
arch() {
case "$(uname -m)" in
x86_64 | x64 | amd64) echo 'amd64' ;;
i*86 | x86) echo '386' ;;
armv8* | armv8 | arm64 | aarch64) echo 'arm64' ;;
armv7* | armv7 | arm) echo 'armv7' ;;
armv6* | armv6) echo 'armv6' ;;
armv5* | armv5) echo 'armv5' ;;
s390x) echo 's390x' ;;
*) echo -e "${green}Unsupported CPU architecture! ${plain}" && rm -f install.sh && exit 1 ;;
esac
}
echo "Arch: $(arch)"
# Simple helpers
is_ipv4() {
[[ "$1" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && return 0 || return 1
}
is_ipv6() {
[[ "$1" =~ : ]] && return 0 || return 1
}
is_ip() {
is_ipv4 "$1" || is_ipv6 "$1"
}
is_domain() {
[[ "$1" =~ ^([A-Za-z0-9](-*[A-Za-z0-9])*\.)+(xn--[a-z0-9]{2,}|[A-Za-z]{2,})$ ]] && return 0 || return 1
}
# Port helpers
is_port_in_use() {
local port="$1"
if command -v ss >/dev/null 2>&1; then
ss -ltn 2>/dev/null | awk -v p=":${port}$" '$4 ~ p {exit 0} END {exit 1}'
return
fi
if command -v netstat >/dev/null 2>&1; then
netstat -lnt 2>/dev/null | awk -v p=":${port} " '$4 ~ p {exit 0} END {exit 1}'
return
fi
if command -v lsof >/dev/null 2>&1; then
lsof -nP -iTCP:${port} -sTCP:LISTEN >/dev/null 2>&1 && return 0
fi
return 1
}
install_base() {
case "${release}" in
ubuntu | debian | armbian)
apt-get update && apt-get install -y -q cron curl tar tzdata socat ca-certificates
;;
fedora | amzn | virtuozzo | rhel | almalinux | rocky | ol)
dnf -y update && dnf install -y -q curl tar tzdata socat ca-certificates
;;
centos)
if [[ "${VERSION_ID}" =~ ^7 ]]; then
yum -y update && yum install -y curl tar tzdata socat ca-certificates
else
dnf -y update && dnf install -y -q curl tar tzdata socat ca-certificates
fi
;;
arch | manjaro | parch)
pacman -Syu && pacman -Syu --noconfirm curl tar tzdata socat ca-certificates
;;
opensuse-tumbleweed | opensuse-leap)
zypper refresh && zypper -q install -y curl tar timezone socat ca-certificates
;;
alpine)
apk update && apk add curl tar tzdata socat ca-certificates
;;
*)
apt-get update && apt-get install -y -q curl tar tzdata socat ca-certificates
;;
esac
}
gen_random_string() {
local length="$1"
local random_string=$(LC_ALL=C tr -dc 'a-zA-Z0-9' /dev/null 2>&1
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
else
echo -e "${green}acme.sh installed successfully${plain}"
fi
return 0
}
setup_ssl_certificate() {
local domain="$1"
local server_ip="$2"
local existing_port="$3"
local existing_webBasePath="$4"
echo -e "${green}Setting up SSL certificate...${plain}"
# Check if acme.sh is installed
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
install_acme
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to install acme.sh, skipping SSL setup${plain}"
return 1
fi
fi
# Create certificate directory
local certPath="/root/cert/${domain}"
mkdir -p "$certPath"
# Issue certificate
echo -e "${green}Issuing SSL certificate for ${domain}...${plain}"
echo -e "${yellow}Note: Port 80 must be open and accessible from the internet${plain}"
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force >/dev/null 2>&1
~/.acme.sh/acme.sh --issue -d ${domain} --listen-v6 --standalone --httpport 80 --force
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to issue certificate for ${domain}${plain}"
echo -e "${yellow}Please ensure port 80 is open and try again later with: x-ui${plain}"
rm -rf ~/.acme.sh/${domain} 2>/dev/null
rm -rf "$certPath" 2>/dev/null
return 1
fi
# Install certificate
~/.acme.sh/acme.sh --installcert -d ${domain} \
--key-file /root/cert/${domain}/privkey.pem \
--fullchain-file /root/cert/${domain}/fullchain.pem \
--reloadcmd "systemctl restart x-ui" >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to install certificate${plain}"
return 1
fi
# Enable auto-renew
~/.acme.sh/acme.sh --upgrade --auto-upgrade >/dev/null 2>&1
# Secure permissions: private key readable only by owner
chmod 600 $certPath/privkey.pem 2>/dev/null
chmod 644 $certPath/fullchain.pem 2>/dev/null
# Set certificate for panel
local webCertFile="/root/cert/${domain}/fullchain.pem"
local webKeyFile="/root/cert/${domain}/privkey.pem"
if [[ -f "$webCertFile" && -f "$webKeyFile" ]]; then
${xui_folder}/x-ui cert -webCert "$webCertFile" -webCertKey "$webKeyFile" >/dev/null 2>&1
echo -e "${green}SSL certificate installed and configured successfully!${plain}"
return 0
else
echo -e "${yellow}Certificate files not found${plain}"
return 1
fi
}
# Issue Let's Encrypt IP certificate with shortlived profile (~6 days validity)
# Requires acme.sh and port 80 open for HTTP-01 challenge
setup_ip_certificate() {
local ipv4="$1"
local ipv6="$2" # optional
echo -e "${green}Setting up Let's Encrypt IP certificate (shortlived profile)...${plain}"
echo -e "${yellow}Note: IP certificates are valid for ~6 days and will auto-renew.${plain}"
echo -e "${yellow}Default listener is port 80. If you choose another port, ensure external port 80 forwards to it.${plain}"
# Check for acme.sh
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
install_acme
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
fi
fi
# Validate IP address
if [[ -z "$ipv4" ]]; then
echo -e "${red}IPv4 address is required${plain}"
return 1
fi
if ! is_ipv4 "$ipv4"; then
echo -e "${red}Invalid IPv4 address: $ipv4${plain}"
return 1
fi
# Create certificate directory
local certDir="/root/cert/ip"
mkdir -p "$certDir"
# Build domain arguments
local domain_args="-d ${ipv4}"
if [[ -n "$ipv6" ]] && is_ipv6 "$ipv6"; then
domain_args="${domain_args} -d ${ipv6}"
echo -e "${green}Including IPv6 address: ${ipv6}${plain}"
fi
# Set reload command for auto-renewal (add || true so it doesn't fail during first install)
local reloadCmd="systemctl restart x-ui 2>/dev/null || rc-service x-ui restart 2>/dev/null || true"
# Choose port for HTTP-01 listener (default 80, prompt override)
local WebPort=""
read -rp "Port to use for ACME HTTP-01 listener (default 80): " WebPort
WebPort="${WebPort:-80}"
if ! [[ "${WebPort}" =~ ^[0-9]+$ ]] || ((WebPort < 1 || WebPort > 65535)); then
echo -e "${red}Invalid port provided. Falling back to 80.${plain}"
WebPort=80
fi
echo -e "${green}Using port ${WebPort} for standalone validation.${plain}"
if [[ "${WebPort}" -ne 80 ]]; then
echo -e "${yellow}Reminder: Let's Encrypt still connects on port 80; forward external port 80 to ${WebPort}.${plain}"
fi
# Ensure chosen port is available
while true; do
if is_port_in_use "${WebPort}"; then
echo -e "${yellow}Port ${WebPort} is in use.${plain}"
local alt_port=""
read -rp "Enter another port for acme.sh standalone listener (leave empty to abort): " alt_port
alt_port="${alt_port// /}"
if [[ -z "${alt_port}" ]]; then
echo -e "${red}Port ${WebPort} is busy; cannot proceed.${plain}"
return 1
fi
if ! [[ "${alt_port}" =~ ^[0-9]+$ ]] || ((alt_port < 1 || alt_port > 65535)); then
echo -e "${red}Invalid port provided.${plain}"
return 1
fi
WebPort="${alt_port}"
continue
else
echo -e "${green}Port ${WebPort} is free and ready for standalone validation.${plain}"
break
fi
done
# Issue certificate with shortlived profile
echo -e "${green}Issuing IP certificate for ${ipv4}...${plain}"
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force >/dev/null 2>&1
~/.acme.sh/acme.sh --issue \
${domain_args} \
--standalone \
--server letsencrypt \
--certificate-profile shortlived \
--days 6 \
--httpport ${WebPort} \
--force
if [ $? -ne 0 ]; then
echo -e "${red}Failed to issue IP certificate${plain}"
echo -e "${yellow}Please ensure port ${WebPort} is reachable (or forwarded from external port 80)${plain}"
# Cleanup acme.sh data for both IPv4 and IPv6 if specified
rm -rf ~/.acme.sh/${ipv4} 2>/dev/null
[[ -n "$ipv6" ]] && rm -rf ~/.acme.sh/${ipv6} 2>/dev/null
rm -rf ${certDir} 2>/dev/null
return 1
fi
echo -e "${green}Certificate issued successfully, installing...${plain}"
# Install certificate
# Note: acme.sh may report "Reload error" and exit non-zero if reloadcmd fails,
# but the cert files are still installed. We check for files instead of exit code.
~/.acme.sh/acme.sh --installcert -d ${ipv4} \
--key-file "${certDir}/privkey.pem" \
--fullchain-file "${certDir}/fullchain.pem" \
--reloadcmd "${reloadCmd}" 2>&1 || true
# Verify certificate files exist (don't rely on exit code - reloadcmd failure causes non-zero)
if [[ ! -f "${certDir}/fullchain.pem" || ! -f "${certDir}/privkey.pem" ]]; then
echo -e "${red}Certificate files not found after installation${plain}"
# Cleanup acme.sh data for both IPv4 and IPv6 if specified
rm -rf ~/.acme.sh/${ipv4} 2>/dev/null
[[ -n "$ipv6" ]] && rm -rf ~/.acme.sh/${ipv6} 2>/dev/null
rm -rf ${certDir} 2>/dev/null
return 1
fi
echo -e "${green}Certificate files installed successfully${plain}"
# Enable auto-upgrade for acme.sh (ensures cron job runs)
~/.acme.sh/acme.sh --upgrade --auto-upgrade >/dev/null 2>&1
# Secure permissions: private key readable only by owner
chmod 600 ${certDir}/privkey.pem 2>/dev/null
chmod 644 ${certDir}/fullchain.pem 2>/dev/null
# Configure panel to use the certificate
echo -e "${green}Setting certificate paths for the panel...${plain}"
${xui_folder}/x-ui cert -webCert "${certDir}/fullchain.pem" -webCertKey "${certDir}/privkey.pem"
if [ $? -ne 0 ]; then
echo -e "${yellow}Warning: Could not set certificate paths automatically${plain}"
echo -e "${yellow}Certificate files are at:${plain}"
echo -e " Cert: ${certDir}/fullchain.pem"
echo -e " Key: ${certDir}/privkey.pem"
else
echo -e "${green}Certificate paths configured successfully${plain}"
fi
echo -e "${green}IP certificate installed and configured successfully!${plain}"
echo -e "${green}Certificate valid for ~6 days, auto-renews via acme.sh cron job.${plain}"
echo -e "${yellow}acme.sh will automatically renew and reload x-ui before expiry.${plain}"
return 0
}
# Comprehensive manual SSL certificate issuance via acme.sh
ssl_cert_issue() {
local existing_webBasePath=$(${xui_folder}/x-ui setting -show true | grep 'webBasePath:' | awk -F': ' '{print $2}' | tr -d '[:space:]' | sed 's#^/##')
local existing_port=$(${xui_folder}/x-ui setting -show true | grep 'port:' | awk -F': ' '{print $2}' | tr -d '[:space:]')
# check for acme.sh first
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
echo "acme.sh could not be found. Installing now..."
cd ~ || return 1
curl -s https://get.acme.sh | sh
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
else
echo -e "${green}acme.sh installed successfully${plain}"
fi
fi
# get the domain here, and we need to verify it
local domain=""
while true; do
read -rp "Please enter your domain name: " domain
domain="${domain// /}" # Trim whitespace
if [[ -z "$domain" ]]; then
echo -e "${red}Domain name cannot be empty. Please try again.${plain}"
continue
fi
if ! is_domain "$domain"; then
echo -e "${red}Invalid domain format: ${domain}. Please enter a valid domain name.${plain}"
continue
fi
break
done
echo -e "${green}Your domain is: ${domain}, checking it...${plain}"
# check if there already exists a certificate
local currentCert=$(~/.acme.sh/acme.sh --list | tail -1 | awk '{print $1}')
if [ "${currentCert}" == "${domain}" ]; then
local certInfo=$(~/.acme.sh/acme.sh --list)
echo -e "${red}System already has certificates for this domain. Cannot issue again.${plain}"
echo -e "${yellow}Current certificate details:${plain}"
echo "$certInfo"
return 1
else
echo -e "${green}Your domain is ready for issuing certificates now...${plain}"
fi
# create a directory for the certificate
certPath="/root/cert/${domain}"
if [ ! -d "$certPath" ]; then
mkdir -p "$certPath"
else
rm -rf "$certPath"
mkdir -p "$certPath"
fi
# get the port number for the standalone server
local WebPort=80
read -rp "Please choose which port to use (default is 80): " WebPort
if [[ ${WebPort} -gt 65535 || ${WebPort} -lt 1 ]]; then
echo -e "${yellow}Your input ${WebPort} is invalid, will use default port 80.${plain}"
WebPort=80
fi
echo -e "${green}Will use port: ${WebPort} to issue certificates. Please make sure this port is open.${plain}"
# Stop panel temporarily
echo -e "${yellow}Stopping panel temporarily...${plain}"
systemctl stop x-ui 2>/dev/null || rc-service x-ui stop 2>/dev/null
# issue the certificate
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force
~/.acme.sh/acme.sh --issue -d ${domain} --listen-v6 --standalone --httpport ${WebPort} --force
if [ $? -ne 0 ]; then
echo -e "${red}Issuing certificate failed, please check logs.${plain}"
rm -rf ~/.acme.sh/${domain}
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
return 1
else
echo -e "${green}Issuing certificate succeeded, installing certificates...${plain}"
fi
# Setup reload command
reloadCmd="systemctl restart x-ui || rc-service x-ui restart"
echo -e "${green}Default --reloadcmd for ACME is: ${yellow}systemctl restart x-ui || rc-service x-ui restart${plain}"
echo -e "${green}This command will run on every certificate issue and renew.${plain}"
read -rp "Would you like to modify --reloadcmd for ACME? (y/n): " setReloadcmd
if [[ "$setReloadcmd" == "y" || "$setReloadcmd" == "Y" ]]; then
echo -e "\n${green}\t1.${plain} Preset: systemctl reload nginx ; systemctl restart x-ui"
echo -e "${green}\t2.${plain} Input your own command"
echo -e "${green}\t0.${plain} Keep default reloadcmd"
read -rp "Choose an option: " choice
case "$choice" in
1)
echo -e "${green}Reloadcmd is: systemctl reload nginx ; systemctl restart x-ui${plain}"
reloadCmd="systemctl reload nginx ; systemctl restart x-ui"
;;
2)
echo -e "${yellow}It's recommended to put x-ui restart at the end${plain}"
read -rp "Please enter your custom reloadcmd: " reloadCmd
echo -e "${green}Reloadcmd is: ${reloadCmd}${plain}"
;;
*)
echo -e "${green}Keeping default reloadcmd${plain}"
;;
esac
fi
# install the certificate
~/.acme.sh/acme.sh --installcert -d ${domain} \
--key-file /root/cert/${domain}/privkey.pem \
--fullchain-file /root/cert/${domain}/fullchain.pem --reloadcmd "${reloadCmd}"
if [ $? -ne 0 ]; then
echo -e "${red}Installing certificate failed, exiting.${plain}"
rm -rf ~/.acme.sh/${domain}
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
return 1
else
echo -e "${green}Installing certificate succeeded, enabling auto renew...${plain}"
fi
# enable auto-renew
~/.acme.sh/acme.sh --upgrade --auto-upgrade
if [ $? -ne 0 ]; then
echo -e "${yellow}Auto renew setup had issues, certificate details:${plain}"
ls -lah /root/cert/${domain}/
# Secure permissions: private key readable only by owner
chmod 600 $certPath/privkey.pem 2>/dev/null
chmod 644 $certPath/fullchain.pem 2>/dev/null
else
echo -e "${green}Auto renew succeeded, certificate details:${plain}"
ls -lah /root/cert/${domain}/
# Secure permissions: private key readable only by owner
chmod 600 $certPath/privkey.pem 2>/dev/null
chmod 644 $certPath/fullchain.pem 2>/dev/null
fi
# start panel
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
# Prompt user to set panel paths after successful certificate installation
read -rp "Would you like to set this certificate for the panel? (y/n): " setPanel
if [[ "$setPanel" == "y" || "$setPanel" == "Y" ]]; then
local webCertFile="/root/cert/${domain}/fullchain.pem"
local webKeyFile="/root/cert/${domain}/privkey.pem"
if [[ -f "$webCertFile" && -f "$webKeyFile" ]]; then
${xui_folder}/x-ui cert -webCert "$webCertFile" -webCertKey "$webKeyFile"
echo -e "${green}Certificate paths set for the panel${plain}"
echo -e "${green}Certificate File: $webCertFile${plain}"
echo -e "${green}Private Key File: $webKeyFile${plain}"
echo ""
echo -e "${green}Access URL: https://${domain}:${existing_port}/${existing_webBasePath}${plain}"
echo -e "${yellow}Panel will restart to apply SSL certificate...${plain}"
systemctl restart x-ui 2>/dev/null || rc-service x-ui restart 2>/dev/null
else
echo -e "${red}Error: Certificate or private key file not found for domain: $domain.${plain}"
fi
else
echo -e "${yellow}Skipping panel path setting.${plain}"
fi
return 0
}
# Reusable interactive SSL setup (domain or IP)
# Sets global `SSL_HOST` to the chosen domain/IP for Access URL usage
prompt_and_setup_ssl() {
local panel_port="$1"
local web_base_path="$2" # expected without leading slash
local server_ip="$3"
local ssl_choice=""
echo -e "${yellow}Choose SSL certificate setup method:${plain}"
echo -e "${green}1.${plain} Let's Encrypt for Domain (90-day validity, auto-renews)"
echo -e "${green}2.${plain} Let's Encrypt for IP Address (6-day validity, auto-renews)"
echo -e "${green}3.${plain} Custom SSL Certificate (Path to existing files)"
echo -e "${blue}Note:${plain} Options 1 & 2 require port 80 open. Option 3 requires manual paths."
read -rp "Choose an option (default 2 for IP): " ssl_choice
ssl_choice="${ssl_choice// /}" # Trim whitespace
# Default to 2 (IP cert) if input is empty or invalid (not 1 or 3)
if [[ "$ssl_choice" != "1" && "$ssl_choice" != "3" ]]; then
ssl_choice="2"
fi
case "$ssl_choice" in
1)
# User chose Let's Encrypt domain option
echo -e "${green}Using Let's Encrypt for domain certificate...${plain}"
ssl_cert_issue
# Extract the domain that was used from the certificate
local cert_domain=$(~/.acme.sh/acme.sh --list 2>/dev/null | tail -1 | awk '{print $1}')
if [[ -n "${cert_domain}" ]]; then
SSL_HOST="${cert_domain}"
echo -e "${green}✓ SSL certificate configured successfully with domain: ${cert_domain}${plain}"
else
echo -e "${yellow}SSL setup may have completed, but domain extraction failed${plain}"
SSL_HOST="${server_ip}"
fi
;;
2)
# User chose Let's Encrypt IP certificate option
echo -e "${green}Using Let's Encrypt for IP certificate (shortlived profile)...${plain}"
# Ask for optional IPv6
local ipv6_addr=""
read -rp "Do you have an IPv6 address to include? (leave empty to skip): " ipv6_addr
ipv6_addr="${ipv6_addr// /}" # Trim whitespace
# Stop panel if running (port 80 needed)
if [[ $release == "alpine" ]]; then
rc-service x-ui stop >/dev/null 2>&1
else
systemctl stop x-ui >/dev/null 2>&1
fi
setup_ip_certificate "${server_ip}" "${ipv6_addr}"
if [ $? -eq 0 ]; then
SSL_HOST="${server_ip}"
echo -e "${green}✓ Let's Encrypt IP certificate configured successfully${plain}"
else
echo -e "${red}✗ IP certificate setup failed. Please check port 80 is open.${plain}"
SSL_HOST="${server_ip}"
fi
;;
3)
# User chose Custom Paths (User Provided) option
echo -e "${green}Using custom existing certificate...${plain}"
local custom_cert=""
local custom_key=""
local custom_domain=""
# 3.1 Request Domain to compose Panel URL later
read -rp "Please enter domain name certificate issued for: " custom_domain
custom_domain="${custom_domain// /}" # Убираем пробелы
# 3.2 Loop for Certificate Path
while true; do
read -rp "Input certificate path (keywords: .crt / fullchain): " custom_cert
# Strip quotes if present
custom_cert=$(echo "$custom_cert" | tr -d '"' | tr -d "'")
if [[ -f "$custom_cert" && -r "$custom_cert" && -s "$custom_cert" ]]; then
break
elif [[ ! -f "$custom_cert" ]]; then
echo -e "${red}Error: File does not exist! Try again.${plain}"
elif [[ ! -r "$custom_cert" ]]; then
echo -e "${red}Error: File exists but is not readable (check permissions)!${plain}"
else
echo -e "${red}Error: File is empty!${plain}"
fi
done
# 3.3 Loop for Private Key Path
while true; do
read -rp "Input private key path (keywords: .key / privatekey): " custom_key
# Strip quotes if present
custom_key=$(echo "$custom_key" | tr -d '"' | tr -d "'")
if [[ -f "$custom_key" && -r "$custom_key" && -s "$custom_key" ]]; then
break
elif [[ ! -f "$custom_key" ]]; then
echo -e "${red}Error: File does not exist! Try again.${plain}"
elif [[ ! -r "$custom_key" ]]; then
echo -e "${red}Error: File exists but is not readable (check permissions)!${plain}"
else
echo -e "${red}Error: File is empty!${plain}"
fi
done
# 3.4 Apply Settings via x-ui binary
${xui_folder}/x-ui cert -webCert "$custom_cert" -webCertKey "$custom_key" >/dev/null 2>&1
# Set SSL_HOST for composing Panel URL
if [[ -n "$custom_domain" ]]; then
SSL_HOST="$custom_domain"
else
SSL_HOST="${server_ip}"
fi
echo -e "${green}✓ Custom certificate paths applied.${plain}"
echo -e "${yellow}Note: You are responsible for renewing these files externally.${plain}"
systemctl restart x-ui >/dev/null 2>&1 || rc-service x-ui restart >/dev/null 2>&1
;;
*)
echo -e "${red}Invalid option. Skipping SSL setup.${plain}"
SSL_HOST="${server_ip}"
;;
esac
}
config_after_install() {
local existing_hasDefaultCredential=$(${xui_folder}/x-ui setting -show true | grep -Eo 'hasDefaultCredential: .+' | awk '{print $2}')
local existing_webBasePath=$(${xui_folder}/x-ui setting -show true | grep -Eo 'webBasePath: .+' | awk '{print $2}' | sed 's#^/##')
local existing_port=$(${xui_folder}/x-ui setting -show true | grep -Eo 'port: .+' | awk '{print $2}')
# Properly detect empty cert by checking if cert: line exists and has content after it
local existing_cert=$(${xui_folder}/x-ui setting -getCert true | grep 'cert:' | awk -F': ' '{print $2}' | tr -d '[:space:]')
local URL_lists=(
"https://api4.ipify.org"
"https://ipv4.icanhazip.com"
"https://v4.api.ipinfo.io/ip"
"https://ipv4.myexternalip.com/raw"
"https://4.ident.me"
"https://check-host.net/ip"
)
local server_ip=""
for ip_address in "${URL_lists[@]}"; do
local response=$(curl -s -w "\n%{http_code}" --max-time 3 "${ip_address}" 2>/dev/null)
local http_code=$(echo "$response" | tail -n1)
local ip_result=$(echo "$response" | head -n-1 | tr -d '[:space:]')
if [[ "${http_code}" == "200" && -n "${ip_result}" ]]; then
server_ip="${ip_result}"
break
fi
done
if [[ ${#existing_webBasePath} -lt 4 ]]; then
if [[ "$existing_hasDefaultCredential" == "true" ]]; then
local config_webBasePath=$(gen_random_string 18)
local config_username=$(gen_random_string 10)
local config_password=$(gen_random_string 10)
read -rp "Would you like to customize the Panel Port settings? (If not, a random port will be applied) [y/n]: " config_confirm
if [[ "${config_confirm}" == "y" || "${config_confirm}" == "Y" ]]; then
read -rp "Please set up the panel port: " config_port
echo -e "${yellow}Your Panel Port is: ${config_port}${plain}"
else
local config_port=$(shuf -i 1024-62000 -n 1)
echo -e "${yellow}Generated random port: ${config_port}${plain}"
fi
${xui_folder}/x-ui setting -username "${config_username}" -password "${config_password}" -port "${config_port}" -webBasePath "${config_webBasePath}"
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} SSL Certificate Setup (MANDATORY) ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${yellow}For security, SSL certificate is required for all panels.${plain}"
echo -e "${yellow}Let's Encrypt now supports both domains and IP addresses!${plain}"
echo ""
prompt_and_setup_ssl "${config_port}" "${config_webBasePath}" "${server_ip}"
# Display final credentials and access information
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} Panel Installation Complete! ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green}Username: ${config_username}${plain}"
echo -e "${green}Password: ${config_password}${plain}"
echo -e "${green}Port: ${config_port}${plain}"
echo -e "${green}WebBasePath: ${config_webBasePath}${plain}"
echo -e "${green}Access URL: https://${SSL_HOST}:${config_port}/${config_webBasePath}${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${yellow}⚠ IMPORTANT: Save these credentials securely!${plain}"
echo -e "${yellow}⚠ SSL Certificate: Enabled and configured${plain}"
else
local config_webBasePath=$(gen_random_string 18)
echo -e "${yellow}WebBasePath is missing or too short. Generating a new one...${plain}"
${xui_folder}/x-ui setting -webBasePath "${config_webBasePath}"
echo -e "${green}New WebBasePath: ${config_webBasePath}${plain}"
# If the panel is already installed but no certificate is configured, prompt for SSL now
if [[ -z "${existing_cert}" ]]; then
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} SSL Certificate Setup (RECOMMENDED) ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${yellow}Let's Encrypt now supports both domains and IP addresses!${plain}"
echo ""
prompt_and_setup_ssl "${existing_port}" "${config_webBasePath}" "${server_ip}"
echo -e "${green}Access URL: https://${SSL_HOST}:${existing_port}/${config_webBasePath}${plain}"
else
# If a cert already exists, just show the access URL
echo -e "${green}Access URL: https://${server_ip}:${existing_port}/${config_webBasePath}${plain}"
fi
fi
else
if [[ "$existing_hasDefaultCredential" == "true" ]]; then
local config_username=$(gen_random_string 10)
local config_password=$(gen_random_string 10)
echo -e "${yellow}Default credentials detected. Security update required...${plain}"
${xui_folder}/x-ui setting -username "${config_username}" -password "${config_password}"
echo -e "Generated new random login credentials:"
echo -e "###############################################"
echo -e "${green}Username: ${config_username}${plain}"
echo -e "${green}Password: ${config_password}${plain}"
echo -e "###############################################"
else
echo -e "${green}Username, Password, and WebBasePath are properly set.${plain}"
fi
# Existing install: if no cert configured, prompt user for SSL setup
# Properly detect empty cert by checking if cert: line exists and has content after it
existing_cert=$(${xui_folder}/x-ui setting -getCert true | grep 'cert:' | awk -F': ' '{print $2}' | tr -d '[:space:]')
if [[ -z "$existing_cert" ]]; then
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} SSL Certificate Setup (RECOMMENDED) ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${yellow}Let's Encrypt now supports both domains and IP addresses!${plain}"
echo ""
prompt_and_setup_ssl "${existing_port}" "${existing_webBasePath}" "${server_ip}"
echo -e "${green}Access URL: https://${SSL_HOST}:${existing_port}/${existing_webBasePath}${plain}"
else
echo -e "${green}SSL certificate already configured. No action needed.${plain}"
fi
fi
${xui_folder}/x-ui migrate
}
install_x-ui() {
cd ${xui_folder%/x-ui}/
# Download resources
if [ $# == 0 ]; then
tag_version=$(curl -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
if [[ ! -n "$tag_version" ]]; then
echo -e "${yellow}Trying to fetch version with IPv4...${plain}"
tag_version=$(curl -4 -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
if [[ ! -n "$tag_version" ]]; then
echo -e "${red}Failed to fetch x-ui version, it may be due to GitHub API restrictions, please try it later${plain}"
exit 1
fi
fi
echo -e "Got x-ui latest version: ${tag_version}, beginning the installation..."
curl -4fLRo ${xui_folder}-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz
if [[ $? -ne 0 ]]; then
echo -e "${red}Downloading x-ui failed, please be sure that your server can access GitHub ${plain}"
exit 1
fi
else
tag_version=$1
tag_version_numeric=${tag_version#v}
min_version="2.3.5"
if [[ "$(printf '%s\n' "$min_version" "$tag_version_numeric" | sort -V | head -n1)" != "$min_version" ]]; then
echo -e "${red}Please use a newer version (at least v2.3.5). Exiting installation.${plain}"
exit 1
fi
url="https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz"
echo -e "Beginning to install x-ui $1"
curl -4fLRo ${xui_folder}-linux-$(arch).tar.gz ${url}
if [[ $? -ne 0 ]]; then
echo -e "${red}Download x-ui $1 failed, please check if the version exists ${plain}"
exit 1
fi
fi
curl -4fLRo /usr/bin/x-ui-temp https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh
if [[ $? -ne 0 ]]; then
echo -e "${red}Failed to download x-ui.sh${plain}"
exit 1
fi
# Stop x-ui service and remove old resources
if [[ -e ${xui_folder}/ ]]; then
if [[ $release == "alpine" ]]; then
rc-service x-ui stop
else
systemctl stop x-ui
fi
rm ${xui_folder}/ -rf
fi
# Extract resources and set permissions
tar zxvf x-ui-linux-$(arch).tar.gz
rm x-ui-linux-$(arch).tar.gz -f
cd x-ui
chmod +x x-ui
chmod +x x-ui.sh
# Check the system's architecture and rename the file accordingly
if [[ $(arch) == "armv5" || $(arch) == "armv6" || $(arch) == "armv7" ]]; then
mv bin/xray-linux-$(arch) bin/xray-linux-arm
chmod +x bin/xray-linux-arm
fi
chmod +x x-ui bin/xray-linux-$(arch)
# Update x-ui cli and se set permission
mv -f /usr/bin/x-ui-temp /usr/bin/x-ui
chmod +x /usr/bin/x-ui
mkdir -p /var/log/x-ui
config_after_install
# Etckeeper compatibility
if [ -d "/etc/.git" ]; then
if [ -f "/etc/.gitignore" ]; then
if ! grep -q "x-ui/x-ui.db" "/etc/.gitignore"; then
echo "" >> "/etc/.gitignore"
echo "x-ui/x-ui.db" >> "/etc/.gitignore"
echo -e "${green}Added x-ui.db to /etc/.gitignore for etckeeper${plain}"
fi
else
echo "x-ui/x-ui.db" > "/etc/.gitignore"
echo -e "${green}Created /etc/.gitignore and added x-ui.db for etckeeper${plain}"
fi
fi
if [[ $release == "alpine" ]]; then
curl -4fLRo /etc/init.d/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.rc
if [[ $? -ne 0 ]]; then
echo -e "${red}Failed to download x-ui.rc${plain}"
exit 1
fi
chmod +x /etc/init.d/x-ui
rc-update add x-ui
rc-service x-ui start
else
# Install systemd service file
service_installed=false
if [ -f "x-ui.service" ]; then
echo -e "${green}Found x-ui.service in extracted files, installing...${plain}"
cp -f x-ui.service ${xui_service}/ >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
if [ "$service_installed" = false ]; then
case "${release}" in
ubuntu | debian | armbian)
if [ -f "x-ui.service.debian" ]; then
echo -e "${green}Found x-ui.service.debian in extracted files, installing...${plain}"
cp -f x-ui.service.debian ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
arch | manjaro | parch)
if [ -f "x-ui.service.arch" ]; then
echo -e "${green}Found x-ui.service.arch in extracted files, installing...${plain}"
cp -f x-ui.service.arch ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
*)
if [ -f "x-ui.service.rhel" ]; then
echo -e "${green}Found x-ui.service.rhel in extracted files, installing...${plain}"
cp -f x-ui.service.rhel ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
esac
fi
# If service file not found in tar.gz, download from GitHub
if [ "$service_installed" = false ]; then
echo -e "${yellow}Service files not found in tar.gz, downloading from GitHub...${plain}"
case "${release}" in
ubuntu | debian | armbian)
curl -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.debian >/dev/null 2>&1
;;
arch | manjaro | parch)
curl -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.arch >/dev/null 2>&1
;;
*)
curl -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.rhel >/dev/null 2>&1
;;
esac
if [[ $? -ne 0 ]]; then
echo -e "${red}Failed to install x-ui.service from GitHub${plain}"
exit 1
fi
service_installed=true
fi
if [ "$service_installed" = true ]; then
echo -e "${green}Setting up systemd unit...${plain}"
chown root:root ${xui_service}/x-ui.service >/dev/null 2>&1
chmod 644 ${xui_service}/x-ui.service >/dev/null 2>&1
systemctl daemon-reload
systemctl enable x-ui
systemctl start x-ui
else
echo -e "${red}Failed to install x-ui.service file${plain}"
exit 1
fi
fi
echo -e "${green}x-ui ${tag_version}${plain} installation finished, it is running now..."
echo -e ""
echo -e "┌───────────────────────────────────────────────────────┐
│ ${blue}x-ui control menu usages (subcommands):${plain} │
│ │
│ ${blue}x-ui${plain} - Admin Management Script │
│ ${blue}x-ui start${plain} - Start │
│ ${blue}x-ui stop${plain} - Stop │
│ ${blue}x-ui restart${plain} - Restart │
│ ${blue}x-ui status${plain} - Current Status │
│ ${blue}x-ui settings${plain} - Current Settings │
│ ${blue}x-ui enable${plain} - Enable Autostart on OS Startup │
│ ${blue}x-ui disable${plain} - Disable Autostart on OS Startup │
│ ${blue}x-ui log${plain} - Check logs │
│ ${blue}x-ui banlog${plain} - Check Fail2ban ban logs │
│ ${blue}x-ui update${plain} - Update │
│ ${blue}x-ui legacy${plain} - Legacy version │
│ ${blue}x-ui install${plain} - Install │
│ ${blue}x-ui uninstall${plain} - Uninstall │
└───────────────────────────────────────────────────────┘"
}
echo -e "${green}Running...${plain}"
install_base
install_x-ui $1
================================================
FILE: logger/logger.go
================================================
// Package logger provides logging functionality for the 3x-ui panel with
// dual-backend logging (console/syslog and file) and buffered log storage for web UI.
package logger
import (
"fmt"
"os"
"path/filepath"
"runtime"
"time"
"github.com/mhsanaei/3x-ui/v2/config"
"github.com/op/go-logging"
)
const (
maxLogBufferSize = 10240 // Maximum log entries kept in memory
logFileName = "3xui.log" // Log file name
timeFormat = "2006/01/02 15:04:05" // Log timestamp format
)
var (
logger *logging.Logger
logFile *os.File
// logBuffer maintains recent log entries in memory for web UI retrieval
logBuffer []struct {
time string
level logging.Level
log string
}
)
// InitLogger initializes dual logging backends: console/syslog and file.
// Console logging uses the specified level, file logging always uses DEBUG level.
func InitLogger(level logging.Level) {
newLogger := logging.MustGetLogger("x-ui")
backends := make([]logging.Backend, 0, 2)
// Console/syslog backend with configurable level
if consoleBackend := initDefaultBackend(); consoleBackend != nil {
leveledBackend := logging.AddModuleLevel(consoleBackend)
leveledBackend.SetLevel(level, "x-ui")
backends = append(backends, leveledBackend)
}
// File backend with DEBUG level for comprehensive logging
if fileBackend := initFileBackend(); fileBackend != nil {
leveledBackend := logging.AddModuleLevel(fileBackend)
leveledBackend.SetLevel(logging.DEBUG, "x-ui")
backends = append(backends, leveledBackend)
}
multiBackend := logging.MultiLogger(backends...)
newLogger.SetBackend(multiBackend)
logger = newLogger
}
// initDefaultBackend creates the console/syslog logging backend.
// Windows: Uses stderr directly (no syslog support)
// Unix-like: Attempts syslog, falls back to stderr
func initDefaultBackend() logging.Backend {
var backend logging.Backend
includeTime := false
if runtime.GOOS == "windows" {
// Windows: Use stderr directly (no syslog support)
backend = logging.NewLogBackend(os.Stderr, "", 0)
includeTime = true
} else {
// Unix-like: Try syslog, fallback to stderr
if syslogBackend, err := logging.NewSyslogBackend(""); err != nil {
fmt.Fprintf(os.Stderr, "syslog backend disabled: %v\n", err)
backend = logging.NewLogBackend(os.Stderr, "", 0)
includeTime = os.Getppid() > 0
} else {
backend = syslogBackend
}
}
return logging.NewBackendFormatter(backend, newFormatter(includeTime))
}
// initFileBackend creates the file logging backend.
// Creates log directory and truncates log file on startup for fresh logs.
func initFileBackend() logging.Backend {
logDir := config.GetLogFolder()
if err := os.MkdirAll(logDir, 0o750); err != nil {
fmt.Fprintf(os.Stderr, "failed to create log folder %s: %v\n", logDir, err)
return nil
}
logPath := filepath.Join(logDir, logFileName)
file, err := os.OpenFile(logPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o660)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to open log file %s: %v\n", logPath, err)
return nil
}
// Close previous log file if exists
if logFile != nil {
_ = logFile.Close()
}
logFile = file
backend := logging.NewLogBackend(file, "", 0)
return logging.NewBackendFormatter(backend, newFormatter(true))
}
// newFormatter creates a log formatter with optional timestamp.
func newFormatter(withTime bool) logging.Formatter {
format := `%{level} - %{message}`
if withTime {
format = `%{time:` + timeFormat + `} %{level} - %{message}`
}
return logging.MustStringFormatter(format)
}
// CloseLogger closes the log file and cleans up resources.
// Should be called during application shutdown.
func CloseLogger() {
if logFile != nil {
_ = logFile.Close()
logFile = nil
}
}
// Debug logs a debug message and adds it to the log buffer.
func Debug(args ...any) {
logger.Debug(args...)
addToBuffer("DEBUG", fmt.Sprint(args...))
}
// Debugf logs a formatted debug message and adds it to the log buffer.
func Debugf(format string, args ...any) {
logger.Debugf(format, args...)
addToBuffer("DEBUG", fmt.Sprintf(format, args...))
}
// Info logs an info message and adds it to the log buffer.
func Info(args ...any) {
logger.Info(args...)
addToBuffer("INFO", fmt.Sprint(args...))
}
// Infof logs a formatted info message and adds it to the log buffer.
func Infof(format string, args ...any) {
logger.Infof(format, args...)
addToBuffer("INFO", fmt.Sprintf(format, args...))
}
// Notice logs a notice message and adds it to the log buffer.
func Notice(args ...any) {
logger.Notice(args...)
addToBuffer("NOTICE", fmt.Sprint(args...))
}
// Noticef logs a formatted notice message and adds it to the log buffer.
func Noticef(format string, args ...any) {
logger.Noticef(format, args...)
addToBuffer("NOTICE", fmt.Sprintf(format, args...))
}
// Warning logs a warning message and adds it to the log buffer.
func Warning(args ...any) {
logger.Warning(args...)
addToBuffer("WARNING", fmt.Sprint(args...))
}
// Warningf logs a formatted warning message and adds it to the log buffer.
func Warningf(format string, args ...any) {
logger.Warningf(format, args...)
addToBuffer("WARNING", fmt.Sprintf(format, args...))
}
// Error logs an error message and adds it to the log buffer.
func Error(args ...any) {
logger.Error(args...)
addToBuffer("ERROR", fmt.Sprint(args...))
}
// Errorf logs a formatted error message and adds it to the log buffer.
func Errorf(format string, args ...any) {
logger.Errorf(format, args...)
addToBuffer("ERROR", fmt.Sprintf(format, args...))
}
// addToBuffer adds a log entry to the in-memory ring buffer for web UI retrieval.
func addToBuffer(level string, newLog string) {
t := time.Now()
if len(logBuffer) >= maxLogBufferSize {
logBuffer = logBuffer[1:]
}
logLevel, _ := logging.LogLevel(level)
logBuffer = append(logBuffer, struct {
time string
level logging.Level
log string
}{
time: t.Format(timeFormat),
level: logLevel,
log: newLog,
})
}
// GetLogs retrieves up to c log entries from the buffer that are at or below the specified level.
func GetLogs(c int, level string) []string {
var output []string
logLevel, _ := logging.LogLevel(level)
for i := len(logBuffer) - 1; i >= 0 && len(output) <= c; i-- {
if logBuffer[i].level <= logLevel {
output = append(output, fmt.Sprintf("%s %s - %s", logBuffer[i].time, logBuffer[i].level, logBuffer[i].log))
}
}
return output
}
================================================
FILE: main.go
================================================
// Package main is the entry point for the 3x-ui web panel application.
// It initializes the database, web server, and handles command-line operations for managing the panel.
package main
import (
"flag"
"fmt"
"log"
"os"
"os/signal"
"syscall"
_ "unsafe"
"github.com/mhsanaei/3x-ui/v2/config"
"github.com/mhsanaei/3x-ui/v2/database"
"github.com/mhsanaei/3x-ui/v2/logger"
"github.com/mhsanaei/3x-ui/v2/sub"
"github.com/mhsanaei/3x-ui/v2/util/crypto"
"github.com/mhsanaei/3x-ui/v2/util/sys"
"github.com/mhsanaei/3x-ui/v2/web"
"github.com/mhsanaei/3x-ui/v2/web/global"
"github.com/mhsanaei/3x-ui/v2/web/service"
"github.com/joho/godotenv"
"github.com/op/go-logging"
)
// runWebServer initializes and starts the web server for the 3x-ui panel.
func runWebServer() {
log.Printf("Starting %v %v", config.GetName(), config.GetVersion())
switch config.GetLogLevel() {
case config.Debug:
logger.InitLogger(logging.DEBUG)
case config.Info:
logger.InitLogger(logging.INFO)
case config.Notice:
logger.InitLogger(logging.NOTICE)
case config.Warning:
logger.InitLogger(logging.WARNING)
case config.Error:
logger.InitLogger(logging.ERROR)
default:
log.Fatalf("Unknown log level: %v", config.GetLogLevel())
}
godotenv.Load()
err := database.InitDB(config.GetDBPath())
if err != nil {
log.Fatalf("Error initializing database: %v", err)
}
var server *web.Server
server = web.NewServer()
global.SetWebServer(server)
err = server.Start()
if err != nil {
log.Fatalf("Error starting web server: %v", err)
return
}
var subServer *sub.Server
subServer = sub.NewServer()
global.SetSubServer(subServer)
err = subServer.Start()
if err != nil {
log.Fatalf("Error starting sub server: %v", err)
return
}
sigCh := make(chan os.Signal, 1)
// Trap shutdown signals
signal.Notify(sigCh, syscall.SIGHUP, syscall.SIGTERM, sys.SIGUSR1)
for {
sig := <-sigCh
switch sig {
case syscall.SIGHUP:
logger.Info("Received SIGHUP signal. Restarting servers...")
// --- FIX FOR TELEGRAM BOT CONFLICT (409): Stop bot before restart ---
service.StopBot()
// --
err := server.Stop()
if err != nil {
logger.Debug("Error stopping web server:", err)
}
err = subServer.Stop()
if err != nil {
logger.Debug("Error stopping sub server:", err)
}
server = web.NewServer()
global.SetWebServer(server)
err = server.Start()
if err != nil {
log.Fatalf("Error restarting web server: %v", err)
return
}
log.Println("Web server restarted successfully.")
subServer = sub.NewServer()
global.SetSubServer(subServer)
err = subServer.Start()
if err != nil {
log.Fatalf("Error restarting sub server: %v", err)
return
}
log.Println("Sub server restarted successfully.")
case sys.SIGUSR1:
logger.Info("Received USR1 signal, restarting xray-core...")
err := server.RestartXray()
if err != nil {
logger.Error("Failed to restart xray-core:", err)
}
default:
// --- FIX FOR TELEGRAM BOT CONFLICT (409) on full shutdown ---
service.StopBot()
// ------------------------------------------------------------
server.Stop()
subServer.Stop()
log.Println("Shutting down servers.")
return
}
}
}
// resetSetting resets all panel settings to their default values.
func resetSetting() {
err := database.InitDB(config.GetDBPath())
if err != nil {
fmt.Println("Failed to initialize database:", err)
return
}
settingService := service.SettingService{}
err = settingService.ResetSettings()
if err != nil {
fmt.Println("Failed to reset settings:", err)
} else {
fmt.Println("Settings successfully reset.")
}
}
// showSetting displays the current panel settings if show is true.
func showSetting(show bool) {
if show {
settingService := service.SettingService{}
port, err := settingService.GetPort()
if err != nil {
fmt.Println("get current port failed, error info:", err)
}
webBasePath, err := settingService.GetBasePath()
if err != nil {
fmt.Println("get webBasePath failed, error info:", err)
}
certFile, err := settingService.GetCertFile()
if err != nil {
fmt.Println("get cert file failed, error info:", err)
}
keyFile, err := settingService.GetKeyFile()
if err != nil {
fmt.Println("get key file failed, error info:", err)
}
userService := service.UserService{}
userModel, err := userService.GetFirstUser()
if err != nil {
fmt.Println("get current user info failed, error info:", err)
}
if userModel.Username == "" || userModel.Password == "" {
fmt.Println("current username or password is empty")
}
fmt.Println("current panel settings as follows:")
if certFile == "" || keyFile == "" {
fmt.Println("Warning: Panel is not secure with SSL")
} else {
fmt.Println("Panel is secure with SSL")
}
hasDefaultCredential := func() bool {
return userModel.Username == "admin" && crypto.CheckPasswordHash(userModel.Password, "admin")
}()
fmt.Println("hasDefaultCredential:", hasDefaultCredential)
fmt.Println("port:", port)
fmt.Println("webBasePath:", webBasePath)
}
}
// updateTgbotEnableSts enables or disables the Telegram bot notifications based on the status parameter.
func updateTgbotEnableSts(status bool) {
settingService := service.SettingService{}
currentTgSts, err := settingService.GetTgbotEnabled()
if err != nil {
fmt.Println(err)
return
}
logger.Infof("current enabletgbot status[%v],need update to status[%v]", currentTgSts, status)
if currentTgSts != status {
err := settingService.SetTgbotEnabled(status)
if err != nil {
fmt.Println(err)
return
} else {
logger.Infof("SetTgbotEnabled[%v] success", status)
}
}
}
// updateTgbotSetting updates Telegram bot settings including token, chat ID, and runtime schedule.
func updateTgbotSetting(tgBotToken string, tgBotChatid string, tgBotRuntime string) {
err := database.InitDB(config.GetDBPath())
if err != nil {
fmt.Println("Error initializing database:", err)
return
}
settingService := service.SettingService{}
if tgBotToken != "" {
err := settingService.SetTgBotToken(tgBotToken)
if err != nil {
fmt.Printf("Error setting Telegram bot token: %v\n", err)
return
}
logger.Info("Successfully updated Telegram bot token.")
}
if tgBotRuntime != "" {
err := settingService.SetTgbotRuntime(tgBotRuntime)
if err != nil {
fmt.Printf("Error setting Telegram bot runtime: %v\n", err)
return
}
logger.Infof("Successfully updated Telegram bot runtime to [%s].", tgBotRuntime)
}
if tgBotChatid != "" {
err := settingService.SetTgBotChatId(tgBotChatid)
if err != nil {
fmt.Printf("Error setting Telegram bot chat ID: %v\n", err)
return
}
logger.Info("Successfully updated Telegram bot chat ID.")
}
}
// updateSetting updates various panel settings including port, credentials, base path, listen IP, and two-factor authentication.
func updateSetting(port int, username string, password string, webBasePath string, listenIP string, resetTwoFactor bool) {
err := database.InitDB(config.GetDBPath())
if err != nil {
fmt.Println("Database initialization failed:", err)
return
}
settingService := service.SettingService{}
userService := service.UserService{}
if port > 0 {
err := settingService.SetPort(port)
if err != nil {
fmt.Println("Failed to set port:", err)
} else {
fmt.Printf("Port set successfully: %v\n", port)
}
}
if username != "" || password != "" {
err := userService.UpdateFirstUser(username, password)
if err != nil {
fmt.Println("Failed to update username and password:", err)
} else {
fmt.Println("Username and password updated successfully")
}
}
if webBasePath != "" {
err := settingService.SetBasePath(webBasePath)
if err != nil {
fmt.Println("Failed to set base URI path:", err)
} else {
fmt.Println("Base URI path set successfully")
}
}
if resetTwoFactor {
err := settingService.SetTwoFactorEnable(false)
if err != nil {
fmt.Println("Failed to reset two-factor authentication:", err)
} else {
settingService.SetTwoFactorToken("")
fmt.Println("Two-factor authentication reset successfully")
}
}
if listenIP != "" {
err := settingService.SetListen(listenIP)
if err != nil {
fmt.Println("Failed to set listen IP:", err)
} else {
fmt.Printf("listen %v set successfully", listenIP)
}
}
}
// updateCert updates the SSL certificate files for the panel.
func updateCert(publicKey string, privateKey string) {
err := database.InitDB(config.GetDBPath())
if err != nil {
fmt.Println(err)
return
}
if (privateKey != "" && publicKey != "") || (privateKey == "" && publicKey == "") {
settingService := service.SettingService{}
err = settingService.SetCertFile(publicKey)
if err != nil {
fmt.Println("set certificate public key failed:", err)
} else {
fmt.Println("set certificate public key success")
}
err = settingService.SetKeyFile(privateKey)
if err != nil {
fmt.Println("set certificate private key failed:", err)
} else {
fmt.Println("set certificate private key success")
}
err = settingService.SetSubCertFile(publicKey)
if err != nil {
fmt.Println("set certificate for subscription public key failed:", err)
} else {
fmt.Println("set certificate for subscription public key success")
}
err = settingService.SetSubKeyFile(privateKey)
if err != nil {
fmt.Println("set certificate for subscription private key failed:", err)
} else {
fmt.Println("set certificate for subscription private key success")
}
} else {
fmt.Println("both public and private key should be entered.")
}
}
// GetCertificate displays the current SSL certificate settings if getCert is true.
func GetCertificate(getCert bool) {
if getCert {
settingService := service.SettingService{}
certFile, err := settingService.GetCertFile()
if err != nil {
fmt.Println("get cert file failed, error info:", err)
}
keyFile, err := settingService.GetKeyFile()
if err != nil {
fmt.Println("get key file failed, error info:", err)
}
fmt.Println("cert:", certFile)
fmt.Println("key:", keyFile)
}
}
// GetListenIP displays the current panel listen IP address if getListen is true.
func GetListenIP(getListen bool) {
if getListen {
settingService := service.SettingService{}
ListenIP, err := settingService.GetListen()
if err != nil {
log.Printf("Failed to retrieve listen IP: %v", err)
return
}
fmt.Println("listenIP:", ListenIP)
}
}
// migrateDb performs database migration operations for the 3x-ui panel.
func migrateDb() {
inboundService := service.InboundService{}
err := database.InitDB(config.GetDBPath())
if err != nil {
log.Fatal(err)
}
fmt.Println("Start migrating database...")
inboundService.MigrateDB()
fmt.Println("Migration done!")
}
// main is the entry point of the 3x-ui application.
// It parses command-line arguments to run the web server, migrate database, or update settings.
func main() {
if len(os.Args) < 2 {
runWebServer()
return
}
var showVersion bool
flag.BoolVar(&showVersion, "v", false, "show version")
runCmd := flag.NewFlagSet("run", flag.ExitOnError)
settingCmd := flag.NewFlagSet("setting", flag.ExitOnError)
var port int
var username string
var password string
var webBasePath string
var listenIP string
var getListen bool
var webCertFile string
var webKeyFile string
var tgbottoken string
var tgbotchatid string
var enabletgbot bool
var tgbotRuntime string
var reset bool
var show bool
var getCert bool
var resetTwoFactor bool
settingCmd.BoolVar(&reset, "reset", false, "Reset all settings")
settingCmd.BoolVar(&show, "show", false, "Display current settings")
settingCmd.IntVar(&port, "port", 0, "Set panel port number")
settingCmd.StringVar(&username, "username", "", "Set login username")
settingCmd.StringVar(&password, "password", "", "Set login password")
settingCmd.StringVar(&webBasePath, "webBasePath", "", "Set base path for Panel")
settingCmd.StringVar(&listenIP, "listenIP", "", "set panel listenIP IP")
settingCmd.BoolVar(&resetTwoFactor, "resetTwoFactor", false, "Reset two-factor authentication settings")
settingCmd.BoolVar(&getListen, "getListen", false, "Display current panel listenIP IP")
settingCmd.BoolVar(&getCert, "getCert", false, "Display current certificate settings")
settingCmd.StringVar(&webCertFile, "webCert", "", "Set path to public key file for panel")
settingCmd.StringVar(&webKeyFile, "webCertKey", "", "Set path to private key file for panel")
settingCmd.StringVar(&tgbottoken, "tgbottoken", "", "Set token for Telegram bot")
settingCmd.StringVar(&tgbotRuntime, "tgbotRuntime", "", "Set cron time for Telegram bot notifications")
settingCmd.StringVar(&tgbotchatid, "tgbotchatid", "", "Set chat ID for Telegram bot notifications")
settingCmd.BoolVar(&enabletgbot, "enabletgbot", false, "Enable notifications via Telegram bot")
oldUsage := flag.Usage
flag.Usage = func() {
oldUsage()
fmt.Println()
fmt.Println("Commands:")
fmt.Println(" run run web panel")
fmt.Println(" migrate migrate form other/old x-ui")
fmt.Println(" setting set settings")
}
flag.Parse()
if showVersion {
fmt.Println(config.GetVersion())
return
}
switch os.Args[1] {
case "run":
err := runCmd.Parse(os.Args[2:])
if err != nil {
fmt.Println(err)
return
}
runWebServer()
case "migrate":
migrateDb()
case "setting":
err := settingCmd.Parse(os.Args[2:])
if err != nil {
fmt.Println(err)
return
}
if reset {
resetSetting()
} else {
updateSetting(port, username, password, webBasePath, listenIP, resetTwoFactor)
}
if show {
showSetting(show)
}
if getListen {
GetListenIP(getListen)
}
if getCert {
GetCertificate(getCert)
}
if (tgbottoken != "") || (tgbotchatid != "") || (tgbotRuntime != "") {
updateTgbotSetting(tgbottoken, tgbotchatid, tgbotRuntime)
}
if enabletgbot {
updateTgbotEnableSts(enabletgbot)
}
case "cert":
err := settingCmd.Parse(os.Args[2:])
if err != nil {
fmt.Println(err)
return
}
if reset {
updateCert("", "")
} else {
updateCert(webCertFile, webKeyFile)
}
default:
fmt.Println("Invalid subcommands")
fmt.Println()
runCmd.Usage()
fmt.Println()
settingCmd.Usage()
}
}
================================================
FILE: sub/default.json
================================================
{
"remarks": "",
"dns": {
"tag": "dns_out",
"queryStrategy": "UseIP",
"servers": [
{
"address": "8.8.8.8",
"skipFallback": false
}
]
},
"inbounds": [
{
"port": 10808,
"protocol": "mixed",
"settings": {
"auth": "noauth",
"udp": true,
"userLevel": 8
},
"sniffing": {
"destOverride": [
"http",
"tls",
"quic",
"fakedns"
],
"enabled": true
},
"tag": "mixed"
},
{
"port": 10809,
"protocol": "http",
"settings": {
"userLevel": 8
},
"tag": "http"
}
],
"log": {
"loglevel": "warning"
},
"outbounds": [
{
"tag": "direct",
"protocol": "freedom",
"settings": {
"domainStrategy": "AsIs",
"redirect": "",
"noises": []
}
},
{
"tag": "block",
"protocol": "blackhole",
"settings": {
"response": {
"type": "http"
}
}
}
],
"policy": {
"levels": {
"8": {
"connIdle": 300,
"downlinkOnly": 1,
"handshake": 4,
"uplinkOnly": 1
}
},
"system": {
"statsOutboundUplink": true,
"statsOutboundDownlink": true
}
},
"routing": {
"domainStrategy": "AsIs",
"rules": [
{
"type": "field",
"network": "tcp,udp",
"outboundTag": "proxy"
}
]
},
"stats": {}
}
================================================
FILE: sub/sub.go
================================================
// Package sub provides subscription server functionality for the 3x-ui panel,
// including HTTP/HTTPS servers for serving subscription links and JSON configurations.
package sub
import (
"context"
"crypto/tls"
"html/template"
"io"
"io/fs"
"net"
"net/http"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/mhsanaei/3x-ui/v2/logger"
"github.com/mhsanaei/3x-ui/v2/util/common"
webpkg "github.com/mhsanaei/3x-ui/v2/web"
"github.com/mhsanaei/3x-ui/v2/web/locale"
"github.com/mhsanaei/3x-ui/v2/web/middleware"
"github.com/mhsanaei/3x-ui/v2/web/network"
"github.com/mhsanaei/3x-ui/v2/web/service"
"github.com/gin-gonic/gin"
)
// setEmbeddedTemplates parses and sets embedded templates on the engine
func setEmbeddedTemplates(engine *gin.Engine) error {
t, err := template.New("").Funcs(engine.FuncMap).ParseFS(
webpkg.EmbeddedHTML(),
"html/common/page.html",
"html/component/aThemeSwitch.html",
"html/settings/panel/subscription/subpage.html",
)
if err != nil {
return err
}
engine.SetHTMLTemplate(t)
return nil
}
// Server represents the subscription server that serves subscription links and JSON configurations.
type Server struct {
httpServer *http.Server
listener net.Listener
sub *SUBController
settingService service.SettingService
ctx context.Context
cancel context.CancelFunc
}
// NewServer creates a new subscription server instance with a cancellable context.
func NewServer() *Server {
ctx, cancel := context.WithCancel(context.Background())
return &Server{
ctx: ctx,
cancel: cancel,
}
}
// initRouter configures the subscription server's Gin engine, middleware,
// templates and static assets and returns the ready-to-use engine.
func (s *Server) initRouter() (*gin.Engine, error) {
// Always run in release mode for the subscription server
gin.DefaultWriter = io.Discard
gin.DefaultErrorWriter = io.Discard
gin.SetMode(gin.ReleaseMode)
engine := gin.Default()
subDomain, err := s.settingService.GetSubDomain()
if err != nil {
return nil, err
}
if subDomain != "" {
engine.Use(middleware.DomainValidatorMiddleware(subDomain))
}
LinksPath, err := s.settingService.GetSubPath()
if err != nil {
return nil, err
}
JsonPath, err := s.settingService.GetSubJsonPath()
if err != nil {
return nil, err
}
// Determine if JSON subscription endpoint is enabled
subJsonEnable, err := s.settingService.GetSubJsonEnable()
if err != nil {
return nil, err
}
// Set base_path based on LinksPath for template rendering
// Ensure LinksPath ends with "/" for proper asset URL generation
basePath := LinksPath
if basePath != "/" && !strings.HasSuffix(basePath, "/") {
basePath += "/"
}
// logger.Debug("sub: Setting base_path to:", basePath)
engine.Use(func(c *gin.Context) {
c.Set("base_path", basePath)
})
Encrypt, err := s.settingService.GetSubEncrypt()
if err != nil {
return nil, err
}
ShowInfo, err := s.settingService.GetSubShowInfo()
if err != nil {
return nil, err
}
RemarkModel, err := s.settingService.GetRemarkModel()
if err != nil {
RemarkModel = "-ieo"
}
SubUpdates, err := s.settingService.GetSubUpdates()
if err != nil {
SubUpdates = "10"
}
SubJsonFragment, err := s.settingService.GetSubJsonFragment()
if err != nil {
SubJsonFragment = ""
}
SubJsonNoises, err := s.settingService.GetSubJsonNoises()
if err != nil {
SubJsonNoises = ""
}
SubJsonMux, err := s.settingService.GetSubJsonMux()
if err != nil {
SubJsonMux = ""
}
SubJsonRules, err := s.settingService.GetSubJsonRules()
if err != nil {
SubJsonRules = ""
}
SubTitle, err := s.settingService.GetSubTitle()
if err != nil {
SubTitle = ""
}
SubSupportUrl, err := s.settingService.GetSubSupportUrl()
if err != nil {
SubSupportUrl = ""
}
SubProfileUrl, err := s.settingService.GetSubProfileUrl()
if err != nil {
SubProfileUrl = ""
}
SubAnnounce, err := s.settingService.GetSubAnnounce()
if err != nil {
SubAnnounce = ""
}
SubEnableRouting, err := s.settingService.GetSubEnableRouting()
if err != nil {
return nil, err
}
SubRoutingRules, err := s.settingService.GetSubRoutingRules()
if err != nil {
SubRoutingRules = ""
}
// set per-request localizer from headers/cookies
engine.Use(locale.LocalizerMiddleware())
// register i18n function similar to web server
i18nWebFunc := func(key string, params ...string) string {
return locale.I18n(locale.Web, key, params...)
