',\n data: {\n counter: 0\n },\n created: function () {\n var vm = this\n setInterval(function () {\n vm.counter += 1\n }, 1000)\n }\n })\n // -------------------\n // 结束常用的应用代码\n // -------------------\n }\n if (typeof module !== 'undefined' && module.exports) {\n module.exports = createApp\n } else {\n this.app = createApp()\n }\n}).call(this)\n"
},
{
"path": "assets/vue.js",
"content": "/*!\n * Vue.js v2.2.6\n * (c) 2014-2017 Evan You\n * Released under the MIT License.\n */\n(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n\ttypeof define === 'function' && define.amd ? define(factory) :\n\t(global.Vue = factory());\n}(this, (function () { 'use strict';\n\n/* */\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction _toString (val) {\n return val == null\n ? ''\n : typeof val === 'object'\n ? JSON.stringify(val, null, 2)\n : String(val)\n}\n\n/**\n * Convert a input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n var n = parseFloat(val);\n return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n str,\n expectsLowerCase\n) {\n var map = Object.create(null);\n var list = str.split(',');\n for (var i = 0; i < list.length; i++) {\n map[list[i]] = true;\n }\n return expectsLowerCase\n ? function (val) { return map[val.toLowerCase()]; }\n : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Remove an item from an array\n */\nfunction remove (arr, item) {\n if (arr.length) {\n var index = arr.indexOf(item);\n if (index > -1) {\n return arr.splice(index, 1)\n }\n }\n}\n\n/**\n * Check whether the object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Check if value is primitive\n */\nfunction isPrimitive (value) {\n return typeof value === 'string' || typeof value === 'number'\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n var cache = Object.create(null);\n return (function cachedFn (str) {\n var hit = cache[str];\n return hit || (cache[str] = fn(str))\n })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /([^-])([A-Z])/g;\nvar hyphenate = cached(function (str) {\n return str\n .replace(hyphenateRE, '$1-$2')\n .replace(hyphenateRE, '$1-$2')\n .toLowerCase()\n});\n\n/**\n * Simple bind, faster than native\n */\nfunction bind (fn, ctx) {\n function boundFn (a) {\n var l = arguments.length;\n return l\n ? l > 1\n ? fn.apply(ctx, arguments)\n : fn.call(ctx, a)\n : fn.call(ctx)\n }\n // record original fn length\n boundFn._length = fn.length;\n return boundFn\n}\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n start = start || 0;\n var i = list.length - start;\n var ret = new Array(i);\n while (i--) {\n ret[i] = list[i + start];\n }\n return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n for (var key in _from) {\n to[key] = _from[key];\n }\n return to\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n return obj !== null && typeof obj === 'object'\n}\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nvar toString = Object.prototype.toString;\nvar OBJECT_STRING = '[object Object]';\nfunction isPlainObject (obj) {\n return toString.call(obj) === OBJECT_STRING\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n var res = {};\n for (var i = 0; i < arr.length; i++) {\n if (arr[i]) {\n extend(res, arr[i]);\n }\n }\n return res\n}\n\n/**\n * Perform no operation.\n */\nfunction noop () {}\n\n/**\n * Always return false.\n */\nvar no = function () { return false; };\n\n/**\n * Return same value\n */\nvar identity = function (_) { return _; };\n\n/**\n * Generate a static keys string from compiler modules.\n */\nfunction genStaticKeys (modules) {\n return modules.reduce(function (keys, m) {\n return keys.concat(m.staticKeys || [])\n }, []).join(',')\n}\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n var isObjectA = isObject(a);\n var isObjectB = isObject(b);\n if (isObjectA && isObjectB) {\n try {\n return JSON.stringify(a) === JSON.stringify(b)\n } catch (e) {\n // possible circular reference\n return a === b\n }\n } else if (!isObjectA && !isObjectB) {\n return String(a) === String(b)\n } else {\n return false\n }\n}\n\nfunction looseIndexOf (arr, val) {\n for (var i = 0; i < arr.length; i++) {\n if (looseEqual(arr[i], val)) { return i }\n }\n return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n var called = false;\n return function () {\n if (!called) {\n called = true;\n fn();\n }\n }\n}\n\n/* */\n\nvar config = {\n /**\n * Option merge strategies (used in core/util/options)\n */\n optionMergeStrategies: Object.create(null),\n\n /**\n * Whether to suppress warnings.\n */\n silent: false,\n\n /**\n * Show production mode tip message on boot?\n */\n productionTip: \"development\" !== 'production',\n\n /**\n * Whether to enable devtools\n */\n devtools: \"development\" !== 'production',\n\n /**\n * Whether to record perf\n */\n performance: false,\n\n /**\n * Error handler for watcher errors\n */\n errorHandler: null,\n\n /**\n * Ignore certain custom elements\n */\n ignoredElements: [],\n\n /**\n * Custom user key aliases for v-on\n */\n keyCodes: Object.create(null),\n\n /**\n * Check if a tag is reserved so that it cannot be registered as a\n * component. This is platform-dependent and may be overwritten.\n */\n isReservedTag: no,\n\n /**\n * Check if a tag is an unknown element.\n * Platform-dependent.\n */\n isUnknownElement: no,\n\n /**\n * Get the namespace of an element\n */\n getTagNamespace: noop,\n\n /**\n * Parse the real tag name for the specific platform.\n */\n parsePlatformTagName: identity,\n\n /**\n * Check if an attribute must be bound using property, e.g. value\n * Platform-dependent.\n */\n mustUseProp: no,\n\n /**\n * List of asset types that a component can own.\n */\n _assetTypes: [\n 'component',\n 'directive',\n 'filter'\n ],\n\n /**\n * List of lifecycle hooks.\n */\n _lifecycleHooks: [\n 'beforeCreate',\n 'created',\n 'beforeMount',\n 'mounted',\n 'beforeUpdate',\n 'updated',\n 'beforeDestroy',\n 'destroyed',\n 'activated',\n 'deactivated'\n ],\n\n /**\n * Max circular updates allowed in a scheduler flush cycle.\n */\n _maxUpdateCount: 100\n};\n\n/* */\n\nvar emptyObject = Object.freeze({});\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n var c = (str + '').charCodeAt(0);\n return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n Object.defineProperty(obj, key, {\n value: val,\n enumerable: !!enumerable,\n writable: true,\n configurable: true\n });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = /[^\\w.$]/;\nfunction parsePath (path) {\n if (bailRE.test(path)) {\n return\n }\n var segments = path.split('.');\n return function (obj) {\n for (var i = 0; i < segments.length; i++) {\n if (!obj) { return }\n obj = obj[segments[i]];\n }\n return obj\n }\n}\n\n/* */\n/* globals MutationObserver */\n\n// can we use __proto__?\nvar hasProto = '__proto__' in {};\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined';\nvar UA = inBrowser && window.navigator.userAgent.toLowerCase();\nvar isIE = UA && /msie|trident/.test(UA);\nvar isIE9 = UA && UA.indexOf('msie 9.0') > 0;\nvar isEdge = UA && UA.indexOf('edge/') > 0;\nvar isAndroid = UA && UA.indexOf('android') > 0;\nvar isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);\nvar isChrome = UA && /chrome\\/\\d+/.test(UA) && !isEdge;\n\n// this needs to be lazy-evaled because vue may be required before\n// vue-server-renderer can set VUE_ENV\nvar _isServer;\nvar isServerRendering = function () {\n if (_isServer === undefined) {\n /* istanbul ignore if */\n if (!inBrowser && typeof global !== 'undefined') {\n // detect presence of vue-server-renderer and avoid\n // Webpack shimming the process\n _isServer = global['process'].env.VUE_ENV === 'server';\n } else {\n _isServer = false;\n }\n }\n return _isServer\n};\n\n// detect devtools\nvar devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;\n\n/* istanbul ignore next */\nfunction isNative (Ctor) {\n return /native code/.test(Ctor.toString())\n}\n\nvar hasSymbol =\n typeof Symbol !== 'undefined' && isNative(Symbol) &&\n typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);\n\n/**\n * Defer a task to execute it asynchronously.\n */\nvar nextTick = (function () {\n var callbacks = [];\n var pending = false;\n var timerFunc;\n\n function nextTickHandler () {\n pending = false;\n var copies = callbacks.slice(0);\n callbacks.length = 0;\n for (var i = 0; i < copies.length; i++) {\n copies[i]();\n }\n }\n\n // the nextTick behavior leverages the microtask queue, which can be accessed\n // via either native Promise.then or MutationObserver.\n // MutationObserver has wider support, however it is seriously bugged in\n // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It\n // completely stops working after triggering a few times... so, if native\n // Promise is available, we will use it:\n /* istanbul ignore if */\n if (typeof Promise !== 'undefined' && isNative(Promise)) {\n var p = Promise.resolve();\n var logError = function (err) { console.error(err); };\n timerFunc = function () {\n p.then(nextTickHandler).catch(logError);\n // in problematic UIWebViews, Promise.then doesn't completely break, but\n // it can get stuck in a weird state where callbacks are pushed into the\n // microtask queue but the queue isn't being flushed, until the browser\n // needs to do some other work, e.g. handle a timer. Therefore we can\n // \"force\" the microtask queue to be flushed by adding an empty timer.\n if (isIOS) { setTimeout(noop); }\n };\n } else if (typeof MutationObserver !== 'undefined' && (\n isNative(MutationObserver) ||\n // PhantomJS and iOS 7.x\n MutationObserver.toString() === '[object MutationObserverConstructor]'\n )) {\n // use MutationObserver where native Promise is not available,\n // e.g. PhantomJS IE11, iOS7, Android 4.4\n var counter = 1;\n var observer = new MutationObserver(nextTickHandler);\n var textNode = document.createTextNode(String(counter));\n observer.observe(textNode, {\n characterData: true\n });\n timerFunc = function () {\n counter = (counter + 1) % 2;\n textNode.data = String(counter);\n };\n } else {\n // fallback to setTimeout\n /* istanbul ignore next */\n timerFunc = function () {\n setTimeout(nextTickHandler, 0);\n };\n }\n\n return function queueNextTick (cb, ctx) {\n var _resolve;\n callbacks.push(function () {\n if (cb) { cb.call(ctx); }\n if (_resolve) { _resolve(ctx); }\n });\n if (!pending) {\n pending = true;\n timerFunc();\n }\n if (!cb && typeof Promise !== 'undefined') {\n return new Promise(function (resolve) {\n _resolve = resolve;\n })\n }\n }\n})();\n\nvar _Set;\n/* istanbul ignore if */\nif (typeof Set !== 'undefined' && isNative(Set)) {\n // use native Set when available.\n _Set = Set;\n} else {\n // a non-standard Set polyfill that only works with primitive keys.\n _Set = (function () {\n function Set () {\n this.set = Object.create(null);\n }\n Set.prototype.has = function has (key) {\n return this.set[key] === true\n };\n Set.prototype.add = function add (key) {\n this.set[key] = true;\n };\n Set.prototype.clear = function clear () {\n this.set = Object.create(null);\n };\n\n return Set;\n }());\n}\n\nvar warn = noop;\nvar tip = noop;\nvar formatComponentName;\n\n{\n var hasConsole = typeof console !== 'undefined';\n var classifyRE = /(?:^|[-_])(\\w)/g;\n var classify = function (str) { return str\n .replace(classifyRE, function (c) { return c.toUpperCase(); })\n .replace(/[-_]/g, ''); };\n\n warn = function (msg, vm) {\n if (hasConsole && (!config.silent)) {\n console.error(\"[Vue warn]: \" + msg + \" \" + (\n vm ? formatLocation(formatComponentName(vm)) : ''\n ));\n }\n };\n\n tip = function (msg, vm) {\n if (hasConsole && (!config.silent)) {\n console.warn(\"[Vue tip]: \" + msg + \" \" + (\n vm ? formatLocation(formatComponentName(vm)) : ''\n ));\n }\n };\n\n formatComponentName = function (vm, includeFile) {\n if (vm.$root === vm) {\n return ''\n }\n var name = typeof vm === 'string'\n ? vm\n : typeof vm === 'function' && vm.options\n ? vm.options.name\n : vm._isVue\n ? vm.$options.name || vm.$options._componentTag\n : vm.name;\n\n var file = vm._isVue && vm.$options.__file;\n if (!name && file) {\n var match = file.match(/([^/\\\\]+)\\.vue$/);\n name = match && match[1];\n }\n\n return (\n (name ? (\"<\" + (classify(name)) + \">\") : \"\") +\n (file && includeFile !== false ? (\" at \" + file) : '')\n )\n };\n\n var formatLocation = function (str) {\n if (str === \"\") {\n str += \" - use the \\\"name\\\" option for better debugging messages.\";\n }\n return (\"\\n(found in \" + str + \")\")\n };\n}\n\n/* */\n\n\nvar uid$1 = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n */\nvar Dep = function Dep () {\n this.id = uid$1++;\n this.subs = [];\n};\n\nDep.prototype.addSub = function addSub (sub) {\n this.subs.push(sub);\n};\n\nDep.prototype.removeSub = function removeSub (sub) {\n remove(this.subs, sub);\n};\n\nDep.prototype.depend = function depend () {\n if (Dep.target) {\n Dep.target.addDep(this);\n }\n};\n\nDep.prototype.notify = function notify () {\n // stabilize the subscriber list first\n var subs = this.subs.slice();\n for (var i = 0, l = subs.length; i < l; i++) {\n subs[i].update();\n }\n};\n\n// the current target watcher being evaluated.\n// this is globally unique because there could be only one\n// watcher being evaluated at any time.\nDep.target = null;\nvar targetStack = [];\n\nfunction pushTarget (_target) {\n if (Dep.target) { targetStack.push(Dep.target); }\n Dep.target = _target;\n}\n\nfunction popTarget () {\n Dep.target = targetStack.pop();\n}\n\n/*\n * not type checking this file because flow doesn't play well with\n * dynamically accessing methods on Array prototype\n */\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto);[\n 'push',\n 'pop',\n 'shift',\n 'unshift',\n 'splice',\n 'sort',\n 'reverse'\n]\n.forEach(function (method) {\n // cache original method\n var original = arrayProto[method];\n def(arrayMethods, method, function mutator () {\n var arguments$1 = arguments;\n\n // avoid leaking arguments:\n // http://jsperf.com/closure-with-arguments\n var i = arguments.length;\n var args = new Array(i);\n while (i--) {\n args[i] = arguments$1[i];\n }\n var result = original.apply(this, args);\n var ob = this.__ob__;\n var inserted;\n switch (method) {\n case 'push':\n inserted = args;\n break\n case 'unshift':\n inserted = args;\n break\n case 'splice':\n inserted = args.slice(2);\n break\n }\n if (inserted) { ob.observeArray(inserted); }\n // notify change\n ob.dep.notify();\n return result\n });\n});\n\n/* */\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * By default, when a reactive property is set, the new value is\n * also converted to become reactive. However when passing down props,\n * we don't want to force conversion because the value may be a nested value\n * under a frozen data structure. Converting it would defeat the optimization.\n */\nvar observerState = {\n shouldConvert: true,\n isSettingProps: false\n};\n\n/**\n * Observer class that are attached to each observed\n * object. Once attached, the observer converts target\n * object's property keys into getter/setters that\n * collect dependencies and dispatches updates.\n */\nvar Observer = function Observer (value) {\n this.value = value;\n this.dep = new Dep();\n this.vmCount = 0;\n def(value, '__ob__', this);\n if (Array.isArray(value)) {\n var augment = hasProto\n ? protoAugment\n : copyAugment;\n augment(value, arrayMethods, arrayKeys);\n this.observeArray(value);\n } else {\n this.walk(value);\n }\n};\n\n/**\n * Walk through each property and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n */\nObserver.prototype.walk = function walk (obj) {\n var keys = Object.keys(obj);\n for (var i = 0; i < keys.length; i++) {\n defineReactive$$1(obj, keys[i], obj[keys[i]]);\n }\n};\n\n/**\n * Observe a list of Array items.\n */\nObserver.prototype.observeArray = function observeArray (items) {\n for (var i = 0, l = items.length; i < l; i++) {\n observe(items[i]);\n }\n};\n\n// helpers\n\n/**\n * Augment an target Object or Array by intercepting\n * the prototype chain using __proto__\n */\nfunction protoAugment (target, src) {\n /* eslint-disable no-proto */\n target.__proto__ = src;\n /* eslint-enable no-proto */\n}\n\n/**\n * Augment an target Object or Array by defining\n * hidden properties.\n */\n/* istanbul ignore next */\nfunction copyAugment (target, src, keys) {\n for (var i = 0, l = keys.length; i < l; i++) {\n var key = keys[i];\n def(target, key, src[key]);\n }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n */\nfunction observe (value, asRootData) {\n if (!isObject(value)) {\n return\n }\n var ob;\n if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n ob = value.__ob__;\n } else if (\n observerState.shouldConvert &&\n !isServerRendering() &&\n (Array.isArray(value) || isPlainObject(value)) &&\n Object.isExtensible(value) &&\n !value._isVue\n ) {\n ob = new Observer(value);\n }\n if (asRootData && ob) {\n ob.vmCount++;\n }\n return ob\n}\n\n/**\n * Define a reactive property on an Object.\n */\nfunction defineReactive$$1 (\n obj,\n key,\n val,\n customSetter\n) {\n var dep = new Dep();\n\n var property = Object.getOwnPropertyDescriptor(obj, key);\n if (property && property.configurable === false) {\n return\n }\n\n // cater for pre-defined getter/setters\n var getter = property && property.get;\n var setter = property && property.set;\n\n var childOb = observe(val);\n Object.defineProperty(obj, key, {\n enumerable: true,\n configurable: true,\n get: function reactiveGetter () {\n var value = getter ? getter.call(obj) : val;\n if (Dep.target) {\n dep.depend();\n if (childOb) {\n childOb.dep.depend();\n }\n if (Array.isArray(value)) {\n dependArray(value);\n }\n }\n return value\n },\n set: function reactiveSetter (newVal) {\n var value = getter ? getter.call(obj) : val;\n /* eslint-disable no-self-compare */\n if (newVal === value || (newVal !== newVal && value !== value)) {\n return\n }\n /* eslint-enable no-self-compare */\n if (\"development\" !== 'production' && customSetter) {\n customSetter();\n }\n if (setter) {\n setter.call(obj, newVal);\n } else {\n val = newVal;\n }\n childOb = observe(newVal);\n dep.notify();\n }\n });\n}\n\n/**\n * Set a property on an object. Adds the new property and\n * triggers change notification if the property doesn't\n * already exist.\n */\nfunction set (target, key, val) {\n if (Array.isArray(target) && typeof key === 'number') {\n target.length = Math.max(target.length, key);\n target.splice(key, 1, val);\n return val\n }\n if (hasOwn(target, key)) {\n target[key] = val;\n return val\n }\n var ob = (target ).__ob__;\n if (target._isVue || (ob && ob.vmCount)) {\n \"development\" !== 'production' && warn(\n 'Avoid adding reactive properties to a Vue instance or its root $data ' +\n 'at runtime - declare it upfront in the data option.'\n );\n return val\n }\n if (!ob) {\n target[key] = val;\n return val\n }\n defineReactive$$1(ob.value, key, val);\n ob.dep.notify();\n return val\n}\n\n/**\n * Delete a property and trigger change if necessary.\n */\nfunction del (target, key) {\n if (Array.isArray(target) && typeof key === 'number') {\n target.splice(key, 1);\n return\n }\n var ob = (target ).__ob__;\n if (target._isVue || (ob && ob.vmCount)) {\n \"development\" !== 'production' && warn(\n 'Avoid deleting properties on a Vue instance or its root $data ' +\n '- just set it to null.'\n );\n return\n }\n if (!hasOwn(target, key)) {\n return\n }\n delete target[key];\n if (!ob) {\n return\n }\n ob.dep.notify();\n}\n\n/**\n * Collect dependencies on array elements when the array is touched, since\n * we cannot intercept array element access like property getters.\n */\nfunction dependArray (value) {\n for (var e = (void 0), i = 0, l = value.length; i < l; i++) {\n e = value[i];\n e && e.__ob__ && e.__ob__.dep.depend();\n if (Array.isArray(e)) {\n dependArray(e);\n }\n }\n}\n\n/* */\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n */\nvar strats = config.optionMergeStrategies;\n\n/**\n * Options with restrictions\n */\n{\n strats.el = strats.propsData = function (parent, child, vm, key) {\n if (!vm) {\n warn(\n \"option \\\"\" + key + \"\\\" can only be used during instance \" +\n 'creation with the `new` keyword.'