From a51285ade1d06f2383796cc2d9f36c33b46f79a4 Mon Sep 17 00:00:00 2001 From: Fatih Acet Date: Thu, 3 Nov 2016 00:04:37 +0300 Subject: Bump up vue version. --- vendor/assets/javascripts/vue.full.js | 16218 ++++++++++++++------------------ vendor/assets/javascripts/vue.min.js | 10 +- 2 files changed, 6834 insertions(+), 9394 deletions(-) diff --git a/vendor/assets/javascripts/vue.full.js b/vendor/assets/javascripts/vue.full.js index 7ae95897a01..ea15bfac416 100644 --- a/vendor/assets/javascripts/vue.full.js +++ b/vendor/assets/javascripts/vue.full.js @@ -1,10073 +1,7515 @@ /*! - * Vue.js v1.0.26 - * (c) 2016 Evan You + * Vue.js v2.0.3 + * (c) 2014-2016 Evan You * Released under the MIT License. */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global.Vue = factory()); -}(this, function () { 'use strict'; +}(this, (function () { 'use strict'; - function set(obj, key, val) { - if (hasOwn(obj, key)) { - obj[key] = val; - return; - } - if (obj._isVue) { - set(obj._data, key, val); - return; - } - var ob = obj.__ob__; - if (!ob) { - obj[key] = val; - return; - } - ob.convert(key, val); - ob.dep.notify(); - if (ob.vms) { - var i = ob.vms.length; - while (i--) { - var vm = ob.vms[i]; - vm._proxy(key); - vm._digest(); - } - } - return val; - } +/* */ - /** - * Delete a property and trigger change if necessary. - * - * @param {Object} obj - * @param {String} key - */ +/** + * Convert a value to a string that is actually rendered. + */ +function _toString (val) { + return val == null + ? '' + : typeof val === 'object' + ? JSON.stringify(val, null, 2) + : String(val) +} + +/** + * Convert a input value to a number for persistence. + * If the conversion fails, return original string. + */ +function toNumber (val) { + var n = parseFloat(val, 10); + return (n || n === 0) ? n : val +} + +/** + * Make a map and return a function for checking if a key + * is in that map. + */ +function makeMap ( + str, + expectsLowerCase +) { + var map = Object.create(null); + var list = str.split(','); + for (var i = 0; i < list.length; i++) { + map[list[i]] = true; + } + return expectsLowerCase + ? function (val) { return map[val.toLowerCase()]; } + : function (val) { return map[val]; } +} + +/** + * Check if a tag is a built-in tag. + */ +var isBuiltInTag = makeMap('slot,component', true); - function del(obj, key) { - if (!hasOwn(obj, key)) { - return; - } - delete obj[key]; - var ob = obj.__ob__; - if (!ob) { - if (obj._isVue) { - delete obj._data[key]; - obj._digest(); - } - return; - } - ob.dep.notify(); - if (ob.vms) { - var i = ob.vms.length; - while (i--) { - var vm = ob.vms[i]; - vm._unproxy(key); - vm._digest(); - } +/** + * Remove an item from an array + */ +function remove$1 (arr, item) { + if (arr.length) { + var index = arr.indexOf(item); + if (index > -1) { + return arr.splice(index, 1) } } +} - var hasOwnProperty = Object.prototype.hasOwnProperty; - /** - * Check whether the object has the property. - * - * @param {Object} obj - * @param {String} key - * @return {Boolean} - */ +/** + * Check whether the object has the property. + */ +var hasOwnProperty = Object.prototype.hasOwnProperty; +function hasOwn (obj, key) { + return hasOwnProperty.call(obj, key) +} + +/** + * Check if value is primitive + */ +function isPrimitive (value) { + return typeof value === 'string' || typeof value === 'number' +} - function hasOwn(obj, key) { - return hasOwnProperty.call(obj, key); +/** + * Create a cached version of a pure function. + */ +function cached (fn) { + var cache = Object.create(null); + return function cachedFn (str) { + var hit = cache[str]; + return hit || (cache[str] = fn(str)) } +} - /** - * Check if an expression is a literal value. - * - * @param {String} exp - * @return {Boolean} - */ +/** + * Camelize a hyphen-delmited string. + */ +var camelizeRE = /-(\w)/g; +var camelize = cached(function (str) { + return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }) +}); - var literalValueRE = /^\s?(true|false|-?[\d\.]+|'[^']*'|"[^"]*")\s?$/; +/** + * Capitalize a string. + */ +var capitalize = cached(function (str) { + return str.charAt(0).toUpperCase() + str.slice(1) +}); - function isLiteral(exp) { - return literalValueRE.test(exp); +/** + * Hyphenate a camelCase string. + */ +var hyphenateRE = /([^-])([A-Z])/g; +var hyphenate = cached(function (str) { + return str + .replace(hyphenateRE, '$1-$2') + .replace(hyphenateRE, '$1-$2') + .toLowerCase() +}); + +/** + * Simple bind, faster than native + */ +function bind$1 (fn, ctx) { + function boundFn (a) { + var l = arguments.length; + return l + ? l > 1 + ? fn.apply(ctx, arguments) + : fn.call(ctx, a) + : fn.call(ctx) + } + // record original fn length + boundFn._length = fn.length; + return boundFn +} + +/** + * Convert an Array-like object to a real Array. + */ +function toArray (list, start) { + start = start || 0; + var i = list.length - start; + var ret = new Array(i); + while (i--) { + ret[i] = list[i + start]; + } + return ret +} + +/** + * Mix properties into target object. + */ +function extend (to, _from) { + for (var key in _from) { + to[key] = _from[key]; } + return to +} - /** - * Check if a string starts with $ or _ - * - * @param {String} str - * @return {Boolean} - */ +/** + * Quick object check - this is primarily used to tell + * Objects from primitive values when we know the value + * is a JSON-compliant type. + */ +function isObject (obj) { + return obj !== null && typeof obj === 'object' +} - function isReserved(str) { - var c = (str + '').charCodeAt(0); - return c === 0x24 || c === 0x5F; +/** + * Strict object type check. Only returns true + * for plain JavaScript objects. + */ +var toString = Object.prototype.toString; +var OBJECT_STRING = '[object Object]'; +function isPlainObject (obj) { + return toString.call(obj) === OBJECT_STRING +} + +/** + * Merge an Array of Objects into a single Object. + */ +function toObject (arr) { + var res = {}; + for (var i = 0; i < arr.length; i++) { + if (arr[i]) { + extend(res, arr[i]); + } } + return res +} - /** - * Guard text output, make sure undefined outputs - * empty string - * - * @param {*} value - * @return {String} - */ +/** + * Perform no operation. + */ +function noop () {} - function _toString(value) { - return value == null ? '' : value.toString(); - } +/** + * Always return false. + */ +var no = function () { return false; }; - /** - * Check and convert possible numeric strings to numbers - * before setting back to data - * - * @param {*} value - * @return {*|Number} - */ +/** + * Generate a static keys string from compiler modules. + */ +function genStaticKeys (modules) { + return modules.reduce(function (keys, m) { + return keys.concat(m.staticKeys || []) + }, []).join(',') +} + +/** + * Check if two values are loosely equal - that is, + * if they are plain objects, do they have the same shape? + */ +function looseEqual (a, b) { + /* eslint-disable eqeqeq */ + return a == b || ( + isObject(a) && isObject(b) + ? JSON.stringify(a) === JSON.stringify(b) + : false + ) + /* eslint-enable eqeqeq */ +} - function toNumber(value) { - if (typeof value !