}
engine.SetFuncMap(map[string]any{"i18n": i18nWebFunc})
// Templates: prefer embedded; fallback to disk if necessary
if err := setEmbeddedTemplates(engine); err != nil {
logger.Warning("sub: failed to parse embedded templates:", err)
if files, derr := s.getHtmlFiles(); derr == nil {
engine.LoadHTMLFiles(files...)
} else {
logger.Error("sub: no templates available (embedded parse and disk load failed)", err, derr)
}
}
// Assets: use disk if present, fallback to embedded
// Serve under both root (/assets) and under the subscription path prefix (LinksPath + "assets")
// so reverse proxies with a URI prefix can load assets correctly.
// Determine LinksPath earlier to compute prefixed assets mount.
// Note: LinksPath always starts and ends with "/" (validated in settings).
var linksPathForAssets string
if LinksPath == "/" {
linksPathForAssets = "/assets"
} else {
// ensure single slash join
linksPathForAssets = strings.TrimRight(LinksPath, "/") + "/assets"
}
// Mount assets in multiple paths to handle different URL patterns
var assetsFS http.FileSystem
if _, err := os.Stat("web/assets"); err == nil {
assetsFS = http.FS(os.DirFS("web/assets"))
} else {
if subFS, err := fs.Sub(webpkg.EmbeddedAssets(), "assets"); err == nil {
assetsFS = http.FS(subFS)
} else {
logger.Error("sub: failed to mount embedded assets:", err)
}
}
if assetsFS != nil {
engine.StaticFS("/assets", assetsFS)
if linksPathForAssets != "/assets" {
engine.StaticFS(linksPathForAssets, assetsFS)
}
// Add middleware to handle dynamic asset paths with subid
if LinksPath != "/" {
engine.Use(func(c *gin.Context) {
path := c.Request.URL.Path
// Check if this is an asset request with subid pattern: /sub/path/{subid}/assets/...
pathPrefix := strings.TrimRight(LinksPath, "/") + "/"
if strings.HasPrefix(path, pathPrefix) && strings.Contains(path, "/assets/") {
// Extract the asset path after /assets/
assetsIndex := strings.Index(path, "/assets/")
if assetsIndex != -1 {
assetPath := path[assetsIndex+8:] // +8 to skip "/assets/"
if assetPath != "" {
// Serve the asset file
c.FileFromFS(assetPath, assetsFS)
c.Abort()
return
}
}
}
c.Next()
})
}
}
g := engine.Group("/")
s.sub = NewSUBController(
g, LinksPath, JsonPath, subJsonEnable, Encrypt, ShowInfo, RemarkModel, SubUpdates,
SubJsonFragment, SubJsonNoises, SubJsonMux, SubJsonRules, SubTitle, SubSupportUrl,
SubProfileUrl, SubAnnounce, SubEnableRouting, SubRoutingRules)
return engine, nil
}
// getHtmlFiles loads templates from local folder (used in debug mode)
func (s *Server) getHtmlFiles() ([]string, error) {
dir, _ := os.Getwd()
files := []string{}
// common layout
common := filepath.Join(dir, "web", "html", "common", "page.html")
if _, err := os.Stat(common); err == nil {
files = append(files, common)
}
// components used
theme := filepath.Join(dir, "web", "html", "component", "aThemeSwitch.html")
if _, err := os.Stat(theme); err == nil {
files = append(files, theme)
}
// page itself
page := filepath.Join(dir, "web", "html", "subpage.html")
if _, err := os.Stat(page); err == nil {
files = append(files, page)
} else {
return nil, err
}
return files, nil
}
// Start initializes and starts the subscription server with configured settings.
func (s *Server) Start() (err error) {
// This is an anonymous function, no function name
defer func() {
if err != nil {
s.Stop()
}
}()
subEnable, err := s.settingService.GetSubEnable()
if err != nil {
return err
}
if !subEnable {
return nil
}
engine, err := s.initRouter()
if err != nil {
return err
}
certFile, err := s.settingService.GetSubCertFile()
if err != nil {
return err
}
keyFile, err := s.settingService.GetSubKeyFile()
if err != nil {
return err
}
listen, err := s.settingService.GetSubListen()
if err != nil {
return err
}
port, err := s.settingService.GetSubPort()
if err != nil {
return err
}
listenAddr := net.JoinHostPort(listen, strconv.Itoa(port))
listener, err := net.Listen("tcp", listenAddr)
if err != nil {
return err
}
if certFile != "" || keyFile != "" {
cert, err := tls.LoadX509KeyPair(certFile, keyFile)
if err == nil {
c := &tls.Config{
Certificates: []tls.Certificate{cert},
}
listener = network.NewAutoHttpsListener(listener)
listener = tls.NewListener(listener, c)
logger.Info("Sub server running HTTPS on", listener.Addr())
} else {
logger.Error("Error loading certificates:", err)
logger.Info("Sub server running HTTP on", listener.Addr())
}
} else {
logger.Info("Sub server running HTTP on", listener.Addr())
}
s.listener = listener
s.httpServer = &http.Server{
Handler: engine,
}
go func() {
s.httpServer.Serve(listener)
}()
return nil
}
// Stop gracefully shuts down the subscription server and closes the listener.
func (s *Server) Stop() error {
s.cancel()
var err1 error
var err2 error
if s.httpServer != nil {
err1 = s.httpServer.Shutdown(s.ctx)
}
if s.listener != nil {
err2 = s.listener.Close()
}
return common.Combine(err1, err2)
}
// GetCtx returns the server's context for cancellation and deadline management.
func (s *Server) GetCtx() context.Context {
return s.ctx
}
================================================
FILE: sub/subController.go
================================================
package sub
import (
"encoding/base64"
"fmt"
"strconv"
"strings"
"github.com/mhsanaei/3x-ui/v2/config"
"github.com/gin-gonic/gin"
)
// SUBController handles HTTP requests for subscription links and JSON configurations.
type SUBController struct {
subTitle string
subSupportUrl string
subProfileUrl string
subAnnounce string
subEnableRouting bool
subRoutingRules string
subPath string
subJsonPath string
jsonEnabled bool
subEncrypt bool
updateInterval string
subService *SubService
subJsonService *SubJsonService
}
// NewSUBController creates a new subscription controller with the given configuration.
func NewSUBController(
g *gin.RouterGroup,
subPath string,
jsonPath string,
jsonEnabled bool,
encrypt bool,
showInfo bool,
rModel string,
update string,
jsonFragment string,
jsonNoise string,
jsonMux string,
jsonRules string,
subTitle string,
subSupportUrl string,
subProfileUrl string,
subAnnounce string,
subEnableRouting bool,
subRoutingRules string,
) *SUBController {
sub := NewSubService(showInfo, rModel)
a := &SUBController{
subTitle: subTitle,
subSupportUrl: subSupportUrl,
subProfileUrl: subProfileUrl,
subAnnounce: subAnnounce,
subEnableRouting: subEnableRouting,
subRoutingRules: subRoutingRules,
subPath: subPath,
subJsonPath: jsonPath,
jsonEnabled: jsonEnabled,
subEncrypt: encrypt,
updateInterval: update,
subService: sub,
subJsonService: NewSubJsonService(jsonFragment, jsonNoise, jsonMux, jsonRules, sub),
}
a.initRouter(g)
return a
}
// initRouter registers HTTP routes for subscription links and JSON endpoints
// on the provided router group.
func (a *SUBController) initRouter(g *gin.RouterGroup) {
gLink := g.Group(a.subPath)
gLink.GET(":subid", a.subs)
if a.jsonEnabled {
gJson := g.Group(a.subJsonPath)
gJson.GET(":subid", a.subJsons)
}
}
// subs handles HTTP requests for subscription links, returning either HTML page or base64-encoded subscription data.
func (a *SUBController) subs(c *gin.Context) {
subId := c.Param("subid")
scheme, host, hostWithPort, hostHeader := a.subService.ResolveRequest(c)
subs, lastOnline, traffic, err := a.subService.GetSubs(subId, host)
if err != nil || len(subs) == 0 {
c.String(400, "Error!")
} else {
result := ""
for _, sub := range subs {
result += sub + "\n"
}
// If the request expects HTML (e.g., browser) or explicitly asked (?html=1 or ?view=html), render the info page here
accept := c.GetHeader("Accept")
if strings.Contains(strings.ToLower(accept), "text/html") || c.Query("html") == "1" || strings.EqualFold(c.Query("view"), "html") {
// Build page data in service
subURL, subJsonURL := a.subService.BuildURLs(scheme, hostWithPort, a.subPath, a.subJsonPath, subId)
if !a.jsonEnabled {
subJsonURL = ""
}
// Get base_path from context (set by middleware)
basePath, exists := c.Get("base_path")
if !exists {
basePath = "/"
}
// Add subId to base_path for asset URLs
basePathStr := basePath.(string)
if basePathStr == "/" {
basePathStr = "/" + subId + "/"
} else {
// Remove trailing slash if exists, add subId, then add trailing slash
basePathStr = strings.TrimRight(basePathStr, "/") + "/" + subId + "/"
}
page := a.subService.BuildPageData(subId, hostHeader, traffic, lastOnline, subs, subURL, subJsonURL, basePathStr)
c.HTML(200, "subpage.html", gin.H{
"title": "subscription.title",
"cur_ver": config.GetVersion(),
"host": page.Host,
"base_path": page.BasePath,
"sId": page.SId,
"download": page.Download,
"upload": page.Upload,
"total": page.Total,
"used": page.Used,
"remained": page.Remained,
"expire": page.Expire,
"lastOnline": page.LastOnline,
"datepicker": page.Datepicker,
"downloadByte": page.DownloadByte,
"uploadByte": page.UploadByte,
"totalByte": page.TotalByte,
"subUrl": page.SubUrl,
"subJsonUrl": page.SubJsonUrl,
"result": page.Result,
})
return
}
// Add headers
header := fmt.Sprintf("upload=%d; download=%d; total=%d; expire=%d", traffic.Up, traffic.Down, traffic.Total, traffic.ExpiryTime/1000)
profileUrl := a.subProfileUrl
if profileUrl == "" {
profileUrl = fmt.Sprintf("%s://%s%s", scheme, hostWithPort, c.Request.RequestURI)
}
a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle, a.subSupportUrl, profileUrl, a.subAnnounce, a.subEnableRouting, a.subRoutingRules)
if a.subEncrypt {
c.String(200, base64.StdEncoding.EncodeToString([]byte(result)))
} else {
c.String(200, result)
}
}
}
// subJsons handles HTTP requests for JSON subscription configurations.
func (a *SUBController) subJsons(c *gin.Context) {
subId := c.Param("subid")
scheme, host, hostWithPort, _ := a.subService.ResolveRequest(c)
jsonSub, header, err := a.subJsonService.GetJson(subId, host)
if err != nil || len(jsonSub) == 0 {
c.String(400, "Error!")
} else {
// Add headers
profileUrl := a.subProfileUrl
if profileUrl == "" {
profileUrl = fmt.Sprintf("%s://%s%s", scheme, hostWithPort, c.Request.RequestURI)
}
a.ApplyCommonHeaders(c, header, a.updateInterval, a.subTitle, a.subSupportUrl, profileUrl, a.subAnnounce, a.subEnableRouting, a.subRoutingRules)
c.String(200, jsonSub)
}
}
// ApplyCommonHeaders sets common HTTP headers for subscription responses including user info, update interval, and profile title.
func (a *SUBController) ApplyCommonHeaders(
c *gin.Context,
header,
updateInterval,
profileTitle string,
profileSupportUrl string,
profileUrl string,
profileAnnounce string,
profileEnableRouting bool,
profileRoutingRules string,
) {
c.Writer.Header().Set("Subscription-Userinfo", header)
c.Writer.Header().Set("Profile-Update-Interval", updateInterval)
//Basics
if profileTitle != "" {
c.Writer.Header().Set("Profile-Title", "base64:"+base64.StdEncoding.EncodeToString([]byte(profileTitle)))
}
if profileSupportUrl != "" {
c.Writer.Header().Set("Support-Url", profileSupportUrl)
}
if profileUrl != "" {
c.Writer.Header().Set("Profile-Web-Page-Url", profileUrl)
}
if profileAnnounce != "" {
c.Writer.Header().Set("Announce", "base64:"+base64.StdEncoding.EncodeToString([]byte(profileAnnounce)))
}
//Advanced (Happ)
c.Writer.Header().Set("Routing-Enable", strconv.FormatBool(profileEnableRouting))
if profileRoutingRules != "" {
c.Writer.Header().Set("Routing", profileRoutingRules)
}
}
================================================
FILE: sub/subJsonService.go
================================================
package sub
import (
_ "embed"
"encoding/json"
"fmt"
"maps"
"strings"
"github.com/mhsanaei/3x-ui/v2/database/model"
"github.com/mhsanaei/3x-ui/v2/logger"
"github.com/mhsanaei/3x-ui/v2/util/json_util"
"github.com/mhsanaei/3x-ui/v2/util/random"
"github.com/mhsanaei/3x-ui/v2/web/service"
"github.com/mhsanaei/3x-ui/v2/xray"
)
//go:embed default.json
var defaultJson string
// SubJsonService handles JSON subscription configuration generation and management.
type SubJsonService struct {
configJson map[string]any
defaultOutbounds []json_util.RawMessage
fragment string
noises string
mux string
inboundService service.InboundService
SubService *SubService
}
// NewSubJsonService creates a new JSON subscription service with the given configuration.
func NewSubJsonService(fragment string, noises string, mux string, rules string, subService *SubService) *SubJsonService {
var configJson map[string]any
var defaultOutbounds []json_util.RawMessage
json.Unmarshal([]byte(defaultJson), &configJson)
if outboundSlices, ok := configJson["outbounds"].([]any); ok {
for _, defaultOutbound := range outboundSlices {
jsonBytes, _ := json.Marshal(defaultOutbound)
defaultOutbounds = append(defaultOutbounds, jsonBytes)
}
}
if rules != "" {
var newRules []any
routing, _ := configJson["routing"].(map[string]any)
defaultRules, _ := routing["rules"].([]any)
json.Unmarshal([]byte(rules), &newRules)
defaultRules = append(newRules, defaultRules...)
routing["rules"] = defaultRules
configJson["routing"] = routing
}
if fragment != "" {
defaultOutbounds = append(defaultOutbounds, json_util.RawMessage(fragment))
}
if noises != "" {
defaultOutbounds = append(defaultOutbounds, json_util.RawMessage(noises))
}
return &SubJsonService{
configJson: configJson,
defaultOutbounds: defaultOutbounds,
fragment: fragment,
noises: noises,
mux: mux,
SubService: subService,
}
}
// GetJson generates a JSON subscription configuration for the given subscription ID and host.
func (s *SubJsonService) GetJson(subId string, host string) (string, string, error) {
inbounds, err := s.SubService.getInboundsBySubId(subId)
if err != nil || len(inbounds) == 0 {
return "", "", err
}
var header string
var traffic xray.ClientTraffic
var clientTraffics []xray.ClientTraffic
var configArray []json_util.RawMessage
// Prepare Inbounds
for _, inbound := range inbounds {
clients, err := s.inboundService.GetClients(inbound)
if err != nil {
logger.Error("SubJsonService - GetClients: Unable to get clients from inbound")
}
if clients == nil {
continue
}
if len(inbound.Listen) > 0 && inbound.Listen[0] == '@' {
listen, port, streamSettings, err := s.SubService.getFallbackMaster(inbound.Listen, inbound.StreamSettings)
if err == nil {
inbound.Listen = listen
inbound.Port = port
inbound.StreamSettings = streamSettings
}
}
for _, client := range clients {
if client.Enable && client.SubID == subId {
clientTraffics = append(clientTraffics, s.SubService.getClientTraffics(inbound.ClientStats, client.Email))
newConfigs := s.getConfig(inbound, client, host)
configArray = append(configArray, newConfigs...)
}
}
}
if len(configArray) == 0 {
return "", "", nil
}
// Prepare statistics
for index, clientTraffic := range clientTraffics {
if index == 0 {
traffic.Up = clientTraffic.Up
traffic.Down = clientTraffic.Down
traffic.Total = clientTraffic.Total
if clientTraffic.ExpiryTime > 0 {
traffic.ExpiryTime = clientTraffic.ExpiryTime
}
} else {
traffic.Up += clientTraffic.Up
traffic.Down += clientTraffic.Down
if traffic.Total == 0 || clientTraffic.Total == 0 {
traffic.Total = 0
} else {
traffic.Total += clientTraffic.Total
}
if clientTraffic.ExpiryTime != traffic.ExpiryTime {
traffic.ExpiryTime = 0
}
}
}
// Combile outbounds
var finalJson []byte
if len(configArray) == 1 {
finalJson, _ = json.MarshalIndent(configArray[0], "", " ")
} else {
finalJson, _ = json.MarshalIndent(configArray, "", " ")
}
header = fmt.Sprintf("upload=%d; download=%d; total=%d; expire=%d", traffic.Up, traffic.Down, traffic.Total, traffic.ExpiryTime/1000)
return string(finalJson), header, nil
}
func (s *SubJsonService) getConfig(inbound *model.Inbound, client model.Client, host string) []json_util.RawMessage {
var newJsonArray []json_util.RawMessage
stream := s.streamData(inbound.StreamSettings)
externalProxies, ok := stream["externalProxy"].([]any)
if !ok || len(externalProxies) == 0 {
externalProxies = []any{
map[string]any{
"forceTls": "same",
"dest": host,
"port": float64(inbound.Port),
"remark": "",
},
}
}
delete(stream, "externalProxy")
for _, ep := range externalProxies {
extPrxy := ep.(map[string]any)
inbound.Listen = extPrxy["dest"].(string)
inbound.Port = int(extPrxy["port"].(float64))
newStream := stream
switch extPrxy["forceTls"].(string) {
case "tls":
if newStream["security"] != "tls" {
newStream["security"] = "tls"
newStream["tlsSettings"] = map[string]any{}
}
case "none":
if newStream["security"] != "none" {
newStream["security"] = "none"
delete(newStream, "tlsSettings")
}
}
streamSettings, _ := json.MarshalIndent(newStream, "", " ")
var newOutbounds []json_util.RawMessage
switch inbound.Protocol {
case "vmess":
newOutbounds = append(newOutbounds, s.genVnext(inbound, streamSettings, client))
case "vless":
newOutbounds = append(newOutbounds, s.genVless(inbound, streamSettings, client))
case "trojan", "shadowsocks":
newOutbounds = append(newOutbounds, s.genServer(inbound, streamSettings, client))
}
newOutbounds = append(newOutbounds, s.defaultOutbounds...)
newConfigJson := make(map[string]any)
maps.Copy(newConfigJson, s.configJson)
newConfigJson["outbounds"] = newOutbounds
newConfigJson["remarks"] = s.SubService.genRemark(inbound, client.Email, extPrxy["remark"].(string))
newConfig, _ := json.MarshalIndent(newConfigJson, "", " ")
newJsonArray = append(newJsonArray, newConfig)
}
return newJsonArray
}
func (s *SubJsonService) streamData(stream string) map[string]any {
var streamSettings map[string]any
json.Unmarshal([]byte(stream), &streamSettings)
security, _ := streamSettings["security"].(string)
switch security {
case "tls":
streamSettings["tlsSettings"] = s.tlsData(streamSettings["tlsSettings"].(map[string]any))
case "reality":
streamSettings["realitySettings"] = s.realityData(streamSettings["realitySettings"].(map[string]any))
}
delete(streamSettings, "sockopt")
if s.fragment != "" {
streamSettings["sockopt"] = json_util.RawMessage(`{"dialerProxy": "fragment", "tcpKeepAliveIdle": 100, "tcpMptcp": true, "penetrate": true}`)
}
// remove proxy protocol
network, _ := streamSettings["network"].(string)
switch network {
case "tcp":
streamSettings["tcpSettings"] = s.removeAcceptProxy(streamSettings["tcpSettings"])
case "ws":
streamSettings["wsSettings"] = s.removeAcceptProxy(streamSettings["wsSettings"])
case "httpupgrade":
streamSettings["httpupgradeSettings"] = s.removeAcceptProxy(streamSettings["httpupgradeSettings"])
}
return streamSettings
}
func (s *SubJsonService) removeAcceptProxy(setting any) map[string]any {
netSettings, ok := setting.(map[string]any)
if ok {
delete(netSettings, "acceptProxyProtocol")
}
return netSettings
}
func (s *SubJsonService) tlsData(tData map[string]any) map[string]any {
tlsData := make(map[string]any, 1)
tlsClientSettings, _ := tData["settings"].(map[string]any)
tlsData["serverName"] = tData["serverName"]
tlsData["alpn"] = tData["alpn"]
if fingerprint, ok := tlsClientSettings["fingerprint"].(string); ok {
tlsData["fingerprint"] = fingerprint
}
return tlsData
}
func (s *SubJsonService) realityData(rData map[string]any) map[string]any {
rltyData := make(map[string]any, 1)
rltyClientSettings, _ := rData["settings"].(map[string]any)
rltyData["show"] = false
rltyData["publicKey"] = rltyClientSettings["publicKey"]
rltyData["fingerprint"] = rltyClientSettings["fingerprint"]
rltyData["mldsa65Verify"] = rltyClientSettings["mldsa65Verify"]
// Set random data
rltyData["spiderX"] = "/" + random.Seq(15)
shortIds, ok := rData["shortIds"].([]any)
if ok && len(shortIds) > 0 {
rltyData["shortId"] = shortIds[random.Num(len(shortIds))].(string)
} else {
rltyData["shortId"] = ""
}
serverNames, ok := rData["serverNames"].([]any)
if ok && len(serverNames) > 0 {
rltyData["serverName"] = serverNames[random.Num(len(serverNames))].(string)
} else {
rltyData["serverName"] = ""
}
return rltyData
}
func (s *SubJsonService) genVnext(inbound *model.Inbound, streamSettings json_util.RawMessage, client model.Client) json_util.RawMessage {
outbound := Outbound{}
usersData := make([]UserVnext, 1)
usersData[0].ID = client.ID
usersData[0].Email = client.Email
usersData[0].Security = client.Security
vnextData := make([]VnextSetting, 1)
vnextData[0] = VnextSetting{
Address: inbound.Listen,
Port: inbound.Port,
Users: usersData,
}
outbound.Protocol = string(inbound.Protocol)
outbound.Tag = "proxy"
if s.mux != "" {
outbound.Mux = json_util.RawMessage(s.mux)
}
outbound.StreamSettings = streamSettings
outbound.Settings = map[string]any{
"vnext": vnextData,
}
result, _ := json.MarshalIndent(outbound, "", " ")
return result
}
func (s *SubJsonService) genVless(inbound *model.Inbound, streamSettings json_util.RawMessage, client model.Client) json_util.RawMessage {
outbound := Outbound{}
outbound.Protocol = string(inbound.Protocol)
outbound.Tag = "proxy"
if s.mux != "" {
outbound.Mux = json_util.RawMessage(s.mux)
}
outbound.StreamSettings = streamSettings
settings := make(map[string]any)
settings["address"] = inbound.Listen
settings["port"] = inbound.Port
settings["id"] = client.ID
if client.Flow != "" {
settings["flow"] = client.Flow
}
// Add encryption for VLESS outbound from inbound settings
var inboundSettings map[string]any
json.Unmarshal([]byte(inbound.Settings), &inboundSettings)
if encryption, ok := inboundSettings["encryption"].(string); ok {
settings["encryption"] = encryption
}
outbound.Settings = settings
result, _ := json.MarshalIndent(outbound, "", " ")
return result
}
func (s *SubJsonService) genServer(inbound *model.Inbound, streamSettings json_util.RawMessage, client model.Client) json_util.RawMessage {
outbound := Outbound{}
serverData := make([]ServerSetting, 1)
serverData[0] = ServerSetting{
Address: inbound.Listen,
Port: inbound.Port,
Level: 8,
Password: client.Password,
}
if inbound.Protocol == model.Shadowsocks {
var inboundSettings map[string]any
json.Unmarshal([]byte(inbound.Settings), &inboundSettings)
method, _ := inboundSettings["method"].(string)
serverData[0].Method = method
// server password in multi-user 2022 protocols
if strings.HasPrefix(method, "2022") {
if serverPassword, ok := inboundSettings["password"].(string); ok {
serverData[0].Password = fmt.Sprintf("%s:%s", serverPassword, client.Password)
}
}
}
outbound.Protocol = string(inbound.Protocol)
outbound.Tag = "proxy"
if s.mux != "" {
outbound.Mux = json_util.RawMessage(s.mux)
}
outbound.StreamSettings = streamSettings
outbound.Settings = map[string]any{
"servers": serverData,
}
result, _ := json.MarshalIndent(outbound, "", " ")
return result
}
type Outbound struct {
Protocol string `json:"protocol"`
Tag string `json:"tag"`
StreamSettings json_util.RawMessage `json:"streamSettings"`
Mux json_util.RawMessage `json:"mux,omitempty"`
Settings map[string]any `json:"settings,omitempty"`
}
type VnextSetting struct {
Address string `json:"address"`
Port int `json:"port"`
Users []UserVnext `json:"users"`
}
type UserVnext struct {
ID string `json:"id"`
Email string `json:"email,omitempty"`
Security string `json:"security,omitempty"`
}
type ServerSetting struct {
Password string `json:"password"`
Level int `json:"level"`
Address string `json:"address"`
Port int `json:"port"`
Flow string `json:"flow,omitempty"`
Method string `json:"method,omitempty"`
}
================================================
FILE: sub/subService.go
================================================
package sub
import (
"encoding/base64"
"fmt"
"net"
"net/url"
"strings"
"time"
"github.com/gin-gonic/gin"
"github.com/goccy/go-json"
"github.com/mhsanaei/3x-ui/v2/database"
"github.com/mhsanaei/3x-ui/v2/database/model"
"github.com/mhsanaei/3x-ui/v2/logger"
"github.com/mhsanaei/3x-ui/v2/util/common"
"github.com/mhsanaei/3x-ui/v2/util/random"
"github.com/mhsanaei/3x-ui/v2/web/service"
"github.com/mhsanaei/3x-ui/v2/xray"
)
// SubService provides business logic for generating subscription links and managing subscription data.
type SubService struct {
address string
showInfo bool
remarkModel string
datepicker string
inboundService service.InboundService
settingService service.SettingService
}
// NewSubService creates a new subscription service with the given configuration.
func NewSubService(showInfo bool, remarkModel string) *SubService {
return &SubService{
showInfo: showInfo,
remarkModel: remarkModel,
}
}
// GetSubs retrieves subscription links for a given subscription ID and host.
func (s *SubService) GetSubs(subId string, host string) ([]string, int64, xray.ClientTraffic, error) {
s.address = host
var result []string
var traffic xray.ClientTraffic
var lastOnline int64
var clientTraffics []xray.ClientTraffic
inbounds, err := s.getInboundsBySubId(subId)
if err != nil {
return nil, 0, traffic, err
}
if len(inbounds) == 0 {
return nil, 0, traffic, common.NewError("No inbounds found with ", subId)
}
s.datepicker, err = s.settingService.GetDatepicker()
if err != nil {
s.datepicker = "gregorian"
}
for _, inbound := range inbounds {
clients, err := s.inboundService.GetClients(inbound)
if err != nil {
logger.Error("SubService - GetClients: Unable to get clients from inbound")
}
if clients == nil {
continue
}
if len(inbound.Listen) > 0 && inbound.Listen[0] == '@' {
listen, port, streamSettings, err := s.getFallbackMaster(inbound.Listen, inbound.StreamSettings)
if err == nil {
inbound.Listen = listen
inbound.Port = port
inbound.StreamSettings = streamSettings
}
}
for _, client := range clients {
if client.Enable && client.SubID == subId {
link := s.getLink(inbound, client.Email)
result = append(result, link)
ct := s.getClientTraffics(inbound.ClientStats, client.Email)
clientTraffics = append(clientTraffics, ct)
if ct.LastOnline > lastOnline {
lastOnline = ct.LastOnline
}
}
}
}
// Prepare statistics
for index, clientTraffic := range clientTraffics {
if index == 0 {
traffic.Up = clientTraffic.Up
traffic.Down = clientTraffic.Down
traffic.Total = clientTraffic.Total
if clientTraffic.ExpiryTime > 0 {
traffic.ExpiryTime = clientTraffic.ExpiryTime
}
} else {
traffic.Up += clientTraffic.Up
traffic.Down += clientTraffic.Down
if traffic.Total == 0 || clientTraffic.Total == 0 {
traffic.Total = 0
} else {
traffic.Total += clientTraffic.Total
}
if clientTraffic.ExpiryTime != traffic.ExpiryTime {
traffic.ExpiryTime = 0
}
}
}
return result, lastOnline, traffic, nil
}
func (s *SubService) getInboundsBySubId(subId string) ([]*model.Inbound, error) {
db := database.GetDB()
var inbounds []*model.Inbound
err := db.Model(model.Inbound{}).Preload("ClientStats").Where(`id in (
SELECT DISTINCT inbounds.id
FROM inbounds,
JSON_EACH(JSON_EXTRACT(inbounds.settings, '$.clients')) AS client
WHERE
protocol in ('vmess','vless','trojan','shadowsocks')
AND JSON_EXTRACT(client.value, '$.subId') = ? AND enable = ?
)`, subId, true).Find(&inbounds).Error
if err != nil {
return nil, err
}
return inbounds, nil
}
func (s *SubService) getClientTraffics(traffics []xray.ClientTraffic, email string) xray.ClientTraffic {
for _, traffic := range traffics {
if traffic.Email == email {
return traffic
}
}
return xray.ClientTraffic{}
}
func (s *SubService) getFallbackMaster(dest string, streamSettings string) (string, int, string, error) {
db := database.GetDB()
var inbound *model.Inbound
err := db.Model(model.Inbound{}).
Where("JSON_TYPE(settings, '$.fallbacks') = 'array'").
Where("EXISTS (SELECT * FROM json_each(settings, '$.fallbacks') WHERE json_extract(value, '$.dest') = ?)", dest).
Find(&inbound).Error
if err != nil {
return "", 0, "", err
}
var stream map[string]any
json.Unmarshal([]byte(streamSettings), &stream)
var masterStream map[string]any
json.Unmarshal([]byte(inbound.StreamSettings), &masterStream)
stream["security"] = masterStream["security"]
stream["tlsSettings"] = masterStream["tlsSettings"]
stream["externalProxy"] = masterStream["externalProxy"]
modifiedStream, _ := json.MarshalIndent(stream, "", " ")
return inbound.Listen, inbound.Port, string(modifiedStream), nil
}
func (s *SubService) getLink(inbound *model.Inbound, email string) string {
switch inbound.Protocol {
case "vmess":
return s.genVmessLink(inbound, email)
case "vless":
return s.genVlessLink(inbound, email)
case "trojan":
return s.genTrojanLink(inbound, email)
case "shadowsocks":
return s.genShadowsocksLink(inbound, email)
}
return ""
}
func (s *SubService) genVmessLink(inbound *model.Inbound, email string) string {
if inbound.Protocol != model.VMESS {
return ""
}
var address string
if inbound.Listen == "" || inbound.Listen == "0.0.0.0" || inbound.Listen == "::" || inbound.Listen == "::0" {
address = s.address
} else {
address = inbound.Listen
}
obj := map[string]any{
"v": "2",
"add": address,
"port": inbound.Port,
"type": "none",
}
var stream map[string]any
json.Unmarshal([]byte(inbound.StreamSettings), &stream)
network, _ := stream["network"].(string)
obj["net"] = network
switch network {
case "tcp":
tcp, _ := stream["tcpSettings"].(map[string]any)
header, _ := tcp["header"].(map[string]any)
typeStr, _ := header["type"].(string)
obj["type"] = typeStr
if typeStr == "http" {
request := header["request"].(map[string]any)
requestPath, _ := request["path"].([]any)
obj["path"] = requestPath[0].(string)
headers, _ := request["headers"].(map[string]any)
obj["host"] = searchHost(headers)
}
case "kcp":
kcp, _ := stream["kcpSettings"].(map[string]any)
header, _ := kcp["header"].(map[string]any)
obj["type"], _ = header["type"].(string)
obj["path"], _ = kcp["seed"].(string)
case "ws":
ws, _ := stream["wsSettings"].(map[string]any)
obj["path"] = ws["path"].(string)
if host, ok := ws["host"].(string); ok && len(host) > 0 {
obj["host"] = host
} else {
headers, _ := ws["headers"].(map[string]any)
obj["host"] = searchHost(headers)
}
case "grpc":
grpc, _ := stream["grpcSettings"].(map[string]any)
obj["path"] = grpc["serviceName"].(string)
obj["authority"] = grpc["authority"].(string)
if grpc["multiMode"].(bool) {
obj["type"] = "multi"
}
case "httpupgrade":
httpupgrade, _ := stream["httpupgradeSettings"].(map[string]any)
obj["path"] = httpupgrade["path"].(string)
if host, ok := httpupgrade["host"].(string); ok && len(host) > 0 {
obj["host"] = host
} else {
headers, _ := httpupgrade["headers"].(map[string]any)
obj["host"] = searchHost(headers)
}
case "xhttp":
xhttp, _ := stream["xhttpSettings"].(map[string]any)
obj["path"] = xhttp["path"].(string)
if host, ok := xhttp["host"].(string); ok && len(host) > 0 {
obj["host"] = host
} else {
headers, _ := xhttp["headers"].(map[string]any)
obj["host"] = searchHost(headers)
}
obj["mode"] = xhttp["mode"].(string)
}
security, _ := stream["security"].(string)
obj["tls"] = security
if security == "tls" {
tlsSetting, _ := stream["tlsSettings"].(map[string]any)
alpns, _ := tlsSetting["alpn"].([]any)
if len(alpns) > 0 {
var alpn []string
for _, a := range alpns {
alpn = append(alpn, a.(string))
}
obj["alpn"] = strings.Join(alpn, ",")
}
if sniValue, ok := searchKey(tlsSetting, "serverName"); ok {
obj["sni"], _ = sniValue.(string)
}
tlsSettings, _ := searchKey(tlsSetting, "settings")
if tlsSetting != nil {
if fpValue, ok := searchKey(tlsSettings, "fingerprint"); ok {
obj["fp"], _ = fpValue.(string)
}
}
}
clients, _ := s.inboundService.GetClients(inbound)
clientIndex := -1
for i, client := range clients {
if client.Email == email {
clientIndex = i
break
}
}
obj["id"] = clients[clientIndex].ID
obj["scy"] = clients[clientIndex].Security
externalProxies, _ := stream["externalProxy"].([]any)
if len(externalProxies) > 0 {
links := ""
for index, externalProxy := range externalProxies {
ep, _ := externalProxy.(map[string]any)
newSecurity, _ := ep["forceTls"].(string)
newObj := map[string]any{}
for key, value := range obj {
if !(newSecurity == "none" && (key == "alpn" || key == "sni" || key == "fp")) {
newObj[key] = value
}
}
newObj["ps"] = s.genRemark(inbound, email, ep["remark"].(string))
newObj["add"] = ep["dest"].(string)
newObj["port"] = int(ep["port"].(float64))
if newSecurity != "same" {
newObj["tls"] = newSecurity
}
if index > 0 {
links += "\n"
}
jsonStr, _ := json.MarshalIndent(newObj, "", " ")
links += "vmess://" + base64.StdEncoding.EncodeToString(jsonStr)
}
return links
}
obj["ps"] = s.genRemark(inbound, email, "")
jsonStr, _ := json.MarshalIndent(obj, "", " ")
return "vmess://" + base64.StdEncoding.EncodeToString(jsonStr)
}
func (s *SubService) genVlessLink(inbound *model.Inbound, email string) string {
var address string
if inbound.Listen == "" || inbound.Listen == "0.0.0.0" || inbound.Listen == "::" || inbound.Listen == "::0" {
address = s.address
} else {
address = inbound.Listen
}
if inbound.Protocol != model.VLESS {
return ""
}
var stream map[string]any
json.Unmarshal([]byte(inbound.StreamSettings), &stream)
clients, _ := s.inboundService.GetClients(inbound)
clientIndex := -1
for i, client := range clients {
if client.Email == email {
clientIndex = i
break
}
}
uuid := clients[clientIndex].ID
port := inbound.Port
streamNetwork := stream["network"].(string)
params := make(map[string]string)
params["type"] = streamNetwork
// Add encryption parameter for VLESS from inbound settings
var settings map[string]any
json.Unmarshal([]byte(inbound.Settings), &settings)
if encryption, ok := settings["encryption"].(string); ok {
params["encryption"] = encryption
}
switch streamNetwork {
case "tcp":
tcp, _ := stream["tcpSettings"].(map[string]any)
header, _ := tcp["header"].(map[string]any)
typeStr, _ := header["type"].(string)
if typeStr == "http" {
request := header["request"].(map[string]any)
requestPath, _ := request["path"].([]any)
params["path"] = requestPath[0].(string)
headers, _ := request["headers"].(map[string]any)
params["host"] = searchHost(headers)
params["headerType"] = "http"
}
case "kcp":
kcp, _ := stream["kcpSettings"].(map[string]any)
header, _ := kcp["header"].(map[string]any)
params["headerType"] = header["type"].(string)
params["seed"] = kcp["seed"].(string)
case "ws":
ws, _ := stream["wsSettings"].(map[string]any)
params["path"] = ws["path"].(string)
if host, ok := ws["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := ws["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "grpc":
grpc, _ := stream["grpcSettings"].(map[string]any)
params["serviceName"] = grpc["serviceName"].(string)
params["authority"], _ = grpc["authority"].(string)
if grpc["multiMode"].(bool) {
params["mode"] = "multi"
}
case "httpupgrade":
httpupgrade, _ := stream["httpupgradeSettings"].(map[string]any)
params["path"] = httpupgrade["path"].(string)
if host, ok := httpupgrade["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := httpupgrade["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "xhttp":
xhttp, _ := stream["xhttpSettings"].(map[string]any)
params["path"] = xhttp["path"].(string)
if host, ok := xhttp["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := xhttp["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
params["mode"] = xhttp["mode"].(string)
}
security, _ := stream["security"].(string)
if security == "tls" {
params["security"] = "tls"
tlsSetting, _ := stream["tlsSettings"].(map[string]any)
alpns, _ := tlsSetting["alpn"].([]any)
var alpn []string
for _, a := range alpns {
alpn = append(alpn, a.(string))
}
if len(alpn) > 0 {
params["alpn"] = strings.Join(alpn, ",")
}
if sniValue, ok := searchKey(tlsSetting, "serverName"); ok {
params["sni"], _ = sniValue.(string)
}
tlsSettings, _ := searchKey(tlsSetting, "settings")
if tlsSetting != nil {
if fpValue, ok := searchKey(tlsSettings, "fingerprint"); ok {
params["fp"], _ = fpValue.(string)
}
}
if streamNetwork == "tcp" && len(clients[clientIndex].Flow) > 0 {
params["flow"] = clients[clientIndex].Flow
}
}
if security == "reality" {
params["security"] = "reality"
realitySetting, _ := stream["realitySettings"].(map[string]any)
realitySettings, _ := searchKey(realitySetting, "settings")
if realitySetting != nil {
if sniValue, ok := searchKey(realitySetting, "serverNames"); ok {
sNames, _ := sniValue.([]any)
params["sni"] = sNames[random.Num(len(sNames))].(string)
}
if pbkValue, ok := searchKey(realitySettings, "publicKey"); ok {
params["pbk"], _ = pbkValue.(string)
}
if sidValue, ok := searchKey(realitySetting, "shortIds"); ok {
shortIds, _ := sidValue.([]any)
params["sid"] = shortIds[random.Num(len(shortIds))].(string)
}
if fpValue, ok := searchKey(realitySettings, "fingerprint"); ok {
if fp, ok := fpValue.(string); ok && len(fp) > 0 {
params["fp"] = fp
}
}
if pqvValue, ok := searchKey(realitySettings, "mldsa65Verify"); ok {
if pqv, ok := pqvValue.(string); ok && len(pqv) > 0 {
params["pqv"] = pqv
}
}
params["spx"] = "/" + random.Seq(15)
}
if streamNetwork == "tcp" && len(clients[clientIndex].Flow) > 0 {
params["flow"] = clients[clientIndex].Flow
}
}
if security != "tls" && security != "reality" {
params["security"] = "none"
}
externalProxies, _ := stream["externalProxy"].([]any)
if len(externalProxies) > 0 {
links := make([]string, 0, len(externalProxies))
for _, externalProxy := range externalProxies {
ep, _ := externalProxy.(map[string]any)
newSecurity, _ := ep["forceTls"].(string)
dest, _ := ep["dest"].(string)
port := int(ep["port"].(float64))
link := fmt.Sprintf("vless://%s@%s:%d", uuid, dest, port)
if newSecurity != "same" {
params["security"] = newSecurity
} else {
params["security"] = security
}
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
if !(newSecurity == "none" && (k == "alpn" || k == "sni" || k == "fp")) {
q.Add(k, v)
}
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, ep["remark"].(string))
links = append(links, url.String())
}
return strings.Join(links, "\n")
}
link := fmt.Sprintf("vless://%s@%s:%d", uuid, address, port)
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
q.Add(k, v)
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, "")
return url.String()
}
func (s *SubService) genTrojanLink(inbound *model.Inbound, email string) string {
var address string
if inbound.Listen == "" || inbound.Listen == "0.0.0.0" || inbound.Listen == "::" || inbound.Listen == "::0" {
address = s.address
} else {
address = inbound.Listen
}
if inbound.Protocol != model.Trojan {
return ""
}
var stream map[string]any
json.Unmarshal([]byte(inbound.StreamSettings), &stream)
clients, _ := s.inboundService.GetClients(inbound)
clientIndex := -1
for i, client := range clients {
if client.Email == email {
clientIndex = i
break
}
}
password := clients[clientIndex].Password
port := inbound.Port
streamNetwork := stream["network"].(string)
params := make(map[string]string)
params["type"] = streamNetwork
switch streamNetwork {
case "tcp":
tcp, _ := stream["tcpSettings"].(map[string]any)
header, _ := tcp["header"].(map[string]any)
typeStr, _ := header["type"].(string)
if typeStr == "http" {
request := header["request"].(map[string]any)
requestPath, _ := request["path"].([]any)
params["path"] = requestPath[0].(string)
headers, _ := request["headers"].(map[string]any)
params["host"] = searchHost(headers)
params["headerType"] = "http"
}
case "kcp":
kcp, _ := stream["kcpSettings"].(map[string]any)
header, _ := kcp["header"].(map[string]any)
params["headerType"] = header["type"].(string)
params["seed"] = kcp["seed"].(string)
case "ws":
ws, _ := stream["wsSettings"].(map[string]any)
params["path"] = ws["path"].(string)
if host, ok := ws["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := ws["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "grpc":
grpc, _ := stream["grpcSettings"].(map[string]any)
params["serviceName"] = grpc["serviceName"].(string)
params["authority"], _ = grpc["authority"].(string)
if grpc["multiMode"].(bool) {
params["mode"] = "multi"
}
case "httpupgrade":
httpupgrade, _ := stream["httpupgradeSettings"].(map[string]any)
params["path"] = httpupgrade["path"].(string)
if host, ok := httpupgrade["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := httpupgrade["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "xhttp":
xhttp, _ := stream["xhttpSettings"].(map[string]any)
params["path"] = xhttp["path"].(string)
if host, ok := xhttp["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := xhttp["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
params["mode"] = xhttp["mode"].(string)
}
security, _ := stream["security"].(string)
if security == "tls" {
params["security"] = "tls"
tlsSetting, _ := stream["tlsSettings"].(map[string]any)
alpns, _ := tlsSetting["alpn"].([]any)
var alpn []string
for _, a := range alpns {
alpn = append(alpn, a.(string))
}
if len(alpn) > 0 {
params["alpn"] = strings.Join(alpn, ",")
}
if sniValue, ok := searchKey(tlsSetting, "serverName"); ok {
params["sni"], _ = sniValue.(string)
}
tlsSettings, _ := searchKey(tlsSetting, "settings")
if tlsSetting != nil {
if fpValue, ok := searchKey(tlsSettings, "fingerprint"); ok {
params["fp"], _ = fpValue.(string)
}
}
}
if security == "reality" {
params["security"] = "reality"
realitySetting, _ := stream["realitySettings"].(map[string]any)
realitySettings, _ := searchKey(realitySetting, "settings")
if realitySetting != nil {
if sniValue, ok := searchKey(realitySetting, "serverNames"); ok {
sNames, _ := sniValue.([]any)
params["sni"] = sNames[random.Num(len(sNames))].(string)
}
if pbkValue, ok := searchKey(realitySettings, "publicKey"); ok {
params["pbk"], _ = pbkValue.(string)
}
if sidValue, ok := searchKey(realitySetting, "shortIds"); ok {
shortIds, _ := sidValue.([]any)
params["sid"] = shortIds[random.Num(len(shortIds))].(string)
}
if fpValue, ok := searchKey(realitySettings, "fingerprint"); ok {
if fp, ok := fpValue.(string); ok && len(fp) > 0 {
params["fp"] = fp
}
}
if pqvValue, ok := searchKey(realitySettings, "mldsa65Verify"); ok {
if pqv, ok := pqvValue.(string); ok && len(pqv) > 0 {
params["pqv"] = pqv
}
}
params["spx"] = "/" + random.Seq(15)
}
if streamNetwork == "tcp" && len(clients[clientIndex].Flow) > 0 {
params["flow"] = clients[clientIndex].Flow
}
}
if security != "tls" && security != "reality" {
params["security"] = "none"
}
externalProxies, _ := stream["externalProxy"].([]any)
if len(externalProxies) > 0 {
links := ""
for index, externalProxy := range externalProxies {
ep, _ := externalProxy.(map[string]any)
newSecurity, _ := ep["forceTls"].(string)
dest, _ := ep["dest"].(string)
port := int(ep["port"].(float64))
link := fmt.Sprintf("trojan://%s@%s:%d", password, dest, port)
if newSecurity != "same" {
params["security"] = newSecurity
} else {
params["security"] = security
}
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
if !(newSecurity == "none" && (k == "alpn" || k == "sni" || k == "fp")) {
q.Add(k, v)
}
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, ep["remark"].(string))
if index > 0 {
links += "\n"
}
links += url.String()
}
return links
}
link := fmt.Sprintf("trojan://%s@%s:%d", password, address, port)
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
q.Add(k, v)
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, "")
return url.String()
}
func (s *SubService) genShadowsocksLink(inbound *model.Inbound, email string) string {
var address string
if inbound.Listen == "" || inbound.Listen == "0.0.0.0" || inbound.Listen == "::" || inbound.Listen == "::0" {
address = s.address
} else {
address = inbound.Listen
}
if inbound.Protocol != model.Shadowsocks {
return ""
}
var stream map[string]any
json.Unmarshal([]byte(inbound.StreamSettings), &stream)
clients, _ := s.inboundService.GetClients(inbound)
var settings map[string]any
json.Unmarshal([]byte(inbound.Settings), &settings)
inboundPassword := settings["password"].(string)
method := settings["method"].(string)
clientIndex := -1
for i, client := range clients {
if client.Email == email {
clientIndex = i
break
}
}
streamNetwork := stream["network"].(string)
params := make(map[string]string)
params["type"] = streamNetwork
switch streamNetwork {
case "tcp":
tcp, _ := stream["tcpSettings"].(map[string]any)
header, _ := tcp["header"].(map[string]any)
typeStr, _ := header["type"].(string)
if typeStr == "http" {
request := header["request"].(map[string]any)
requestPath, _ := request["path"].([]any)
params["path"] = requestPath[0].(string)
headers, _ := request["headers"].(map[string]any)
params["host"] = searchHost(headers)
params["headerType"] = "http"
}
case "kcp":
kcp, _ := stream["kcpSettings"].(map[string]any)
header, _ := kcp["header"].(map[string]any)
params["headerType"] = header["type"].(string)
params["seed"] = kcp["seed"].(string)
case "ws":
ws, _ := stream["wsSettings"].(map[string]any)
params["path"] = ws["path"].(string)
if host, ok := ws["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := ws["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "grpc":
grpc, _ := stream["grpcSettings"].(map[string]any)
params["serviceName"] = grpc["serviceName"].(string)
params["authority"], _ = grpc["authority"].(string)
if grpc["multiMode"].(bool) {
params["mode"] = "multi"
}
case "httpupgrade":
httpupgrade, _ := stream["httpupgradeSettings"].(map[string]any)
params["path"] = httpupgrade["path"].(string)
if host, ok := httpupgrade["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := httpupgrade["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
case "xhttp":
xhttp, _ := stream["xhttpSettings"].(map[string]any)
params["path"] = xhttp["path"].(string)
if host, ok := xhttp["host"].(string); ok && len(host) > 0 {
params["host"] = host
} else {
headers, _ := xhttp["headers"].(map[string]any)
params["host"] = searchHost(headers)
}
params["mode"] = xhttp["mode"].(string)
}
security, _ := stream["security"].(string)
if security == "tls" {
params["security"] = "tls"
tlsSetting, _ := stream["tlsSettings"].(map[string]any)
alpns, _ := tlsSetting["alpn"].([]any)
var alpn []string
for _, a := range alpns {
alpn = append(alpn, a.(string))
}
if len(alpn) > 0 {
params["alpn"] = strings.Join(alpn, ",")
}
if sniValue, ok := searchKey(tlsSetting, "serverName"); ok {
params["sni"], _ = sniValue.(string)
}
tlsSettings, _ := searchKey(tlsSetting, "settings")
if tlsSetting != nil {
if fpValue, ok := searchKey(tlsSettings, "fingerprint"); ok {
params["fp"], _ = fpValue.(string)
}
}
}
encPart := fmt.Sprintf("%s:%s", method, clients[clientIndex].Password)
if method[0] == '2' {
encPart = fmt.Sprintf("%s:%s:%s", method, inboundPassword, clients[clientIndex].Password)
}
externalProxies, _ := stream["externalProxy"].([]any)
if len(externalProxies) > 0 {
links := ""
for index, externalProxy := range externalProxies {
ep, _ := externalProxy.(map[string]any)
newSecurity, _ := ep["forceTls"].(string)
dest, _ := ep["dest"].(string)
port := int(ep["port"].(float64))
link := fmt.Sprintf("ss://%s@%s:%d", base64.StdEncoding.EncodeToString([]byte(encPart)), dest, port)
if newSecurity != "same" {
params["security"] = newSecurity
} else {
params["security"] = security
}
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
if !(newSecurity == "none" && (k == "alpn" || k == "sni" || k == "fp")) {
q.Add(k, v)
}
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, ep["remark"].(string))
if index > 0 {
links += "\n"
}
links += url.String()
}
return links
}
link := fmt.Sprintf("ss://%s@%s:%d", base64.StdEncoding.EncodeToString([]byte(encPart)), address, inbound.Port)
url, _ := url.Parse(link)
q := url.Query()
for k, v := range params {
q.Add(k, v)
}
// Set the new query values on the URL
url.RawQuery = q.Encode()
url.Fragment = s.genRemark(inbound, email, "")
return url.String()
}
func (s *SubService) genRemark(inbound *model.Inbound, email string, extra string) string {
separationChar := string(s.remarkModel[0])
orderChars := s.remarkModel[1:]
orders := map[byte]string{
'i': "",
'e': "",
'o': "",
}
if len(email) > 0 {
orders['e'] = email
}
if len(inbound.Remark) > 0 {
orders['i'] = inbound.Remark
}
if len(extra) > 0 {
orders['o'] = extra
}
var remark []string
for i := 0; i < len(orderChars); i++ {
char := orderChars[i]
order, exists := orders[char]
if exists && order != "" {
remark = append(remark, order)
}
}
if s.showInfo {
statsExist := false
var stats xray.ClientTraffic
for _, clientStat := range inbound.ClientStats {
if clientStat.Email == email {
stats = clientStat
statsExist = true
break
}
}
// Get remained days
if statsExist {
if !stats.Enable {
return fmt.Sprintf("⛔️N/A%s%s", separationChar, strings.Join(remark, separationChar))
}
if vol := stats.Total - (stats.Up + stats.Down); vol > 0 {
remark = append(remark, fmt.Sprintf("%s%s", common.FormatTraffic(vol), "📊"))
}
now := time.Now().Unix()
switch exp := stats.ExpiryTime / 1000; {
case exp > 0:
remainingSeconds := exp - now
days := remainingSeconds / 86400
hours := (remainingSeconds % 86400) / 3600
minutes := (remainingSeconds % 3600) / 60
if days > 0 {
if hours > 0 {
remark = append(remark, fmt.Sprintf("%dD,%dH⏳", days, hours))
} else {
remark = append(remark, fmt.Sprintf("%dD⏳", days))
}
} else if hours > 0 {
remark = append(remark, fmt.Sprintf("%dH⏳", hours))
} else {
remark = append(remark, fmt.Sprintf("%dM⏳", minutes))
}
case exp < 0:
days := exp / -86400
hours := (exp % -86400) / 3600
minutes := (exp % -3600) / 60
if days > 0 {
if hours > 0 {
remark = append(remark, fmt.Sprintf("%dD,%dH⏳", days, hours))
} else {
remark = append(remark, fmt.Sprintf("%dD⏳", days))
}
} else if hours > 0 {
remark = append(remark, fmt.Sprintf("%dH⏳", hours))
} else {
remark = append(remark, fmt.Sprintf("%dM⏳", minutes))
}
}
}
}
return strings.Join(remark, separationChar)
}
func searchKey(data any, key string) (any, bool) {
switch val := data.(type) {
case map[string]any:
for k, v := range val {
if k == key {
return v, true
}
if result, ok := searchKey(v, key); ok {
return result, true
}
}
case []any:
for _, v := range val {
if result, ok := searchKey(v, key); ok {
return result, true
}
}
}
return nil, false
}
func searchHost(headers any) string {
data, _ := headers.(map[string]any)
for k, v := range data {
if strings.EqualFold(k, "host") {
switch v.(type) {
case []any:
hosts, _ := v.([]any)
if len(hosts) > 0 {
return hosts[0].(string)
} else {
return ""
}
case any:
return v.(string)
}
}
}
return ""
}
// PageData is a view model for subpage.html
// PageData contains data for rendering the subscription information page.
type PageData struct {
Host string
BasePath string
SId string
Download string
Upload string
Total string
Used string
Remained string
Expire int64
LastOnline int64
Datepicker string
DownloadByte int64
UploadByte int64
TotalByte int64
SubUrl string
SubJsonUrl string
Result []string
}
// ResolveRequest extracts scheme and host info from request/headers consistently.
// ResolveRequest extracts scheme, host, and header information from an HTTP request.
func (s *SubService) ResolveRequest(c *gin.Context) (scheme string, host string, hostWithPort string, hostHeader string) {
// scheme
scheme = "http"
if c.Request.TLS != nil || strings.EqualFold(c.GetHeader("X-Forwarded-Proto"), "https") {
scheme = "https"
}
// base host (no port)
if h, err := getHostFromXFH(c.GetHeader("X-Forwarded-Host")); err == nil && h != "" {
host = h
}
if host == "" {
host = c.GetHeader("X-Real-IP")
}
if host == "" {
var err error
host, _, err = net.SplitHostPort(c.Request.Host)
if err != nil {
host = c.Request.Host
}
}
// host:port for URLs
hostWithPort = c.GetHeader("X-Forwarded-Host")
if hostWithPort == "" {
hostWithPort = c.Request.Host
}
if hostWithPort == "" {
hostWithPort = host
}
// header display host
hostHeader = c.GetHeader("X-Forwarded-Host")
if hostHeader == "" {
hostHeader = c.GetHeader("X-Real-IP")
}
if hostHeader == "" {
hostHeader = host
}
return
}
// BuildURLs constructs absolute subscription and JSON subscription URLs for a given subscription ID.
// It prioritizes configured URIs, then individual settings, and finally falls back to request-derived components.
func (s *SubService) BuildURLs(scheme, hostWithPort, subPath, subJsonPath, subId string) (subURL, subJsonURL string) {
// Input validation
if subId == "" {
return "", ""
}
// Get configured URIs first (highest priority)
configuredSubURI, _ := s.settingService.GetSubURI()
configuredSubJsonURI, _ := s.settingService.GetSubJsonURI()
// Determine base scheme and host (cached to avoid duplicate calls)
var baseScheme, baseHostWithPort string
if configuredSubURI == "" || configuredSubJsonURI == "" {
baseScheme, baseHostWithPort = s.getBaseSchemeAndHost(scheme, hostWithPort)
}
// Build subscription URL
subURL = s.buildSingleURL(configuredSubURI, baseScheme, baseHostWithPort, subPath, subId)
// Build JSON subscription URL
subJsonURL = s.buildSingleURL(configuredSubJsonURI, baseScheme, baseHostWithPort, subJsonPath, subId)
return subURL, subJsonURL
}
// getBaseSchemeAndHost determines the base scheme and host from settings or falls back to request values
func (s *SubService) getBaseSchemeAndHost(requestScheme, requestHostWithPort string) (string, string) {
subDomain, err := s.settingService.GetSubDomain()
if err != nil || subDomain == "" {
return requestScheme, requestHostWithPort
}
// Get port and TLS settings
subPort, _ := s.settingService.GetSubPort()
subKeyFile, _ := s.settingService.GetSubKeyFile()
subCertFile, _ := s.settingService.GetSubCertFile()
// Determine scheme from TLS configuration
scheme := "http"
if subKeyFile != "" && subCertFile != "" {
scheme = "https"
}
// Build host:port, always include port for clarity
hostWithPort := fmt.Sprintf("%s:%d", subDomain, subPort)
return scheme, hostWithPort
}
// buildSingleURL constructs a single URL using configured URI or base components
func (s *SubService) buildSingleURL(configuredURI, baseScheme, baseHostWithPort, basePath, subId string) string {
if configuredURI != "" {
return s.joinPathWithID(configuredURI, subId)
}
baseURL := fmt.Sprintf("%s://%s", baseScheme, baseHostWithPort)
return s.joinPathWithID(baseURL+basePath, subId)
}
// joinPathWithID safely joins a base path with a subscription ID
func (s *SubService) joinPathWithID(basePath, subId string) string {
if strings.HasSuffix(basePath, "/") {
return basePath + subId
}
return basePath + "/" + subId
}
// BuildPageData parses header and prepares the template view model.
