Full Code of jaredreich/pell for AI

Repository: jaredreich/pell
Branch: master
Commit: d5556baa2e0b
Files: 15
Total size: 26.6 KB

Directory structure:
gitextract_accefpa9/

├── .babelrc
├── .eslintignore
├── .eslintrc
├── .gitignore
├── LICENSE.md
├── README.md
├── demo.html
├── dist/
│   ├── pell.css
│   └── pell.js
├── examples/
│   ├── react.md
│   └── vue.md
├── gulpfile.js
├── package.json
└── src/
    ├── pell.js
    └── pell.scss

================================================
FILE CONTENTS
================================================

================================================
FILE: .babelrc
================================================
{
  "presets": [
    ["es2015", {"modules": false}],
    "stage-0"
  ]
}


================================================
FILE: .eslintignore
================================================
dist


================================================
FILE: .eslintrc
================================================
{
  "extends": "jared"
}


================================================
FILE: .gitignore
================================================
.DS_Store
node_modules


================================================
FILE: LICENSE.md
================================================
The MIT License (MIT)

Copyright (c) Jared Reich

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.


================================================
FILE: README.md
================================================
#### [v2 working branch](https://github.com/jaredreich/pell/tree/v2) and [v2 project board](https://github.com/jaredreich/pell/projects/1)

---

<img src="./images/logo.png" width="128" alt="Logo">

[![npm](https://img.shields.io/npm/v/pell.svg)](https://www.npmjs.com/package/pell)
[![cdnjs](https://img.shields.io/cdnjs/v/pell.svg)](https://cdnjs.com/libraries/pell)

> pell is the simplest and smallest WYSIWYG text editor for web, with no dependencies

![Demo](/demo.gif?raw=true "Demo")

## Comparisons

| library       | size (min+gzip) | size (min) | jquery | bootstrap | react | link |
|---------------|-----------------|------------|--------|-----------|-------|------|
| pell          | 1.38kB          | 3.54kB     |        |           |       | https://github.com/jaredreich/pell |
| squire        | 16kB            | 49kB       |        |           |       | https://github.com/neilj/Squire |
| medium-editor | 27kB            | 105kB      |        |           |       | https://github.com/yabwe/medium-editor |
| quill         | 43kB            | 205kB      |        |           |       | https://github.com/quilljs/quill |
| trix          | 47kB            | 204kB      |        |           |       | https://github.com/basecamp/trix |
| ckeditor      | 163kB           | 551kB      |        |           |       | https://ckeditor.com |
| trumbowyg     | 8kB             | 23kB       | x      |           |       | https://github.com/Alex-D/Trumbowyg |
| summernote    | 26kB            | 93kB       | x      | x         |       | https://github.com/summernote/summernote |
| draft         | 46kB            | 147kB      |        |           | x     | https://github.com/facebook/draft-js |
| froala        | 52kB            | 186kB      | x      |           |       | https://github.com/froala/wysiwyg-editor |
| tinymce       | 157kB           | 491kB      | x      |           |       | https://github.com/tinymce/tinymce |

## Features

* Pure JavaScript, no dependencies, written in ES6
* Easily customizable with the sass file (pell.scss) or overwrite the CSS

Included actions:
- Bold
- Italic
- Underline
- Strike-through
- Heading 1
- Heading 2
- Paragraph
- Quote
- Ordered List
- Unordered List
- Code
- Horizontal Rule
- Link
- Image

Other available actions (listed at https://developer.mozilla.org/en-US/docs/Web/API/Document/execCommand):
- Justify Center
- Justify Full
- Justify Left
- Justify Right
- Subscript
- Superscript
- Font Name
- Font Size
- Indent
- Outdent
- Clear Formatting
- Undo
- Redo

Or create any custom action!