== 'string') { - return value; - } else { - var parsed = Number(value); - return isNaN(parsed) ? value : parsed; - } +function looseIndexOf (arr, val) { + for (var i = 0; i < arr.length; i++) { + if (looseEqual(arr[i], val)) { return i } } + return -1 +} - /** - * Convert string boolean literals into real booleans. - * - * @param {*} value - * @return {*|Boolean} - */ - - function toBoolean(value) { - return value === 'true' ? true : value === 'false' ? false : value; - } +/* */ +var config = { /** - * Strip quotes from a string - * - * @param {String} str - * @return {String | false} + * Option merge strategies (used in core/util/options) */ - - function stripQuotes(str) { - var a = str.charCodeAt(0); - var b = str.charCodeAt(str.length - 1); - return a === b && (a === 0x22 || a === 0x27) ? str.slice(1, -1) : str; - } + optionMergeStrategies: Object.create(null), /** - * Camelize a hyphen-delmited string. - * - * @param {String} str - * @return {String} + * Whether to suppress warnings. */ - - var camelizeRE = /-(\w)/g; - - function camelize(str) { - return str.replace(camelizeRE, toUpper); - } - - function toUpper(_, c) { - return c ? c.toUpperCase() : ''; - } + silent: false, /** - * Hyphenate a camelCase string. - * - * @param {String} str - * @return {String} + * Whether to enable devtools */ - - var hyphenateRE = /([a-z\d])([A-Z])/g; - - function hyphenate(str) { - return str.replace(hyphenateRE, '$1-$2').toLowerCase(); - } + devtools: "development" !== 'production', /** - * Converts hyphen/underscore/slash delimitered names into - * camelized classNames. - * - * e.g. my-component => MyComponent - * some_else => SomeElse - * some/comp => SomeComp - * - * @param {String} str - * @return {String} + * Error handler for watcher errors */ - - var classifyRE = /(?:^|[-_\/])(\w)/g; - - function classify(str) { - return str.replace(classifyRE, toUpper); - } + errorHandler: null, /** - * Simple bind, faster than native - * - * @param {Function} fn - * @param {Object} ctx - * @return {Function} + * Ignore certain custom elements */ - - function bind(fn, ctx) { - return function (a) { - var l = arguments.length; - return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx); - }; - } + ignoredElements: null, /** - * Convert an Array-like object to a real Array. - * - * @param {Array-like} list - * @param {Number} [start] - start index - * @return {Array} + * Custom user key aliases for v-on */ - - function toArray(list, start) { - start = start || 0; - var i = list.length - start; - var ret = new Array(i); - while (i--) { - ret[i] = list[i + start]; - } - return ret; - } + keyCodes: Object.create(null), /** - * Mix properties into target object. - * - * @param {Object} to - * @param {Object} from + * Check if a tag is reserved so that it cannot be registered as a + * component. This is platform-dependent and may be overwritten. */ - - function extend(to, from) { - var keys = Object.keys(from); - var i = keys.length; - while (i--) { - to[keys[i]] = from[keys[i]]; - } - return to; - } + isReservedTag: no, /** - * Quick object check - this is primarily used to tell - * Objects from primitive values when we know the value - * is a JSON-compliant type. - * - * @param {*} obj - * @return {Boolean} + * Check if a tag is an unknown element. + * Platform-dependent. */ - - function isObject(obj) { - return obj !== null && typeof obj === 'object'; - } + isUnknownElement: no, /** - * Strict object type check. Only returns true - * for plain JavaScript objects. - * - * @param {*} obj - * @return {Boolean} + * Get the namespace of an element */ - - var toString = Object.prototype.toString; - var OBJECT_STRING = '[object Object]'; - - function isPlainObject(obj) { - return toString.call(obj) === OBJECT_STRING; - } + getTagNamespace: noop, /** - * Array type check. - * - * @param {*} obj - * @return {Boolean} + * Check if an attribute must be bound using property, e.g. value + * Platform-dependent. */ - - var isArray = Array.isArray; + mustUseProp: no, /** - * Define a property. - * - * @param {Object} obj - * @param {String} key - * @param {*} val - * @param {Boolean} [enumerable] + * List of asset types that a component can own. */ - - function def(obj, key, val, enumerable) { - Object.defineProperty(obj, key, { - value: val, - enumerable: !!enumerable, - writable: true, - configurable: true - }); - } + _assetTypes: [ + 'component', + 'directive', + 'filter' + ], /** - * Debounce a function so it only gets called after the - * input stops arriving after the given wait period. - * - * @param {Function} func - * @param {Number} wait - * @return {Function} - the debounced function + * List of lifecycle hooks. */ - - function _debounce(func, wait) { - var timeout, args, context, timestamp, result; - var later = function later() { - var last = Date.now() - timestamp; - if (last < wait && last >= 0) { - timeout = setTimeout(later, wait - last); - } else { - timeout = null; - result = func.apply(context, args); - if (!timeout) context = args = null; - } - }; - return function () { - context = this; - args = arguments; - timestamp = Date.now(); - if (!timeout) { - timeout = setTimeout(later, wait); - } - return result; - }; - } + _lifecycleHooks: [ + 'beforeCreate', + 'created', + 'beforeMount', + 'mounted', + 'beforeUpdate', + 'updated', + 'beforeDestroy', + 'destroyed', + 'activated', + 'deactivated' + ], /** - * Manual indexOf because it's slightly faster than - * native. - * - * @param {Array} arr - * @param {*} obj + * Max circular updates allowed in a scheduler flush cycle. */ - - function indexOf(arr, obj) { - var i = arr.length; - while (i--) { - if (arr[i] === obj) return i; - } - return -1; - } + _maxUpdateCount: 100, /** - * Make a cancellable version of an async callback. - * - * @param {Function} fn - * @return {Function} + * Server rendering? */ + _isServer: "client" === 'server' +}; - function cancellable(fn) { - var cb = function cb() { - if (!cb.cancelled) { - return fn.apply(this, arguments); - } - }; - cb.cancel = function () { - cb.cancelled = true; - }; - return cb; - } +/* */ - /** - * Check if two values are loosely equal - that is, - * if they are plain objects, do they have the same shape? - * - * @param {*} a - * @param {*} b - * @return {Boolean} - */ +/** + * Check if a string starts with $ or _ + */ +function isReserved (str) { + var c = (str + '').charCodeAt(0); + return c === 0x24 || c === 0x5F +} + +/** + * Define a property. + */ +function def (obj, key, val, enumerable) { + Object.defineProperty(obj, key, { + value: val, + enumerable: !!enumerable, + writable: true, + configurable: true + }); +} - function looseEqual(a, b) { - /* eslint-disable eqeqeq */ - return a == b || (isObject(a) && isObject(b) ? JSON.stringify(a) === JSON.stringify(b) : false); - /* eslint-enable eqeqeq */ +/** + * Parse simple path. + */ +var bailRE = /[^\w\.