\n );\n }\n return defaultStrat(parent, child)\n };\n}\n\n/**\n * Helper that recursively merges two data objects together.\n */\nfunction mergeData (to, from) {\n if (!from) { return to }\n var key, toVal, fromVal;\n var keys = Object.keys(from);\n for (var i = 0; i < keys.length; i++) {\n key = keys[i];\n toVal = to[key];\n fromVal = from[key];\n if (!hasOwn(to, key)) {\n set(to, key, fromVal);\n } else if (isPlainObject(toVal) && isPlainObject(fromVal)) {\n mergeData(toVal, fromVal);\n }\n }\n return to\n}\n\n/**\n * Data\n */\nstrats.data = function (\n parentVal,\n childVal,\n vm\n) {\n if (!vm) {\n // in a Vue.extend merge, both should be functions\n if (!childVal) {\n return parentVal\n }\n if (typeof childVal !== 'function') {\n \"development\" !== 'production' && warn(\n 'The \"data\" option should be a function ' +\n 'that returns a per-instance value in component ' +\n 'definitions.',\n vm\n );\n return parentVal\n }\n if (!parentVal) {\n return childVal\n }\n // when parentVal & childVal are both present,\n // we need to return a function that returns the\n // merged result of both functions... no need to\n // check if parentVal is a function here because\n // it has to be a function to pass previous merges.\n return function mergedDataFn () {\n return mergeData(\n childVal.call(this),\n parentVal.call(this)\n )\n }\n } else if (parentVal || childVal) {\n return function mergedInstanceDataFn () {\n // instance merge\n var instanceData = typeof childVal === 'function'\n ? childVal.call(vm)\n : childVal;\n var defaultData = typeof parentVal === 'function'\n ? parentVal.call(vm)\n : undefined;\n if (instanceData) {\n return mergeData(instanceData, defaultData)\n } else {\n return defaultData\n }\n }\n }\n};\n\n/**\n * Hooks and props are merged as arrays.\n */\nfunction mergeHook (\n parentVal,\n childVal\n) {\n return childVal\n ? parentVal\n ? parentVal.concat(childVal)\n : Array.isArray(childVal)\n ? childVal\n : [childVal]\n : parentVal\n}\n\nconfig._lifecycleHooks.forEach(function (hook) {\n strats[hook] = mergeHook;\n});\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\nfunction mergeAssets (parentVal, childVal) {\n var res = Object.create(parentVal || null);\n return childVal\n ? extend(res, childVal)\n : res\n}\n\nconfig._assetTypes.forEach(function (type) {\n strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Watchers.\n *\n * Watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\nstrats.watch = function (parentVal, childVal) {\n /* istanbul ignore if */\n if (!childVal) { return Object.create(parentVal || null) }\n if (!parentVal) { return childVal }\n var ret = {};\n extend(ret, parentVal);\n for (var key in childVal) {\n var parent = ret[key];\n var child = childVal[key];\n if (parent && !Array.isArray(parent)) {\n parent = [parent];\n }\n ret[key] = parent\n ? parent.concat(child)\n : [child];\n }\n return ret\n};\n\n/**\n * Other object hashes.\n */\nstrats.props =\nstrats.methods =\nstrats.computed = function (parentVal, childVal) {\n if (!childVal) { return Object.create(parentVal || null) }\n if (!parentVal) { return childVal }\n var ret = Object.create(null);\n extend(ret, parentVal);\n extend(ret, childVal);\n return ret\n};\n\n/**\n * Default strategy.\n */\nvar defaultStrat = function (parentVal, childVal) {\n return childVal === undefined\n ? parentVal\n : childVal\n};\n\n/**\n * Validate component names\n */\nfunction checkComponents (options) {\n for (var key in options.components) {\n var lower = key.toLowerCase();\n if (isBuiltInTag(lower) || config.isReservedTag(lower)) {\n warn(\n 'Do not use built-in or reserved HTML elements as component ' +\n 'id: ' + key\n );\n }\n }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n */\nfunction normalizeProps (options) {\n var props = options.props;\n if (!props) { return }\n var res = {};\n var i, val, name;\n if (Array.isArray(props)) {\n i = props.length;\n while (i--) {\n val = props[i];\n if (typeof val === 'string') {\n name = camelize(val);\n res[name] = { type: null };\n } else {\n warn('props must be strings when using array syntax.');\n }\n }\n } else if (isPlainObject(props)) {\n for (var key in props) {\n val = props[key];\n name = camelize(key);\n res[name] = isPlainObject(val)\n ? val\n : { type: val };\n }\n }\n options.props = res;\n}\n\n/**\n * Normalize raw function directives into object format.\n */\nfunction normalizeDirectives (options) {\n var dirs = options.directives;\n if (dirs) {\n for (var key in dirs) {\n var def = dirs[key];\n if (typeof def === 'function') {\n dirs[key] = { bind: def, update: def };\n }\n }\n }\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n */\nfunction mergeOptions (\n parent,\n child,\n vm\n) {\n {\n checkComponents(child);\n }\n normalizeProps(child);\n normalizeDirectives(child);\n var extendsFrom = child.extends;\n if (extendsFrom) {\n parent = typeof extendsFrom === 'function'\n ? mergeOptions(parent, extendsFrom.options, vm)\n : mergeOptions(parent, extendsFrom, vm);\n }\n if (child.mixins) {\n for (var i = 0, l = child.mixins.length; i < l; i++) {\n var mixin = child.mixins[i];\n if (mixin.prototype instanceof Vue$3) {\n mixin = mixin.options;\n }\n parent = mergeOptions(parent, mixin, vm);\n }\n }\n var options = {};\n var key;\n for (key in parent) {\n mergeField(key);\n }\n for (key in child) {\n if (!hasOwn(parent, key)) {\n mergeField(key);\n }\n }\n function mergeField (key) {\n var strat = strats[key] || defaultStrat;\n options[key] = strat(parent[key], child[key], vm, key);\n }\n return options\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n */\nfunction resolveAsset (\n options,\n type,\n id,\n warnMissing\n) {\n /* istanbul ignore if */\n if (typeof id !== 'string') {\n return\n }\n var assets = options[type];\n // check local registration variations first\n if (hasOwn(assets, id)) { return assets[id] }\n var camelizedId = camelize(id);\n if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }\n var PascalCaseId = capitalize(camelizedId);\n if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }\n // fallback to prototype chain\n var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];\n if (\"development\" !== 'production' && warnMissing && !res) {\n warn(\n 'Failed to resolve ' + type.slice(0, -1) + ': ' + id,\n options\n );\n }\n return res\n}\n\n/* */\n\nfunction validateProp (\n key,\n propOptions,\n propsData,\n vm\n) {\n var prop = propOptions[key];\n var absent = !hasOwn(propsData, key);\n var value = propsData[key];\n // handle boolean props\n if (isType(Boolean, prop.type)) {\n if (absent && !hasOwn(prop, 'default')) {\n value = false;\n } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {\n value = true;\n }\n }\n // check default value\n if (value === undefined) {\n value = getPropDefaultValue(vm, prop, key);\n // since the default value is a fresh copy,\n // make sure to observe it.\n var prevShouldConvert = observerState.shouldConvert;\n observerState.shouldConvert = true;\n observe(value);\n observerState.shouldConvert = prevShouldConvert;\n }\n {\n assertProp(prop, key, value, vm, absent);\n }\n return value\n}\n\n/**\n * Get the default value of a prop.\n */\nfunction getPropDefaultValue (vm, prop, key) {\n // no default, return undefined\n if (!hasOwn(prop, 'default')) {\n return undefined\n }\n var def = prop.default;\n // warn against non-factory defaults for Object & Array\n if (\"development\" !== 'production' && isObject(def)) {\n warn(\n 'Invalid default value for prop \"' + key + '\": ' +\n 'Props with type Object/Array must use a factory function ' +\n 'to return the default value.',\n vm\n );\n }\n // the raw prop value was also undefined from previous render,\n // return previous default value to avoid unnecessary watcher trigger\n if (vm && vm.$options.propsData &&\n vm.$options.propsData[key] === undefined &&\n vm._props[key] !== undefined) {\n return vm._props[key]\n }\n // call factory function for non-Function types\n // a value is Function if its prototype is function even across different execution context\n return typeof def === 'function' && getType(prop.type) !== 'Function'\n ? def.call(vm)\n : def\n}\n\n/**\n * Assert whether a prop is valid.\n */\nfunction assertProp (\n prop,\n name,\n value,\n vm,\n absent\n) {\n if (prop.required && absent) {\n warn(\n 'Missing required prop: \"' + name + '\"',\n vm\n );\n return\n }\n if (value == null && !prop.required) {\n return\n }\n var type = prop.type;\n var valid = !type || type === true;\n var expectedTypes = [];\n if (type) {\n if (!Array.isArray(type)) {\n type = [type];\n }\n for (var i = 0; i < type.length && !valid; i++) {\n var assertedType = assertType(value, type[i]);\n expectedTypes.push(assertedType.expectedType || '');\n valid = assertedType.valid;\n }\n }\n if (!valid) {\n warn(\n 'Invalid prop: type check failed for prop \"' + name + '\".' +\n ' Expected ' + expectedTypes.map(capitalize).join(', ') +\n ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.',\n vm\n );\n return\n }\n var validator = prop.validator;\n if (validator) {\n if (!validator(value)) {\n warn(\n 'Invalid prop: custom validator check failed for prop \"' + name + '\".',\n vm\n );\n }\n }\n}\n\n/**\n * Assert the type of a value\n */\nfunction assertType (value, type) {\n var valid;\n var expectedType = getType(type);\n if (expectedType === 'String') {\n valid = typeof value === (expectedType = 'string');\n } else if (expectedType === 'Number') {\n valid = typeof value === (expectedType = 'number');\n } else if (expectedType === 'Boolean') {\n valid = typeof value === (expectedType = 'boolean');\n } else if (expectedType === 'Function') {\n valid = typeof value === (expectedType = 'function');\n } else if (expectedType === 'Object') {\n valid = isPlainObject(value);\n } else if (expectedType === 'Array') {\n valid = Array.isArray(value);\n } else {\n valid = value instanceof type;\n }\n return {\n valid: valid,\n expectedType: expectedType\n }\n}\n\n/**\n * Use function string name to check built-in types,\n * because a simple equality check will fail when running\n * across different vms / iframes.\n */\nfunction getType (fn) {\n var match = fn && fn.toString().match(/^\\s*function (\\w+)/);\n return match && match[1]\n}\n\nfunction isType (type, fn) {\n if (!Array.isArray(fn)) {\n return getType(fn) === getType(type)\n }\n for (var i = 0, len = fn.length; i < len; i++) {\n if (getType(fn[i]) === getType(type)) {\n return true\n }\n }\n /* istanbul ignore next */\n return false\n}\n\nfunction handleError (err, vm, info) {\n if (config.errorHandler) {\n config.errorHandler.call(null, err, vm, info);\n } else {\n {\n warn((\"Error in \" + info + \":\"), vm);\n }\n /* istanbul ignore else */\n if (inBrowser && typeof console !== 'undefined') {\n console.error(err);\n } else {\n throw err\n }\n }\n}\n\n/* not type checking this file because flow doesn't play well with Proxy */\n\nvar initProxy;\n\n{\n var allowedGlobals = makeMap(\n 'Infinity,undefined,NaN,isFinite,isNaN,' +\n 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +\n 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +\n 'require' // for Webpack/Browserify\n );\n\n var warnNonPresent = function (target, key) {\n warn(\n \"Property or method \\\"\" + key + \"\\\" is not defined on the instance but \" +\n \"referenced during render. Make sure to declare reactive data \" +\n \"properties in the data option.\",\n target\n );\n };\n\n var hasProxy =\n typeof Proxy !== 'undefined' &&\n Proxy.toString().match(/native code/);\n\n if (hasProxy) {\n var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');\n config.keyCodes = new Proxy(config.keyCodes, {\n set: function set (target, key, value) {\n if (isBuiltInModifier(key)) {\n warn((\"Avoid overwriting built-in modifier in config.keyCodes: .\" + key));\n return false\n } else {\n target[key] = value;\n return true\n }\n }\n });\n }\n\n var hasHandler = {\n has: function has (target, key) {\n var has = key in target;\n var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';\n if (!has && !isAllowed) {\n warnNonPresent(target, key);\n }\n return has || !isAllowed\n }\n };\n\n var getHandler = {\n get: function get (target, key) {\n if (typeof key === 'string' && !(key in target)) {\n warnNonPresent(target, key);\n }\n return target[key]\n }\n };\n\n initProxy = function initProxy (vm) {\n if (hasProxy) {\n // determine which proxy handler to use\n var options = vm.$options;\n var handlers = options.render && options.render._withStripped\n ? getHandler\n : hasHandler;\n vm._renderProxy = new Proxy(vm, handlers);\n } else {\n vm._renderProxy = vm;\n }\n };\n}\n\nvar mark;\nvar measure;\n\n{\n var perf = inBrowser && window.performance;\n /* istanbul ignore if */\n if (\n perf &&\n perf.mark &&\n perf.measure &&\n perf.clearMarks &&\n perf.clearMeasures\n ) {\n mark = function (tag) { return perf.mark(tag); };\n measure = function (name, startTag, endTag) {\n perf.measure(name, startTag, endTag);\n perf.clearMarks(startTag);\n perf.clearMarks(endTag);\n perf.clearMeasures(name);\n };\n }\n}\n\n/* */\n\nvar VNode = function VNode (\n tag,\n data,\n children,\n text,\n elm,\n context,\n componentOptions\n) {\n this.tag = tag;\n this.data = data;\n this.children = children;\n this.text = text;\n this.elm = elm;\n this.ns = undefined;\n this.context = context;\n this.functionalContext = undefined;\n this.key = data && data.key;\n this.componentOptions = componentOptions;\n this.componentInstance = undefined;\n this.parent = undefined;\n this.raw = false;\n this.isStatic = false;\n this.isRootInsert = true;\n this.isComment = false;\n this.isCloned = false;\n this.isOnce = false;\n};\n\nvar prototypeAccessors = { child: {} };\n\n// DEPRECATED: alias for componentInstance for backwards compat.\n/* istanbul ignore next */\nprototypeAccessors.child.get = function () {\n return this.componentInstance\n};\n\nObject.defineProperties( VNode.prototype, prototypeAccessors );\n\nvar createEmptyVNode = function () {\n var node = new VNode();\n node.text = '';\n node.isComment = true;\n return node\n};\n\nfunction createTextVNode (val) {\n return new VNode(undefined, undefined, undefined, String(val))\n}\n\n// optimized shallow clone\n// used for static nodes and slot nodes because they may be reused across\n// multiple renders, cloning them avoids errors when DOM manipulations rely\n// on their elm reference.\nfunction cloneVNode (vnode) {\n var cloned = new VNode(\n vnode.tag,\n vnode.data,\n vnode.children,\n vnode.text,\n vnode.elm,\n vnode.context,\n vnode.componentOptions\n );\n cloned.ns = vnode.ns;\n cloned.isStatic = vnode.isStatic;\n cloned.key = vnode.key;\n cloned.isCloned = true;\n return cloned\n}\n\nfunction cloneVNodes (vnodes) {\n var len = vnodes.length;\n var res = new Array(len);\n for (var i = 0; i < len; i++) {\n res[i] = cloneVNode(vnodes[i]);\n }\n return res\n}\n\n/* */\n\nvar normalizeEvent = cached(function (name) {\n var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first\n name = once$$1 ? name.slice(1) : name;\n var capture = name.charAt(0) === '!';\n name = capture ? name.slice(1) : name;\n return {\n name: name,\n once: once$$1,\n capture: capture\n }\n});\n\nfunction createFnInvoker (fns) {\n function invoker () {\n var arguments$1 = arguments;\n\n var fns = invoker.fns;\n if (Array.isArray(fns)) {\n for (var i = 0; i < fns.length; i++) {\n fns[i].apply(null, arguments$1);\n }\n } else {\n // return handler return value for single handlers\n return fns.apply(null, arguments)\n }\n }\n invoker.fns = fns;\n return invoker\n}\n\nfunction updateListeners (\n on,\n oldOn,\n add,\n remove$$1,\n vm\n) {\n var name, cur, old, event;\n for (name in on) {\n cur = on[name];\n old = oldOn[name];\n event = normalizeEvent(name);\n if (!cur) {\n \"development\" !== 'production' && warn(\n \"Invalid handler for event \\\"\" + (event.name) + \"\\\": got \" + String(cur),\n vm\n );\n } else if (!old) {\n if (!cur.fns) {\n cur = on[name] = createFnInvoker(cur);\n }\n add(event.name, cur, event.once, event.capture);\n } else if (cur !== old) {\n old.fns = cur;\n on[name] = old;\n }\n }\n for (name in oldOn) {\n if (!on[name]) {\n event = normalizeEvent(name);\n remove$$1(event.name, oldOn[name], event.capture);\n }\n }\n}\n\n/* */\n\nfunction mergeVNodeHook (def, hookKey, hook) {\n var invoker;\n var oldHook = def[hookKey];\n\n function wrappedHook () {\n hook.apply(this, arguments);\n // important: remove merged hook to ensure it's called only once\n // and prevent memory leak\n remove(invoker.fns, wrappedHook);\n }\n\n if (!oldHook) {\n // no existing hook\n invoker = createFnInvoker([wrappedHook]);\n } else {\n /* istanbul ignore if */\n if (oldHook.fns && oldHook.merged) {\n // already a merged invoker\n invoker = oldHook;\n invoker.fns.push(wrappedHook);\n } else {\n // existing plain hook\n invoker = createFnInvoker([oldHook, wrappedHook]);\n }\n }\n\n invoker.merged = true;\n def[hookKey] = invoker;\n}\n\n/* */\n\n// The template compiler attempts to minimize the need for normalization by\n// statically analyzing the template at compile time.\n//\n// For plain HTML markup, normalization can be completely skipped because the\n// generated render function is guaranteed to return Array. There are\n// two cases where extra normalization is needed:\n\n// 1. When the children contains components - because a functional component\n// may return an Array instead of a single root. In this case, just a simple\n// normalization is needed - if any child is an Array, we flatten the whole\n// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep\n// because functional components already normalize their own children.\nfunction simpleNormalizeChildren (children) {\n for (var i = 0; i < children.length; i++) {\n if (Array.isArray(children[i])) {\n return Array.prototype.concat.apply([], children)\n }\n }\n return children\n}\n\n// 2. When the children contains constructs that always generated nested Arrays,\n// e.g. , , v-for, or when the children is provided by user\n// with hand-written render functions / JSX. In such cases a full normalization\n// is needed to cater to all possible types of children values.\nfunction normalizeChildren (children) {\n return isPrimitive(children)\n ? [createTextVNode(children)]\n : Array.isArray(children)\n ? normalizeArrayChildren(children)\n : undefined\n}\n\nfunction normalizeArrayChildren (children, nestedIndex) {\n var res = [];\n var i, c, last;\n for (i = 0; i < children.length; i++) {\n c = children[i];\n if (c == null || typeof c === 'boolean') { continue }\n last = res[res.length - 1];\n // nested\n if (Array.isArray(c)) {\n res.push.apply(res, normalizeArrayChildren(c, ((nestedIndex || '') + \"_\" + i)));\n } else if (isPrimitive(c)) {\n if (last && last.text) {\n last.text += String(c);\n } else if (c !== '') {\n // convert primitive to vnode\n res.push(createTextVNode(c));\n }\n } else {\n if (c.text && last && last.text) {\n res[res.length - 1] = createTextVNode(last.text + c.text);\n } else {\n // default key for nested array children (likely generated by v-for)\n if (c.tag && c.key == null && nestedIndex != null) {\n c.key = \"__vlist\" + nestedIndex + \"_\" + i + \"__\";\n }\n res.push(c);\n }\n }\n }\n return res\n}\n\n/* */\n\nfunction getFirstComponentChild (children) {\n return children && children.filter(function (c) { return c && c.componentOptions; })[0]\n}\n\n/* */\n\nfunction initEvents (vm) {\n vm._events = Object.create(null);\n vm._hasHookEvent = false;\n // init parent attached events\n var listeners = vm.$options._parentListeners;\n if (listeners) {\n updateComponentListeners(vm, listeners);\n }\n}\n\nvar target;\n\nfunction add (event, fn, once$$1) {\n if (once$$1) {\n target.$once(event, fn);\n } else {\n target.$on(event, fn);\n }\n}\n\nfunction remove$1 (event, fn) {\n target.$off(event, fn);\n}\n\nfunction updateComponentListeners (\n vm,\n listeners,\n oldListeners\n) {\n target = vm;\n updateListeners(listeners, oldListeners || {}, add, remove$1, vm);\n}\n\nfunction eventsMixin (Vue) {\n var hookRE = /^hook:/;\n Vue.prototype.