## Browser Support

* IE 9+ (theoretically, but good luck)
* Chrome 5+
* Firefox 4+
* Safari 5+
* Opera 11.6+

## Installation

#### npm:

```bash
npm install --save pell
```

#### HTML:

```html
<head>
  ...
  <link rel="stylesheet" type="text/css" href="https://unpkg.com/pell/dist/pell.min.css">
  <style>
    /* override styles here */
    .pell-content {
      background-color: pink;
    }
  </style>
</head>
<body>
  ...
  <!-- Bottom of body -->
  <script src="https://unpkg.com/pell"></script>
</body>
```

## Usage

#### API

```js
// ES6
import pell from 'pell'
// or
import { exec, init } from 'pell'
```

```js
// Browser
pell
// or
window.pell
```

```js
// Initialize pell on an HTMLElement
pell.init({
  // <HTMLElement>, required
  element: document.getElementById('some-id'),

  // <Function>, required
  // Use the output html, triggered by element's `oninput` event
  onChange: html => console.log(html),

  // <string>, optional, default = 'div'
  // Instructs the editor which element to inject via the return key
  defaultParagraphSeparator: 'div',

  // <boolean>, optional, default = false
  // Outputs <span style="font-weight: bold;"></span> instead of <b></b>
  styleWithCSS: false,

  // <Array[string | Object]>, string if overwriting, object if customizing/creating
  // action.name<string> (only required if overwriting)
  // action.icon<string> (optional if overwriting, required if custom action)
  // action.title<string> (optional)
  // action.result<Function> (required)
  // Specify the actions you specifically want (in order)
  actions: [
    'bold',
    {
      name: 'custom',
      icon: 'C',
      title: 'Custom Action',
      result: () => console.log('Do something!')
    },
    'underline'
  ],

  // classes<Array[string]> (optional)
  // Choose your custom class names
  classes: {
    actionbar: 'pell-actionbar',
    button: 'pell-button',
    content: 'pell-content',
    selected: 'pell-button-selected'
  }
})

// Execute a document command, see reference:
// https://developer.mozilla.org/en/docs/Web/API/Document/execCommand
// this is just `document.execCommand(command, false, value)`
pell.exec(command<string>, value<string>)
```

#### List of overwriteable action names
- bold
- italic
- underline
- strikethrough
- heading1
- heading2
- paragraph
- quote
- olist
- ulist
- code
- line
- link
- image

## Examples

#### General

```html
<div id="editor" class="pell"></div>
<div>
  HTML output:
  <div id="html-output" style="white-space:pre-wrap;"></div>
</div>
```

```js
import { exec, init } from 'pell'

const editor = init({
  element: document.getElementById('editor'),
  onChange: html => {
    document.getElementById('html-output').textContent = html
  },
  defaultParagraphSeparator: 'p',
  styleWithCSS: true,
  actions: [
    'bold',
    'underline',
    {
      name: 'italic',
      result: () => exec('italic')
    },
    {
      name: 'backColor',
      icon: '<div style="background-color:pink;">A</div>',
      title: 'Highlight Color',
      result: () => exec('backColor', 'pink')
    },
    {
      name: 'image',
      result: () => {
        const url = window.prompt('Enter the image URL')
        if (url) exec('insertImage', url)
      }
    },
    {
      name: 'link',
      result: () => {
        const url = window.prompt('Enter the link URL')
        if (url) exec('createLink', url)
      }
    }
  ],
  classes: {
    actionbar: 'pell-actionbar-custom-name',
    button: 'pell-button-custom-name',
    content: 'pell-content-custom-name',
    selected: 'pell-button-selected-custom-name'
  }
})

// editor.content<HTMLElement>
// To change the editor's content:
editor.content.innerHTML = '<b><u><i>Initial content!</i></u></b>'
```

#### Example (Markdown)

```html
<div id="editor" class="pell"></div>
<div>
  Markdown output:
  <div id="markdown-output" style="white-space:pre-wrap;"></div>
</div>
```

```js
import { init } from 'pell'
import Turndown from 'turndown'

const { turndown } = new Turndown({ headingStyle: 'atx' })

init({
  element: document.getElementById('editor'),
  actions: ['bold', 'italic', 'heading1', 'heading2', 'olist', 'ulist'],
  onChange: html => {
    document.getElementById('markdown-output').innerHTML = turndown(html)
  }
})
```