\$]/; +function parsePath (path) { + if (bailRE.test(path)) { + return + } else { + var segments = path.split('.'); + return function (obj) { + for (var i = 0; i < segments.length; i++) { + if (!obj) { return } + obj = obj[segments[i]]; + } + return obj + } } +} - var hasProto = ('__proto__' in {}); +/* */ +/* globals MutationObserver */ - // Browser environment sniffing - var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]'; +// can we use __proto__? +var hasProto = '__proto__' in {}; - // detect devtools - var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; +// Browser environment sniffing +var inBrowser = + typeof window !== 'undefined' && + Object.prototype.toString.call(window) !== '[object Object]'; - // UA sniffing for working around browser-specific quirks - var UA = inBrowser && window.navigator.userAgent.toLowerCase(); - var isIE = UA && UA.indexOf('trident') > 0; - var isIE9 = UA && UA.indexOf('msie 9.0') > 0; - var isAndroid = UA && UA.indexOf('android') > 0; - var isIos = UA && /(iphone|ipad|ipod|ios)/i.test(UA); - var iosVersionMatch = isIos && UA.match(/os ([\d_]+)/); - var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_'); +var UA = inBrowser && window.navigator.userAgent.toLowerCase(); +var isIE = UA && /msie|trident/.test(UA); +var isIE9 = UA && UA.indexOf('msie 9.0') > 0; +var isEdge = UA && UA.indexOf('edge/') > 0; +var isAndroid = UA && UA.indexOf('android') > 0; +var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA); - // detecting iOS UIWebView by indexedDB - var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB; +// detect devtools +var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; - var transitionProp = undefined; - var transitionEndEvent = undefined; - var animationProp = undefined; - var animationEndEvent = undefined; +/* istanbul ignore next */ +function isNative (Ctor) { + return /native code/.test(Ctor.toString()) +} - // Transition property/event sniffing - if (inBrowser && !isIE9) { - var isWebkitTrans = window.ontransitionend === undefined && window.onwebkittransitionend !== undefined; - var isWebkitAnim = window.onanimationend === undefined && window.onwebkitanimationend !== undefined; - transitionProp = isWebkitTrans ? 'WebkitTransition' : 'transition'; - transitionEndEvent = isWebkitTrans ? 'webkitTransitionEnd' : 'transitionend'; - animationProp = isWebkitAnim ? 'WebkitAnimation' : 'animation'; - animationEndEvent = isWebkitAnim ? 'webkitAnimationEnd' : 'animationend'; +/** + * Defer a task to execute it asynchronously. + */ +var nextTick = (function () { + var callbacks = []; + var pending = false; + var timerFunc; + + function nextTickHandler () { + pending = false; + var copies = callbacks.slice(0); + callbacks.length = 0; + for (var i = 0; i < copies.length; i++) { + copies[i](); + } + } + + // the nextTick behavior leverages the microtask queue, which can be accessed + // via either native Promise.then or MutationObserver. + // MutationObserver has wider support, however it is seriously bugged in + // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It + // completely stops working after triggering a few times... so, if native + // Promise is available, we will use it: + /* istanbul ignore if */ + if (typeof Promise !== 'undefined' && isNative(Promise)) { + var p = Promise.resolve(); + timerFunc = function () { + p.then(nextTickHandler); + // in problematic UIWebViews, Promise.then doesn't completely break, but + // it can get stuck in a weird state where callbacks are pushed into the + // microtask queue but the queue isn't being flushed, until the browser + // needs to do some other work, e.g. handle a timer. Therefore we can + // "force" the microtask queue to be flushed by adding an empty timer. + if (isIOS) { setTimeout(noop); } + }; + } else if (typeof MutationObserver !== 'undefined' && ( + isNative(MutationObserver) || + // PhantomJS and iOS 7.x + MutationObserver.toString() === '[object MutationObserverConstructor]' + )) { + // use MutationObserver where native Promise is not available, + // e.g. PhantomJS IE11, iOS7, Android 4.4 + var counter = 1; + var observer = new MutationObserver(nextTickHandler); + var textNode = document.createTextNode(String(counter)); + observer.observe(textNode, { + characterData: true + }); + timerFunc = function () { + counter = (counter + 1) % 2; + textNode.data = String(counter); + }; + } else { + // fallback to setTimeout + /* istanbul ignore next */ + timerFunc = function () { + setTimeout(nextTickHandler, 0); + }; } - /** - * Defer a task to execute it asynchronously. Ideally this - * should be executed as a microtask, so we leverage - * MutationObserver if it's available, and fallback to - * setTimeout(0). - * - * @param {Function} cb - * @param {Object} ctx - */ - - var nextTick = (function () { - var callbacks = []; - var pending = false; - var timerFunc; - function nextTickHandler() { - pending = false; - var copies = callbacks.slice(0); - callbacks = []; - for (var i = 0; i < copies.length; i++) { - copies[i](); - } - } - - /* istanbul ignore if */ - if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) { - var counter = 1; - var observer = new MutationObserver(nextTickHandler); - var textNode = document.createTextNode(counter); - observer.observe(textNode, { - characterData: true - }); - timerFunc = function () { - counter = (counter + 1) % 2; - textNode.data = counter; - }; - } else { - // webpack attempts to inject a shim for setImmediate - // if it is used as a global, so we have to work around that to - // avoid bundling unnecessary code. - var context = inBrowser ? window : typeof global !== 'undefined' ? global : {}; - timerFunc = context.setImmediate || setTimeout; - } - return function (cb, ctx) { - var func = ctx ? function () { - cb.call(ctx); - } : cb; - callbacks.push(func); - if (pending) return; + return function queueNextTick (cb, ctx) { + var func = ctx + ? function () { cb.call(ctx); } + : cb; + callbacks.push(func); + if (!pending) { pending = true; - timerFunc(nextTickHandler, 0); - }; - })(); + timerFunc(); + } + } +})(); - var _Set = undefined; - /* istanbul ignore if */ - if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) { - // use native Set when available. - _Set = Set; - } else { - // a non-standard Set polyfill that only works with primitive keys. - _Set = function () { +var _Set; +/* istanbul ignore if */ +if (typeof Set !