// BuildPageData constructs page data for rendering the subscription information page.
func (s *SubService) BuildPageData(subId string, hostHeader string, traffic xray.ClientTraffic, lastOnline int64, subs []string, subURL, subJsonURL string, basePath string) PageData {
download := common.FormatTraffic(traffic.Down)
upload := common.FormatTraffic(traffic.Up)
total := "∞"
used := common.FormatTraffic(traffic.Up + traffic.Down)
remained := ""
if traffic.Total > 0 {
total = common.FormatTraffic(traffic.Total)
left := max(traffic.Total-(traffic.Up+traffic.Down), 0)
remained = common.FormatTraffic(left)
}
datepicker := s.datepicker
if datepicker == "" {
datepicker = "gregorian"
}
return PageData{
Host: hostHeader,
BasePath: basePath,
SId: subId,
Download: download,
Upload: upload,
Total: total,
Used: used,
Remained: remained,
Expire: traffic.ExpiryTime / 1000,
LastOnline: lastOnline,
Datepicker: datepicker,
DownloadByte: traffic.Down,
UploadByte: traffic.Up,
TotalByte: traffic.Total,
SubUrl: subURL,
SubJsonUrl: subJsonURL,
Result: subs,
}
}
func getHostFromXFH(s string) (string, error) {
if strings.Contains(s, ":") {
realHost, _, err := net.SplitHostPort(s)
if err != nil {
return "", err
}
return realHost, nil
}
return s, nil
}
================================================
FILE: update.sh
================================================
#!/bin/bash
red='\033[0;31m'
green='\033[0;32m'
blue='\033[0;34m'
yellow='\033[0;33m'
plain='\033[0m'
xui_folder="${XUI_MAIN_FOLDER:=/usr/local/x-ui}"
xui_service="${XUI_SERVICE:=/etc/systemd/system}"
# Don't edit this config
b_source="${BASH_SOURCE[0]}"
while [ -h "$b_source" ]; do
b_dir="$(cd -P "$(dirname "$b_source")" >/dev/null 2>&1 && pwd || pwd -P)"
b_source="$(readlink "$b_source")"
[[ $b_source != /* ]] && b_source="$b_dir/$b_source"
done
cur_dir="$(cd -P "$(dirname "$b_source")" >/dev/null 2>&1 && pwd || pwd -P)"
script_name=$(basename "$0")
# Check command exist function
_command_exists() {
type "$1" &>/dev/null
}
# Fail, log and exit script function
_fail() {
local msg=${1}
echo -e "${red}${msg}${plain}"
exit 2
}
# check root
[[ $EUID -ne 0 ]] && _fail "FATAL ERROR: Please run this script with root privilege."
if _command_exists curl; then
curl_bin=$(which curl)
else
_fail "ERROR: Command 'curl' not found."
fi
# Check OS and set release variable
if [[ -f /etc/os-release ]]; then
source /etc/os-release
release=$ID
elif [[ -f /usr/lib/os-release ]]; then
source /usr/lib/os-release
release=$ID
else
_fail "Failed to check the system OS, please contact the author!"
fi
echo "The OS release is: $release"
arch() {
case "$(uname -m)" in
x86_64 | x64 | amd64) echo 'amd64' ;;
i*86 | x86) echo '386' ;;
armv8* | armv8 | arm64 | aarch64) echo 'arm64' ;;
armv7* | armv7 | arm) echo 'armv7' ;;
armv6* | armv6) echo 'armv6' ;;
armv5* | armv5) echo 'armv5' ;;
s390x) echo 's390x' ;;
*) echo -e "${red}Unsupported CPU architecture!${plain}" && rm -f "${cur_dir}/${script_name}" >/dev/null 2>&1 && exit 2;;
esac
}
echo "Arch: $(arch)"
# Simple helpers
is_ipv4() {
[[ "$1" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]] && return 0 || return 1
}
is_ipv6() {
[[ "$1" =~ : ]] && return 0 || return 1
}
is_ip() {
is_ipv4 "$1" || is_ipv6 "$1"
}
is_domain() {
[[ "$1" =~ ^([A-Za-z0-9](-*[A-Za-z0-9])*\.)+(xn--[a-z0-9]{2,}|[A-Za-z]{2,})$ ]] && return 0 || return 1
}
# Port helpers
is_port_in_use() {
local port="$1"
if command -v ss >/dev/null 2>&1; then
ss -ltn 2>/dev/null | awk -v p=":${port}$" '$4 ~ p {exit 0} END {exit 1}'
return
fi
if command -v netstat >/dev/null 2>&1; then
netstat -lnt 2>/dev/null | awk -v p=":${port} " '$4 ~ p {exit 0} END {exit 1}'
return
fi
if command -v lsof >/dev/null 2>&1; then
lsof -nP -iTCP:${port} -sTCP:LISTEN >/dev/null 2>&1 && return 0
fi
return 1
}
gen_random_string() {
local length="$1"
local random_string=$(LC_ALL=C tr -dc 'a-zA-Z0-9' /dev/null 2>&1 && apt-get install -y -q curl tar tzdata socat >/dev/null 2>&1
;;
fedora | amzn | virtuozzo | rhel | almalinux | rocky | ol)
dnf -y update >/dev/null 2>&1 && dnf install -y -q curl tar tzdata socat >/dev/null 2>&1
;;
centos)
if [[ "${VERSION_ID}" =~ ^7 ]]; then
yum -y update >/dev/null 2>&1 && yum install -y -q curl tar tzdata socat >/dev/null 2>&1
else
dnf -y update >/dev/null 2>&1 && dnf install -y -q curl tar tzdata socat >/dev/null 2>&1
fi
;;
arch | manjaro | parch)
pacman -Syu >/dev/null 2>&1 && pacman -Syu --noconfirm curl tar tzdata socat >/dev/null 2>&1
;;
opensuse-tumbleweed | opensuse-leap)
zypper refresh >/dev/null 2>&1 && zypper -q install -y curl tar timezone socat >/dev/null 2>&1
;;
alpine)
apk update >/dev/null 2>&1 && apk add curl tar tzdata socat >/dev/null 2>&1
;;
*)
apt-get update >/dev/null 2>&1 && apt install -y -q curl tar tzdata socat >/dev/null 2>&1
;;
esac
}
install_acme() {
echo -e "${green}Installing acme.sh for SSL certificate management...${plain}"
cd ~ || return 1
curl -s https://get.acme.sh | sh >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
else
echo -e "${green}acme.sh installed successfully${plain}"
fi
return 0
}
setup_ssl_certificate() {
local domain="$1"
local server_ip="$2"
local existing_port="$3"
local existing_webBasePath="$4"
echo -e "${green}Setting up SSL certificate...${plain}"
# Check if acme.sh is installed
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
install_acme
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to install acme.sh, skipping SSL setup${plain}"
return 1
fi
fi
# Create certificate directory
local certPath="/root/cert/${domain}"
mkdir -p "$certPath"
# Issue certificate
echo -e "${green}Issuing SSL certificate for ${domain}...${plain}"
echo -e "${yellow}Note: Port 80 must be open and accessible from the internet${plain}"
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force >/dev/null 2>&1
~/.acme.sh/acme.sh --issue -d ${domain} --listen-v6 --standalone --httpport 80 --force
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to issue certificate for ${domain}${plain}"
echo -e "${yellow}Please ensure port 80 is open and try again later with: x-ui${plain}"
rm -rf ~/.acme.sh/${domain} 2>/dev/null
rm -rf "$certPath" 2>/dev/null
return 1
fi
# Install certificate
~/.acme.sh/acme.sh --installcert -d ${domain} \
--key-file /root/cert/${domain}/privkey.pem \
--fullchain-file /root/cert/${domain}/fullchain.pem \
--reloadcmd "systemctl restart x-ui" >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo -e "${yellow}Failed to install certificate${plain}"
return 1
fi
# Enable auto-renew
~/.acme.sh/acme.sh --upgrade --auto-upgrade >/dev/null 2>&1
chmod 600 $certPath/privkey.pem 2>/dev/null
chmod 644 $certPath/fullchain.pem 2>/dev/null
# Set certificate for panel
local webCertFile="/root/cert/${domain}/fullchain.pem"
local webKeyFile="/root/cert/${domain}/privkey.pem"
if [[ -f "$webCertFile" && -f "$webKeyFile" ]]; then
${xui_folder}/x-ui cert -webCert "$webCertFile" -webCertKey "$webKeyFile" >/dev/null 2>&1
echo -e "${green}SSL certificate installed and configured successfully!${plain}"
return 0
else
echo -e "${yellow}Certificate files not found${plain}"
return 1
fi
}
# Issue Let's Encrypt IP certificate with shortlived profile (~6 days validity)
# Requires acme.sh and port 80 open for HTTP-01 challenge
setup_ip_certificate() {
local ipv4="$1"
local ipv6="$2" # optional
echo -e "${green}Setting up Let's Encrypt IP certificate (shortlived profile)...${plain}"
echo -e "${yellow}Note: IP certificates are valid for ~6 days and will auto-renew.${plain}"
echo -e "${yellow}Default listener is port 80. If you choose another port, ensure external port 80 forwards to it.${plain}"
# Check for acme.sh
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
install_acme
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
fi
fi
# Validate IP address
if [[ -z "$ipv4" ]]; then
echo -e "${red}IPv4 address is required${plain}"
return 1
fi
if ! is_ipv4 "$ipv4"; then
echo -e "${red}Invalid IPv4 address: $ipv4${plain}"
return 1
fi
# Create certificate directory
local certDir="/root/cert/ip"
mkdir -p "$certDir"
# Build domain arguments
local domain_args="-d ${ipv4}"
if [[ -n "$ipv6" ]] && is_ipv6 "$ipv6"; then
domain_args="${domain_args} -d ${ipv6}"
echo -e "${green}Including IPv6 address: ${ipv6}${plain}"
fi
# Set reload command for auto-renewal (add || true so it doesn't fail if service stopped)
local reloadCmd="systemctl restart x-ui 2>/dev/null || rc-service x-ui restart 2>/dev/null || true"
# Choose port for HTTP-01 listener (default 80, prompt override)
local WebPort=""
read -rp "Port to use for ACME HTTP-01 listener (default 80): " WebPort
WebPort="${WebPort:-80}"
if ! [[ "${WebPort}" =~ ^[0-9]+$ ]] || ((WebPort < 1 || WebPort > 65535)); then
echo -e "${red}Invalid port provided. Falling back to 80.${plain}"
WebPort=80
fi
echo -e "${green}Using port ${WebPort} for standalone validation.${plain}"
if [[ "${WebPort}" -ne 80 ]]; then
echo -e "${yellow}Reminder: Let's Encrypt still connects on port 80; forward external port 80 to ${WebPort}.${plain}"
fi
# Ensure chosen port is available
while true; do
if is_port_in_use "${WebPort}"; then
echo -e "${yellow}Port ${WebPort} is currently in use.${plain}"
local alt_port=""
read -rp "Enter another port for acme.sh standalone listener (leave empty to abort): " alt_port
alt_port="${alt_port// /}"
if [[ -z "${alt_port}" ]]; then
echo -e "${red}Port ${WebPort} is busy; cannot proceed.${plain}"
return 1
fi
if ! [[ "${alt_port}" =~ ^[0-9]+$ ]] || ((alt_port < 1 || alt_port > 65535)); then
echo -e "${red}Invalid port provided.${plain}"
return 1
fi
WebPort="${alt_port}"
continue
else
echo -e "${green}Port ${WebPort} is free and ready for standalone validation.${plain}"
break
fi
done
# Issue certificate with shortlived profile
echo -e "${green}Issuing IP certificate for ${ipv4}...${plain}"
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force >/dev/null 2>&1
~/.acme.sh/acme.sh --issue \
${domain_args} \
--standalone \
--server letsencrypt \
--certificate-profile shortlived \
--days 6 \
--httpport ${WebPort} \
--force
if [ $? -ne 0 ]; then
echo -e "${red}Failed to issue IP certificate${plain}"
echo -e "${yellow}Please ensure port ${WebPort} is reachable (or forwarded from external port 80)${plain}"
# Cleanup acme.sh data for both IPv4 and IPv6 if specified
rm -rf ~/.acme.sh/${ipv4} 2>/dev/null
[[ -n "$ipv6" ]] && rm -rf ~/.acme.sh/${ipv6} 2>/dev/null
rm -rf ${certDir} 2>/dev/null
return 1
fi
echo -e "${green}Certificate issued successfully, installing...${plain}"
# Install certificate
# Note: acme.sh may report "Reload error" and exit non-zero if reloadcmd fails,
# but the cert files are still installed. We check for files instead of exit code.
~/.acme.sh/acme.sh --installcert -d ${ipv4} \
--key-file "${certDir}/privkey.pem" \
--fullchain-file "${certDir}/fullchain.pem" \
--reloadcmd "${reloadCmd}" 2>&1 || true
# Verify certificate files exist (don't rely on exit code - reloadcmd failure causes non-zero)
if [[ ! -f "${certDir}/fullchain.pem" || ! -f "${certDir}/privkey.pem" ]]; then
echo -e "${red}Certificate files not found after installation${plain}"
# Cleanup acme.sh data for both IPv4 and IPv6 if specified
rm -rf ~/.acme.sh/${ipv4} 2>/dev/null
[[ -n "$ipv6" ]] && rm -rf ~/.acme.sh/${ipv6} 2>/dev/null
rm -rf ${certDir} 2>/dev/null
return 1
fi
echo -e "${green}Certificate files installed successfully${plain}"
# Enable auto-upgrade for acme.sh (ensures cron job runs)
~/.acme.sh/acme.sh --upgrade --auto-upgrade >/dev/null 2>&1
chmod 600 ${certDir}/privkey.pem 2>/dev/null
chmod 644 ${certDir}/fullchain.pem 2>/dev/null
# Configure panel to use the certificate
echo -e "${green}Setting certificate paths for the panel...${plain}"
${xui_folder}/x-ui cert -webCert "${certDir}/fullchain.pem" -webCertKey "${certDir}/privkey.pem"
if [ $? -ne 0 ]; then
echo -e "${yellow}Warning: Could not set certificate paths automatically.${plain}"
echo -e "${yellow}You may need to set them manually in the panel settings.${plain}"
echo -e "${yellow}Cert path: ${certDir}/fullchain.pem${plain}"
echo -e "${yellow}Key path: ${certDir}/privkey.pem${plain}"
else
echo -e "${green}Certificate paths set successfully!${plain}"
fi
echo -e "${green}IP certificate installed and configured successfully!${plain}"
echo -e "${green}Certificate valid for ~6 days, auto-renews via acme.sh cron job.${plain}"
echo -e "${yellow}Panel will automatically restart after each renewal.${plain}"
return 0
}
# Comprehensive manual SSL certificate issuance via acme.sh
ssl_cert_issue() {
local existing_webBasePath=$(${xui_folder}/x-ui setting -show true | grep 'webBasePath:' | awk -F': ' '{print $2}' | tr -d '[:space:]' | sed 's#^/##')
local existing_port=$(${xui_folder}/x-ui setting -show true | grep 'port:' | awk -F': ' '{print $2}' | tr -d '[:space:]')
# check for acme.sh first
if ! command -v ~/.acme.sh/acme.sh &>/dev/null; then
echo "acme.sh could not be found. Installing now..."
cd ~ || return 1
curl -s https://get.acme.sh | sh
if [ $? -ne 0 ]; then
echo -e "${red}Failed to install acme.sh${plain}"
return 1
else
echo -e "${green}acme.sh installed successfully${plain}"
fi
fi
# get the domain here, and we need to verify it
local domain=""
while true; do
read -rp "Please enter your domain name: " domain
domain="${domain// /}" # Trim whitespace
if [[ -z "$domain" ]]; then
echo -e "${red}Domain name cannot be empty. Please try again.${plain}"
continue
fi
if ! is_domain "$domain"; then
echo -e "${red}Invalid domain format: ${domain}. Please enter a valid domain name.${plain}"
continue
fi
break
done
echo -e "${green}Your domain is: ${domain}, checking it...${plain}"
# check if there already exists a certificate
local currentCert=$(~/.acme.sh/acme.sh --list | tail -1 | awk '{print $1}')
if [ "${currentCert}" == "${domain}" ]; then
local certInfo=$(~/.acme.sh/acme.sh --list)
echo -e "${red}System already has certificates for this domain. Cannot issue again.${plain}"
echo -e "${yellow}Current certificate details:${plain}"
echo "$certInfo"
return 1
else
echo -e "${green}Your domain is ready for issuing certificates now...${plain}"
fi
# create a directory for the certificate
certPath="/root/cert/${domain}"
if [ ! -d "$certPath" ]; then
mkdir -p "$certPath"
else
rm -rf "$certPath"
mkdir -p "$certPath"
fi
# get the port number for the standalone server
local WebPort=80
read -rp "Please choose which port to use (default is 80): " WebPort
if [[ ${WebPort} -gt 65535 || ${WebPort} -lt 1 ]]; then
echo -e "${yellow}Your input ${WebPort} is invalid, will use default port 80.${plain}"
WebPort=80
fi
echo -e "${green}Will use port: ${WebPort} to issue certificates. Please make sure this port is open.${plain}"
# Stop panel temporarily
echo -e "${yellow}Stopping panel temporarily...${plain}"
systemctl stop x-ui 2>/dev/null || rc-service x-ui stop 2>/dev/null
# issue the certificate
~/.acme.sh/acme.sh --set-default-ca --server letsencrypt --force
~/.acme.sh/acme.sh --issue -d ${domain} --listen-v6 --standalone --httpport ${WebPort} --force
if [ $? -ne 0 ]; then
echo -e "${red}Issuing certificate failed, please check logs.${plain}"
rm -rf ~/.acme.sh/${domain}
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
return 1
else
echo -e "${green}Issuing certificate succeeded, installing certificates...${plain}"
fi
# Setup reload command
reloadCmd="systemctl restart x-ui || rc-service x-ui restart"
echo -e "${green}Default --reloadcmd for ACME is: ${yellow}systemctl restart x-ui || rc-service x-ui restart${plain}"
echo -e "${green}This command will run on every certificate issue and renew.${plain}"
read -rp "Would you like to modify --reloadcmd for ACME? (y/n): " setReloadcmd
if [[ "$setReloadcmd" == "y" || "$setReloadcmd" == "Y" ]]; then
echo -e "\n${green}\t1.${plain} Preset: systemctl reload nginx ; systemctl restart x-ui"
echo -e "${green}\t2.${plain} Input your own command"
echo -e "${green}\t0.${plain} Keep default reloadcmd"
read -rp "Choose an option: " choice
case "$choice" in
1)
echo -e "${green}Reloadcmd is: systemctl reload nginx ; systemctl restart x-ui${plain}"
reloadCmd="systemctl reload nginx ; systemctl restart x-ui"
;;
2)
echo -e "${yellow}It's recommended to put x-ui restart at the end${plain}"
read -rp "Please enter your custom reloadcmd: " reloadCmd
echo -e "${green}Reloadcmd is: ${reloadCmd}${plain}"
;;
*)
echo -e "${green}Keeping default reloadcmd${plain}"
;;
esac
fi
# install the certificate
~/.acme.sh/acme.sh --installcert -d ${domain} \
--key-file /root/cert/${domain}/privkey.pem \
--fullchain-file /root/cert/${domain}/fullchain.pem --reloadcmd "${reloadCmd}"
if [ $? -ne 0 ]; then
echo -e "${red}Installing certificate failed, exiting.${plain}"
rm -rf ~/.acme.sh/${domain}
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
return 1
else
echo -e "${green}Installing certificate succeeded, enabling auto renew...${plain}"
fi
# enable auto-renew
~/.acme.sh/acme.sh --upgrade --auto-upgrade
if [ $? -ne 0 ]; then
echo -e "${yellow}Auto renew setup had issues, certificate details:${plain}"
ls -lah /root/cert/${domain}/
chmod 600 $certPath/privkey.pem
chmod 644 $certPath/fullchain.pem
else
echo -e "${green}Auto renew succeeded, certificate details:${plain}"
ls -lah /root/cert/${domain}/
chmod 600 $certPath/privkey.pem
chmod 644 $certPath/fullchain.pem
fi
# Restart panel
systemctl start x-ui 2>/dev/null || rc-service x-ui start 2>/dev/null
# Prompt user to set panel paths after successful certificate installation
read -rp "Would you like to set this certificate for the panel? (y/n): " setPanel
if [[ "$setPanel" == "y" || "$setPanel" == "Y" ]]; then
local webCertFile="/root/cert/${domain}/fullchain.pem"
local webKeyFile="/root/cert/${domain}/privkey.pem"
if [[ -f "$webCertFile" && -f "$webKeyFile" ]]; then
${xui_folder}/x-ui cert -webCert "$webCertFile" -webCertKey "$webKeyFile"
echo -e "${green}Certificate paths set for the panel${plain}"
echo -e "${green}Certificate File: $webCertFile${plain}"
echo -e "${green}Private Key File: $webKeyFile${plain}"
echo ""
echo -e "${green}Access URL: https://${domain}:${existing_port}/${existing_webBasePath}${plain}"
echo -e "${yellow}Panel will restart to apply SSL certificate...${plain}"
systemctl restart x-ui 2>/dev/null || rc-service x-ui restart 2>/dev/null
else
echo -e "${red}Error: Certificate or private key file not found for domain: $domain.${plain}"
fi
else
echo -e "${yellow}Skipping panel path setting.${plain}"
fi
return 0
}
# Unified interactive SSL setup (domain or IP)
# Sets global `SSL_HOST` to the chosen domain/IP
prompt_and_setup_ssl() {
local panel_port="$1"
local web_base_path="$2" # expected without leading slash
local server_ip="$3"
local ssl_choice=""
echo -e "${yellow}Choose SSL certificate setup method:${plain}"
echo -e "${green}1.${plain} Let's Encrypt for Domain (90-day validity, auto-renews)"
echo -e "${green}2.${plain} Let's Encrypt for IP Address (6-day validity, auto-renews)"
echo -e "${green}3.${plain} Custom SSL Certificate (Path to existing files)"
echo -e "${blue}Note:${plain} Options 1 & 2 require port 80 open. Option 3 requires manual paths."
read -rp "Choose an option (default 2 for IP): " ssl_choice
ssl_choice="${ssl_choice// /}" # Trim whitespace
# Default to 2 (IP cert) if input is empty or invalid (not 1 or 3)
if [[ "$ssl_choice" != "1" && "$ssl_choice" != "3" ]]; then
ssl_choice="2"
fi
case "$ssl_choice" in
1)
# User chose Let's Encrypt domain option
echo -e "${green}Using Let's Encrypt for domain certificate...${plain}"
ssl_cert_issue
# Extract the domain that was used from the certificate
local cert_domain=$(~/.acme.sh/acme.sh --list 2>/dev/null | tail -1 | awk '{print $1}')
if [[ -n "${cert_domain}" ]]; then
SSL_HOST="${cert_domain}"
echo -e "${green}✓ SSL certificate configured successfully with domain: ${cert_domain}${plain}"
else
echo -e "${yellow}SSL setup may have completed, but domain extraction failed${plain}"
SSL_HOST="${server_ip}"
fi
;;
2)
# User chose Let's Encrypt IP certificate option
echo -e "${green}Using Let's Encrypt for IP certificate (shortlived profile)...${plain}"
# Ask for optional IPv6
local ipv6_addr=""
read -rp "Do you have an IPv6 address to include? (leave empty to skip): " ipv6_addr
ipv6_addr="${ipv6_addr// /}" # Trim whitespace
# Stop panel if running (port 80 needed)
if [[ $release == "alpine" ]]; then
rc-service x-ui stop >/dev/null 2>&1
else
systemctl stop x-ui >/dev/null 2>&1
fi
setup_ip_certificate "${server_ip}" "${ipv6_addr}"
if [ $? -eq 0 ]; then
SSL_HOST="${server_ip}"
echo -e "${green}✓ Let's Encrypt IP certificate configured successfully${plain}"
else
echo -e "${red}✗ IP certificate setup failed. Please check port 80 is open.${plain}"
SSL_HOST="${server_ip}"
fi
# Restart panel after SSL is configured (restart applies new cert settings)
if [[ $release == "alpine" ]]; then
rc-service x-ui restart >/dev/null 2>&1
else
systemctl restart x-ui >/dev/null 2>&1
fi
;;
3)
# User chose Custom Paths (User Provided) option
echo -e "${green}Using custom existing certificate...${plain}"
local custom_cert=""
local custom_key=""
local custom_domain=""
# 3.1 Request Domain to compose Panel URL later
read -rp "Please enter domain name certificate issued for: " custom_domain
custom_domain="${custom_domain// /}" # Убираем пробелы
# 3.2 Loop for Certificate Path
while true; do
read -rp "Input certificate path (keywords: .crt / fullchain): " custom_cert
# Strip quotes if present
custom_cert=$(echo "$custom_cert" | tr -d '"' | tr -d "'")
if [[ -f "$custom_cert" && -r "$custom_cert" && -s "$custom_cert" ]]; then
break
elif [[ ! -f "$custom_cert" ]]; then
echo -e "${red}Error: File does not exist! Try again.${plain}"
elif [[ ! -r "$custom_cert" ]]; then
echo -e "${red}Error: File exists but is not readable (check permissions)!${plain}"
else
echo -e "${red}Error: File is empty!${plain}"
fi
done
# 3.3 Loop for Private Key Path
while true; do
read -rp "Input private key path (keywords: .key / privatekey): " custom_key
# Strip quotes if present
custom_key=$(echo "$custom_key" | tr -d '"' | tr -d "'")
if [[ -f "$custom_key" && -r "$custom_key" && -s "$custom_key" ]]; then
break
elif [[ ! -f "$custom_key" ]]; then
echo -e "${red}Error: File does not exist! Try again.${plain}"
elif [[ ! -r "$custom_key" ]]; then
echo -e "${red}Error: File exists but is not readable (check permissions)!${plain}"
else
echo -e "${red}Error: File is empty!${plain}"
fi
done
# 3.4 Apply Settings via x-ui binary
${xui_folder}/x-ui cert -webCert "$custom_cert" -webCertKey "$custom_key" >/dev/null 2>&1
# Set SSL_HOST for composing Panel URL
if [[ -n "$custom_domain" ]]; then
SSL_HOST="$custom_domain"
else
SSL_HOST="${server_ip}"
fi
echo -e "${green}✓ Custom certificate paths applied.${plain}"
echo -e "${yellow}Note: You are responsible for renewing these files externally.${plain}"
systemctl restart x-ui >/dev/null 2>&1 || rc-service x-ui restart >/dev/null 2>&1
;;
*)
echo -e "${red}Invalid option. Skipping SSL setup.${plain}"
SSL_HOST="${server_ip}"
;;
esac
}
config_after_update() {
echo -e "${yellow}x-ui settings:${plain}"
${xui_folder}/x-ui setting -show true
${xui_folder}/x-ui migrate
# Properly detect empty cert by checking if cert: line exists and has content after it
local existing_cert=$(${xui_folder}/x-ui setting -getCert true 2>/dev/null | grep 'cert:' | awk -F': ' '{print $2}' | tr -d '[:space:]')
local existing_port=$(${xui_folder}/x-ui setting -show true | grep -Eo 'port: .+' | awk '{print $2}')
local existing_webBasePath=$(${xui_folder}/x-ui setting -show true | grep -Eo 'webBasePath: .+' | awk '{print $2}' | sed 's#^/##')
# Get server IP
local URL_lists=(
"https://api4.ipify.org"
"https://ipv4.icanhazip.com"
"https://v4.api.ipinfo.io/ip"
"https://ipv4.myexternalip.com/raw"
"https://4.ident.me"
"https://check-host.net/ip"
)
local server_ip=""
for ip_address in "${URL_lists[@]}"; do
local response=$(curl -s -w "\n%{http_code}" --max-time 3 "${ip_address}" 2>/dev/null)
local http_code=$(echo "$response" | tail -n1)
local ip_result=$(echo "$response" | head -n-1 | tr -d '[:space:]')
if [[ "${http_code}" == "200" && -n "${ip_result}" ]]; then
server_ip="${ip_result}"
break
fi
done
# Handle missing/short webBasePath
if [[ ${#existing_webBasePath} -lt 4 ]]; then
echo -e "${yellow}WebBasePath is missing or too short. Generating a new one...${plain}"
local config_webBasePath=$(gen_random_string 18)
${xui_folder}/x-ui setting -webBasePath "${config_webBasePath}"
existing_webBasePath="${config_webBasePath}"
echo -e "${green}New WebBasePath: ${config_webBasePath}${plain}"
fi
# Check and prompt for SSL if missing
if [[ -z "$existing_cert" ]]; then
echo ""
echo -e "${red}═══════════════════════════════════════════${plain}"
echo -e "${red} ⚠ NO SSL CERTIFICATE DETECTED ⚠ ${plain}"
echo -e "${red}═══════════════════════════════════════════${plain}"
echo -e "${yellow}For security, SSL certificate is MANDATORY for all panels.${plain}"
echo -e "${yellow}Let's Encrypt now supports both domains and IP addresses!${plain}"
echo ""
if [[ -z "${server_ip}" ]]; then
echo -e "${red}Failed to detect server IP${plain}"
echo -e "${yellow}Please configure SSL manually using: x-ui${plain}"
return
fi
# Prompt and setup SSL (domain or IP)
prompt_and_setup_ssl "${existing_port}" "${existing_webBasePath}" "${server_ip}"
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} Panel Access Information ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green}Access URL: https://${SSL_HOST}:${existing_port}/${existing_webBasePath}${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${yellow}⚠ SSL Certificate: Enabled and configured${plain}"
else
echo -e "${green}SSL certificate is already configured${plain}"
# Show access URL with existing certificate
local cert_domain=$(basename "$(dirname "$existing_cert")")
echo ""
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green} Panel Access Information ${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
echo -e "${green}Access URL: https://${cert_domain}:${existing_port}/${existing_webBasePath}${plain}"
echo -e "${green}═══════════════════════════════════════════${plain}"
fi
}
update_x-ui() {
cd ${xui_folder%/x-ui}/
if [ -f "${xui_folder}/x-ui" ]; then
current_xui_version=$(${xui_folder}/x-ui -v)
echo -e "${green}Current x-ui version: ${current_xui_version}${plain}"
else
_fail "ERROR: Current x-ui version: unknown"
fi
echo -e "${green}Downloading new x-ui version...${plain}"
tag_version=$(${curl_bin} -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" 2>/dev/null | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
if [[ ! -n "$tag_version" ]]; then
echo -e "${yellow}Trying to fetch version with IPv4...${plain}"
tag_version=$(${curl_bin} -4 -Ls "https://api.github.com/repos/MHSanaei/3x-ui/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
if [[ ! -n "$tag_version" ]]; then
_fail "ERROR: Failed to fetch x-ui version, it may be due to GitHub API restrictions, please try it later"
fi
fi
echo -e "Got x-ui latest version: ${tag_version}, beginning the installation..."
${curl_bin} -fLRo ${xui_folder}-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz 2>/dev/null
if [[ $? -ne 0 ]]; then
echo -e "${yellow}Trying to fetch version with IPv4...${plain}"
${curl_bin} -4fLRo ${xui_folder}-linux-$(arch).tar.gz https://github.com/MHSanaei/3x-ui/releases/download/${tag_version}/x-ui-linux-$(arch).tar.gz 2>/dev/null
if [[ $? -ne 0 ]]; then
_fail "ERROR: Failed to download x-ui, please be sure that your server can access GitHub"
fi
fi
if [[ -e ${xui_folder}/ ]]; then
echo -e "${green}Stopping x-ui...${plain}"
if [[ $release == "alpine" ]]; then
if [ -f "/etc/init.d/x-ui" ]; then
rc-service x-ui stop >/dev/null 2>&1
rc-update del x-ui >/dev/null 2>&1
echo -e "${green}Removing old service unit version...${plain}"
rm -f /etc/init.d/x-ui >/dev/null 2>&1
else
rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
_fail "ERROR: x-ui service unit not installed."
fi
else
if [ -f "${xui_service}/x-ui.service" ]; then
systemctl stop x-ui >/dev/null 2>&1
systemctl disable x-ui >/dev/null 2>&1
echo -e "${green}Removing old systemd unit version...${plain}"
rm ${xui_service}/x-ui.service -f >/dev/null 2>&1
systemctl daemon-reload >/dev/null 2>&1
else
rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
_fail "ERROR: x-ui systemd unit not installed."
fi
fi
echo -e "${green}Removing old x-ui version...${plain}"
rm ${xui_folder} -f >/dev/null 2>&1
rm ${xui_folder}/x-ui.service -f >/dev/null 2>&1
rm ${xui_folder}/x-ui.service.debian -f >/dev/null 2>&1
rm ${xui_folder}/x-ui.service.arch -f >/dev/null 2>&1
rm ${xui_folder}/x-ui.service.rhel -f >/dev/null 2>&1
rm ${xui_folder}/x-ui -f >/dev/null 2>&1
rm ${xui_folder}/x-ui.sh -f >/dev/null 2>&1
echo -e "${green}Removing old xray version...${plain}"
rm ${xui_folder}/bin/xray-linux-amd64 -f >/dev/null 2>&1
echo -e "${green}Removing old README and LICENSE file...${plain}"
rm ${xui_folder}/bin/README.md -f >/dev/null 2>&1
rm ${xui_folder}/bin/LICENSE -f >/dev/null 2>&1
else
rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
_fail "ERROR: x-ui not installed."
fi
echo -e "${green}Installing new x-ui version...${plain}"
tar zxvf x-ui-linux-$(arch).tar.gz >/dev/null 2>&1
rm x-ui-linux-$(arch).tar.gz -f >/dev/null 2>&1
cd x-ui >/dev/null 2>&1
chmod +x x-ui >/dev/null 2>&1
# Check the system's architecture and rename the file accordingly
if [[ $(arch) == "armv5" || $(arch) == "armv6" || $(arch) == "armv7" ]]; then
mv bin/xray-linux-$(arch) bin/xray-linux-arm >/dev/null 2>&1
chmod +x bin/xray-linux-arm >/dev/null 2>&1
fi
chmod +x x-ui bin/xray-linux-$(arch) >/dev/null 2>&1
echo -e "${green}Downloading and installing x-ui.sh script...${plain}"
${curl_bin} -fLRo /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
echo -e "${yellow}Trying to fetch x-ui with IPv4...${plain}"
${curl_bin} -4fLRo /usr/bin/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.sh >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
_fail "ERROR: Failed to download x-ui.sh script, please be sure that your server can access GitHub"
fi
fi
chmod +x ${xui_folder}/x-ui.sh >/dev/null 2>&1
chmod +x /usr/bin/x-ui >/dev/null 2>&1
mkdir -p /var/log/x-ui >/dev/null 2>&1
echo -e "${green}Changing owner...${plain}"
chown -R root:root ${xui_folder} >/dev/null 2>&1
if [ -f "${xui_folder}/bin/config.json" ]; then
echo -e "${green}Changing on config file permissions...${plain}"
chmod 640 ${xui_folder}/bin/config.json >/dev/null 2>&1
fi
if [[ $release == "alpine" ]]; then
echo -e "${green}Downloading and installing startup unit x-ui.rc...${plain}"
${curl_bin} -fLRo /etc/init.d/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.rc >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
${curl_bin} -4fLRo /etc/init.d/x-ui https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.rc >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
_fail "ERROR: Failed to download startup unit x-ui.rc, please be sure that your server can access GitHub"
fi
fi
chmod +x /etc/init.d/x-ui >/dev/null 2>&1
chown root:root /etc/init.d/x-ui >/dev/null 2>&1
rc-update add x-ui >/dev/null 2>&1
rc-service x-ui start >/dev/null 2>&1
else
if [ -f "x-ui.service" ]; then
echo -e "${green}Installing systemd unit...${plain}"
cp -f x-ui.service ${xui_service}/ >/dev/null 2>&1
if [[ $? -ne 0 ]]; then
echo -e "${red}Failed to copy x-ui.service${plain}"
exit 1
fi
else
service_installed=false
case "${release}" in
ubuntu | debian | armbian)
if [ -f "x-ui.service.debian" ]; then
echo -e "${green}Installing debian-like systemd unit...${plain}"
cp -f x-ui.service.debian ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
arch | manjaro | parch)
if [ -f "x-ui.service.arch" ]; then
echo -e "${green}Installing arch-like systemd unit...${plain}"
cp -f x-ui.service.arch ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
*)
if [ -f "x-ui.service.rhel" ]; then
echo -e "${green}Installing rhel-like systemd unit...${plain}"
cp -f x-ui.service.rhel ${xui_service}/x-ui.service >/dev/null 2>&1
if [[ $? -eq 0 ]]; then
service_installed=true
fi
fi
;;
esac
# If service file not found in tar.gz, download from GitHub
if [ "$service_installed" = false ]; then
echo -e "${yellow}Service files not found in tar.gz, downloading from GitHub...${plain}"
case "${release}" in
ubuntu | debian | armbian)
${curl_bin} -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.debian >/dev/null 2>&1
;;
arch | manjaro | parch)
${curl_bin} -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.arch >/dev/null 2>&1
;;
*)
${curl_bin} -4fLRo ${xui_service}/x-ui.service https://raw.githubusercontent.com/MHSanaei/3x-ui/main/x-ui.service.rhel >/dev/null 2>&1
;;
esac
if [[ $? -ne 0 ]]; then
echo -e "${red}Failed to install x-ui.service from GitHub${plain}"
exit 1
fi
fi
fi
chown root:root ${xui_service}/x-ui.service >/dev/null 2>&1
chmod 644 ${xui_service}/x-ui.service >/dev/null 2>&1
systemctl daemon-reload >/dev/null 2>&1
systemctl enable x-ui >/dev/null 2>&1
systemctl start x-ui >/dev/null 2>&1
fi
config_after_update
echo -e "${green}x-ui ${tag_version}${plain} updating finished, it is running now..."
echo -e ""
echo -e "┌───────────────────────────────────────────────────────┐
│ ${blue}x-ui control menu usages (subcommands):${plain} │
│ │
│ ${blue}x-ui${plain} - Admin Management Script │
│ ${blue}x-ui start${plain} - Start │
│ ${blue}x-ui stop${plain} - Stop │
│ ${blue}x-ui restart${plain} - Restart │
│ ${blue}x-ui status${plain} - Current Status │
│ ${blue}x-ui settings${plain} - Current Settings │
│ ${blue}x-ui enable${plain} - Enable Autostart on OS Startup │
│ ${blue}x-ui disable${plain} - Disable Autostart on OS Startup │
│ ${blue}x-ui log${plain} - Check logs │
│ ${blue}x-ui banlog${plain} - Check Fail2ban ban logs │
│ ${blue}x-ui update${plain} - Update │
│ ${blue}x-ui legacy${plain} - Legacy version │
│ ${blue}x-ui install${plain} - Install │
│ ${blue}x-ui uninstall${plain} - Uninstall │
└───────────────────────────────────────────────────────┘"
}
echo -e "${green}Running...${plain}"
install_base
update_x-ui $1
================================================
FILE: util/common/err.go
================================================
// Package common provides common utility functions for error handling, formatting, and multi-error management.
package common
import (
"errors"
"fmt"
"github.com/mhsanaei/3x-ui/v2/logger"
)
// NewErrorf creates a new error with formatted message.
func NewErrorf(format string, a ...any) error {
msg := fmt.Sprintf(format, a...)
return errors.New(msg)
}
// NewError creates a new error from the given arguments.
func NewError(a ...any) error {
msg := fmt.Sprintln(a...)
return errors.New(msg)
}
// Recover handles panic recovery and logs the panic error if a message is provided.
func Recover(msg string) any {
panicErr := recover()
if panicErr != nil {
if msg != "" {
logger.Error(msg, "panic:", panicErr)
}
}
return panicErr
}
================================================
FILE: util/common/format.go
================================================
package common
import (
"fmt"
)
// FormatTraffic formats traffic bytes into human-readable units (B, KB, MB, GB, TB, PB).
func FormatTraffic(trafficBytes int64) string {
units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
unitIndex := 0
size := float64(trafficBytes)
for size >= 1024 && unitIndex < len(units)-1 {
size /= 1024
unitIndex++
}
return fmt.Sprintf("%.2f%s", size, units[unitIndex])
}
================================================
FILE: util/common/multi_error.go
================================================
package common
import (
"strings"
)
// multiError represents a collection of errors.
type multiError []error
// Error returns a string representation of all errors joined with " | ".
func (e multiError) Error() string {
var r strings.Builder
r.WriteString("multierr: ")
for _, err := range e {
r.WriteString(err.Error())
r.WriteString(" | ")
}
return r.String()
}
// Combine combines multiple errors into a single error, filtering out nil errors.
func Combine(maybeError ...error) error {
var errs multiError
for _, err := range maybeError {
if err != nil {
errs = append(errs, err)
}
}
if len(errs) == 0 {
return nil
}
return errs
}
================================================
FILE: util/crypto/crypto.go
================================================
// Package crypto provides cryptographic utilities for password hashing and verification.
package crypto
import (
"golang.org/x/crypto/bcrypt"
)
// HashPasswordAsBcrypt generates a bcrypt hash of the given password.
func HashPasswordAsBcrypt(password string) (string, error) {
hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
return string(hash), err
}
// CheckPasswordHash verifies if the given password matches the bcrypt hash.
func CheckPasswordHash(hash, password string) bool {
return bcrypt.CompareHashAndPassword([]byte(hash), []byte(password)) == nil
}
================================================
FILE: util/json_util/json.go
================================================
// Package json_util provides JSON utilities including a custom RawMessage type.
package json_util
import (
"errors"
)
// RawMessage is a custom JSON raw message type that marshals empty slices as "null".
type RawMessage []byte
// MarshalJSON customizes the JSON marshaling behavior for RawMessage.
// Empty RawMessage values are marshaled as "null" instead of "[]".
func (m RawMessage) MarshalJSON() ([]byte, error) {
if len(m) == 0 {
return []byte("null"), nil
}
return m, nil
}
// UnmarshalJSON sets *m to a copy of the JSON data.
func (m *RawMessage) UnmarshalJSON(data []byte) error {
if m == nil {
return errors.New("json.RawMessage: UnmarshalJSON on nil pointer")
}
*m = append((*m)[0:0], data...)
return nil
}
================================================
FILE: util/ldap/ldap.go
================================================
package ldaputil
import (
"crypto/tls"
"fmt"
"github.com/go-ldap/ldap/v3"
)
type Config struct {
Host string
Port int
UseTLS bool
BindDN string
Password string
BaseDN string
UserFilter string
UserAttr string
FlagField string
TruthyVals []string
Invert bool
}
// FetchVlessFlags returns map[email]enabled
func FetchVlessFlags(cfg Config) (map[string]bool, error) {
addr := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
scheme := "ldap"
if cfg.UseTLS {
scheme = "ldaps"
}
ldapURL := fmt.Sprintf("%s://%s", scheme, addr)
var opts []ldap.DialOpt
if cfg.UseTLS {
opts = append(opts, ldap.DialWithTLSConfig(&tls.Config{
InsecureSkipVerify: false,
}))
}
conn, err := ldap.DialURL(ldapURL, opts...)
if err != nil {
return nil, err
}
defer conn.Close()
if cfg.BindDN != "" {
if err := conn.Bind(cfg.BindDN, cfg.Password); err != nil {
return nil, err
}
}
if cfg.UserFilter == "" {
cfg.UserFilter = "(objectClass=person)"
}
if cfg.UserAttr == "" {
cfg.UserAttr = "mail"
}
// if field not set we fallback to legacy vless_enabled
if cfg.FlagField == "" {
cfg.FlagField = "vless_enabled"
}
req := ldap.NewSearchRequest(
cfg.BaseDN,
ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
cfg.UserFilter,
[]string{cfg.UserAttr, cfg.FlagField},
nil,
)
res, err := conn.Search(req)
if err != nil {
return nil, err
}
result := make(map[string]bool, len(res.Entries))
for _, e := range res.Entries {
user := e.GetAttributeValue(cfg.UserAttr)
if user == "" {
continue
}
val := e.GetAttributeValue(cfg.FlagField)
enabled := false
for _, t := range cfg.TruthyVals {
if val == t {
enabled = true
break
}
}
if cfg.Invert {
enabled = !enabled
}
result[user] = enabled
}
return result, nil
}
// AuthenticateUser searches user by cfg.UserAttr and attempts to bind with provided password.
func AuthenticateUser(cfg Config, username, password string) (bool, error) {
addr := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
scheme := "ldap"
if cfg.UseTLS {
scheme = "ldaps"
}
ldapURL := fmt.Sprintf("%s://%s", scheme, addr)
var opts []ldap.DialOpt
if cfg.UseTLS {
opts = append(opts, ldap.DialWithTLSConfig(&tls.Config{
InsecureSkipVerify: false,
}))
}
conn, err := ldap.DialURL(ldapURL, opts...)
if err != nil {
return false, err
}
defer conn.Close()
// Optional initial bind for search
if cfg.BindDN != "" {
if err := conn.Bind(cfg.BindDN, cfg.Password); err != nil {
return false, err
}
}
if cfg.UserFilter == "" {
cfg.UserFilter = "(objectClass=person)"
}
if cfg.UserAttr == "" {
cfg.UserAttr = "uid"
}
// Build filter to find specific user
filter := fmt.Sprintf("(&%s(%s=%s))", cfg.UserFilter, cfg.UserAttr, ldap.EscapeFilter(username))
req := ldap.NewSearchRequest(
cfg.BaseDN,
ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 1, 0, false,
filter,
[]string{"dn"},
nil,
)
res, err := conn.Search(req)
if err != nil {
return false, err
}
if len(res.Entries) == 0 {
return false, nil
}
userDN := res.Entries[0].DN
// Try to bind as the user
if err := conn.Bind(userDN, password); err != nil {
return false, nil
}
return true, nil
}
================================================
FILE: util/random/random.go
================================================
// Package random provides utilities for generating random strings and numbers.
package random
import (
"crypto/rand"
"math/big"
)
var (
numSeq [10]rune
lowerSeq [26]rune
upperSeq [26]rune
numLowerSeq [36]rune
numUpperSeq [36]rune
allSeq [62]rune
)
// init initializes the character sequences used for random string generation.
// It sets up arrays for numbers, lowercase letters, uppercase letters, and combinations.
func init() {
for i := range 10 {
numSeq[i] = rune('0' + i)
}
for i := range 26 {
lowerSeq[i] = rune('a' + i)
upperSeq[i] = rune('A' + i)
}
copy(numLowerSeq[:], numSeq[:])
copy(numLowerSeq[len(numSeq):], lowerSeq[:])
copy(numUpperSeq[:], numSeq[:])
copy(numUpperSeq[len(numSeq):], upperSeq[:])
copy(allSeq[:], numSeq[:])
copy(allSeq[len(numSeq):], lowerSeq[:])
copy(allSeq[len(numSeq)+len(lowerSeq):], upperSeq[:])
}
// Seq generates a random string of length n containing alphanumeric characters (numbers, lowercase and uppercase letters).
func Seq(n int) string {
runes := make([]rune, n)
for i := range n {
idx, err := rand.Int(rand.Reader, big.NewInt(int64(len(allSeq))))
if err != nil {
panic("crypto/rand failed: " + err.Error())
}
runes[i] = allSeq[idx.Int64()]
}
return string(runes)
}
// Num generates a random integer between 0 and n-1.
func Num(n int) int {
bn := big.NewInt(int64(n))
r, err := rand.Int(rand.Reader, bn)
if err != nil {
panic("crypto/rand failed: " + err.Error())
}
return int(r.Int64())
}
================================================
FILE: util/reflect_util/reflect.go
================================================
// Package reflect_util provides reflection utilities for working with struct fields and values.
package reflect_util
import "reflect"
// GetFields returns all struct fields of the given reflect.Type.
func GetFields(t reflect.Type) []reflect.StructField {
num := t.NumField()
fields := make([]reflect.StructField, 0, num)
for i := range num {
fields = append(fields, t.Field(i))
}
return fields
}
// GetFieldValues returns all field values of the given reflect.Value.
func GetFieldValues(v reflect.Value) []reflect.Value {
num := v.NumField()
fields := make([]reflect.Value, 0, num)
for i := range num {
fields = append(fields, v.Field(i))
}
return fields
}
================================================
FILE: util/sys/psutil.go
================================================
// Package sys provides system utilities for monitoring network connections and CPU usage.
// Platform-specific implementations are provided for Windows, Linux, and macOS.
package sys
import (
_ "unsafe"
)
//go:linkname HostProc github.com/shirou/gopsutil/v4/internal/common.HostProc
func HostProc(combineWith ...string) string
================================================
FILE: util/sys/sys_darwin.go
================================================
//go:build darwin
// +build darwin
package sys
import (
"encoding/binary"
"fmt"
"sync"
"syscall"
"github.com/shirou/gopsutil/v4/net"
"golang.org/x/sys/unix"
)
var SIGUSR1 = syscall.SIGUSR1
func GetTCPCount() (int, error) {
stats, err := net.Connections("tcp")
if err != nil {
return 0, err
}
return len(stats), nil
}
func GetUDPCount() (int, error) {
stats, err := net.Connections("udp")
if err != nil {
return 0, err
}
return len(stats), nil
}
// --- CPU Utilization (macOS native) ---
// sysctl kern.cp_time returns an array of 5 longs: user, nice, sys, idle, intr.
// We compute utilization deltas without cgo.
var (
cpuMu sync.Mutex
lastTotals [5]uint64
hasLastCPUT bool
)
func CPUPercentRaw() (float64, error) {
raw, err := unix.SysctlRaw("kern.cp_time")
if err != nil {
return 0, err
}
// Expect either 5*8 bytes (uint64) or 5*4 bytes (uint32)
var out [5]uint64
switch len(raw) {
case 5 * 8:
for i := range 5 {
out[i] = binary.LittleEndian.Uint64(raw[i*8 : (i+1)*8])
}
case 5 * 4:
for i := range 5 {
out[i] = uint64(binary.LittleEndian.Uint32(raw[i*4 : (i+1)*4]))
}
default:
return 0, fmt.Errorf("unexpected kern.cp_time size: %d", len(raw))
}
// user, nice, sys, idle, intr
user := out[0]
nice := out[1]
sysv := out[2]
idle := out[3]
intr := out[4]
cpuMu.Lock()
defer cpuMu.Unlock()
if !hasLastCPUT {
lastTotals = out
hasLastCPUT = true
return 0, nil
}
dUser := user - lastTotals[0]
dNice := nice - lastTotals[1]
dSys := sysv - lastTotals[2]
dIdle := idle - lastTotals[3]
dIntr := intr - lastTotals[4]
lastTotals = out
totald := dUser + dNice + dSys + dIdle + dIntr
if totald == 0 {
return 0, nil
}
busy := totald - dIdle
pct := float64(busy) / float64(totald) * 100.0
if pct > 100 {
pct = 100
}
return pct, nil
}
================================================
FILE: util/sys/sys_linux.go
================================================
//go:build linux
// +build linux
package sys
import (
"bufio"
"bytes"
"fmt"
"io"
"os"
"strconv"
"strings"
"sync"
"syscall"
)
var SIGUSR1 = syscall.SIGUSR1
func getLinesNum(filename string) (int, error) {
file, err := os.Open(filename)
if err != nil {
return 0, err
}
defer file.Close()
sum := 0
buf := make([]byte, 8192)
for {
n, err := file.Read(buf)
var buffPosition int
for {
i := bytes.IndexByte(buf[buffPosition:n], '\n')
if i < 0 {
break
}
buffPosition += i + 1
sum++
}
if err == io.EOF {
break
} else if err != nil {
return 0, err
}
}
return sum, nil
}
// GetTCPCount returns the number of active TCP connections by reading
// /proc/net/tcp and /proc/net/tcp6 when available.
func GetTCPCount() (int, error) {
root := HostProc()
tcp4, err := safeGetLinesNum(fmt.Sprintf("%v/net/tcp", root))
if err != nil {
return 0, err
}
tcp6, err := safeGetLinesNum(fmt.Sprintf("%v/net/tcp6", root))
if err != nil {
return 0, err
}
return tcp4 + tcp6, nil
}
func GetUDPCount() (int, error) {
root := HostProc()
udp4, err := safeGetLinesNum(fmt.Sprintf("%v/net/udp", root))
if err != nil {
return 0, err
}
udp6, err := safeGetLinesNum(fmt.Sprintf("%v/net/udp6", root))
if err != nil {
return 0, err
}
return udp4 + udp6, nil
}
// safeGetLinesNum returns 0 if the file does not exist, otherwise forwards
// to getLinesNum to count the number of lines.
func safeGetLinesNum(path string) (int, error) {
if _, err := os.Stat(path); os.IsNotExist(err) {
return 0, nil
} else if err != nil {
return 0, err
}
return getLinesNum(path)
}
// --- CPU Utilization (Linux native) ---
var (
cpuMu sync.Mutex
lastTotal uint64
lastIdleAll uint64
hasLast bool
)
// CPUPercentRaw returns instantaneous total CPU utilization by reading /proc/stat.