#### Frameworks

- [React](/examples/react.md)
- [Vue](/examples/vue.md)

## Custom Styles

#### SCSS

```scss
$pell-content-height: 400px;
// See all overwriteable variables in src/pell.scss

// Then import pell.scss into styles:
@import '../../node_modules/pell/src/pell';
```

#### CSS

```css
/* After pell styles are applied to DOM: */
.pell-content {
  height: 400px;
}
```

## License

MIT

## Credits

BrowserStack for cross browser testing:

<a href="https://www.browserstack.com" target="_blank" rel="noopener noreferrer"><img width="128" src="./images/browserstack.png" alt="BrowserStack logo"></a>


================================================
FILE: demo.html
================================================
<!DOCTYPE html>
<html>
  <head>

    <meta name="viewport" content="user-scalable=1.0,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0">

    <title>pell</title>

    <link rel="stylesheet" type="text/css" href="dist/pell.css">

    <style>
      body {
        margin: 0;
        padding: 0;
      }

      .content {
        box-sizing: border-box;
        margin: 0 auto;
        max-width: 600px;
        padding: 20px;
      }

      #html-output {
        white-space: pre-wrap;
      }
    </style>

  </head>
  <body>

    <div class="content">
      <h1>pell</h1>
      <div id="editor" class="pell"></div>
      <div style="margin-top:20px;">
        <h3>Text output:</h3>
        <div id="text-output"></div>
      </div>
      <div style="margin-top:20px;">
        <h3>HTML output:</h3>
        <pre id="html-output"></pre>
      </div>
    </div>

    <script src="dist/pell.js"></script>
    <script>
      var editor = window.pell.init({
        element: document.getElementById('editor'),
        defaultParagraphSeparator: 'p',
        onChange: function (html) {
          document.getElementById('text-output').innerHTML = html
          document.getElementById('html-output').textContent = html
        }
      })
    </script>

  </body>
</html>


================================================
FILE: dist/pell.css
================================================
.pell {
  border: 1px solid rgba(10, 10, 10, 0.1);
  box-sizing: border-box; }

.pell-content {
  box-sizing: border-box;
  height: 300px;
  outline: 0;
  overflow-y: auto;
  padding: 10px; }

.pell-actionbar {
  background-color: #FFF;
  border-bottom: 1px solid rgba(10, 10, 10, 0.1); }

.pell-button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  height: 30px;
  outline: 0;
  width: 30px;
  vertical-align: bottom; }

.pell-button-selected {
  background-color: #F0F0F0; }


================================================
FILE: dist/pell.js
================================================
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
	typeof define === 'function' && define.amd ? define(['exports'], factory) :
	(factory((global.pell = {})));
}(this, (function (exports) { 'use strict';

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var defaultParagraphSeparatorString = 'defaultParagraphSeparator';
var formatBlock = 'formatBlock';
var addEventListener = function addEventListener(parent, type, listener) {
  return parent.addEventListener(type, listener);
};
var appendChild = function appendChild(parent, child) {
  return parent.appendChild(child);
};
var createElement = function createElement(tag) {
  return document.createElement(tag);
};
var queryCommandState = function queryCommandState(command) {
  return document.queryCommandState(command);
};
var queryCommandValue = function queryCommandValue(command) {
  return document.queryCommandValue(command);
};

var exec = function exec(command) {
  var value = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  return document.execCommand(command, false, value);
};