== 'undefined' && isNative(Set)) { + // use native Set when available. + _Set = Set; +} else { + // a non-standard Set polyfill that only works with primitive keys. + _Set = (function () { + function Set () { this.set = Object.create(null); + } + Set.prototype.has = function has (key) { + return this.set[key] !== undefined }; - _Set.prototype.has = function (key) { - return this.set[key] !== undefined; - }; - _Set.prototype.add = function (key) { + Set.prototype.add = function add (key) { this.set[key] = 1; }; - _Set.prototype.clear = function () { + Set.prototype.clear = function clear () { this.set = Object.create(null); }; - } - - function Cache(limit) { - this.size = 0; - this.limit = limit; - this.head = this.tail = undefined; - this._keymap = Object.create(null); - } - - var p = Cache.prototype; - - /** - * Put into the cache associated with . - * Returns the entry which was removed to make room for - * the new entry. Otherwise undefined is returned. - * (i.e. if there was enough room already). - * - * @param {String} key - * @param {*} value - * @return {Entry|undefined} - */ - - p.put = function (key, value) { - var removed; - var entry = this.get(key, true); - if (!entry) { - if (this.size === this.limit) { - removed = this.shift(); - } - entry = { - key: key - }; - this._keymap[key] = entry; - if (this.tail) { - this.tail.newer = entry; - entry.older = this.tail; - } else { - this.head = entry; + return Set; + }()); +} + +/* not type checking this file because flow doesn't play well with Proxy */ + +var hasProxy; +var proxyHandlers; +var initProxy; + +{ + var allowedGlobals = makeMap( + 'Infinity,undefined,NaN,isFinite,isNaN,' + + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + + 'require' // for Webpack/Browserify + ); + + hasProxy = + typeof Proxy !== 'undefined' && + Proxy.toString().match(/native code/); + + proxyHandlers = { + has: function has (target, key) { + var has = key in target; + var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'; + if (!has && !isAllowed) { + warn( + "Property or method \"" + key + "\" is not defined on the instance but " + + "referenced during render. Make sure to declare reactive data " + + "properties in the data option.", + target + ); } - this.tail = entry; - this.size++; + return has || !isAllowed } - entry.value = value; - - return removed; }; - /** - * Purge the least recently used (oldest) entry from the - * cache. Returns the removed entry or undefined if the - * cache was empty. - */ - - p.shift = function () { - var entry = this.head; - if (entry) { - this.head = this.head.newer; - this.head.older = undefined; - entry.newer = entry.older = undefined; - this._keymap[entry.key] = undefined; - this.size--; + initProxy = function initProxy (vm) { + if (hasProxy) { + vm._renderProxy = new Proxy(vm, proxyHandlers); + } else { + vm._renderProxy = vm; } - return entry; }; +} - /** - * Get and register recent use of . Returns the value - * associated with or undefined if not in cache. - * - * @param {String} key - * @param {Boolean} returnEntry - * @return {Entry|*} - */ +/* */ - p.get = function (key, returnEntry) { - var entry = this._keymap[key]; - if (entry === undefined) return; - if (entry === this.tail) { - return returnEntry ? entry : entry.value; - } - // HEAD--------------TAIL - // <.older .newer> - // <--- add direction -- - // A B C E - if (entry.newer) { - if (entry === this.head) { - this.head = entry.newer; - } - entry.newer.older = entry.older; // C <-- E. - } - if (entry.older) { - entry.older.newer = entry.newer; // C. --> E - } - entry.newer = undefined; // D --x - entry.older = this.tail; // D. --> E - if (this.tail) { - this.tail.newer = entry; // E. <-- D - } - this.tail = entry; - return returnEntry ? entry : entry.value; - }; - var cache$1 = new Cache(1000); - var filterTokenRE = /[^\s'"]+|'[^']*'|"[^"]*"/g; - var reservedArgRE = /^in$|^-?\d+/; +var uid$2 = 0; - /** - * Parser state - */ +/** + * A dep is an observable that can have multiple + * directives subscribing to it. + */ +var Dep = function Dep () { + this.id = uid$2++; + this.subs = []; +}; - var str; - var dir; - var c; - var prev; - var i; - var l; - var lastFilterIndex; - var inSingle; - var inDouble; - var curly; - var square; - var paren; - /** - * Push a filter to the current directive object - */ +Dep.prototype.addSub = function addSub (sub) { + this.subs.push(sub); +}; - function pushFilter() { - var exp = str.slice(lastFilterIndex, i).trim(); - var filter; - if (exp) { - filter = {}; - var tokens = exp.match(filterTokenRE); - filter.name = tokens[0]; - if (tokens.length > 1) { - filter.args = tokens.slice(1).map(processFilterArg); - } - } - if (filter) { - (dir.filters = dir.filters || []).push(filter); - } - lastFilterIndex = i + 1; - } +Dep.prototype.removeSub = function removeSub (sub) { + remove$1(this.subs, sub); +}; - /** - * Check if an argument is dynamic and strip quotes. - * - * @param {String} arg - * @return {Object} - */ +Dep.prototype.depend = function depend () { + if (Dep.target) { + Dep.target.addDep(this); + } +}; - function processFilterArg(arg) { - if (reservedArgRE.test(arg)) { - return { - value: toNumber(arg), - dynamic: false - }; - } else { - var stripped = stripQuotes(arg); - var dynamic = stripped === arg; - return { - value: dynamic ? arg : stripped, - dynamic: dynamic - }; - } +Dep.prototype.notify = function notify () { + // stablize the subscriber list first + var subs = this.subs.slice(); + for (var i = 0, l = subs.length; i < l; i++) { + subs[i].update(); } +}; - /** - * Parse a directive value and extract the expression - * and its filters into a descriptor. - * - * Example: - * - * "a + 1 | uppercase" will yield: - * { - * expression: 'a + 1', - * filters: [ - * { name: 'uppercase', args: null } - * ] - * } - * - * @param {String} s - * @return {Object} - */ +// the current target watcher being evaluated. +// this is globally unique because there could be only one +// watcher being evaluated at any time. +Dep.target = null; +var targetStack = []; - function parseDirective(s) { - var hit = cache$1.get(s); - if (hit) { - return hit; - } - - // reset parser state - str = s; - inSingle = inDouble = false; - curly = square = paren = 0; - lastFilterIndex = 0; - dir = {}; - - for (i = 0, l = str.length; i < l; i++) { - prev = c; - c = str.charCodeAt(i); - if (inSingle) { - // check single quote - if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle; - } else if (inDouble) { - // check double quote - if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble; - } else if (c === 0x7C && // pipe - str.charCodeAt(i + 1) !== 0x7C && str.charCodeAt(i - 1) !