$on = function (event, fn) {\n var this$1 = this;\n\n var vm = this;\n if (Array.isArray(event)) {\n for (var i = 0, l = event.length; i < l; i++) {\n this$1.$on(event[i], fn);\n }\n } else {\n (vm._events[event] || (vm._events[event] = [])).push(fn);\n // optimize hook:event cost by using a boolean flag marked at registration\n // instead of a hash lookup\n if (hookRE.test(event)) {\n vm._hasHookEvent = true;\n }\n }\n return vm\n };\n\n Vue.prototype.$once = function (event, fn) {\n var vm = this;\n function on () {\n vm.$off(event, on);\n fn.apply(vm, arguments);\n }\n on.fn = fn;\n vm.$on(event, on);\n return vm\n };\n\n Vue.prototype.$off = function (event, fn) {\n var this$1 = this;\n\n var vm = this;\n // all\n if (!arguments.length) {\n vm._events = Object.create(null);\n return vm\n }\n // array of events\n if (Array.isArray(event)) {\n for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {\n this$1.$off(event[i$1], fn);\n }\n return vm\n }\n // specific event\n var cbs = vm._events[event];\n if (!cbs) {\n return vm\n }\n if (arguments.length === 1) {\n vm._events[event] = null;\n return vm\n }\n // specific handler\n var cb;\n var i = cbs.length;\n while (i--) {\n cb = cbs[i];\n if (cb === fn || cb.fn === fn) {\n cbs.splice(i, 1);\n break\n }\n }\n return vm\n };\n\n Vue.prototype.$emit = function (event) {\n var vm = this;\n {\n var lowerCaseEvent = event.toLowerCase();\n if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {\n tip(\n \"Event \\\"\" + lowerCaseEvent + \"\\\" is emitted in component \" +\n (formatComponentName(vm)) + \" but the handler is registered for \\\"\" + event + \"\\\". \" +\n \"Note that HTML attributes are case-insensitive and you cannot use \" +\n \"v-on to listen to camelCase events when using in-DOM templates. \" +\n \"You should probably use \\\"\" + (hyphenate(event)) + \"\\\" instead of \\\"\" + event + \"\\\".\"\n );\n }\n }\n var cbs = vm._events[event];\n if (cbs) {\n cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n var args = toArray(arguments, 1);\n for (var i = 0, l = cbs.length; i < l; i++) {\n cbs[i].apply(vm, args);\n }\n }\n return vm\n };\n}\n\n/* */\n\n/**\n * Runtime helper for resolving raw children VNodes into a slot object.\n */\nfunction resolveSlots (\n children,\n context\n) {\n var slots = {};\n if (!children) {\n return slots\n }\n var defaultSlot = [];\n var name, child;\n for (var i = 0, l = children.length; i < l; i++) {\n child = children[i];\n // named slots should only be respected if the vnode was rendered in the\n // same context.\n if ((child.context === context || child.functionalContext === context) &&\n child.data && (name = child.data.slot)) {\n var slot = (slots[name] || (slots[name] = []));\n if (child.tag === 'template') {\n slot.push.apply(slot, child.children);\n } else {\n slot.push(child);\n }\n } else {\n defaultSlot.push(child);\n }\n }\n // ignore whitespace\n if (!defaultSlot.every(isWhitespace)) {\n slots.default = defaultSlot;\n }\n return slots\n}\n\nfunction isWhitespace (node) {\n return node.isComment || node.text === ' '\n}\n\nfunction resolveScopedSlots (\n fns\n) {\n var res = {};\n for (var i = 0; i < fns.length; i++) {\n res[fns[i][0]] = fns[i][1];\n }\n return res\n}\n\n/* */\n\nvar activeInstance = null;\n\nfunction initLifecycle (vm) {\n var options = vm.$options;\n\n // locate first non-abstract parent\n var parent = options.parent;\n if (parent && !options.abstract) {\n while (parent.$options.abstract && parent.$parent) {\n parent = parent.$parent;\n }\n parent.$children.push(vm);\n }\n\n vm.$parent = parent;\n vm.$root = parent ? parent.$root : vm;\n\n vm.$children = [];\n vm.$refs = {};\n\n vm._watcher = null;\n vm._inactive = null;\n vm._directInactive = false;\n vm._isMounted = false;\n vm._isDestroyed = false;\n vm._isBeingDestroyed = false;\n}\n\nfunction lifecycleMixin (Vue) {\n Vue.prototype._update = function (vnode, hydrating) {\n var vm = this;\n if (vm._isMounted) {\n callHook(vm, 'beforeUpdate');\n }\n var prevEl = vm.$el;\n var prevVnode = vm._vnode;\n var prevActiveInstance = activeInstance;\n activeInstance = vm;\n vm._vnode = vnode;\n // Vue.prototype.__patch__ is injected in entry points\n // based on the rendering backend used.\n if (!prevVnode) {\n // initial render\n vm.$el = vm.__patch__(\n vm.$el, vnode, hydrating, false /* removeOnly */,\n vm.$options._parentElm,\n vm.$options._refElm\n );\n } else {\n // updates\n vm.$el = vm.__patch__(prevVnode, vnode);\n }\n activeInstance = prevActiveInstance;\n // update __vue__ reference\n if (prevEl) {\n prevEl.__vue__ = null;\n }\n if (vm.$el) {\n vm.$el.__vue__ = vm;\n }\n // if parent is an HOC, update its $el as well\n if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {\n vm.$parent.$el = vm.$el;\n }\n // updated hook is called by the scheduler to ensure that children are\n // updated in a parent's updated hook.\n };\n\n Vue.prototype.$forceUpdate = function () {\n var vm = this;\n if (vm._watcher) {\n vm._watcher.update();\n }\n };\n\n Vue.prototype.$destroy = function () {\n var vm = this;\n if (vm._isBeingDestroyed) {\n return\n }\n callHook(vm, 'beforeDestroy');\n vm._isBeingDestroyed = true;\n // remove self from parent\n var parent = vm.$parent;\n if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {\n remove(parent.$children, vm);\n }\n // teardown watchers\n if (vm._watcher) {\n vm._watcher.teardown();\n }\n var i = vm._watchers.length;\n while (i--) {\n vm._watchers[i].teardown();\n }\n // remove reference from data ob\n // frozen object may not have observer.\n if (vm._data.__ob__) {\n vm._data.__ob__.vmCount--;\n }\n // call the last hook...\n vm._isDestroyed = true;\n // invoke destroy hooks on current rendered tree\n vm.__patch__(vm._vnode, null);\n // fire destroyed hook\n callHook(vm, 'destroyed');\n // turn off all instance listeners.\n vm.$off();\n // remove __vue__ reference\n if (vm.$el) {\n vm.$el.__vue__ = null;\n }\n // remove reference to DOM nodes (prevents leak)\n vm.$options._parentElm = vm.$options._refElm = null;\n };\n}\n\nfunction mountComponent (\n vm,\n el,\n hydrating\n) {\n vm.$el = el;\n if (!vm.$options.render) {\n vm.$options.render = createEmptyVNode;\n {\n /* istanbul ignore if */\n if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||\n vm.$options.el || el) {\n warn(\n 'You are using the runtime-only build of Vue where the template ' +\n 'compiler is not available. Either pre-compile the templates into ' +\n 'render functions, or use the compiler-included build.',\n vm\n );\n } else {\n warn(\n 'Failed to mount component: template or render function not defined.',\n vm\n );\n }\n }\n }\n callHook(vm, 'beforeMount');\n\n var updateComponent;\n /* istanbul ignore if */\n if (\"development\" !== 'production' && config.performance && mark) {\n updateComponent = function () {\n var name = vm._name;\n var id = vm._uid;\n var startTag = \"vue-perf-start:\" + id;\n var endTag = \"vue-perf-end:\" + id;\n\n mark(startTag);\n var vnode = vm._render();\n mark(endTag);\n measure((name + \" render\"), startTag, endTag);\n\n mark(startTag);\n vm._update(vnode, hydrating);\n mark(endTag);\n measure((name + \" patch\"), startTag, endTag);\n };\n } else {\n updateComponent = function () {\n vm._update(vm._render(), hydrating);\n };\n }\n\n vm._watcher = new Watcher(vm, updateComponent, noop);\n hydrating = false;\n\n // manually mounted instance, call mounted on self\n // mounted is called for render-created child components in its inserted hook\n if (vm.$vnode == null) {\n vm._isMounted = true;\n callHook(vm, 'mounted');\n }\n return vm\n}\n\nfunction updateChildComponent (\n vm,\n propsData,\n listeners,\n parentVnode,\n renderChildren\n) {\n // determine whether component has slot children\n // we need to do this before overwriting $options._renderChildren\n var hasChildren = !!(\n renderChildren || // has new static slots\n vm.$options._renderChildren || // has old static slots\n parentVnode.data.scopedSlots || // has new scoped slots\n vm.$scopedSlots !== emptyObject // has old scoped slots\n );\n\n vm.$options._parentVnode = parentVnode;\n vm.$vnode = parentVnode; // update vm's placeholder node without re-render\n if (vm._vnode) { // update child tree's parent\n vm._vnode.parent = parentVnode;\n }\n vm.$options._renderChildren = renderChildren;\n\n // update props\n if (propsData && vm.$options.props) {\n observerState.shouldConvert = false;\n {\n observerState.isSettingProps = true;\n }\n var props = vm._props;\n var propKeys = vm.$options._propKeys || [];\n for (var i = 0; i < propKeys.length; i++) {\n var key = propKeys[i];\n props[key] = validateProp(key, vm.$options.props, propsData, vm);\n }\n observerState.shouldConvert = true;\n {\n observerState.isSettingProps = false;\n }\n // keep a copy of raw propsData\n vm.$options.propsData = propsData;\n }\n // update listeners\n if (listeners) {\n var oldListeners = vm.$options._parentListeners;\n vm.$options._parentListeners = listeners;\n updateComponentListeners(vm, listeners, oldListeners);\n }\n // resolve slots + force update if has children\n if (hasChildren) {\n vm.$slots = resolveSlots(renderChildren, parentVnode.context);\n vm.$forceUpdate();\n }\n}\n\nfunction isInInactiveTree (vm) {\n while (vm && (vm = vm.$parent)) {\n if (vm._inactive) { return true }\n }\n return false\n}\n\nfunction activateChildComponent (vm, direct) {\n if (direct) {\n vm._directInactive = false;\n if (isInInactiveTree(vm)) {\n return\n }\n } else if (vm._directInactive) {\n return\n }\n if (vm._inactive || vm._inactive == null) {\n vm._inactive = false;\n for (var i = 0; i < vm.$children.length; i++) {\n activateChildComponent(vm.$children[i]);\n }\n callHook(vm, 'activated');\n }\n}\n\nfunction deactivateChildComponent (vm, direct) {\n if (direct) {\n vm._directInactive = true;\n if (isInInactiveTree(vm)) {\n return\n }\n }\n if (!vm._inactive) {\n vm._inactive = true;\n for (var i = 0; i < vm.$children.length; i++) {\n deactivateChildComponent(vm.$children[i]);\n }\n callHook(vm, 'deactivated');\n }\n}\n\nfunction callHook (vm, hook) {\n var handlers = vm.$options[hook];\n if (handlers) {\n for (var i = 0, j = handlers.length; i < j; i++) {\n try {\n handlers[i].call(vm);\n } catch (e) {\n handleError(e, vm, (hook + \" hook\"));\n }\n }\n }\n if (vm._hasHookEvent) {\n vm.$emit('hook:' + hook);\n }\n}\n\n/* */\n\n\nvar queue = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar flushing = false;\nvar index = 0;\n\n/**\n * Reset the scheduler's state.\n */\nfunction resetSchedulerState () {\n queue.length = 0;\n has = {};\n {\n circular = {};\n }\n waiting = flushing = false;\n}\n\n/**\n * Flush both queues and run the watchers.\n */\nfunction flushSchedulerQueue () {\n flushing = true;\n var watcher, id, vm;\n\n // Sort queue before flush.\n // This ensures that:\n // 1. Components are updated from parent to child. (because parent is always\n // created before the child)\n // 2. A component's user watchers are run before its render watcher (because\n // user watchers are created before the render watcher)\n // 3. If a component is destroyed during a parent component's watcher run,\n // its watchers can be skipped.\n queue.sort(function (a, b) { return a.id - b.id; });\n\n // do not cache length because more watchers might be pushed\n // as we run existing watchers\n for (index = 0; index < queue.length; index++) {\n watcher = queue[index];\n id = watcher.id;\n has[id] = null;\n watcher.run();\n // in dev build, check and stop circular updates.\n if (\"development\" !== 'production' && has[id] != null) {\n circular[id] = (circular[id] || 0) + 1;\n if (circular[id] > config._maxUpdateCount) {\n warn(\n 'You may have an infinite update loop ' + (\n watcher.user\n ? (\"in watcher with expression \\\"\" + (watcher.expression) + \"\\\"\")\n : \"in a component render function.\"\n ),\n watcher.vm\n );\n break\n }\n }\n }\n\n // reset scheduler before updated hook called\n var oldQueue = queue.slice();\n resetSchedulerState();\n\n // call updated hooks\n index = oldQueue.length;\n while (index--) {\n watcher = oldQueue[index];\n vm = watcher.vm;\n if (vm._watcher === watcher && vm._isMounted) {\n callHook(vm, 'updated');\n }\n }\n\n // devtool hook\n /* istanbul ignore if */\n if (devtools && config.devtools) {\n devtools.emit('flush');\n }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n */\nfunction queueWatcher (watcher) {\n var id = watcher.id;\n if (has[id] == null) {\n has[id] = true;\n if (!flushing) {\n queue.push(watcher);\n } else {\n // if already flushing, splice the watcher based on its id\n // if already past its id, it will be run next immediately.\n var i = queue.length - 1;\n while (i >= 0 && queue[i].id > watcher.id) {\n i--;\n }\n queue.splice(Math.max(i, index) + 1, 0, watcher);\n }\n // queue the flush\n if (!waiting) {\n waiting = true;\n nextTick(flushSchedulerQueue);\n }\n }\n}\n\n/* */\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n */\nvar Watcher = function Watcher (\n vm,\n expOrFn,\n cb,\n options\n) {\n this.vm = vm;\n vm._watchers.push(this);\n // options\n if (options) {\n this.deep = !!options.deep;\n this.user = !!options.user;\n this.lazy = !!options.lazy;\n this.sync = !!options.sync;\n } else {\n this.deep = this.user = this.lazy = this.sync = false;\n }\n this.cb = cb;\n this.id = ++uid$2; // uid for batching\n this.active = true;\n this.dirty = this.lazy; // for lazy watchers\n this.deps = [];\n this.newDeps = [];\n this.depIds = new _Set();\n this.newDepIds = new _Set();\n this.expression = expOrFn.toString();\n // parse expression for getter\n if (typeof expOrFn === 'function') {\n this.getter = expOrFn;\n } else {\n this.getter = parsePath(expOrFn);\n if (!this.getter) {\n this.getter = function () {};\n \"development\" !== 'production' && warn(\n \"Failed watching path: \\\"\" + expOrFn + \"\\\" \" +\n 'Watcher only accepts simple dot-delimited paths. ' +\n 'For full control, use a function instead.',\n vm\n );\n }\n }\n this.value = this.lazy\n ? undefined\n : this.get();\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\nWatcher.prototype.get = function get () {\n pushTarget(this);\n var value;\n var vm = this.vm;\n if (this.user) {\n try {\n value = this.getter.call(vm, vm);\n } catch (e) {\n handleError(e, vm, (\"getter for watcher \\\"\" + (this.expression) + \"\\\"\"));\n }\n } else {\n value = this.getter.call(vm, vm);\n }\n // \"touch\" every property so they are all tracked as\n // dependencies for deep watching\n if (this.deep) {\n traverse(value);\n }\n popTarget();\n this.cleanupDeps();\n return value\n};\n\n/**\n * Add a dependency to this directive.\n */\nWatcher.prototype.addDep = function addDep (dep) {\n var id = dep.id;\n if (!this.newDepIds.has(id)) {\n this.newDepIds.add(id);\n this.newDeps.push(dep);\n if (!this.depIds.has(id)) {\n dep.addSub(this);\n }\n }\n};\n\n/**\n * Clean up for dependency collection.\n */\nWatcher.prototype.cleanupDeps = function cleanupDeps () {\n var this$1 = this;\n\n var i = this.deps.length;\n while (i--) {\n var dep = this$1.deps[i];\n if (!this$1.newDepIds.has(dep.id)) {\n dep.removeSub(this$1);\n }\n }\n var tmp = this.depIds;\n this.depIds = this.newDepIds;\n this.newDepIds = tmp;\n this.newDepIds.clear();\n tmp = this.deps;\n this.deps = this.newDeps;\n this.newDeps = tmp;\n this.newDeps.length = 0;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n */\nWatcher.prototype.update = function update () {\n /* istanbul ignore else */\n if (this.lazy) {\n this.dirty = true;\n } else if (this.sync) {\n this.run();\n } else {\n queueWatcher(this);\n }\n};\n\n/**\n * Scheduler job interface.\n * Will be called by the scheduler.\n */\nWatcher.prototype.run = function run () {\n if (this.active) {\n var value = this.get();\n if (\n value !== this.value ||\n // Deep watchers and watchers on Object/Arrays should fire even\n // when the value is the same, because the value may\n // have mutated.\n isObject(value) ||\n this.deep\n ) {\n // set new value\n var oldValue = this.value;\n this.value = value;\n if (this.user) {\n try {\n this.cb.call(this.vm, value, oldValue);\n } catch (e) {\n handleError(e, this.vm, (\"callback for watcher \\\"\" + (this.expression) + \"\\\"\"));\n }\n } else {\n this.cb.call(this.vm, value, oldValue);\n }\n }\n }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\nWatcher.prototype.evaluate = function evaluate () {\n this.value = this.get();\n this.dirty = false;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\nWatcher.prototype.depend = function depend () {\n var this$1 = this;\n\n var i = this.deps.length;\n while (i--) {\n this$1.deps[i].depend();\n }\n};\n\n/**\n * Remove self from all dependencies' subscriber list.\n */\nWatcher.prototype.teardown = function teardown () {\n var this$1 = this;\n\n if (this.active) {\n // remove self from vm's watcher list\n // this is a somewhat expensive operation so we skip it\n // if the vm is being destroyed.\n if (!this.vm._isBeingDestroyed) {\n remove(this.vm._watchers, this);\n }\n var i = this.deps.length;\n while (i--) {\n this$1.deps[i].removeSub(this$1);\n }\n this.active = false;\n }\n};\n\n/**\n * Recursively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n */\nvar seenObjects = new _Set();\nfunction traverse (val) {\n seenObjects.clear();\n _traverse(val, seenObjects);\n}\n\nfunction _traverse (val, seen) {\n var i, keys;\n var isA = Array.isArray(val);\n if ((!isA && !isObject(val)) || !Object.isExtensible(val)) {\n return\n }\n if (val.__ob__) {\n var depId = val.__ob__.dep.id;\n if (seen.has(depId)) {\n return\n }\n seen.add(depId);\n }\n if (isA) {\n i = val.length;\n while (i--) { _traverse(val[i], seen); }\n } else {\n keys = Object.keys(val);\n i = keys.length;\n while (i--) { _traverse(val[keys[i]], seen); }\n }\n}\n\n/* */\n\nvar sharedPropertyDefinition = {\n enumerable: true,\n configurable: true,\n get: noop,\n set: noop\n};\n\nfunction proxy (target, sourceKey, key) {\n sharedPropertyDefinition.get = function proxyGetter () {\n return this[sourceKey][key]\n };\n sharedPropertyDefinition.set = function proxySetter (val) {\n this[sourceKey][key] = val;\n };\n Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction initState (vm) {\n vm._watchers = [];\n var opts = vm.$options;\n if (opts.props) { initProps(vm, opts.props); }\n if (opts.methods) { initMethods(vm, opts.methods); }\n if (opts.data) {\n initData(vm);\n } else {\n observe(vm._data = {}, true /* asRootData */);\n }\n if (opts.computed) { initComputed(vm, opts.computed); }\n if (opts.watch) { initWatch(vm, opts.watch); }\n}\n\nvar isReservedProp = { key: 1, ref: 1, slot: 1 };\n\nfunction initProps (vm, propsOptions) {\n var propsData = vm.$options.propsData || {};\n var props = vm._props = {};\n // cache prop keys so that future props updates can iterate using Array\n // instead of dynamic object key enumeration.\n var keys = vm.$options._propKeys = [];\n var isRoot = !vm.$parent;\n // root instance props should be converted\n observerState.shouldConvert = isRoot;\n var loop = function ( key ) {\n keys.push(key);\n var value = validateProp(key, propsOptions, propsData, vm);\n /* istanbul ignore else */\n {\n if (isReservedProp[key]) {\n warn(\n (\"\\\"\" + key + \"\\\" is a reserved attribute and cannot be used as component prop.\"),\n vm\n );\n }\n defineReactive$$1(props, key, value, function () {\n if (vm.$parent && !observerState.isSettingProps) {\n warn(\n \"Avoid mutating a prop directly since the value will be \" +\n \"overwritten whenever the parent component re-renders. \" +\n \"Instead, use a data or computed property based on the prop's \" +\n \"value. Prop being mutated: \\\"\" + key + \"\\\"\",\n vm\n );\n }\n });\n }\n // static props are already proxied on the component's prototype\n // during Vue.extend(). We only need to proxy props defined at\n // instantiation here.\n if (!(key in vm)) {\n proxy(vm, \"_props\", key);\n }\n };\n\n for (var key in propsOptions) loop( key );\n observerState.shouldConvert = true;\n}\n\nfunction initData (vm) {\n var data = vm.