// First call initializes and returns 0; subsequent calls return busy/total * 100.
func CPUPercentRaw() (float64, error) {
f, err := os.Open("/proc/stat")
if err != nil {
return 0, err
}
defer f.Close()
rd := bufio.NewReader(f)
line, err := rd.ReadString('\n')
if err != nil && err != io.EOF {
return 0, err
}
// Expect line like: cpu user nice system idle iowait irq softirq steal guest guest_nice
fields := strings.Fields(line)
if len(fields) < 5 || fields[0] != "cpu" {
return 0, fmt.Errorf("unexpected /proc/stat format")
}
var nums []uint64
for i := 1; i < len(fields); i++ {
v, err := strconv.ParseUint(fields[i], 10, 64)
if err != nil {
break
}
nums = append(nums, v)
}
if len(nums) < 4 { // need at least user,nice,system,idle
return 0, fmt.Errorf("insufficient cpu fields")
}
// Conform with standard Linux CPU accounting
var user, nice, system, idle, iowait, irq, softirq, steal uint64
user = nums[0]
if len(nums) > 1 {
nice = nums[1]
}
if len(nums) > 2 {
system = nums[2]
}
if len(nums) > 3 {
idle = nums[3]
}
if len(nums) > 4 {
iowait = nums[4]
}
if len(nums) > 5 {
irq = nums[5]
}
if len(nums) > 6 {
softirq = nums[6]
}
if len(nums) > 7 {
steal = nums[7]
}
idleAll := idle + iowait
nonIdle := user + nice + system + irq + softirq + steal
total := idleAll + nonIdle
cpuMu.Lock()
defer cpuMu.Unlock()
if !hasLast {
lastTotal = total
lastIdleAll = idleAll
hasLast = true
return 0, nil
}
totald := total - lastTotal
idled := idleAll - lastIdleAll
lastTotal = total
lastIdleAll = idleAll
if totald == 0 {
return 0, nil
}
busy := totald - idled
pct := float64(busy) / float64(totald) * 100.0
if pct > 100 {
pct = 100
}
return pct, nil
}
================================================
FILE: util/sys/sys_windows.go
================================================
//go:build windows
// +build windows
package sys
import (
"errors"
"sync"
"syscall"
"unsafe"
"github.com/shirou/gopsutil/v4/net"
)
var SIGUSR1 = syscall.Signal(0)
// GetConnectionCount returns the number of active connections for the specified protocol ("tcp" or "udp").
func GetConnectionCount(proto string) (int, error) {
if proto != "tcp" && proto != "udp" {
return 0, errors.New("invalid protocol")
}
stats, err := net.Connections(proto)
if err != nil {
return 0, err
}
return len(stats), nil
}
// GetTCPCount returns the number of active TCP connections.
func GetTCPCount() (int, error) {
return GetConnectionCount("tcp")
}
// GetUDPCount returns the number of active UDP connections.
func GetUDPCount() (int, error) {
return GetConnectionCount("udp")
}
// --- CPU Utilization (Windows native) ---
var (
modKernel32 = syscall.NewLazyDLL("kernel32.dll")
procGetSystemTimes = modKernel32.NewProc("GetSystemTimes")
cpuMu sync.Mutex
lastIdle uint64
lastKernel uint64
lastUser uint64
hasLast bool
)
type filetime struct {
LowDateTime uint32
HighDateTime uint32
}
// ftToUint64 converts a Windows FILETIME-like struct to a uint64 for
// arithmetic and delta calculations used by CPUPercentRaw.
func ftToUint64(ft filetime) uint64 {
return (uint64(ft.HighDateTime) << 32) | uint64(ft.LowDateTime)
}
// CPUPercentRaw returns the instantaneous total CPU utilization percentage using
// Windows GetSystemTimes across all logical processors. The first call returns 0
// as it initializes the baseline. Subsequent calls compute deltas.
func CPUPercentRaw() (float64, error) {
var idleFT, kernelFT, userFT filetime
r1, _, e1 := procGetSystemTimes.Call(
uintptr(unsafe.Pointer(&idleFT)),
uintptr(unsafe.Pointer(&kernelFT)),
uintptr(unsafe.Pointer(&userFT)),
)
if r1 == 0 { // failure
if e1 != nil {
return 0, e1
}
return 0, syscall.GetLastError()
}
idle := ftToUint64(idleFT)
kernel := ftToUint64(kernelFT)
user := ftToUint64(userFT)
cpuMu.Lock()
defer cpuMu.Unlock()
if !hasLast {
lastIdle = idle
lastKernel = kernel
lastUser = user
hasLast = true
return 0, nil
}
idleDelta := idle - lastIdle
kernelDelta := kernel - lastKernel
userDelta := user - lastUser
// Update for next call
lastIdle = idle
lastKernel = kernel
lastUser = user
total := kernelDelta + userDelta
if total == 0 {
return 0, nil
}
// On Windows, kernel time includes idle time; busy = total - idle
busy := total - idleDelta
pct := float64(busy) / float64(total) * 100.0
// lower bound not needed; ratios of uint64 are non-negative
if pct > 100 {
pct = 100
}
return pct, nil
}
================================================
FILE: web/assets/codemirror/fold/brace-fold.js
================================================
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
function bracketFolding(pairs) {
return function(cm, start) {
var line = start.line, lineText = cm.getLine(line);
function findOpening(pair) {
var tokenType;
for (var at = start.ch, pass = 0;;) {
var found = at <= 0 ? -1 : lineText.lastIndexOf(pair[0], at - 1);
if (found == -1) {
if (pass == 1) break;
pass = 1;
at = lineText.length;
continue;
}
if (pass == 1 && found < start.ch) break;
tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
if (!/^(comment|string)/.test(tokenType)) return {ch: found + 1, tokenType: tokenType, pair: pair};
at = found - 1;
}
}
function findRange(found) {
var count = 1, lastLine = cm.lastLine(), end, startCh = found.ch, endCh
outer: for (var i = line; i <= lastLine; ++i) {
var text = cm.getLine(i), pos = i == line ? startCh : 0;
for (;;) {
var nextOpen = text.indexOf(found.pair[0], pos), nextClose = text.indexOf(found.pair[1], pos);
if (nextOpen < 0) nextOpen = text.length;
if (nextClose < 0) nextClose = text.length;
pos = Math.min(nextOpen, nextClose);
if (pos == text.length) break;
if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == found.tokenType) {
if (pos == nextOpen) ++count;
else if (!--count) { end = i; endCh = pos; break outer; }
}
++pos;
}
}
if (end == null || line == end) return null
return {from: CodeMirror.Pos(line, startCh),
to: CodeMirror.Pos(end, endCh)};
}
var found = []
for (var i = 0; i < pairs.length; i++) {
var open = findOpening(pairs[i])
if (open) found.push(open)
}
found.sort(function(a, b) { return a.ch - b.ch })
for (var i = 0; i < found.length; i++) {
var range = findRange(found[i])
if (range) return range
}
return null
}
}
CodeMirror.registerHelper("fold", "brace", bracketFolding([["{", "}"], ["[", "]"]]));
CodeMirror.registerHelper("fold", "brace-paren", bracketFolding([["{", "}"], ["[", "]"], ["(", ")"]]));
CodeMirror.registerHelper("fold", "import", function(cm, start) {
function hasImport(line) {
if (line < cm.firstLine() || line > cm.lastLine()) return null;
var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
if (start.type != "keyword" || start.string != "import") return null;
// Now find closing semicolon, return its position
for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
var text = cm.getLine(i), semi = text.indexOf(";");
if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
}
}
var startLine = start.line, has = hasImport(startLine), prev;
if (!has || hasImport(startLine - 1) || ((prev = hasImport(startLine - 2)) && prev.end.line == startLine - 1))
return null;
for (var end = has.end;;) {
var next = hasImport(end.line + 1);
if (next == null) break;
end = next.end;
}
return {from: cm.clipPos(CodeMirror.Pos(startLine, has.startCh + 1)), to: end};
});
CodeMirror.registerHelper("fold", "include", function(cm, start) {
function hasInclude(line) {
if (line < cm.firstLine() || line > cm.lastLine()) return null;
var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
}
var startLine = start.line, has = hasInclude(startLine);
if (has == null || hasInclude(startLine - 1) != null) return null;
for (var end = startLine;;) {
var next = hasInclude(end + 1);
if (next == null) break;
++end;
}
return {from: CodeMirror.Pos(startLine, has + 1),
to: cm.clipPos(CodeMirror.Pos(end))};
});
});
================================================
FILE: web/assets/codemirror/fold/foldcode.js
================================================
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
function doFold(cm, pos, options, force) {
if (options && options.call) {
var finder = options;
options = null;
} else {
var finder = getOption(cm, options, "rangeFinder");
}
if (typeof pos == "number") pos = CodeMirror.Pos(pos, 0);
var minSize = getOption(cm, options, "minFoldSize");
function getRange(allowFolded) {
var range = finder(cm, pos);
if (!range || range.to.line - range.from.line < minSize) return null;
if (force === "fold") return range;
var marks = cm.findMarksAt(range.from);
for (var i = 0; i < marks.length; ++i) {
if (marks[i].__isFold) {
if (!allowFolded) return null;
range.cleared = true;
marks[i].clear();
}
}
return range;
}
var range = getRange(true);
if (getOption(cm, options, "scanUp")) while (!range && pos.line > cm.firstLine()) {
pos = CodeMirror.Pos(pos.line - 1, 0);
range = getRange(false);
}
if (!range || range.cleared || force === "unfold") return;
var myWidget = makeWidget(cm, options, range);
CodeMirror.on(myWidget, "mousedown", function(e) {
myRange.clear();
CodeMirror.e_preventDefault(e);
});
var myRange = cm.markText(range.from, range.to, {
replacedWith: myWidget,
clearOnEnter: getOption(cm, options, "clearOnEnter"),
__isFold: true
});
myRange.on("clear", function(from, to) {
CodeMirror.signal(cm, "unfold", cm, from, to);
});
CodeMirror.signal(cm, "fold", cm, range.from, range.to);
}
function makeWidget(cm, options, range) {
var widget = getOption(cm, options, "widget");
if (typeof widget == "function") {
widget = widget(range.from, range.to);
}
if (typeof widget == "string") {
var text = document.createTextNode(widget);
widget = document.createElement("span");
widget.appendChild(text);
widget.className = "CodeMirror-foldmarker";
} else if (widget) {
widget = widget.cloneNode(true)
}
return widget;
}
// Clumsy backwards-compatible interface
CodeMirror.newFoldFunction = function(rangeFinder, widget) {
return function(cm, pos) { doFold(cm, pos, {rangeFinder: rangeFinder, widget: widget}); };
};
// New-style interface
CodeMirror.defineExtension("foldCode", function(pos, options, force) {
doFold(this, pos, options, force);
});
CodeMirror.defineExtension("isFolded", function(pos) {
var marks = this.findMarksAt(pos);
for (var i = 0; i < marks.length; ++i)
if (marks[i].__isFold) return true;
});
CodeMirror.commands.toggleFold = function(cm) {
cm.foldCode(cm.getCursor());
};
CodeMirror.commands.fold = function(cm) {
cm.foldCode(cm.getCursor(), null, "fold");
};
CodeMirror.commands.unfold = function(cm) {
cm.foldCode(cm.getCursor(), { scanUp: false }, "unfold");
};
CodeMirror.commands.foldAll = function(cm) {
cm.operation(function() {
for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "fold");
});
};
CodeMirror.commands.unfoldAll = function(cm) {
cm.operation(function() {
for (var i = cm.firstLine(), e = cm.lastLine(); i <= e; i++)
cm.foldCode(CodeMirror.Pos(i, 0), { scanUp: false }, "unfold");
});
};
CodeMirror.registerHelper("fold", "combine", function() {
var funcs = Array.prototype.slice.call(arguments, 0);
return function(cm, start) {
for (var i = 0; i < funcs.length; ++i) {
var found = funcs[i](cm, start);
if (found) return found;
}
};
});
CodeMirror.registerHelper("fold", "auto", function(cm, start) {
var helpers = cm.getHelpers(start, "fold");
for (var i = 0; i < helpers.length; i++) {
var cur = helpers[i](cm, start);
if (cur) return cur;
}
});
var defaultOptions = {
rangeFinder: CodeMirror.fold.auto,
widget: "\u2194",
minFoldSize: 0,
scanUp: false,
clearOnEnter: true
};
CodeMirror.defineOption("foldOptions", null);
function getOption(cm, options, name) {
if (options && options[name] !== undefined)
return options[name];
var editorOptions = cm.options.foldOptions;
if (editorOptions && editorOptions[name] !== undefined)
return editorOptions[name];
return defaultOptions[name];
}
CodeMirror.defineExtension("foldOption", function(options, name) {
return getOption(this, options, name);
});
});
================================================
FILE: web/assets/codemirror/fold/foldgutter.css
================================================
.CodeMirror-foldmarker {
color: blue;
text-shadow: #b9f 1px 1px 2px, #b9f -1px -1px 2px, #b9f 1px -1px 2px, #b9f -1px 1px 2px;
font-family: arial;
line-height: .3;
cursor: pointer;
}
.CodeMirror-foldgutter {
width: .7em;
}
.CodeMirror-foldgutter-open,
.CodeMirror-foldgutter-folded {
cursor: pointer;
}
.CodeMirror-foldgutter-open:after {
content: "\25BE";
}
.CodeMirror-foldgutter-folded:after {
content: "\25B8";
}
================================================
FILE: web/assets/codemirror/fold/foldgutter.js
================================================
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"), require("./foldcode"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror", "./foldcode"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineOption("foldGutter", false, function(cm, val, old) {
if (old && old != CodeMirror.Init) {
cm.clearGutter(cm.state.foldGutter.options.gutter);
cm.state.foldGutter = null;
cm.off("gutterClick", onGutterClick);
cm.off("changes", onChange);
cm.off("viewportChange", onViewportChange);
cm.off("fold", onFold);
cm.off("unfold", onFold);
cm.off("swapDoc", onChange);
cm.off("optionChange", optionChange);
}
if (val) {
cm.state.foldGutter = new State(parseOptions(val));
updateInViewport(cm);
cm.on("gutterClick", onGutterClick);
cm.on("changes", onChange);
cm.on("viewportChange", onViewportChange);
cm.on("fold", onFold);
cm.on("unfold", onFold);
cm.on("swapDoc", onChange);
cm.on("optionChange", optionChange);
}
});
var Pos = CodeMirror.Pos;
function State(options) {
this.options = options;
this.from = this.to = 0;
}
function parseOptions(opts) {
if (opts === true) opts = {};
if (opts.gutter == null) opts.gutter = "CodeMirror-foldgutter";
if (opts.indicatorOpen == null) opts.indicatorOpen = "CodeMirror-foldgutter-open";
if (opts.indicatorFolded == null) opts.indicatorFolded = "CodeMirror-foldgutter-folded";
return opts;
}
function isFolded(cm, line) {
var marks = cm.findMarks(Pos(line, 0), Pos(line + 1, 0));
for (var i = 0; i < marks.length; ++i) {
if (marks[i].__isFold) {
var fromPos = marks[i].find(-1);
if (fromPos && fromPos.line === line)
return marks[i];
}
}
}
function marker(spec) {
if (typeof spec == "string") {
var elt = document.createElement("div");
elt.className = spec + " CodeMirror-guttermarker-subtle";
return elt;
} else {
return spec.cloneNode(true);
}
}
function updateFoldInfo(cm, from, to) {
var opts = cm.state.foldGutter.options, cur = from - 1;
var minSize = cm.foldOption(opts, "minFoldSize");
var func = cm.foldOption(opts, "rangeFinder");
// we can reuse the built-in indicator element if its className matches the new state
var clsFolded = typeof opts.indicatorFolded == "string" && classTest(opts.indicatorFolded);
var clsOpen = typeof opts.indicatorOpen == "string" && classTest(opts.indicatorOpen);
cm.eachLine(from, to, function(line) {
++cur;
var mark = null;
var old = line.gutterMarkers;
if (old) old = old[opts.gutter];
if (isFolded(cm, cur)) {
if (clsFolded && old && clsFolded.test(old.className)) return;
mark = marker(opts.indicatorFolded);
} else {
var pos = Pos(cur, 0);
var range = func && func(cm, pos);
if (range && range.to.line - range.from.line >= minSize) {
if (clsOpen && old && clsOpen.test(old.className)) return;
mark = marker(opts.indicatorOpen);
}
}
if (!mark && !old) return;
cm.setGutterMarker(line, opts.gutter, mark);
});
}
// copied from CodeMirror/src/util/dom.js
function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
function updateInViewport(cm) {
var vp = cm.getViewport(), state = cm.state.foldGutter;
if (!state) return;
cm.operation(function() {
updateFoldInfo(cm, vp.from, vp.to);
});
state.from = vp.from; state.to = vp.to;
}
function onGutterClick(cm, line, gutter) {
var state = cm.state.foldGutter;
if (!state) return;
var opts = state.options;
if (gutter != opts.gutter) return;
var folded = isFolded(cm, line);
if (folded) folded.clear();
else cm.foldCode(Pos(line, 0), opts);
}
function optionChange(cm, option) {
if (option == "mode") onChange(cm)
}
function onChange(cm) {
var state = cm.state.foldGutter;
if (!state) return;
var opts = state.options;
state.from = state.to = 0;
clearTimeout(state.changeUpdate);
state.changeUpdate = setTimeout(function() { updateInViewport(cm); }, opts.foldOnChangeTimeSpan || 600);
}
function onViewportChange(cm) {
var state = cm.state.foldGutter;
if (!state) return;
var opts = state.options;
clearTimeout(state.changeUpdate);
state.changeUpdate = setTimeout(function() {
var vp = cm.getViewport();
if (state.from == state.to || vp.from - state.to > 20 || state.from - vp.to > 20) {
updateInViewport(cm);
} else {
cm.operation(function() {
if (vp.from < state.from) {
updateFoldInfo(cm, vp.from, state.from);
state.from = vp.from;
}
if (vp.to > state.to) {
updateFoldInfo(cm, state.to, vp.to);
state.to = vp.to;
}
});
}
}, opts.updateViewportTimeSpan || 400);
}
function onFold(cm, from) {
var state = cm.state.foldGutter;
if (!state) return;
var line = from.line;
if (line >= state.from && line < state.to)
updateFoldInfo(cm, line, line + 1);
}
});
================================================
FILE: web/assets/codemirror/hint/javascript-hint.js
================================================
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
var Pos = CodeMirror.Pos;
function forEach(arr, f) {
for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
}
function arrayContains(arr, item) {
if (!Array.prototype.indexOf) {
var i = arr.length;
while (i--) {
if (arr[i] === item) {
return true;
}
}
return false;
}
return arr.indexOf(item) != -1;
}
function scriptHint(editor, keywords, getToken, options) {
// Find the token at the cursor
var cur = editor.getCursor(), token = getToken(editor, cur);
if (/\b(?:string|comment)\b/.test(token.type)) return;
var innerMode = CodeMirror.innerMode(editor.getMode(), token.state);
if (innerMode.mode.helperType === "json") return;
token.state = innerMode.state;
// If it's not a 'word-style' token, ignore the token.
if (!/^[\w$_]*$/.test(token.string)) {
token = {start: cur.ch, end: cur.ch, string: "", state: token.state,
type: token.string == "." ? "property" : null};
} else if (token.end > cur.ch) {
token.end = cur.ch;
token.string = token.string.slice(0, cur.ch - token.start);
}
var tprop = token;
// If it is a property, find out what it is a property of.
while (tprop.type == "property") {
tprop = getToken(editor, Pos(cur.line, tprop.start));
if (tprop.string != ".") return;
tprop = getToken(editor, Pos(cur.line, tprop.start));
if (!context) var context = [];
context.push(tprop);
}
return {list: getCompletions(token, context, keywords, options),
from: Pos(cur.line, token.start),
to: Pos(cur.line, token.end)};
}
function javascriptHint(editor, options) {
return scriptHint(editor, javascriptKeywords,
function (e, cur) {return e.getTokenAt(cur);},
options);
}
CodeMirror.registerHelper("hint", "javascript", javascriptHint);
function getCoffeeScriptToken(editor, cur) {
// This getToken, it is for coffeescript, imitates the behavior of
// getTokenAt method in javascript.js, that is, returning "property"
// type and treat "." as independent token.
var token = editor.getTokenAt(cur);
if (cur.ch == token.start + 1 && token.string.charAt(0) == '.') {
token.end = token.start;
token.string = '.';
token.type = "property";
}
else if (/^\.[\w$_]*$/.test(token.string)) {
token.type = "property";
token.start++;
token.string = token.string.replace(/\./, '');
}
return token;
}
function coffeescriptHint(editor, options) {
return scriptHint(editor, coffeescriptKeywords, getCoffeeScriptToken, options);
}
CodeMirror.registerHelper("hint", "coffeescript", coffeescriptHint);
var stringProps = ("charAt charCodeAt indexOf lastIndexOf substring substr slice trim trimLeft trimRight " +
"toUpperCase toLowerCase split concat match replace search").split(" ");
var arrayProps = ("length concat join splice push pop shift unshift slice reverse sort indexOf " +
"lastIndexOf every some filter forEach map reduce reduceRight ").split(" ");
var funcProps = "prototype apply call bind".split(" ");
var javascriptKeywords = ("break case catch class const continue debugger default delete do else export extends false finally for function " +
"if in import instanceof new null return super switch this throw true try typeof var void while with yield").split(" ");
var coffeescriptKeywords = ("and break catch class continue delete do else extends false finally for " +
"if in instanceof isnt new no not null of off on or return switch then throw true try typeof until void while with yes").split(" ");
function forAllProps(obj, callback) {
if (!Object.getOwnPropertyNames || !Object.getPrototypeOf) {
for (var name in obj) callback(name)
} else {
for (var o = obj; o; o = Object.getPrototypeOf(o))
Object.getOwnPropertyNames(o).forEach(callback)
}
}
function getCompletions(token, context, keywords, options) {
var found = [], start = token.string, global = options && options.globalScope || window;
function maybeAdd(str) {
if (str.lastIndexOf(start, 0) == 0 && !arrayContains(found, str)) found.push(str);
}
function gatherCompletions(obj) {
if (typeof obj == "string") forEach(stringProps, maybeAdd);
else if (obj instanceof Array) forEach(arrayProps, maybeAdd);
else if (obj instanceof Function) forEach(funcProps, maybeAdd);
forAllProps(obj, maybeAdd)
}
if (context && context.length) {
// If this is a property, see if it belongs to some object we can
// find in the current environment.
var obj = context.pop(), base;
if (obj.type && obj.type.indexOf("variable") === 0) {
if (options && options.additionalContext)
base = options.additionalContext[obj.string];
if (!options || options.useGlobalScope !== false)
base = base || global[obj.string];
} else if (obj.type == "string") {
base = "";
} else if (obj.type == "atom") {
base = 1;
} else if (obj.type == "function") {
if (global.jQuery != null && (obj.string == '$' || obj.string == 'jQuery') &&
(typeof global.jQuery == 'function'))
base = global.jQuery();
else if (global._ != null && (obj.string == '_') && (typeof global._ == 'function'))
base = global._();
}
while (base != null && context.length)
base = base[context.pop().string];
if (base != null) gatherCompletions(base);
} else {
// If not, just look in the global object, any local scope, and optional additional-context
// (reading into JS mode internals to get at the local and global variables)
for (var v = token.state.localVars; v; v = v.next) maybeAdd(v.name);
for (var c = token.state.context; c; c = c.prev)
for (var v = c.vars; v; v = v.next) maybeAdd(v.name)
for (var v = token.state.globalVars; v; v = v.next) maybeAdd(v.name);
if (options && options.additionalContext != null)
for (var key in options.additionalContext)
maybeAdd(key);
if (!options || options.useGlobalScope !== false)
gatherCompletions(global);
forEach(keywords, maybeAdd);
}
return found;
}
});
================================================
FILE: web/assets/codemirror/javascript.js
================================================
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/5/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.defineMode("javascript", function(config, parserConfig) {
var indentUnit = config.indentUnit;
var statementIndent = parserConfig.statementIndent;
var jsonldMode = parserConfig.jsonld;
var jsonMode = parserConfig.json || jsonldMode;
var trackScope = parserConfig.trackScope !== false
var isTS = parserConfig.typescript;
var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;
// Tokenizer
var keywords = function(){
function kw(type) {return {type: type, style: "keyword"};}
var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
var operator = kw("operator"), atom = {type: "atom", style: "atom"};
return {
"if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
"return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
"debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
"function": kw("function"), "catch": kw("catch"),
"for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
"in": operator, "typeof": operator, "instanceof": operator,
"true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
"this": kw("this"), "class": kw("class"), "super": kw("atom"),
"yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
"await": C
};
}();
var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
function readRegexp(stream) {
var escaped = false, next, inSet = false;
while ((next = stream.next()) != null) {
if (!escaped) {
if (next == "/" && !inSet) return;
if (next == "[") inSet = true;
else if (inSet && next == "]") inSet = false;
}
escaped = !escaped && next == "\\";
}
}
// Used as scratch variables to communicate multiple values without
// consing up tons of objects.
var type, content;
function ret(tp, style, cont) {
type = tp; content = cont;
return style;
}
function tokenBase(stream, state) {
var ch = stream.next();
if (ch == '"' || ch == "'") {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
} else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) {
return ret("number", "number");
} else if (ch == "." && stream.match("..")) {
return ret("spread", "meta");
} else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
return ret(ch);
} else if (ch == "=" && stream.eat(">")) {
return ret("=>", "operator");
} else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {
return ret("number", "number");
} else if (/\d/.test(ch)) {
stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/);
return ret("number", "number");
} else if (ch == "/") {
if (stream.eat("*")) {
state.tokenize = tokenComment;
return tokenComment(stream, state);
} else if (stream.eat("/")) {
stream.skipToEnd();
return ret("comment", "comment");
} else if (expressionAllowed(stream, state, 1)) {
readRegexp(stream);
stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
return ret("regexp", "string-2");
} else {
stream.eat("=");
return ret("operator", "operator", stream.current());
}
} else if (ch == "`") {
state.tokenize = tokenQuasi;
return tokenQuasi(stream, state);
} else if (ch == "#" && stream.peek() == "!") {
stream.skipToEnd();
return ret("meta", "meta");
} else if (ch == "#" && stream.eatWhile(wordRE)) {
return ret("variable", "property")
} else if (ch == "<" && stream.match("!--") ||
(ch == "-" && stream.match("->") && !/\S/.test(stream.string.slice(0, stream.start)))) {
stream.skipToEnd()
return ret("comment", "comment")
} else if (isOperatorChar.test(ch)) {
if (ch != ">" || !state.lexical || state.lexical.type != ">") {
if (stream.eat("=")) {
if (ch == "!" || ch == "=") stream.eat("=")
} else if (/[<>*+\-|&?]/.test(ch)) {
stream.eat(ch)
if (ch == ">") stream.eat(ch)
}
}
if (ch == "?" && stream.eat(".")) return ret(".")
return ret("operator", "operator", stream.current());
} else if (wordRE.test(ch)) {
stream.eatWhile(wordRE);
var word = stream.current()
if (state.lastType != ".") {
if (keywords.propertyIsEnumerable(word)) {
var kw = keywords[word]
return ret(kw.type, kw.style, word)
}
if (word == "async" && stream.match(/^(\s|\/\*([^*]|\*(?!\/))*?\*\/)*[\[\(\w]/, false))
return ret("async", "keyword", word)
}
return ret("variable", "variable", word)
}
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, next;
if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
state.tokenize = tokenBase;
return ret("jsonld-keyword", "meta");
}
while ((next = stream.next()) != null) {
if (next == quote && !escaped) break;
escaped = !escaped && next == "\\";
}
if (!escaped) state.tokenize = tokenBase;
return ret("string", "string");
};
}
function tokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "/" && maybeEnd) {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch == "*");
}
return ret("comment", "comment");
}
function tokenQuasi(stream, state) {
var escaped = false, next;
while ((next = stream.next()) != null) {
if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
state.tokenize = tokenBase;
break;
}
escaped = !escaped && next == "\\";
}
return ret("quasi", "string-2", stream.current());
}
var brackets = "([{}])";
// This is a crude lookahead trick to try and notice that we're
// parsing the argument patterns for a fat-arrow function before we
// actually hit the arrow token. It only works if the arrow is on
// the same line as the arguments and there's no strange noise
// (comments) in between. Fallback is to only notice when we hit the
// arrow, and not declare the arguments as locals for the arrow
// body.
function findFatArrow(stream, state) {
if (state.fatArrowAt) state.fatArrowAt = null;
var arrow = stream.string.indexOf("=>", stream.start);
if (arrow < 0) return;
if (isTS) { // Try to skip TypeScript return type declarations after the arguments
var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow))
if (m) arrow = m.index
}
var depth = 0, sawSomething = false;
for (var pos = arrow - 1; pos >= 0; --pos) {
var ch = stream.string.charAt(pos);
var bracket = brackets.indexOf(ch);
if (bracket >= 0 && bracket < 3) {
if (!depth) { ++pos; break; }
if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
} else if (bracket >= 3 && bracket < 6) {
++depth;
} else if (wordRE.test(ch)) {
sawSomething = true;
} else if (/["'\/`]/.test(ch)) {
for (;; --pos) {
if (pos == 0) return
var next = stream.string.charAt(pos - 1)
if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break }
}
} else if (sawSomething && !depth) {
++pos;
break;
}
}
if (sawSomething && !depth) state.fatArrowAt = pos;
}
// Parser
var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true,
"regexp": true, "this": true, "import": true, "jsonld-keyword": true};
function JSLexical(indented, column, type, align, prev, info) {
this.indented = indented;
this.column = column;
this.type = type;
this.prev = prev;
this.info = info;
if (align != null) this.align = align;
}
function inScope(state, varname) {
if (!trackScope) return false
for (var v = state.localVars; v; v = v.next)
if (v.name == varname) return true;
for (var cx = state.context; cx; cx = cx.prev) {
for (var v = cx.vars; v; v = v.next)
if (v.name == varname) return true;
}
}
function parseJS(state, style, type, content, stream) {
var cc = state.cc;
// Communicate our context to the combinators.
// (Less wasteful than consing up a hundred closures on every call.)
cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
if (!state.lexical.hasOwnProperty("align"))
state.lexical.align = true;
while(true) {
var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
if (combinator(type, content)) {
while(cc.length && cc[cc.length - 1].lex)
cc.pop()();
if (cx.marked) return cx.marked;
if (type == "variable" && inScope(state, content)) return "variable-2";
return style;
}
}
}
// Combinator utils
var cx = {state: null, column: null, marked: null, cc: null};
function pass() {
for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
}
function cont() {
pass.apply(null, arguments);
return true;
}
function inList(name, list) {
for (var v = list; v; v = v.next) if (v.name == name) return true
return false;
}
function register(varname) {
var state = cx.state;
cx.marked = "def";
if (!trackScope) return
if (state.context) {
if (state.lexical.info == "var" && state.context && state.context.block) {
// FIXME function decls are also not block scoped
var newContext = registerVarScoped(varname, state.context)
if (newContext != null) {
state.context = newContext
return
}
} else if (!inList(varname, state.localVars)) {
state.localVars = new Var(varname, state.localVars)
return
}
}
// Fall through means this is global
if (parserConfig.globalVars && !inList(varname, state.globalVars))
state.globalVars = new Var(varname, state.globalVars)
}
function registerVarScoped(varname, context) {
if (!context) {
return null
} else if (context.block) {
var inner = registerVarScoped(varname, context.prev)
if (!inner) return null
if (inner == context.prev) return context
return new Context(inner, context.vars, true)
} else if (inList(varname, context.vars)) {
return context
} else {
return new Context(context.prev, new Var(varname, context.vars), false)
}
}
function isModifier(name) {
return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly"
}
// Combinators
function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }
function Var(name, next) { this.name = name; this.next = next }
var defaultVars = new Var("this", new Var("arguments", null))
function pushcontext() {
cx.state.context = new Context(cx.state.context, cx.state.localVars, false)
cx.state.localVars = defaultVars
}
function pushblockcontext() {
cx.state.context = new Context(cx.state.context, cx.state.localVars, true)
cx.state.localVars = null
}
pushcontext.lex = pushblockcontext.lex = true
function popcontext() {
cx.state.localVars = cx.state.context.vars
cx.state.context = cx.state.context.prev
}
popcontext.lex = true
function pushlex(type, info) {
var result = function() {
var state = cx.state, indent = state.indented;
if (state.lexical.type == "stat") indent = state.lexical.indented;
else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
indent = outer.indented;
state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
};
result.lex = true;
return result;
}
function poplex() {
var state = cx.state;
if (state.lexical.prev) {
if (state.lexical.type == ")")
state.indented = state.lexical.indented;
state.lexical = state.lexical.prev;
}
}
poplex.lex = true;
function expect(wanted) {
function exp(type) {
if (type == wanted) return cont();
else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
else return cont(exp);
}
return exp;
}
function statement(type, value) {
if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
if (type == "debugger") return cont(expect(";"));
if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
if (type == ";") return cont();
if (type == "if") {
if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
cx.state.cc.pop()();
return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
}
if (type == "function") return cont(functiondef);
if (type == "for") return cont(pushlex("form"), pushblockcontext, forspec, statement, popcontext, poplex);
if (type == "class" || (isTS && value == "interface")) {
cx.marked = "keyword"
return cont(pushlex("form", type == "class" ? type : value), className, poplex)
}
if (type == "variable") {
if (isTS && value == "declare") {
cx.marked = "keyword"
return cont(statement)
} else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
cx.marked = "keyword"
if (value == "enum") return cont(enumdef);
else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";"));
else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
} else if (isTS && value == "namespace") {
cx.marked = "keyword"
return cont(pushlex("form"), expression, statement, poplex)
} else if (isTS && value == "abstract") {
cx.marked = "keyword"
return cont(statement)
} else {
return cont(pushlex("stat"), maybelabel);
}
}
if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
block, poplex, poplex, popcontext);
if (type == "case") return cont(expression, expect(":"));
if (type == "default") return cont(expect(":"));
if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
if (type == "async") return cont(statement)
if (value == "@") return cont(expression, statement)
return pass(pushlex("stat"), expression, expect(";"), poplex);
}
function maybeCatchBinding(type) {
if (type == "(") return cont(funarg, expect(")"))
}
function expression(type, value) {
return expressionInner(type, value, false);
}
function expressionNoComma(type, value) {
return expressionInner(type, value, true);
}
function parenExpr(type) {
if (type != "(") return pass()
return cont(pushlex(")"), maybeexpression, expect(")"), poplex)
}
function expressionInner(type, value, noComma) {
if (cx.state.fatArrowAt == cx.stream.start) {
var body = noComma ? arrowBodyNoComma : arrowBody;
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
}
var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
if (type == "function") return cont(functiondef, maybeop);
if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); }
if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
if (type == "{") return contCommasep(objprop, "}", null, maybeop);
if (type == "quasi") return pass(quasi, maybeop);
if (type == "new") return cont(maybeTarget(noComma));
return cont();
}
function maybeexpression(type) {
if (type.match(/[;\}\)\],]/)) return pass();
return pass(expression);
}
function maybeoperatorComma(type, value) {
if (type == ",") return cont(maybeexpression);
return maybeoperatorNoComma(type, value, false);
}
function maybeoperatorNoComma(type, value, noComma) {
var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
var expr = noComma == false ? expression : expressionNoComma;
if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
if (type == "operator") {
if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
if (isTS && value == "<" && cx.stream.match(/^([^<>]|<[^<>]*>)*>\s*\(/, false))
return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
if (value == "?") return cont(expression, expect(":"), expr);
return cont(expr);
}
if (type == "quasi") { return pass(quasi, me); }
if (type == ";") return;
if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
if (type == ".") return cont(property, me);
if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
if (type == "regexp") {
cx.state.lastType = cx.marked = "operator"
cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)
return cont(expr)
}
}
function quasi(type, value) {
if (type != "quasi") return pass();
if (value.slice(value.length - 2) != "${") return cont(quasi);
return cont(maybeexpression, continueQuasi);
}
function continueQuasi(type) {
if (type == "}") {
cx.marked = "string-2";
cx.state.tokenize = tokenQuasi;
return cont(quasi);
}
}
function arrowBody(type) {
findFatArrow(cx.stream, cx.state);
return pass(type == "{" ? statement : expression);
}
function arrowBodyNoComma(type) {
findFatArrow(cx.stream, cx.state);
return pass(type == "{" ? statement : expressionNoComma);
}
function maybeTarget(noComma) {
return function(type) {
if (type == ".") return cont(noComma ? targetNoComma : target);
else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
else return pass(noComma ? expressionNoComma : expression);
};
}
function target(_, value) {
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
}
function targetNoComma(_, value) {
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
}
function maybelabel(type) {
if (type == ":") return cont(poplex, statement);
return pass(maybeoperatorComma, expect(";"), poplex);
}
function property(type) {
if (type == "variable") {cx.marked = "property"; return cont();}
}
function objprop(type, value) {
if (type == "async") {
cx.marked = "property";
return cont(objprop);
} else if (type == "variable" || cx.style == "keyword") {
cx.marked = "property";
if (value == "get" || value == "set") return cont(getterSetter);
var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params
if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
cx.state.fatArrowAt = cx.stream.pos + m[0].length
return cont(afterprop);
} else if (type == "number" || type == "string") {
cx.marked = jsonldMode ? "property" : (cx.style + " property");
return cont(afterprop);
} else if (type == "jsonld-keyword") {
return cont(afterprop);
} else if (isTS && isModifier(value)) {
cx.marked = "keyword"
return cont(objprop)
} else if (type == "[") {
return cont(expression, maybetype, expect("]"), afterprop);
} else if (type == "spread") {
return cont(expressionNoComma, afterprop);
} else if (value == "*") {
cx.marked = "keyword";
return cont(objprop);
} else if (type == ":") {
return pass(afterprop)
}
}
function getterSetter(type) {
if (type != "variable") return pass(afterprop);
cx.marked = "property";
return cont(functiondef);
}
function afterprop(type) {
if (type == ":") return cont(expressionNoComma);
if (type == "(") return pass(functiondef);
}
function commasep(what, end, sep) {
function proceed(type, value) {
if (sep ? sep.indexOf(type) > -1 : type == ",") {
var lex = cx.state.lexical;
if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
return cont(function(type, value) {
if (type == end || value == end) return pass()
return pass(what)
}, proceed);
}
if (type == end || value == end) return cont();
if (sep && sep.indexOf(";") > -1) return pass(what)
return cont(expect(end));
}
return function(type, value) {
if (type == end || value == end) return cont();
return pass(what, proceed);
};
}
function contCommasep(what, end, info) {
for (var i = 3; i < arguments.length; i++)
cx.cc.push(arguments[i]);
return cont(pushlex(end, info), commasep(what, end), poplex);
}
function block(type) {
if (type == "}") return cont();
return pass(statement, block);
}
function maybetype(type, value) {
if (isTS) {
if (type == ":") return cont(typeexpr);
if (value == "?") return cont(maybetype);
}
}
function maybetypeOrIn(type, value) {
if (isTS && (type == ":" || value == "in")) return cont(typeexpr)
}
function mayberettype(type) {
if (isTS && type == ":") {
if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
else return cont(typeexpr)
}
}
function isKW(_, value) {
if (value == "is") {
cx.marked = "keyword"
return cont()
}
}
function typeexpr(type, value) {
if (value == "keyof" || value == "typeof" || value == "infer" || value == "readonly") {
cx.marked = "keyword"
return cont(value == "typeof" ? expressionNoComma : typeexpr)
}
if (type == "variable" || value == "void") {
cx.marked = "type"
return cont(afterType)
}
if (value == "|" || value == "&") return cont(typeexpr)
if (type == "string" || type == "number" || type == "atom") return cont(afterType);
if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
if (type == "{") return cont(pushlex("}"), typeprops, poplex, afterType)
if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType)
if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
if (type == "quasi") { return pass(quasiType, afterType); }
}
function maybeReturnType(type) {
if (type == "=>") return cont(typeexpr)
}
function typeprops(type) {
if (type.match(/[\}\)\]]/)) return cont()
if (type == "," || type == ";") return cont(typeprops)
return pass(typeprop, typeprops)
}
function typeprop(type, value) {
if (type == "variable" || cx.style == "keyword") {
cx.marked = "property"
return cont(typeprop)
} else if (value == "?" || type == "number" || type == "string") {
return cont(typeprop)
} else if (type == ":") {
return cont(typeexpr)
} else if (type == "[") {
return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop)
} else if (type == "(") {
return pass(functiondecl, typeprop)
} else if (!type.match(/[;\}\)\],]/)) {
return cont()
}
}
function quasiType(type, value) {
if (type != "quasi") return pass();
if (value.slice(value.length - 2) != "${") return cont(quasiType);
return cont(typeexpr, continueQuasiType);
}
function continueQuasiType(type) {
if (type == "}") {
cx.marked = "string-2";
cx.state.tokenize = tokenQuasi;
return cont(quasiType);
}
}
function typearg(type, value) {
if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
if (type == ":") return cont(typeexpr)
if (type == "spread") return cont(typearg)
return pass(typeexpr)
}
function afterType(type, value) {
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
if (value == "|" || type == "." || value == "&") return cont(typeexpr)
if (type == "[") return cont(typeexpr, expect("]"), afterType)
if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
if (value == "?") return cont(typeexpr, expect(":"), typeexpr)
}
function maybeTypeArgs(_, value) {
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
}
function typeparam() {
return pass(typeexpr, maybeTypeDefault)
}
function maybeTypeDefault(_, value) {
if (value == "=") return cont(typeexpr)
}
function vardef(_, value) {
if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
return pass(pattern, maybetype, maybeAssign, vardefCont);
}
function pattern(type, value) {
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) }
if (type == "variable") { register(value); return cont(); }
if (type == "spread") return cont(pattern);
if (type == "[") return contCommasep(eltpattern, "]");
if (type == "{") return contCommasep(proppattern, "}");
}
function proppattern(type, value) {
if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
register(value);
return cont(maybeAssign);
}
if (type == "variable") cx.marked = "property";
if (type == "spread") return cont(pattern);
if (type == "}") return pass();
if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern);
return cont(expect(":"), pattern, maybeAssign);
}
function eltpattern() {
return pass(pattern, maybeAssign)
}
function maybeAssign(_type, value) {
if (value == "=") return cont(expressionNoComma);
}
function vardefCont(type) {
if (type == ",") return cont(vardef);
}
function maybeelse(type, value) {
if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
}
function forspec(type, value) {
if (value == "await") return cont(forspec);
if (type == "(") return cont(pushlex(")"), forspec1, poplex);
}
function forspec1(type) {
if (type == "var") return cont(vardef, forspec2);
if (type == "variable") return cont(forspec2);
return pass(forspec2)
}
function forspec2(type, value) {
if (type == ")") return cont()
if (type == ";") return cont(forspec2)
if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) }
return pass(expression, forspec2)
}
function functiondef(type, value) {
if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
if (type == "variable") {register(value); return cont(functiondef);}
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
}
function functiondecl(type, value) {
if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);}
if (type == "variable") {register(value); return cont(functiondecl);}
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext);
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl)
}
function typename(type, value) {
if (type == "keyword" || type == "variable") {
cx.marked = "type"
return cont(typename)
} else if (value == "<") {
return cont(pushlex(">"), commasep(typeparam, ">"), poplex)
}
}
function funarg(type, value) {
if (value == "@") cont(expression, funarg)
if (type == "spread") return cont(funarg);
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
if (isTS && type == "this") return cont(maybetype, maybeAssign)
return pass(pattern, maybetype, maybeAssign);
}
function classExpression(type, value) {
// Class expressions may have an optional name.
if (type == "variable") return className(type, value);
return classNameAfter(type, value);
}
function className(type, value) {
if (type == "variable") {register(value); return cont(classNameAfter);}
}
function classNameAfter(type, value) {
if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
if (value == "extends" || value == "implements" || (isTS && type == ",")) {
if (value == "implements") cx.marked = "keyword";
return cont(isTS ? typeexpr : expression, classNameAfter);
}
if (type == "{") return cont(pushlex("}"), classBody, poplex);
}
function classBody(type, value) {
if (type == "async" ||
(type == "variable" &&
(value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) &&
cx.stream.match(/^\s+#?[\w$\xa1-\uffff]/, false))) {
cx.marked = "keyword";
return cont(classBody);
}
if (type == "variable" || cx.style == "keyword") {
cx.marked = "property";
return cont(classfield, classBody);
}
if (type == "number" || type == "string") return cont(classfield, classBody);
if (type == "[")
return cont(expression, maybetype, expect("]"), classfield, classBody)
if (value == "*") {
cx.marked = "keyword";
return cont(classBody);
}
if (isTS && type == "(") return pass(functiondecl, classBody)
if (type == ";" || type == ",") return cont(classBody);
if (type == "}") return cont();
if (value == "@") return cont(expression, classBody)
}
function classfield(type, value) {
if (value == "!") return cont(classfield)
if (value == "?") return cont(classfield)
if (type == ":") return cont(typeexpr, maybeAssign)
if (value == "=") return cont(expressionNoComma)
var context = cx.state.lexical.prev, isInterface = context && context.info == "interface"
return pass(isInterface ? functiondecl : functiondef)
}
function afterExport(type, value) {
if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
return pass(statement);
}
function exportField(type, value) {
if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
if (type == "variable") return pass(expressionNoComma, exportField);
}
function afterImport(type) {
if (type == "string") return cont();
if (type == "(") return pass(expression);
if (type == ".") return pass(maybeoperatorComma);
return pass(importSpec, maybeMoreImports, maybeFrom);
}
function importSpec(type, value) {
if (type == "{") return contCommasep(importSpec, "}");
if (type == "variable") register(value);
if (value == "*") cx.marked = "keyword";
return cont(maybeAs);
}
function maybeMoreImports(type) {
if (type == ",") return cont(importSpec, maybeMoreImports)
}
function maybeAs(_type, value) {
if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
}
function maybeFrom(_type, value) {
if (value == "from") { cx.marked = "keyword"; return cont(expression); }
}
function arrayLiteral(type) {
if (type == "]") return cont();
return pass(commasep(expressionNoComma, "]"));
}
function enumdef() {
return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
}
function enummember() {
return pass(pattern, maybeAssign);
}
function isContinuedStatement(state, textAfter) {
return state.lastType == "operator" || state.lastType == "," ||
isOperatorChar.test(textAfter.charAt(0)) ||
/[,.]/.test(textAfter.charAt(0));
}
function expressionAllowed(stream, state, backUp) {
return state.tokenize == tokenBase &&
/^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
(state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
}
// Interface
return {
startState: function(basecolumn) {
var state = {
tokenize: tokenBase,
lastType: "sof",
cc: [],
lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
localVars: parserConfig.localVars,
context: parserConfig.localVars && new Context(null, null, false),
indented: basecolumn || 0
};
if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
state.globalVars = parserConfig.globalVars;
return state;
},
token: function(stream, state) {
if (stream.sol()) {
if (!state.lexical.hasOwnProperty("align"))
state.lexical.align = false;
state.indented = stream.indentation();
findFatArrow(stream, state);
}
if (state.tokenize != tokenComment && stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
if (type == "comment") return style;
state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
return parseJS(state, style, type, content, stream);
},
indent: function(state, textAfter) {
if (state.tokenize == tokenComment || state.tokenize == tokenQuasi) return CodeMirror.Pass;
if (state.tokenize != tokenBase) return 0;
var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top
// Kludge to prevent 'maybelse' from blocking lexical scope pops
if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
var c = state.cc[i];
if (c == poplex) lexical = lexical.prev;
else if (c != maybeelse && c != popcontext) break;
}
while ((lexical.type == "stat" || lexical.type == "form") &&
(firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
(top == maybeoperatorComma || top == maybeoperatorNoComma) &&
!/^[,\.=+\-*:?[\(]/.test(textAfter))))
lexical = lexical.prev;
if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
lexical = lexical.prev;
var type = lexical.type, closing = firstChar == type;
if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
else if (type == "form" && firstChar == "{") return lexical.indented;
else if (type == "form") return lexical.indented + indentUnit;
else if (type == "stat")
return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);
else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
else if (lexical.align) return lexical.column + (closing ? 0 : 1);
else return lexical.indented + (closing ? 0 : indentUnit);
},
electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
blockCommentStart: jsonMode ? null : "/*",
blockCommentEnd: jsonMode ? null : "*/",
blockCommentContinue: jsonMode ? null : " * ",
lineComment: jsonMode ? null : "//",
fold: "brace",
closeBrackets: "()[]{}''\"\"``",
helperType: jsonMode ? "json" : "javascript",
jsonldMode: jsonldMode,
jsonMode: jsonMode,
expressionAllowed: expressionAllowed,
skipExpression: function(state) {
parseJS(state, "atom", "atom", "true", new CodeMirror.StringStream("", 2, null))
}
};
});
CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
CodeMirror.defineMIME("text/javascript", "javascript");
CodeMirror.defineMIME("text/ecmascript", "javascript");
CodeMirror.defineMIME("application/javascript", "javascript");
CodeMirror.defineMIME("application/x-javascript", "javascript");
CodeMirror.defineMIME("application/ecmascript", "javascript");
CodeMirror.defineMIME("application/json", { name: "javascript", json: true });
CodeMirror.defineMIME("application/x-json", { name: "javascript", json: true });
CodeMirror.defineMIME("application/manifest+json", { name: "javascript", json: true })
CodeMirror.defineMIME("application/ld+json", { name: "javascript", jsonld: true });
CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
});
================================================
FILE: web/assets/codemirror/jshint.js
================================================
/*! 2.13.2 */
var JSHINT;
if (typeof window === 'undefined') window = {};
(function () {
var require;
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o= 65 && i <= 90 || // A-Z
i === 95 || // _
i >= 97 && i <= 122; // a-z
}
var identifierPartTable = [];
for (var i = 0; i < 128; i++) {
identifierPartTable[i] =
identifierStartTable[i] || // $, _, A-Z, a-z
i >= 48 && i <= 57; // 0-9
}
module.exports = {
asciiIdentifierStartTable: identifierStartTable,
asciiIdentifierPartTable: identifierPartTable
};
},{}],2:[function(require,module,exports){
module.exports = 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},{}],3:[function(require,module,exports){
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var arr = str.split(',').map(function(code) {
return parseInt(code, 10);
});
module.exports = arr;
},{}],4:[function(require,module,exports){
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var arr = str.split(',').map(function(code) {
return parseInt(code, 10);
});
module.exports = arr;
},{}],5:[function(require,module,exports){
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
//
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
//
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// when used in node, this will actually load the util module we depend on
// versus loading the builtin util module as happens otherwise
// this is a bug in node module loading as far as I am concerned
var util = require('util/');
var pSlice = Array.prototype.slice;
var hasOwn = Object.prototype.hasOwnProperty;
// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.
var assert = module.exports = ok;
// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
// actual: actual,
// expected: expected })
assert.AssertionError = function AssertionError(options) {
this.name = 'AssertionError';
this.actual = options.actual;
this.expected = options.expected;
this.operator = options.operator;
if (options.message) {
this.message = options.message;
this.generatedMessage = false;
} else {
this.message = getMessage(this);
this.generatedMessage = true;
}
var stackStartFunction = options.stackStartFunction || fail;
if (Error.captureStackTrace) {
Error.captureStackTrace(this, stackStartFunction);
}
else {
// non v8 browsers so we can have a stacktrace
var err = new Error();
if (err.stack) {
var out = err.stack;
// try to strip useless frames
var fn_name = stackStartFunction.name;
var idx = out.indexOf('\n' + fn_name);
if (idx >= 0) {
// once we have located the function frame
// we need to strip out everything before it (and its line)
var next_line = out.indexOf('\n', idx + 1);
out = out.substring(next_line + 1);
}
this.stack = out;
}
}
};
// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);
function replacer(key, value) {
if (util.isUndefined(value)) {
return '' + value;
}
if (util.isNumber(value) && !isFinite(value)) {
return value.toString();
}
if (util.isFunction(value) || util.isRegExp(value)) {
return value.toString();
}
return value;
}
function truncate(s, n) {
if (util.isString(s)) {
return s.length < n ? s : s.slice(0, n);
} else {
return s;
}
}
function getMessage(self) {
return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
self.operator + ' ' +
truncate(JSON.stringify(self.expected, replacer), 128);
}
// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.
// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided. All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.
function fail(actual, expected, message, operator, stackStartFunction) {
throw new assert.AssertionError({
message: message,
actual: actual,
expected: expected,
operator: operator,
stackStartFunction: stackStartFunction
});
}
// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;
// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.
function ok(value, message) {
if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;
// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);
assert.equal = function equal(actual, expected, message) {
if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};
// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);
assert.notEqual = function notEqual(actual, expected, message) {
if (actual == expected) {
fail(actual, expected, message, '!=', assert.notEqual);
}
};
// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);
assert.deepEqual = function deepEqual(actual, expected, message) {
if (!_deepEqual(actual, expected)) {
fail(actual, expected, message, 'deepEqual', assert.deepEqual);
}
};
function _deepEqual(actual, expected) {
// 7.1. All identical values are equivalent, as determined by ===.
if (actual === expected) {
return true;
} else if (util.isBuffer(actual) && util.isBuffer(expected)) {
if (actual.length != expected.length) return false;
for (var i = 0; i < actual.length; i++) {
if (actual[i] !== expected[i]) return false;
}
return true;
// 7.2. If the expected value is a Date object, the actual value is
// equivalent if it is also a Date object that refers to the same time.
} else if (util.isDate(actual) && util.isDate(expected)) {
return actual.getTime() === expected.getTime();
// 7.3 If the expected value is a RegExp object, the actual value is
// equivalent if it is also a RegExp object with the same source and
// properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
} else if (util.isRegExp(actual) && util.isRegExp(expected)) {
return actual.source === expected.source &&
actual.global === expected.global &&
actual.multiline === expected.multiline &&
actual.lastIndex === expected.lastIndex &&
actual.ignoreCase === expected.ignoreCase;
// 7.4. Other pairs that do not both pass typeof value == 'object',
// equivalence is determined by ==.
} else if (!util.isObject(actual) && !util.isObject(expected)) {
return actual == expected;
// 7.5 For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical 'prototype' property. Note: this
// accounts for both named and indexed properties on Arrays.
} else {
return objEquiv(actual, expected);
}
}
function isArguments(object) {
return Object.prototype.toString.call(object) == '[object Arguments]';
}
function objEquiv(a, b) {
if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
return false;
// an identical 'prototype' property.
if (a.prototype !== b.prototype) return false;
// if one is a primitive, the other must be same
if (util.isPrimitive(a) || util.isPrimitive(b)) {
return a === b;
}
var aIsArgs = isArguments(a),
bIsArgs = isArguments(b);
if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
return false;
if (aIsArgs) {
a = pSlice.call(a);
b = pSlice.call(b);
return _deepEqual(a, b);
}
var ka = objectKeys(a),
kb = objectKeys(b),
key, i;
// having the same number of owned properties (keys incorporates
// hasOwnProperty)
if (ka.length != kb.length)
return false;
//the same set of keys (although not necessarily the same order),
ka.sort();
kb.sort();
//~~~cheap key test
for (i = ka.length - 1; i >= 0; i--) {
if (ka[i] != kb[i])
return false;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for (i = ka.length - 1; i >= 0; i--) {
key = ka[i];
if (!_deepEqual(a[key], b[key])) return false;
}
return true;
}
// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
if (_deepEqual(actual, expected)) {
fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
}
};
// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);
assert.strictEqual = function strictEqual(actual, expected, message) {
if (actual !== expected) {
fail(actual, expected, message, '===', assert.strictEqual);
}
};
// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
if (actual === expected) {
fail(actual, expected, message, '!==', assert.notStrictEqual);
}
};
function expectedException(actual, expected) {
if (!actual || !expected) {
return false;
}
if (Object.prototype.toString.call(expected) == '[object RegExp]') {
return expected.test(actual);
} else if (actual instanceof expected) {
return true;
} else if (expected.call({}, actual) === true) {
return true;
}
return false;
}
function _throws(shouldThrow, block, expected, message) {
var actual;
if (util.isString(expected)) {
message = expected;
expected = null;
}
try {
block();
} catch (e) {
actual = e;
}
message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
(message ? ' ' + message : '.');
if (shouldThrow && !actual) {
fail(actual, expected, 'Missing expected exception' + message);
}
if (!shouldThrow && expectedException(actual, expected)) {
fail(actual, expected, 'Got unwanted exception' + message);
}
if ((shouldThrow && actual && expected &&
!expectedException(actual, expected)) || (!shouldThrow && actual)) {
throw actual;
}
}
// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);
assert.throws = function(block, /*optional*/error, /*optional*/message) {
_throws.apply(this, [true].concat(pSlice.call(arguments)));
};
// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
_throws.apply(this, [false].concat(pSlice.call(arguments)));
};
assert.ifError = function(err) { if (err) {throw err;}};
var objectKeys = Object.keys || function (obj) {
var keys = [];
for (var key in obj) {
if (hasOwn.call(obj, key)) keys.push(key);
}
return keys;
};
},{"util/":8}],6:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}
},{}],7:[function(require,module,exports){
module.exports = function isBuffer(arg) {
return arg && typeof arg === 'object'
&& typeof arg.copy === 'function'
&& typeof arg.fill === 'function'
&& typeof arg.readUInt8 === 'function';
}
},{}],8:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
if (!isString(f)) {
var objects = [];
for (var i = 0; i < arguments.length; i++) {
objects.push(inspect(arguments[i]));
}
return objects.join(' ');
}
var i = 1;
var args = arguments;
var len = args.length;
var str = String(f).replace(formatRegExp, function(x) {
if (x === '%%') return '%';
if (i >= len) return x;
switch (x) {
case '%s': return String(args[i++]);
case '%d': return Number(args[i++]);
case '%j':
try {
return JSON.stringify(args[i++]);
} catch (_) {
return '[Circular]';
}
default:
return x;
}
});
for (var x = args[i]; i < len; x = args[++i]) {
if (isNull(x) || !isObject(x)) {
str += ' ' + x;
} else {
str += ' ' + inspect(x);
}
}
return str;
};
// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
// Allow for deprecating things in the process of starting up.
if (isUndefined(global.process)) {
return function() {
return exports.deprecate(fn, msg).apply(this, arguments);
};
}
if (process.noDeprecation === true) {
return fn;
}
var warned = false;
function deprecated() {
if (!warned) {
if (process.throwDeprecation) {
throw new Error(msg);
} else if (process.traceDeprecation) {
console.trace(msg);
} else {
console.error(msg);
}
warned = true;
}
return fn.apply(this, arguments);
}
return deprecated;
};
var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
if (isUndefined(debugEnviron))
debugEnviron = process.env.NODE_DEBUG || '';
set = set.toUpperCase();
if (!debugs[set]) {
if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
var pid = process.pid;
debugs[set] = function() {
var msg = exports.format.apply(exports, arguments);
console.error('%s %d: %s', set, pid, msg);
};
} else {
debugs[set] = function() {};
}
}
return debugs[set];
};
/**
* Echos the value of a value. Trys to print the value out
* in the best way possible given the different types.
*
* @param {Object} obj The object to print out.
* @param {Object} opts Optional options object that alters the output.
*/
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
// default options
var ctx = {
seen: [],
stylize: stylizeNoColor
};
// legacy...
if (arguments.length >= 3) ctx.depth = arguments[2];
if (arguments.length >= 4) ctx.colors = arguments[3];
if (isBoolean(opts)) {
// legacy...
ctx.showHidden = opts;
} else if (opts) {
// got an "options" object
exports._extend(ctx, opts);
}
// set default options
if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
if (isUndefined(ctx.depth)) ctx.depth = 2;
if (isUndefined(ctx.colors)) ctx.colors = false;
if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
if (ctx.colors) ctx.stylize = stylizeWithColor;
return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
'bold' : [1, 22],
'italic' : [3, 23],
'underline' : [4, 24],
'inverse' : [7, 27],
'white' : [37, 39],
'grey' : [90, 39],
'black' : [30, 39],
'blue' : [34, 39],
'cyan' : [36, 39],
'green' : [32, 39],
'magenta' : [35, 39],
'red' : [31, 39],
'yellow' : [33, 39]
};
// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
'special': 'cyan',
'number': 'yellow',
'boolean': 'yellow',
'undefined': 'grey',
'null': 'bold',
'string': 'green',
'date': 'magenta',
// "name": intentionally not styling
'regexp': 'red'
};
function stylizeWithColor(str, styleType) {
var style = inspect.styles[styleType];
if (style) {
return '\u001b[' + inspect.colors[style][0] + 'm' + str +
'\u001b[' + inspect.colors[style][1] + 'm';
} else {
return str;
}
}
function stylizeNoColor(str, styleType) {
return str;
}
function arrayToHash(array) {
var hash = {};
array.forEach(function(val, idx) {
hash[val] = true;
});
return hash;
}
function formatValue(ctx, value, recurseTimes) {
// Provide a hook for user-specified inspect functions.
// Check that value is an object with an inspect function on it
if (ctx.customInspect &&
value &&
isFunction(value.inspect) &&
// Filter out the util module, it's inspect function is special
value.inspect !== exports.inspect &&
// Also filter out any prototype objects using the circular check.
!(value.constructor && value.constructor.prototype === value)) {
var ret = value.inspect(recurseTimes, ctx);
if (!isString(ret)) {
ret = formatValue(ctx, ret, recurseTimes);
}
return ret;
}
// Primitive types cannot have properties
var primitive = formatPrimitive(ctx, value);
if (primitive) {
return primitive;
}
// Look up the keys of the object.
var keys = Object.keys(value);
var visibleKeys = arrayToHash(keys);
if (ctx.showHidden) {
keys = Object.getOwnPropertyNames(value);
}
// IE doesn't make error fields non-enumerable
// http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
if (isError(value)
&& (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
return formatError(value);
}
// Some type of object without properties can be shortcutted.
if (keys.length === 0) {
if (isFunction(value)) {
var name = value.name ? ': ' + value.name : '';
return ctx.stylize('[Function' + name + ']', 'special');
}
if (isRegExp(value)) {
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
}
if (isDate(value)) {
return ctx.stylize(Date.prototype.toString.call(value), 'date');
}
if (isError(value)) {
return formatError(value);
}
}
var base = '', array = false, braces = ['{', '}'];
// Make Array say that they are Array
if (isArray(value)) {
array = true;
braces = ['[', ']'];
}
// Make functions say that they are functions
if (isFunction(value)) {
var n = value.name ? ': ' + value.name : '';
base = ' [Function' + n + ']';
}
// Make RegExps say that they are RegExps
if (isRegExp(value)) {
base = ' ' + RegExp.prototype.toString.call(value);
}
// Make dates with properties first say the date
if (isDate(value)) {
base = ' ' + Date.prototype.toUTCString.call(value);
}
// Make error with message first say the error
if (isError(value)) {
base = ' ' + formatError(value);
}
if (keys.length === 0 && (!array || value.length == 0)) {
return braces[0] + base + braces[1];
}
if (recurseTimes < 0) {
if (isRegExp(value)) {
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
} else {
return ctx.stylize('[Object]', 'special');
}
}
ctx.seen.push(value);
var output;
if (array) {
output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
} else {
output = keys.map(function(key) {
return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
});
}
ctx.seen.pop();
return reduceToSingleString(output, base, braces);
}
function formatPrimitive(ctx, value) {
if (isUndefined(value))
return ctx.stylize('undefined', 'undefined');
if (isString(value)) {
var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
.replace(/'/g, "\\'")
.replace(/\\"/g, '"') + '\'';
return ctx.stylize(simple, 'string');
}
if (isNumber(value))
return ctx.stylize('' + value, 'number');
if (isBoolean(value))
return ctx.stylize('' + value, 'boolean');
// For some reason typeof null is "object", so special case here.
if (isNull(value))
return ctx.stylize('null', 'null');
}
function formatError(value) {
return '[' + Error.prototype.toString.call(value) + ']';
}
function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
var output = [];
for (var i = 0, l = value.length; i < l; ++i) {
if (hasOwnProperty(value, String(i))) {
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
String(i), true));
} else {
output.push('');
}
}
keys.forEach(function(key) {
if (!key.match(/^\d+$/)) {
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
key, true));
}
});
return output;
}
function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
var name, str, desc;
desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
if (desc.get) {
if (desc.set) {
str = ctx.stylize('[Getter/Setter]', 'special');
} else {
str = ctx.stylize('[Getter]', 'special');
}
} else {
if (desc.set) {
str = ctx.stylize('[Setter]', 'special');
}
}
if (!hasOwnProperty(visibleKeys, key)) {
name = '[' + key + ']';
}
if (!str) {
if (ctx.seen.indexOf(desc.value) < 0) {
if (isNull(recurseTimes)) {
str = formatValue(ctx, desc.value, null);
} else {
str = formatValue(ctx, desc.value, recurseTimes - 1);
}
if (str.indexOf('\n') > -1) {
if (array) {
str = str.split('\n').map(function(line) {
return ' ' + line;
}).join('\n').substr(2);
} else {
str = '\n' + str.split('\n').map(function(line) {
return ' ' + line;
}).join('\n');
}
}
} else {
str = ctx.stylize('[Circular]', 'special');
}
}
if (isUndefined(name)) {
if (array && key.match(/^\d+$/)) {
return str;
}
name = JSON.stringify('' + key);
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
name = name.substr(1, name.length - 2);
name = ctx.stylize(name, 'name');
} else {
name = name.replace(/'/g, "\\'")
.replace(/\\"/g, '"')
.replace(/(^"|"$)/g, "'");
name = ctx.stylize(name, 'string');
}
}
return name + ': ' + str;
}
function reduceToSingleString(output, base, braces) {
var numLinesEst = 0;
var length = output.reduce(function(prev, cur) {
numLinesEst++;
if (cur.indexOf('\n') >= 0) numLinesEst++;
return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
}, 0);
if (length > 60) {
return braces[0] +
(base === '' ? '' : base + '\n ') +
' ' +
output.join(',\n ') +
' ' +
braces[1];
}
return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}
// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
return Array.isArray(ar);
}
exports.isArray = isArray;
function isBoolean(arg) {
return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;
function isNull(arg) {
return arg === null;
}
exports.isNull = isNull;
function isNullOrUndefined(arg) {
return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;
function isNumber(arg) {
return typeof arg === 'number';
}
exports.isNumber = isNumber;
function isString(arg) {
return typeof arg === 'string';
}
exports.isString = isString;
function isSymbol(arg) {
return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;
function isUndefined(arg) {
return arg === void 0;
}
exports.isUndefined = isUndefined;
function isRegExp(re) {
return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;
function isObject(arg) {
return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;
function isDate(d) {
return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;
function isError(e) {
return isObject(e) &&
(objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;
function isFunction(arg) {
return typeof arg === 'function';
}
exports.isFunction = isFunction;
function isPrimitive(arg) {
return arg === null ||
typeof arg === 'boolean' ||
typeof arg === 'number' ||
typeof arg === 'string' ||
typeof arg === 'symbol' || // ES6 symbol
typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;
exports.isBuffer = require('./support/isBuffer');
function objectToString(o) {
return Object.prototype.toString.call(o);
}
function pad(n) {
return n < 10 ? '0' + n.toString(10) : n.toString(10);
}
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
'Oct', 'Nov', 'Dec'];
// 26 Feb 16:19:34
function timestamp() {
var d = new Date();
var time = [pad(d.getHours()),
pad(d.getMinutes()),
pad(d.getSeconds())].join(':');
return [d.getDate(), months[d.getMonth()], time].join(' ');
}
// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};
/**
* Inherit the prototype methods from one constructor into another.