== 0x7C) { - if (dir.expression == null) { - // first filter, end of expression - lastFilterIndex = i + 1; - dir.expression = str.slice(0, i).trim(); - } else { - // already has filter - pushFilter(); - } - } else { - switch (c) { - case 0x22: - inDouble = true;break; // " - case 0x27: - inSingle = true;break; // ' - case 0x28: - paren++;break; // ( - case 0x29: - paren--;break; // ) - case 0x5B: - square++;break; // [ - case 0x5D: - square--;break; // ] - case 0x7B: - curly++;break; // { - case 0x7D: - curly--;break; // } - } - } - } +function pushTarget (_target) { + if (Dep.target) { targetStack.push(Dep.target); } + Dep.target = _target; +} - if (dir.expression == null) { - dir.expression = str.slice(0, i).trim(); - } else if (lastFilterIndex !== 0) { - pushFilter(); - } +function popTarget () { + Dep.target = targetStack.pop(); +} - cache$1.put(s, dir); - return dir; - } +/* */ -var directive = Object.freeze({ - parseDirective: parseDirective - }); - var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g; - var cache = undefined; - var tagRE = undefined; - var htmlRE = undefined; - /** - * Escape a string so it can be used in a RegExp - * constructor. - * - * @param {String} str - */ +var queue = []; +var has$1 = {}; +var circular = {}; +var waiting = false; +var flushing = false; +var index = 0; - function escapeRegex(str) { - return str.replace(regexEscapeRE, '\\$&'); +/** + * Reset the scheduler's state. + */ +function resetSchedulerState () { + queue.length = 0; + has$1 = {}; + { + circular = {}; } + waiting = flushing = false; +} - function compileRegex() { - var open = escapeRegex(config.delimiters[0]); - var close = escapeRegex(config.delimiters[1]); - var unsafeOpen = escapeRegex(config.unsafeDelimiters[0]); - var unsafeClose = escapeRegex(config.unsafeDelimiters[1]); - tagRE = new RegExp(unsafeOpen + '((?:.|\\n)+?)' + unsafeClose + '|' + open + '((?:.|\\n)+?)' + close, 'g'); - htmlRE = new RegExp('^' + unsafeOpen + '((?:.|\\n)+?)' + unsafeClose + '$'); - // reset cache - cache = new Cache(1000); +/** + * Flush both queues and run the watchers. + */ +function flushSchedulerQueue () { + flushing = true; + + // Sort queue before flush. + // This ensures that: + // 1. Components are updated from parent to child. (because parent is always + // created before the child) + // 2. A component's user watchers are run before its render watcher (because + // user watchers are created before the render watcher) + // 3. If a component is destroyed during a parent component's watcher run, + // its watchers can be skipped. + queue.sort(function (a, b) { return a.id - b.id; }); + + // do not cache length because more watchers might be pushed + // as we run existing watchers + for (index = 0; index < queue.length; index++) { + var watcher = queue[index]; + var id = watcher.id; + has$1[id] = null; + watcher.run(); + // in dev build, check and stop circular updates. + if ("development" !== 'production' && has$1[id] != null) { + circular[id] = (circular[id] || 0) + 1; + if (circular[id] > config._maxUpdateCount) { + warn( + 'You may have an infinite update loop ' + ( + watcher.user + ? ("in watcher with expression \"" + (watcher.expression) + "\"") + : "in a component render function." + ), + watcher.vm + ); + break + } + } } - /** - * Parse a template text string into an array of tokens. - * - * @param {String} text - * @return {Array | null} - * - {String} type - * - {String} value - * - {Boolean} [html] - * - {Boolean} [oneTime] - */ + // devtool hook + /* istanbul ignore if */ + if (devtools && config.devtools) { + devtools.emit('flush'); + } - function parseText(text) { - if (!cache) { - compileRegex(); - } - var hit = cache.get(text); - if (hit) { - return hit; - } - if (!tagRE.test(text)) { - return null; - } - var tokens = []; - var lastIndex = tagRE.lastIndex = 0; - var match, index, html, value, first, oneTime; - /* eslint-disable no-cond-assign */ - while (match = tagRE.exec(text)) { - /* eslint-enable no-cond-assign */ - index = match.index; - // push text token - if (index > lastIndex) { - tokens.push({ - value: text.slice(lastIndex, index) - }); + resetSchedulerState(); +} + +/** + * Push a watcher into the watcher queue. + * Jobs with duplicate IDs will be skipped unless it's + * pushed when the queue is being flushed. + */ +function queueWatcher (watcher) { + var id = watcher.id; + if (has$1[id] == null) { + has$1[id] = true; + if (!flushing) { + queue.push(watcher); + } else { + // if already flushing, splice the watcher based on its id + // if already past its id, it will be run next immediately. + var i = queue.length - 1; + while (i >= 0 && queue[i].id > watcher.id) { + i--; } - // tag token - html = htmlRE.test(match[0]); - value = html ? match[1] : match[2]; - first = value.charCodeAt(0); - oneTime = first === 42; // * - value = oneTime ? value.slice(1) : value; - tokens.push({ - tag: true, - value: value.trim(), - html: html, - oneTime: oneTime - }); - lastIndex = index + match[0].length; + queue.splice(Math.max(i, index) + 1, 0, watcher); } - if (lastIndex < text.length) { - tokens.push({ - value: text.slice(lastIndex) - }); + // queue the flush + if (!waiting) { + waiting = true; + nextTick(flushSchedulerQueue); } - cache.put(text, tokens); - return tokens; } +} - /** - * Format a list of tokens into an expression. - * e.g. tokens parsed from 'a {{b}} c' can be serialized - * into one single expression as '"a " + b + " c"'. - * - * @param {Array} tokens - * @param {Vue} [vm] - * @return {String} - */ +/* */ - function tokensToExp(tokens, vm) { - if (tokens.length > 1) { - return tokens.map(function (token) { - return formatToken(token, vm); - }).join('+'); - } else { - return formatToken(tokens[0], vm, true); +var uid$1 = 0; + +/** + * A watcher parses an expression, collects dependencies, + * and fires callback when the expression value changes. + * This is used for both the $watch() api and directives. + */ +var Watcher = function Watcher ( + vm, + expOrFn, + cb, + options +) { + if ( options === void 0 ) options = {}; + + this.vm = vm; + vm._watchers.push(this); + // options + this.deep = !!options.deep; + this.user = !!options.user; + this.lazy = !!options.lazy; + this.sync = !!options.sync; + this.expression = expOrFn.toString(); + this.cb = cb; + this.id = ++uid$1; // uid for batching + this.active = true; + this.dirty = this.lazy; // for lazy watchers + this.deps = []; + this.newDeps = []; + this.depIds = new _Set(); + this.newDepIds = new _Set(); + // parse expression for getter + if (typeof expOrFn === 'function') { + this.getter = expOrFn; + } else { + this.getter = parsePath(expOrFn); + if (!this.getter) { + this.getter = function () {}; + "development" !