$options.data;\n data = vm._data = typeof data === 'function'\n ? getData(data, vm)\n : data || {};\n if (!isPlainObject(data)) {\n data = {};\n \"development\" !== 'production' && warn(\n 'data functions should return an object:\\n' +\n 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',\n vm\n );\n }\n // proxy data on instance\n var keys = Object.keys(data);\n var props = vm.$options.props;\n var i = keys.length;\n while (i--) {\n if (props && hasOwn(props, keys[i])) {\n \"development\" !== 'production' && warn(\n \"The data property \\\"\" + (keys[i]) + \"\\\" is already declared as a prop. \" +\n \"Use prop default value instead.\",\n vm\n );\n } else if (!isReserved(keys[i])) {\n proxy(vm, \"_data\", keys[i]);\n }\n }\n // observe data\n observe(data, true /* asRootData */);\n}\n\nfunction getData (data, vm) {\n try {\n return data.call(vm)\n } catch (e) {\n handleError(e, vm, \"data()\");\n return {}\n }\n}\n\nvar computedWatcherOptions = { lazy: true };\n\nfunction initComputed (vm, computed) {\n var watchers = vm._computedWatchers = Object.create(null);\n\n for (var key in computed) {\n var userDef = computed[key];\n var getter = typeof userDef === 'function' ? userDef : userDef.get;\n {\n if (getter === undefined) {\n warn(\n (\"No getter function has been defined for computed property \\\"\" + key + \"\\\".\"),\n vm\n );\n getter = noop;\n }\n }\n // create internal watcher for the computed property.\n watchers[key] = new Watcher(vm, getter, noop, computedWatcherOptions);\n\n // component-defined computed properties are already defined on the\n // component prototype. We only need to define computed properties defined\n // at instantiation here.\n if (!(key in vm)) {\n defineComputed(vm, key, userDef);\n }\n }\n}\n\nfunction defineComputed (target, key, userDef) {\n if (typeof userDef === 'function') {\n sharedPropertyDefinition.get = createComputedGetter(key);\n sharedPropertyDefinition.set = noop;\n } else {\n sharedPropertyDefinition.get = userDef.get\n ? userDef.cache !== false\n ? createComputedGetter(key)\n : userDef.get\n : noop;\n sharedPropertyDefinition.set = userDef.set\n ? userDef.set\n : noop;\n }\n Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction createComputedGetter (key) {\n return function computedGetter () {\n var watcher = this._computedWatchers && this._computedWatchers[key];\n if (watcher) {\n if (watcher.dirty) {\n watcher.evaluate();\n }\n if (Dep.target) {\n watcher.depend();\n }\n return watcher.value\n }\n }\n}\n\nfunction initMethods (vm, methods) {\n var props = vm.$options.props;\n for (var key in methods) {\n vm[key] = methods[key] == null ? noop : bind(methods[key], vm);\n {\n if (methods[key] == null) {\n warn(\n \"method \\\"\" + key + \"\\\" has an undefined value in the component definition. \" +\n \"Did you reference the function correctly?\",\n vm\n );\n }\n if (props && hasOwn(props, key)) {\n warn(\n (\"method \\\"\" + key + \"\\\" has already been defined as a prop.\"),\n vm\n );\n }\n }\n }\n}\n\nfunction initWatch (vm, watch) {\n for (var key in watch) {\n var handler = watch[key];\n if (Array.isArray(handler)) {\n for (var i = 0; i < handler.length; i++) {\n createWatcher(vm, key, handler[i]);\n }\n } else {\n createWatcher(vm, key, handler);\n }\n }\n}\n\nfunction createWatcher (vm, key, handler) {\n var options;\n if (isPlainObject(handler)) {\n options = handler;\n handler = handler.handler;\n }\n if (typeof handler === 'string') {\n handler = vm[handler];\n }\n vm.$watch(key, handler, options);\n}\n\nfunction stateMixin (Vue) {\n // flow somehow has problems with directly declared definition object\n // when using Object.defineProperty, so we have to procedurally build up\n // the object here.\n var dataDef = {};\n dataDef.get = function () { return this._data };\n var propsDef = {};\n propsDef.get = function () { return this._props };\n {\n dataDef.set = function (newData) {\n warn(\n 'Avoid replacing instance root $data. ' +\n 'Use nested data properties instead.',\n this\n );\n };\n propsDef.set = function () {\n warn(\"$props is readonly.\", this);\n };\n }\n Object.defineProperty(Vue.prototype, '$data', dataDef);\n Object.defineProperty(Vue.prototype, '$props', propsDef);\n\n Vue.prototype.$set = set;\n Vue.prototype.$delete = del;\n\n Vue.prototype.$watch = function (\n expOrFn,\n cb,\n options\n ) {\n var vm = this;\n options = options || {};\n options.user = true;\n var watcher = new Watcher(vm, expOrFn, cb, options);\n if (options.immediate) {\n cb.call(vm, watcher.value);\n }\n return function unwatchFn () {\n watcher.teardown();\n }\n };\n}\n\n/* */\n\n// hooks to be invoked on component VNodes during patch\nvar componentVNodeHooks = {\n init: function init (\n vnode,\n hydrating,\n parentElm,\n refElm\n ) {\n if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {\n var child = vnode.componentInstance = createComponentInstanceForVnode(\n vnode,\n activeInstance,\n parentElm,\n refElm\n );\n child.$mount(hydrating ? vnode.elm : undefined, hydrating);\n } else if (vnode.data.keepAlive) {\n // kept-alive components, treat as a patch\n var mountedNode = vnode; // work around flow\n componentVNodeHooks.prepatch(mountedNode, mountedNode);\n }\n },\n\n prepatch: function prepatch (oldVnode, vnode) {\n var options = vnode.componentOptions;\n var child = vnode.componentInstance = oldVnode.componentInstance;\n updateChildComponent(\n child,\n options.propsData, // updated props\n options.listeners, // updated listeners\n vnode, // new parent vnode\n options.children // new children\n );\n },\n\n insert: function insert (vnode) {\n if (!vnode.componentInstance._isMounted) {\n vnode.componentInstance._isMounted = true;\n callHook(vnode.componentInstance, 'mounted');\n }\n if (vnode.data.keepAlive) {\n activateChildComponent(vnode.componentInstance, true /* direct */);\n }\n },\n\n destroy: function destroy (vnode) {\n if (!vnode.componentInstance._isDestroyed) {\n if (!vnode.data.keepAlive) {\n vnode.componentInstance.$destroy();\n } else {\n deactivateChildComponent(vnode.componentInstance, true /* direct */);\n }\n }\n }\n};\n\nvar hooksToMerge = Object.keys(componentVNodeHooks);\n\nfunction createComponent (\n Ctor,\n data,\n context,\n children,\n tag\n) {\n if (!Ctor) {\n return\n }\n\n var baseCtor = context.$options._base;\n if (isObject(Ctor)) {\n Ctor = baseCtor.extend(Ctor);\n }\n\n if (typeof Ctor !== 'function') {\n {\n warn((\"Invalid Component definition: \" + (String(Ctor))), context);\n }\n return\n }\n\n // async component\n if (!Ctor.cid) {\n if (Ctor.resolved) {\n Ctor = Ctor.resolved;\n } else {\n Ctor = resolveAsyncComponent(Ctor, baseCtor, function () {\n // it's ok to queue this on every render because\n // $forceUpdate is buffered by the scheduler.\n context.$forceUpdate();\n });\n if (!Ctor) {\n // return nothing if this is indeed an async component\n // wait for the callback to trigger parent update.\n return\n }\n }\n }\n\n // resolve constructor options in case global mixins are applied after\n // component constructor creation\n resolveConstructorOptions(Ctor);\n\n data = data || {};\n\n // transform component v-model data into props & events\n if (data.model) {\n transformModel(Ctor.options, data);\n }\n\n // extract props\n var propsData = extractProps(data, Ctor, tag);\n\n // functional component\n if (Ctor.options.functional) {\n return createFunctionalComponent(Ctor, propsData, data, context, children)\n }\n\n // extract listeners, since these needs to be treated as\n // child component listeners instead of DOM listeners\n var listeners = data.on;\n // replace with listeners with .native modifier\n data.on = data.nativeOn;\n\n if (Ctor.options.abstract) {\n // abstract components do not keep anything\n // other than props & listeners\n data = {};\n }\n\n // merge component management hooks onto the placeholder node\n mergeHooks(data);\n\n // return a placeholder vnode\n var name = Ctor.options.name || tag;\n var vnode = new VNode(\n (\"vue-component-\" + (Ctor.cid) + (name ? (\"-\" + name) : '')),\n data, undefined, undefined, undefined, context,\n { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }\n );\n return vnode\n}\n\nfunction createFunctionalComponent (\n Ctor,\n propsData,\n data,\n context,\n children\n) {\n var props = {};\n var propOptions = Ctor.options.props;\n if (propOptions) {\n for (var key in propOptions) {\n props[key] = validateProp(key, propOptions, propsData);\n }\n }\n // ensure the createElement function in functional components\n // gets a unique context - this is necessary for correct named slot check\n var _context = Object.create(context);\n var h = function (a, b, c, d) { return createElement(_context, a, b, c, d, true); };\n var vnode = Ctor.options.render.call(null, h, {\n props: props,\n data: data,\n parent: context,\n children: children,\n slots: function () { return resolveSlots(children, context); }\n });\n if (vnode instanceof VNode) {\n vnode.functionalContext = context;\n if (data.slot) {\n (vnode.data || (vnode.data = {})).slot = data.slot;\n }\n }\n return vnode\n}\n\nfunction createComponentInstanceForVnode (\n vnode, // we know it's MountedComponentVNode but flow doesn't\n parent, // activeInstance in lifecycle state\n parentElm,\n refElm\n) {\n var vnodeComponentOptions = vnode.componentOptions;\n var options = {\n _isComponent: true,\n parent: parent,\n propsData: vnodeComponentOptions.propsData,\n _componentTag: vnodeComponentOptions.tag,\n _parentVnode: vnode,\n _parentListeners: vnodeComponentOptions.listeners,\n _renderChildren: vnodeComponentOptions.children,\n _parentElm: parentElm || null,\n _refElm: refElm || null\n };\n // check inline-template render functions\n var inlineTemplate = vnode.data.inlineTemplate;\n if (inlineTemplate) {\n options.render = inlineTemplate.render;\n options.staticRenderFns = inlineTemplate.staticRenderFns;\n }\n return new vnodeComponentOptions.Ctor(options)\n}\n\nfunction resolveAsyncComponent (\n factory,\n baseCtor,\n cb\n) {\n if (factory.requested) {\n // pool callbacks\n factory.pendingCallbacks.push(cb);\n } else {\n factory.requested = true;\n var cbs = factory.pendingCallbacks = [cb];\n var sync = true;\n\n var resolve = function (res) {\n if (isObject(res)) {\n res = baseCtor.extend(res);\n }\n // cache resolved\n factory.resolved = res;\n // invoke callbacks only if this is not a synchronous resolve\n // (async resolves are shimmed as synchronous during SSR)\n if (!sync) {\n for (var i = 0, l = cbs.length; i < l; i++) {\n cbs[i](res);\n }\n }\n };\n\n var reject = function (reason) {\n \"development\" !== 'production' && warn(\n \"Failed to resolve async component: \" + (String(factory)) +\n (reason ? (\"\\nReason: \" + reason) : '')\n );\n };\n\n var res = factory(resolve, reject);\n\n // handle promise\n if (res && typeof res.then === 'function' && !factory.resolved) {\n res.then(resolve, reject);\n }\n\n sync = false;\n // return in case resolved synchronously\n return factory.resolved\n }\n}\n\nfunction extractProps (data, Ctor, tag) {\n // we are only extracting raw values here.\n // validation and default values are handled in the child\n // component itself.\n var propOptions = Ctor.options.props;\n if (!propOptions) {\n return\n }\n var res = {};\n var attrs = data.attrs;\n var props = data.props;\n var domProps = data.domProps;\n if (attrs || props || domProps) {\n for (var key in propOptions) {\n var altKey = hyphenate(key);\n {\n var keyInLowerCase = key.toLowerCase();\n if (\n key !== keyInLowerCase &&\n attrs && attrs.hasOwnProperty(keyInLowerCase)\n ) {\n tip(\n \"Prop \\\"\" + keyInLowerCase + \"\\\" is passed to component \" +\n (formatComponentName(tag || Ctor)) + \", but the declared prop name is\" +\n \" \\\"\" + key + \"\\\". \" +\n \"Note that HTML attributes are case-insensitive and camelCased \" +\n \"props need to use their kebab-case equivalents when using in-DOM \" +\n \"templates. You should probably use \\\"\" + altKey + \"\\\" instead of \\\"\" + key + \"\\\".\"\n );\n }\n }\n checkProp(res, props, key, altKey, true) ||\n checkProp(res, attrs, key, altKey) ||\n checkProp(res, domProps, key, altKey);\n }\n }\n return res\n}\n\nfunction checkProp (\n res,\n hash,\n key,\n altKey,\n preserve\n) {\n if (hash) {\n if (hasOwn(hash, key)) {\n res[key] = hash[key];\n if (!preserve) {\n delete hash[key];\n }\n return true\n } else if (hasOwn(hash, altKey)) {\n res[key] = hash[altKey];\n if (!preserve) {\n delete hash[altKey];\n }\n return true\n }\n }\n return false\n}\n\nfunction mergeHooks (data) {\n if (!data.hook) {\n data.hook = {};\n }\n for (var i = 0; i < hooksToMerge.length; i++) {\n var key = hooksToMerge[i];\n var fromParent = data.hook[key];\n var ours = componentVNodeHooks[key];\n data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;\n }\n}\n\nfunction mergeHook$1 (one, two) {\n return function (a, b, c, d) {\n one(a, b, c, d);\n two(a, b, c, d);\n }\n}\n\n// transform component v-model info (value and callback) into\n// prop and event handler respectively.\nfunction transformModel (options, data) {\n var prop = (options.model && options.model.prop) || 'value';\n var event = (options.model && options.model.event) || 'input';(data.props || (data.props = {}))[prop] = data.model.value;\n var on = data.on || (data.on = {});\n if (on[event]) {\n on[event] = [data.model.callback].concat(on[event]);\n } else {\n on[event] = data.model.callback;\n }\n}\n\n/* */\n\nvar SIMPLE_NORMALIZE = 1;\nvar ALWAYS_NORMALIZE = 2;\n\n// wrapper function for providing a more flexible interface\n// without getting yelled at by flow\nfunction createElement (\n context,\n tag,\n data,\n children,\n normalizationType,\n alwaysNormalize\n) {\n if (Array.isArray(data) || isPrimitive(data)) {\n normalizationType = children;\n children = data;\n data = undefined;\n }\n if (alwaysNormalize) { normalizationType = ALWAYS_NORMALIZE; }\n return _createElement(context, tag, data, children, normalizationType)\n}\n\nfunction _createElement (\n context,\n tag,\n data,\n children,\n normalizationType\n) {\n if (data && data.__ob__) {\n \"development\" !== 'production' && warn(\n \"Avoid using observed data object as vnode data: \" + (JSON.stringify(data)) + \"\\n\" +\n 'Always create fresh vnode data objects in each render!',\n context\n );\n return createEmptyVNode()\n }\n if (!tag) {\n // in case of component :is set to falsy value\n return createEmptyVNode()\n }\n // support single function children as default scoped slot\n if (Array.isArray(children) &&\n typeof children[0] === 'function') {\n data = data || {};\n data.scopedSlots = { default: children[0] };\n children.length = 0;\n }\n if (normalizationType === ALWAYS_NORMALIZE) {\n children = normalizeChildren(children);\n } else if (normalizationType === SIMPLE_NORMALIZE) {\n children = simpleNormalizeChildren(children);\n }\n var vnode, ns;\n if (typeof tag === 'string') {\n var Ctor;\n ns = config.getTagNamespace(tag);\n if (config.isReservedTag(tag)) {\n // platform built-in elements\n vnode = new VNode(\n config.parsePlatformTagName(tag), data, children,\n undefined, undefined, context\n );\n } else if ((Ctor = resolveAsset(context.$options, 'components', tag))) {\n // component\n vnode = createComponent(Ctor, data, context, children, tag);\n } else {\n // unknown or unlisted namespaced elements\n // check at runtime because it may get assigned a namespace when its\n // parent normalizes children\n vnode = new VNode(\n tag, data, children,\n undefined, undefined, context\n );\n }\n } else {\n // direct component options / constructor\n vnode = createComponent(tag, data, context, children);\n }\n if (vnode) {\n if (ns) { applyNS(vnode, ns); }\n return vnode\n } else {\n return createEmptyVNode()\n }\n}\n\nfunction applyNS (vnode, ns) {\n vnode.ns = ns;\n if (vnode.tag === 'foreignObject') {\n // use default namespace inside foreignObject\n return\n }\n if (vnode.children) {\n for (var i = 0, l = vnode.children.length; i < l; i++) {\n var child = vnode.children[i];\n if (child.tag && !child.ns) {\n applyNS(child, ns);\n }\n }\n }\n}\n\n/* */\n\n/**\n * Runtime helper for rendering v-for lists.\n */\nfunction renderList (\n val,\n render\n) {\n var ret, i, l, keys, key;\n if (Array.isArray(val) || typeof val === 'string') {\n ret = new Array(val.length);\n for (i = 0, l = val.length; i < l; i++) {\n ret[i] = render(val[i], i);\n }\n } else if (typeof val === 'number') {\n ret = new Array(val);\n for (i = 0; i < val; i++) {\n ret[i] = render(i + 1, i);\n }\n } else if (isObject(val)) {\n keys = Object.keys(val);\n ret = new Array(keys.length);\n for (i = 0, l = keys.length; i < l; i++) {\n key = keys[i];\n ret[i] = render(val[key], key, i);\n }\n }\n return ret\n}\n\n/* */\n\n/**\n * Runtime helper for rendering \n */\nfunction renderSlot (\n name,\n fallback,\n props,\n bindObject\n) {\n var scopedSlotFn = this.$scopedSlots[name];\n if (scopedSlotFn) { // scoped slot\n props = props || {};\n if (bindObject) {\n extend(props, bindObject);\n }\n return scopedSlotFn(props) || fallback\n } else {\n var slotNodes = this.$slots[name];\n // warn duplicate slot usage\n if (slotNodes && \"development\" !== 'production') {\n slotNodes._rendered && warn(\n \"Duplicate presence of slot \\\"\" + name + \"\\\" found in the same render tree \" +\n \"- this will likely cause render errors.\",\n this\n );\n slotNodes._rendered = true;\n }\n return slotNodes || fallback\n }\n}\n\n/* */\n\n/**\n * Runtime helper for resolving filters\n */\nfunction resolveFilter (id) {\n return resolveAsset(this.$options, 'filters', id, true) || identity\n}\n\n/* */\n\n/**\n * Runtime helper for checking keyCodes from config.\n */\nfunction checkKeyCodes (\n eventKeyCode,\n key,\n builtInAlias\n) {\n var keyCodes = config.keyCodes[key] || builtInAlias;\n if (Array.isArray(keyCodes)) {\n return keyCodes.indexOf(eventKeyCode) === -1\n } else {\n return keyCodes !== eventKeyCode\n }\n}\n\n/* */\n\n/**\n * Runtime helper for merging v-bind=\"object\" into a VNode's data.\n */\nfunction bindObjectProps (\n data,\n tag,\n value,\n asProp\n) {\n if (value) {\n if (!isObject(value)) {\n \"development\" !== 'production' && warn(\n 'v-bind without argument expects an Object or Array value',\n this\n );\n } else {\n if (Array.isArray(value)) {\n value = toObject(value);\n }\n var hash;\n for (var key in value) {\n if (key === 'class' || key === 'style') {\n hash = data;\n } else {\n var type = data.attrs && data.attrs.type;\n hash = asProp || config.mustUseProp(tag, type, key)\n ? data.domProps || (data.domProps = {})\n : data.attrs || (data.attrs = {});\n }\n if (!(key in hash)) {\n hash[key] = value[key];\n }\n }\n }\n }\n return data\n}\n\n/* */\n\n/**\n * Runtime helper for rendering static trees.\n */\nfunction renderStatic (\n index,\n isInFor\n) {\n var tree = this._staticTrees[index];\n // if has already-rendered static tree and not inside v-for,\n // we can reuse the same tree by doing a shallow clone.\n if (tree && !isInFor) {\n return Array.isArray(tree)\n ? cloneVNodes(tree)\n : cloneVNode(tree)\n }\n // otherwise, render a fresh tree.\n tree = this._staticTrees[index] =\n this.$options.staticRenderFns[index].call(this._renderProxy);\n markStatic(tree, (\"__static__\" + index), false);\n return tree\n}\n\n/**\n * Runtime helper for v-once.\n * Effectively it means marking the node as static with a unique key.\n */\nfunction markOnce (\n tree,\n index,\n key\n) {\n markStatic(tree, (\"__once__\" + index + (key ? (\"_\" + key) : \"\")), true);\n return tree\n}\n\nfunction markStatic (\n tree,\n key,\n isOnce\n) {\n if (Array.isArray(tree)) {\n for (var i = 0; i < tree.length; i++) {\n if (tree[i] && typeof tree[i] !== 'string') {\n markStaticNode(tree[i], (key + \"_\" + i), isOnce);\n }\n }\n } else {\n markStaticNode(tree, key, isOnce);\n }\n}\n\nfunction markStaticNode (node, key, isOnce) {\n node.isStatic = true;\n node.key = key;\n node.isOnce = isOnce;\n}\n\n/* */\n\nfunction initRender (vm) {\n vm.$vnode = null; // the placeholder node in parent tree\n vm._vnode = null; // the root of the child tree\n vm._staticTrees = null;\n var parentVnode = vm.