*
* The Function.prototype.inherits from lang.js rewritten as a standalone
* function (not on Function.prototype). NOTE: If this file is to be loaded
* during bootstrapping this function needs to be rewritten using some native
* functions as prototype setup using normal JavaScript does not work as
* expected during bootstrapping (see mirror.js in r114903).
*
* @param {function} ctor Constructor function which needs to inherit the
* prototype.
* @param {function} superCtor Constructor function to inherit prototype from.
*/
exports.inherits = require('inherits');
exports._extend = function(origin, add) {
// Don't do anything if add isn't an object
if (!add || !isObject(add)) return origin;
var keys = Object.keys(add);
var i = keys.length;
while (i--) {
origin[keys[i]] = add[keys[i]];
}
return origin;
};
function hasOwnProperty(obj, prop) {
return Object.prototype.hasOwnProperty.call(obj, prop);
}
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./support/isBuffer":7,"_process":13,"inherits":6}],9:[function(require,module,exports){
(function (global){
/*global window, global*/
var util = require("util")
var assert = require("assert")
var now = require("date-now")
var slice = Array.prototype.slice
var console
var times = {}
if (typeof global !== "undefined" && global.console) {
console = global.console
} else if (typeof window !== "undefined" && window.console) {
console = window.console
} else {
console = {}
}
var functions = [
[log, "log"],
[info, "info"],
[warn, "warn"],
[error, "error"],
[time, "time"],
[timeEnd, "timeEnd"],
[trace, "trace"],
[dir, "dir"],
[consoleAssert, "assert"]
]
for (var i = 0; i < functions.length; i++) {
var tuple = functions[i]
var f = tuple[0]
var name = tuple[1]
if (!console[name]) {
console[name] = f
}
}
module.exports = console
function log() {}
function info() {
console.log.apply(console, arguments)
}
function warn() {
console.log.apply(console, arguments)
}
function error() {
console.warn.apply(console, arguments)
}
function time(label) {
times[label] = now()
}
function timeEnd(label) {
var time = times[label]
if (!time) {
throw new Error("No such label: " + label)
}
var duration = now() - time
console.log(label + ": " + duration + "ms")
}
function trace() {
var err = new Error()
err.name = "Trace"
err.message = util.format.apply(null, arguments)
console.error(err.stack)
}
function dir(object) {
console.log(util.inspect(object) + "\n")
}
function consoleAssert(expression) {
if (!expression) {
var arr = slice.call(arguments, 1)
assert.ok(false, util.format.apply(null, arr))
}
}
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"assert":5,"date-now":10,"util":16}],10:[function(require,module,exports){
module.exports = now
function now() {
return new Date().getTime()
}
},{}],11:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
function EventEmitter() {
this._events = this._events || {};
this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;
// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;
EventEmitter.prototype._events = undefined;
EventEmitter.prototype._maxListeners = undefined;
// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
EventEmitter.defaultMaxListeners = 10;
// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function(n) {
if (!isNumber(n) || n < 0 || isNaN(n))
throw TypeError('n must be a positive number');
this._maxListeners = n;
return this;
};
EventEmitter.prototype.emit = function(type) {
var er, handler, len, args, i, listeners;
if (!this._events)
this._events = {};
// If there is no 'error' event listener then throw.
if (type === 'error') {
if (!this._events.error ||
(isObject(this._events.error) && !this._events.error.length)) {
er = arguments[1];
if (er instanceof Error) {
throw er; // Unhandled 'error' event
}
throw TypeError('Uncaught, unspecified "error" event.');
}
}
handler = this._events[type];
if (isUndefined(handler))
return false;
if (isFunction(handler)) {
switch (arguments.length) {
// fast cases
case 1:
handler.call(this);
break;
case 2:
handler.call(this, arguments[1]);
break;
case 3:
handler.call(this, arguments[1], arguments[2]);
break;
// slower
default:
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
handler.apply(this, args);
}
} else if (isObject(handler)) {
len = arguments.length;
args = new Array(len - 1);
for (i = 1; i < len; i++)
args[i - 1] = arguments[i];
listeners = handler.slice();
len = listeners.length;
for (i = 0; i < len; i++)
listeners[i].apply(this, args);
}
return true;
};
EventEmitter.prototype.addListener = function(type, listener) {
var m;
if (!isFunction(listener))
throw TypeError('listener must be a function');
if (!this._events)
this._events = {};
// To avoid recursion in the case that type === "newListener"! Before
// adding it to the listeners, first emit "newListener".
if (this._events.newListener)
this.emit('newListener', type,
isFunction(listener.listener) ?
listener.listener : listener);
if (!this._events[type])
// Optimize the case of one listener. Don't need the extra array object.
this._events[type] = listener;
else if (isObject(this._events[type]))
// If we've already got an array, just append.
this._events[type].push(listener);
else
// Adding the second element, need to change to array.
this._events[type] = [this._events[type], listener];
// Check for listener leak
if (isObject(this._events[type]) && !this._events[type].warned) {
var m;
if (!isUndefined(this._maxListeners)) {
m = this._maxListeners;
} else {
m = EventEmitter.defaultMaxListeners;
}
if (m && m > 0 && this._events[type].length > m) {
this._events[type].warned = true;
console.error('(node) warning: possible EventEmitter memory ' +
'leak detected. %d listeners added. ' +
'Use emitter.setMaxListeners() to increase limit.',
this._events[type].length);
if (typeof console.trace === 'function') {
// not supported in IE 10
console.trace();
}
}
}
return this;
};
EventEmitter.prototype.on = EventEmitter.prototype.addListener;
EventEmitter.prototype.once = function(type, listener) {
if (!isFunction(listener))
throw TypeError('listener must be a function');
var fired = false;
function g() {
this.removeListener(type, g);
if (!fired) {
fired = true;
listener.apply(this, arguments);
}
}
g.listener = listener;
this.on(type, g);
return this;
};
// emits a 'removeListener' event iff the listener was removed
EventEmitter.prototype.removeListener = function(type, listener) {
var list, position, length, i;
if (!isFunction(listener))
throw TypeError('listener must be a function');
if (!this._events || !this._events[type])
return this;
list = this._events[type];
length = list.length;
position = -1;
if (list === listener ||
(isFunction(list.listener) && list.listener === listener)) {
delete this._events[type];
if (this._events.removeListener)
this.emit('removeListener', type, listener);
} else if (isObject(list)) {
for (i = length; i-- > 0;) {
if (list[i] === listener ||
(list[i].listener && list[i].listener === listener)) {
position = i;
break;
}
}
if (position < 0)
return this;
if (list.length === 1) {
list.length = 0;
delete this._events[type];
} else {
list.splice(position, 1);
}
if (this._events.removeListener)
this.emit('removeListener', type, listener);
}
return this;
};
EventEmitter.prototype.removeAllListeners = function(type) {
var key, listeners;
if (!this._events)
return this;
// not listening for removeListener, no need to emit
if (!this._events.removeListener) {
if (arguments.length === 0)
this._events = {};
else if (this._events[type])
delete this._events[type];
return this;
}
// emit removeListener for all listeners on all events
if (arguments.length === 0) {
for (key in this._events) {
if (key === 'removeListener') continue;
this.removeAllListeners(key);
}
this.removeAllListeners('removeListener');
this._events = {};
return this;
}
listeners = this._events[type];
if (isFunction(listeners)) {
this.removeListener(type, listeners);
} else {
// LIFO order
while (listeners.length)
this.removeListener(type, listeners[listeners.length - 1]);
}
delete this._events[type];
return this;
};
EventEmitter.prototype.listeners = function(type) {
var ret;
if (!this._events || !this._events[type])
ret = [];
else if (isFunction(this._events[type]))
ret = [this._events[type]];
else
ret = this._events[type].slice();
return ret;
};
EventEmitter.listenerCount = function(emitter, type) {
var ret;
if (!emitter._events || !emitter._events[type])
ret = 0;
else if (isFunction(emitter._events[type]))
ret = 1;
else
ret = emitter._events[type].length;
return ret;
};
function isFunction(arg) {
return typeof arg === 'function';
}
function isNumber(arg) {
return typeof arg === 'number';
}
function isObject(arg) {
return typeof arg === 'object' && arg !== null;
}
function isUndefined(arg) {
return arg === void 0;
}
},{}],12:[function(require,module,exports){
(function (global){
/**
* @license
* Lodash
* Copyright OpenJS Foundation and other contributors
* Released under MIT license
* Based on Underscore.js 1.8.3
* Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
*/
;(function() {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */
var undefined;
/** Used as the semantic version number. */
var VERSION = '4.17.20';
/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;
/** Error message constants. */
var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
FUNC_ERROR_TEXT = 'Expected a function';
/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';
/** Used as the maximum memoize cache size. */
var MAX_MEMOIZE_SIZE = 500;
/** Used as the internal argument placeholder. */
var PLACEHOLDER = '__lodash_placeholder__';
/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG = 1,
CLONE_FLAT_FLAG = 2,
CLONE_SYMBOLS_FLAG = 4;
/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
COMPARE_UNORDERED_FLAG = 2;
/** Used to compose bitmasks for function metadata. */
var WRAP_BIND_FLAG = 1,
WRAP_BIND_KEY_FLAG = 2,
WRAP_CURRY_BOUND_FLAG = 4,
WRAP_CURRY_FLAG = 8,
WRAP_CURRY_RIGHT_FLAG = 16,
WRAP_PARTIAL_FLAG = 32,
WRAP_PARTIAL_RIGHT_FLAG = 64,
WRAP_ARY_FLAG = 128,
WRAP_REARG_FLAG = 256,
WRAP_FLIP_FLAG = 512;
/** Used as default options for `_.truncate`. */
var DEFAULT_TRUNC_LENGTH = 30,
DEFAULT_TRUNC_OMISSION = '...';
/** Used to detect hot functions by number of calls within a span of milliseconds. */
var HOT_COUNT = 800,
HOT_SPAN = 16;
/** Used to indicate the type of lazy iteratees. */
var LAZY_FILTER_FLAG = 1,
LAZY_MAP_FLAG = 2,
LAZY_WHILE_FLAG = 3;
/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0,
MAX_SAFE_INTEGER = 9007199254740991,
MAX_INTEGER = 1.7976931348623157e+308,
NAN = 0 / 0;
/** Used as references for the maximum length and index of an array. */
var MAX_ARRAY_LENGTH = 4294967295,
MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
/** Used to associate wrap methods with their bit flags. */
var wrapFlags = [
['ary', WRAP_ARY_FLAG],
['bind', WRAP_BIND_FLAG],
['bindKey', WRAP_BIND_KEY_FLAG],
['curry', WRAP_CURRY_FLAG],
['curryRight', WRAP_CURRY_RIGHT_FLAG],
['flip', WRAP_FLIP_FLAG],
['partial', WRAP_PARTIAL_FLAG],
['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
['rearg', WRAP_REARG_FLAG]
];
/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
arrayTag = '[object Array]',
asyncTag = '[object AsyncFunction]',
boolTag = '[object Boolean]',
dateTag = '[object Date]',
domExcTag = '[object DOMException]',
errorTag = '[object Error]',
funcTag = '[object Function]',
genTag = '[object GeneratorFunction]',
mapTag = '[object Map]',
numberTag = '[object Number]',
nullTag = '[object Null]',
objectTag = '[object Object]',
promiseTag = '[object Promise]',
proxyTag = '[object Proxy]',
regexpTag = '[object RegExp]',
setTag = '[object Set]',
stringTag = '[object String]',
symbolTag = '[object Symbol]',
undefinedTag = '[object Undefined]',
weakMapTag = '[object WeakMap]',
weakSetTag = '[object WeakSet]';
var arrayBufferTag = '[object ArrayBuffer]',
dataViewTag = '[object DataView]',
float32Tag = '[object Float32Array]',
float64Tag = '[object Float64Array]',
int8Tag = '[object Int8Array]',
int16Tag = '[object Int16Array]',
int32Tag = '[object Int32Array]',
uint8Tag = '[object Uint8Array]',
uint8ClampedTag = '[object Uint8ClampedArray]',
uint16Tag = '[object Uint16Array]',
uint32Tag = '[object Uint32Array]';
/** Used to match empty string literals in compiled template source. */
var reEmptyStringLeading = /\b__p \+= '';/g,
reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
/** Used to match HTML entities and HTML characters. */
var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
reUnescapedHtml = /[&<>"']/g,
reHasEscapedHtml = RegExp(reEscapedHtml.source),
reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
/** Used to match template delimiters. */
var reEscape = /<%-([\s\S]+?)%>/g,
reEvaluate = /<%([\s\S]+?)%>/g,
reInterpolate = /<%=([\s\S]+?)%>/g;
/** Used to match property names within property paths. */
var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
reIsPlainProp = /^\w*$/,
rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
/**
* Used to match `RegExp`
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
*/
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
reHasRegExpChar = RegExp(reRegExpChar.source);
/** Used to match leading and trailing whitespace. */
var reTrim = /^\s+|\s+$/g,
reTrimStart = /^\s+/,
reTrimEnd = /\s+$/;
/** Used to match wrap detail comments. */
var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
reSplitDetails = /,? & /;
/** Used to match words composed of alphanumeric characters. */
var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
/** Used to match backslashes in property paths. */
var reEscapeChar = /\\(\\)?/g;
/**
* Used to match
* [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
*/
var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;
/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
/** Used to detect binary string values. */
var reIsBinary = /^0b[01]+$/i;
/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;
/** Used to detect octal string values. */
var reIsOctal = /^0o[0-7]+$/i;
/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;
/** Used to match Latin Unicode letters (excluding mathematical operators). */
var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
/** Used to ensure capturing order of template delimiters. */
var reNoMatch = /($^)/;
/** Used to match unescaped characters in compiled string literals. */
var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
/** Used to compose unicode character classes. */
var rsAstralRange = '\\ud800-\\udfff',
rsComboMarksRange = '\\u0300-\\u036f',
reComboHalfMarksRange = '\\ufe20-\\ufe2f',
rsComboSymbolsRange = '\\u20d0-\\u20ff',
rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
rsDingbatRange = '\\u2700-\\u27bf',
rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
rsPunctuationRange = '\\u2000-\\u206f',
rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
rsVarRange = '\\ufe0e\\ufe0f',
rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
/** Used to compose unicode capture groups. */
var rsApos = "['\u2019]",
rsAstral = '[' + rsAstralRange + ']',
rsBreak = '[' + rsBreakRange + ']',
rsCombo = '[' + rsComboRange + ']',
rsDigits = '\\d+',
rsDingbat = '[' + rsDingbatRange + ']',
rsLower = '[' + rsLowerRange + ']',
rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
rsFitz = '\\ud83c[\\udffb-\\udfff]',
rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
rsNonAstral = '[^' + rsAstralRange + ']',
rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
rsUpper = '[' + rsUpperRange + ']',
rsZWJ = '\\u200d';
/** Used to compose unicode regexes. */
var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
reOptMod = rsModifier + '?',
rsOptVar = '[' + rsVarRange + ']?',
rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
rsSeq = rsOptVar + reOptMod + rsOptJoin,
rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
/** Used to match apostrophes. */
var reApos = RegExp(rsApos, 'g');
/**
* Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
* [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
*/
var reComboMark = RegExp(rsCombo, 'g');
/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
/** Used to match complex or compound words. */
var reUnicodeWord = RegExp([
rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
rsUpper + '+' + rsOptContrUpper,
rsOrdUpper,
rsOrdLower,
rsDigits,
rsEmoji
].join('|'), 'g');
/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');
/** Used to detect strings that need a more robust regexp to match words. */
var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
/** Used to assign default `context` object properties. */
var contextProps = [
'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
'_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
];
/** Used to make template sourceURLs easier to identify. */
var templateCounter = -1;
/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;
/** Used to identify `toStringTag` values supported by `_.clone`. */
var cloneableTags = {};
cloneableTags[argsTag] = cloneableTags[arrayTag] =
cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
cloneableTags[boolTag] = cloneableTags[dateTag] =
cloneableTags[float32Tag] = cloneableTags[float64Tag] =
cloneableTags[int8Tag] = cloneableTags[int16Tag] =
cloneableTags[int32Tag] = cloneableTags[mapTag] =
cloneableTags[numberTag] = cloneableTags[objectTag] =
cloneableTags[regexpTag] = cloneableTags[setTag] =
cloneableTags[stringTag] = cloneableTags[symbolTag] =
cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
cloneableTags[errorTag] = cloneableTags[funcTag] =
cloneableTags[weakMapTag] = false;
/** Used to map Latin Unicode letters to basic Latin letters. */
var deburredLetters = {
// Latin-1 Supplement block.
'\xc0': 'A', '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
'\xe0': 'a', '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
'\xc7': 'C', '\xe7': 'c',
'\xd0': 'D', '\xf0': 'd',
'\xc8': 'E', '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
'\xe8': 'e', '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
'\xcc': 'I', '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
'\xec': 'i', '\xed': 'i', '\xee': 'i', '\xef': 'i',
'\xd1': 'N', '\xf1': 'n',
'\xd2': 'O', '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
'\xf2': 'o', '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
'\xd9': 'U', '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
'\xf9': 'u', '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
'\xdd': 'Y', '\xfd': 'y', '\xff': 'y',
'\xc6': 'Ae', '\xe6': 'ae',
'\xde': 'Th', '\xfe': 'th',
'\xdf': 'ss',
// Latin Extended-A block.
'\u0100': 'A', '\u0102': 'A', '\u0104': 'A',
'\u0101': 'a', '\u0103': 'a', '\u0105': 'a',
'\u0106': 'C', '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
'\u0107': 'c', '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
'\u010e': 'D', '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
'\u0112': 'E', '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
'\u0113': 'e', '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
'\u011c': 'G', '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
'\u011d': 'g', '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
'\u0124': 'H', '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
'\u0128': 'I', '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
'\u0129': 'i', '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
'\u0134': 'J', '\u0135': 'j',
'\u0136': 'K', '\u0137': 'k', '\u0138': 'k',
'\u0139': 'L', '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
'\u013a': 'l', '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
'\u0143': 'N', '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
'\u0144': 'n', '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
'\u014c': 'O', '\u014e': 'O', '\u0150': 'O',
'\u014d': 'o', '\u014f': 'o', '\u0151': 'o',
'\u0154': 'R', '\u0156': 'R', '\u0158': 'R',
'\u0155': 'r', '\u0157': 'r', '\u0159': 'r',
'\u015a': 'S', '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
'\u015b': 's', '\u015d': 's', '\u015f': 's', '\u0161': 's',
'\u0162': 'T', '\u0164': 'T', '\u0166': 'T',
'\u0163': 't', '\u0165': 't', '\u0167': 't',
'\u0168': 'U', '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
'\u0169': 'u', '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
'\u0174': 'W', '\u0175': 'w',
'\u0176': 'Y', '\u0177': 'y', '\u0178': 'Y',
'\u0179': 'Z', '\u017b': 'Z', '\u017d': 'Z',
'\u017a': 'z', '\u017c': 'z', '\u017e': 'z',
'\u0132': 'IJ', '\u0133': 'ij',
'\u0152': 'Oe', '\u0153': 'oe',
'\u0149': "'n", '\u017f': 's'
};
/** Used to map characters to HTML entities. */
var htmlEscapes = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
/** Used to map HTML entities to characters. */
var htmlUnescapes = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
''': "'"
};
/** Used to escape characters for inclusion in compiled string literals. */
var stringEscapes = {
'\\': '\\',
"'": "'",
'\n': 'n',
'\r': 'r',
'\u2028': 'u2028',
'\u2029': 'u2029'
};
/** Built-in method references without a dependency on `root`. */
var freeParseFloat = parseFloat,
freeParseInt = parseInt;
/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();
/** Detect free variable `exports`. */
var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
/** Detect free variable `module`. */
var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;
/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && freeGlobal.process;
/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
try {
// Use `util.types` for Node.js 10+.
var types = freeModule && freeModule.require && freeModule.require('util').types;
if (types) {
return types;
}
// Legacy `process.binding('util')` for Node.js < 10.
return freeProcess && freeProcess.binding && freeProcess.binding('util');
} catch (e) {}
}());
/* Node.js helper references. */
var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
nodeIsDate = nodeUtil && nodeUtil.isDate,
nodeIsMap = nodeUtil && nodeUtil.isMap,
nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
nodeIsSet = nodeUtil && nodeUtil.isSet,
nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
/*--------------------------------------------------------------------------*/
/**
* A faster alternative to `Function#apply`, this function invokes `func`
* with the `this` binding of `thisArg` and the arguments of `args`.
*
* @private
* @param {Function} func The function to invoke.
* @param {*} thisArg The `this` binding of `func`.
* @param {Array} args The arguments to invoke `func` with.
* @returns {*} Returns the result of `func`.
*/
function apply(func, thisArg, args) {
switch (args.length) {
case 0: return func.call(thisArg);
case 1: return func.call(thisArg, args[0]);
case 2: return func.call(thisArg, args[0], args[1]);
case 3: return func.call(thisArg, args[0], args[1], args[2]);
}
return func.apply(thisArg, args);
}
/**
* A specialized version of `baseAggregator` for arrays.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} setter The function to set `accumulator` values.
* @param {Function} iteratee The iteratee to transform keys.
* @param {Object} accumulator The initial aggregated object.
* @returns {Function} Returns `accumulator`.
*/
function arrayAggregator(array, setter, iteratee, accumulator) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
var value = array[index];
setter(accumulator, value, iteratee(value), array);
}
return accumulator;
}
/**
* A specialized version of `_.forEach` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns `array`.
*/
function arrayEach(array, iteratee) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
if (iteratee(array[index], index, array) === false) {
break;
}
}
return array;
}
/**
* A specialized version of `_.forEachRight` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns `array`.
*/
function arrayEachRight(array, iteratee) {
var length = array == null ? 0 : array.length;
while (length--) {
if (iteratee(array[length], length, array) === false) {
break;
}
}
return array;
}
/**
* A specialized version of `_.every` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
*/
function arrayEvery(array, predicate) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
if (!predicate(array[index], index, array)) {
return false;
}
}
return true;
}
/**
* A specialized version of `_.filter` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
*/
function arrayFilter(array, predicate) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (predicate(value, index, array)) {
result[resIndex++] = value;
}
}
return result;
}
/**
* A specialized version of `_.includes` for arrays without support for
* specifying an index to search from.
*
* @private
* @param {Array} [array] The array to inspect.
* @param {*} target The value to search for.
* @returns {boolean} Returns `true` if `target` is found, else `false`.
*/
function arrayIncludes(array, value) {
var length = array == null ? 0 : array.length;
return !!length && baseIndexOf(array, value, 0) > -1;
}
/**
* This function is like `arrayIncludes` except that it accepts a comparator.
*
* @private
* @param {Array} [array] The array to inspect.
* @param {*} target The value to search for.
* @param {Function} comparator The comparator invoked per element.
* @returns {boolean} Returns `true` if `target` is found, else `false`.
*/
function arrayIncludesWith(array, value, comparator) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
if (comparator(value, array[index])) {
return true;
}
}
return false;
}
/**
* A specialized version of `_.map` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the new mapped array.
*/
function arrayMap(array, iteratee) {
var index = -1,
length = array == null ? 0 : array.length,
result = Array(length);
while (++index < length) {
result[index] = iteratee(array[index], index, array);
}
return result;
}
/**
* Appends the elements of `values` to `array`.
*
* @private
* @param {Array} array The array to modify.
* @param {Array} values The values to append.
* @returns {Array} Returns `array`.
*/
function arrayPush(array, values) {
var index = -1,
length = values.length,
offset = array.length;
while (++index < length) {
array[offset + index] = values[index];
}
return array;
}
/**
* A specialized version of `_.reduce` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {*} [accumulator] The initial value.
* @param {boolean} [initAccum] Specify using the first element of `array` as
* the initial value.
* @returns {*} Returns the accumulated value.
*/
function arrayReduce(array, iteratee, accumulator, initAccum) {
var index = -1,
length = array == null ? 0 : array.length;
if (initAccum && length) {
accumulator = array[++index];
}
while (++index < length) {
accumulator = iteratee(accumulator, array[index], index, array);
}
return accumulator;
}
/**
* A specialized version of `_.reduceRight` for arrays without support for
* iteratee shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {*} [accumulator] The initial value.
* @param {boolean} [initAccum] Specify using the last element of `array` as
* the initial value.
* @returns {*} Returns the accumulated value.
*/
function arrayReduceRight(array, iteratee, accumulator, initAccum) {
var length = array == null ? 0 : array.length;
if (initAccum && length) {
accumulator = array[--length];
}
while (length--) {
accumulator = iteratee(accumulator, array[length], length, array);
}
return accumulator;
}
/**
* A specialized version of `_.some` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} [array] The array to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
*/
function arraySome(array, predicate) {
var index = -1,
length = array == null ? 0 : array.length;
while (++index < length) {
if (predicate(array[index], index, array)) {
return true;
}
}
return false;
}
/**
* Gets the size of an ASCII `string`.
*
* @private
* @param {string} string The string inspect.
* @returns {number} Returns the string size.
*/
var asciiSize = baseProperty('length');
/**
* Converts an ASCII `string` to an array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the converted array.
*/
function asciiToArray(string) {
return string.split('');
}
/**
* Splits an ASCII `string` into an array of its words.
*
* @private
* @param {string} The string to inspect.
* @returns {Array} Returns the words of `string`.
*/
function asciiWords(string) {
return string.match(reAsciiWord) || [];
}
/**
* The base implementation of methods like `_.findKey` and `_.findLastKey`,
* without support for iteratee shorthands, which iterates over `collection`
* using `eachFunc`.
*
* @private
* @param {Array|Object} collection The collection to inspect.
* @param {Function} predicate The function invoked per iteration.
* @param {Function} eachFunc The function to iterate over `collection`.
* @returns {*} Returns the found element or its key, else `undefined`.
*/
function baseFindKey(collection, predicate, eachFunc) {
var result;
eachFunc(collection, function(value, key, collection) {
if (predicate(value, key, collection)) {
result = key;
return false;
}
});
return result;
}
/**
* The base implementation of `_.findIndex` and `_.findLastIndex` without
* support for iteratee shorthands.
*
* @private
* @param {Array} array The array to inspect.
* @param {Function} predicate The function invoked per iteration.
* @param {number} fromIndex The index to search from.
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function baseFindIndex(array, predicate, fromIndex, fromRight) {
var length = array.length,
index = fromIndex + (fromRight ? 1 : -1);
while ((fromRight ? index-- : ++index < length)) {
if (predicate(array[index], index, array)) {
return index;
}
}
return -1;
}
/**
* The base implementation of `_.indexOf` without `fromIndex` bounds checks.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function baseIndexOf(array, value, fromIndex) {
return value === value
? strictIndexOf(array, value, fromIndex)
: baseFindIndex(array, baseIsNaN, fromIndex);
}
/**
* This function is like `baseIndexOf` except that it accepts a comparator.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @param {Function} comparator The comparator invoked per element.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function baseIndexOfWith(array, value, fromIndex, comparator) {
var index = fromIndex - 1,
length = array.length;
while (++index < length) {
if (comparator(array[index], value)) {
return index;
}
}
return -1;
}
/**
* The base implementation of `_.isNaN` without support for number objects.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
*/
function baseIsNaN(value) {
return value !== value;
}
/**
* The base implementation of `_.mean` and `_.meanBy` without support for
* iteratee shorthands.
*
* @private
* @param {Array} array The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {number} Returns the mean.
*/
function baseMean(array, iteratee) {
var length = array == null ? 0 : array.length;
return length ? (baseSum(array, iteratee) / length) : NAN;
}
/**
* The base implementation of `_.property` without support for deep paths.
*
* @private
* @param {string} key The key of the property to get.
* @returns {Function} Returns the new accessor function.
*/
function baseProperty(key) {
return function(object) {
return object == null ? undefined : object[key];
};
}
/**
* The base implementation of `_.propertyOf` without support for deep paths.
*
* @private
* @param {Object} object The object to query.
* @returns {Function} Returns the new accessor function.
*/
function basePropertyOf(object) {
return function(key) {
return object == null ? undefined : object[key];
};
}
/**
* The base implementation of `_.reduce` and `_.reduceRight`, without support
* for iteratee shorthands, which iterates over `collection` using `eachFunc`.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {*} accumulator The initial value.
* @param {boolean} initAccum Specify using the first or last element of
* `collection` as the initial value.
* @param {Function} eachFunc The function to iterate over `collection`.
* @returns {*} Returns the accumulated value.
*/
function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
eachFunc(collection, function(value, index, collection) {
accumulator = initAccum
? (initAccum = false, value)
: iteratee(accumulator, value, index, collection);
});
return accumulator;
}
/**
* The base implementation of `_.sortBy` which uses `comparer` to define the
* sort order of `array` and replaces criteria objects with their corresponding
* values.
*
* @private
* @param {Array} array The array to sort.
* @param {Function} comparer The function to define sort order.
* @returns {Array} Returns `array`.
*/
function baseSortBy(array, comparer) {
var length = array.length;
array.sort(comparer);
while (length--) {
array[length] = array[length].value;
}
return array;
}
/**
* The base implementation of `_.sum` and `_.sumBy` without support for
* iteratee shorthands.
*
* @private
* @param {Array} array The array to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {number} Returns the sum.
*/
function baseSum(array, iteratee) {
var result,
index = -1,
length = array.length;
while (++index < length) {
var current = iteratee(array[index]);
if (current !== undefined) {
result = result === undefined ? current : (result + current);
}
}
return result;
}
/**
* The base implementation of `_.times` without support for iteratee shorthands
* or max array length checks.
*
* @private
* @param {number} n The number of times to invoke `iteratee`.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the array of results.
*/
function baseTimes(n, iteratee) {
var index = -1,
result = Array(n);
while (++index < n) {
result[index] = iteratee(index);
}
return result;
}
/**
* The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
* of key-value pairs for `object` corresponding to the property names of `props`.
*
* @private
* @param {Object} object The object to query.
* @param {Array} props The property names to get values for.
* @returns {Object} Returns the key-value pairs.
*/
function baseToPairs(object, props) {
return arrayMap(props, function(key) {
return [key, object[key]];
});
}
/**
* The base implementation of `_.unary` without support for storing metadata.
*
* @private
* @param {Function} func The function to cap arguments for.
* @returns {Function} Returns the new capped function.
*/
function baseUnary(func) {
return function(value) {
return func(value);
};
}
/**
* The base implementation of `_.values` and `_.valuesIn` which creates an
* array of `object` property values corresponding to the property names
* of `props`.
*
* @private
* @param {Object} object The object to query.
* @param {Array} props The property names to get values for.
* @returns {Object} Returns the array of property values.
*/
function baseValues(object, props) {
return arrayMap(props, function(key) {
return object[key];
});
}
/**
* Checks if a `cache` value for `key` exists.
*
* @private
* @param {Object} cache The cache to query.
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function cacheHas(cache, key) {
return cache.has(key);
}
/**
* Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
* that is not found in the character symbols.
*
* @private
* @param {Array} strSymbols The string symbols to inspect.
* @param {Array} chrSymbols The character symbols to find.
* @returns {number} Returns the index of the first unmatched string symbol.
*/
function charsStartIndex(strSymbols, chrSymbols) {
var index = -1,
length = strSymbols.length;
while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
return index;
}
/**
* Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
* that is not found in the character symbols.
*
* @private
* @param {Array} strSymbols The string symbols to inspect.
* @param {Array} chrSymbols The character symbols to find.
* @returns {number} Returns the index of the last unmatched string symbol.
*/
function charsEndIndex(strSymbols, chrSymbols) {
var index = strSymbols.length;
while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
return index;
}
/**
* Gets the number of `placeholder` occurrences in `array`.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} placeholder The placeholder to search for.
* @returns {number} Returns the placeholder count.
*/
function countHolders(array, placeholder) {
var length = array.length,
result = 0;
while (length--) {
if (array[length] === placeholder) {
++result;
}
}
return result;
}
/**
* Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
* letters to basic Latin letters.
*
* @private
* @param {string} letter The matched letter to deburr.
* @returns {string} Returns the deburred letter.
*/
var deburrLetter = basePropertyOf(deburredLetters);
/**
* Used by `_.escape` to convert characters to HTML entities.
*
* @private
* @param {string} chr The matched character to escape.
* @returns {string} Returns the escaped character.
*/
var escapeHtmlChar = basePropertyOf(htmlEscapes);
/**
* Used by `_.template` to escape characters for inclusion in compiled string literals.
*
* @private
* @param {string} chr The matched character to escape.
* @returns {string} Returns the escaped character.
*/
function escapeStringChar(chr) {
return '\\' + stringEscapes[chr];
}
/**
* Gets the value at `key` of `object`.
*
* @private
* @param {Object} [object] The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function getValue(object, key) {
return object == null ? undefined : object[key];
}
/**
* Checks if `string` contains Unicode symbols.
*
* @private
* @param {string} string The string to inspect.
* @returns {boolean} Returns `true` if a symbol is found, else `false`.
*/
function hasUnicode(string) {
return reHasUnicode.test(string);
}
/**
* Checks if `string` contains a word composed of Unicode symbols.
*
* @private
* @param {string} string The string to inspect.
* @returns {boolean} Returns `true` if a word is found, else `false`.
*/
function hasUnicodeWord(string) {
return reHasUnicodeWord.test(string);
}
/**
* Converts `iterator` to an array.
*
* @private
* @param {Object} iterator The iterator to convert.
* @returns {Array} Returns the converted array.
*/
function iteratorToArray(iterator) {
var data,
result = [];
while (!(data = iterator.next()).done) {
result.push(data.value);
}
return result;
}
/**
* Converts `map` to its key-value pairs.
*
* @private
* @param {Object} map The map to convert.
* @returns {Array} Returns the key-value pairs.
*/
function mapToArray(map) {
var index = -1,
result = Array(map.size);
map.forEach(function(value, key) {
result[++index] = [key, value];
});
return result;
}
/**
* Creates a unary function that invokes `func` with its argument transformed.
*
* @private
* @param {Function} func The function to wrap.
* @param {Function} transform The argument transform.
* @returns {Function} Returns the new function.
*/
function overArg(func, transform) {
return function(arg) {
return func(transform(arg));
};
}
/**
* Replaces all `placeholder` elements in `array` with an internal placeholder
* and returns an array of their indexes.
*
* @private
* @param {Array} array The array to modify.
* @param {*} placeholder The placeholder to replace.
* @returns {Array} Returns the new array of placeholder indexes.
*/
function replaceHolders(array, placeholder) {
var index = -1,
length = array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (value === placeholder || value === PLACEHOLDER) {
array[index] = PLACEHOLDER;
result[resIndex++] = index;
}
}
return result;
}
/**
* Converts `set` to an array of its values.
*
* @private
* @param {Object} set The set to convert.
* @returns {Array} Returns the values.
*/
function setToArray(set) {
var index = -1,
result = Array(set.size);
set.forEach(function(value) {
result[++index] = value;
});
return result;
}
/**
* Converts `set` to its value-value pairs.
*
* @private
* @param {Object} set The set to convert.
* @returns {Array} Returns the value-value pairs.
*/
function setToPairs(set) {
var index = -1,
result = Array(set.size);
set.forEach(function(value) {
result[++index] = [value, value];
});
return result;
}
/**
* A specialized version of `_.indexOf` which performs strict equality
* comparisons of values, i.e. `===`.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function strictIndexOf(array, value, fromIndex) {
var index = fromIndex - 1,
length = array.length;
while (++index < length) {
if (array[index] === value) {
return index;
}
}
return -1;
}
/**
* A specialized version of `_.lastIndexOf` which performs strict equality
* comparisons of values, i.e. `===`.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} fromIndex The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function strictLastIndexOf(array, value, fromIndex) {
var index = fromIndex + 1;
while (index--) {
if (array[index] === value) {
return index;
}
}
return index;
}
/**
* Gets the number of symbols in `string`.
*
* @private
* @param {string} string The string to inspect.
* @returns {number} Returns the string size.
*/
function stringSize(string) {
return hasUnicode(string)
? unicodeSize(string)
: asciiSize(string);
}
/**
* Converts `string` to an array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the converted array.
*/
function stringToArray(string) {
return hasUnicode(string)
? unicodeToArray(string)
: asciiToArray(string);
}
/**
* Used by `_.unescape` to convert HTML entities to characters.
*
* @private
* @param {string} chr The matched character to unescape.
* @returns {string} Returns the unescaped character.
*/
var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
/**
* Gets the size of a Unicode `string`.
*
* @private
* @param {string} string The string inspect.
* @returns {number} Returns the string size.
*/
function unicodeSize(string) {
var result = reUnicode.lastIndex = 0;
while (reUnicode.test(string)) {
++result;
}
return result;
}
/**
* Converts a Unicode `string` to an array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the converted array.
*/
function unicodeToArray(string) {
return string.match(reUnicode) || [];
}
/**
* Splits a Unicode `string` into an array of its words.
*
* @private
* @param {string} The string to inspect.
* @returns {Array} Returns the words of `string`.
*/
function unicodeWords(string) {
return string.match(reUnicodeWord) || [];
}
/*--------------------------------------------------------------------------*/
/**
* Create a new pristine `lodash` function using the `context` object.
*
* @static
* @memberOf _
* @since 1.1.0
* @category Util
* @param {Object} [context=root] The context object.
* @returns {Function} Returns a new `lodash` function.
* @example
*
* _.mixin({ 'foo': _.constant('foo') });
*
* var lodash = _.runInContext();
* lodash.mixin({ 'bar': lodash.constant('bar') });
*
* _.isFunction(_.foo);
* // => true
* _.isFunction(_.bar);
* // => false
*
* lodash.isFunction(lodash.foo);
* // => false
* lodash.isFunction(lodash.bar);
* // => true
*
* // Create a suped-up `defer` in Node.js.
* var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
*/
var runInContext = (function runInContext(context) {
context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
/** Built-in constructor references. */
var Array = context.Array,
Date = context.Date,
Error = context.Error,
Function = context.Function,
Math = context.Math,
Object = context.Object,
RegExp = context.RegExp,
String = context.String,
TypeError = context.TypeError;
/** Used for built-in method references. */
var arrayProto = Array.prototype,
funcProto = Function.prototype,
objectProto = Object.prototype;
/** Used to detect overreaching core-js shims. */
var coreJsData = context['__core-js_shared__'];
/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;
/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;
/** Used to generate unique IDs. */
var idCounter = 0;
/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
return uid ? ('Symbol(src)_1.' + uid) : '';
}());
/**
* Used to resolve the
* [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
* of values.
*/
var nativeObjectToString = objectProto.toString;
/** Used to infer the `Object` constructor. */
var objectCtorString = funcToString.call(Object);
/** Used to restore the original `_` reference in `_.noConflict`. */
var oldDash = root._;
/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);
/** Built-in value references. */
var Buffer = moduleExports ? context.Buffer : undefined,
Symbol = context.Symbol,
Uint8Array = context.Uint8Array,
allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
getPrototype = overArg(Object.getPrototypeOf, Object),
objectCreate = Object.create,
propertyIsEnumerable = objectProto.propertyIsEnumerable,
splice = arrayProto.splice,
spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
symIterator = Symbol ? Symbol.iterator : undefined,
symToStringTag = Symbol ? Symbol.toStringTag : undefined;
var defineProperty = (function() {
try {
var func = getNative(Object, 'defineProperty');
func({}, '', {});
return func;
} catch (e) {}
}());
/** Mocked built-ins. */
var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
ctxNow = Date && Date.now !== root.Date.now && Date.now,
ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeCeil = Math.ceil,
nativeFloor = Math.floor,
nativeGetSymbols = Object.getOwnPropertySymbols,
nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
nativeIsFinite = context.isFinite,
nativeJoin = arrayProto.join,
nativeKeys = overArg(Object.keys, Object),
nativeMax = Math.max,
nativeMin = Math.min,
nativeNow = Date.now,
nativeParseInt = context.parseInt,
nativeRandom = Math.random,
nativeReverse = arrayProto.reverse;
/* Built-in method references that are verified to be native. */
var DataView = getNative(context, 'DataView'),
Map = getNative(context, 'Map'),
Promise = getNative(context, 'Promise'),
Set = getNative(context, 'Set'),
WeakMap = getNative(context, 'WeakMap'),
nativeCreate = getNative(Object, 'create');
/** Used to store function metadata. */
var metaMap = WeakMap && new WeakMap;
/** Used to lookup unminified function names. */
var realNames = {};
/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = toSource(DataView),
mapCtorString = toSource(Map),
promiseCtorString = toSource(Promise),
setCtorString = toSource(Set),
weakMapCtorString = toSource(WeakMap);
/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
symbolToString = symbolProto ? symbolProto.toString : undefined;
/*------------------------------------------------------------------------*/
/**
* Creates a `lodash` object which wraps `value` to enable implicit method
* chain sequences. Methods that operate on and return arrays, collections,
* and functions can be chained together. Methods that retrieve a single value
* or may return a primitive value will automatically end the chain sequence
* and return the unwrapped value. Otherwise, the value must be unwrapped
* with `_#value`.
*
* Explicit chain sequences, which must be unwrapped with `_#value`, may be
* enabled using `_.chain`.
*
* The execution of chained methods is lazy, that is, it's deferred until
* `_#value` is implicitly or explicitly called.
*
* Lazy evaluation allows several methods to support shortcut fusion.
* Shortcut fusion is an optimization to merge iteratee calls; this avoids
* the creation of intermediate arrays and can greatly reduce the number of
* iteratee executions. Sections of a chain sequence qualify for shortcut
* fusion if the section is applied to an array and iteratees accept only
* one argument. The heuristic for whether a section qualifies for shortcut
* fusion is subject to change.
*
* Chaining is supported in custom builds as long as the `_#value` method is
* directly or indirectly included in the build.
*
* In addition to lodash methods, wrappers have `Array` and `String` methods.
*
* The wrapper `Array` methods are:
* `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
*
* The wrapper `String` methods are:
* `replace` and `split`
*
* The wrapper methods that support shortcut fusion are:
* `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
* `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
* `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
*
* The chainable wrapper methods are:
* `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
* `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
* `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
* `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
* `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
* `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
* `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
* `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
* `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
* `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
* `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
* `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
* `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
* `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
* `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
* `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
* `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
* `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
* `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
* `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
* `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
* `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
* `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
* `zipObject`, `zipObjectDeep`, and `zipWith`
*
* The wrapper methods that are **not** chainable by default are:
* `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
* `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
* `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
* `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
* `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
* `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
* `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
* `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
* `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
* `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
* `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
* `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
* `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
* `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
* `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
* `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
* `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
* `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
* `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
* `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
* `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
* `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
* `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
* `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
* `upperFirst`, `value`, and `words`
*
* @name _
* @constructor
* @category Seq
* @param {*} value The value to wrap in a `lodash` instance.
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2, 3]);
*
* // Returns an unwrapped value.
* wrapped.reduce(_.add);
* // => 6
*
* // Returns a wrapped value.
* var squares = wrapped.map(square);
*
* _.isArray(squares);
* // => false
*
* _.isArray(squares.value());
* // => true
*/
function lodash(value) {
if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
if (value instanceof LodashWrapper) {
return value;
}
if (hasOwnProperty.call(value, '__wrapped__')) {
return wrapperClone(value);
}
}
return new LodashWrapper(value);
}
/**
* The base implementation of `_.create` without support for assigning
* properties to the created object.
*
* @private
* @param {Object} proto The object to inherit from.
* @returns {Object} Returns the new object.
*/
var baseCreate = (function() {
function object() {}
return function(proto) {
if (!isObject(proto)) {
return {};
}
if (objectCreate) {
return objectCreate(proto);
}
object.prototype = proto;
var result = new object;
object.prototype = undefined;
return result;
};
}());
/**
* The function whose prototype chain sequence wrappers inherit from.
*
* @private
*/
function baseLodash() {
// No operation performed.
}
/**
* The base constructor for creating `lodash` wrapper objects.
*
* @private
* @param {*} value The value to wrap.
* @param {boolean} [chainAll] Enable explicit method chain sequences.
*/
function LodashWrapper(value, chainAll) {
this.__wrapped__ = value;
this.__actions__ = [];
this.__chain__ = !!chainAll;
this.__index__ = 0;
this.__values__ = undefined;
}
/**
* By default, the template delimiters used by lodash are like those in
* embedded Ruby (ERB) as well as ES2015 template strings. Change the
* following template settings to use alternative delimiters.
*
* @static
* @memberOf _
* @type {Object}
*/
lodash.templateSettings = {
/**
* Used to detect `data` property values to be HTML-escaped.
*
* @memberOf _.templateSettings
* @type {RegExp}
*/
'escape': reEscape,
/**
* Used to detect code to be evaluated.
*
* @memberOf _.templateSettings
* @type {RegExp}
*/
'evaluate': reEvaluate,
/**
* Used to detect `data` property values to inject.
*
* @memberOf _.templateSettings
* @type {RegExp}
*/
'interpolate': reInterpolate,
/**
* Used to reference the data object in the template text.
*
* @memberOf _.templateSettings
* @type {string}
*/
'variable': '',
/**
* Used to import variables into the compiled template.
*
* @memberOf _.templateSettings
* @type {Object}
*/
'imports': {
/**
* A reference to the `lodash` function.
*
* @memberOf _.templateSettings.imports
* @type {Function}
*/
'_': lodash
}
};
// Ensure wrappers are instances of `baseLodash`.
lodash.prototype = baseLodash.prototype;
lodash.prototype.constructor = lodash;
LodashWrapper.prototype = baseCreate(baseLodash.prototype);
LodashWrapper.prototype.constructor = LodashWrapper;
/*------------------------------------------------------------------------*/
/**
* Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
*
* @private
* @constructor
* @param {*} value The value to wrap.
*/
function LazyWrapper(value) {
this.__wrapped__ = value;
this.__actions__ = [];
this.__dir__ = 1;
this.__filtered__ = false;
this.__iteratees__ = [];
this.__takeCount__ = MAX_ARRAY_LENGTH;
this.__views__ = [];
}
/**
* Creates a clone of the lazy wrapper object.
*
* @private
* @name clone
* @memberOf LazyWrapper
* @returns {Object} Returns the cloned `LazyWrapper` object.
*/
function lazyClone() {
var result = new LazyWrapper(this.__wrapped__);
result.__actions__ = copyArray(this.__actions__);
result.__dir__ = this.__dir__;
result.__filtered__ = this.__filtered__;
result.__iteratees__ = copyArray(this.__iteratees__);
result.__takeCount__ = this.__takeCount__;
result.__views__ = copyArray(this.__views__);
return result;
}
/**
* Reverses the direction of lazy iteration.
*
* @private
* @name reverse
* @memberOf LazyWrapper
* @returns {Object} Returns the new reversed `LazyWrapper` object.
*/
function lazyReverse() {
if (this.__filtered__) {
var result = new LazyWrapper(this);
result.__dir__ = -1;
result.__filtered__ = true;
} else {
result = this.clone();
result.__dir__ *= -1;
}
return result;
}
/**
* Extracts the unwrapped value from its lazy wrapper.
*
* @private
* @name value
* @memberOf LazyWrapper
* @returns {*} Returns the unwrapped value.
*/
function lazyValue() {
var array = this.__wrapped__.value(),
dir = this.__dir__,
isArr = isArray(array),
isRight = dir < 0,
arrLength = isArr ? array.length : 0,
view = getView(0, arrLength, this.__views__),
start = view.start,
end = view.end,
length = end - start,
index = isRight ? end : (start - 1),
iteratees = this.__iteratees__,
iterLength = iteratees.length,
resIndex = 0,
takeCount = nativeMin(length, this.__takeCount__);
if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
return baseWrapperValue(array, this.__actions__);
}
var result = [];
outer:
while (length-- && resIndex < takeCount) {
index += dir;
var iterIndex = -1,
value = array[index];
while (++iterIndex < iterLength) {
var data = iteratees[iterIndex],
iteratee = data.iteratee,
type = data.type,
computed = iteratee(value);
if (type == LAZY_MAP_FLAG) {
value = computed;
} else if (!computed) {
if (type == LAZY_FILTER_FLAG) {
continue outer;
} else {
break outer;
}
}
}
result[resIndex++] = value;
}
return result;
}
// Ensure `LazyWrapper` is an instance of `baseLodash`.
LazyWrapper.prototype = baseCreate(baseLodash.prototype);
LazyWrapper.prototype.constructor = LazyWrapper;
/*------------------------------------------------------------------------*/
/**
* Creates a hash object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Hash(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the hash.
*
* @private
* @name clear
* @memberOf Hash
*/
function hashClear() {
this.__data__ = nativeCreate ? nativeCreate(null) : {};
this.size = 0;
}
/**
* Removes `key` and its value from the hash.
*
* @private
* @name delete
* @memberOf Hash
* @param {Object} hash The hash to modify.
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function hashDelete(key) {
var result = this.has(key) && delete this.__data__[key];
this.size -= result ? 1 : 0;
return result;
}
/**
* Gets the hash value for `key`.
*
* @private
* @name get
* @memberOf Hash
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function hashGet(key) {
var data = this.__data__;
if (nativeCreate) {
var result = data[key];
return result === HASH_UNDEFINED ? undefined : result;
}
return hasOwnProperty.call(data, key) ? data[key] : undefined;
}
/**
* Checks if a hash value for `key` exists.
*
* @private
* @name has
* @memberOf Hash
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function hashHas(key) {
var data = this.__data__;
return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
}
/**
* Sets the hash `key` to `value`.
*
* @private
* @name set
* @memberOf Hash
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the hash instance.
*/
function hashSet(key, value) {
var data = this.__data__;
this.size += this.has(key) ? 0 : 1;
data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
return this;
}
// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;
/*------------------------------------------------------------------------*/
/**
* Creates an list cache object.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function ListCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the list cache.
*
* @private
* @name clear
* @memberOf ListCache
*/
function listCacheClear() {
this.__data__ = [];
this.size = 0;
}
/**
* Removes `key` and its value from the list cache.
*
* @private
* @name delete
* @memberOf ListCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function listCacheDelete(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
return false;
}
var lastIndex = data.length - 1;
if (index == lastIndex) {
data.pop();
} else {
splice.call(data, index, 1);
}
--this.size;
return true;
}
/**
* Gets the list cache value for `key`.
*
* @private
* @name get
* @memberOf ListCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function listCacheGet(key) {
var data = this.__data__,
index = assocIndexOf(data, key);
return index < 0 ? undefined : data[index][1];
}
/**
* Checks if a list cache value for `key` exists.
*
* @private
* @name has
* @memberOf ListCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function listCacheHas(key) {
return assocIndexOf(this.__data__, key) > -1;
}
/**
* Sets the list cache `key` to `value`.
*
* @private
* @name set
* @memberOf ListCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the list cache instance.
*/
function listCacheSet(key, value) {
var data = this.__data__,
index = assocIndexOf(data, key);
if (index < 0) {
++this.size;
data.push([key, value]);
} else {
data[index][1] = value;
}
return this;
}
// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;
/*------------------------------------------------------------------------*/
/**
* Creates a map cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function MapCache(entries) {
var index = -1,
length = entries == null ? 0 : entries.length;
this.clear();
while (++index < length) {
var entry = entries[index];
this.set(entry[0], entry[1]);
}
}
/**
* Removes all key-value entries from the map.
*
* @private
* @name clear
* @memberOf MapCache
*/
function mapCacheClear() {
this.size = 0;
this.__data__ = {
'hash': new Hash,
'map': new (Map || ListCache),
'string': new Hash
};
}
/**
* Removes `key` and its value from the map.
*
* @private
* @name delete
* @memberOf MapCache
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function mapCacheDelete(key) {
var result = getMapData(this, key)['delete'](key);
this.size -= result ? 1 : 0;
return result;
}
/**
* Gets the map value for `key`.
*
* @private
* @name get
* @memberOf MapCache
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function mapCacheGet(key) {
return getMapData(this, key).get(key);
}
/**
* Checks if a map value for `key` exists.
*
* @private
* @name has
* @memberOf MapCache
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function mapCacheHas(key) {
return getMapData(this, key).has(key);
}
/**
* Sets the map `key` to `value`.
*
* @private
* @name set
* @memberOf MapCache
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the map cache instance.
*/
function mapCacheSet(key, value) {
var data = getMapData(this, key),
size = data.size;
data.set(key, value);
this.size += data.size == size ? 0 : 1;
return this;
}
// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;
/*------------------------------------------------------------------------*/
/**
*
* Creates an array cache object to store unique values.
*
* @private
* @constructor
* @param {Array} [values] The values to cache.
*/
function SetCache(values) {
var index = -1,
length = values == null ? 0 : values.length;
this.__data__ = new MapCache;
while (++index < length) {
this.add(values[index]);
}
}
/**
* Adds `value` to the array cache.
*
* @private
* @name add
* @memberOf SetCache
* @alias push
* @param {*} value The value to cache.
* @returns {Object} Returns the cache instance.
*/
function setCacheAdd(value) {
this.__data__.set(value, HASH_UNDEFINED);
return this;
}
/**
* Checks if `value` is in the array cache.
*
* @private
* @name has
* @memberOf SetCache
* @param {*} value The value to search for.
* @returns {number} Returns `true` if `value` is found, else `false`.
*/
function setCacheHas(value) {
return this.__data__.has(value);
}
// Add methods to `SetCache`.
SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
SetCache.prototype.has = setCacheHas;
/*------------------------------------------------------------------------*/
/**
* Creates a stack cache object to store key-value pairs.
*
* @private
* @constructor
* @param {Array} [entries] The key-value pairs to cache.
*/
function Stack(entries) {
var data = this.__data__ = new ListCache(entries);
this.size = data.size;
}
/**
* Removes all key-value entries from the stack.
*
* @private
* @name clear
* @memberOf Stack
*/
function stackClear() {
this.__data__ = new ListCache;
this.size = 0;
}
/**
* Removes `key` and its value from the stack.
*
* @private
* @name delete
* @memberOf Stack
* @param {string} key The key of the value to remove.
* @returns {boolean} Returns `true` if the entry was removed, else `false`.
*/
function stackDelete(key) {
var data = this.__data__,
result = data['delete'](key);
this.size = data.size;
return result;
}
/**
* Gets the stack value for `key`.
*
* @private
* @name get
* @memberOf Stack
* @param {string} key The key of the value to get.
* @returns {*} Returns the entry value.
*/
function stackGet(key) {
return this.__data__.get(key);
}
/**
* Checks if a stack value for `key` exists.
*
* @private
* @name has
* @memberOf Stack
* @param {string} key The key of the entry to check.
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
*/
function stackHas(key) {
return this.__data__.has(key);
}
/**
* Sets the stack `key` to `value`.
*
* @private
* @name set
* @memberOf Stack
* @param {string} key The key of the value to set.
* @param {*} value The value to set.
* @returns {Object} Returns the stack cache instance.
*/
function stackSet(key, value) {
var data = this.__data__;
if (data instanceof ListCache) {
var pairs = data.__data__;
if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
pairs.push([key, value]);
this.size = ++data.size;
return this;
}
data = this.__data__ = new MapCache(pairs);
}
data.set(key, value);
this.size = data.size;
return this;
}
// Add methods to `Stack`.
Stack.prototype.clear = stackClear;
Stack.prototype['delete'] = stackDelete;
Stack.prototype.get = stackGet;
Stack.prototype.has = stackHas;
Stack.prototype.set = stackSet;
/*------------------------------------------------------------------------*/
/**
* Creates an array of the enumerable property names of the array-like `value`.
*
* @private
* @param {*} value The value to query.
* @param {boolean} inherited Specify returning inherited property names.
* @returns {Array} Returns the array of property names.
*/
function arrayLikeKeys(value, inherited) {
var isArr = isArray(value),
isArg = !isArr && isArguments(value),
isBuff = !isArr && !isArg && isBuffer(value),
isType = !isArr && !isArg && !isBuff && isTypedArray(value),
skipIndexes = isArr || isArg || isBuff || isType,
result = skipIndexes ? baseTimes(value.length, String) : [],
length = result.length;
for (var key in value) {
if ((inherited || hasOwnProperty.call(value, key)) &&
!(skipIndexes && (
// Safari 9 has enumerable `arguments.length` in strict mode.
key == 'length' ||
// Node.js 0.10 has enumerable non-index properties on buffers.
(isBuff && (key == 'offset' || key == 'parent')) ||
// PhantomJS 2 has enumerable non-index properties on typed arrays.
(isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
// Skip index properties.
isIndex(key, length)
))) {
result.push(key);
}
}
return result;
}
/**
* A specialized version of `_.sample` for arrays.
*
* @private
* @param {Array} array The array to sample.
* @returns {*} Returns the random element.
*/
function arraySample(array) {
var length = array.length;
return length ? array[baseRandom(0, length - 1)] : undefined;
}
/**
* A specialized version of `_.sampleSize` for arrays.
*
* @private
* @param {Array} array The array to sample.
* @param {number} n The number of elements to sample.
* @returns {Array} Returns the random elements.
*/
function arraySampleSize(array, n) {
return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
}
/**
* A specialized version of `_.shuffle` for arrays.
*
* @private
* @param {Array} array The array to shuffle.
* @returns {Array} Returns the new shuffled array.