var defaultActions = {
  bold: {
    icon: '<b>B</b>',
    title: 'Bold',
    state: function state() {
      return queryCommandState('bold');
    },
    result: function result() {
      return exec('bold');
    }
  },
  italic: {
    icon: '<i>I</i>',
    title: 'Italic',
    state: function state() {
      return queryCommandState('italic');
    },
    result: function result() {
      return exec('italic');
    }
  },
  underline: {
    icon: '<u>U</u>',
    title: 'Underline',
    state: function state() {
      return queryCommandState('underline');
    },
    result: function result() {
      return exec('underline');
    }
  },
  strikethrough: {
    icon: '<strike>S</strike>',
    title: 'Strike-through',
    state: function state() {
      return queryCommandState('strikeThrough');
    },
    result: function result() {
      return exec('strikeThrough');
    }
  },
  heading1: {
    icon: '<b>H<sub>1</sub></b>',
    title: 'Heading 1',
    result: function result() {
      return exec(formatBlock, '<h1>');
    }
  },
  heading2: {
    icon: '<b>H<sub>2</sub></b>',
    title: 'Heading 2',
    result: function result() {
      return exec(formatBlock, '<h2>');
    }
  },
  paragraph: {
    icon: '&#182;',
    title: 'Paragraph',
    result: function result() {
      return exec(formatBlock, '<p>');
    }
  },
  quote: {
    icon: '&#8220; &#8221;',
    title: 'Quote',
    result: function result() {
      return exec(formatBlock, '<blockquote>');
    }
  },
  olist: {
    icon: '&#35;',
    title: 'Ordered List',
    result: function result() {
      return exec('insertOrderedList');
    }
  },
  ulist: {
    icon: '&#8226;',
    title: 'Unordered List',
    result: function result() {
      return exec('insertUnorderedList');
    }
  },
  code: {
    icon: '&lt;/&gt;',
    title: 'Code',
    result: function result() {
      return exec(formatBlock, '<pre>');
    }
  },
  line: {
    icon: '&#8213;',
    title: 'Horizontal Line',
    result: function result() {
      return exec('insertHorizontalRule');
    }
  },
  link: {
    icon: '&#128279;',
    title: 'Link',
    result: function result() {
      var url = window.prompt('Enter the link URL');
      if (url) exec('createLink', url);
    }
  },
  image: {
    icon: '&#128247;',
    title: 'Image',
    result: function result() {
      var url = window.prompt('Enter the image URL');
      if (url) exec('insertImage', url);
    }
  }
};

var defaultClasses = {
  actionbar: 'pell-actionbar',
  button: 'pell-button',
  content: 'pell-content',
  selected: 'pell-button-selected'
};

var init = function init(settings) {
  var actions = settings.actions ? settings.actions.map(function (action) {
    if (typeof action === 'string') return defaultActions[action];else if (defaultActions[action.name]) return _extends({}, defaultActions[action.name], action);
    return action;
  }) : Object.keys(defaultActions).map(function (action) {
    return defaultActions[action];
  });

  var classes = _extends({}, defaultClasses, settings.classes);

  var defaultParagraphSeparator = settings[defaultParagraphSeparatorString] || 'div';

  var actionbar = createElement('div');
  actionbar.className = classes.actionbar;
  appendChild(settings.element, actionbar);

  var content = settings.element.content = createElement('div');
  content.contentEditable = true;
  content.className = classes.content;
  content.oninput = function (_ref) {
    var firstChild = _ref.target.firstChild;

    if (firstChild && firstChild.nodeType === 3) exec(formatBlock, '<' + defaultParagraphSeparator + '>');else if (content.innerHTML === '<br>') content.innerHTML = '';
    settings.onChange(content.innerHTML);
  };
  content.onkeydown = function (event) {
    if (event.key === 'Enter' && queryCommandValue(formatBlock) === 'blockquote') {
      setTimeout(function () {
        return exec(formatBlock, '<' + defaultParagraphSeparator + '>');
      }, 0);
    }
  };
  appendChild(settings.element, content);

  actions.forEach(function (action) {
    var button = createElement('button');
    button.className = classes.button;
    button.innerHTML = action.icon;
    button.title = action.title;
    button.setAttribute('type', 'button');
    button.onclick = function () {
      return action.result() && content.focus();
    };

    if (action.state) {
      var handler = function handler() {
        return button.classList[action.state() ? 'add' : 'remove'](classes.selected);
      };
      addEventListener(content, 'keyup', handler);
      addEventListener(content, 'mouseup', handler);
      addEventListener(button, 'click', handler);
    }

    appendChild(actionbar, button);
  });

  if (settings.styleWithCSS) exec('styleWithCSS');
  exec(defaultParagraphSeparatorString, defaultParagraphSeparator);

  return settings.element;
};

var pell = { exec: exec, init: init };

exports.exec = exec;
exports.init = init;
exports['default'] = pell;