$options._parentVnode;\n var renderContext = parentVnode && parentVnode.context;\n vm.$slots = resolveSlots(vm.$options._renderChildren, renderContext);\n vm.$scopedSlots = emptyObject;\n // bind the createElement fn to this instance\n // so that we get proper render context inside it.\n // args order: tag, data, children, normalizationType, alwaysNormalize\n // internal version is used by render functions compiled from templates\n vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };\n // normalization is always applied for the public version, used in\n // user-written render functions.\n vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };\n}\n\nfunction renderMixin (Vue) {\n Vue.prototype.$nextTick = function (fn) {\n return nextTick(fn, this)\n };\n\n Vue.prototype._render = function () {\n var vm = this;\n var ref = vm.$options;\n var render = ref.render;\n var staticRenderFns = ref.staticRenderFns;\n var _parentVnode = ref._parentVnode;\n\n if (vm._isMounted) {\n // clone slot nodes on re-renders\n for (var key in vm.$slots) {\n vm.$slots[key] = cloneVNodes(vm.$slots[key]);\n }\n }\n\n vm.$scopedSlots = (_parentVnode && _parentVnode.data.scopedSlots) || emptyObject;\n\n if (staticRenderFns && !vm._staticTrees) {\n vm._staticTrees = [];\n }\n // set parent vnode. this allows render functions to have access\n // to the data on the placeholder node.\n vm.$vnode = _parentVnode;\n // render self\n var vnode;\n try {\n vnode = render.call(vm._renderProxy, vm.$createElement);\n } catch (e) {\n handleError(e, vm, \"render function\");\n // return error render result,\n // or previous vnode to prevent render error causing blank component\n /* istanbul ignore else */\n {\n vnode = vm.$options.renderError\n ? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e)\n : vm._vnode;\n }\n }\n // return empty vnode in case the render function errored out\n if (!(vnode instanceof VNode)) {\n if (\"development\" !== 'production' && Array.isArray(vnode)) {\n warn(\n 'Multiple root nodes returned from render function. Render function ' +\n 'should return a single root node.',\n vm\n );\n }\n vnode = createEmptyVNode();\n }\n // set parent\n vnode.parent = _parentVnode;\n return vnode\n };\n\n // internal render helpers.\n // these are exposed on the instance prototype to reduce generated render\n // code size.\n Vue.prototype._o = markOnce;\n Vue.prototype._n = toNumber;\n Vue.prototype._s = _toString;\n Vue.prototype._l = renderList;\n Vue.prototype._t = renderSlot;\n Vue.prototype._q = looseEqual;\n Vue.prototype._i = looseIndexOf;\n Vue.prototype._m = renderStatic;\n Vue.prototype._f = resolveFilter;\n Vue.prototype._k = checkKeyCodes;\n Vue.prototype._b = bindObjectProps;\n Vue.prototype._v = createTextVNode;\n Vue.prototype._e = createEmptyVNode;\n Vue.prototype._u = resolveScopedSlots;\n}\n\n/* */\n\nfunction initProvide (vm) {\n var provide = vm.$options.provide;\n if (provide) {\n vm._provided = typeof provide === 'function'\n ? provide.call(vm)\n : provide;\n }\n}\n\nfunction initInjections (vm) {\n var inject = vm.$options.inject;\n if (inject) {\n // inject is :any because flow is not smart enough to figure out cached\n // isArray here\n var isArray = Array.isArray(inject);\n var keys = isArray\n ? inject\n : hasSymbol\n ? Reflect.ownKeys(inject)\n : Object.keys(inject);\n\n var loop = function ( i ) {\n var key = keys[i];\n var provideKey = isArray ? key : inject[key];\n var source = vm;\n while (source) {\n if (source._provided && provideKey in source._provided) {\n /* istanbul ignore else */\n {\n defineReactive$$1(vm, key, source._provided[provideKey], function () {\n warn(\n \"Avoid mutating an injected value directly since the changes will be \" +\n \"overwritten whenever the provided component re-renders. \" +\n \"injection being mutated: \\\"\" + key + \"\\\"\",\n vm\n );\n });\n }\n break\n }\n source = source.$parent;\n }\n };\n\n for (var i = 0; i < keys.length; i++) loop( i );\n }\n}\n\n/* */\n\nvar uid = 0;\n\nfunction initMixin (Vue) {\n Vue.prototype._init = function (options) {\n var vm = this;\n // a uid\n vm._uid = uid++;\n\n var startTag, endTag;\n /* istanbul ignore if */\n if (\"development\" !== 'production' && config.performance && mark) {\n startTag = \"vue-perf-init:\" + (vm._uid);\n endTag = \"vue-perf-end:\" + (vm._uid);\n mark(startTag);\n }\n\n // a flag to avoid this being observed\n vm._isVue = true;\n // merge options\n if (options && options._isComponent) {\n // optimize internal component instantiation\n // since dynamic options merging is pretty slow, and none of the\n // internal component options needs special treatment.\n initInternalComponent(vm, options);\n } else {\n vm.$options = mergeOptions(\n resolveConstructorOptions(vm.constructor),\n options || {},\n vm\n );\n }\n /* istanbul ignore else */\n {\n initProxy(vm);\n }\n // expose real self\n vm._self = vm;\n initLifecycle(vm);\n initEvents(vm);\n initRender(vm);\n callHook(vm, 'beforeCreate');\n initInjections(vm); // resolve injections before data/props\n initState(vm);\n initProvide(vm); // resolve provide after data/props\n callHook(vm, 'created');\n\n /* istanbul ignore if */\n if (\"development\" !== 'production' && config.performance && mark) {\n vm._name = formatComponentName(vm, false);\n mark(endTag);\n measure(((vm._name) + \" init\"), startTag, endTag);\n }\n\n if (vm.$options.el) {\n vm.$mount(vm.$options.el);\n }\n };\n}\n\nfunction initInternalComponent (vm, options) {\n var opts = vm.$options = Object.create(vm.constructor.options);\n // doing this because it's faster than dynamic enumeration.\n opts.parent = options.parent;\n opts.propsData = options.propsData;\n opts._parentVnode = options._parentVnode;\n opts._parentListeners = options._parentListeners;\n opts._renderChildren = options._renderChildren;\n opts._componentTag = options._componentTag;\n opts._parentElm = options._parentElm;\n opts._refElm = options._refElm;\n if (options.render) {\n opts.render = options.render;\n opts.staticRenderFns = options.staticRenderFns;\n }\n}\n\nfunction resolveConstructorOptions (Ctor) {\n var options = Ctor.options;\n if (Ctor.super) {\n var superOptions = resolveConstructorOptions(Ctor.super);\n var cachedSuperOptions = Ctor.superOptions;\n if (superOptions !== cachedSuperOptions) {\n // super option changed,\n // need to resolve new options.\n Ctor.superOptions = superOptions;\n // check if there are any late-modified/attached options (#4976)\n var modifiedOptions = resolveModifiedOptions(Ctor);\n // update base extend options\n if (modifiedOptions) {\n extend(Ctor.extendOptions, modifiedOptions);\n }\n options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);\n if (options.name) {\n options.components[options.name] = Ctor;\n }\n }\n }\n return options\n}\n\nfunction resolveModifiedOptions (Ctor) {\n var modified;\n var latest = Ctor.options;\n var sealed = Ctor.sealedOptions;\n for (var key in latest) {\n if (latest[key] !== sealed[key]) {\n if (!modified) { modified = {}; }\n modified[key] = dedupe(latest[key], sealed[key]);\n }\n }\n return modified\n}\n\nfunction dedupe (latest, sealed) {\n // compare latest and sealed to ensure lifecycle hooks won't be duplicated\n // between merges\n if (Array.isArray(latest)) {\n var res = [];\n sealed = Array.isArray(sealed) ? sealed : [sealed];\n for (var i = 0; i < latest.length; i++) {\n if (sealed.indexOf(latest[i]) < 0) {\n res.push(latest[i]);\n }\n }\n return res\n } else {\n return latest\n }\n}\n\nfunction Vue$3 (options) {\n if (\"development\" !== 'production' &&\n !(this instanceof Vue$3)) {\n warn('Vue is a constructor and should be called with the `new` keyword');\n }\n this._init(options);\n}\n\ninitMixin(Vue$3);\nstateMixin(Vue$3);\neventsMixin(Vue$3);\nlifecycleMixin(Vue$3);\nrenderMixin(Vue$3);\n\n/* */\n\nfunction initUse (Vue) {\n Vue.use = function (plugin) {\n /* istanbul ignore if */\n if (plugin.installed) {\n return\n }\n // additional parameters\n var args = toArray(arguments, 1);\n args.unshift(this);\n if (typeof plugin.install === 'function') {\n plugin.install.apply(plugin, args);\n } else if (typeof plugin === 'function') {\n plugin.apply(null, args);\n }\n plugin.installed = true;\n return this\n };\n}\n\n/* */\n\nfunction initMixin$1 (Vue) {\n Vue.mixin = function (mixin) {\n this.options = mergeOptions(this.options, mixin);\n };\n}\n\n/* */\n\nfunction initExtend (Vue) {\n /**\n * Each instance constructor, including Vue, has a unique\n * cid. This enables us to create wrapped \"child\n * constructors\" for prototypal inheritance and cache them.\n */\n Vue.cid = 0;\n var cid = 1;\n\n /**\n * Class inheritance\n */\n Vue.extend = function (extendOptions) {\n extendOptions = extendOptions || {};\n var Super = this;\n var SuperId = Super.cid;\n var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});\n if (cachedCtors[SuperId]) {\n return cachedCtors[SuperId]\n }\n\n var name = extendOptions.name || Super.options.name;\n {\n if (!/^[a-zA-Z][\\w-]*$/.test(name)) {\n warn(\n 'Invalid component name: \"' + name + '\". Component names ' +\n 'can only contain alphanumeric characters and the hyphen, ' +\n 'and must start with a letter.'\n );\n }\n }\n\n var Sub = function VueComponent (options) {\n this._init(options);\n };\n Sub.prototype = Object.create(Super.prototype);\n Sub.prototype.constructor = Sub;\n Sub.cid = cid++;\n Sub.options = mergeOptions(\n Super.options,\n extendOptions\n );\n Sub['super'] = Super;\n\n // For props and computed properties, we define the proxy getters on\n // the Vue instances at extension time, on the extended prototype. This\n // avoids Object.defineProperty calls for each instance created.\n if (Sub.options.props) {\n initProps$1(Sub);\n }\n if (Sub.options.computed) {\n initComputed$1(Sub);\n }\n\n // allow further extension/mixin/plugin usage\n Sub.extend = Super.extend;\n Sub.mixin = Super.mixin;\n Sub.use = Super.use;\n\n // create asset registers, so extended classes\n // can have their private assets too.\n config._assetTypes.forEach(function (type) {\n Sub[type] = Super[type];\n });\n // enable recursive self-lookup\n if (name) {\n Sub.options.components[name] = Sub;\n }\n\n // keep a reference to the super options at extension time.\n // later at instantiation we can check if Super's options have\n // been updated.\n Sub.superOptions = Super.options;\n Sub.extendOptions = extendOptions;\n Sub.sealedOptions = extend({}, Sub.options);\n\n // cache constructor\n cachedCtors[SuperId] = Sub;\n return Sub\n };\n}\n\nfunction initProps$1 (Comp) {\n var props = Comp.options.props;\n for (var key in props) {\n proxy(Comp.prototype, \"_props\", key);\n }\n}\n\nfunction initComputed$1 (Comp) {\n var computed = Comp.options.computed;\n for (var key in computed) {\n defineComputed(Comp.prototype, key, computed[key]);\n }\n}\n\n/* */\n\nfunction initAssetRegisters (Vue) {\n /**\n * Create asset registration methods.\n */\n config._assetTypes.forEach(function (type) {\n Vue[type] = function (\n id,\n definition\n ) {\n if (!definition) {\n return this.options[type + 's'][id]\n } else {\n /* istanbul ignore if */\n {\n if (type === 'component' && config.isReservedTag(id)) {\n warn(\n 'Do not use built-in or reserved HTML elements as component ' +\n 'id: ' + id\n );\n }\n }\n if (type === 'component' && isPlainObject(definition)) {\n definition.name = definition.name || id;\n definition = this.options._base.extend(definition);\n }\n if (type === 'directive' && typeof definition === 'function') {\n definition = { bind: definition, update: definition };\n }\n this.options[type + 's'][id] = definition;\n return definition\n }\n };\n });\n}\n\n/* */\n\nvar patternTypes = [String, RegExp];\n\nfunction getComponentName (opts) {\n return opts && (opts.Ctor.options.name || opts.tag)\n}\n\nfunction matches (pattern, name) {\n if (typeof pattern === 'string') {\n return pattern.split(',').indexOf(name) > -1\n } else if (pattern instanceof RegExp) {\n return pattern.test(name)\n }\n /* istanbul ignore next */\n return false\n}\n\nfunction pruneCache (cache, filter) {\n for (var key in cache) {\n var cachedNode = cache[key];\n if (cachedNode) {\n var name = getComponentName(cachedNode.componentOptions);\n if (name && !filter(name)) {\n pruneCacheEntry(cachedNode);\n cache[key] = null;\n }\n }\n }\n}\n\nfunction pruneCacheEntry (vnode) {\n if (vnode) {\n if (!vnode.componentInstance._inactive) {\n callHook(vnode.componentInstance, 'deactivated');\n }\n vnode.componentInstance.$destroy();\n }\n}\n\nvar KeepAlive = {\n name: 'keep-alive',\n abstract: true,\n\n props: {\n include: patternTypes,\n exclude: patternTypes\n },\n\n created: function created () {\n this.cache = Object.create(null);\n },\n\n destroyed: function destroyed () {\n var this$1 = this;\n\n for (var key in this$1.cache) {\n pruneCacheEntry(this$1.cache[key]);\n }\n },\n\n watch: {\n include: function include (val) {\n pruneCache(this.cache, function (name) { return matches(val, name); });\n },\n exclude: function exclude (val) {\n pruneCache(this.cache, function (name) { return !matches(val, name); });\n }\n },\n\n render: function render () {\n var vnode = getFirstComponentChild(this.$slots.default);\n var componentOptions = vnode && vnode.componentOptions;\n if (componentOptions) {\n // check pattern\n var name = getComponentName(componentOptions);\n if (name && (\n (this.include && !matches(this.include, name)) ||\n (this.exclude && matches(this.exclude, name))\n )) {\n return vnode\n }\n var key = vnode.key == null\n // same constructor may get registered as different local components\n // so cid alone is not enough (#3269)\n ? componentOptions.Ctor.cid + (componentOptions.tag ? (\"::\" + (componentOptions.tag)) : '')\n : vnode.key;\n if (this.cache[key]) {\n vnode.componentInstance = this.cache[key].componentInstance;\n } else {\n this.cache[key] = vnode;\n }\n vnode.data.keepAlive = true;\n }\n return vnode\n }\n};\n\nvar builtInComponents = {\n KeepAlive: KeepAlive\n};\n\n/* */\n\nfunction initGlobalAPI (Vue) {\n // config\n var configDef = {};\n configDef.get = function () { return config; };\n {\n configDef.set = function () {\n warn(\n 'Do not replace the Vue.config object, set individual fields instead.'\n );\n };\n }\n Object.defineProperty(Vue, 'config', configDef);\n\n // exposed util methods.\n // NOTE: these are not considered part of the public API - avoid relying on\n // them unless you are aware of the risk.\n Vue.util = {\n warn: warn,\n extend: extend,\n mergeOptions: mergeOptions,\n defineReactive: defineReactive$$1\n };\n\n Vue.set = set;\n Vue.delete = del;\n Vue.nextTick = nextTick;\n\n Vue.options = Object.create(null);\n config._assetTypes.forEach(function (type) {\n Vue.options[type + 's'] = Object.create(null);\n });\n\n // this is used to identify the \"base\" constructor to extend all plain-object\n // components with in Weex's multi-instance scenarios.\n Vue.options._base = Vue;\n\n extend(Vue.options.components, builtInComponents);\n\n initUse(Vue);\n initMixin$1(Vue);\n initExtend(Vue);\n initAssetRegisters(Vue);\n}\n\ninitGlobalAPI(Vue$3);\n\nObject.defineProperty(Vue$3.prototype, '$isServer', {\n get: isServerRendering\n});\n\nVue$3.version = '2.2.6';\n\n/* */\n\n// attributes that should be using props for binding\nvar acceptValue = makeMap('input,textarea,option,select');\nvar mustUseProp = function (tag, type, attr) {\n return (\n (attr === 'value' && acceptValue(tag)) && type !== 'button' ||\n (attr === 'selected' && tag === 'option') ||\n (attr === 'checked' && tag === 'input') ||\n (attr === 'muted' && tag === 'video')\n )\n};\n\nvar isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');\n\nvar isBooleanAttr = makeMap(\n 'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +\n 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +\n 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +\n 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +\n 'required,reversed,scoped,seamless,selected,sortable,translate,' +\n 'truespeed,typemustmatch,visible'\n);\n\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\n\nvar isXlink = function (name) {\n return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'\n};\n\nvar getXlinkProp = function (name) {\n return isXlink(name) ? name.slice(6, name.length) : ''\n};\n\nvar isFalsyAttrValue = function (val) {\n return val == null || val === false\n};\n\n/* */\n\nfunction genClassForVnode (vnode) {\n var data = vnode.data;\n var parentNode = vnode;\n var childNode = vnode;\n while (childNode.componentInstance) {\n childNode = childNode.componentInstance._vnode;\n if (childNode.data) {\n data = mergeClassData(childNode.data, data);\n }\n }\n while ((parentNode = parentNode.parent)) {\n if (parentNode.data) {\n data = mergeClassData(data, parentNode.data);\n }\n }\n return genClassFromData(data)\n}\n\nfunction mergeClassData (child, parent) {\n return {\n staticClass: concat(child.staticClass, parent.staticClass),\n class: child.class\n ? [child.class, parent.class]\n : parent.class\n }\n}\n\nfunction genClassFromData (data) {\n var dynamicClass = data.class;\n var staticClass = data.staticClass;\n if (staticClass || dynamicClass) {\n return concat(staticClass, stringifyClass(dynamicClass))\n }\n /* istanbul ignore next */\n return ''\n}\n\nfunction concat (a, b) {\n return a ? b ? (a + ' ' + b) : a : (b || '')\n}\n\nfunction stringifyClass (value) {\n var res = '';\n if (!value) {\n return res\n }\n if (typeof value === 'string') {\n return value\n }\n if (Array.isArray(value)) {\n var stringified;\n for (var i = 0, l = value.length; i < l; i++) {\n if (value[i]) {\n if ((stringified = stringifyClass(value[i]))) {\n res += stringified + ' ';\n }\n }\n }\n return res.slice(0, -1)\n }\n if (isObject(value)) {\n for (var key in value) {\n if (value[key]) { res += key + ' '; }\n }\n return res.slice(0, -1)\n }\n /* istanbul ignore next */\n return res\n}\n\n/* */\n\nvar namespaceMap = {\n svg: 'http://www.w3.org/2000/svg',\n math: 'http://www.w3.org/1998/Math/MathML'\n};\n\nvar isHTMLTag = makeMap(\n 'html,body,base,head,link,meta,style,title,' +\n 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +\n 'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' +\n 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +\n 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +\n 'embed,object,param,source,canvas,script,noscript,del,ins,' +\n 'caption,col,colgroup,table,thead,tbody,td,th,tr,' +\n 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +\n 'output,progress,select,textarea,' +\n 'details,dialog,menu,menuitem,summary,' +\n 'content,element,shadow,template'\n);\n\n// this map is intentionally selective, only covering SVG elements that may\n// contain child elements.\nvar isSVG = makeMap(\n 'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +\n 'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +\n 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',\n true\n);\n\nvar isPreTag = function (tag) { return tag === 'pre'; };\n\nvar isReservedTag = function (tag) {\n return isHTMLTag(tag) || isSVG(tag)\n};\n\nfunction getTagNamespace (tag) {\n if (isSVG(tag)) {\n return 'svg'\n }\n // basic support for MathML\n // note it doesn't support other MathML elements being component roots\n if (tag === 'math') {\n return 'math'\n }\n}\n\nvar unknownElementCache = Object.create(null);\nfunction isUnknownElement (tag) {\n /* istanbul ignore if */\n if (!inBrowser) {\n return true\n }\n if (isReservedTag(tag)) {\n return false\n }\n tag = tag.toLowerCase();\n /* istanbul ignore if */\n if (unknownElementCache[tag] != null) {\n return unknownElementCache[tag]\n }\n var el = document.createElement(tag);\n if (tag.indexOf('-') > -1) {\n // http://stackoverflow.com/a/28210364/1070244\n return (unknownElementCache[tag] = (\n el.constructor === window.HTMLUnknownElement ||\n el.constructor === window.HTMLElement\n ))\n } else {\n return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))\n }\n}\n\n/* */\n\n/**\n * Query an element selector if it's not an element already.