*/
function arrayShuffle(array) {
return shuffleSelf(copyArray(array));
}
/**
* This function is like `assignValue` except that it doesn't assign
* `undefined` values.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignMergeValue(object, key, value) {
if ((value !== undefined && !eq(object[key], value)) ||
(value === undefined && !(key in object))) {
baseAssignValue(object, key, value);
}
}
/**
* Assigns `value` to `key` of `object` if the existing value is not equivalent
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function assignValue(object, key, value) {
var objValue = object[key];
if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
(value === undefined && !(key in object))) {
baseAssignValue(object, key, value);
}
}
/**
* Gets the index at which the `key` is found in `array` of key-value pairs.
*
* @private
* @param {Array} array The array to inspect.
* @param {*} key The key to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
*/
function assocIndexOf(array, key) {
var length = array.length;
while (length--) {
if (eq(array[length][0], key)) {
return length;
}
}
return -1;
}
/**
* Aggregates elements of `collection` on `accumulator` with keys transformed
* by `iteratee` and values set by `setter`.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} setter The function to set `accumulator` values.
* @param {Function} iteratee The iteratee to transform keys.
* @param {Object} accumulator The initial aggregated object.
* @returns {Function} Returns `accumulator`.
*/
function baseAggregator(collection, setter, iteratee, accumulator) {
baseEach(collection, function(value, key, collection) {
setter(accumulator, value, iteratee(value), collection);
});
return accumulator;
}
/**
* The base implementation of `_.assign` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/
function baseAssign(object, source) {
return object && copyObject(source, keys(source), object);
}
/**
* The base implementation of `_.assignIn` without support for multiple sources
* or `customizer` functions.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @returns {Object} Returns `object`.
*/
function baseAssignIn(object, source) {
return object && copyObject(source, keysIn(source), object);
}
/**
* The base implementation of `assignValue` and `assignMergeValue` without
* value checks.
*
* @private
* @param {Object} object The object to modify.
* @param {string} key The key of the property to assign.
* @param {*} value The value to assign.
*/
function baseAssignValue(object, key, value) {
if (key == '__proto__' && defineProperty) {
defineProperty(object, key, {
'configurable': true,
'enumerable': true,
'value': value,
'writable': true
});
} else {
object[key] = value;
}
}
/**
* The base implementation of `_.at` without support for individual paths.
*
* @private
* @param {Object} object The object to iterate over.
* @param {string[]} paths The property paths to pick.
* @returns {Array} Returns the picked elements.
*/
function baseAt(object, paths) {
var index = -1,
length = paths.length,
result = Array(length),
skip = object == null;
while (++index < length) {
result[index] = skip ? undefined : get(object, paths[index]);
}
return result;
}
/**
* The base implementation of `_.clamp` which doesn't coerce arguments.
*
* @private
* @param {number} number The number to clamp.
* @param {number} [lower] The lower bound.
* @param {number} upper The upper bound.
* @returns {number} Returns the clamped number.
*/
function baseClamp(number, lower, upper) {
if (number === number) {
if (upper !== undefined) {
number = number <= upper ? number : upper;
}
if (lower !== undefined) {
number = number >= lower ? number : lower;
}
}
return number;
}
/**
* The base implementation of `_.clone` and `_.cloneDeep` which tracks
* traversed objects.
*
* @private
* @param {*} value The value to clone.
* @param {boolean} bitmask The bitmask flags.
* 1 - Deep clone
* 2 - Flatten inherited properties
* 4 - Clone symbols
* @param {Function} [customizer] The function to customize cloning.
* @param {string} [key] The key of `value`.
* @param {Object} [object] The parent object of `value`.
* @param {Object} [stack] Tracks traversed objects and their clone counterparts.
* @returns {*} Returns the cloned value.
*/
function baseClone(value, bitmask, customizer, key, object, stack) {
var result,
isDeep = bitmask & CLONE_DEEP_FLAG,
isFlat = bitmask & CLONE_FLAT_FLAG,
isFull = bitmask & CLONE_SYMBOLS_FLAG;
if (customizer) {
result = object ? customizer(value, key, object, stack) : customizer(value);
}
if (result !== undefined) {
return result;
}
if (!isObject(value)) {
return value;
}
var isArr = isArray(value);
if (isArr) {
result = initCloneArray(value);
if (!isDeep) {
return copyArray(value, result);
}
} else {
var tag = getTag(value),
isFunc = tag == funcTag || tag == genTag;
if (isBuffer(value)) {
return cloneBuffer(value, isDeep);
}
if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
result = (isFlat || isFunc) ? {} : initCloneObject(value);
if (!isDeep) {
return isFlat
? copySymbolsIn(value, baseAssignIn(result, value))
: copySymbols(value, baseAssign(result, value));
}
} else {
if (!cloneableTags[tag]) {
return object ? value : {};
}
result = initCloneByTag(value, tag, isDeep);
}
}
// Check for circular references and return its corresponding clone.
stack || (stack = new Stack);
var stacked = stack.get(value);
if (stacked) {
return stacked;
}
stack.set(value, result);
if (isSet(value)) {
value.forEach(function(subValue) {
result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
});
} else if (isMap(value)) {
value.forEach(function(subValue, key) {
result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
});
}
var keysFunc = isFull
? (isFlat ? getAllKeysIn : getAllKeys)
: (isFlat ? keysIn : keys);
var props = isArr ? undefined : keysFunc(value);
arrayEach(props || value, function(subValue, key) {
if (props) {
key = subValue;
subValue = value[key];
}
// Recursively populate clone (susceptible to call stack limits).
assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
});
return result;
}
/**
* The base implementation of `_.conforms` which doesn't clone `source`.
*
* @private
* @param {Object} source The object of property predicates to conform to.
* @returns {Function} Returns the new spec function.
*/
function baseConforms(source) {
var props = keys(source);
return function(object) {
return baseConformsTo(object, source, props);
};
}
/**
* The base implementation of `_.conformsTo` which accepts `props` to check.
*
* @private
* @param {Object} object The object to inspect.
* @param {Object} source The object of property predicates to conform to.
* @returns {boolean} Returns `true` if `object` conforms, else `false`.
*/
function baseConformsTo(object, source, props) {
var length = props.length;
if (object == null) {
return !length;
}
object = Object(object);
while (length--) {
var key = props[length],
predicate = source[key],
value = object[key];
if ((value === undefined && !(key in object)) || !predicate(value)) {
return false;
}
}
return true;
}
/**
* The base implementation of `_.delay` and `_.defer` which accepts `args`
* to provide to `func`.
*
* @private
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @param {Array} args The arguments to provide to `func`.
* @returns {number|Object} Returns the timer id or timeout object.
*/
function baseDelay(func, wait, args) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return setTimeout(function() { func.apply(undefined, args); }, wait);
}
/**
* The base implementation of methods like `_.difference` without support
* for excluding multiple arrays or iteratee shorthands.
*
* @private
* @param {Array} array The array to inspect.
* @param {Array} values The values to exclude.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of filtered values.
*/
function baseDifference(array, values, iteratee, comparator) {
var index = -1,
includes = arrayIncludes,
isCommon = true,
length = array.length,
result = [],
valuesLength = values.length;
if (!length) {
return result;
}
if (iteratee) {
values = arrayMap(values, baseUnary(iteratee));
}
if (comparator) {
includes = arrayIncludesWith;
isCommon = false;
}
else if (values.length >= LARGE_ARRAY_SIZE) {
includes = cacheHas;
isCommon = false;
values = new SetCache(values);
}
outer:
while (++index < length) {
var value = array[index],
computed = iteratee == null ? value : iteratee(value);
value = (comparator || value !== 0) ? value : 0;
if (isCommon && computed === computed) {
var valuesIndex = valuesLength;
while (valuesIndex--) {
if (values[valuesIndex] === computed) {
continue outer;
}
}
result.push(value);
}
else if (!includes(values, computed, comparator)) {
result.push(value);
}
}
return result;
}
/**
* The base implementation of `_.forEach` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array|Object} Returns `collection`.
*/
var baseEach = createBaseEach(baseForOwn);
/**
* The base implementation of `_.forEachRight` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array|Object} Returns `collection`.
*/
var baseEachRight = createBaseEach(baseForOwnRight, true);
/**
* The base implementation of `_.every` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`
*/
function baseEvery(collection, predicate) {
var result = true;
baseEach(collection, function(value, index, collection) {
result = !!predicate(value, index, collection);
return result;
});
return result;
}
/**
* The base implementation of methods like `_.max` and `_.min` which accepts a
* `comparator` to determine the extremum value.
*
* @private
* @param {Array} array The array to iterate over.
* @param {Function} iteratee The iteratee invoked per iteration.
* @param {Function} comparator The comparator used to compare values.
* @returns {*} Returns the extremum value.
*/
function baseExtremum(array, iteratee, comparator) {
var index = -1,
length = array.length;
while (++index < length) {
var value = array[index],
current = iteratee(value);
if (current != null && (computed === undefined
? (current === current && !isSymbol(current))
: comparator(current, computed)
)) {
var computed = current,
result = value;
}
}
return result;
}
/**
* The base implementation of `_.fill` without an iteratee call guard.
*
* @private
* @param {Array} array The array to fill.
* @param {*} value The value to fill `array` with.
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns `array`.
*/
function baseFill(array, value, start, end) {
var length = array.length;
start = toInteger(start);
if (start < 0) {
start = -start > length ? 0 : (length + start);
}
end = (end === undefined || end > length) ? length : toInteger(end);
if (end < 0) {
end += length;
}
end = start > end ? 0 : toLength(end);
while (start < end) {
array[start++] = value;
}
return array;
}
/**
* The base implementation of `_.filter` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
*/
function baseFilter(collection, predicate) {
var result = [];
baseEach(collection, function(value, index, collection) {
if (predicate(value, index, collection)) {
result.push(value);
}
});
return result;
}
/**
* The base implementation of `_.flatten` with support for restricting flattening.
*
* @private
* @param {Array} array The array to flatten.
* @param {number} depth The maximum recursion depth.
* @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
* @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
* @param {Array} [result=[]] The initial result value.
* @returns {Array} Returns the new flattened array.
*/
function baseFlatten(array, depth, predicate, isStrict, result) {
var index = -1,
length = array.length;
predicate || (predicate = isFlattenable);
result || (result = []);
while (++index < length) {
var value = array[index];
if (depth > 0 && predicate(value)) {
if (depth > 1) {
// Recursively flatten arrays (susceptible to call stack limits).
baseFlatten(value, depth - 1, predicate, isStrict, result);
} else {
arrayPush(result, value);
}
} else if (!isStrict) {
result[result.length] = value;
}
}
return result;
}
/**
* The base implementation of `baseForOwn` which iterates over `object`
* properties returned by `keysFunc` and invokes `iteratee` for each property.
* Iteratee functions may exit iteration early by explicitly returning `false`.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {Function} keysFunc The function to get the keys of `object`.
* @returns {Object} Returns `object`.
*/
var baseFor = createBaseFor();
/**
* This function is like `baseFor` except that it iterates over properties
* in the opposite order.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @param {Function} keysFunc The function to get the keys of `object`.
* @returns {Object} Returns `object`.
*/
var baseForRight = createBaseFor(true);
/**
* The base implementation of `_.forOwn` without support for iteratee shorthands.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Object} Returns `object`.
*/
function baseForOwn(object, iteratee) {
return object && baseFor(object, iteratee, keys);
}
/**
* The base implementation of `_.forOwnRight` without support for iteratee shorthands.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Object} Returns `object`.
*/
function baseForOwnRight(object, iteratee) {
return object && baseForRight(object, iteratee, keys);
}
/**
* The base implementation of `_.functions` which creates an array of
* `object` function property names filtered from `props`.
*
* @private
* @param {Object} object The object to inspect.
* @param {Array} props The property names to filter.
* @returns {Array} Returns the function names.
*/
function baseFunctions(object, props) {
return arrayFilter(props, function(key) {
return isFunction(object[key]);
});
}
/**
* The base implementation of `_.get` without support for default values.
*
* @private
* @param {Object} object The object to query.
* @param {Array|string} path The path of the property to get.
* @returns {*} Returns the resolved value.
*/
function baseGet(object, path) {
path = castPath(path, object);
var index = 0,
length = path.length;
while (object != null && index < length) {
object = object[toKey(path[index++])];
}
return (index && index == length) ? object : undefined;
}
/**
* The base implementation of `getAllKeys` and `getAllKeysIn` which uses
* `keysFunc` and `symbolsFunc` to get the enumerable property names and
* symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {Function} keysFunc The function to get the keys of `object`.
* @param {Function} symbolsFunc The function to get the symbols of `object`.
* @returns {Array} Returns the array of property names and symbols.
*/
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
var result = keysFunc(object);
return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
}
/**
* The base implementation of `getTag` without fallbacks for buggy environments.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
function baseGetTag(value) {
if (value == null) {
return value === undefined ? undefinedTag : nullTag;
}
return (symToStringTag && symToStringTag in Object(value))
? getRawTag(value)
: objectToString(value);
}
/**
* The base implementation of `_.gt` which doesn't coerce arguments.
*
* @private
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if `value` is greater than `other`,
* else `false`.
*/
function baseGt(value, other) {
return value > other;
}
/**
* The base implementation of `_.has` without support for deep paths.
*
* @private
* @param {Object} [object] The object to query.
* @param {Array|string} key The key to check.
* @returns {boolean} Returns `true` if `key` exists, else `false`.
*/
function baseHas(object, key) {
return object != null && hasOwnProperty.call(object, key);
}
/**
* The base implementation of `_.hasIn` without support for deep paths.
*
* @private
* @param {Object} [object] The object to query.
* @param {Array|string} key The key to check.
* @returns {boolean} Returns `true` if `key` exists, else `false`.
*/
function baseHasIn(object, key) {
return object != null && key in Object(object);
}
/**
* The base implementation of `_.inRange` which doesn't coerce arguments.
*
* @private
* @param {number} number The number to check.
* @param {number} start The start of the range.
* @param {number} end The end of the range.
* @returns {boolean} Returns `true` if `number` is in the range, else `false`.
*/
function baseInRange(number, start, end) {
return number >= nativeMin(start, end) && number < nativeMax(start, end);
}
/**
* The base implementation of methods like `_.intersection`, without support
* for iteratee shorthands, that accepts an array of arrays to inspect.
*
* @private
* @param {Array} arrays The arrays to inspect.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of shared values.
*/
function baseIntersection(arrays, iteratee, comparator) {
var includes = comparator ? arrayIncludesWith : arrayIncludes,
length = arrays[0].length,
othLength = arrays.length,
othIndex = othLength,
caches = Array(othLength),
maxLength = Infinity,
result = [];
while (othIndex--) {
var array = arrays[othIndex];
if (othIndex && iteratee) {
array = arrayMap(array, baseUnary(iteratee));
}
maxLength = nativeMin(array.length, maxLength);
caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
? new SetCache(othIndex && array)
: undefined;
}
array = arrays[0];
var index = -1,
seen = caches[0];
outer:
while (++index < length && result.length < maxLength) {
var value = array[index],
computed = iteratee ? iteratee(value) : value;
value = (comparator || value !== 0) ? value : 0;
if (!(seen
? cacheHas(seen, computed)
: includes(result, computed, comparator)
)) {
othIndex = othLength;
while (--othIndex) {
var cache = caches[othIndex];
if (!(cache
? cacheHas(cache, computed)
: includes(arrays[othIndex], computed, comparator))
) {
continue outer;
}
}
if (seen) {
seen.push(computed);
}
result.push(value);
}
}
return result;
}
/**
* The base implementation of `_.invert` and `_.invertBy` which inverts
* `object` with values transformed by `iteratee` and set by `setter`.
*
* @private
* @param {Object} object The object to iterate over.
* @param {Function} setter The function to set `accumulator` values.
* @param {Function} iteratee The iteratee to transform values.
* @param {Object} accumulator The initial inverted object.
* @returns {Function} Returns `accumulator`.
*/
function baseInverter(object, setter, iteratee, accumulator) {
baseForOwn(object, function(value, key, object) {
setter(accumulator, iteratee(value), key, object);
});
return accumulator;
}
/**
* The base implementation of `_.invoke` without support for individual
* method arguments.
*
* @private
* @param {Object} object The object to query.
* @param {Array|string} path The path of the method to invoke.
* @param {Array} args The arguments to invoke the method with.
* @returns {*} Returns the result of the invoked method.
*/
function baseInvoke(object, path, args) {
path = castPath(path, object);
object = parent(object, path);
var func = object == null ? object : object[toKey(last(path))];
return func == null ? undefined : apply(func, object, args);
}
/**
* The base implementation of `_.isArguments`.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an `arguments` object,
*/
function baseIsArguments(value) {
return isObjectLike(value) && baseGetTag(value) == argsTag;
}
/**
* The base implementation of `_.isArrayBuffer` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
*/
function baseIsArrayBuffer(value) {
return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
}
/**
* The base implementation of `_.isDate` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a date object, else `false`.
*/
function baseIsDate(value) {
return isObjectLike(value) && baseGetTag(value) == dateTag;
}
/**
* The base implementation of `_.isEqual` which supports partial comparisons
* and tracks traversed objects.
*
* @private
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @param {boolean} bitmask The bitmask flags.
* 1 - Unordered comparison
* 2 - Partial comparison
* @param {Function} [customizer] The function to customize comparisons.
* @param {Object} [stack] Tracks traversed `value` and `other` objects.
* @returns {boolean} Returns `true` if the values are equivalent, else `false`.
*/
function baseIsEqual(value, other, bitmask, customizer, stack) {
if (value === other) {
return true;
}
if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
return value !== value && other !== other;
}
return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
}
/**
* A specialized version of `baseIsEqual` for arrays and objects which performs
* deep comparisons and tracks traversed objects enabling objects with circular
* references to be compared.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
* @param {Function} customizer The function to customize comparisons.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Object} [stack] Tracks traversed `object` and `other` objects.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
var objIsArr = isArray(object),
othIsArr = isArray(other),
objTag = objIsArr ? arrayTag : getTag(object),
othTag = othIsArr ? arrayTag : getTag(other);
objTag = objTag == argsTag ? objectTag : objTag;
othTag = othTag == argsTag ? objectTag : othTag;
var objIsObj = objTag == objectTag,
othIsObj = othTag == objectTag,
isSameTag = objTag == othTag;
if (isSameTag && isBuffer(object)) {
if (!isBuffer(other)) {
return false;
}
objIsArr = true;
objIsObj = false;
}
if (isSameTag && !objIsObj) {
stack || (stack = new Stack);
return (objIsArr || isTypedArray(object))
? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
: equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
}
if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
if (objIsWrapped || othIsWrapped) {
var objUnwrapped = objIsWrapped ? object.value() : object,
othUnwrapped = othIsWrapped ? other.value() : other;
stack || (stack = new Stack);
return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
}
}
if (!isSameTag) {
return false;
}
stack || (stack = new Stack);
return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
}
/**
* The base implementation of `_.isMap` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a map, else `false`.
*/
function baseIsMap(value) {
return isObjectLike(value) && getTag(value) == mapTag;
}
/**
* The base implementation of `_.isMatch` without support for iteratee shorthands.
*
* @private
* @param {Object} object The object to inspect.
* @param {Object} source The object of property values to match.
* @param {Array} matchData The property names, values, and compare flags to match.
* @param {Function} [customizer] The function to customize comparisons.
* @returns {boolean} Returns `true` if `object` is a match, else `false`.
*/
function baseIsMatch(object, source, matchData, customizer) {
var index = matchData.length,
length = index,
noCustomizer = !customizer;
if (object == null) {
return !length;
}
object = Object(object);
while (index--) {
var data = matchData[index];
if ((noCustomizer && data[2])
? data[1] !== object[data[0]]
: !(data[0] in object)
) {
return false;
}
}
while (++index < length) {
data = matchData[index];
var key = data[0],
objValue = object[key],
srcValue = data[1];
if (noCustomizer && data[2]) {
if (objValue === undefined && !(key in object)) {
return false;
}
} else {
var stack = new Stack;
if (customizer) {
var result = customizer(objValue, srcValue, key, object, source, stack);
}
if (!(result === undefined
? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
: result
)) {
return false;
}
}
}
return true;
}
/**
* The base implementation of `_.isNative` without bad shim checks.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
*/
function baseIsNative(value) {
if (!isObject(value) || isMasked(value)) {
return false;
}
var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
return pattern.test(toSource(value));
}
/**
* The base implementation of `_.isRegExp` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
*/
function baseIsRegExp(value) {
return isObjectLike(value) && baseGetTag(value) == regexpTag;
}
/**
* The base implementation of `_.isSet` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a set, else `false`.
*/
function baseIsSet(value) {
return isObjectLike(value) && getTag(value) == setTag;
}
/**
* The base implementation of `_.isTypedArray` without Node.js optimizations.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
*/
function baseIsTypedArray(value) {
return isObjectLike(value) &&
isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
}
/**
* The base implementation of `_.iteratee`.
*
* @private
* @param {*} [value=_.identity] The value to convert to an iteratee.
* @returns {Function} Returns the iteratee.
*/
function baseIteratee(value) {
// Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
// See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
if (typeof value == 'function') {
return value;
}
if (value == null) {
return identity;
}
if (typeof value == 'object') {
return isArray(value)
? baseMatchesProperty(value[0], value[1])
: baseMatches(value);
}
return property(value);
}
/**
* The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeys(object) {
if (!isPrototype(object)) {
return nativeKeys(object);
}
var result = [];
for (var key in Object(object)) {
if (hasOwnProperty.call(object, key) && key != 'constructor') {
result.push(key);
}
}
return result;
}
/**
* The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function baseKeysIn(object) {
if (!isObject(object)) {
return nativeKeysIn(object);
}
var isProto = isPrototype(object),
result = [];
for (var key in object) {
if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
result.push(key);
}
}
return result;
}
/**
* The base implementation of `_.lt` which doesn't coerce arguments.
*
* @private
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {boolean} Returns `true` if `value` is less than `other`,
* else `false`.
*/
function baseLt(value, other) {
return value < other;
}
/**
* The base implementation of `_.map` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} iteratee The function invoked per iteration.
* @returns {Array} Returns the new mapped array.
*/
function baseMap(collection, iteratee) {
var index = -1,
result = isArrayLike(collection) ? Array(collection.length) : [];
baseEach(collection, function(value, key, collection) {
result[++index] = iteratee(value, key, collection);
});
return result;
}
/**
* The base implementation of `_.matches` which doesn't clone `source`.
*
* @private
* @param {Object} source The object of property values to match.
* @returns {Function} Returns the new spec function.
*/
function baseMatches(source) {
var matchData = getMatchData(source);
if (matchData.length == 1 && matchData[0][2]) {
return matchesStrictComparable(matchData[0][0], matchData[0][1]);
}
return function(object) {
return object === source || baseIsMatch(object, source, matchData);
};
}
/**
* The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
*
* @private
* @param {string} path The path of the property to get.
* @param {*} srcValue The value to match.
* @returns {Function} Returns the new spec function.
*/
function baseMatchesProperty(path, srcValue) {
if (isKey(path) && isStrictComparable(srcValue)) {
return matchesStrictComparable(toKey(path), srcValue);
}
return function(object) {
var objValue = get(object, path);
return (objValue === undefined && objValue === srcValue)
? hasIn(object, path)
: baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
};
}
/**
* The base implementation of `_.merge` without support for multiple sources.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @param {number} srcIndex The index of `source`.
* @param {Function} [customizer] The function to customize merged values.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
*/
function baseMerge(object, source, srcIndex, customizer, stack) {
if (object === source) {
return;
}
baseFor(source, function(srcValue, key) {
stack || (stack = new Stack);
if (isObject(srcValue)) {
baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
}
else {
var newValue = customizer
? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
: undefined;
if (newValue === undefined) {
newValue = srcValue;
}
assignMergeValue(object, key, newValue);
}
}, keysIn);
}
/**
* A specialized version of `baseMerge` for arrays and objects which performs
* deep merges and tracks traversed objects enabling objects with circular
* references to be merged.
*
* @private
* @param {Object} object The destination object.
* @param {Object} source The source object.
* @param {string} key The key of the value to merge.
* @param {number} srcIndex The index of `source`.
* @param {Function} mergeFunc The function to merge values.
* @param {Function} [customizer] The function to customize assigned values.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
*/
function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
var objValue = safeGet(object, key),
srcValue = safeGet(source, key),
stacked = stack.get(srcValue);
if (stacked) {
assignMergeValue(object, key, stacked);
return;
}
var newValue = customizer
? customizer(objValue, srcValue, (key + ''), object, source, stack)
: undefined;
var isCommon = newValue === undefined;
if (isCommon) {
var isArr = isArray(srcValue),
isBuff = !isArr && isBuffer(srcValue),
isTyped = !isArr && !isBuff && isTypedArray(srcValue);
newValue = srcValue;
if (isArr || isBuff || isTyped) {
if (isArray(objValue)) {
newValue = objValue;
}
else if (isArrayLikeObject(objValue)) {
newValue = copyArray(objValue);
}
else if (isBuff) {
isCommon = false;
newValue = cloneBuffer(srcValue, true);
}
else if (isTyped) {
isCommon = false;
newValue = cloneTypedArray(srcValue, true);
}
else {
newValue = [];
}
}
else if (isPlainObject(srcValue) || isArguments(srcValue)) {
newValue = objValue;
if (isArguments(objValue)) {
newValue = toPlainObject(objValue);
}
else if (!isObject(objValue) || isFunction(objValue)) {
newValue = initCloneObject(srcValue);
}
}
else {
isCommon = false;
}
}
if (isCommon) {
// Recursively merge objects and arrays (susceptible to call stack limits).
stack.set(srcValue, newValue);
mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
stack['delete'](srcValue);
}
assignMergeValue(object, key, newValue);
}
/**
* The base implementation of `_.nth` which doesn't coerce arguments.
*
* @private
* @param {Array} array The array to query.
* @param {number} n The index of the element to return.
* @returns {*} Returns the nth element of `array`.
*/
function baseNth(array, n) {
var length = array.length;
if (!length) {
return;
}
n += n < 0 ? length : 0;
return isIndex(n, length) ? array[n] : undefined;
}
/**
* The base implementation of `_.orderBy` without param guards.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
* @param {string[]} orders The sort orders of `iteratees`.
* @returns {Array} Returns the new sorted array.
*/
function baseOrderBy(collection, iteratees, orders) {
if (iteratees.length) {
iteratees = arrayMap(iteratees, function(iteratee) {
if (isArray(iteratee)) {
return function(value) {
return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
}
}
return iteratee;
});
} else {
iteratees = [identity];
}
var index = -1;
iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
var result = baseMap(collection, function(value, key, collection) {
var criteria = arrayMap(iteratees, function(iteratee) {
return iteratee(value);
});
return { 'criteria': criteria, 'index': ++index, 'value': value };
});
return baseSortBy(result, function(object, other) {
return compareMultiple(object, other, orders);
});
}
/**
* The base implementation of `_.pick` without support for individual
* property identifiers.
*
* @private
* @param {Object} object The source object.
* @param {string[]} paths The property paths to pick.
* @returns {Object} Returns the new object.
*/
function basePick(object, paths) {
return basePickBy(object, paths, function(value, path) {
return hasIn(object, path);
});
}
/**
* The base implementation of `_.pickBy` without support for iteratee shorthands.
*
* @private
* @param {Object} object The source object.
* @param {string[]} paths The property paths to pick.
* @param {Function} predicate The function invoked per property.
* @returns {Object} Returns the new object.
*/
function basePickBy(object, paths, predicate) {
var index = -1,
length = paths.length,
result = {};
while (++index < length) {
var path = paths[index],
value = baseGet(object, path);
if (predicate(value, path)) {
baseSet(result, castPath(path, object), value);
}
}
return result;
}
/**
* A specialized version of `baseProperty` which supports deep paths.
*
* @private
* @param {Array|string} path The path of the property to get.
* @returns {Function} Returns the new accessor function.
*/
function basePropertyDeep(path) {
return function(object) {
return baseGet(object, path);
};
}
/**
* The base implementation of `_.pullAllBy` without support for iteratee
* shorthands.
*
* @private
* @param {Array} array The array to modify.
* @param {Array} values The values to remove.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns `array`.
*/
function basePullAll(array, values, iteratee, comparator) {
var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
index = -1,
length = values.length,
seen = array;
if (array === values) {
values = copyArray(values);
}
if (iteratee) {
seen = arrayMap(array, baseUnary(iteratee));
}
while (++index < length) {
var fromIndex = 0,
value = values[index],
computed = iteratee ? iteratee(value) : value;
while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
if (seen !== array) {
splice.call(seen, fromIndex, 1);
}
splice.call(array, fromIndex, 1);
}
}
return array;
}
/**
* The base implementation of `_.pullAt` without support for individual
* indexes or capturing the removed elements.
*
* @private
* @param {Array} array The array to modify.
* @param {number[]} indexes The indexes of elements to remove.
* @returns {Array} Returns `array`.
*/
function basePullAt(array, indexes) {
var length = array ? indexes.length : 0,
lastIndex = length - 1;
while (length--) {
var index = indexes[length];
if (length == lastIndex || index !== previous) {
var previous = index;
if (isIndex(index)) {
splice.call(array, index, 1);
} else {
baseUnset(array, index);
}
}
}
return array;
}
/**
* The base implementation of `_.random` without support for returning
* floating-point numbers.
*
* @private
* @param {number} lower The lower bound.
* @param {number} upper The upper bound.
* @returns {number} Returns the random number.
*/
function baseRandom(lower, upper) {
return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
}
/**
* The base implementation of `_.range` and `_.rangeRight` which doesn't
* coerce arguments.
*
* @private
* @param {number} start The start of the range.
* @param {number} end The end of the range.
* @param {number} step The value to increment or decrement by.
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Array} Returns the range of numbers.
*/
function baseRange(start, end, step, fromRight) {
var index = -1,
length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
result = Array(length);
while (length--) {
result[fromRight ? length : ++index] = start;
start += step;
}
return result;
}
/**
* The base implementation of `_.repeat` which doesn't coerce arguments.
*
* @private
* @param {string} string The string to repeat.
* @param {number} n The number of times to repeat the string.
* @returns {string} Returns the repeated string.
*/
function baseRepeat(string, n) {
var result = '';
if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
return result;
}
// Leverage the exponentiation by squaring algorithm for a faster repeat.
// See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
do {
if (n % 2) {
result += string;
}
n = nativeFloor(n / 2);
if (n) {
string += string;
}
} while (n);
return result;
}
/**
* The base implementation of `_.rest` which doesn't validate or coerce arguments.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @returns {Function} Returns the new function.
*/
function baseRest(func, start) {
return setToString(overRest(func, start, identity), func + '');
}
/**
* The base implementation of `_.sample`.
*
* @private
* @param {Array|Object} collection The collection to sample.
* @returns {*} Returns the random element.
*/
function baseSample(collection) {
return arraySample(values(collection));
}
/**
* The base implementation of `_.sampleSize` without param guards.
*
* @private
* @param {Array|Object} collection The collection to sample.
* @param {number} n The number of elements to sample.
* @returns {Array} Returns the random elements.
*/
function baseSampleSize(collection, n) {
var array = values(collection);
return shuffleSelf(array, baseClamp(n, 0, array.length));
}
/**
* The base implementation of `_.set`.
*
* @private
* @param {Object} object The object to modify.
* @param {Array|string} path The path of the property to set.
* @param {*} value The value to set.
* @param {Function} [customizer] The function to customize path creation.
* @returns {Object} Returns `object`.
*/
function baseSet(object, path, value, customizer) {
if (!isObject(object)) {
return object;
}
path = castPath(path, object);
var index = -1,
length = path.length,
lastIndex = length - 1,
nested = object;
while (nested != null && ++index < length) {
var key = toKey(path[index]),
newValue = value;
if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
return object;
}
if (index != lastIndex) {
var objValue = nested[key];
newValue = customizer ? customizer(objValue, key, nested) : undefined;
if (newValue === undefined) {
newValue = isObject(objValue)
? objValue
: (isIndex(path[index + 1]) ? [] : {});
}
}
assignValue(nested, key, newValue);
nested = nested[key];
}
return object;
}
/**
* The base implementation of `setData` without support for hot loop shorting.
*
* @private
* @param {Function} func The function to associate metadata with.
* @param {*} data The metadata.
* @returns {Function} Returns `func`.
*/
var baseSetData = !metaMap ? identity : function(func, data) {
metaMap.set(func, data);
return func;
};
/**
* The base implementation of `setToString` without support for hot loop shorting.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var baseSetToString = !defineProperty ? identity : function(func, string) {
return defineProperty(func, 'toString', {
'configurable': true,
'enumerable': false,
'value': constant(string),
'writable': true
});
};
/**
* The base implementation of `_.shuffle`.
*
* @private
* @param {Array|Object} collection The collection to shuffle.
* @returns {Array} Returns the new shuffled array.
*/
function baseShuffle(collection) {
return shuffleSelf(values(collection));
}
/**
* The base implementation of `_.slice` without an iteratee call guard.
*
* @private
* @param {Array} array The array to slice.
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns the slice of `array`.
*/
function baseSlice(array, start, end) {
var index = -1,
length = array.length;
if (start < 0) {
start = -start > length ? 0 : (length + start);
}
end = end > length ? length : end;
if (end < 0) {
end += length;
}
length = start > end ? 0 : ((end - start) >>> 0);
start >>>= 0;
var result = Array(length);
while (++index < length) {
result[index] = array[index + start];
}
return result;
}
/**
* The base implementation of `_.some` without support for iteratee shorthands.
*
* @private
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} predicate The function invoked per iteration.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
*/
function baseSome(collection, predicate) {
var result;
baseEach(collection, function(value, index, collection) {
result = predicate(value, index, collection);
return !result;
});
return !!result;
}
/**
* The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
* performs a binary search of `array` to determine the index at which `value`
* should be inserted into `array` in order to maintain its sort order.
*
* @private
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @param {boolean} [retHighest] Specify returning the highest qualified index.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
*/
function baseSortedIndex(array, value, retHighest) {
var low = 0,
high = array == null ? low : array.length;
if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
while (low < high) {
var mid = (low + high) >>> 1,
computed = array[mid];
if (computed !== null && !isSymbol(computed) &&
(retHighest ? (computed <= value) : (computed < value))) {
low = mid + 1;
} else {
high = mid;
}
}
return high;
}
return baseSortedIndexBy(array, value, identity, retHighest);
}
/**
* The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
* which invokes `iteratee` for `value` and each element of `array` to compute
* their sort ranking. The iteratee is invoked with one argument; (value).
*
* @private
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @param {Function} iteratee The iteratee invoked per element.
* @param {boolean} [retHighest] Specify returning the highest qualified index.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
*/
function baseSortedIndexBy(array, value, iteratee, retHighest) {
var low = 0,
high = array == null ? 0 : array.length;
if (high === 0) {
return 0;
}
value = iteratee(value);
var valIsNaN = value !== value,
valIsNull = value === null,
valIsSymbol = isSymbol(value),
valIsUndefined = value === undefined;
while (low < high) {
var mid = nativeFloor((low + high) / 2),
computed = iteratee(array[mid]),
othIsDefined = computed !== undefined,
othIsNull = computed === null,
othIsReflexive = computed === computed,
othIsSymbol = isSymbol(computed);
if (valIsNaN) {
var setLow = retHighest || othIsReflexive;
} else if (valIsUndefined) {
setLow = othIsReflexive && (retHighest || othIsDefined);
} else if (valIsNull) {
setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
} else if (valIsSymbol) {
setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
} else if (othIsNull || othIsSymbol) {
setLow = false;
} else {
setLow = retHighest ? (computed <= value) : (computed < value);
}
if (setLow) {
low = mid + 1;
} else {
high = mid;
}
}
return nativeMin(high, MAX_ARRAY_INDEX);
}
/**
* The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
* support for iteratee shorthands.
*
* @private
* @param {Array} array The array to inspect.
* @param {Function} [iteratee] The iteratee invoked per element.
* @returns {Array} Returns the new duplicate free array.
*/
function baseSortedUniq(array, iteratee) {
var index = -1,
length = array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index],
computed = iteratee ? iteratee(value) : value;
if (!index || !eq(computed, seen)) {
var seen = computed;
result[resIndex++] = value === 0 ? 0 : value;
}
}
return result;
}
/**
* The base implementation of `_.toNumber` which doesn't ensure correct
* conversions of binary, hexadecimal, or octal string values.
*
* @private
* @param {*} value The value to process.
* @returns {number} Returns the number.
*/
function baseToNumber(value) {
if (typeof value == 'number') {
return value;
}
if (isSymbol(value)) {
return NAN;
}
return +value;
}
/**
* The base implementation of `_.toString` which doesn't convert nullish
* values to empty strings.
*
* @private
* @param {*} value The value to process.
* @returns {string} Returns the string.
*/
function baseToString(value) {
// Exit early for strings to avoid a performance hit in some environments.
if (typeof value == 'string') {
return value;
}
if (isArray(value)) {
// Recursively convert values (susceptible to call stack limits).
return arrayMap(value, baseToString) + '';
}
if (isSymbol(value)) {
return symbolToString ? symbolToString.call(value) : '';
}
var result = (value + '');
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}
/**
* The base implementation of `_.uniqBy` without support for iteratee shorthands.
*
* @private
* @param {Array} array The array to inspect.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new duplicate free array.
*/
function baseUniq(array, iteratee, comparator) {
var index = -1,
includes = arrayIncludes,
length = array.length,
isCommon = true,
result = [],
seen = result;
if (comparator) {
isCommon = false;
includes = arrayIncludesWith;
}
else if (length >= LARGE_ARRAY_SIZE) {
var set = iteratee ? null : createSet(array);
if (set) {
return setToArray(set);
}
isCommon = false;
includes = cacheHas;
seen = new SetCache;
}
else {
seen = iteratee ? [] : result;
}
outer:
while (++index < length) {
var value = array[index],
computed = iteratee ? iteratee(value) : value;
value = (comparator || value !== 0) ? value : 0;
if (isCommon && computed === computed) {
var seenIndex = seen.length;
while (seenIndex--) {
if (seen[seenIndex] === computed) {
continue outer;
}
}
if (iteratee) {
seen.push(computed);
}
result.push(value);
}
else if (!includes(seen, computed, comparator)) {
if (seen !== result) {
seen.push(computed);
}
result.push(value);
}
}
return result;
}
/**
* The base implementation of `_.unset`.
*
* @private
* @param {Object} object The object to modify.
* @param {Array|string} path The property path to unset.
* @returns {boolean} Returns `true` if the property is deleted, else `false`.
*/
function baseUnset(object, path) {
path = castPath(path, object);
object = parent(object, path);
return object == null || delete object[toKey(last(path))];
}
/**
* The base implementation of `_.update`.
*
* @private
* @param {Object} object The object to modify.
* @param {Array|string} path The path of the property to update.
* @param {Function} updater The function to produce the updated value.
* @param {Function} [customizer] The function to customize path creation.
* @returns {Object} Returns `object`.
*/
function baseUpdate(object, path, updater, customizer) {
return baseSet(object, path, updater(baseGet(object, path)), customizer);
}
/**
* The base implementation of methods like `_.dropWhile` and `_.takeWhile`
* without support for iteratee shorthands.
*
* @private
* @param {Array} array The array to query.
* @param {Function} predicate The function invoked per iteration.
* @param {boolean} [isDrop] Specify dropping elements instead of taking them.
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Array} Returns the slice of `array`.
*/
function baseWhile(array, predicate, isDrop, fromRight) {
var length = array.length,
index = fromRight ? length : -1;
while ((fromRight ? index-- : ++index < length) &&
predicate(array[index], index, array)) {}
return isDrop
? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
: baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
}
/**
* The base implementation of `wrapperValue` which returns the result of
* performing a sequence of actions on the unwrapped `value`, where each
* successive action is supplied the return value of the previous.
*
* @private
* @param {*} value The unwrapped value.
* @param {Array} actions Actions to perform to resolve the unwrapped value.
* @returns {*} Returns the resolved value.
*/
function baseWrapperValue(value, actions) {
var result = value;
if (result instanceof LazyWrapper) {
result = result.value();
}
return arrayReduce(actions, function(result, action) {
return action.func.apply(action.thisArg, arrayPush([result], action.args));
}, result);
}
/**
* The base implementation of methods like `_.xor`, without support for
* iteratee shorthands, that accepts an array of arrays to inspect.
*
* @private
* @param {Array} arrays The arrays to inspect.
* @param {Function} [iteratee] The iteratee invoked per element.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of values.
*/
function baseXor(arrays, iteratee, comparator) {
var length = arrays.length;
if (length < 2) {
return length ? baseUniq(arrays[0]) : [];
}
var index = -1,
result = Array(length);
while (++index < length) {
var array = arrays[index],
othIndex = -1;
while (++othIndex < length) {
if (othIndex != index) {
result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
}
}
}
return baseUniq(baseFlatten(result, 1), iteratee, comparator);
}
/**
* This base implementation of `_.zipObject` which assigns values using `assignFunc`.
*
* @private
* @param {Array} props The property identifiers.
* @param {Array} values The property values.
* @param {Function} assignFunc The function to assign values.
* @returns {Object} Returns the new object.
*/
function baseZipObject(props, values, assignFunc) {
var index = -1,
length = props.length,
valsLength = values.length,
result = {};
while (++index < length) {
var value = index < valsLength ? values[index] : undefined;
assignFunc(result, props[index], value);
}
return result;
}
/**
* Casts `value` to an empty array if it's not an array like object.
*
* @private
* @param {*} value The value to inspect.
* @returns {Array|Object} Returns the cast array-like object.
*/
function castArrayLikeObject(value) {
return isArrayLikeObject(value) ? value : [];
}
/**
* Casts `value` to `identity` if it's not a function.
*
* @private
* @param {*} value The value to inspect.
* @returns {Function} Returns cast function.
*/
function castFunction(value) {
return typeof value == 'function' ? value : identity;
}
/**
* Casts `value` to a path array if it's not one.
*
* @private
* @param {*} value The value to inspect.
* @param {Object} [object] The object to query keys on.
* @returns {Array} Returns the cast property path array.
*/
function castPath(value, object) {
if (isArray(value)) {
return value;
}
return isKey(value, object) ? [value] : stringToPath(toString(value));
}
/**
* A `baseRest` alias which can be replaced with `identity` by module
* replacement plugins.
*
* @private
* @type {Function}
* @param {Function} func The function to apply a rest parameter to.
* @returns {Function} Returns the new function.
*/
var castRest = baseRest;
/**
* Casts `array` to a slice if it's needed.
*
* @private
* @param {Array} array The array to inspect.
* @param {number} start The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns the cast slice.
*/
function castSlice(array, start, end) {
var length = array.length;
end = end === undefined ? length : end;
return (!start && end >= length) ? array : baseSlice(array, start, end);
}
/**
* A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
*
* @private
* @param {number|Object} id The timer id or timeout object of the timer to clear.
*/
var clearTimeout = ctxClearTimeout || function(id) {
return root.clearTimeout(id);
};
/**
* Creates a clone of `buffer`.
*
* @private
* @param {Buffer} buffer The buffer to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Buffer} Returns the cloned buffer.
*/
function cloneBuffer(buffer, isDeep) {
if (isDeep) {
return buffer.slice();
}
var length = buffer.length,
result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
buffer.copy(result);
return result;
}
/**
* Creates a clone of `arrayBuffer`.
*
* @private
* @param {ArrayBuffer} arrayBuffer The array buffer to clone.
* @returns {ArrayBuffer} Returns the cloned array buffer.
*/
function cloneArrayBuffer(arrayBuffer) {
var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
new Uint8Array(result).set(new Uint8Array(arrayBuffer));
return result;
}
/**
* Creates a clone of `dataView`.
*
* @private
* @param {Object} dataView The data view to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned data view.
*/
function cloneDataView(dataView, isDeep) {
var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
}
/**
* Creates a clone of `regexp`.
*
* @private
* @param {Object} regexp The regexp to clone.
* @returns {Object} Returns the cloned regexp.
*/
function cloneRegExp(regexp) {
var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
result.lastIndex = regexp.lastIndex;
return result;
}
/**
* Creates a clone of the `symbol` object.
*
* @private
* @param {Object} symbol The symbol object to clone.
* @returns {Object} Returns the cloned symbol object.
*/
function cloneSymbol(symbol) {
return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
}
/**
* Creates a clone of `typedArray`.
*
* @private
* @param {Object} typedArray The typed array to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned typed array.
*/
function cloneTypedArray(typedArray, isDeep) {
var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
}
/**
* Compares values to sort them in ascending order.
*
* @private
* @param {*} value The value to compare.
* @param {*} other The other value to compare.
* @returns {number} Returns the sort order indicator for `value`.
*/
function compareAscending(value, other) {
if (value !== other) {
var valIsDefined = value !== undefined,
valIsNull = value === null,
valIsReflexive = value === value,
valIsSymbol = isSymbol(value);
var othIsDefined = other !== undefined,
othIsNull = other === null,
othIsReflexive = other === other,
othIsSymbol = isSymbol(other);
if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
(valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
(valIsNull && othIsDefined && othIsReflexive) ||
(!valIsDefined && othIsReflexive) ||
!valIsReflexive) {
return 1;
}
if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
(othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
(othIsNull && valIsDefined && valIsReflexive) ||
(!othIsDefined && valIsReflexive) ||
!othIsReflexive) {
return -1;
}
}
return 0;
}
/**
* Used by `_.orderBy` to compare multiple properties of a value to another
* and stable sort them.
*
* If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
* specify an order of "desc" for descending or "asc" for ascending sort order
* of corresponding values.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {boolean[]|string[]} orders The order to sort by for each property.
* @returns {number} Returns the sort order indicator for `object`.
*/
function compareMultiple(object, other, orders) {
var index = -1,
objCriteria = object.criteria,
othCriteria = other.criteria,
length = objCriteria.length,
ordersLength = orders.length;
while (++index < length) {
var result = compareAscending(objCriteria[index], othCriteria[index]);
if (result) {
if (index >= ordersLength) {
return result;
}
var order = orders[index];
return result * (order == 'desc' ? -1 : 1);
}
}
// Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
// that causes it, under certain circumstances, to provide the same value for
// `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
// for more details.
//
// This also ensures a stable sort in V8 and other engines.
// See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
return object.index - other.index;
}
/**
* Creates an array that is the composition of partially applied arguments,
* placeholders, and provided arguments into a single array of arguments.
*
* @private
* @param {Array} args The provided arguments.
* @param {Array} partials The arguments to prepend to those provided.
* @param {Array} holders The `partials` placeholder indexes.
* @params {boolean} [isCurried] Specify composing for a curried function.
* @returns {Array} Returns the new array of composed arguments.
*/
function composeArgs(args, partials, holders, isCurried) {
var argsIndex = -1,
argsLength = args.length,
holdersLength = holders.length,
leftIndex = -1,
leftLength = partials.length,
rangeLength = nativeMax(argsLength - holdersLength, 0),
result = Array(leftLength + rangeLength),
isUncurried = !isCurried;
while (++leftIndex < leftLength) {
result[leftIndex] = partials[leftIndex];
}
while (++argsIndex < holdersLength) {
if (isUncurried || argsIndex < argsLength) {
result[holders[argsIndex]] = args[argsIndex];
}
}
while (rangeLength--) {
result[leftIndex++] = args[argsIndex++];
}
return result;
}
/**
* This function is like `composeArgs` except that the arguments composition
* is tailored for `_.partialRight`.
*
* @private
* @param {Array} args The provided arguments.
* @param {Array} partials The arguments to append to those provided.
* @param {Array} holders The `partials` placeholder indexes.
* @params {boolean} [isCurried] Specify composing for a curried function.
* @returns {Array} Returns the new array of composed arguments.
*/
function composeArgsRight(args, partials, holders, isCurried) {
var argsIndex = -1,
argsLength = args.length,
holdersIndex = -1,
holdersLength = holders.length,
rightIndex = -1,
rightLength = partials.length,
rangeLength = nativeMax(argsLength - holdersLength, 0),
result = Array(rangeLength + rightLength),
isUncurried = !isCurried;
while (++argsIndex < rangeLength) {
result[argsIndex] = args[argsIndex];
}
var offset = argsIndex;
while (++rightIndex < rightLength) {
result[offset + rightIndex] = partials[rightIndex];
}
while (++holdersIndex < holdersLength) {
if (isUncurried || argsIndex < argsLength) {
result[offset + holders[holdersIndex]] = args[argsIndex++];
}
}
return result;
}
/**
* Copies the values of `source` to `array`.
*
* @private
* @param {Array} source The array to copy values from.
* @param {Array} [array=[]] The array to copy values to.
* @returns {Array} Returns `array`.
*/
function copyArray(source, array) {
var index = -1,
length = source.length;
array || (array = Array(length));
while (++index < length) {
array[index] = source[index];
}
return array;
}
/**
* Copies properties of `source` to `object`.
*
* @private
* @param {Object} source The object to copy properties from.
* @param {Array} props The property identifiers to copy.
* @param {Object} [object={}] The object to copy properties to.
* @param {Function} [customizer] The function to customize copied values.
* @returns {Object} Returns `object`.
*/
function copyObject(source, props, object, customizer) {
var isNew = !object;
object || (object = {});
var index = -1,
length = props.length;
while (++index < length) {
var key = props[index];
var newValue = customizer
? customizer(object[key], source[key], key, object, source)
: undefined;
if (newValue === undefined) {
newValue = source[key];
}
if (isNew) {
baseAssignValue(object, key, newValue);
} else {
assignValue(object, key, newValue);
}
}
return object;
}
/**
* Copies own symbols of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbols(source, object) {
return copyObject(source, getSymbols(source), object);
}
/**
* Copies own and inherited symbols of `source` to `object`.
*
* @private
* @param {Object} source The object to copy symbols from.
* @param {Object} [object={}] The object to copy symbols to.
* @returns {Object} Returns `object`.
*/
function copySymbolsIn(source, object) {
return copyObject(source, getSymbolsIn(source), object);
}
/**
* Creates a function like `_.groupBy`.
*
* @private
* @param {Function} setter The function to set accumulator values.
* @param {Function} [initializer] The accumulator object initializer.
* @returns {Function} Returns the new aggregator function.
*/
function createAggregator(setter, initializer) {
return function(collection, iteratee) {
var func = isArray(collection) ? arrayAggregator : baseAggregator,
accumulator = initializer ? initializer() : {};
return func(collection, setter, getIteratee(iteratee, 2), accumulator);
};
}
/**
* Creates a function like `_.assign`.
*
* @private
* @param {Function} assigner The function to assign values.
* @returns {Function} Returns the new assigner function.
*/
function createAssigner(assigner) {
return baseRest(function(object, sources) {
var index = -1,
length = sources.length,
customizer = length > 1 ? sources[length - 1] : undefined,
guard = length > 2 ? sources[2] : undefined;
customizer = (assigner.length > 3 && typeof customizer == 'function')
? (length--, customizer)
: undefined;
if (guard && isIterateeCall(sources[0], sources[1], guard)) {
customizer = length < 3 ? undefined : customizer;
length = 1;
}
object = Object(object);
while (++index < length) {
var source = sources[index];
if (source) {
assigner(object, source, index, customizer);
}
}
return object;
});
}
/**
* Creates a `baseEach` or `baseEachRight` function.
*
* @private
* @param {Function} eachFunc The function to iterate over a collection.
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new base function.
*/
function createBaseEach(eachFunc, fromRight) {
return function(collection, iteratee) {
if (collection == null) {
return collection;
}
if (!isArrayLike(collection)) {
return eachFunc(collection, iteratee);
}
var length = collection.length,
index = fromRight ? length : -1,
iterable = Object(collection);
while ((fromRight ? index-- : ++index < length)) {
if (iteratee(iterable[index], index, iterable) === false) {
break;
}
}
return collection;
};
}
/**
* Creates a base function for methods like `_.forIn` and `_.forOwn`.
*
* @private
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new base function.
*/
function createBaseFor(fromRight) {
return function(object, iteratee, keysFunc) {
var index = -1,
iterable = Object(object),
props = keysFunc(object),
length = props.length;
while (length--) {
var key = props[fromRight ? length : ++index];
if (iteratee(iterable[key], key, iterable) === false) {
break;
}
}
return object;
};
}
/**
* Creates a function that wraps `func` to invoke it with the optional `this`
* binding of `thisArg`.
*
* @private
* @param {Function} func The function to wrap.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @param {*} [thisArg] The `this` binding of `func`.
* @returns {Function} Returns the new wrapped function.
*/
function createBind(func, bitmask, thisArg) {
var isBind = bitmask & WRAP_BIND_FLAG,
Ctor = createCtor(func);
function wrapper() {
var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
return fn.apply(isBind ? thisArg : this, arguments);
}
return wrapper;
}
/**
* Creates a function like `_.lowerFirst`.
*
* @private
* @param {string} methodName The name of the `String` case method to use.
* @returns {Function} Returns the new case function.
*/
function createCaseFirst(methodName) {
return function(string) {
string = toString(string);
var strSymbols = hasUnicode(string)
? stringToArray(string)
: undefined;
var chr = strSymbols
? strSymbols[0]
: string.charAt(0);
var trailing = strSymbols
? castSlice(strSymbols, 1).join('')
: string.slice(1);
return chr[methodName]() + trailing;
};
}
/**
* Creates a function like `_.camelCase`.
*
* @private
* @param {Function} callback The function to combine each word.
* @returns {Function} Returns the new compounder function.
*/
function createCompounder(callback) {
return function(string) {
return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
};
}
/**
* Creates a function that produces an instance of `Ctor` regardless of
* whether it was invoked as part of a `new` expression or by `call` or `apply`.
*
* @private
* @param {Function} Ctor The constructor to wrap.
* @returns {Function} Returns the new wrapped function.
*/
function createCtor(Ctor) {
return function() {
// Use a `switch` statement to work with class constructors. See
// http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
// for more details.
var args = arguments;
switch (args.length) {
case 0: return new Ctor;
case 1: return new Ctor(args[0]);
case 2: return new Ctor(args[0], args[1]);
case 3: return new Ctor(args[0], args[1], args[2]);
case 4: return new Ctor(args[0], args[1], args[2], args[3]);
case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
}
var thisBinding = baseCreate(Ctor.prototype),
result = Ctor.apply(thisBinding, args);
// Mimic the constructor's `return` behavior.
// See https://es5.github.io/#x13.2.2 for more details.
return isObject(result) ? result : thisBinding;
};
}
/**
* Creates a function that wraps `func` to enable currying.
*
* @private
* @param {Function} func The function to wrap.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @param {number} arity The arity of `func`.
* @returns {Function} Returns the new wrapped function.
*/
function createCurry(func, bitmask, arity) {
var Ctor = createCtor(func);
function wrapper() {
var length = arguments.length,
args = Array(length),
index = length,
placeholder = getHolder(wrapper);
while (index--) {
args[index] = arguments[index];
}
var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
? []
: replaceHolders(args, placeholder);
length -= holders.length;
if (length < arity) {
return createRecurry(
func, bitmask, createHybrid, wrapper.placeholder, undefined,
args, holders, undefined, undefined, arity - length);
}
var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
return apply(fn, this, args);
}
return wrapper;
}
/**
* Creates a `_.find` or `_.findLast` function.
*
* @private
* @param {Function} findIndexFunc The function to find the collection index.
* @returns {Function} Returns the new find function.
*/
function createFind(findIndexFunc) {
return function(collection, predicate, fromIndex) {
var iterable = Object(collection);
if (!isArrayLike(collection)) {
var iteratee = getIteratee(predicate, 3);
collection = keys(collection);
predicate = function(key) { return iteratee(iterable[key], key, iterable); };
}
var index = findIndexFunc(collection, predicate, fromIndex);
return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
};
}
/**
* Creates a `_.flow` or `_.flowRight` function.
*
* @private
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new flow function.
*/
function createFlow(fromRight) {
return flatRest(function(funcs) {
var length = funcs.length,
index = length,
prereq = LodashWrapper.prototype.thru;
if (fromRight) {
funcs.reverse();
}
while (index--) {
var func = funcs[index];
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
var wrapper = new LodashWrapper([], true);
}
}
index = wrapper ? index : length;
while (++index < length) {
func = funcs[index];
var funcName = getFuncName(func),
data = funcName == 'wrapper' ? getData(func) : undefined;
if (data && isLaziable(data[0]) &&
data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
!data[4].length && data[9] == 1
) {
wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
} else {
wrapper = (func.length == 1 && isLaziable(func))
? wrapper[funcName]()
: wrapper.thru(func);
}
}
return function() {
var args = arguments,
value = args[0];
if (wrapper && args.length == 1 && isArray(value)) {
return wrapper.plant(value).value();
}
var index = 0,
result = length ? funcs[index].apply(this, args) : value;
while (++index < length) {
result = funcs[index].call(this, result);
}
return result;
};
});
}
/**
* Creates a function that wraps `func` to invoke it with optional `this`
* binding of `thisArg`, partial application, and currying.
*
* @private
* @param {Function|string} func The function or method name to wrap.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @param {*} [thisArg] The `this` binding of `func`.
* @param {Array} [partials] The arguments to prepend to those provided to
* the new function.
* @param {Array} [holders] The `partials` placeholder indexes.
* @param {Array} [partialsRight] The arguments to append to those provided
* to the new function.
* @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
* @param {Array} [argPos] The argument positions of the new function.
* @param {number} [ary] The arity cap of `func`.
* @param {number} [arity] The arity of `func`.
* @returns {Function} Returns the new wrapped function.
*/
function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
var isAry = bitmask & WRAP_ARY_FLAG,
isBind = bitmask & WRAP_BIND_FLAG,
isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
isFlip = bitmask & WRAP_FLIP_FLAG,
Ctor = isBindKey ? undefined : createCtor(func);
function wrapper() {
var length = arguments.length,
args = Array(length),
index = length;
while (index--) {
args[index] = arguments[index];
}
if (isCurried) {
var placeholder = getHolder(wrapper),
holdersCount = countHolders(args, placeholder);
}
if (partials) {
args = composeArgs(args, partials, holders, isCurried);
}
if (partialsRight) {
args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
}
length -= holdersCount;
if (isCurried && length < arity) {
var newHolders = replaceHolders(args, placeholder);
return createRecurry(
func, bitmask, createHybrid, wrapper.placeholder, thisArg,
args, newHolders, argPos, ary, arity - length
);
}
var thisBinding = isBind ? thisArg : this,
fn = isBindKey ? thisBinding[func] : func;
length = args.length;
if (argPos) {
args = reorder(args, argPos);
} else if (isFlip && length > 1) {
args.reverse();
}
if (isAry && ary < length) {
args.length = ary;
}
if (this && this !== root && this instanceof wrapper) {
fn = Ctor || createCtor(fn);
}
return fn.apply(thisBinding, args);
}
return wrapper;
}
/**
* Creates a function like `_.invertBy`.
*
* @private
* @param {Function} setter The function to set accumulator values.
* @param {Function} toIteratee The function to resolve iteratees.
* @returns {Function} Returns the new inverter function.
*/
function createInverter(setter, toIteratee) {
return function(object, iteratee) {
return baseInverter(object, setter, toIteratee(iteratee), {});
};
}
/**
* Creates a function that performs a mathematical operation on two values.
*
* @private
* @param {Function} operator The function to perform the operation.
* @param {number} [defaultValue] The value used for `undefined` arguments.
* @returns {Function} Returns the new mathematical operation function.
*/
function createMathOperation(operator, defaultValue) {
return function(value, other) {
var result;
if (value === undefined && other === undefined) {
return defaultValue;
}
if (value !== undefined) {
result = value;
}
if (other !== undefined) {
if (result === undefined) {
return other;
}
if (typeof value == 'string' || typeof other == 'string') {
value = baseToString(value);
other = baseToString(other);
} else {
value = baseToNumber(value);
other = baseToNumber(other);
}
result = operator(value, other);
}
return result;
};
}
/**
* Creates a function like `_.over`.