Object.defineProperty(exports, '__esModule', { value: true });

})));


================================================
FILE: examples/react.md
================================================
```js
// App.js

import React, { Component } from 'react';
import { init } from 'pell';

import 'pell/dist/pell.css'

class App extends Component {
  editor = null

  constructor (props) {
    super(props)
    this.state = { html: null }
  }

  componentDidMount () {
    this.editor = init({
      element: document.getElementById('editor'),
      onChange: html => this.setState({ html }),
      actions: ['bold', 'underline', 'italic'],
    })
  }

  render() {
    return (
      <div className="App">
        <h3>Editor:</h3>
        <div id="editor" className="pell" />
        <h3>HTML Output:</h3>
        <div id="html-output">{this.state.html}</div>
      </div>
    );
  }
}

export default App;
```


================================================
FILE: examples/vue.md
================================================
```vue
<template>
  <div>
    <h6>Editor:</h6>
    <div id="pell" class="pell" />
    <h6>HTML Output:</h6>
    <pre id="pell-html-output"></pre>
  </div>
</template>

<script>
import pell from 'pell'

export default {
  methods: {
    ensureHTTP: str => /^https?:\/\//.test(str) && str || `http://${str}`
  },
  mounted () {
    pell.init({
      element: document.getElementById('pell'),
      onChange: html => {
        window.document.getElementById('pell-html-output').textContent = html
      },
      actions: [
        'bold',
        'italic',
        'underline',
        'strikethrough',
        'heading1',
        'heading2',
        'paragraph',
        'quote',
        'olist',
        'ulist',
        'code',
        'line',
        {
          name: 'image',
          result: () => {
            const url = window.prompt('Enter the image URL')
            if (url) pell.exec('insertImage', this.ensureHTTP(url))
          }
        },
        {
          name: 'link',
          result: () => {
            const url = window.prompt('Enter the link URL')
            if (url) pell.exec('createLink', this.ensureHTTP(url))
          }
        }
      ]
    })
  }
}
</script>

<style>
.pell {
  border: 2px solid #000;
  border-radius: 0;
  box-shadow: none;
}

#pell-html-output {
  margin: 0;
  white-space: pre-wrap;
}
</style>
```


================================================
FILE: gulpfile.js
================================================
const babel = require('rollup-plugin-babel')
const cssnano = require('gulp-cssnano')
const del = require('del')
const gulp = require('gulp')
const rename = require('gulp-rename')
const Rollup = require('rollup')
const rollup = require('gulp-rollup')
const run = require('run-sequence')
const sass = require('gulp-sass')
const size = require('gulp-size')
const uglify = require('rollup-plugin-uglify')

gulp.task('clean', () => del(['./dist']))

const rollupConfig = minimize => ({
  rollup: Rollup,
  entry: './src/pell.js',
  moduleName: 'pell',
  format: 'umd',
  exports: 'named',
  plugins: [babel({ exclude: 'node_modules/**' })].concat(
    minimize
      ? [
        uglify({
          compress: { warnings: false },
          mangle: true,
          sourceMap: false
        })
      ]
      : []
  )
})

gulp.task('script', () => {
  gulp.src('./src/*.js')
    .pipe(rollup(rollupConfig(false)))
    .pipe(size({ showFiles: true }))
    .pipe(gulp.dest('./dist'))

  gulp.src('./src/*.js')
    .pipe(rollup(rollupConfig(true)))
    .pipe(rename('pell.min.js'))
    .pipe(size({ showFiles: true }))
    .pipe(size({ gzip: true, showFiles: true }))
    .pipe(gulp.dest('./dist'))
})

gulp.task('style', () => {
  gulp.src(['./src/pell.scss'])
    .pipe(sass().on('error', sass.logError))
    .pipe(gulp.dest('./dist'))
    .pipe(cssnano())
    .pipe(rename('pell.min.css'))
    .pipe(gulp.dest('./dist'))
})

gulp.task('default', ['clean'], () => {
  run('script', 'style')
  gulp.watch('./src/pell.scss', ['style'])
  gulp.watch('./src/pell.js', ['script'])
})