\n */\nfunction query (el) {\n if (typeof el === 'string') {\n var selected = document.querySelector(el);\n if (!selected) {\n \"development\" !== 'production' && warn(\n 'Cannot find element: ' + el\n );\n return document.createElement('div')\n }\n return selected\n } else {\n return el\n }\n}\n\n/* */\n\nfunction createElement$1 (tagName, vnode) {\n var elm = document.createElement(tagName);\n if (tagName !== 'select') {\n return elm\n }\n // false or null will remove the attribute but undefined will not\n if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {\n elm.setAttribute('multiple', 'multiple');\n }\n return elm\n}\n\nfunction createElementNS (namespace, tagName) {\n return document.createElementNS(namespaceMap[namespace], tagName)\n}\n\nfunction createTextNode (text) {\n return document.createTextNode(text)\n}\n\nfunction createComment (text) {\n return document.createComment(text)\n}\n\nfunction insertBefore (parentNode, newNode, referenceNode) {\n parentNode.insertBefore(newNode, referenceNode);\n}\n\nfunction removeChild (node, child) {\n node.removeChild(child);\n}\n\nfunction appendChild (node, child) {\n node.appendChild(child);\n}\n\nfunction parentNode (node) {\n return node.parentNode\n}\n\nfunction nextSibling (node) {\n return node.nextSibling\n}\n\nfunction tagName (node) {\n return node.tagName\n}\n\nfunction setTextContent (node, text) {\n node.textContent = text;\n}\n\nfunction setAttribute (node, key, val) {\n node.setAttribute(key, val);\n}\n\n\nvar nodeOps = Object.freeze({\n\tcreateElement: createElement$1,\n\tcreateElementNS: createElementNS,\n\tcreateTextNode: createTextNode,\n\tcreateComment: createComment,\n\tinsertBefore: insertBefore,\n\tremoveChild: removeChild,\n\tappendChild: appendChild,\n\tparentNode: parentNode,\n\tnextSibling: nextSibling,\n\ttagName: tagName,\n\tsetTextContent: setTextContent,\n\tsetAttribute: setAttribute\n});\n\n/* */\n\nvar ref = {\n create: function create (_, vnode) {\n registerRef(vnode);\n },\n update: function update (oldVnode, vnode) {\n if (oldVnode.data.ref !== vnode.data.ref) {\n registerRef(oldVnode, true);\n registerRef(vnode);\n }\n },\n destroy: function destroy (vnode) {\n registerRef(vnode, true);\n }\n};\n\nfunction registerRef (vnode, isRemoval) {\n var key = vnode.data.ref;\n if (!key) { return }\n\n var vm = vnode.context;\n var ref = vnode.componentInstance || vnode.elm;\n var refs = vm.$refs;\n if (isRemoval) {\n if (Array.isArray(refs[key])) {\n remove(refs[key], ref);\n } else if (refs[key] === ref) {\n refs[key] = undefined;\n }\n } else {\n if (vnode.data.refInFor) {\n if (Array.isArray(refs[key]) && refs[key].indexOf(ref) < 0) {\n refs[key].push(ref);\n } else {\n refs[key] = [ref];\n }\n } else {\n refs[key] = ref;\n }\n }\n}\n\n/**\n * Virtual DOM patching algorithm based on Snabbdom by\n * Simon Friis Vindum (@paldepind)\n * Licensed under the MIT License\n * https://github.com/paldepind/snabbdom/blob/master/LICENSE\n *\n * modified by Evan You (@yyx990803)\n *\n\n/*\n * Not type-checking this because this file is perf-critical and the cost\n * of making flow understand it is not worth it.\n */\n\nvar emptyNode = new VNode('', {}, []);\n\nvar hooks = ['create', 'activate', 'update', 'remove', 'destroy'];\n\nfunction isUndef (v) {\n return v === undefined || v === null\n}\n\nfunction isDef (v) {\n return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n return v === true\n}\n\nfunction sameVnode (a, b) {\n return (\n a.key === b.key &&\n a.tag === b.tag &&\n a.isComment === b.isComment &&\n isDef(a.data) === isDef(b.data) &&\n sameInputType(a, b)\n )\n}\n\n// Some browsers do not support dynamically changing type for \n// so they need to be treated as different nodes\nfunction sameInputType (a, b) {\n if (a.tag !== 'input') { return true }\n var i;\n var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;\n var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;\n return typeA === typeB\n}\n\nfunction createKeyToOldIdx (children, beginIdx, endIdx) {\n var i, key;\n var map = {};\n for (i = beginIdx; i <= endIdx; ++i) {\n key = children[i].key;\n if (isDef(key)) { map[key] = i; }\n }\n return map\n}\n\nfunction createPatchFunction (backend) {\n var i, j;\n var cbs = {};\n\n var modules = backend.modules;\n var nodeOps = backend.nodeOps;\n\n for (i = 0; i < hooks.length; ++i) {\n cbs[hooks[i]] = [];\n for (j = 0; j < modules.length; ++j) {\n if (isDef(modules[j][hooks[i]])) {\n cbs[hooks[i]].push(modules[j][hooks[i]]);\n }\n }\n }\n\n function emptyNodeAt (elm) {\n return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)\n }\n\n function createRmCb (childElm, listeners) {\n function remove$$1 () {\n if (--remove$$1.listeners === 0) {\n removeNode(childElm);\n }\n }\n remove$$1.listeners = listeners;\n return remove$$1\n }\n\n function removeNode (el) {\n var parent = nodeOps.parentNode(el);\n // element may have already been removed due to v-html / v-text\n if (isDef(parent)) {\n nodeOps.removeChild(parent, el);\n }\n }\n\n var inPre = 0;\n function createElm (vnode, insertedVnodeQueue, parentElm, refElm, nested) {\n vnode.isRootInsert = !nested; // for transition enter check\n if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {\n return\n }\n\n var data = vnode.data;\n var children = vnode.children;\n var tag = vnode.tag;\n if (isDef(tag)) {\n {\n if (data && data.pre) {\n inPre++;\n }\n if (\n !inPre &&\n !vnode.ns &&\n !(config.ignoredElements.length && config.ignoredElements.indexOf(tag) > -1) &&\n config.isUnknownElement(tag)\n ) {\n warn(\n 'Unknown custom element: <' + tag + '> - did you ' +\n 'register the component correctly? For recursive components, ' +\n 'make sure to provide the \"name\" option.',\n vnode.context\n );\n }\n }\n vnode.elm = vnode.ns\n ? nodeOps.createElementNS(vnode.ns, tag)\n : nodeOps.createElement(tag, vnode);\n setScope(vnode);\n\n /* istanbul ignore if */\n {\n createChildren(vnode, children, insertedVnodeQueue);\n if (isDef(data)) {\n invokeCreateHooks(vnode, insertedVnodeQueue);\n }\n insert(parentElm, vnode.elm, refElm);\n }\n\n if (\"development\" !== 'production' && data && data.pre) {\n inPre--;\n }\n } else if (isTrue(vnode.isComment)) {\n vnode.elm = nodeOps.createComment(vnode.text);\n insert(parentElm, vnode.elm, refElm);\n } else {\n vnode.elm = nodeOps.createTextNode(vnode.text);\n insert(parentElm, vnode.elm, refElm);\n }\n }\n\n function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n var i = vnode.data;\n if (isDef(i)) {\n var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;\n if (isDef(i = i.hook) && isDef(i = i.init)) {\n i(vnode, false /* hydrating */, parentElm, refElm);\n }\n // after calling the init hook, if the vnode is a child component\n // it should've created a child instance and mounted it. the child\n // component also has set the placeholder vnode's elm.\n // in that case we can just return the element and be done.\n if (isDef(vnode.componentInstance)) {\n initComponent(vnode, insertedVnodeQueue);\n if (isTrue(isReactivated)) {\n reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);\n }\n return true\n }\n }\n }\n\n function initComponent (vnode, insertedVnodeQueue) {\n if (isDef(vnode.data.pendingInsert)) {\n insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);\n }\n vnode.elm = vnode.componentInstance.$el;\n if (isPatchable(vnode)) {\n invokeCreateHooks(vnode, insertedVnodeQueue);\n setScope(vnode);\n } else {\n // empty component root.\n // skip all element-related modules except for ref (#3455)\n registerRef(vnode);\n // make sure to invoke the insert hook\n insertedVnodeQueue.push(vnode);\n }\n }\n\n function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n var i;\n // hack for #4339: a reactivated component with inner transition\n // does not trigger because the inner node's created hooks are not called\n // again. It's not ideal to involve module-specific logic in here but\n // there doesn't seem to be a better way to do it.\n var innerNode = vnode;\n while (innerNode.componentInstance) {\n innerNode = innerNode.componentInstance._vnode;\n if (isDef(i = innerNode.data) && isDef(i = i.transition)) {\n for (i = 0; i < cbs.activate.length; ++i) {\n cbs.activate[i](emptyNode, innerNode);\n }\n insertedVnodeQueue.push(innerNode);\n break\n }\n }\n // unlike a newly created component,\n // a reactivated keep-alive component doesn't insert itself\n insert(parentElm, vnode.elm, refElm);\n }\n\n function insert (parent, elm, ref) {\n if (isDef(parent)) {\n if (isDef(ref)) {\n nodeOps.insertBefore(parent, elm, ref);\n } else {\n nodeOps.appendChild(parent, elm);\n }\n }\n }\n\n function createChildren (vnode, children, insertedVnodeQueue) {\n if (Array.isArray(children)) {\n for (var i = 0; i < children.length; ++i) {\n createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);\n }\n } else if (isPrimitive(vnode.text)) {\n nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text));\n }\n }\n\n function isPatchable (vnode) {\n while (vnode.componentInstance) {\n vnode = vnode.componentInstance._vnode;\n }\n return isDef(vnode.tag)\n }\n\n function invokeCreateHooks (vnode, insertedVnodeQueue) {\n for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n cbs.create[i$1](emptyNode, vnode);\n }\n i = vnode.data.hook; // Reuse variable\n if (isDef(i)) {\n if (isDef(i.create)) { i.create(emptyNode, vnode); }\n if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }\n }\n }\n\n // set scope id attribute for scoped CSS.\n // this is implemented as a special case to avoid the overhead\n // of going through the normal attribute patching process.\n function setScope (vnode) {\n var i;\n var ancestor = vnode;\n while (ancestor) {\n if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {\n nodeOps.setAttribute(vnode.elm, i, '');\n }\n ancestor = ancestor.parent;\n }\n // for slot content they should also get the scopeId from the host instance.\n if (isDef(i = activeInstance) &&\n i !== vnode.context &&\n isDef(i = i.$options._scopeId)) {\n nodeOps.setAttribute(vnode.elm, i, '');\n }\n }\n\n function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {\n for (; startIdx <= endIdx; ++startIdx) {\n createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);\n }\n }\n\n function invokeDestroyHook (vnode) {\n var i, j;\n var data = vnode.data;\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }\n for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }\n }\n if (isDef(i = vnode.children)) {\n for (j = 0; j < vnode.children.length; ++j) {\n invokeDestroyHook(vnode.children[j]);\n }\n }\n }\n\n function removeVnodes (parentElm, vnodes, startIdx, endIdx) {\n for (; startIdx <= endIdx; ++startIdx) {\n var ch = vnodes[startIdx];\n if (isDef(ch)) {\n if (isDef(ch.tag)) {\n removeAndInvokeRemoveHook(ch);\n invokeDestroyHook(ch);\n } else { // Text node\n removeNode(ch.elm);\n }\n }\n }\n }\n\n function removeAndInvokeRemoveHook (vnode, rm) {\n if (isDef(rm) || isDef(vnode.data)) {\n var listeners = cbs.remove.length + 1;\n if (isDef(rm)) {\n // we have a recursively passed down rm callback\n // increase the listeners count\n rm.listeners += listeners;\n } else {\n // directly removing\n rm = createRmCb(vnode.elm, listeners);\n }\n // recursively invoke hooks on child component root node\n if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {\n removeAndInvokeRemoveHook(i, rm);\n }\n for (i = 0; i < cbs.remove.length; ++i) {\n cbs.remove[i](vnode, rm);\n }\n if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {\n i(vnode, rm);\n } else {\n rm();\n }\n } else {\n removeNode(vnode.elm);\n }\n }\n\n function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {\n var oldStartIdx = 0;\n var newStartIdx = 0;\n var oldEndIdx = oldCh.length - 1;\n var oldStartVnode = oldCh[0];\n var oldEndVnode = oldCh[oldEndIdx];\n var newEndIdx = newCh.length - 1;\n var newStartVnode = newCh[0];\n var newEndVnode = newCh[newEndIdx];\n var oldKeyToIdx, idxInOld, elmToMove, refElm;\n\n // removeOnly is a special flag used only by \n // to ensure removed elements stay in correct relative positions\n // during leaving transitions\n var canMove = !removeOnly;\n\n while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {\n if (isUndef(oldStartVnode)) {\n oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left\n } else if (isUndef(oldEndVnode)) {\n oldEndVnode = oldCh[--oldEndIdx];\n } else if (sameVnode(oldStartVnode, newStartVnode)) {\n patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);\n oldStartVnode = oldCh[++oldStartIdx];\n newStartVnode = newCh[++newStartIdx];\n } else if (sameVnode(oldEndVnode, newEndVnode)) {\n patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);\n oldEndVnode = oldCh[--oldEndIdx];\n newEndVnode = newCh[--newEndIdx];\n } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right\n patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);\n canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));\n oldStartVnode = oldCh[++oldStartIdx];\n newEndVnode = newCh[--newEndIdx];\n } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left\n patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);\n canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);\n oldEndVnode = oldCh[--oldEndIdx];\n newStartVnode = newCh[++newStartIdx];\n } else {\n if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }\n idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;\n if (isUndef(idxInOld)) { // New element\n createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n newStartVnode = newCh[++newStartIdx];\n } else {\n elmToMove = oldCh[idxInOld];\n /* istanbul ignore if */\n if (\"development\" !== 'production' && !elmToMove) {\n warn(\n 'It seems there are duplicate keys that is causing an update error. ' +\n 'Make sure each v-for item has a unique key.'\n );\n }\n if (sameVnode(elmToMove, newStartVnode)) {\n patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);\n oldCh[idxInOld] = undefined;\n canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);\n newStartVnode = newCh[++newStartIdx];\n } else {\n // same key but different element. treat as new element\n createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);\n newStartVnode = newCh[++newStartIdx];\n }\n }\n }\n }\n if (oldStartIdx > oldEndIdx) {\n refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;\n addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);\n } else if (newStartIdx > newEndIdx) {\n removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);\n }\n }\n\n function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) {\n if (oldVnode === vnode) {\n return\n }\n // reuse element for static trees.\n // note we only do this if the vnode is cloned -\n // if the new node is not cloned it means the render functions have been\n // reset by the hot-reload-api and we need to do a proper re-render.\n if (isTrue(vnode.isStatic) &&\n isTrue(oldVnode.isStatic) &&\n vnode.key === oldVnode.key &&\n (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {\n vnode.elm = oldVnode.elm;\n vnode.componentInstance = oldVnode.componentInstance;\n return\n }\n var i;\n var data = vnode.data;\n if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {\n i(oldVnode, vnode);\n }\n var elm = vnode.elm = oldVnode.elm;\n var oldCh = oldVnode.children;\n var ch = vnode.children;\n if (isDef(data) && isPatchable(vnode)) {\n for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }\n if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }\n }\n if (isUndef(vnode.text)) {\n if (isDef(oldCh) && isDef(ch)) {\n if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }\n } else if (isDef(ch)) {\n if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }\n addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);\n } else if (isDef(oldCh)) {\n removeVnodes(elm, oldCh, 0, oldCh.length - 1);\n } else if (isDef(oldVnode.text)) {\n nodeOps.setTextContent(elm, '');\n }\n } else if (oldVnode.text !== vnode.text) {\n nodeOps.setTextContent(elm, vnode.text);\n }\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }\n }\n }\n\n function invokeInsertHook (vnode, queue, initial) {\n // delay insert hooks for component root nodes, invoke them after the\n // element is really inserted\n if (isTrue(initial) && isDef(vnode.parent)) {\n vnode.parent.data.pendingInsert = queue;\n } else {\n for (var i = 0; i < queue.length; ++i) {\n queue[i].data.hook.insert(queue[i]);\n }\n }\n }\n\n var bailed = false;\n // list of modules that can skip create hook during hydration because they\n // are already rendered on the client or has no need for initialization\n var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');\n\n // Note: this is a browser-only function so we can assume elms are DOM nodes.\n function hydrate (elm, vnode, insertedVnodeQueue) {\n {\n if (!assertNodeMatch(elm, vnode)) {\n return false\n }\n }\n vnode.elm = elm;\n var tag = vnode.tag;\n var data = vnode.data;\n var children = vnode.children;\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }\n if (isDef(i = vnode.componentInstance)) {\n // child component. it should have hydrated its own tree.\n initComponent(vnode, insertedVnodeQueue);\n return true\n }\n }\n if (isDef(tag)) {\n if (isDef(children)) {\n // empty element, allow client to pick up and populate children\n if (!elm.hasChildNodes()) {\n createChildren(vnode, children, insertedVnodeQueue);\n } else {\n var childrenMatch = true;\n var childNode = elm.firstChild;\n for (var i$1 = 0; i$1 < children.length; i$1++) {\n if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue)) {\n childrenMatch = false;\n break\n }\n childNode = childNode.nextSibling;\n }\n // if childNode is not null, it means the actual childNodes list is\n // longer than the virtual children list.\n if (!childrenMatch || childNode) {\n if (\"development\" !== 'production' &&\n typeof console !== 'undefined' &&\n !bailed) {\n bailed = true;\n console.warn('Parent: ', elm);\n console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);\n }\n return false\n }\n }\n }\n if (isDef(data)) {\n for (var key in data) {\n if (!isRenderedModule(key)) {\n invokeCreateHooks(vnode, insertedVnodeQueue);\n break\n }\n }\n }\n } else if (elm.data !== vnode.text) {\n elm.data = vnode.text;\n }\n return true\n }\n\n function assertNodeMatch (node, vnode) {\n if (isDef(vnode.tag)) {\n return (\n vnode.tag.indexOf('vue-component') === 0 ||\n vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())\n )\n } else {\n return node.nodeType === (vnode.isComment ? 8 : 3)\n }\n }\n\n return function patch (oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {\n if (isUndef(vnode)) {\n if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }\n return\n }\n\n var isInitialPatch = false;\n var insertedVnodeQueue = [];\n\n if (isUndef(oldVnode)) {\n // empty mount (likely as component), create new root element\n isInitialPatch = true;\n createElm(vnode, insertedVnodeQueue, parentElm, refElm);\n } else {\n var isRealElement = isDef(oldVnode.nodeType);\n if (!isRealElement && sameVnode(oldVnode, vnode)) {\n // patch existing root node\n patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);\n } else {\n if (isRealElement) {\n // mounting to a real element\n // check if this is server-rendered content and if we can perform\n // a successful hydration.\n if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) {\n oldVnode.removeAttribute('server-rendered');\n hydrating = true;\n }\n if (isTrue(hydrating)) {\n if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {\n invokeInsertHook(vnode, insertedVnodeQueue, true);\n return oldVnode\n } else {\n warn(\n 'The client-side rendered virtual DOM tree is not matching ' +\n 'server-rendered content. This is likely caused by incorrect ' +\n 'HTML markup, for example nesting block-level elements inside ' +\n '
, or missing