*
* @private
* @param {Function} arrayFunc The function to iterate over iteratees.
* @returns {Function} Returns the new over function.
*/
function createOver(arrayFunc) {
return flatRest(function(iteratees) {
iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
return baseRest(function(args) {
var thisArg = this;
return arrayFunc(iteratees, function(iteratee) {
return apply(iteratee, thisArg, args);
});
});
});
}
/**
* Creates the padding for `string` based on `length`. The `chars` string
* is truncated if the number of characters exceeds `length`.
*
* @private
* @param {number} length The padding length.
* @param {string} [chars=' '] The string used as padding.
* @returns {string} Returns the padding for `string`.
*/
function createPadding(length, chars) {
chars = chars === undefined ? ' ' : baseToString(chars);
var charsLength = chars.length;
if (charsLength < 2) {
return charsLength ? baseRepeat(chars, length) : chars;
}
var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
return hasUnicode(chars)
? castSlice(stringToArray(result), 0, length).join('')
: result.slice(0, length);
}
/**
* Creates a function that wraps `func` to invoke it with the `this` binding
* of `thisArg` and `partials` prepended to the arguments it receives.
*
* @private
* @param {Function} func The function to wrap.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @param {*} thisArg The `this` binding of `func`.
* @param {Array} partials The arguments to prepend to those provided to
* the new function.
* @returns {Function} Returns the new wrapped function.
*/
function createPartial(func, bitmask, thisArg, partials) {
var isBind = bitmask & WRAP_BIND_FLAG,
Ctor = createCtor(func);
function wrapper() {
var argsIndex = -1,
argsLength = arguments.length,
leftIndex = -1,
leftLength = partials.length,
args = Array(leftLength + argsLength),
fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
while (++leftIndex < leftLength) {
args[leftIndex] = partials[leftIndex];
}
while (argsLength--) {
args[leftIndex++] = arguments[++argsIndex];
}
return apply(fn, isBind ? thisArg : this, args);
}
return wrapper;
}
/**
* Creates a `_.range` or `_.rangeRight` function.
*
* @private
* @param {boolean} [fromRight] Specify iterating from right to left.
* @returns {Function} Returns the new range function.
*/
function createRange(fromRight) {
return function(start, end, step) {
if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
end = step = undefined;
}
// Ensure the sign of `-0` is preserved.
start = toFinite(start);
if (end === undefined) {
end = start;
start = 0;
} else {
end = toFinite(end);
}
step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
return baseRange(start, end, step, fromRight);
};
}
/**
* Creates a function that performs a relational operation on two values.
*
* @private
* @param {Function} operator The function to perform the operation.
* @returns {Function} Returns the new relational operation function.
*/
function createRelationalOperation(operator) {
return function(value, other) {
if (!(typeof value == 'string' && typeof other == 'string')) {
value = toNumber(value);
other = toNumber(other);
}
return operator(value, other);
};
}
/**
* Creates a function that wraps `func` to continue currying.
*
* @private
* @param {Function} func The function to wrap.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @param {Function} wrapFunc The function to create the `func` wrapper.
* @param {*} placeholder The placeholder value.
* @param {*} [thisArg] The `this` binding of `func`.
* @param {Array} [partials] The arguments to prepend to those provided to
* the new function.
* @param {Array} [holders] The `partials` placeholder indexes.
* @param {Array} [argPos] The argument positions of the new function.
* @param {number} [ary] The arity cap of `func`.
* @param {number} [arity] The arity of `func`.
* @returns {Function} Returns the new wrapped function.
*/
function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
var isCurry = bitmask & WRAP_CURRY_FLAG,
newHolders = isCurry ? holders : undefined,
newHoldersRight = isCurry ? undefined : holders,
newPartials = isCurry ? partials : undefined,
newPartialsRight = isCurry ? undefined : partials;
bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
}
var newData = [
func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
newHoldersRight, argPos, ary, arity
];
var result = wrapFunc.apply(undefined, newData);
if (isLaziable(func)) {
setData(result, newData);
}
result.placeholder = placeholder;
return setWrapToString(result, func, bitmask);
}
/**
* Creates a function like `_.round`.
*
* @private
* @param {string} methodName The name of the `Math` method to use when rounding.
* @returns {Function} Returns the new round function.
*/
function createRound(methodName) {
var func = Math[methodName];
return function(number, precision) {
number = toNumber(number);
precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
if (precision && nativeIsFinite(number)) {
// Shift with exponential notation to avoid floating-point issues.
// See [MDN](https://mdn.io/round#Examples) for more details.
var pair = (toString(number) + 'e').split('e'),
value = func(pair[0] + 'e' + (+pair[1] + precision));
pair = (toString(value) + 'e').split('e');
return +(pair[0] + 'e' + (+pair[1] - precision));
}
return func(number);
};
}
/**
* Creates a set object of `values`.
*
* @private
* @param {Array} values The values to add to the set.
* @returns {Object} Returns the new set.
*/
var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
return new Set(values);
};
/**
* Creates a `_.toPairs` or `_.toPairsIn` function.
*
* @private
* @param {Function} keysFunc The function to get the keys of a given object.
* @returns {Function} Returns the new pairs function.
*/
function createToPairs(keysFunc) {
return function(object) {
var tag = getTag(object);
if (tag == mapTag) {
return mapToArray(object);
}
if (tag == setTag) {
return setToPairs(object);
}
return baseToPairs(object, keysFunc(object));
};
}
/**
* Creates a function that either curries or invokes `func` with optional
* `this` binding and partially applied arguments.
*
* @private
* @param {Function|string} func The function or method name to wrap.
* @param {number} bitmask The bitmask flags.
* 1 - `_.bind`
* 2 - `_.bindKey`
* 4 - `_.curry` or `_.curryRight` of a bound function
* 8 - `_.curry`
* 16 - `_.curryRight`
* 32 - `_.partial`
* 64 - `_.partialRight`
* 128 - `_.rearg`
* 256 - `_.ary`
* 512 - `_.flip`
* @param {*} [thisArg] The `this` binding of `func`.
* @param {Array} [partials] The arguments to be partially applied.
* @param {Array} [holders] The `partials` placeholder indexes.
* @param {Array} [argPos] The argument positions of the new function.
* @param {number} [ary] The arity cap of `func`.
* @param {number} [arity] The arity of `func`.
* @returns {Function} Returns the new wrapped function.
*/
function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
if (!isBindKey && typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
var length = partials ? partials.length : 0;
if (!length) {
bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
partials = holders = undefined;
}
ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
arity = arity === undefined ? arity : toInteger(arity);
length -= holders ? holders.length : 0;
if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
var partialsRight = partials,
holdersRight = holders;
partials = holders = undefined;
}
var data = isBindKey ? undefined : getData(func);
var newData = [
func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
argPos, ary, arity
];
if (data) {
mergeData(newData, data);
}
func = newData[0];
bitmask = newData[1];
thisArg = newData[2];
partials = newData[3];
holders = newData[4];
arity = newData[9] = newData[9] === undefined
? (isBindKey ? 0 : func.length)
: nativeMax(newData[9] - length, 0);
if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
}
if (!bitmask || bitmask == WRAP_BIND_FLAG) {
var result = createBind(func, bitmask, thisArg);
} else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
result = createCurry(func, bitmask, arity);
} else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
result = createPartial(func, bitmask, thisArg, partials);
} else {
result = createHybrid.apply(undefined, newData);
}
var setter = data ? baseSetData : setData;
return setWrapToString(setter(result, newData), func, bitmask);
}
/**
* Used by `_.defaults` to customize its `_.assignIn` use to assign properties
* of source objects to the destination object for all destination properties
* that resolve to `undefined`.
*
* @private
* @param {*} objValue The destination value.
* @param {*} srcValue The source value.
* @param {string} key The key of the property to assign.
* @param {Object} object The parent object of `objValue`.
* @returns {*} Returns the value to assign.
*/
function customDefaultsAssignIn(objValue, srcValue, key, object) {
if (objValue === undefined ||
(eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
return srcValue;
}
return objValue;
}
/**
* Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
* objects into destination objects that are passed thru.
*
* @private
* @param {*} objValue The destination value.
* @param {*} srcValue The source value.
* @param {string} key The key of the property to merge.
* @param {Object} object The parent object of `objValue`.
* @param {Object} source The parent object of `srcValue`.
* @param {Object} [stack] Tracks traversed source values and their merged
* counterparts.
* @returns {*} Returns the value to assign.
*/
function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
if (isObject(objValue) && isObject(srcValue)) {
// Recursively merge objects and arrays (susceptible to call stack limits).
stack.set(srcValue, objValue);
baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
stack['delete'](srcValue);
}
return objValue;
}
/**
* Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
* objects.
*
* @private
* @param {*} value The value to inspect.
* @param {string} key The key of the property to inspect.
* @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
*/
function customOmitClone(value) {
return isPlainObject(value) ? undefined : value;
}
/**
* A specialized version of `baseIsEqualDeep` for arrays with support for
* partial deep comparisons.
*
* @private
* @param {Array} array The array to compare.
* @param {Array} other The other array to compare.
* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
* @param {Function} customizer The function to customize comparisons.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Object} stack Tracks traversed `array` and `other` objects.
* @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
*/
function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
arrLength = array.length,
othLength = other.length;
if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
return false;
}
// Check that cyclic values are equal.
var arrStacked = stack.get(array);
var othStacked = stack.get(other);
if (arrStacked && othStacked) {
return arrStacked == other && othStacked == array;
}
var index = -1,
result = true,
seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
stack.set(array, other);
stack.set(other, array);
// Ignore non-index properties.
while (++index < arrLength) {
var arrValue = array[index],
othValue = other[index];
if (customizer) {
var compared = isPartial
? customizer(othValue, arrValue, index, other, array, stack)
: customizer(arrValue, othValue, index, array, other, stack);
}
if (compared !== undefined) {
if (compared) {
continue;
}
result = false;
break;
}
// Recursively compare arrays (susceptible to call stack limits).
if (seen) {
if (!arraySome(other, function(othValue, othIndex) {
if (!cacheHas(seen, othIndex) &&
(arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
return seen.push(othIndex);
}
})) {
result = false;
break;
}
} else if (!(
arrValue === othValue ||
equalFunc(arrValue, othValue, bitmask, customizer, stack)
)) {
result = false;
break;
}
}
stack['delete'](array);
stack['delete'](other);
return result;
}
/**
* A specialized version of `baseIsEqualDeep` for comparing objects of
* the same `toStringTag`.
*
* **Note:** This function only supports comparing values with tags of
* `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {string} tag The `toStringTag` of the objects to compare.
* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
* @param {Function} customizer The function to customize comparisons.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Object} stack Tracks traversed `object` and `other` objects.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
switch (tag) {
case dataViewTag:
if ((object.byteLength != other.byteLength) ||
(object.byteOffset != other.byteOffset)) {
return false;
}
object = object.buffer;
other = other.buffer;
case arrayBufferTag:
if ((object.byteLength != other.byteLength) ||
!equalFunc(new Uint8Array(object), new Uint8Array(other))) {
return false;
}
return true;
case boolTag:
case dateTag:
case numberTag:
// Coerce booleans to `1` or `0` and dates to milliseconds.
// Invalid dates are coerced to `NaN`.
return eq(+object, +other);
case errorTag:
return object.name == other.name && object.message == other.message;
case regexpTag:
case stringTag:
// Coerce regexes to strings and treat strings, primitives and objects,
// as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
// for more details.
return object == (other + '');
case mapTag:
var convert = mapToArray;
case setTag:
var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
convert || (convert = setToArray);
if (object.size != other.size && !isPartial) {
return false;
}
// Assume cyclic values are equal.
var stacked = stack.get(object);
if (stacked) {
return stacked == other;
}
bitmask |= COMPARE_UNORDERED_FLAG;
// Recursively compare objects (susceptible to call stack limits).
stack.set(object, other);
var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
stack['delete'](object);
return result;
case symbolTag:
if (symbolValueOf) {
return symbolValueOf.call(object) == symbolValueOf.call(other);
}
}
return false;
}
/**
* A specialized version of `baseIsEqualDeep` for objects with support for
* partial deep comparisons.
*
* @private
* @param {Object} object The object to compare.
* @param {Object} other The other object to compare.
* @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
* @param {Function} customizer The function to customize comparisons.
* @param {Function} equalFunc The function to determine equivalents of values.
* @param {Object} stack Tracks traversed `object` and `other` objects.
* @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
*/
function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
objProps = getAllKeys(object),
objLength = objProps.length,
othProps = getAllKeys(other),
othLength = othProps.length;
if (objLength != othLength && !isPartial) {
return false;
}
var index = objLength;
while (index--) {
var key = objProps[index];
if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
return false;
}
}
// Check that cyclic values are equal.
var objStacked = stack.get(object);
var othStacked = stack.get(other);
if (objStacked && othStacked) {
return objStacked == other && othStacked == object;
}
var result = true;
stack.set(object, other);
stack.set(other, object);
var skipCtor = isPartial;
while (++index < objLength) {
key = objProps[index];
var objValue = object[key],
othValue = other[key];
if (customizer) {
var compared = isPartial
? customizer(othValue, objValue, key, other, object, stack)
: customizer(objValue, othValue, key, object, other, stack);
}
// Recursively compare objects (susceptible to call stack limits).
if (!(compared === undefined
? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
: compared
)) {
result = false;
break;
}
skipCtor || (skipCtor = key == 'constructor');
}
if (result && !skipCtor) {
var objCtor = object.constructor,
othCtor = other.constructor;
// Non `Object` object instances with different constructors are not equal.
if (objCtor != othCtor &&
('constructor' in object && 'constructor' in other) &&
!(typeof objCtor == 'function' && objCtor instanceof objCtor &&
typeof othCtor == 'function' && othCtor instanceof othCtor)) {
result = false;
}
}
stack['delete'](object);
stack['delete'](other);
return result;
}
/**
* A specialized version of `baseRest` which flattens the rest array.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @returns {Function} Returns the new function.
*/
function flatRest(func) {
return setToString(overRest(func, undefined, flatten), func + '');
}
/**
* Creates an array of own enumerable property names and symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names and symbols.
*/
function getAllKeys(object) {
return baseGetAllKeys(object, keys, getSymbols);
}
/**
* Creates an array of own and inherited enumerable property names and
* symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names and symbols.
*/
function getAllKeysIn(object) {
return baseGetAllKeys(object, keysIn, getSymbolsIn);
}
/**
* Gets metadata for `func`.
*
* @private
* @param {Function} func The function to query.
* @returns {*} Returns the metadata for `func`.
*/
var getData = !metaMap ? noop : function(func) {
return metaMap.get(func);
};
/**
* Gets the name of `func`.
*
* @private
* @param {Function} func The function to query.
* @returns {string} Returns the function name.
*/
function getFuncName(func) {
var result = (func.name + ''),
array = realNames[result],
length = hasOwnProperty.call(realNames, result) ? array.length : 0;
while (length--) {
var data = array[length],
otherFunc = data.func;
if (otherFunc == null || otherFunc == func) {
return data.name;
}
}
return result;
}
/**
* Gets the argument placeholder value for `func`.
*
* @private
* @param {Function} func The function to inspect.
* @returns {*} Returns the placeholder value.
*/
function getHolder(func) {
var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
return object.placeholder;
}
/**
* Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
* this function returns the custom method, otherwise it returns `baseIteratee`.
* If arguments are provided, the chosen function is invoked with them and
* its result is returned.
*
* @private
* @param {*} [value] The value to convert to an iteratee.
* @param {number} [arity] The arity of the created iteratee.
* @returns {Function} Returns the chosen function or its result.
*/
function getIteratee() {
var result = lodash.iteratee || iteratee;
result = result === iteratee ? baseIteratee : result;
return arguments.length ? result(arguments[0], arguments[1]) : result;
}
/**
* Gets the data for `map`.
*
* @private
* @param {Object} map The map to query.
* @param {string} key The reference key.
* @returns {*} Returns the map data.
*/
function getMapData(map, key) {
var data = map.__data__;
return isKeyable(key)
? data[typeof key == 'string' ? 'string' : 'hash']
: data.map;
}
/**
* Gets the property names, values, and compare flags of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the match data of `object`.
*/
function getMatchData(object) {
var result = keys(object),
length = result.length;
while (length--) {
var key = result[length],
value = object[key];
result[length] = [key, value, isStrictComparable(value)];
}
return result;
}
/**
* Gets the native function at `key` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the method to get.
* @returns {*} Returns the function if it's native, else `undefined`.
*/
function getNative(object, key) {
var value = getValue(object, key);
return baseIsNative(value) ? value : undefined;
}
/**
* A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the raw `toStringTag`.
*/
function getRawTag(value) {
var isOwn = hasOwnProperty.call(value, symToStringTag),
tag = value[symToStringTag];
try {
value[symToStringTag] = undefined;
var unmasked = true;
} catch (e) {}
var result = nativeObjectToString.call(value);
if (unmasked) {
if (isOwn) {
value[symToStringTag] = tag;
} else {
delete value[symToStringTag];
}
}
return result;
}
/**
* Creates an array of the own enumerable symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of symbols.
*/
var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
if (object == null) {
return [];
}
object = Object(object);
return arrayFilter(nativeGetSymbols(object), function(symbol) {
return propertyIsEnumerable.call(object, symbol);
});
};
/**
* Creates an array of the own and inherited enumerable symbols of `object`.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of symbols.
*/
var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
var result = [];
while (object) {
arrayPush(result, getSymbols(object));
object = getPrototype(object);
}
return result;
};
/**
* Gets the `toStringTag` of `value`.
*
* @private
* @param {*} value The value to query.
* @returns {string} Returns the `toStringTag`.
*/
var getTag = baseGetTag;
// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
(Map && getTag(new Map) != mapTag) ||
(Promise && getTag(Promise.resolve()) != promiseTag) ||
(Set && getTag(new Set) != setTag) ||
(WeakMap && getTag(new WeakMap) != weakMapTag)) {
getTag = function(value) {
var result = baseGetTag(value),
Ctor = result == objectTag ? value.constructor : undefined,
ctorString = Ctor ? toSource(Ctor) : '';
if (ctorString) {
switch (ctorString) {
case dataViewCtorString: return dataViewTag;
case mapCtorString: return mapTag;
case promiseCtorString: return promiseTag;
case setCtorString: return setTag;
case weakMapCtorString: return weakMapTag;
}
}
return result;
};
}
/**
* Gets the view, applying any `transforms` to the `start` and `end` positions.
*
* @private
* @param {number} start The start of the view.
* @param {number} end The end of the view.
* @param {Array} transforms The transformations to apply to the view.
* @returns {Object} Returns an object containing the `start` and `end`
* positions of the view.
*/
function getView(start, end, transforms) {
var index = -1,
length = transforms.length;
while (++index < length) {
var data = transforms[index],
size = data.size;
switch (data.type) {
case 'drop': start += size; break;
case 'dropRight': end -= size; break;
case 'take': end = nativeMin(end, start + size); break;
case 'takeRight': start = nativeMax(start, end - size); break;
}
}
return { 'start': start, 'end': end };
}
/**
* Extracts wrapper details from the `source` body comment.
*
* @private
* @param {string} source The source to inspect.
* @returns {Array} Returns the wrapper details.
*/
function getWrapDetails(source) {
var match = source.match(reWrapDetails);
return match ? match[1].split(reSplitDetails) : [];
}
/**
* Checks if `path` exists on `object`.
*
* @private
* @param {Object} object The object to query.
* @param {Array|string} path The path to check.
* @param {Function} hasFunc The function to check properties.
* @returns {boolean} Returns `true` if `path` exists, else `false`.
*/
function hasPath(object, path, hasFunc) {
path = castPath(path, object);
var index = -1,
length = path.length,
result = false;
while (++index < length) {
var key = toKey(path[index]);
if (!(result = object != null && hasFunc(object, key))) {
break;
}
object = object[key];
}
if (result || ++index != length) {
return result;
}
length = object == null ? 0 : object.length;
return !!length && isLength(length) && isIndex(key, length) &&
(isArray(object) || isArguments(object));
}
/**
* Initializes an array clone.
*
* @private
* @param {Array} array The array to clone.
* @returns {Array} Returns the initialized clone.
*/
function initCloneArray(array) {
var length = array.length,
result = new array.constructor(length);
// Add properties assigned by `RegExp#exec`.
if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
result.index = array.index;
result.input = array.input;
}
return result;
}
/**
* Initializes an object clone.
*
* @private
* @param {Object} object The object to clone.
* @returns {Object} Returns the initialized clone.
*/
function initCloneObject(object) {
return (typeof object.constructor == 'function' && !isPrototype(object))
? baseCreate(getPrototype(object))
: {};
}
/**
* Initializes an object clone based on its `toStringTag`.
*
* **Note:** This function only supports cloning values with tags of
* `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
*
* @private
* @param {Object} object The object to clone.
* @param {string} tag The `toStringTag` of the object to clone.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the initialized clone.
*/
function initCloneByTag(object, tag, isDeep) {
var Ctor = object.constructor;
switch (tag) {
case arrayBufferTag:
return cloneArrayBuffer(object);
case boolTag:
case dateTag:
return new Ctor(+object);
case dataViewTag:
return cloneDataView(object, isDeep);
case float32Tag: case float64Tag:
case int8Tag: case int16Tag: case int32Tag:
case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
return cloneTypedArray(object, isDeep);
case mapTag:
return new Ctor;
case numberTag:
case stringTag:
return new Ctor(object);
case regexpTag:
return cloneRegExp(object);
case setTag:
return new Ctor;
case symbolTag:
return cloneSymbol(object);
}
}
/**
* Inserts wrapper `details` in a comment at the top of the `source` body.
*
* @private
* @param {string} source The source to modify.
* @returns {Array} details The details to insert.
* @returns {string} Returns the modified source.
*/
function insertWrapDetails(source, details) {
var length = details.length;
if (!length) {
return source;
}
var lastIndex = length - 1;
details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
details = details.join(length > 2 ? ', ' : ' ');
return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
}
/**
* Checks if `value` is a flattenable `arguments` object or array.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
*/
function isFlattenable(value) {
return isArray(value) || isArguments(value) ||
!!(spreadableSymbol && value && value[spreadableSymbol]);
}
/**
* Checks if `value` is a valid array-like index.
*
* @private
* @param {*} value The value to check.
* @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
* @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
*/
function isIndex(value, length) {
var type = typeof value;
length = length == null ? MAX_SAFE_INTEGER : length;
return !!length &&
(type == 'number' ||
(type != 'symbol' && reIsUint.test(value))) &&
(value > -1 && value % 1 == 0 && value < length);
}
/**
* Checks if the given arguments are from an iteratee call.
*
* @private
* @param {*} value The potential iteratee value argument.
* @param {*} index The potential iteratee index or key argument.
* @param {*} object The potential iteratee object argument.
* @returns {boolean} Returns `true` if the arguments are from an iteratee call,
* else `false`.
*/
function isIterateeCall(value, index, object) {
if (!isObject(object)) {
return false;
}
var type = typeof index;
if (type == 'number'
? (isArrayLike(object) && isIndex(index, object.length))
: (type == 'string' && index in object)
) {
return eq(object[index], value);
}
return false;
}
/**
* Checks if `value` is a property name and not a property path.
*
* @private
* @param {*} value The value to check.
* @param {Object} [object] The object to query keys on.
* @returns {boolean} Returns `true` if `value` is a property name, else `false`.
*/
function isKey(value, object) {
if (isArray(value)) {
return false;
}
var type = typeof value;
if (type == 'number' || type == 'symbol' || type == 'boolean' ||
value == null || isSymbol(value)) {
return true;
}
return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
(object != null && value in Object(object));
}
/**
* Checks if `value` is suitable for use as unique object key.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is suitable, else `false`.
*/
function isKeyable(value) {
var type = typeof value;
return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
? (value !== '__proto__')
: (value === null);
}
/**
* Checks if `func` has a lazy counterpart.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` has a lazy counterpart,
* else `false`.
*/
function isLaziable(func) {
var funcName = getFuncName(func),
other = lodash[funcName];
if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
return false;
}
if (func === other) {
return true;
}
var data = getData(other);
return !!data && func === data[0];
}
/**
* Checks if `func` has its source masked.
*
* @private
* @param {Function} func The function to check.
* @returns {boolean} Returns `true` if `func` is masked, else `false`.
*/
function isMasked(func) {
return !!maskSrcKey && (maskSrcKey in func);
}
/**
* Checks if `func` is capable of being masked.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `func` is maskable, else `false`.
*/
var isMaskable = coreJsData ? isFunction : stubFalse;
/**
* Checks if `value` is likely a prototype object.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
*/
function isPrototype(value) {
var Ctor = value && value.constructor,
proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
return value === proto;
}
/**
* Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
*
* @private
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` if suitable for strict
* equality comparisons, else `false`.
*/
function isStrictComparable(value) {
return value === value && !isObject(value);
}
/**
* A specialized version of `matchesProperty` for source values suitable
* for strict equality comparisons, i.e. `===`.
*
* @private
* @param {string} key The key of the property to get.
* @param {*} srcValue The value to match.
* @returns {Function} Returns the new spec function.
*/
function matchesStrictComparable(key, srcValue) {
return function(object) {
if (object == null) {
return false;
}
return object[key] === srcValue &&
(srcValue !== undefined || (key in Object(object)));
};
}
/**
* A specialized version of `_.memoize` which clears the memoized function's
* cache when it exceeds `MAX_MEMOIZE_SIZE`.
*
* @private
* @param {Function} func The function to have its output memoized.
* @returns {Function} Returns the new memoized function.
*/
function memoizeCapped(func) {
var result = memoize(func, function(key) {
if (cache.size === MAX_MEMOIZE_SIZE) {
cache.clear();
}
return key;
});
var cache = result.cache;
return result;
}
/**
* Merges the function metadata of `source` into `data`.
*
* Merging metadata reduces the number of wrappers used to invoke a function.
* This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
* may be applied regardless of execution order. Methods like `_.ary` and
* `_.rearg` modify function arguments, making the order in which they are
* executed important, preventing the merging of metadata. However, we make
* an exception for a safe combined case where curried functions have `_.ary`
* and or `_.rearg` applied.
*
* @private
* @param {Array} data The destination metadata.
* @param {Array} source The source metadata.
* @returns {Array} Returns `data`.
*/
function mergeData(data, source) {
var bitmask = data[1],
srcBitmask = source[1],
newBitmask = bitmask | srcBitmask,
isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
var isCombo =
((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
// Exit early if metadata can't be merged.
if (!(isCommon || isCombo)) {
return data;
}
// Use source `thisArg` if available.
if (srcBitmask & WRAP_BIND_FLAG) {
data[2] = source[2];
// Set when currying a bound function.
newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
}
// Compose partial arguments.
var value = source[3];
if (value) {
var partials = data[3];
data[3] = partials ? composeArgs(partials, value, source[4]) : value;
data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
}
// Compose partial right arguments.
value = source[5];
if (value) {
partials = data[5];
data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
}
// Use source `argPos` if available.
value = source[7];
if (value) {
data[7] = value;
}
// Use source `ary` if it's smaller.
if (srcBitmask & WRAP_ARY_FLAG) {
data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
}
// Use source `arity` if one is not provided.
if (data[9] == null) {
data[9] = source[9];
}
// Use source `func` and merge bitmasks.
data[0] = source[0];
data[1] = newBitmask;
return data;
}
/**
* This function is like
* [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
* except that it includes inherited enumerable properties.
*
* @private
* @param {Object} object The object to query.
* @returns {Array} Returns the array of property names.
*/
function nativeKeysIn(object) {
var result = [];
if (object != null) {
for (var key in Object(object)) {
result.push(key);
}
}
return result;
}
/**
* Converts `value` to a string using `Object.prototype.toString`.
*
* @private
* @param {*} value The value to convert.
* @returns {string} Returns the converted string.
*/
function objectToString(value) {
return nativeObjectToString.call(value);
}
/**
* A specialized version of `baseRest` which transforms the rest array.
*
* @private
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @param {Function} transform The rest array transform.
* @returns {Function} Returns the new function.
*/
function overRest(func, start, transform) {
start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
return function() {
var args = arguments,
index = -1,
length = nativeMax(args.length - start, 0),
array = Array(length);
while (++index < length) {
array[index] = args[start + index];
}
index = -1;
var otherArgs = Array(start + 1);
while (++index < start) {
otherArgs[index] = args[index];
}
otherArgs[start] = transform(array);
return apply(func, this, otherArgs);
};
}
/**
* Gets the parent value at `path` of `object`.
*
* @private
* @param {Object} object The object to query.
* @param {Array} path The path to get the parent value of.
* @returns {*} Returns the parent value.
*/
function parent(object, path) {
return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
}
/**
* Reorder `array` according to the specified indexes where the element at
* the first index is assigned as the first element, the element at
* the second index is assigned as the second element, and so on.
*
* @private
* @param {Array} array The array to reorder.
* @param {Array} indexes The arranged array indexes.
* @returns {Array} Returns `array`.
*/
function reorder(array, indexes) {
var arrLength = array.length,
length = nativeMin(indexes.length, arrLength),
oldArray = copyArray(array);
while (length--) {
var index = indexes[length];
array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
}
return array;
}
/**
* Gets the value at `key`, unless `key` is "__proto__" or "constructor".
*
* @private
* @param {Object} object The object to query.
* @param {string} key The key of the property to get.
* @returns {*} Returns the property value.
*/
function safeGet(object, key) {
if (key === 'constructor' && typeof object[key] === 'function') {
return;
}
if (key == '__proto__') {
return;
}
return object[key];
}
/**
* Sets metadata for `func`.
*
* **Note:** If this function becomes hot, i.e. is invoked a lot in a short
* period of time, it will trip its breaker and transition to an identity
* function to avoid garbage collection pauses in V8. See
* [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
* for more details.
*
* @private
* @param {Function} func The function to associate metadata with.
* @param {*} data The metadata.
* @returns {Function} Returns `func`.
*/
var setData = shortOut(baseSetData);
/**
* A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
*
* @private
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @returns {number|Object} Returns the timer id or timeout object.
*/
var setTimeout = ctxSetTimeout || function(func, wait) {
return root.setTimeout(func, wait);
};
/**
* Sets the `toString` method of `func` to return `string`.
*
* @private
* @param {Function} func The function to modify.
* @param {Function} string The `toString` result.
* @returns {Function} Returns `func`.
*/
var setToString = shortOut(baseSetToString);
/**
* Sets the `toString` method of `wrapper` to mimic the source of `reference`
* with wrapper details in a comment at the top of the source body.
*
* @private
* @param {Function} wrapper The function to modify.
* @param {Function} reference The reference function.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @returns {Function} Returns `wrapper`.
*/
function setWrapToString(wrapper, reference, bitmask) {
var source = (reference + '');
return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
}
/**
* Creates a function that'll short out and invoke `identity` instead
* of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
* milliseconds.
*
* @private
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new shortable function.
*/
function shortOut(func) {
var count = 0,
lastCalled = 0;
return function() {
var stamp = nativeNow(),
remaining = HOT_SPAN - (stamp - lastCalled);
lastCalled = stamp;
if (remaining > 0) {
if (++count >= HOT_COUNT) {
return arguments[0];
}
} else {
count = 0;
}
return func.apply(undefined, arguments);
};
}
/**
* A specialized version of `_.shuffle` which mutates and sets the size of `array`.
*
* @private
* @param {Array} array The array to shuffle.
* @param {number} [size=array.length] The size of `array`.
* @returns {Array} Returns `array`.
*/
function shuffleSelf(array, size) {
var index = -1,
length = array.length,
lastIndex = length - 1;
size = size === undefined ? length : size;
while (++index < size) {
var rand = baseRandom(index, lastIndex),
value = array[rand];
array[rand] = array[index];
array[index] = value;
}
array.length = size;
return array;
}
/**
* Converts `string` to a property path array.
*
* @private
* @param {string} string The string to convert.
* @returns {Array} Returns the property path array.
*/
var stringToPath = memoizeCapped(function(string) {
var result = [];
if (string.charCodeAt(0) === 46 /* . */) {
result.push('');
}
string.replace(rePropName, function(match, number, quote, subString) {
result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
});
return result;
});
/**
* Converts `value` to a string key if it's not a string or symbol.
*
* @private
* @param {*} value The value to inspect.
* @returns {string|symbol} Returns the key.
*/
function toKey(value) {
if (typeof value == 'string' || isSymbol(value)) {
return value;
}
var result = (value + '');
return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}
/**
* Converts `func` to its source code.
*
* @private
* @param {Function} func The function to convert.
* @returns {string} Returns the source code.
*/
function toSource(func) {
if (func != null) {
try {
return funcToString.call(func);
} catch (e) {}
try {
return (func + '');
} catch (e) {}
}
return '';
}
/**
* Updates wrapper `details` based on `bitmask` flags.
*
* @private
* @returns {Array} details The details to modify.
* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
* @returns {Array} Returns `details`.
*/
function updateWrapDetails(details, bitmask) {
arrayEach(wrapFlags, function(pair) {
var value = '_.' + pair[0];
if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
details.push(value);
}
});
return details.sort();
}
/**
* Creates a clone of `wrapper`.
*
* @private
* @param {Object} wrapper The wrapper to clone.
* @returns {Object} Returns the cloned wrapper.
*/
function wrapperClone(wrapper) {
if (wrapper instanceof LazyWrapper) {
return wrapper.clone();
}
var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
result.__actions__ = copyArray(wrapper.__actions__);
result.__index__ = wrapper.__index__;
result.__values__ = wrapper.__values__;
return result;
}
/*------------------------------------------------------------------------*/
/**
* Creates an array of elements split into groups the length of `size`.
* If `array` can't be split evenly, the final chunk will be the remaining
* elements.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to process.
* @param {number} [size=1] The length of each chunk
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the new array of chunks.
* @example
*
* _.chunk(['a', 'b', 'c', 'd'], 2);
* // => [['a', 'b'], ['c', 'd']]
*
* _.chunk(['a', 'b', 'c', 'd'], 3);
* // => [['a', 'b', 'c'], ['d']]
*/
function chunk(array, size, guard) {
if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
size = 1;
} else {
size = nativeMax(toInteger(size), 0);
}
var length = array == null ? 0 : array.length;
if (!length || size < 1) {
return [];
}
var index = 0,
resIndex = 0,
result = Array(nativeCeil(length / size));
while (index < length) {
result[resIndex++] = baseSlice(array, index, (index += size));
}
return result;
}
/**
* Creates an array with all falsey values removed. The values `false`, `null`,
* `0`, `""`, `undefined`, and `NaN` are falsey.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to compact.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.compact([0, 1, false, 2, '', 3]);
* // => [1, 2, 3]
*/
function compact(array) {
var index = -1,
length = array == null ? 0 : array.length,
resIndex = 0,
result = [];
while (++index < length) {
var value = array[index];
if (value) {
result[resIndex++] = value;
}
}
return result;
}
/**
* Creates a new array concatenating `array` with any additional arrays
* and/or values.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* var array = [1];
* var other = _.concat(array, 2, [3], [[4]]);
*
* console.log(other);
* // => [1, 2, 3, [4]]
*
* console.log(array);
* // => [1]
*/
function concat() {
var length = arguments.length;
if (!length) {
return [];
}
var args = Array(length - 1),
array = arguments[0],
index = length;
while (index--) {
args[index - 1] = arguments[index];
}
return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
}
/**
* Creates an array of `array` values not included in the other given arrays
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons. The order and references of result values are
* determined by the first array.
*
* **Note:** Unlike `_.pullAll`, this method returns a new array.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @returns {Array} Returns the new array of filtered values.
* @see _.without, _.xor
* @example
*
* _.difference([2, 1], [2, 3]);
* // => [1]
*/
var difference = baseRest(function(array, values) {
return isArrayLikeObject(array)
? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
: [];
});
/**
* This method is like `_.difference` except that it accepts `iteratee` which
* is invoked for each element of `array` and `values` to generate the criterion
* by which they're compared. The order and references of result values are
* determined by the first array. The iteratee is invoked with one argument:
* (value).
*
* **Note:** Unlike `_.pullAllBy`, this method returns a new array.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
* // => [1.2]
*
* // The `_.property` iteratee shorthand.
* _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
* // => [{ 'x': 2 }]
*/
var differenceBy = baseRest(function(array, values) {
var iteratee = last(values);
if (isArrayLikeObject(iteratee)) {
iteratee = undefined;
}
return isArrayLikeObject(array)
? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
: [];
});
/**
* This method is like `_.difference` except that it accepts `comparator`
* which is invoked to compare elements of `array` to `values`. The order and
* references of result values are determined by the first array. The comparator
* is invoked with two arguments: (arrVal, othVal).
*
* **Note:** Unlike `_.pullAllWith`, this method returns a new array.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {...Array} [values] The values to exclude.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
*
* _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
* // => [{ 'x': 2, 'y': 1 }]
*/
var differenceWith = baseRest(function(array, values) {
var comparator = last(values);
if (isArrayLikeObject(comparator)) {
comparator = undefined;
}
return isArrayLikeObject(array)
? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
: [];
});
/**
* Creates a slice of `array` with `n` elements dropped from the beginning.
*
* @static
* @memberOf _
* @since 0.5.0
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.drop([1, 2, 3]);
* // => [2, 3]
*
* _.drop([1, 2, 3], 2);
* // => [3]
*
* _.drop([1, 2, 3], 5);
* // => []
*
* _.drop([1, 2, 3], 0);
* // => [1, 2, 3]
*/
function drop(array, n, guard) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
n = (guard || n === undefined) ? 1 : toInteger(n);
return baseSlice(array, n < 0 ? 0 : n, length);
}
/**
* Creates a slice of `array` with `n` elements dropped from the end.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to drop.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.dropRight([1, 2, 3]);
* // => [1, 2]
*
* _.dropRight([1, 2, 3], 2);
* // => [1]
*
* _.dropRight([1, 2, 3], 5);
* // => []
*
* _.dropRight([1, 2, 3], 0);
* // => [1, 2, 3]
*/
function dropRight(array, n, guard) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
n = (guard || n === undefined) ? 1 : toInteger(n);
n = length - n;
return baseSlice(array, 0, n < 0 ? 0 : n);
}
/**
* Creates a slice of `array` excluding elements dropped from the end.
* Elements are dropped until `predicate` returns falsey. The predicate is
* invoked with three arguments: (value, index, array).
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the slice of `array`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.dropRightWhile(users, function(o) { return !o.active; });
* // => objects for ['barney']
*
* // The `_.matches` iteratee shorthand.
* _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
* // => objects for ['barney', 'fred']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.dropRightWhile(users, ['active', false]);
* // => objects for ['barney']
*
* // The `_.property` iteratee shorthand.
* _.dropRightWhile(users, 'active');
* // => objects for ['barney', 'fred', 'pebbles']
*/
function dropRightWhile(array, predicate) {
return (array && array.length)
? baseWhile(array, getIteratee(predicate, 3), true, true)
: [];
}
/**
* Creates a slice of `array` excluding elements dropped from the beginning.
* Elements are dropped until `predicate` returns falsey. The predicate is
* invoked with three arguments: (value, index, array).
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the slice of `array`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.dropWhile(users, function(o) { return !o.active; });
* // => objects for ['pebbles']
*
* // The `_.matches` iteratee shorthand.
* _.dropWhile(users, { 'user': 'barney', 'active': false });
* // => objects for ['fred', 'pebbles']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.dropWhile(users, ['active', false]);
* // => objects for ['pebbles']
*
* // The `_.property` iteratee shorthand.
* _.dropWhile(users, 'active');
* // => objects for ['barney', 'fred', 'pebbles']
*/
function dropWhile(array, predicate) {
return (array && array.length)
? baseWhile(array, getIteratee(predicate, 3), true)
: [];
}
/**
* Fills elements of `array` with `value` from `start` up to, but not
* including, `end`.
*
* **Note:** This method mutates `array`.
*
* @static
* @memberOf _
* @since 3.2.0
* @category Array
* @param {Array} array The array to fill.
* @param {*} value The value to fill `array` with.
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns `array`.
* @example
*
* var array = [1, 2, 3];
*
* _.fill(array, 'a');
* console.log(array);
* // => ['a', 'a', 'a']
*
* _.fill(Array(3), 2);
* // => [2, 2, 2]
*
* _.fill([4, 6, 8, 10], '*', 1, 3);
* // => [4, '*', '*', 10]
*/
function fill(array, value, start, end) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
start = 0;
end = length;
}
return baseFill(array, value, start, end);
}
/**
* This method is like `_.find` except that it returns the index of the first
* element `predicate` returns truthy for instead of the element itself.
*
* @static
* @memberOf _
* @since 1.1.0
* @category Array
* @param {Array} array The array to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the found element, else `-1`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.findIndex(users, function(o) { return o.user == 'barney'; });
* // => 0
*
* // The `_.matches` iteratee shorthand.
* _.findIndex(users, { 'user': 'fred', 'active': false });
* // => 1
*
* // The `_.matchesProperty` iteratee shorthand.
* _.findIndex(users, ['active', false]);
* // => 0
*
* // The `_.property` iteratee shorthand.
* _.findIndex(users, 'active');
* // => 2
*/
function findIndex(array, predicate, fromIndex) {
var length = array == null ? 0 : array.length;
if (!length) {
return -1;
}
var index = fromIndex == null ? 0 : toInteger(fromIndex);
if (index < 0) {
index = nativeMax(length + index, 0);
}
return baseFindIndex(array, getIteratee(predicate, 3), index);
}
/**
* This method is like `_.findIndex` except that it iterates over elements
* of `collection` from right to left.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=array.length-1] The index to search from.
* @returns {number} Returns the index of the found element, else `-1`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
* // => 2
*
* // The `_.matches` iteratee shorthand.
* _.findLastIndex(users, { 'user': 'barney', 'active': true });
* // => 0
*
* // The `_.matchesProperty` iteratee shorthand.
* _.findLastIndex(users, ['active', false]);
* // => 2
*
* // The `_.property` iteratee shorthand.
* _.findLastIndex(users, 'active');
* // => 0
*/
function findLastIndex(array, predicate, fromIndex) {
var length = array == null ? 0 : array.length;
if (!length) {
return -1;
}
var index = length - 1;
if (fromIndex !== undefined) {
index = toInteger(fromIndex);
index = fromIndex < 0
? nativeMax(length + index, 0)
: nativeMin(index, length - 1);
}
return baseFindIndex(array, getIteratee(predicate, 3), index, true);
}
/**
* Flattens `array` a single level deep.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flatten([1, [2, [3, [4]], 5]]);
* // => [1, 2, [3, [4]], 5]
*/
function flatten(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, 1) : [];
}
/**
* Recursively flattens `array`.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to flatten.
* @returns {Array} Returns the new flattened array.
* @example
*
* _.flattenDeep([1, [2, [3, [4]], 5]]);
* // => [1, 2, 3, 4, 5]
*/
function flattenDeep(array) {
var length = array == null ? 0 : array.length;
return length ? baseFlatten(array, INFINITY) : [];
}
/**
* Recursively flatten `array` up to `depth` times.
*
* @static
* @memberOf _
* @since 4.4.0
* @category Array
* @param {Array} array The array to flatten.
* @param {number} [depth=1] The maximum recursion depth.
* @returns {Array} Returns the new flattened array.
* @example
*
* var array = [1, [2, [3, [4]], 5]];
*
* _.flattenDepth(array, 1);
* // => [1, 2, [3, [4]], 5]
*
* _.flattenDepth(array, 2);
* // => [1, 2, 3, [4], 5]
*/
function flattenDepth(array, depth) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
depth = depth === undefined ? 1 : toInteger(depth);
return baseFlatten(array, depth);
}
/**
* The inverse of `_.toPairs`; this method returns an object composed
* from key-value `pairs`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} pairs The key-value pairs.
* @returns {Object} Returns the new object.
* @example
*
* _.fromPairs([['a', 1], ['b', 2]]);
* // => { 'a': 1, 'b': 2 }
*/
function fromPairs(pairs) {
var index = -1,
length = pairs == null ? 0 : pairs.length,
result = {};
while (++index < length) {
var pair = pairs[index];
result[pair[0]] = pair[1];
}
return result;
}
/**
* Gets the first element of `array`.
*
* @static
* @memberOf _
* @since 0.1.0
* @alias first
* @category Array
* @param {Array} array The array to query.
* @returns {*} Returns the first element of `array`.
* @example
*
* _.head([1, 2, 3]);
* // => 1
*
* _.head([]);
* // => undefined
*/
function head(array) {
return (array && array.length) ? array[0] : undefined;
}
/**
* Gets the index at which the first occurrence of `value` is found in `array`
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons. If `fromIndex` is negative, it's used as the
* offset from the end of `array`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.indexOf([1, 2, 1, 2], 2);
* // => 1
*
* // Search from the `fromIndex`.
* _.indexOf([1, 2, 1, 2], 2, 2);
* // => 3
*/
function indexOf(array, value, fromIndex) {
var length = array == null ? 0 : array.length;
if (!length) {
return -1;
}
var index = fromIndex == null ? 0 : toInteger(fromIndex);
if (index < 0) {
index = nativeMax(length + index, 0);
}
return baseIndexOf(array, value, index);
}
/**
* Gets all but the last element of `array`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to query.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.initial([1, 2, 3]);
* // => [1, 2]
*/
function initial(array) {
var length = array == null ? 0 : array.length;
return length ? baseSlice(array, 0, -1) : [];
}
/**
* Creates an array of unique values that are included in all given arrays
* using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons. The order and references of result values are
* determined by the first array.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @returns {Array} Returns the new array of intersecting values.
* @example
*
* _.intersection([2, 1], [2, 3]);
* // => [2]
*/
var intersection = baseRest(function(arrays) {
var mapped = arrayMap(arrays, castArrayLikeObject);
return (mapped.length && mapped[0] === arrays[0])
? baseIntersection(mapped)
: [];
});
/**
* This method is like `_.intersection` except that it accepts `iteratee`
* which is invoked for each element of each `arrays` to generate the criterion
* by which they're compared. The order and references of result values are
* determined by the first array. The iteratee is invoked with one argument:
* (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of intersecting values.
* @example
*
* _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
* // => [2.1]
*
* // The `_.property` iteratee shorthand.
* _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }]
*/
var intersectionBy = baseRest(function(arrays) {
var iteratee = last(arrays),
mapped = arrayMap(arrays, castArrayLikeObject);
if (iteratee === last(mapped)) {
iteratee = undefined;
} else {
mapped.pop();
}
return (mapped.length && mapped[0] === arrays[0])
? baseIntersection(mapped, getIteratee(iteratee, 2))
: [];
});
/**
* This method is like `_.intersection` except that it accepts `comparator`
* which is invoked to compare elements of `arrays`. The order and references
* of result values are determined by the first array. The comparator is
* invoked with two arguments: (arrVal, othVal).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of intersecting values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
* var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
*
* _.intersectionWith(objects, others, _.isEqual);
* // => [{ 'x': 1, 'y': 2 }]
*/
var intersectionWith = baseRest(function(arrays) {
var comparator = last(arrays),
mapped = arrayMap(arrays, castArrayLikeObject);
comparator = typeof comparator == 'function' ? comparator : undefined;
if (comparator) {
mapped.pop();
}
return (mapped.length && mapped[0] === arrays[0])
? baseIntersection(mapped, undefined, comparator)
: [];
});
/**
* Converts all elements in `array` into a string separated by `separator`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to convert.
* @param {string} [separator=','] The element separator.
* @returns {string} Returns the joined string.
* @example
*
* _.join(['a', 'b', 'c'], '~');
* // => 'a~b~c'
*/
function join(array, separator) {
return array == null ? '' : nativeJoin.call(array, separator);
}
/**
* Gets the last element of `array`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to query.
* @returns {*} Returns the last element of `array`.
* @example
*
* _.last([1, 2, 3]);
* // => 3
*/
function last(array) {
var length = array == null ? 0 : array.length;
return length ? array[length - 1] : undefined;
}
/**
* This method is like `_.indexOf` except that it iterates over elements of
* `array` from right to left.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=array.length-1] The index to search from.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.lastIndexOf([1, 2, 1, 2], 2);
* // => 3
*
* // Search from the `fromIndex`.
* _.lastIndexOf([1, 2, 1, 2], 2, 2);
* // => 1
*/
function lastIndexOf(array, value, fromIndex) {
var length = array == null ? 0 : array.length;
if (!length) {
return -1;
}
var index = length;
if (fromIndex !== undefined) {
index = toInteger(fromIndex);
index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
}
return value === value
? strictLastIndexOf(array, value, index)
: baseFindIndex(array, baseIsNaN, index, true);
}
/**
* Gets the element at index `n` of `array`. If `n` is negative, the nth
* element from the end is returned.
*
* @static
* @memberOf _
* @since 4.11.0
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=0] The index of the element to return.
* @returns {*} Returns the nth element of `array`.
* @example
*
* var array = ['a', 'b', 'c', 'd'];
*
* _.nth(array, 1);
* // => 'b'
*
* _.nth(array, -2);
* // => 'c';
*/
function nth(array, n) {
return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
}
/**
* Removes all given values from `array` using
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
* to remove elements from an array by predicate.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Array
* @param {Array} array The array to modify.
* @param {...*} [values] The values to remove.
* @returns {Array} Returns `array`.
* @example
*
* var array = ['a', 'b', 'c', 'a', 'b', 'c'];
*
* _.pull(array, 'a', 'c');
* console.log(array);
* // => ['b', 'b']
*/
var pull = baseRest(pullAll);
/**
* This method is like `_.pull` except that it accepts an array of values to remove.
*
* **Note:** Unlike `_.difference`, this method mutates `array`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to modify.
* @param {Array} values The values to remove.
* @returns {Array} Returns `array`.
* @example
*
* var array = ['a', 'b', 'c', 'a', 'b', 'c'];
*
* _.pullAll(array, ['a', 'c']);
* console.log(array);
* // => ['b', 'b']
*/
function pullAll(array, values) {
return (array && array.length && values && values.length)
? basePullAll(array, values)
: array;
}
/**
* This method is like `_.pullAll` except that it accepts `iteratee` which is
* invoked for each element of `array` and `values` to generate the criterion
* by which they're compared. The iteratee is invoked with one argument: (value).
*
* **Note:** Unlike `_.differenceBy`, this method mutates `array`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to modify.
* @param {Array} values The values to remove.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns `array`.
* @example
*
* var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
*
* _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
* console.log(array);
* // => [{ 'x': 2 }]
*/
function pullAllBy(array, values, iteratee) {
return (array && array.length && values && values.length)
? basePullAll(array, values, getIteratee(iteratee, 2))
: array;
}
/**
* This method is like `_.pullAll` except that it accepts `comparator` which
* is invoked to compare elements of `array` to `values`. The comparator is
* invoked with two arguments: (arrVal, othVal).
*
* **Note:** Unlike `_.differenceWith`, this method mutates `array`.
*
* @static
* @memberOf _
* @since 4.6.0
* @category Array
* @param {Array} array The array to modify.
* @param {Array} values The values to remove.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns `array`.
* @example
*
* var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
*
* _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
* console.log(array);
* // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
*/
function pullAllWith(array, values, comparator) {
return (array && array.length && values && values.length)
? basePullAll(array, values, undefined, comparator)
: array;
}
/**
* Removes elements from `array` corresponding to `indexes` and returns an
* array of removed elements.
*
* **Note:** Unlike `_.at`, this method mutates `array`.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to modify.
* @param {...(number|number[])} [indexes] The indexes of elements to remove.
* @returns {Array} Returns the new array of removed elements.
* @example
*
* var array = ['a', 'b', 'c', 'd'];
* var pulled = _.pullAt(array, [1, 3]);
*
* console.log(array);
* // => ['a', 'c']
*
* console.log(pulled);
* // => ['b', 'd']
*/
var pullAt = flatRest(function(array, indexes) {
var length = array == null ? 0 : array.length,
result = baseAt(array, indexes);
basePullAt(array, arrayMap(indexes, function(index) {
return isIndex(index, length) ? +index : index;
}).sort(compareAscending));
return result;
});
/**
* Removes all elements from `array` that `predicate` returns truthy for
* and returns an array of the removed elements. The predicate is invoked
* with three arguments: (value, index, array).
*
* **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
* to pull elements from an array by value.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Array
* @param {Array} array The array to modify.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new array of removed elements.
* @example
*
* var array = [1, 2, 3, 4];
* var evens = _.remove(array, function(n) {
* return n % 2 == 0;
* });
*
* console.log(array);
* // => [1, 3]
*
* console.log(evens);
* // => [2, 4]
*/
function remove(array, predicate) {
var result = [];
if (!(array && array.length)) {
return result;
}
var index = -1,
indexes = [],
length = array.length;
predicate = getIteratee(predicate, 3);
while (++index < length) {
var value = array[index];
if (predicate(value, index, array)) {
result.push(value);
indexes.push(index);
}
}
basePullAt(array, indexes);
return result;
}
/**
* Reverses `array` so that the first element becomes the last, the second
* element becomes the second to last, and so on.
*
* **Note:** This method mutates `array` and is based on
* [`Array#reverse`](https://mdn.io/Array/reverse).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to modify.
* @returns {Array} Returns `array`.
* @example
*
* var array = [1, 2, 3];
*
* _.reverse(array);
* // => [3, 2, 1]
*
* console.log(array);
* // => [3, 2, 1]
*/
function reverse(array) {
return array == null ? array : nativeReverse.call(array);
}
/**
* Creates a slice of `array` from `start` up to, but not including, `end`.
*
* **Note:** This method is used instead of
* [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
* returned.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to slice.
* @param {number} [start=0] The start position.
* @param {number} [end=array.length] The end position.
* @returns {Array} Returns the slice of `array`.
*/
function slice(array, start, end) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
start = 0;
end = length;
}
else {
start = start == null ? 0 : toInteger(start);
end = end === undefined ? length : toInteger(end);
}
return baseSlice(array, start, end);
}
/**
* Uses a binary search to determine the lowest index at which `value`
* should be inserted into `array` in order to maintain its sort order.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
* @example
*
* _.sortedIndex([30, 50], 40);
* // => 1
*/
function sortedIndex(array, value) {
return baseSortedIndex(array, value);
}
/**
* This method is like `_.sortedIndex` except that it accepts `iteratee`
* which is invoked for `value` and each element of `array` to compute their
* sort ranking. The iteratee is invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
* @example
*
* var objects = [{ 'x': 4 }, { 'x': 5 }];
*
* _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
* // => 0
*
* // The `_.property` iteratee shorthand.
* _.sortedIndexBy(objects, { 'x': 4 }, 'x');
* // => 0
*/
function sortedIndexBy(array, value, iteratee) {
return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
}
/**
* This method is like `_.indexOf` except that it performs a binary
* search on a sorted `array`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.sortedIndexOf([4, 5, 5, 5, 6], 5);
* // => 1
*/
function sortedIndexOf(array, value) {
var length = array == null ? 0 : array.length;
if (length) {
var index = baseSortedIndex(array, value);
if (index < length && eq(array[index], value)) {
return index;
}
}
return -1;
}
/**
* This method is like `_.sortedIndex` except that it returns the highest
* index at which `value` should be inserted into `array` in order to
* maintain its sort order.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
* @example
*
* _.sortedLastIndex([4, 5, 5, 5, 6], 5);
* // => 4
*/
function sortedLastIndex(array, value) {
return baseSortedIndex(array, value, true);
}
/**
* This method is like `_.sortedLastIndex` except that it accepts `iteratee`
* which is invoked for `value` and each element of `array` to compute their
* sort ranking. The iteratee is invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The sorted array to inspect.
* @param {*} value The value to evaluate.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {number} Returns the index at which `value` should be inserted
* into `array`.
* @example
*
* var objects = [{ 'x': 4 }, { 'x': 5 }];
*
* _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
* // => 1
*
* // The `_.property` iteratee shorthand.
* _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
* // => 1
*/
function sortedLastIndexBy(array, value, iteratee) {
return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
}
/**
* This method is like `_.lastIndexOf` except that it performs a binary
* search on a sorted `array`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {*} value The value to search for.
* @returns {number} Returns the index of the matched value, else `-1`.
* @example
*
* _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
* // => 3
*/
function sortedLastIndexOf(array, value) {
var length = array == null ? 0 : array.length;
if (length) {
var index = baseSortedIndex(array, value, true) - 1;
if (eq(array[index], value)) {
return index;
}
}
return -1;
}
/**
* This method is like `_.uniq` except that it's designed and optimized
* for sorted arrays.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @returns {Array} Returns the new duplicate free array.
* @example
*
* _.sortedUniq([1, 1, 2]);
* // => [1, 2]
*/
function sortedUniq(array) {
return (array && array.length)
? baseSortedUniq(array)
: [];
}
/**
* This method is like `_.uniqBy` except that it's designed and optimized
* for sorted arrays.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {Function} [iteratee] The iteratee invoked per element.
* @returns {Array} Returns the new duplicate free array.
* @example
*
* _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
* // => [1.1, 2.3]
*/
function sortedUniqBy(array, iteratee) {
return (array && array.length)
? baseSortedUniq(array, getIteratee(iteratee, 2))
: [];
}
/**
* Gets all but the first element of `array`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to query.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.tail([1, 2, 3]);
* // => [2, 3]
*/
function tail(array) {
var length = array == null ? 0 : array.length;
return length ? baseSlice(array, 1, length) : [];
}
/**
* Creates a slice of `array` with `n` elements taken from the beginning.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to take.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.take([1, 2, 3]);
* // => [1]
*
* _.take([1, 2, 3], 2);
* // => [1, 2]
*
* _.take([1, 2, 3], 5);
* // => [1, 2, 3]
*
* _.take([1, 2, 3], 0);
* // => []
*/
function take(array, n, guard) {
if (!(array && array.length)) {
return [];
}
n = (guard || n === undefined) ? 1 : toInteger(n);
return baseSlice(array, 0, n < 0 ? 0 : n);
}
/**
* Creates a slice of `array` with `n` elements taken from the end.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {number} [n=1] The number of elements to take.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the slice of `array`.
* @example
*
* _.takeRight([1, 2, 3]);
* // => [3]
*
* _.takeRight([1, 2, 3], 2);
* // => [2, 3]
*
* _.takeRight([1, 2, 3], 5);
* // => [1, 2, 3]
*
* _.takeRight([1, 2, 3], 0);
* // => []
*/
function takeRight(array, n, guard) {
var length = array == null ? 0 : array.length;
if (!length) {
return [];
}
n = (guard || n === undefined) ? 1 : toInteger(n);
n = length - n;
return baseSlice(array, n < 0 ? 0 : n, length);
}
/**
* Creates a slice of `array` with elements taken from the end. Elements are
* taken until `predicate` returns falsey. The predicate is invoked with
* three arguments: (value, index, array).
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the slice of `array`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': false }
* ];
*
* _.takeRightWhile(users, function(o) { return !o.active; });
* // => objects for ['fred', 'pebbles']
*
* // The `_.matches` iteratee shorthand.
* _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
* // => objects for ['pebbles']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.takeRightWhile(users, ['active', false]);
* // => objects for ['fred', 'pebbles']
*
* // The `_.property` iteratee shorthand.
* _.takeRightWhile(users, 'active');
* // => []
*/
function takeRightWhile(array, predicate) {
return (array && array.length)
? baseWhile(array, getIteratee(predicate, 3), false, true)
: [];
}
/**
* Creates a slice of `array` with elements taken from the beginning. Elements
* are taken until `predicate` returns falsey. The predicate is invoked with
* three arguments: (value, index, array).