== 'production' && warn( + "Failed watching path: \"" + expOrFn + "\" " + + 'Watcher only accepts simple dot-delimited paths. ' + + 'For full control, use a function instead.', + vm + ); + } + } + this.value = this.lazy + ? undefined + : this.get(); +}; + +/** + * Evaluate the getter, and re-collect dependencies. + */ +Watcher.prototype.get = function get () { + pushTarget(this); + var value = this.getter.call(this.vm, this.vm); + // "touch" every property so they are all tracked as + // dependencies for deep watching + if (this.deep) { + traverse(value); + } + popTarget(); + this.cleanupDeps(); + return value +}; + +/** + * Add a dependency to this directive. + */ +Watcher.prototype.addDep = function addDep (dep) { + var id = dep.id; + if (!this.newDepIds.has(id)) { + this.newDepIds.add(id); + this.newDeps.push(dep); + if (!this.depIds.has(id)) { + dep.addSub(this); } } +}; - /** - * Format a single token. - * - * @param {Object} token - * @param {Vue} [vm] - * @param {Boolean} [single] - * @return {String} - */ - - function formatToken(token, vm, single) { - return token.tag ? token.oneTime && vm ? '"' + vm.$eval(token.value) + '"' : inlineFilters(token.value, single) : '"' + token.value + '"'; +/** + * Clean up for dependency collection. + */ +Watcher.prototype.cleanupDeps = function cleanupDeps () { + var this$1 = this; + + var i = this.deps.length; + while (i--) { + var dep = this$1.deps[i]; + if (!this$1.newDepIds.has(dep.id)) { + dep.removeSub(this$1); + } + } + var tmp = this.depIds; + this.depIds = this.newDepIds; + this.newDepIds = tmp; + this.newDepIds.clear(); + tmp = this.deps; + this.deps = this.newDeps; + this.newDeps = tmp; + this.newDeps.length = 0; +}; + +/** + * Subscriber interface. + * Will be called when a dependency changes. + */ +Watcher.prototype.update = function update () { + /* istanbul ignore else */ + if (this.lazy) { + this.dirty = true; + } else if (this.sync) { + this.run(); + } else { + queueWatcher(this); } +}; - /** - * For an attribute with multiple interpolation tags, - * e.g. attr="some-{{thing | filter}}", in order to combine - * the whole thing into a single watchable expression, we - * have to inline those filters. This function does exactly - * that. This is a bit hacky but it avoids heavy changes - * to directive parser and watcher mechanism. - * - * @param {String} exp - * @param {Boolean} single - * @return {String} - */ - - var filterRE = /[^|]\|[^|]/; - function inlineFilters(exp, single) { - if (!filterRE.test(exp)) { - return single ? exp : '(' + exp + ')'; - } else { - var dir = parseDirective(exp); - if (!dir.filters) { - return '(' + exp + ')'; +/** + * Scheduler job interface. + * Will be called by the scheduler. + */ +Watcher.prototype.run = function run () { + if (this.active) { + var value = this.get(); + if ( + value !== this.value || + // Deep watchers and watchers on Object/Arrays should fire even + // when the value is the same, because the value may + // have mutated. + isObject(value) || + this.deep + ) { + // set new value + var oldValue = this.value; + this.value = value; + if (this.user) { + try { + this.cb.call(this.vm, value, oldValue); + } catch (e) { + "development" !== 'production' && warn( + ("Error in watcher \"" + (this.expression) + "\""), + this.vm + ); + /* istanbul ignore else */ + if (config.errorHandler) { + config.errorHandler.call(null, e, this.vm); + } else { + throw e + } + } } else { - return 'this._applyFilters(' + dir.expression + // value - ',null,' + // oldValue (null for read) - JSON.stringify(dir.filters) + // filter descriptors - ',false)'; // write? + this.cb.call(this.vm, value, oldValue); } } } +}; -var text = Object.freeze({ - compileRegex: compileRegex, - parseText: parseText, - tokensToExp: tokensToExp - }); +/** + * Evaluate the value of the watcher. + * This only gets called for lazy watchers. + */ +Watcher.prototype.evaluate = function evaluate () { + this.value = this.get(); + this.dirty = false; +}; - var delimiters = ['{{', '}}']; - var unsafeDelimiters = ['{{{', '}}}']; +/** + * Depend on all deps collected by this watcher. + */ +Watcher.prototype.depend = function depend () { + var this$1 = this; - var config = Object.defineProperties({ + var i = this.deps.length; + while (i--) { + this$1.deps[i].depend(); + } +}; - /** - * Whether to print debug messages. - * Also enables stack trace for warnings. - * - * @type {Boolean} - */ +/** + * Remove self from all dependencies' subcriber list. + */ +Watcher.prototype.teardown = function teardown () { + var this$1 = this; - debug: false, + if (this.active) { + // remove self from vm's watcher list + // this is a somewhat expensive operation so we skip it + // if the vm is being destroyed or is performing a v-for + // re-render (the watcher list is then filtered by v-for). + if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) { + remove$1(this.vm._watchers, this); + } + var i = this.deps.length; + while (i--) { + this$1.deps[i].removeSub(this$1); + } + this.active = false; + } +}; - /** - * Whether to suppress warnings. - * - * @type {Boolean} - */ +/** + * Recursively traverse an object to evoke all converted + * getters, so that every nested property inside the object + * is collected as a "deep" dependency. + */ +var seenObjects = new _Set(); +function traverse (val, seen) { + var i, keys; + if (!seen) { + seen = seenObjects; + seen.clear(); + } + var isA = Array.isArray(val); + var isO = isObject(val); + if ((isA || isO) && Object.isExtensible(val)) { + if (val.__ob__) { + var depId = val.__ob__.dep.id; + if (seen.has(depId)) { + return + } else { + seen.add(depId); + } + } + if (isA) { + i = val.length; + while (i--) { traverse(val[i], seen); } + } else if (isO) { + keys = Object.keys(val); + i = keys.length; + while (i--) { traverse(val[keys[i]], seen); } + } + } +} - silent: false, +/* + * not type checking this file because flow doesn't play well with + * dynamically accessing methods on Array prototype + */ - /** - * Whether to use async rendering. - */ - - async: true, - - /** - * Whether to warn against errors caught when evaluating - * expressions. - */ - - warnExpressionErrors: true, - - /** - * Whether to allow devtools inspection. - * Disabled by default in production builds. - */ - - devtools: 'development' !