================================================
FILE: package.json
================================================
{
  "name": "pell",
  "description": "pell - the simplest and smallest WYSIWYG text editor for web, with no dependencies",
  "author": "Jared Reich",
  "version": "1.0.6",
  "main": "./dist/pell.min.js",
  "scripts": {
    "dev": "gulp",
    "build": "gulp clean && gulp script && gulp style",
    "lint": "./node_modules/.bin/eslint .js ./"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/jaredreich/pell.git"
  },
  "keywords": [
    "text editor",
    "editor",
    "rich text",
    "wysiwyg",
    "contenteditable"
  ],
  "license": "MIT",
  "bugs": {
    "url": "https://github.com/jaredreich/pell/issues"
  },
  "homepage": "https://github.com/jaredreich/pell",
  "devDependencies": {
    "babel-core": "6.23.1",
    "babel-preset-es2015": "6.22.0",
    "babel-preset-stage-0": "6.22.0",
    "del": "2.2.2",
    "eslint-config-jared": "1.2.0",
    "gulp": "3.9.1",
    "gulp-cssnano": "2.1.2",
    "gulp-rename": "1.2.2",
    "gulp-rollup": "2.14.0",
    "gulp-sass": "3.1.0",
    "gulp-size": "2.1.0",
    "rollup": "0.45.1",
    "rollup-plugin-babel": "2.7.1",
    "rollup-plugin-uglify": "2.0.1",
    "run-sequence": "1.2.2"
  }
}


================================================
FILE: src/pell.js
================================================
const defaultParagraphSeparatorString = 'defaultParagraphSeparator'
const formatBlock = 'formatBlock'
const addEventListener = (parent, type, listener) => parent.addEventListener(type, listener)
const appendChild = (parent, child) => parent.appendChild(child)
const createElement = tag => document.createElement(tag)
const queryCommandState = command => document.queryCommandState(command)
const queryCommandValue = command => document.queryCommandValue(command)

export const exec = (command, value = null) => document.execCommand(command, false, value)

const defaultActions = {
  bold: {
    icon: '<b>B</b>',
    title: 'Bold',
    state: () => queryCommandState('bold'),
    result: () => exec('bold')
  },
  italic: {
    icon: '<i>I</i>',
    title: 'Italic',
    state: () => queryCommandState('italic'),
    result: () => exec('italic')
  },
  underline: {
    icon: '<u>U</u>',
    title: 'Underline',
    state: () => queryCommandState('underline'),
    result: () => exec('underline')
  },
  strikethrough: {
    icon: '<strike>S</strike>',
    title: 'Strike-through',
    state: () => queryCommandState('strikeThrough'),
    result: () => exec('strikeThrough')
  },
  heading1: {
    icon: '<b>H<sub>1</sub></b>',
    title: 'Heading 1',
    result: () => exec(formatBlock, '<h1>')
  },
  heading2: {
    icon: '<b>H<sub>2</sub></b>',
    title: 'Heading 2',
    result: () => exec(formatBlock, '<h2>')
  },
  paragraph: {
    icon: '&#182;',
    title: 'Paragraph',
    result: () => exec(formatBlock, '<p>')
  },
  quote: {
    icon: '&#8220; &#8221;',
    title: 'Quote',
    result: () => exec(formatBlock, '<blockquote>')
  },
  olist: {
    icon: '&#35;',
    title: 'Ordered List',
    result: () => exec('insertOrderedList')
  },
  ulist: {
    icon: '&#8226;',
    title: 'Unordered List',
    result: () => exec('insertUnorderedList')
  },
  code: {
    icon: '&lt;/&gt;',
    title: 'Code',
    result: () => exec(formatBlock, '<pre>')
  },
  line: {
    icon: '&#8213;',
    title: 'Horizontal Line',
    result: () => exec('insertHorizontalRule')
  },
  link: {
    icon: '&#128279;',
    title: 'Link',
    result: () => {
      const url = window.prompt('Enter the link URL')
      if (url) exec('createLink', url)
    }
  },
  image: {
    icon: '&#128247;',
    title: 'Image',
    result: () => {
      const url = window.prompt('Enter the image URL')
      if (url) exec('insertImage', url)
    }
  }
}