*
* @static
* @memberOf _
* @since 3.0.0
* @category Array
* @param {Array} array The array to query.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the slice of `array`.
* @example
*
* var users = [
* { 'user': 'barney', 'active': false },
* { 'user': 'fred', 'active': false },
* { 'user': 'pebbles', 'active': true }
* ];
*
* _.takeWhile(users, function(o) { return !o.active; });
* // => objects for ['barney', 'fred']
*
* // The `_.matches` iteratee shorthand.
* _.takeWhile(users, { 'user': 'barney', 'active': false });
* // => objects for ['barney']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.takeWhile(users, ['active', false]);
* // => objects for ['barney', 'fred']
*
* // The `_.property` iteratee shorthand.
* _.takeWhile(users, 'active');
* // => []
*/
function takeWhile(array, predicate) {
return (array && array.length)
? baseWhile(array, getIteratee(predicate, 3))
: [];
}
/**
* Creates an array of unique values, in order, from all given arrays using
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @returns {Array} Returns the new array of combined values.
* @example
*
* _.union([2], [1, 2]);
* // => [2, 1]
*/
var union = baseRest(function(arrays) {
return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
});
/**
* This method is like `_.union` except that it accepts `iteratee` which is
* invoked for each element of each `arrays` to generate the criterion by
* which uniqueness is computed. Result values are chosen from the first
* array in which the value occurs. The iteratee is invoked with one argument:
* (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of combined values.
* @example
*
* _.unionBy([2.1], [1.2, 2.3], Math.floor);
* // => [2.1, 1.2]
*
* // The `_.property` iteratee shorthand.
* _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }, { 'x': 2 }]
*/
var unionBy = baseRest(function(arrays) {
var iteratee = last(arrays);
if (isArrayLikeObject(iteratee)) {
iteratee = undefined;
}
return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
});
/**
* This method is like `_.union` except that it accepts `comparator` which
* is invoked to compare elements of `arrays`. Result values are chosen from
* the first array in which the value occurs. The comparator is invoked
* with two arguments: (arrVal, othVal).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of combined values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
* var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
*
* _.unionWith(objects, others, _.isEqual);
* // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
*/
var unionWith = baseRest(function(arrays) {
var comparator = last(arrays);
comparator = typeof comparator == 'function' ? comparator : undefined;
return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
});
/**
* Creates a duplicate-free version of an array, using
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons, in which only the first occurrence of each element
* is kept. The order of result values is determined by the order they occur
* in the array.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to inspect.
* @returns {Array} Returns the new duplicate free array.
* @example
*
* _.uniq([2, 1, 2]);
* // => [2, 1]
*/
function uniq(array) {
return (array && array.length) ? baseUniq(array) : [];
}
/**
* This method is like `_.uniq` except that it accepts `iteratee` which is
* invoked for each element in `array` to generate the criterion by which
* uniqueness is computed. The order of result values is determined by the
* order they occur in the array. The iteratee is invoked with one argument:
* (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new duplicate free array.
* @example
*
* _.uniqBy([2.1, 1.2, 2.3], Math.floor);
* // => [2.1, 1.2]
*
* // The `_.property` iteratee shorthand.
* _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 1 }, { 'x': 2 }]
*/
function uniqBy(array, iteratee) {
return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
}
/**
* This method is like `_.uniq` except that it accepts `comparator` which
* is invoked to compare elements of `array`. The order of result values is
* determined by the order they occur in the array.The comparator is invoked
* with two arguments: (arrVal, othVal).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {Array} array The array to inspect.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new duplicate free array.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
*
* _.uniqWith(objects, _.isEqual);
* // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
*/
function uniqWith(array, comparator) {
comparator = typeof comparator == 'function' ? comparator : undefined;
return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
}
/**
* This method is like `_.zip` except that it accepts an array of grouped
* elements and creates an array regrouping the elements to their pre-zip
* configuration.
*
* @static
* @memberOf _
* @since 1.2.0
* @category Array
* @param {Array} array The array of grouped elements to process.
* @returns {Array} Returns the new array of regrouped elements.
* @example
*
* var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
* // => [['a', 1, true], ['b', 2, false]]
*
* _.unzip(zipped);
* // => [['a', 'b'], [1, 2], [true, false]]
*/
function unzip(array) {
if (!(array && array.length)) {
return [];
}
var length = 0;
array = arrayFilter(array, function(group) {
if (isArrayLikeObject(group)) {
length = nativeMax(group.length, length);
return true;
}
});
return baseTimes(length, function(index) {
return arrayMap(array, baseProperty(index));
});
}
/**
* This method is like `_.unzip` except that it accepts `iteratee` to specify
* how regrouped values should be combined. The iteratee is invoked with the
* elements of each group: (...group).
*
* @static
* @memberOf _
* @since 3.8.0
* @category Array
* @param {Array} array The array of grouped elements to process.
* @param {Function} [iteratee=_.identity] The function to combine
* regrouped values.
* @returns {Array} Returns the new array of regrouped elements.
* @example
*
* var zipped = _.zip([1, 2], [10, 20], [100, 200]);
* // => [[1, 10, 100], [2, 20, 200]]
*
* _.unzipWith(zipped, _.add);
* // => [3, 30, 300]
*/
function unzipWith(array, iteratee) {
if (!(array && array.length)) {
return [];
}
var result = unzip(array);
if (iteratee == null) {
return result;
}
return arrayMap(result, function(group) {
return apply(iteratee, undefined, group);
});
}
/**
* Creates an array excluding all given values using
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* for equality comparisons.
*
* **Note:** Unlike `_.pull`, this method returns a new array.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {Array} array The array to inspect.
* @param {...*} [values] The values to exclude.
* @returns {Array} Returns the new array of filtered values.
* @see _.difference, _.xor
* @example
*
* _.without([2, 1, 2, 3], 1, 2);
* // => [3]
*/
var without = baseRest(function(array, values) {
return isArrayLikeObject(array)
? baseDifference(array, values)
: [];
});
/**
* Creates an array of unique values that is the
* [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
* of the given arrays. The order of result values is determined by the order
* they occur in the arrays.
*
* @static
* @memberOf _
* @since 2.4.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @returns {Array} Returns the new array of filtered values.
* @see _.difference, _.without
* @example
*
* _.xor([2, 1], [2, 3]);
* // => [1, 3]
*/
var xor = baseRest(function(arrays) {
return baseXor(arrayFilter(arrays, isArrayLikeObject));
});
/**
* This method is like `_.xor` except that it accepts `iteratee` which is
* invoked for each element of each `arrays` to generate the criterion by
* which by which they're compared. The order of result values is determined
* by the order they occur in the arrays. The iteratee is invoked with one
* argument: (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
* // => [1.2, 3.4]
*
* // The `_.property` iteratee shorthand.
* _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
* // => [{ 'x': 2 }]
*/
var xorBy = baseRest(function(arrays) {
var iteratee = last(arrays);
if (isArrayLikeObject(iteratee)) {
iteratee = undefined;
}
return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
});
/**
* This method is like `_.xor` except that it accepts `comparator` which is
* invoked to compare elements of `arrays`. The order of result values is
* determined by the order they occur in the arrays. The comparator is invoked
* with two arguments: (arrVal, othVal).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Array
* @param {...Array} [arrays] The arrays to inspect.
* @param {Function} [comparator] The comparator invoked per element.
* @returns {Array} Returns the new array of filtered values.
* @example
*
* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
* var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
*
* _.xorWith(objects, others, _.isEqual);
* // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
*/
var xorWith = baseRest(function(arrays) {
var comparator = last(arrays);
comparator = typeof comparator == 'function' ? comparator : undefined;
return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
});
/**
* Creates an array of grouped elements, the first of which contains the
* first elements of the given arrays, the second of which contains the
* second elements of the given arrays, and so on.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Array
* @param {...Array} [arrays] The arrays to process.
* @returns {Array} Returns the new array of grouped elements.
* @example
*
* _.zip(['a', 'b'], [1, 2], [true, false]);
* // => [['a', 1, true], ['b', 2, false]]
*/
var zip = baseRest(unzip);
/**
* This method is like `_.fromPairs` except that it accepts two arrays,
* one of property identifiers and one of corresponding values.
*
* @static
* @memberOf _
* @since 0.4.0
* @category Array
* @param {Array} [props=[]] The property identifiers.
* @param {Array} [values=[]] The property values.
* @returns {Object} Returns the new object.
* @example
*
* _.zipObject(['a', 'b'], [1, 2]);
* // => { 'a': 1, 'b': 2 }
*/
function zipObject(props, values) {
return baseZipObject(props || [], values || [], assignValue);
}
/**
* This method is like `_.zipObject` except that it supports property paths.
*
* @static
* @memberOf _
* @since 4.1.0
* @category Array
* @param {Array} [props=[]] The property identifiers.
* @param {Array} [values=[]] The property values.
* @returns {Object} Returns the new object.
* @example
*
* _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
* // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
*/
function zipObjectDeep(props, values) {
return baseZipObject(props || [], values || [], baseSet);
}
/**
* This method is like `_.zip` except that it accepts `iteratee` to specify
* how grouped values should be combined. The iteratee is invoked with the
* elements of each group: (...group).
*
* @static
* @memberOf _
* @since 3.8.0
* @category Array
* @param {...Array} [arrays] The arrays to process.
* @param {Function} [iteratee=_.identity] The function to combine
* grouped values.
* @returns {Array} Returns the new array of grouped elements.
* @example
*
* _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
* return a + b + c;
* });
* // => [111, 222]
*/
var zipWith = baseRest(function(arrays) {
var length = arrays.length,
iteratee = length > 1 ? arrays[length - 1] : undefined;
iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
return unzipWith(arrays, iteratee);
});
/*------------------------------------------------------------------------*/
/**
* Creates a `lodash` wrapper instance that wraps `value` with explicit method
* chain sequences enabled. The result of such sequences must be unwrapped
* with `_#value`.
*
* @static
* @memberOf _
* @since 1.3.0
* @category Seq
* @param {*} value The value to wrap.
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'pebbles', 'age': 1 }
* ];
*
* var youngest = _
* .chain(users)
* .sortBy('age')
* .map(function(o) {
* return o.user + ' is ' + o.age;
* })
* .head()
* .value();
* // => 'pebbles is 1'
*/
function chain(value) {
var result = lodash(value);
result.__chain__ = true;
return result;
}
/**
* This method invokes `interceptor` and returns `value`. The interceptor
* is invoked with one argument; (value). The purpose of this method is to
* "tap into" a method chain sequence in order to modify intermediate results.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Seq
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns `value`.
* @example
*
* _([1, 2, 3])
* .tap(function(array) {
* // Mutate input array.
* array.pop();
* })
* .reverse()
* .value();
* // => [2, 1]
*/
function tap(value, interceptor) {
interceptor(value);
return value;
}
/**
* This method is like `_.tap` except that it returns the result of `interceptor`.
* The purpose of this method is to "pass thru" values replacing intermediate
* results in a method chain sequence.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Seq
* @param {*} value The value to provide to `interceptor`.
* @param {Function} interceptor The function to invoke.
* @returns {*} Returns the result of `interceptor`.
* @example
*
* _(' abc ')
* .chain()
* .trim()
* .thru(function(value) {
* return [value];
* })
* .value();
* // => ['abc']
*/
function thru(value, interceptor) {
return interceptor(value);
}
/**
* This method is the wrapper version of `_.at`.
*
* @name at
* @memberOf _
* @since 1.0.0
* @category Seq
* @param {...(string|string[])} [paths] The property paths to pick.
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
*
* _(object).at(['a[0].b.c', 'a[1]']).value();
* // => [3, 4]
*/
var wrapperAt = flatRest(function(paths) {
var length = paths.length,
start = length ? paths[0] : 0,
value = this.__wrapped__,
interceptor = function(object) { return baseAt(object, paths); };
if (length > 1 || this.__actions__.length ||
!(value instanceof LazyWrapper) || !isIndex(start)) {
return this.thru(interceptor);
}
value = value.slice(start, +start + (length ? 1 : 0));
value.__actions__.push({
'func': thru,
'args': [interceptor],
'thisArg': undefined
});
return new LodashWrapper(value, this.__chain__).thru(function(array) {
if (length && !array.length) {
array.push(undefined);
}
return array;
});
});
/**
* Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
*
* @name chain
* @memberOf _
* @since 0.1.0
* @category Seq
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 40 }
* ];
*
* // A sequence without explicit chaining.
* _(users).head();
* // => { 'user': 'barney', 'age': 36 }
*
* // A sequence with explicit chaining.
* _(users)
* .chain()
* .head()
* .pick('user')
* .value();
* // => { 'user': 'barney' }
*/
function wrapperChain() {
return chain(this);
}
/**
* Executes the chain sequence and returns the wrapped result.
*
* @name commit
* @memberOf _
* @since 3.2.0
* @category Seq
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* var array = [1, 2];
* var wrapped = _(array).push(3);
*
* console.log(array);
* // => [1, 2]
*
* wrapped = wrapped.commit();
* console.log(array);
* // => [1, 2, 3]
*
* wrapped.last();
* // => 3
*
* console.log(array);
* // => [1, 2, 3]
*/
function wrapperCommit() {
return new LodashWrapper(this.value(), this.__chain__);
}
/**
* Gets the next value on a wrapped object following the
* [iterator protocol](https://mdn.io/iteration_protocols#iterator).
*
* @name next
* @memberOf _
* @since 4.0.0
* @category Seq
* @returns {Object} Returns the next iterator value.
* @example
*
* var wrapped = _([1, 2]);
*
* wrapped.next();
* // => { 'done': false, 'value': 1 }
*
* wrapped.next();
* // => { 'done': false, 'value': 2 }
*
* wrapped.next();
* // => { 'done': true, 'value': undefined }
*/
function wrapperNext() {
if (this.__values__ === undefined) {
this.__values__ = toArray(this.value());
}
var done = this.__index__ >= this.__values__.length,
value = done ? undefined : this.__values__[this.__index__++];
return { 'done': done, 'value': value };
}
/**
* Enables the wrapper to be iterable.
*
* @name Symbol.iterator
* @memberOf _
* @since 4.0.0
* @category Seq
* @returns {Object} Returns the wrapper object.
* @example
*
* var wrapped = _([1, 2]);
*
* wrapped[Symbol.iterator]() === wrapped;
* // => true
*
* Array.from(wrapped);
* // => [1, 2]
*/
function wrapperToIterator() {
return this;
}
/**
* Creates a clone of the chain sequence planting `value` as the wrapped value.
*
* @name plant
* @memberOf _
* @since 3.2.0
* @category Seq
* @param {*} value The value to plant.
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* function square(n) {
* return n * n;
* }
*
* var wrapped = _([1, 2]).map(square);
* var other = wrapped.plant([3, 4]);
*
* other.value();
* // => [9, 16]
*
* wrapped.value();
* // => [1, 4]
*/
function wrapperPlant(value) {
var result,
parent = this;
while (parent instanceof baseLodash) {
var clone = wrapperClone(parent);
clone.__index__ = 0;
clone.__values__ = undefined;
if (result) {
previous.__wrapped__ = clone;
} else {
result = clone;
}
var previous = clone;
parent = parent.__wrapped__;
}
previous.__wrapped__ = value;
return result;
}
/**
* This method is the wrapper version of `_.reverse`.
*
* **Note:** This method mutates the wrapped array.
*
* @name reverse
* @memberOf _
* @since 0.1.0
* @category Seq
* @returns {Object} Returns the new `lodash` wrapper instance.
* @example
*
* var array = [1, 2, 3];
*
* _(array).reverse().value()
* // => [3, 2, 1]
*
* console.log(array);
* // => [3, 2, 1]
*/
function wrapperReverse() {
var value = this.__wrapped__;
if (value instanceof LazyWrapper) {
var wrapped = value;
if (this.__actions__.length) {
wrapped = new LazyWrapper(this);
}
wrapped = wrapped.reverse();
wrapped.__actions__.push({
'func': thru,
'args': [reverse],
'thisArg': undefined
});
return new LodashWrapper(wrapped, this.__chain__);
}
return this.thru(reverse);
}
/**
* Executes the chain sequence to resolve the unwrapped value.
*
* @name value
* @memberOf _
* @since 0.1.0
* @alias toJSON, valueOf
* @category Seq
* @returns {*} Returns the resolved unwrapped value.
* @example
*
* _([1, 2, 3]).value();
* // => [1, 2, 3]
*/
function wrapperValue() {
return baseWrapperValue(this.__wrapped__, this.__actions__);
}
/*------------------------------------------------------------------------*/
/**
* Creates an object composed of keys generated from the results of running
* each element of `collection` thru `iteratee`. The corresponding value of
* each key is the number of times the key was returned by `iteratee`. The
* iteratee is invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 0.5.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The iteratee to transform keys.
* @returns {Object} Returns the composed aggregate object.
* @example
*
* _.countBy([6.1, 4.2, 6.3], Math.floor);
* // => { '4': 1, '6': 2 }
*
* // The `_.property` iteratee shorthand.
* _.countBy(['one', 'two', 'three'], 'length');
* // => { '3': 2, '5': 1 }
*/
var countBy = createAggregator(function(result, value, key) {
if (hasOwnProperty.call(result, key)) {
++result[key];
} else {
baseAssignValue(result, key, 1);
}
});
/**
* Checks if `predicate` returns truthy for **all** elements of `collection`.
* Iteration is stopped once `predicate` returns falsey. The predicate is
* invoked with three arguments: (value, index|key, collection).
*
* **Note:** This method returns `true` for
* [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
* [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
* elements of empty collections.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if all elements pass the predicate check,
* else `false`.
* @example
*
* _.every([true, 1, null, 'yes'], Boolean);
* // => false
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
* // The `_.matches` iteratee shorthand.
* _.every(users, { 'user': 'barney', 'active': false });
* // => false
*
* // The `_.matchesProperty` iteratee shorthand.
* _.every(users, ['active', false]);
* // => true
*
* // The `_.property` iteratee shorthand.
* _.every(users, 'active');
* // => false
*/
function every(collection, predicate, guard) {
var func = isArray(collection) ? arrayEvery : baseEvery;
if (guard && isIterateeCall(collection, predicate, guard)) {
predicate = undefined;
}
return func(collection, getIteratee(predicate, 3));
}
/**
* Iterates over elements of `collection`, returning an array of all elements
* `predicate` returns truthy for. The predicate is invoked with three
* arguments: (value, index|key, collection).
*
* **Note:** Unlike `_.remove`, this method returns a new array.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
* @see _.reject
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false }
* ];
*
* _.filter(users, function(o) { return !o.active; });
* // => objects for ['fred']
*
* // The `_.matches` iteratee shorthand.
* _.filter(users, { 'age': 36, 'active': true });
* // => objects for ['barney']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.filter(users, ['active', false]);
* // => objects for ['fred']
*
* // The `_.property` iteratee shorthand.
* _.filter(users, 'active');
* // => objects for ['barney']
*
* // Combining several predicates using `_.overEvery` or `_.overSome`.
* _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
* // => objects for ['fred', 'barney']
*/
function filter(collection, predicate) {
var func = isArray(collection) ? arrayFilter : baseFilter;
return func(collection, getIteratee(predicate, 3));
}
/**
* Iterates over elements of `collection`, returning the first element
* `predicate` returns truthy for. The predicate is invoked with three
* arguments: (value, index|key, collection).
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=0] The index to search from.
* @returns {*} Returns the matched element, else `undefined`.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': true },
* { 'user': 'fred', 'age': 40, 'active': false },
* { 'user': 'pebbles', 'age': 1, 'active': true }
* ];
*
* _.find(users, function(o) { return o.age < 40; });
* // => object for 'barney'
*
* // The `_.matches` iteratee shorthand.
* _.find(users, { 'age': 1, 'active': true });
* // => object for 'pebbles'
*
* // The `_.matchesProperty` iteratee shorthand.
* _.find(users, ['active', false]);
* // => object for 'fred'
*
* // The `_.property` iteratee shorthand.
* _.find(users, 'active');
* // => object for 'barney'
*/
var find = createFind(findIndex);
/**
* This method is like `_.find` except that it iterates over elements of
* `collection` from right to left.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Collection
* @param {Array|Object} collection The collection to inspect.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param {number} [fromIndex=collection.length-1] The index to search from.
* @returns {*} Returns the matched element, else `undefined`.
* @example
*
* _.findLast([1, 2, 3, 4], function(n) {
* return n % 2 == 1;
* });
* // => 3
*/
var findLast = createFind(findLastIndex);
/**
* Creates a flattened array of values by running each element in `collection`
* thru `iteratee` and flattening the mapped results. The iteratee is invoked
* with three arguments: (value, index|key, collection).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new flattened array.
* @example
*
* function duplicate(n) {
* return [n, n];
* }
*
* _.flatMap([1, 2], duplicate);
* // => [1, 1, 2, 2]
*/
function flatMap(collection, iteratee) {
return baseFlatten(map(collection, iteratee), 1);
}
/**
* This method is like `_.flatMap` except that it recursively flattens the
* mapped results.
*
* @static
* @memberOf _
* @since 4.7.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new flattened array.
* @example
*
* function duplicate(n) {
* return [[[n, n]]];
* }
*
* _.flatMapDeep([1, 2], duplicate);
* // => [1, 1, 2, 2]
*/
function flatMapDeep(collection, iteratee) {
return baseFlatten(map(collection, iteratee), INFINITY);
}
/**
* This method is like `_.flatMap` except that it recursively flattens the
* mapped results up to `depth` times.
*
* @static
* @memberOf _
* @since 4.7.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @param {number} [depth=1] The maximum recursion depth.
* @returns {Array} Returns the new flattened array.
* @example
*
* function duplicate(n) {
* return [[[n, n]]];
* }
*
* _.flatMapDepth([1, 2], duplicate, 2);
* // => [[1, 1], [2, 2]]
*/
function flatMapDepth(collection, iteratee, depth) {
depth = depth === undefined ? 1 : toInteger(depth);
return baseFlatten(map(collection, iteratee), depth);
}
/**
* Iterates over elements of `collection` and invokes `iteratee` for each element.
* The iteratee is invoked with three arguments: (value, index|key, collection).
* Iteratee functions may exit iteration early by explicitly returning `false`.
*
* **Note:** As with other "Collections" methods, objects with a "length"
* property are iterated like arrays. To avoid this behavior use `_.forIn`
* or `_.forOwn` for object iteration.
*
* @static
* @memberOf _
* @since 0.1.0
* @alias each
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @returns {Array|Object} Returns `collection`.
* @see _.forEachRight
* @example
*
* _.forEach([1, 2], function(value) {
* console.log(value);
* });
* // => Logs `1` then `2`.
*
* _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
* console.log(key);
* });
* // => Logs 'a' then 'b' (iteration order is not guaranteed).
*/
function forEach(collection, iteratee) {
var func = isArray(collection) ? arrayEach : baseEach;
return func(collection, getIteratee(iteratee, 3));
}
/**
* This method is like `_.forEach` except that it iterates over elements of
* `collection` from right to left.
*
* @static
* @memberOf _
* @since 2.0.0
* @alias eachRight
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @returns {Array|Object} Returns `collection`.
* @see _.forEach
* @example
*
* _.forEachRight([1, 2], function(value) {
* console.log(value);
* });
* // => Logs `2` then `1`.
*/
function forEachRight(collection, iteratee) {
var func = isArray(collection) ? arrayEachRight : baseEachRight;
return func(collection, getIteratee(iteratee, 3));
}
/**
* Creates an object composed of keys generated from the results of running
* each element of `collection` thru `iteratee`. The order of grouped values
* is determined by the order they occur in `collection`. The corresponding
* value of each key is an array of elements responsible for generating the
* key. The iteratee is invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The iteratee to transform keys.
* @returns {Object} Returns the composed aggregate object.
* @example
*
* _.groupBy([6.1, 4.2, 6.3], Math.floor);
* // => { '4': [4.2], '6': [6.1, 6.3] }
*
* // The `_.property` iteratee shorthand.
* _.groupBy(['one', 'two', 'three'], 'length');
* // => { '3': ['one', 'two'], '5': ['three'] }
*/
var groupBy = createAggregator(function(result, value, key) {
if (hasOwnProperty.call(result, key)) {
result[key].push(value);
} else {
baseAssignValue(result, key, [value]);
}
});
/**
* Checks if `value` is in `collection`. If `collection` is a string, it's
* checked for a substring of `value`, otherwise
* [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
* is used for equality comparisons. If `fromIndex` is negative, it's used as
* the offset from the end of `collection`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @param {*} value The value to search for.
* @param {number} [fromIndex=0] The index to search from.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
* @returns {boolean} Returns `true` if `value` is found, else `false`.
* @example
*
* _.includes([1, 2, 3], 1);
* // => true
*
* _.includes([1, 2, 3], 1, 2);
* // => false
*
* _.includes({ 'a': 1, 'b': 2 }, 1);
* // => true
*
* _.includes('abcd', 'bc');
* // => true
*/
function includes(collection, value, fromIndex, guard) {
collection = isArrayLike(collection) ? collection : values(collection);
fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
var length = collection.length;
if (fromIndex < 0) {
fromIndex = nativeMax(length + fromIndex, 0);
}
return isString(collection)
? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
: (!!length && baseIndexOf(collection, value, fromIndex) > -1);
}
/**
* Invokes the method at `path` of each element in `collection`, returning
* an array of the results of each invoked method. Any additional arguments
* are provided to each invoked method. If `path` is a function, it's invoked
* for, and `this` bound to, each element in `collection`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Array|Function|string} path The path of the method to invoke or
* the function invoked per iteration.
* @param {...*} [args] The arguments to invoke each method with.
* @returns {Array} Returns the array of results.
* @example
*
* _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
* // => [[1, 5, 7], [1, 2, 3]]
*
* _.invokeMap([123, 456], String.prototype.split, '');
* // => [['1', '2', '3'], ['4', '5', '6']]
*/
var invokeMap = baseRest(function(collection, path, args) {
var index = -1,
isFunc = typeof path == 'function',
result = isArrayLike(collection) ? Array(collection.length) : [];
baseEach(collection, function(value) {
result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
});
return result;
});
/**
* Creates an object composed of keys generated from the results of running
* each element of `collection` thru `iteratee`. The corresponding value of
* each key is the last element responsible for generating the key. The
* iteratee is invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The iteratee to transform keys.
* @returns {Object} Returns the composed aggregate object.
* @example
*
* var array = [
* { 'dir': 'left', 'code': 97 },
* { 'dir': 'right', 'code': 100 }
* ];
*
* _.keyBy(array, function(o) {
* return String.fromCharCode(o.code);
* });
* // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
*
* _.keyBy(array, 'dir');
* // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
*/
var keyBy = createAggregator(function(result, value, key) {
baseAssignValue(result, key, value);
});
/**
* Creates an array of values by running each element in `collection` thru
* `iteratee`. The iteratee is invoked with three arguments:
* (value, index|key, collection).
*
* Many lodash methods are guarded to work as iteratees for methods like
* `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
*
* The guarded methods are:
* `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
* `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
* `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
* `template`, `trim`, `trimEnd`, `trimStart`, and `words`
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new mapped array.
* @example
*
* function square(n) {
* return n * n;
* }
*
* _.map([4, 8], square);
* // => [16, 64]
*
* _.map({ 'a': 4, 'b': 8 }, square);
* // => [16, 64] (iteration order is not guaranteed)
*
* var users = [
* { 'user': 'barney' },
* { 'user': 'fred' }
* ];
*
* // The `_.property` iteratee shorthand.
* _.map(users, 'user');
* // => ['barney', 'fred']
*/
function map(collection, iteratee) {
var func = isArray(collection) ? arrayMap : baseMap;
return func(collection, getIteratee(iteratee, 3));
}
/**
* This method is like `_.sortBy` except that it allows specifying the sort
* orders of the iteratees to sort by. If `orders` is unspecified, all values
* are sorted in ascending order. Otherwise, specify an order of "desc" for
* descending or "asc" for ascending sort order of corresponding values.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
* The iteratees to sort by.
* @param {string[]} [orders] The sort orders of `iteratees`.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
* @returns {Array} Returns the new sorted array.
* @example
*
* var users = [
* { 'user': 'fred', 'age': 48 },
* { 'user': 'barney', 'age': 34 },
* { 'user': 'fred', 'age': 40 },
* { 'user': 'barney', 'age': 36 }
* ];
*
* // Sort by `user` in ascending order and by `age` in descending order.
* _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
* // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
*/
function orderBy(collection, iteratees, orders, guard) {
if (collection == null) {
return [];
}
if (!isArray(iteratees)) {
iteratees = iteratees == null ? [] : [iteratees];
}
orders = guard ? undefined : orders;
if (!isArray(orders)) {
orders = orders == null ? [] : [orders];
}
return baseOrderBy(collection, iteratees, orders);
}
/**
* Creates an array of elements split into two groups, the first of which
* contains elements `predicate` returns truthy for, the second of which
* contains elements `predicate` returns falsey for. The predicate is
* invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 3.0.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the array of grouped elements.
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': true },
* { 'user': 'pebbles', 'age': 1, 'active': false }
* ];
*
* _.partition(users, function(o) { return o.active; });
* // => objects for [['fred'], ['barney', 'pebbles']]
*
* // The `_.matches` iteratee shorthand.
* _.partition(users, { 'age': 1, 'active': false });
* // => objects for [['pebbles'], ['barney', 'fred']]
*
* // The `_.matchesProperty` iteratee shorthand.
* _.partition(users, ['active', false]);
* // => objects for [['barney', 'pebbles'], ['fred']]
*
* // The `_.property` iteratee shorthand.
* _.partition(users, 'active');
* // => objects for [['fred'], ['barney', 'pebbles']]
*/
var partition = createAggregator(function(result, value, key) {
result[key ? 0 : 1].push(value);
}, function() { return [[], []]; });
/**
* Reduces `collection` to a value which is the accumulated result of running
* each element in `collection` thru `iteratee`, where each successive
* invocation is supplied the return value of the previous. If `accumulator`
* is not given, the first element of `collection` is used as the initial
* value. The iteratee is invoked with four arguments:
* (accumulator, value, index|key, collection).
*
* Many lodash methods are guarded to work as iteratees for methods like
* `_.reduce`, `_.reduceRight`, and `_.transform`.
*
* The guarded methods are:
* `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
* and `sortBy`
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @param {*} [accumulator] The initial value.
* @returns {*} Returns the accumulated value.
* @see _.reduceRight
* @example
*
* _.reduce([1, 2], function(sum, n) {
* return sum + n;
* }, 0);
* // => 3
*
* _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
* (result[value] || (result[value] = [])).push(key);
* return result;
* }, {});
* // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
*/
function reduce(collection, iteratee, accumulator) {
var func = isArray(collection) ? arrayReduce : baseReduce,
initAccum = arguments.length < 3;
return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
}
/**
* This method is like `_.reduce` except that it iterates over elements of
* `collection` from right to left.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
* @param {*} [accumulator] The initial value.
* @returns {*} Returns the accumulated value.
* @see _.reduce
* @example
*
* var array = [[0, 1], [2, 3], [4, 5]];
*
* _.reduceRight(array, function(flattened, other) {
* return flattened.concat(other);
* }, []);
* // => [4, 5, 2, 3, 0, 1]
*/
function reduceRight(collection, iteratee, accumulator) {
var func = isArray(collection) ? arrayReduceRight : baseReduce,
initAccum = arguments.length < 3;
return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
}
/**
* The opposite of `_.filter`; this method returns the elements of `collection`
* that `predicate` does **not** return truthy for.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @returns {Array} Returns the new filtered array.
* @see _.filter
* @example
*
* var users = [
* { 'user': 'barney', 'age': 36, 'active': false },
* { 'user': 'fred', 'age': 40, 'active': true }
* ];
*
* _.reject(users, function(o) { return !o.active; });
* // => objects for ['fred']
*
* // The `_.matches` iteratee shorthand.
* _.reject(users, { 'age': 40, 'active': true });
* // => objects for ['barney']
*
* // The `_.matchesProperty` iteratee shorthand.
* _.reject(users, ['active', false]);
* // => objects for ['fred']
*
* // The `_.property` iteratee shorthand.
* _.reject(users, 'active');
* // => objects for ['barney']
*/
function reject(collection, predicate) {
var func = isArray(collection) ? arrayFilter : baseFilter;
return func(collection, negate(getIteratee(predicate, 3)));
}
/**
* Gets a random element from `collection`.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Collection
* @param {Array|Object} collection The collection to sample.
* @returns {*} Returns the random element.
* @example
*
* _.sample([1, 2, 3, 4]);
* // => 2
*/
function sample(collection) {
var func = isArray(collection) ? arraySample : baseSample;
return func(collection);
}
/**
* Gets `n` random elements at unique keys from `collection` up to the
* size of `collection`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Collection
* @param {Array|Object} collection The collection to sample.
* @param {number} [n=1] The number of elements to sample.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Array} Returns the random elements.
* @example
*
* _.sampleSize([1, 2, 3], 2);
* // => [3, 1]
*
* _.sampleSize([1, 2, 3], 4);
* // => [2, 3, 1]
*/
function sampleSize(collection, n, guard) {
if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
n = 1;
} else {
n = toInteger(n);
}
var func = isArray(collection) ? arraySampleSize : baseSampleSize;
return func(collection, n);
}
/**
* Creates an array of shuffled values, using a version of the
* [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to shuffle.
* @returns {Array} Returns the new shuffled array.
* @example
*
* _.shuffle([1, 2, 3, 4]);
* // => [4, 1, 3, 2]
*/
function shuffle(collection) {
var func = isArray(collection) ? arrayShuffle : baseShuffle;
return func(collection);
}
/**
* Gets the size of `collection` by returning its length for array-like
* values or the number of own enumerable string keyed properties for objects.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object|string} collection The collection to inspect.
* @returns {number} Returns the collection size.
* @example
*
* _.size([1, 2, 3]);
* // => 3
*
* _.size({ 'a': 1, 'b': 2 });
* // => 2
*
* _.size('pebbles');
* // => 7
*/
function size(collection) {
if (collection == null) {
return 0;
}
if (isArrayLike(collection)) {
return isString(collection) ? stringSize(collection) : collection.length;
}
var tag = getTag(collection);
if (tag == mapTag || tag == setTag) {
return collection.size;
}
return baseKeys(collection).length;
}
/**
* Checks if `predicate` returns truthy for **any** element of `collection`.
* Iteration is stopped once `predicate` returns truthy. The predicate is
* invoked with three arguments: (value, index|key, collection).
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {Function} [predicate=_.identity] The function invoked per iteration.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {boolean} Returns `true` if any element passes the predicate check,
* else `false`.
* @example
*
* _.some([null, 0, 'yes', false], Boolean);
* // => true
*
* var users = [
* { 'user': 'barney', 'active': true },
* { 'user': 'fred', 'active': false }
* ];
*
* // The `_.matches` iteratee shorthand.
* _.some(users, { 'user': 'barney', 'active': false });
* // => false
*
* // The `_.matchesProperty` iteratee shorthand.
* _.some(users, ['active', false]);
* // => true
*
* // The `_.property` iteratee shorthand.
* _.some(users, 'active');
* // => true
*/
function some(collection, predicate, guard) {
var func = isArray(collection) ? arraySome : baseSome;
if (guard && isIterateeCall(collection, predicate, guard)) {
predicate = undefined;
}
return func(collection, getIteratee(predicate, 3));
}
/**
* Creates an array of elements, sorted in ascending order by the results of
* running each element in a collection thru each iteratee. This method
* performs a stable sort, that is, it preserves the original sort order of
* equal elements. The iteratees are invoked with one argument: (value).
*
* @static
* @memberOf _
* @since 0.1.0
* @category Collection
* @param {Array|Object} collection The collection to iterate over.
* @param {...(Function|Function[])} [iteratees=[_.identity]]
* The iteratees to sort by.
* @returns {Array} Returns the new sorted array.
* @example
*
* var users = [
* { 'user': 'fred', 'age': 48 },
* { 'user': 'barney', 'age': 36 },
* { 'user': 'fred', 'age': 30 },
* { 'user': 'barney', 'age': 34 }
* ];
*
* _.sortBy(users, [function(o) { return o.user; }]);
* // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
*
* _.sortBy(users, ['user', 'age']);
* // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
*/
var sortBy = baseRest(function(collection, iteratees) {
if (collection == null) {
return [];
}
var length = iteratees.length;
if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
iteratees = [];
} else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
iteratees = [iteratees[0]];
}
return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
});
/*------------------------------------------------------------------------*/
/**
* Gets the timestamp of the number of milliseconds that have elapsed since
* the Unix epoch (1 January 1970 00:00:00 UTC).
*
* @static
* @memberOf _
* @since 2.4.0
* @category Date
* @returns {number} Returns the timestamp.
* @example
*
* _.defer(function(stamp) {
* console.log(_.now() - stamp);
* }, _.now());
* // => Logs the number of milliseconds it took for the deferred invocation.
*/
var now = ctxNow || function() {
return root.Date.now();
};
/*------------------------------------------------------------------------*/
/**
* The opposite of `_.before`; this method creates a function that invokes
* `func` once it's called `n` or more times.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {number} n The number of calls before `func` is invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var saves = ['profile', 'settings'];
*
* var done = _.after(saves.length, function() {
* console.log('done saving!');
* });
*
* _.forEach(saves, function(type) {
* asyncSave({ 'type': type, 'complete': done });
* });
* // => Logs 'done saving!' after the two async saves have completed.
*/
function after(n, func) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
n = toInteger(n);
return function() {
if (--n < 1) {
return func.apply(this, arguments);
}
};
}
/**
* Creates a function that invokes `func`, with up to `n` arguments,
* ignoring any additional arguments.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {Function} func The function to cap arguments for.
* @param {number} [n=func.length] The arity cap.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.ary(parseInt, 1));
* // => [6, 8, 10]
*/
function ary(func, n, guard) {
n = guard ? undefined : n;
n = (func && n == null) ? func.length : n;
return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
}
/**
* Creates a function that invokes `func`, with the `this` binding and arguments
* of the created function, while it's called less than `n` times. Subsequent
* calls to the created function return the result of the last `func` invocation.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {number} n The number of calls at which `func` is no longer invoked.
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* jQuery(element).on('click', _.before(5, addContactToList));
* // => Allows adding up to 4 contacts to the list.
*/
function before(n, func) {
var result;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
n = toInteger(n);
return function() {
if (--n > 0) {
result = func.apply(this, arguments);
}
if (n <= 1) {
func = undefined;
}
return result;
};
}
/**
* Creates a function that invokes `func` with the `this` binding of `thisArg`
* and `partials` prepended to the arguments it receives.
*
* The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
* may be used as a placeholder for partially applied arguments.
*
* **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
* property of bound functions.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to bind.
* @param {*} thisArg The `this` binding of `func`.
* @param {...*} [partials] The arguments to be partially applied.
* @returns {Function} Returns the new bound function.
* @example
*
* function greet(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
*
* var object = { 'user': 'fred' };
*
* var bound = _.bind(greet, object, 'hi');
* bound('!');
* // => 'hi fred!'
*
* // Bound with placeholders.
* var bound = _.bind(greet, object, _, '!');
* bound('hi');
* // => 'hi fred!'
*/
var bind = baseRest(function(func, thisArg, partials) {
var bitmask = WRAP_BIND_FLAG;
if (partials.length) {
var holders = replaceHolders(partials, getHolder(bind));
bitmask |= WRAP_PARTIAL_FLAG;
}
return createWrap(func, bitmask, thisArg, partials, holders);
});
/**
* Creates a function that invokes the method at `object[key]` with `partials`
* prepended to the arguments it receives.
*
* This method differs from `_.bind` by allowing bound functions to reference
* methods that may be redefined or don't yet exist. See
* [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
* for more details.
*
* The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
* builds, may be used as a placeholder for partially applied arguments.
*
* @static
* @memberOf _
* @since 0.10.0
* @category Function
* @param {Object} object The object to invoke the method on.
* @param {string} key The key of the method.
* @param {...*} [partials] The arguments to be partially applied.
* @returns {Function} Returns the new bound function.
* @example
*
* var object = {
* 'user': 'fred',
* 'greet': function(greeting, punctuation) {
* return greeting + ' ' + this.user + punctuation;
* }
* };
*
* var bound = _.bindKey(object, 'greet', 'hi');
* bound('!');
* // => 'hi fred!'
*
* object.greet = function(greeting, punctuation) {
* return greeting + 'ya ' + this.user + punctuation;
* };
*
* bound('!');
* // => 'hiya fred!'
*
* // Bound with placeholders.
* var bound = _.bindKey(object, 'greet', _, '!');
* bound('hi');
* // => 'hiya fred!'
*/
var bindKey = baseRest(function(object, key, partials) {
var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
if (partials.length) {
var holders = replaceHolders(partials, getHolder(bindKey));
bitmask |= WRAP_PARTIAL_FLAG;
}
return createWrap(key, bitmask, object, partials, holders);
});
/**
* Creates a function that accepts arguments of `func` and either invokes
* `func` returning its result, if at least `arity` number of arguments have
* been provided, or returns a function that accepts the remaining `func`
* arguments, and so on. The arity of `func` may be specified if `func.length`
* is not sufficient.
*
* The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
* may be used as a placeholder for provided arguments.
*
* **Note:** This method doesn't set the "length" property of curried functions.
*
* @static
* @memberOf _
* @since 2.0.0
* @category Function
* @param {Function} func The function to curry.
* @param {number} [arity=func.length] The arity of `func`.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curry(abc);
*
* curried(1)(2)(3);
* // => [1, 2, 3]
*
* curried(1, 2)(3);
* // => [1, 2, 3]
*
* curried(1, 2, 3);
* // => [1, 2, 3]
*
* // Curried with placeholders.
* curried(1)(_, 3)(2);
* // => [1, 2, 3]
*/
function curry(func, arity, guard) {
arity = guard ? undefined : arity;
var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
result.placeholder = curry.placeholder;
return result;
}
/**
* This method is like `_.curry` except that arguments are applied to `func`
* in the manner of `_.partialRight` instead of `_.partial`.
*
* The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
* builds, may be used as a placeholder for provided arguments.
*
* **Note:** This method doesn't set the "length" property of curried functions.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {Function} func The function to curry.
* @param {number} [arity=func.length] The arity of `func`.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {Function} Returns the new curried function.
* @example
*
* var abc = function(a, b, c) {
* return [a, b, c];
* };
*
* var curried = _.curryRight(abc);
*
* curried(3)(2)(1);
* // => [1, 2, 3]
*
* curried(2, 3)(1);
* // => [1, 2, 3]
*
* curried(1, 2, 3);
* // => [1, 2, 3]
*
* // Curried with placeholders.
* curried(3)(1, _)(2);
* // => [1, 2, 3]
*/
function curryRight(func, arity, guard) {
arity = guard ? undefined : arity;
var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
result.placeholder = curryRight.placeholder;
return result;
}
/**
* Creates a debounced function that delays invoking `func` until after `wait`
* milliseconds have elapsed since the last time the debounced function was
* invoked. The debounced function comes with a `cancel` method to cancel
* delayed `func` invocations and a `flush` method to immediately invoke them.
* Provide `options` to indicate whether `func` should be invoked on the
* leading and/or trailing edge of the `wait` timeout. The `func` is invoked
* with the last arguments provided to the debounced function. Subsequent
* calls to the debounced function return the result of the last `func`
* invocation.
*
* **Note:** If `leading` and `trailing` options are `true`, `func` is
* invoked on the trailing edge of the timeout only if the debounced function
* is invoked more than once during the `wait` timeout.
*
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
*
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
* for details over the differences between `_.debounce` and `_.throttle`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to debounce.
* @param {number} [wait=0] The number of milliseconds to delay.
* @param {Object} [options={}] The options object.
* @param {boolean} [options.leading=false]
* Specify invoking on the leading edge of the timeout.
* @param {number} [options.maxWait]
* The maximum time `func` is allowed to be delayed before it's invoked.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new debounced function.
* @example
*
* // Avoid costly calculations while the window size is in flux.
* jQuery(window).on('resize', _.debounce(calculateLayout, 150));
*
* // Invoke `sendMail` when clicked, debouncing subsequent calls.
* jQuery(element).on('click', _.debounce(sendMail, 300, {
* 'leading': true,
* 'trailing': false
* }));
*
* // Ensure `batchLog` is invoked once after 1 second of debounced calls.
* var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
* var source = new EventSource('/stream');
* jQuery(source).on('message', debounced);
*
* // Cancel the trailing debounced invocation.
* jQuery(window).on('popstate', debounced.cancel);
*/
function debounce(func, wait, options) {
var lastArgs,
lastThis,
maxWait,
result,
timerId,
lastCallTime,
lastInvokeTime = 0,
leading = false,
maxing = false,
trailing = true;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
wait = toNumber(wait) || 0;
if (isObject(options)) {
leading = !!options.leading;
maxing = 'maxWait' in options;
maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}
function invokeFunc(time) {
var args = lastArgs,
thisArg = lastThis;
lastArgs = lastThis = undefined;
lastInvokeTime = time;
result = func.apply(thisArg, args);
return result;
}
function leadingEdge(time) {
// Reset any `maxWait` timer.
lastInvokeTime = time;
// Start the timer for the trailing edge.
timerId = setTimeout(timerExpired, wait);
// Invoke the leading edge.
return leading ? invokeFunc(time) : result;
}
function remainingWait(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime,
timeWaiting = wait - timeSinceLastCall;
return maxing
? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
: timeWaiting;
}
function shouldInvoke(time) {
var timeSinceLastCall = time - lastCallTime,
timeSinceLastInvoke = time - lastInvokeTime;
// Either this is the first call, activity has stopped and we're at the
// trailing edge, the system time has gone backwards and we're treating
// it as the trailing edge, or we've hit the `maxWait` limit.
return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
(timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
}
function timerExpired() {
var time = now();
if (shouldInvoke(time)) {
return trailingEdge(time);
}
// Restart the timer.
timerId = setTimeout(timerExpired, remainingWait(time));
}
function trailingEdge(time) {
timerId = undefined;
// Only invoke if we have `lastArgs` which means `func` has been
// debounced at least once.
if (trailing && lastArgs) {
return invokeFunc(time);
}
lastArgs = lastThis = undefined;
return result;
}
function cancel() {
if (timerId !== undefined) {
clearTimeout(timerId);
}
lastInvokeTime = 0;
lastArgs = lastCallTime = lastThis = timerId = undefined;
}
function flush() {
return timerId === undefined ? result : trailingEdge(now());
}
function debounced() {
var time = now(),
isInvoking = shouldInvoke(time);
lastArgs = arguments;
lastThis = this;
lastCallTime = time;
if (isInvoking) {
if (timerId === undefined) {
return leadingEdge(lastCallTime);
}
if (maxing) {
// Handle invocations in a tight loop.
clearTimeout(timerId);
timerId = setTimeout(timerExpired, wait);
return invokeFunc(lastCallTime);
}
}
if (timerId === undefined) {
timerId = setTimeout(timerExpired, wait);
}
return result;
}
debounced.cancel = cancel;
debounced.flush = flush;
return debounced;
}
/**
* Defers invoking the `func` until the current call stack has cleared. Any
* additional arguments are provided to `func` when it's invoked.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to defer.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.defer(function(text) {
* console.log(text);
* }, 'deferred');
* // => Logs 'deferred' after one millisecond.
*/
var defer = baseRest(function(func, args) {
return baseDelay(func, 1, args);
});
/**
* Invokes `func` after `wait` milliseconds. Any additional arguments are
* provided to `func` when it's invoked.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to delay.
* @param {number} wait The number of milliseconds to delay invocation.
* @param {...*} [args] The arguments to invoke `func` with.
* @returns {number} Returns the timer id.
* @example
*
* _.delay(function(text) {
* console.log(text);
* }, 1000, 'later');
* // => Logs 'later' after one second.
*/
var delay = baseRest(function(func, wait, args) {
return baseDelay(func, toNumber(wait) || 0, args);
});
/**
* Creates a function that invokes `func` with arguments reversed.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Function
* @param {Function} func The function to flip arguments for.
* @returns {Function} Returns the new flipped function.
* @example
*
* var flipped = _.flip(function() {
* return _.toArray(arguments);
* });
*
* flipped('a', 'b', 'c', 'd');
* // => ['d', 'c', 'b', 'a']
*/
function flip(func) {
return createWrap(func, WRAP_FLIP_FLAG);
}
/**
* Creates a function that memoizes the result of `func`. If `resolver` is
* provided, it determines the cache key for storing the result based on the
* arguments provided to the memoized function. By default, the first argument
* provided to the memoized function is used as the map cache key. The `func`
* is invoked with the `this` binding of the memoized function.
*
* **Note:** The cache is exposed as the `cache` property on the memoized
* function. Its creation may be customized by replacing the `_.memoize.Cache`
* constructor with one whose instances implement the
* [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
* method interface of `clear`, `delete`, `get`, `has`, and `set`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to have its output memoized.
* @param {Function} [resolver] The function to resolve the cache key.
* @returns {Function} Returns the new memoized function.
* @example
*
* var object = { 'a': 1, 'b': 2 };
* var other = { 'c': 3, 'd': 4 };
*
* var values = _.memoize(_.values);
* values(object);
* // => [1, 2]
*
* values(other);
* // => [3, 4]
*
* object.a = 2;
* values(object);
* // => [1, 2]
*
* // Modify the result cache.
* values.cache.set(object, ['a', 'b']);
* values(object);
* // => ['a', 'b']
*
* // Replace `_.memoize.Cache`.
* _.memoize.Cache = WeakMap;
*/
function memoize(func, resolver) {
if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
throw new TypeError(FUNC_ERROR_TEXT);
}
var memoized = function() {
var args = arguments,
key = resolver ? resolver.apply(this, args) : args[0],
cache = memoized.cache;
if (cache.has(key)) {
return cache.get(key);
}
var result = func.apply(this, args);
memoized.cache = cache.set(key, result) || cache;
return result;
};
memoized.cache = new (memoize.Cache || MapCache);
return memoized;
}
// Expose `MapCache`.
memoize.Cache = MapCache;
/**
* Creates a function that negates the result of the predicate `func`. The
* `func` predicate is invoked with the `this` binding and arguments of the
* created function.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {Function} predicate The predicate to negate.
* @returns {Function} Returns the new negated function.
* @example
*
* function isEven(n) {
* return n % 2 == 0;
* }
*
* _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
* // => [1, 3, 5]
*/
function negate(predicate) {
if (typeof predicate != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
return function() {
var args = arguments;
switch (args.length) {
case 0: return !predicate.call(this);
case 1: return !predicate.call(this, args[0]);
case 2: return !predicate.call(this, args[0], args[1]);
case 3: return !predicate.call(this, args[0], args[1], args[2]);
}
return !predicate.apply(this, args);
};
}
/**
* Creates a function that is restricted to invoking `func` once. Repeat calls
* to the function return the value of the first invocation. The `func` is
* invoked with the `this` binding and arguments of the created function.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to restrict.
* @returns {Function} Returns the new restricted function.
* @example
*
* var initialize = _.once(createApplication);
* initialize();
* initialize();
* // => `createApplication` is invoked once
*/
function once(func) {
return before(2, func);
}
/**
* Creates a function that invokes `func` with its arguments transformed.
*
* @static
* @since 4.0.0
* @memberOf _
* @category Function
* @param {Function} func The function to wrap.
* @param {...(Function|Function[])} [transforms=[_.identity]]
* The argument transforms.
* @returns {Function} Returns the new function.
* @example
*
* function doubled(n) {
* return n * 2;
* }
*
* function square(n) {
* return n * n;
* }
*
* var func = _.overArgs(function(x, y) {
* return [x, y];
* }, [square, doubled]);
*
* func(9, 3);
* // => [81, 6]
*
* func(10, 5);
* // => [100, 10]
*/
var overArgs = castRest(function(func, transforms) {
transforms = (transforms.length == 1 && isArray(transforms[0]))
? arrayMap(transforms[0], baseUnary(getIteratee()))
: arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
var funcsLength = transforms.length;
return baseRest(function(args) {
var index = -1,
length = nativeMin(args.length, funcsLength);
while (++index < length) {
args[index] = transforms[index].call(this, args[index]);
}
return apply(func, this, args);
});
});
/**
* Creates a function that invokes `func` with `partials` prepended to the
* arguments it receives. This method is like `_.bind` except it does **not**
* alter the `this` binding.
*
* The `_.partial.placeholder` value, which defaults to `_` in monolithic
* builds, may be used as a placeholder for partially applied arguments.
*
* **Note:** This method doesn't set the "length" property of partially
* applied functions.
*
* @static
* @memberOf _
* @since 0.2.0
* @category Function
* @param {Function} func The function to partially apply arguments to.
* @param {...*} [partials] The arguments to be partially applied.
* @returns {Function} Returns the new partially applied function.
* @example
*
* function greet(greeting, name) {
* return greeting + ' ' + name;
* }
*
* var sayHelloTo = _.partial(greet, 'hello');
* sayHelloTo('fred');
* // => 'hello fred'
*
* // Partially applied with placeholders.
* var greetFred = _.partial(greet, _, 'fred');
* greetFred('hi');
* // => 'hi fred'
*/
var partial = baseRest(function(func, partials) {
var holders = replaceHolders(partials, getHolder(partial));
return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
});
/**
* This method is like `_.partial` except that partially applied arguments
* are appended to the arguments it receives.
*
* The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
* builds, may be used as a placeholder for partially applied arguments.
*
* **Note:** This method doesn't set the "length" property of partially
* applied functions.
*
* @static
* @memberOf _
* @since 1.0.0
* @category Function
* @param {Function} func The function to partially apply arguments to.
* @param {...*} [partials] The arguments to be partially applied.
* @returns {Function} Returns the new partially applied function.
* @example
*
* function greet(greeting, name) {
* return greeting + ' ' + name;
* }
*
* var greetFred = _.partialRight(greet, 'fred');
* greetFred('hi');
* // => 'hi fred'
*
* // Partially applied with placeholders.
* var sayHelloTo = _.partialRight(greet, 'hello', _);
* sayHelloTo('fred');
* // => 'hello fred'
*/
var partialRight = baseRest(function(func, partials) {
var holders = replaceHolders(partials, getHolder(partialRight));
return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
});
/**
* Creates a function that invokes `func` with arguments arranged according
* to the specified `indexes` where the argument value at the first index is
* provided as the first argument, the argument value at the second index is
* provided as the second argument, and so on.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Function
* @param {Function} func The function to rearrange arguments for.
* @param {...(number|number[])} indexes The arranged argument indexes.
* @returns {Function} Returns the new function.
* @example
*
* var rearged = _.rearg(function(a, b, c) {
* return [a, b, c];
* }, [2, 0, 1]);
*
* rearged('b', 'c', 'a')
* // => ['a', 'b', 'c']
*/
var rearg = flatRest(function(func, indexes) {
return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
});
/**
* Creates a function that invokes `func` with the `this` binding of the
* created function and arguments from `start` and beyond provided as
* an array.
*
* **Note:** This method is based on the
* [rest parameter](https://mdn.io/rest_parameters).
*
* @static
* @memberOf _
* @since 4.0.0
* @category Function
* @param {Function} func The function to apply a rest parameter to.
* @param {number} [start=func.length-1] The start position of the rest parameter.
* @returns {Function} Returns the new function.
* @example
*
* var say = _.rest(function(what, names) {
* return what + ' ' + _.initial(names).join(', ') +
* (_.size(names) > 1 ? ', & ' : '') + _.last(names);
* });
*
* say('hello', 'fred', 'barney', 'pebbles');
* // => 'hello fred, barney, & pebbles'
*/
function rest(func, start) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
start = start === undefined ? start : toInteger(start);
return baseRest(func, start);
}
/**
* Creates a function that invokes `func` with the `this` binding of the
* create function and an array of arguments much like
* [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
*
* **Note:** This method is based on the
* [spread operator](https://mdn.io/spread_operator).
*
* @static
* @memberOf _
* @since 3.2.0
* @category Function
* @param {Function} func The function to spread arguments over.
* @param {number} [start=0] The start position of the spread.
* @returns {Function} Returns the new function.
* @example
*
* var say = _.spread(function(who, what) {
* return who + ' says ' + what;
* });
*
* say(['fred', 'hello']);
* // => 'fred says hello'
*
* var numbers = Promise.all([
* Promise.resolve(40),
* Promise.resolve(36)
* ]);
*
* numbers.then(_.spread(function(x, y) {
* return x + y;
* }));
* // => a Promise of 76
*/
function spread(func, start) {
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
start = start == null ? 0 : nativeMax(toInteger(start), 0);
return baseRest(function(args) {
var array = args[start],
otherArgs = castSlice(args, 0, start);
if (array) {
arrayPush(otherArgs, array);
}
return apply(func, this, otherArgs);
});
}
/**
* Creates a throttled function that only invokes `func` at most once per
* every `wait` milliseconds. The throttled function comes with a `cancel`
* method to cancel delayed `func` invocations and a `flush` method to
* immediately invoke them. Provide `options` to indicate whether `func`
* should be invoked on the leading and/or trailing edge of the `wait`
* timeout. The `func` is invoked with the last arguments provided to the
* throttled function. Subsequent calls to the throttled function return the
* result of the last `func` invocation.
*
* **Note:** If `leading` and `trailing` options are `true`, `func` is
* invoked on the trailing edge of the timeout only if the throttled function
* is invoked more than once during the `wait` timeout.
*
* If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
* until to the next tick, similar to `setTimeout` with a timeout of `0`.
*
* See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
* for details over the differences between `_.throttle` and `_.debounce`.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {Function} func The function to throttle.
* @param {number} [wait=0] The number of milliseconds to throttle invocations to.
* @param {Object} [options={}] The options object.
* @param {boolean} [options.leading=true]
* Specify invoking on the leading edge of the timeout.
* @param {boolean} [options.trailing=true]
* Specify invoking on the trailing edge of the timeout.
* @returns {Function} Returns the new throttled function.
* @example
*
* // Avoid excessively updating the position while scrolling.
* jQuery(window).on('scroll', _.throttle(updatePosition, 100));
*
* // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
* var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
* jQuery(element).on('click', throttled);
*
* // Cancel the trailing throttled invocation.
* jQuery(window).on('popstate', throttled.cancel);
*/
function throttle(func, wait, options) {
var leading = true,
trailing = true;
if (typeof func != 'function') {
throw new TypeError(FUNC_ERROR_TEXT);
}
if (isObject(options)) {
leading = 'leading' in options ? !!options.leading : leading;
trailing = 'trailing' in options ? !!options.trailing : trailing;
}
return debounce(func, wait, {
'leading': leading,
'maxWait': wait,
'trailing': trailing
});
}
/**
* Creates a function that accepts up to one argument, ignoring any
* additional arguments.
*
* @static
* @memberOf _
* @since 4.0.0
* @category Function
* @param {Function} func The function to cap arguments for.
* @returns {Function} Returns the new capped function.
* @example
*
* _.map(['6', '8', '10'], _.unary(parseInt));
* // => [6, 8, 10]
*/
function unary(func) {
return ary(func, 1);
}
/**
* Creates a function that provides `value` to `wrapper` as its first
* argument. Any additional arguments provided to the function are appended
* to those provided to the `wrapper`. The wrapper is invoked with the `this`
* binding of the created function.
*
* @static
* @memberOf _
* @since 0.1.0
* @category Function
* @param {*} value The value to wrap.
* @param {Function} [wrapper=identity] The wrapper function.
* @returns {Function} Returns the new function.
* @example
*
* var p = _.wrap(_.escape, function(func, text) {
* return '
## النجوم عبر الزمن
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FILE: README.es_ES.md
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