. Bailing hydration and performing ' +\n 'full client-side render.'\n );\n }\n }\n // either not server-rendered, or hydration failed.\n // create an empty node and replace it\n oldVnode = emptyNodeAt(oldVnode);\n }\n // replacing existing element\n var oldElm = oldVnode.elm;\n var parentElm$1 = nodeOps.parentNode(oldElm);\n createElm(\n vnode,\n insertedVnodeQueue,\n // extremely rare edge case: do not insert if old element is in a\n // leaving transition. Only happens when combining transition +\n // keep-alive + HOCs. (#4590)\n oldElm._leaveCb ? null : parentElm$1,\n nodeOps.nextSibling(oldElm)\n );\n\n if (isDef(vnode.parent)) {\n // component root element replaced.\n // update parent placeholder node element, recursively\n var ancestor = vnode.parent;\n while (ancestor) {\n ancestor.elm = vnode.elm;\n ancestor = ancestor.parent;\n }\n if (isPatchable(vnode)) {\n for (var i = 0; i < cbs.create.length; ++i) {\n cbs.create[i](emptyNode, vnode.parent);\n }\n }\n }\n\n if (isDef(parentElm$1)) {\n removeVnodes(parentElm$1, [oldVnode], 0, 0);\n } else if (isDef(oldVnode.tag)) {\n invokeDestroyHook(oldVnode);\n }\n }\n }\n\n invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n return vnode.elm\n }\n}\n\n/* */\n\nvar directives = {\n create: updateDirectives,\n update: updateDirectives,\n destroy: function unbindDirectives (vnode) {\n updateDirectives(vnode, emptyNode);\n }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n if (oldVnode.data.directives || vnode.data.directives) {\n _update(oldVnode, vnode);\n }\n}\n\nfunction _update (oldVnode, vnode) {\n var isCreate = oldVnode === emptyNode;\n var isDestroy = vnode === emptyNode;\n var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n var dirsWithInsert = [];\n var dirsWithPostpatch = [];\n\n var key, oldDir, dir;\n for (key in newDirs) {\n oldDir = oldDirs[key];\n dir = newDirs[key];\n if (!oldDir) {\n // new directive, bind\n callHook$1(dir, 'bind', vnode, oldVnode);\n if (dir.def && dir.def.inserted) {\n dirsWithInsert.push(dir);\n }\n } else {\n // existing directive, update\n dir.oldValue = oldDir.value;\n callHook$1(dir, 'update', vnode, oldVnode);\n if (dir.def && dir.def.componentUpdated) {\n dirsWithPostpatch.push(dir);\n }\n }\n }\n\n if (dirsWithInsert.length) {\n var callInsert = function () {\n for (var i = 0; i < dirsWithInsert.length; i++) {\n callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n }\n };\n if (isCreate) {\n mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert);\n } else {\n callInsert();\n }\n }\n\n if (dirsWithPostpatch.length) {\n mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () {\n for (var i = 0; i < dirsWithPostpatch.length; i++) {\n callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n }\n });\n }\n\n if (!isCreate) {\n for (key in oldDirs) {\n if (!newDirs[key]) {\n // no longer present, unbind\n callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n }\n }\n }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n dirs,\n vm\n) {\n var res = Object.create(null);\n if (!dirs) {\n return res\n }\n var i, dir;\n for (i = 0; i < dirs.length; i++) {\n dir = dirs[i];\n if (!dir.modifiers) {\n dir.modifiers = emptyModifiers;\n }\n res[getRawDirName(dir)] = dir;\n dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n }\n return res\n}\n\nfunction getRawDirName (dir) {\n return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n var fn = dir.def && dir.def[hook];\n if (fn) {\n fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n }\n}\n\nvar baseModules = [\n ref,\n directives\n];\n\n/* */\n\nfunction updateAttrs (oldVnode, vnode) {\n if (!oldVnode.data.attrs && !vnode.data.attrs) {\n return\n }\n var key, cur, old;\n var elm = vnode.elm;\n var oldAttrs = oldVnode.data.attrs || {};\n var attrs = vnode.data.attrs || {};\n // clone observed objects, as the user probably wants to mutate it\n if (attrs.__ob__) {\n attrs = vnode.data.attrs = extend({}, attrs);\n }\n\n for (key in attrs) {\n cur = attrs[key];\n old = oldAttrs[key];\n if (old !== cur) {\n setAttr(elm, key, cur);\n }\n }\n // #4391: in IE9, setting type can reset value for input[type=radio]\n /* istanbul ignore if */\n if (isIE9 && attrs.value !== oldAttrs.value) {\n setAttr(elm, 'value', attrs.value);\n }\n for (key in oldAttrs) {\n if (attrs[key] == null) {\n if (isXlink(key)) {\n elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n } else if (!isEnumeratedAttr(key)) {\n elm.removeAttribute(key);\n }\n }\n }\n}\n\nfunction setAttr (el, key, value) {\n if (isBooleanAttr(key)) {\n // set attribute for blank value\n // e.g. \n if (isFalsyAttrValue(value)) {\n el.removeAttribute(key);\n } else {\n el.setAttribute(key, key);\n }\n } else if (isEnumeratedAttr(key)) {\n el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');\n } else if (isXlink(key)) {\n if (isFalsyAttrValue(value)) {\n el.removeAttributeNS(xlinkNS, getXlinkProp(key));\n } else {\n el.setAttributeNS(xlinkNS, key, value);\n }\n } else {\n if (isFalsyAttrValue(value)) {\n el.removeAttribute(key);\n } else {\n el.setAttribute(key, value);\n }\n }\n}\n\nvar attrs = {\n create: updateAttrs,\n update: updateAttrs\n};\n\n/* */\n\nfunction updateClass (oldVnode, vnode) {\n var el = vnode.elm;\n var data = vnode.data;\n var oldData = oldVnode.data;\n if (!data.staticClass && !data.class &&\n (!oldData || (!oldData.staticClass && !oldData.class))) {\n return\n }\n\n var cls = genClassForVnode(vnode);\n\n // handle transition classes\n var transitionClass = el._transitionClasses;\n if (transitionClass) {\n cls = concat(cls, stringifyClass(transitionClass));\n }\n\n // set the class\n if (cls !== el._prevClass) {\n el.setAttribute('class', cls);\n el._prevClass = cls;\n }\n}\n\nvar klass = {\n create: updateClass,\n update: updateClass\n};\n\n/* */\n\nvar validDivisionCharRE = /[\\w).+\\-_$\\]]/;\n\nfunction parseFilters (exp) {\n var inSingle = false;\n var inDouble = false;\n var inTemplateString = false;\n var inRegex = false;\n var curly = 0;\n var square = 0;\n var paren = 0;\n var lastFilterIndex = 0;\n var c, prev, i, expression, filters;\n\n for (i = 0; i < exp.length; i++) {\n prev = c;\n c = exp.charCodeAt(i);\n if (inSingle) {\n if (c === 0x27 && prev !== 0x5C) { inSingle = false; }\n } else if (inDouble) {\n if (c === 0x22 && prev !== 0x5C) { inDouble = false; }\n } else if (inTemplateString) {\n if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }\n } else if (inRegex) {\n if (c === 0x2f && prev !== 0x5C) { inRegex = false; }\n } else if (\n c === 0x7C && // pipe\n exp.charCodeAt(i + 1) !== 0x7C &&\n exp.charCodeAt(i - 1) !== 0x7C &&\n !curly && !square && !paren\n ) {\n if (expression === undefined) {\n // first filter, end of expression\n lastFilterIndex = i + 1;\n expression = exp.slice(0, i).trim();\n } else {\n pushFilter();\n }\n } else {\n switch (c) {\n case 0x22: inDouble = true; break // \"\n case 0x27: inSingle = true; break // '\n case 0x60: inTemplateString = true; break // `\n case 0x28: paren++; break // (\n case 0x29: paren--; break // )\n case 0x5B: square++; break // [\n case 0x5D: square--; break // ]\n case 0x7B: curly++; break // {\n case 0x7D: curly--; break // }\n }\n if (c === 0x2f) { // /\n var j = i - 1;\n var p = (void 0);\n // find first non-whitespace prev char\n for (; j >= 0; j--) {\n p = exp.charAt(j);\n if (p !== ' ') { break }\n }\n if (!p || !validDivisionCharRE.test(p)) {\n inRegex = true;\n }\n }\n }\n }\n\n if (expression === undefined) {\n expression = exp.slice(0, i).trim();\n } else if (lastFilterIndex !== 0) {\n pushFilter();\n }\n\n function pushFilter () {\n (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());\n lastFilterIndex = i + 1;\n }\n\n if (filters) {\n for (i = 0; i < filters.length; i++) {\n expression = wrapFilter(expression, filters[i]);\n }\n }\n\n return expression\n}\n\nfunction wrapFilter (exp, filter) {\n var i = filter.indexOf('(');\n if (i < 0) {\n // _f: resolveFilter\n return (\"_f(\\\"\" + filter + \"\\\")(\" + exp + \")\")\n } else {\n var name = filter.slice(0, i);\n var args = filter.slice(i + 1);\n return (\"_f(\\\"\" + name + \"\\\")(\" + exp + \",\" + args)\n }\n}\n\n/* */\n\nfunction baseWarn (msg) {\n console.error((\"[Vue compiler]: \" + msg));\n}\n\nfunction pluckModuleFunction (\n modules,\n key\n) {\n return modules\n ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })\n : []\n}\n\nfunction addProp (el, name, value) {\n (el.props || (el.props = [])).push({ name: name, value: value });\n}\n\nfunction addAttr (el, name, value) {\n (el.attrs || (el.attrs = [])).push({ name: name, value: value });\n}\n\nfunction addDirective (\n el,\n name,\n rawName,\n value,\n arg,\n modifiers\n) {\n (el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });\n}\n\nfunction addHandler (\n el,\n name,\n value,\n modifiers,\n important\n) {\n // check capture modifier\n if (modifiers && modifiers.capture) {\n delete modifiers.capture;\n name = '!' + name; // mark the event as captured\n }\n if (modifiers && modifiers.once) {\n delete modifiers.once;\n name = '~' + name; // mark the event as once\n }\n var events;\n if (modifiers && modifiers.native) {\n delete modifiers.native;\n events = el.nativeEvents || (el.nativeEvents = {});\n } else {\n events = el.events || (el.events = {});\n }\n var newHandler = { value: value, modifiers: modifiers };\n var handlers = events[name];\n /* istanbul ignore if */\n if (Array.isArray(handlers)) {\n important ? handlers.unshift(newHandler) : handlers.push(newHandler);\n } else if (handlers) {\n events[name] = important ? [newHandler, handlers] : [handlers, newHandler];\n } else {\n events[name] = newHandler;\n }\n}\n\nfunction getBindingAttr (\n el,\n name,\n getStatic\n) {\n var dynamicValue =\n getAndRemoveAttr(el, ':' + name) ||\n getAndRemoveAttr(el, 'v-bind:' + name);\n if (dynamicValue != null) {\n return parseFilters(dynamicValue)\n } else if (getStatic !== false) {\n var staticValue = getAndRemoveAttr(el, name);\n if (staticValue != null) {\n return JSON.stringify(staticValue)\n }\n }\n}\n\nfunction getAndRemoveAttr (el, name) {\n var val;\n if ((val = el.attrsMap[name]) != null) {\n var list = el.attrsList;\n for (var i = 0, l = list.length; i < l; i++) {\n if (list[i].name === name) {\n list.splice(i, 1);\n break\n }\n }\n }\n return val\n}\n\n/* */\n\n/**\n * Cross-platform code generation for component v-model\n */\nfunction genComponentModel (\n el,\n value,\n modifiers\n) {\n var ref = modifiers || {};\n var number = ref.number;\n var trim = ref.trim;\n\n var baseValueExpression = '$$v';\n var valueExpression = baseValueExpression;\n if (trim) {\n valueExpression =\n \"(typeof \" + baseValueExpression + \" === 'string'\" +\n \"? \" + baseValueExpression + \".trim()\" +\n \": \" + baseValueExpression + \")\";\n }\n if (number) {\n valueExpression = \"_n(\" + valueExpression + \")\";\n }\n var assignment = genAssignmentCode(value, valueExpression);\n\n el.model = {\n value: (\"(\" + value + \")\"),\n expression: (\"\\\"\" + value + \"\\\"\"),\n callback: (\"function (\" + baseValueExpression + \") {\" + assignment + \"}\")\n };\n}\n\n/**\n * Cross-platform codegen helper for generating v-model value assignment code.\n */\nfunction genAssignmentCode (\n value,\n assignment\n) {\n var modelRs = parseModel(value);\n if (modelRs.idx === null) {\n return (value + \"=\" + assignment)\n } else {\n return \"var $$exp = \" + (modelRs.exp) + \", $$idx = \" + (modelRs.idx) + \";\" +\n \"if (!Array.isArray($$exp)){\" +\n value + \"=\" + assignment + \"}\" +\n \"else{$$exp.splice($$idx, 1, \" + assignment + \")}\"\n }\n}\n\n/**\n * parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)\n *\n * for loop possible cases:\n *\n * - test\n * - test[idx]\n * - test[test1[idx]]\n * - test[\"a\"][idx]\n * - xxx.test[a[a].test1[idx]]\n * - test.xxx.a[\"asa\"][test1[idx]]\n *\n */\n\nvar len;\nvar str;\nvar chr;\nvar index$1;\nvar expressionPos;\nvar expressionEndPos;\n\nfunction parseModel (val) {\n str = val;\n len = str.length;\n index$1 = expressionPos = expressionEndPos = 0;\n\n if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {\n return {\n exp: val,\n idx: null\n }\n }\n\n while (!eof()) {\n chr = next();\n /* istanbul ignore if */\n if (isStringStart(chr)) {\n parseString(chr);\n } else if (chr === 0x5B) {\n parseBracket(chr);\n }\n }\n\n return {\n exp: val.substring(0, expressionPos),\n idx: val.substring(expressionPos + 1, expressionEndPos)\n }\n}\n\nfunction next () {\n return str.charCodeAt(++index$1)\n}\n\nfunction eof () {\n return index$1 >= len\n}\n\nfunction isStringStart (chr) {\n return chr === 0x22 || chr === 0x27\n}\n\nfunction parseBracket (chr) {\n var inBracket = 1;\n expressionPos = index$1;\n while (!eof()) {\n chr = next();\n if (isStringStart(chr)) {\n parseString(chr);\n continue\n }\n if (chr === 0x5B) { inBracket++; }\n if (chr === 0x5D) { inBracket--; }\n if (inBracket === 0) {\n expressionEndPos = index$1;\n break\n }\n }\n}\n\nfunction parseString (chr) {\n var stringQuote = chr;\n while (!eof()) {\n chr = next();\n if (chr === stringQuote) {\n break\n }\n }\n}\n\n/* */\n\nvar warn$1;\n\n// in some cases, the event used has to be determined at runtime\n// so we used some reserved tokens during compile.\nvar RANGE_TOKEN = '__r';\nvar CHECKBOX_RADIO_TOKEN = '__c';\n\nfunction model (\n el,\n dir,\n _warn\n) {\n warn$1 = _warn;\n var value = dir.value;\n var modifiers = dir.modifiers;\n var tag = el.tag;\n var type = el.attrsMap.type;\n\n {\n var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];\n if (tag === 'input' && dynamicType) {\n warn$1(\n \":\\n\" +\n \"v-model does not support dynamic input types. Use v-if branches instead.\"\n );\n }\n // inputs with type=\"file\" are read only and setting the input's\n // value will throw an error.\n if (tag === 'input' && type === 'file') {\n warn$1(\n \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\" type=\\\"file\\\">:\\n\" +\n \"File inputs are read only. Use a v-on:change listener instead.\"\n );\n }\n }\n\n if (tag === 'select') {\n genSelect(el, value, modifiers);\n } else if (tag === 'input' && type === 'checkbox') {\n genCheckboxModel(el, value, modifiers);\n } else if (tag === 'input' && type === 'radio') {\n genRadioModel(el, value, modifiers);\n } else if (tag === 'input' || tag === 'textarea') {\n genDefaultModel(el, value, modifiers);\n } else if (!config.isReservedTag(tag)) {\n genComponentModel(el, value, modifiers);\n // component v-model doesn't need extra runtime\n return false\n } else {\n warn$1(\n \"<\" + (el.tag) + \" v-model=\\\"\" + value + \"\\\">: \" +\n \"v-model is not supported on this element type. \" +\n 'If you are working with contenteditable, it\\'s recommended to ' +\n 'wrap a library dedicated for that purpose inside a custom component.'\n );\n }\n\n // ensure runtime directive metadata\n return true\n}\n\nfunction genCheckboxModel (\n el,\n value,\n modifiers\n) {\n var number = modifiers && modifiers.number;\n var valueBinding = getBindingAttr(el, 'value') || 'null';\n var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';\n var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';\n addProp(el, 'checked',\n \"Array.isArray(\" + value + \")\" +\n \"?_i(\" + value + \",\" + valueBinding + \")>-1\" + (\n trueValueBinding === 'true'\n ? (\":(\" + value + \")\")\n : (\":_q(\" + value + \",\" + trueValueBinding + \")\")\n )\n );\n addHandler(el, CHECKBOX_RADIO_TOKEN,\n \"var $$a=\" + value + \",\" +\n '$$el=$event.target,' +\n \"$$c=$$el.checked?(\" + trueValueBinding + \"):(\" + falseValueBinding + \");\" +\n 'if(Array.isArray($$a)){' +\n \"var $$v=\" + (number ? '_n(' + valueBinding + ')' : valueBinding) + \",\" +\n '$$i=_i($$a,$$v);' +\n \"if($$c){$$i<0&&(\" + value + \"=$$a.concat($$v))}\" +\n \"else{$$i>-1&&(\" + value + \"=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}\" +\n \"}else{\" + value + \"=$$c}\",\n null, true\n );\n}\n\nfunction genRadioModel (\n el,\n value,\n modifiers\n) {\n var number = modifiers && modifiers.number;\n var valueBinding = getBindingAttr(el, 'value') || 'null';\n valueBinding = number ? (\"_n(\" + valueBinding + \")\") : valueBinding;\n addProp(el, 'checked', (\"_q(\" + value + \",\" + valueBinding + \")\"));\n addHandler(el, CHECKBOX_RADIO_TOKEN, genAssignmentCode(value, valueBinding), null, true);\n}\n\nfunction genSelect (\n el,\n value,\n modifiers\n) {\n var number = modifiers && modifiers.number;\n var selectedVal = \"Array.prototype.filter\" +\n \".call($event.target.options,function(o){return o.selected})\" +\n \".map(function(o){var val = \\\"_value\\\" in o ? o._value : o.value;\" +\n \"return \" + (number ? '_n(val)' : 'val') + \"})\";\n\n var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';\n var code = \"var $$selectedVal = \" + selectedVal + \";\";\n code = code + \" \" + (genAssignmentCode(value, assignment));\n addHandler(el, 'change', code, null, true);\n}\n\nfunction genDefaultModel (\n el,\n value,\n modifiers\n) {\n var type = el.attrsMap.type;\n var ref = modifiers || {};\n var lazy = ref.lazy;\n var number = ref.number;\n var trim = ref.trim;\n var needCompositionGuard = !lazy && type !== 'range';\n var event = lazy\n ? 'change'\n : type === 'range'\n ? RANGE_TOKEN\n : 'input';\n\n var valueExpression = '$event.target.value';\n if (trim) {\n valueExpression = \"$event.target.value.trim()\";\n }\n if (number) {\n valueExpression = \"_n(\" + valueExpression + \")\";\n }\n\n var code = genAssignmentCode(value, valueExpression);\n if (needCompositionGuard) {\n code = \"if($event.target.composing)return;\" + code;\n }\n\n addProp(el, 'value', (\"(\" + value + \")\"));\n addHandler(el, event, code, null, true);\n if (trim || number || type === 'number') {\n addHandler(el, 'blur', '$forceUpdate()');\n }\n}\n\n/* */\n\n// normalize v-model event tokens that can only be determined at runtime.\n// it's important to place the event as the first in the array because\n// the whole point is ensuring the v-model callback gets called before\n// user-attached handlers.\nfunction normalizeEvents (on) {\n var event;\n /* istanbul ignore if */\n if (on[RANGE_TOKEN]) {\n // IE input[type=range] only supports `change` event\n event = isIE ? 'change' : 'input';\n on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);\n delete on[RANGE_TOKEN];\n }\n if (on[CHECKBOX_RADIO_TOKEN]) {\n // Chrome fires microtasks in between click/change, leads to #4521\n event = isChrome ? 'click' : 'change';\n on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);\n delete on[CHECKBOX_RADIO_TOKEN];\n }\n}\n\nvar target$1;\n\nfunction add$1 (\n event,\n handler,\n once,\n capture\n) {\n if (once) {\n var oldHandler = handler;\n var _target = target$1; // save current target element in closure\n handler = function (ev) {\n var res = arguments.length === 1\n ? oldHandler(ev)\n : oldHandler.apply(null, arguments);\n if (res !== null) {\n remove$2(event, handler, capture, _target);\n }\n };\n }\n target$1.addEventListener(event, handler, capture);\n}\n\nfunction remove$2 (\n event,\n handler,\n capture,\n _target\n) {\n (_target || target$1).removeEventListener(event, handler, capture);\n}\n\nfunction updateDOMListeners (oldVnode, vnode) {\n if (!oldVnode.data.on && !vnode.data.on) {\n return\n }\n var on = vnode.data.on || {};\n var oldOn = oldVnode.data.on || {};\n target$1 = vnode.elm;\n normalizeEvents(on);\n updateListeners(on, oldOn, add$1, remove$2, vnode.context);\n}\n\nvar events = {\n create: updateDOMListeners,\n update: updateDOMListeners\n};\n\n/* */\n\nfunction updateDOMProps (oldVnode, vnode) {\n if (!oldVnode.data.domProps && !vnode.data.domProps) {\n return\n }\n var key, cur;\n var elm = vnode.elm;\n var oldProps = oldVnode.data.domProps || {};\n var props = vnode.data.domProps || {};\n // clone observed objects, as the user probably wants to mutate it\n if (props.