== 'production', - - /** - * Internal flag to indicate the delimiters have been - * changed. - * - * @type {Boolean} - */ - - _delimitersChanged: true, - - /** - * List of asset types that a component can own. - * - * @type {Array} - */ - - _assetTypes: ['component', 'directive', 'elementDirective', 'filter', 'transition', 'partial'], - - /** - * prop binding modes - */ - - _propBindingModes: { - ONE_WAY: 0, - TWO_WAY: 1, - ONE_TIME: 2 - }, - - /** - * Max circular updates allowed in a batcher flush cycle. - */ - - _maxUpdateCount: 100 - - }, { - delimiters: { /** - * Interpolation delimiters. Changing these would trigger - * the text parser to re-compile the regular expressions. - * - * @type {Array} - */ - - get: function get() { - return delimiters; - }, - set: function set(val) { - delimiters = val; - compileRegex(); - }, - configurable: true, - enumerable: true - }, - unsafeDelimiters: { - get: function get() { - return unsafeDelimiters; - }, - set: function set(val) { - unsafeDelimiters = val; - compileRegex(); - }, - configurable: true, - enumerable: true - } +var arrayProto = Array.prototype; +var arrayMethods = Object.create(arrayProto);[ + 'push', + 'pop', + 'shift', + 'unshift', + 'splice', + 'sort', + 'reverse' +] +.forEach(function (method) { + // cache original method + var original = arrayProto[method]; + def(arrayMethods, method, function mutator () { + var arguments$1 = arguments; + + // avoid leaking arguments: + // http://jsperf.com/closure-with-arguments + var i = arguments.length; + var args = new Array(i); + while (i--) { + args[i] = arguments$1[i]; + } + var result = original.apply(this, args); + var ob = this.__ob__; + var inserted; + switch (method) { + case 'push': + inserted = args; + break + case 'unshift': + inserted = args; + break + case 'splice': + inserted = args.slice(2); + break + } + if (inserted) { ob.observeArray(inserted); } + // notify change + ob.dep.notify(); + return result }); +}); - var warn = undefined; - var formatComponentName = undefined; +/* */ - if ('development' !== 'production') { - (function () { - var hasConsole = typeof console !== 'undefined'; - - warn = function (msg, vm) { - if (hasConsole && !config.silent) { - console.error('[Vue warn]: ' + msg + (vm ? formatComponentName(vm) : '')); - } - }; +var arrayKeys = Object.getOwnPropertyNames(arrayMethods); - formatComponentName = function (vm) { - var name = vm._isVue ? vm.$options.name : vm.name; - return name ? ' (found in component: <' + hyphenate(name) + '>)' : ''; - }; - })(); +/** + * By default, when a reactive property is set, the new value is + * also converted to become reactive. However when passing down props, + * we don't want to force conversion because the value may be a nested value + * under a frozen data structure. Converting it would defeat the optimization. + */ +var observerState = { + shouldConvert: true, + isSettingProps: false +}; + +/** + * Observer class that are attached to each observed + * object. Once attached, the observer converts target + * object's property keys into getter/setters that + * collect dependencies and dispatches updates. + */ +var Observer = function Observer (value) { + this.value = value; + this.dep = new Dep(); + this.vmCount = 0; + def(value, '__ob__', this); + if (Array.isArray(value)) { + var augment = hasProto + ? protoAugment + : copyAugment; + augment(value, arrayMethods, arrayKeys); + this.observeArray(value); + } else { + this.walk(value); } +}; - /** - * Append with transition. - * - * @param {Element} el - * @param {Element} target - * @param {Vue} vm - * @param {Function} [cb] - */ - - function appendWithTransition(el, target, vm, cb) { - applyTransition(el, 1, function () { - target.appendChild(el); - }, vm, cb); +/** + * Walk through each property and convert them into + * getter/setters. This method should only be called when + * value type is Object. + */ +Observer.prototype.walk = function walk (obj) { + var keys = Object.keys(obj); + for (var i = 0; i < keys.length; i++) { + defineReactive$$1(obj, keys[i], obj[keys[i]]); } +}; - /** - * InsertBefore with transition. - * - * @param {Element} el - * @param {Element} target - * @param {Vue} vm - * @param {Function} [cb] - */ - - function beforeWithTransition(el, target, vm, cb) { - applyTransition(el, 1, function () { - before(el, target); - }, vm, cb); +/** + * Observe a list of Array items. + */ +Observer.prototype.observeArray = function observeArray (items) { + for (var i = 0, l = items.length; i < l; i++) { + observe(items[i]); } +}; - /** - * Remove with transition. - * - * @param {Element} el - * @param {Vue} vm - * @param {Function} [cb] - */ +// helpers - function removeWithTransition(el, vm, cb) { - applyTransition(el, -1, function () { - remove(el); - }, vm, cb); +/** + * Augment an target Object or Array by intercepting + * the prototype chain using __proto__ + */ +function protoAugment (target, src) { + /* eslint-disable no-proto */ + target.__proto__ = src; + /* eslint-enable no-proto */ +} + +/** + * Augment an target Object or Array by defining + * hidden properties. + * + * istanbul ignore next + */ +function copyAugment (target, src, keys) { + for (var i = 0, l = keys.length; i < l; i++) { + var key = keys[i]; + def(target, key, src[key]); } +} - /** - * Apply transitions with an operation callback. - * - * @param {Element} el - * @param {Number} direction - * 1: enter - * -1: leave - * @param {Function} op - the actual DOM operation - * @param {Vue} vm - * @param {Function} [cb] - */ - - function applyTransition(el, direction, op, vm, cb) { - var transition = el.__v_trans; - if (!transition || - // skip if there are no js hooks and CSS transition is - // not supported - !transition.hooks && !transitionEndEvent || - // skip transitions for initial compile - !vm._isCompiled || - // if the vm is being manipulated by a parent directive - // during the parent's compilation phase, skip the - // animation. - vm.$parent && !vm.$parent._isCompiled) { - op(); - if (cb) cb(); - return; - } - var action = direction > 0 ? 'enter' : 'leave'; - transition[action](op, cb); - } - -var transition = Object.freeze({ - appendWithTransition: appendWithTransition, - beforeWithTransition: beforeWithTransition, - removeWithTransition: removeWithTransition, - applyTransition: applyTransition +/** + * Attempt to create an observer instance for a value, + * returns the new observer if successfully observed, + * or the existing observer if the value already has one. + */ +function observe (value) { + if (!isObject(value)) { + return + } + var ob; + if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { + ob = value.__ob__; + } else if ( + observerState.shouldConvert && + !config._isServer && + (Array.isArray(value) || isPlainObject(value)) && + Object.isExtensible(value) && + !value._isVue + ) { + ob = new Observer(value); + } + return ob +} + +/** + * Define a reactive property on an Object. + */ +function defineReactive$$1 ( + obj, + key, + val, + customSetter +) { + var dep = new Dep(); + + var property = Object.getOwnPropertyDescriptor(obj, key); + if (property && property.configurable === false) { + return + } + + // cater for pre-defined getter/setters + var getter = property && property.get; + var setter = property && property.set; + + var childOb = observe(val); + Object.defineProperty(obj, key, { + enumerable: true, + configurable: true, + get: function reactiveGetter () { + var value = getter ? getter.call(obj) : val; + if (Dep.target) { + dep.depend(); + if (childOb) { + childOb.dep.depend(); + } + if (Array.isArray(value)) { + dependArray(value); + } + } + return value + }, + set: function reactiveSetter (newVal) { + var value = getter ? getter.call(obj) : val; + if (newVal === value) { + return + } + if ("development" !