const defaultClasses = {
  actionbar: 'pell-actionbar',
  button: 'pell-button',
  content: 'pell-content',
  selected: 'pell-button-selected'
}

export const init = settings => {
  const actions = settings.actions
    ? (
      settings.actions.map(action => {
        if (typeof action === 'string') return defaultActions[action]
        else if (defaultActions[action.name]) return { ...defaultActions[action.name], ...action }
        return action
      })
    )
    : Object.keys(defaultActions).map(action => defaultActions[action])

  const classes = { ...defaultClasses, ...settings.classes }

  const defaultParagraphSeparator = settings[defaultParagraphSeparatorString] || 'div'

  const actionbar = createElement('div')
  actionbar.className = classes.actionbar
  appendChild(settings.element, actionbar)

  const content = settings.element.content = createElement('div')
  content.contentEditable = true
  content.className = classes.content
  content.oninput = ({ target: { firstChild } }) => {
    if (firstChild && firstChild.nodeType === 3) exec(formatBlock, `<${defaultParagraphSeparator}>`)
    else if (content.innerHTML === '<br>') content.innerHTML = ''
    settings.onChange(content.innerHTML)
  }
  content.onkeydown = event => {
    if (event.key === 'Enter' && queryCommandValue(formatBlock) === 'blockquote') {
      setTimeout(() => exec(formatBlock, `<${defaultParagraphSeparator}>`), 0)
    }
  }
  appendChild(settings.element, content)

  actions.forEach(action => {
    const button = createElement('button')
    button.className = classes.button
    button.innerHTML = action.icon
    button.title = action.title
    button.setAttribute('type', 'button')
    button.onclick = () => action.result() && content.focus()

    if (action.state) {
      const handler = () => button.classList[action.state() ? 'add' : 'remove'](classes.selected)
      addEventListener(content, 'keyup', handler)
      addEventListener(content, 'mouseup', handler)
      addEventListener(button, 'click', handler)
    }

    appendChild(actionbar, button)
  })

  if (settings.styleWithCSS) exec('styleWithCSS')
  exec(defaultParagraphSeparatorString, defaultParagraphSeparator)

  return settings.element
}

export default { exec, init }


================================================
FILE: src/pell.scss
================================================
$pell-actionbar-color: #FFF !default;
$pell-border-color: rgba(10, 10, 10, 0.1) !default;
$pell-border-style: solid !default;
$pell-border-width: 1px !default;
$pell-button-height: 30px !default;
$pell-button-selected-color: #F0F0F0 !default;
$pell-button-width: 30px !default;
$pell-content-height: 300px !default;
$pell-content-padding: 10px !default;

.pell {
  border: $pell-border-width $pell-border-style $pell-border-color;
  box-sizing: border-box;
}

.pell-content {
  box-sizing: border-box;
  height: $pell-content-height;
  outline: 0;
  overflow-y: auto;
  padding: $pell-content-padding;
}

.pell-actionbar {
  background-color: $pell-actionbar-color;
  border-bottom: $pell-border-width $pell-border-style $pell-border-color;
}

.pell-button {
  background-color: transparent;
  border: none;
  cursor: pointer;
  height: $pell-button-height;
  outline: 0;
  width: $pell-button-width;
  vertical-align: bottom;
}

.pell-button-selected {
  background-color: $pell-button-selected-color;
}