__ob__) {\n props = vnode.data.domProps = extend({}, props);\n }\n\n for (key in oldProps) {\n if (props[key] == null) {\n elm[key] = '';\n }\n }\n for (key in props) {\n cur = props[key];\n // ignore children if the node has textContent or innerHTML,\n // as these will throw away existing DOM nodes and cause removal errors\n // on subsequent patches (#3360)\n if (key === 'textContent' || key === 'innerHTML') {\n if (vnode.children) { vnode.children.length = 0; }\n if (cur === oldProps[key]) { continue }\n }\n\n if (key === 'value') {\n // store value as _value as well since\n // non-string values will be stringified\n elm._value = cur;\n // avoid resetting cursor position when value is the same\n var strCur = cur == null ? '' : String(cur);\n if (shouldUpdateValue(elm, vnode, strCur)) {\n elm.value = strCur;\n }\n } else {\n elm[key] = cur;\n }\n }\n}\n\n// check platforms/web/util/attrs.js acceptValue\n\n\nfunction shouldUpdateValue (\n elm,\n vnode,\n checkVal\n) {\n return (!elm.composing && (\n vnode.tag === 'option' ||\n isDirty(elm, checkVal) ||\n isInputChanged(elm, checkVal)\n ))\n}\n\nfunction isDirty (elm, checkVal) {\n // return true when textbox (.number and .trim) loses focus and its value is not equal to the updated value\n return document.activeElement !== elm && elm.value !== checkVal\n}\n\nfunction isInputChanged (elm, newVal) {\n var value = elm.value;\n var modifiers = elm._vModifiers; // injected by v-model runtime\n if ((modifiers && modifiers.number) || elm.type === 'number') {\n return toNumber(value) !== toNumber(newVal)\n }\n if (modifiers && modifiers.trim) {\n return value.trim() !== newVal.trim()\n }\n return value !== newVal\n}\n\nvar domProps = {\n create: updateDOMProps,\n update: updateDOMProps\n};\n\n/* */\n\nvar parseStyleText = cached(function (cssText) {\n var res = {};\n var listDelimiter = /;(?![^(]*\\))/g;\n var propertyDelimiter = /:(.+)/;\n cssText.split(listDelimiter).forEach(function (item) {\n if (item) {\n var tmp = item.split(propertyDelimiter);\n tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());\n }\n });\n return res\n});\n\n// merge static and dynamic style data on the same vnode\nfunction normalizeStyleData (data) {\n var style = normalizeStyleBinding(data.style);\n // static style is pre-processed into an object during compilation\n // and is always a fresh object, so it's safe to merge into it\n return data.staticStyle\n ? extend(data.staticStyle, style)\n : style\n}\n\n// normalize possible array / string values into Object\nfunction normalizeStyleBinding (bindingStyle) {\n if (Array.isArray(bindingStyle)) {\n return toObject(bindingStyle)\n }\n if (typeof bindingStyle === 'string') {\n return parseStyleText(bindingStyle)\n }\n return bindingStyle\n}\n\n/**\n * parent component style should be after child's\n * so that parent component's style could override it\n */\nfunction getStyle (vnode, checkChild) {\n var res = {};\n var styleData;\n\n if (checkChild) {\n var childNode = vnode;\n while (childNode.componentInstance) {\n childNode = childNode.componentInstance._vnode;\n if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {\n extend(res, styleData);\n }\n }\n }\n\n if ((styleData = normalizeStyleData(vnode.data))) {\n extend(res, styleData);\n }\n\n var parentNode = vnode;\n while ((parentNode = parentNode.parent)) {\n if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {\n extend(res, styleData);\n }\n }\n return res\n}\n\n/* */\n\nvar cssVarRE = /^--/;\nvar importantRE = /\\s*!important$/;\nvar setProp = function (el, name, val) {\n /* istanbul ignore if */\n if (cssVarRE.test(name)) {\n el.style.setProperty(name, val);\n } else if (importantRE.test(val)) {\n el.style.setProperty(name, val.replace(importantRE, ''), 'important');\n } else {\n el.style[normalize(name)] = val;\n }\n};\n\nvar prefixes = ['Webkit', 'Moz', 'ms'];\n\nvar testEl;\nvar normalize = cached(function (prop) {\n testEl = testEl || document.createElement('div');\n prop = camelize(prop);\n if (prop !== 'filter' && (prop in testEl.style)) {\n return prop\n }\n var upper = prop.charAt(0).toUpperCase() + prop.slice(1);\n for (var i = 0; i < prefixes.length; i++) {\n var prefixed = prefixes[i] + upper;\n if (prefixed in testEl.style) {\n return prefixed\n }\n }\n});\n\nfunction updateStyle (oldVnode, vnode) {\n var data = vnode.data;\n var oldData = oldVnode.data;\n\n if (!data.staticStyle && !data.style &&\n !oldData.staticStyle && !oldData.style) {\n return\n }\n\n var cur, name;\n var el = vnode.elm;\n var oldStaticStyle = oldVnode.data.staticStyle;\n var oldStyleBinding = oldVnode.data.style || {};\n\n // if static style exists, stylebinding already merged into it when doing normalizeStyleData\n var oldStyle = oldStaticStyle || oldStyleBinding;\n\n var style = normalizeStyleBinding(vnode.data.style) || {};\n\n vnode.data.style = style.__ob__ ? extend({}, style) : style;\n\n var newStyle = getStyle(vnode, true);\n\n for (name in oldStyle) {\n if (newStyle[name] == null) {\n setProp(el, name, '');\n }\n }\n for (name in newStyle) {\n cur = newStyle[name];\n if (cur !== oldStyle[name]) {\n // ie9 setting to null has no effect, must use empty string\n setProp(el, name, cur == null ? '' : cur);\n }\n }\n}\n\nvar style = {\n create: updateStyle,\n update: updateStyle\n};\n\n/* */\n\n/**\n * Add class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction addClass (el, cls) {\n /* istanbul ignore if */\n if (!cls || !(cls = cls.trim())) {\n return\n }\n\n /* istanbul ignore else */\n if (el.classList) {\n if (cls.indexOf(' ') > -1) {\n cls.split(/\\s+/).forEach(function (c) { return el.classList.add(c); });\n } else {\n el.classList.add(cls);\n }\n } else {\n var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n if (cur.indexOf(' ' + cls + ' ') < 0) {\n el.setAttribute('class', (cur + cls).trim());\n }\n }\n}\n\n/**\n * Remove class with compatibility for SVG since classList is not supported on\n * SVG elements in IE\n */\nfunction removeClass (el, cls) {\n /* istanbul ignore if */\n if (!cls || !(cls = cls.trim())) {\n return\n }\n\n /* istanbul ignore else */\n if (el.classList) {\n if (cls.indexOf(' ') > -1) {\n cls.split(/\\s+/).forEach(function (c) { return el.classList.remove(c); });\n } else {\n el.classList.remove(cls);\n }\n } else {\n var cur = \" \" + (el.getAttribute('class') || '') + \" \";\n var tar = ' ' + cls + ' ';\n while (cur.indexOf(tar) >= 0) {\n cur = cur.replace(tar, ' ');\n }\n el.setAttribute('class', cur.trim());\n }\n}\n\n/* */\n\nfunction resolveTransition (def$$1) {\n if (!def$$1) {\n return\n }\n /* istanbul ignore else */\n if (typeof def$$1 === 'object') {\n var res = {};\n if (def$$1.css !== false) {\n extend(res, autoCssTransition(def$$1.name || 'v'));\n }\n extend(res, def$$1);\n return res\n } else if (typeof def$$1 === 'string') {\n return autoCssTransition(def$$1)\n }\n}\n\nvar autoCssTransition = cached(function (name) {\n return {\n enterClass: (name + \"-enter\"),\n enterToClass: (name + \"-enter-to\"),\n enterActiveClass: (name + \"-enter-active\"),\n leaveClass: (name + \"-leave\"),\n leaveToClass: (name + \"-leave-to\"),\n leaveActiveClass: (name + \"-leave-active\")\n }\n});\n\nvar hasTransition = inBrowser && !isIE9;\nvar TRANSITION = 'transition';\nvar ANIMATION = 'animation';\n\n// Transition property/event sniffing\nvar transitionProp = 'transition';\nvar transitionEndEvent = 'transitionend';\nvar animationProp = 'animation';\nvar animationEndEvent = 'animationend';\nif (hasTransition) {\n /* istanbul ignore if */\n if (window.ontransitionend === undefined &&\n window.onwebkittransitionend !== undefined) {\n transitionProp = 'WebkitTransition';\n transitionEndEvent = 'webkitTransitionEnd';\n }\n if (window.onanimationend === undefined &&\n window.onwebkitanimationend !== undefined) {\n animationProp = 'WebkitAnimation';\n animationEndEvent = 'webkitAnimationEnd';\n }\n}\n\n// binding to window is necessary to make hot reload work in IE in strict mode\nvar raf = inBrowser && window.requestAnimationFrame\n ? window.requestAnimationFrame.bind(window)\n : setTimeout;\n\nfunction nextFrame (fn) {\n raf(function () {\n raf(fn);\n });\n}\n\nfunction addTransitionClass (el, cls) {\n (el._transitionClasses || (el._transitionClasses = [])).push(cls);\n addClass(el, cls);\n}\n\nfunction removeTransitionClass (el, cls) {\n if (el._transitionClasses) {\n remove(el._transitionClasses, cls);\n }\n removeClass(el, cls);\n}\n\nfunction whenTransitionEnds (\n el,\n expectedType,\n cb\n) {\n var ref = getTransitionInfo(el, expectedType);\n var type = ref.type;\n var timeout = ref.timeout;\n var propCount = ref.propCount;\n if (!type) { return cb() }\n var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;\n var ended = 0;\n var end = function () {\n el.removeEventListener(event, onEnd);\n cb();\n };\n var onEnd = function (e) {\n if (e.target === el) {\n if (++ended >= propCount) {\n end();\n }\n }\n };\n setTimeout(function () {\n if (ended < propCount) {\n end();\n }\n }, timeout + 1);\n el.addEventListener(event, onEnd);\n}\n\nvar transformRE = /\\b(transform|all)(,|$)/;\n\nfunction getTransitionInfo (el, expectedType) {\n var styles = window.getComputedStyle(el);\n var transitionDelays = styles[transitionProp + 'Delay'].split(', ');\n var transitionDurations = styles[transitionProp + 'Duration'].split(', ');\n var transitionTimeout = getTimeout(transitionDelays, transitionDurations);\n var animationDelays = styles[animationProp + 'Delay'].split(', ');\n var animationDurations = styles[animationProp + 'Duration'].split(', ');\n var animationTimeout = getTimeout(animationDelays, animationDurations);\n\n var type;\n var timeout = 0;\n var propCount = 0;\n /* istanbul ignore if */\n if (expectedType === TRANSITION) {\n if (transitionTimeout > 0) {\n type = TRANSITION;\n timeout = transitionTimeout;\n propCount = transitionDurations.length;\n }\n } else if (expectedType === ANIMATION) {\n if (animationTimeout > 0) {\n type = ANIMATION;\n timeout = animationTimeout;\n propCount = animationDurations.length;\n }\n } else {\n timeout = Math.max(transitionTimeout, animationTimeout);\n type = timeout > 0\n ? transitionTimeout > animationTimeout\n ? TRANSITION\n : ANIMATION\n : null;\n propCount = type\n ? type === TRANSITION\n ? transitionDurations.length\n : animationDurations.length\n : 0;\n }\n var hasTransform =\n type === TRANSITION &&\n transformRE.test(styles[transitionProp + 'Property']);\n return {\n type: type,\n timeout: timeout,\n propCount: propCount,\n hasTransform: hasTransform\n }\n}\n\nfunction getTimeout (delays, durations) {\n /* istanbul ignore next */\n while (delays.length < durations.length) {\n delays = delays.concat(delays);\n }\n\n return Math.max.apply(null, durations.map(function (d, i) {\n return toMs(d) + toMs(delays[i])\n }))\n}\n\nfunction toMs (s) {\n return Number(s.slice(0, -1)) * 1000\n}\n\n/* */\n\nfunction enter (vnode, toggleDisplay) {\n var el = vnode.elm;\n\n // call leave callback now\n if (el._leaveCb) {\n el._leaveCb.cancelled = true;\n el._leaveCb();\n }\n\n var data = resolveTransition(vnode.data.transition);\n if (!data) {\n return\n }\n\n /* istanbul ignore if */\n if (el._enterCb || el.nodeType !== 1) {\n return\n }\n\n var css = data.css;\n var type = data.type;\n var enterClass = data.enterClass;\n var enterToClass = data.enterToClass;\n var enterActiveClass = data.enterActiveClass;\n var appearClass = data.appearClass;\n var appearToClass = data.appearToClass;\n var appearActiveClass = data.appearActiveClass;\n var beforeEnter = data.beforeEnter;\n var enter = data.enter;\n var afterEnter = data.afterEnter;\n var enterCancelled = data.enterCancelled;\n var beforeAppear = data.beforeAppear;\n var appear = data.appear;\n var afterAppear = data.afterAppear;\n var appearCancelled = data.appearCancelled;\n var duration = data.duration;\n\n // activeInstance will always be the component managing this\n // transition. One edge case to check is when the is placed\n // as the root node of a child component. In that case we need to check\n // 's parent for appear check.\n var context = activeInstance;\n var transitionNode = activeInstance.$vnode;\n while (transitionNode && transitionNode.parent) {\n transitionNode = transitionNode.parent;\n context = transitionNode.context;\n }\n\n var isAppear = !context._isMounted || !vnode.isRootInsert;\n\n if (isAppear && !appear && appear !== '') {\n return\n }\n\n var startClass = isAppear && appearClass\n ? appearClass\n : enterClass;\n var activeClass = isAppear && appearActiveClass\n ? appearActiveClass\n : enterActiveClass;\n var toClass = isAppear && appearToClass\n ? appearToClass\n : enterToClass;\n\n var beforeEnterHook = isAppear\n ? (beforeAppear || beforeEnter)\n : beforeEnter;\n var enterHook = isAppear\n ? (typeof appear === 'function' ? appear : enter)\n : enter;\n var afterEnterHook = isAppear\n ? (afterAppear || afterEnter)\n : afterEnter;\n var enterCancelledHook = isAppear\n ? (appearCancelled || enterCancelled)\n : enterCancelled;\n\n var explicitEnterDuration = toNumber(\n isObject(duration)\n ? duration.enter\n : duration\n );\n\n if (\"development\" !== 'production' && explicitEnterDuration != null) {\n checkDuration(explicitEnterDuration, 'enter', vnode);\n }\n\n var expectsCSS = css !== false && !isIE9;\n var userWantsControl = getHookArgumentsLength(enterHook);\n\n var cb = el._enterCb = once(function () {\n if (expectsCSS) {\n removeTransitionClass(el, toClass);\n removeTransitionClass(el, activeClass);\n }\n if (cb.cancelled) {\n if (expectsCSS) {\n removeTransitionClass(el, startClass);\n }\n enterCancelledHook && enterCancelledHook(el);\n } else {\n afterEnterHook && afterEnterHook(el);\n }\n el._enterCb = null;\n });\n\n if (!vnode.data.show) {\n // remove pending leave element on enter by injecting an insert hook\n mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {\n var parent = el.parentNode;\n var pendingNode = parent && parent._pending && parent._pending[vnode.key];\n if (pendingNode &&\n pendingNode.tag === vnode.tag &&\n pendingNode.elm._leaveCb) {\n pendingNode.elm._leaveCb();\n }\n enterHook && enterHook(el, cb);\n });\n }\n\n // start enter transition\n beforeEnterHook && beforeEnterHook(el);\n if (expectsCSS) {\n addTransitionClass(el, startClass);\n addTransitionClass(el, activeClass);\n nextFrame(function () {\n addTransitionClass(el, toClass);\n removeTransitionClass(el, startClass);\n if (!cb.cancelled && !userWantsControl) {\n if (isValidDuration(explicitEnterDuration)) {\n setTimeout(cb, explicitEnterDuration);\n } else {\n whenTransitionEnds(el, type, cb);\n }\n }\n });\n }\n\n if (vnode.data.show) {\n toggleDisplay && toggleDisplay();\n enterHook && enterHook(el, cb);\n }\n\n if (!expectsCSS && !userWantsControl) {\n cb();\n }\n}\n\nfunction leave (vnode, rm) {\n var el = vnode.elm;\n\n // call enter callback now\n if (el._enterCb) {\n el._enterCb.cancelled = true;\n el._enterCb();\n }\n\n var data = resolveTransition(vnode.data.transition);\n if (!data) {\n return rm()\n }\n\n /* istanbul ignore if */\n if (el._leaveCb || el.nodeType !== 1) {\n return\n }\n\n var css = data.css;\n var type = data.type;\n var leaveClass = data.leaveClass;\n var leaveToClass = data.leaveToClass;\n var leaveActiveClass = data.leaveActiveClass;\n var beforeLeave = data.beforeLeave;\n var leave = data.leave;\n var afterLeave = data.afterLeave;\n var leaveCancelled = data.leaveCancelled;\n var delayLeave = data.delayLeave;\n var duration = data.duration;\n\n var expectsCSS = css !== false && !isIE9;\n var userWantsControl = getHookArgumentsLength(leave);\n\n var explicitLeaveDuration = toNumber(\n isObject(duration)\n ? duration.leave\n : duration\n );\n\n if (\"development\" !== 'production' && explicitLeaveDuration != null) {\n checkDuration(explicitLeaveDuration, 'leave', vnode);\n }\n\n var cb = el._leaveCb = once(function () {\n if (el.parentNode && el.parentNode._pending) {\n el.parentNode._pending[vnode.key] = null;\n }\n if (expectsCSS) {\n removeTransitionClass(el, leaveToClass);\n removeTransitionClass(el, leaveActiveClass);\n }\n if (cb.cancelled) {\n if (expectsCSS) {\n removeTransitionClass(el, leaveClass);\n }\n leaveCancelled && leaveCancelled(el);\n } else {\n rm();\n afterLeave && afterLeave(el);\n }\n el._leaveCb = null;\n });\n\n if (delayLeave) {\n delayLeave(performLeave);\n } else {\n performLeave();\n }\n\n function performLeave () {\n // the delayed leave may have already been cancelled\n if (cb.cancelled) {\n return\n }\n // record leaving element\n if (!vnode.data.show) {\n (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;\n }\n beforeLeave && beforeLeave(el);\n if (expectsCSS) {\n addTransitionClass(el, leaveClass);\n addTransitionClass(el, leaveActiveClass);\n nextFrame(function () {\n addTransitionClass(el, leaveToClass);\n removeTransitionClass(el, leaveClass);\n if (!cb.cancelled && !userWantsControl) {\n if (isValidDuration(explicitLeaveDuration)) {\n setTimeout(cb, explicitLeaveDuration);\n } else {\n whenTransitionEnds(el, type, cb);\n }\n }\n });\n }\n leave && leave(el, cb);\n if (!expectsCSS && !userWantsControl) {\n cb();\n }\n }\n}\n\n// only used in dev mode\nfunction checkDuration (val, name, vnode) {\n if (typeof val !== 'number') {\n warn(\n \" explicit \" + name + \" duration is not a valid number - \" +\n \"got \" + (JSON.stringify(val)) + \".\",\n vnode.context\n );\n } else if (isNaN(val)) {\n warn(\n \" explicit \" + name + \" duration is NaN - \" +\n 'the duration expression might be incorrect.',\n vnode.context\n );\n }\n}\n\nfunction isValidDuration (val) {\n return typeof val === 'number' && !isNaN(val)\n}\n\n/**\n * Normalize a transition hook's argument length. The hook may be:\n * - a merged hook (invoker) with the original in .fns\n * - a wrapped component method (check ._length)\n * - a plain function (.length)\n */\nfunction getHookArgumentsLength (fn) {\n if (!fn) { return false }\n var invokerFns = fn.fns;\n if (invokerFns) {\n // invoker\n return getHookArgumentsLength(\n Array.isArray(invokerFns)\n ? invokerFns[0]\n : invokerFns\n )\n } else {\n return (fn._length || fn.length) > 1\n }\n}\n\nfunction _enter (_, vnode) {\n if (!vnode.data.show) {\n enter(vnode);\n }\n}\n\nvar transition = inBrowser ? {\n create: _enter,\n activate: _enter,\n remove: function remove$$1 (vnode, rm) {\n /* istanbul ignore else */\n if (!vnode.data.show) {\n leave(vnode, rm);\n } else {\n rm();\n }\n }\n} : {};\n\nvar platformModules = [\n attrs,\n klass,\n events,\n domProps,\n style,\n transition\n];\n\n/* */\n\n// the directive module should be applied last, after all\n// built-in modules have been applied.\nvar modules = platformModules.concat(baseModules);\n\nvar patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });\n\n/**\n * Not type checking this file because flow doesn't like attaching\n * properties to Elements.\n */\n\n/* istanbul ignore if */\nif (isIE9) {\n // http://www.matts411.com/post/internet-explorer-9-oninput/\n document.addEventListener('selectionchange', function () {\n var el = document.activeElement;\n if (el && el.vmodel) {\n trigger(el, 'input');\n }\n });\n}\n\nvar model$1 = {\n inserted: function inserted (el, binding, vnode) {\n if (vnode.tag === 'select') {\n var cb = function () {\n setSelected(el, binding, vnode.context);\n };\n cb();\n /* istanbul ignore if */\n if (isIE || isEdge) {\n setTimeout(cb, 0);\n }\n } else if (vnode.tag === 'textarea' || el.type === 'text' || el.type === 'password') {\n el._vModifiers = binding.modifiers;\n if (!binding.modifiers.lazy) {\n if (!isAndroid) {\n el.addEventListener('compositionstart', onCompositionStart);\n el.addEventListener('compositionend', onCompositionEnd);\n }\n /* istanbul ignore if */\n if (isIE9) {\n el.vmodel = true;\n }\n }\n }\n },\n componentUpdated: function componentUpdated (el, binding, vnode) {\n if (vnode.tag === 'select') {\n setSelected(el, binding, vnode.context);\n // in case the options rendered by v-for have changed,\n // it's possible that the value is out-of-sync with the rendered options.\n // detect such cases and filter out values that no longer has a matching\n // option in the DOM.\n var needReset = el.multiple\n ? binding.value.some(function (v) { return hasNoMatchingOption(v, el.options); })\n : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, el.options);\n if (needReset) {\n trigger(el, 'change');\n }\n }\n }\n};\n\nfunction setSelected (el, binding, vm) {\n var value = binding.value;\n var isMultiple = el.multiple;\n if (isMultiple && !Array.isArray(value)) {\n \"development\" !== 'production' && warn(\n \"