== 'production' && customSetter) { + customSetter(); + } + if (setter) { + setter.call(obj, newVal); + } else { + val = newVal; + } + childOb = observe(newVal); + dep.notify(); + } }); +} - /** - * Query an element selector if it's not an element already. - * - * @param {String|Element} el - * @return {Element} - */ +/** + * Set a property on an object. Adds the new property and + * triggers change notification if the property doesn't + * already exist. + */ +function set (obj, key, val) { + if (Array.isArray(obj)) { + obj.splice(key, 1, val); + return val + } + if (hasOwn(obj, key)) { + obj[key] = val; + return + } + var ob = obj.__ob__; + if (obj._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid adding reactive properties to a Vue instance or its root $data ' + + 'at runtime - declare it upfront in the data option.' + ); + return + } + if (!ob) { + obj[key] = val; + return + } + defineReactive$$1(ob.value, key, val); + ob.dep.notify(); + return val +} + +/** + * Delete a property and trigger change if necessary. + */ +function del (obj, key) { + var ob = obj.__ob__; + if (obj._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid deleting properties on a Vue instance or its root $data ' + + '- just set it to null.' + ); + return + } + if (!hasOwn(obj, key)) { + return + } + delete obj[key]; + if (!ob) { + return + } + ob.dep.notify(); +} + +/** + * Collect dependencies on array elements when the array is touched, since + * we cannot intercept array element access like property getters. + */ +function dependArray (value) { + for (var e = void 0, i = 0, l = value.length; i < l; i++) { + e = value[i]; + e && e.__ob__ && e.__ob__.dep.depend(); + if (Array.isArray(e)) { + dependArray(e); + } + } +} + +/* */ + +function initState (vm) { + vm._watchers = []; + initProps(vm); + initData(vm); + initComputed(vm); + initMethods(vm); + initWatch(vm); +} + +function initProps (vm) { + var props = vm.$options.props; + if (props) { + var propsData = vm.$options.propsData || {}; + var keys = vm.$options._propKeys = Object.keys(props); + var isRoot = !vm.$parent; + // root instance props should be converted + observerState.shouldConvert = isRoot; + var loop = function ( i ) { + var key = keys[i]; + /* istanbul ignore else */ + { + defineReactive$$1(vm, key, validateProp(key, props, propsData, vm), function () { + if (vm.$parent && !observerState.isSettingProps) { + warn( + "Avoid mutating a prop directly since the value will be " + + "overwritten whenever the parent component re-renders. " + + "Instead, use a data or computed property based on the prop's " + + "value. Prop being mutated: \"" + key + "\"", + vm + ); + } + }); + } + }; - function query(el) { - if (typeof el === 'string') { - var selector = el; - el = document.querySelector(el); - if (!el) { - 'development' !== 'production' && warn('Cannot find element: ' + selector); + for (var i = 0; i < keys.length; i++) loop( i ); + observerState.shouldConvert = true; + } +} + +function initData (vm) { + var data = vm.$options.data; + data = vm._data = typeof data === 'function' + ? data.call(vm) + : data || {}; + if (!isPlainObject(data)) { + data = {}; + "development" !== 'production' && warn( + 'data functions should return an object.', + vm + ); + } + // proxy data on instance + var keys = Object.keys(data); + var props = vm.$options.props; + var i = keys.length; + while (i--) { + if (props && hasOwn(props, keys[i])) { + "development" !== 'production' && warn( + "The data property \"" + (keys[i]) + "\" is already declared as a prop. " + + "Use prop default value instead.", + vm + ); + } else { + proxy(vm, keys[i]); + } + } + // observe data + observe(data); + data.__ob__ && data.__ob__.vmCount++; +} + +var computedSharedDefinition = { + enumerable: true, + configurable: true, + get: noop, + set: noop +}; + +function initComputed (vm) { + var computed = vm.$options.computed; + if (computed) { + for (var key in computed) { + var userDef = computed[key]; + if (typeof userDef === 'function') { + computedSharedDefinition.get = makeComputedGetter(userDef, vm); + computedSharedDefinition.set = noop; + } else { + computedSharedDefinition.get = userDef.get + ? userDef.cache !== false + ? makeComputedGetter(userDef.get, vm) + : bind$1(userDef.get, vm) + : noop; + computedSharedDefinition.set = userDef.set + ? bind$1(userDef.set, vm) + : noop; } + Object.defineProperty(vm, key, computedSharedDefinition); } - return el; - } - - /** - * Check if a node is in the document. - * Note: document.documentElement.contains should work here - * but always returns false for comment nodes in phantomjs, - * making unit tests difficult. This is fixed by doing the - * contains() check on the node's parentNode instead of - * the node itself. - * - * @param {Node} node - * @return {Boolean} - */ - - function inDoc(node) { - if (!node) return false; - var doc = node.ownerDocument.documentElement; - var parent = node.parentNode; - return doc === node || doc === parent || !!(parent && parent.nodeType === 1 && doc.contains(parent)); } +} - /** - * Get and remove an attribute from a node. - * - * @param {Node} node - * @param {String} _attr - */ - - function getAttr(node, _attr) { - var val = node.getAttribute(_attr); - if (val !== null) { - node.removeAttribute(_attr); +function makeComputedGetter (getter, owner) { + var watcher = new Watcher(owner, getter, noop, { + lazy: true + }); + return function computedGetter () { + if (watcher.dirty) { + watcher.evaluate(); + } + if (Dep.target) { + watcher.depend(); + } + return watcher.value + } +} + +function initMethods (vm) { + var methods = vm.$options.methods; + if (methods) { + for (var key in methods) { + vm[key] = methods[key] == null ? noop : bind$1(methods[key], vm); + if ("development" !== 'production' && methods[key] == null) { + warn( + "method \"" + key + "\" has an undefined value in the component definition. " + + "Did you reference the function correctly?", + vm + ); + } } - return val; } +} - /** - * Get an attribute with colon or v-bind: prefix. - * - * @param {Node} node - * @param {String} name - * @return {String|null} - */ - - function getBindAttr(node, name) { - var val = getAttr(node, ':' + name); - if (val === null) { - val = getAttr(node, 'v-bind:' + name); +function initWatch (vm) { + var watch = vm.$options.watch; + if (watch) { + for (var key in watch) { + var handler = watch[key]; + if (Array.isArray(handler)) { + for (var i = 0; i < handler.length; i++) { + createWatcher(vm, key, handler[i]); + } + } else { + createWatcher(vm, key, handler); + } } - return val; } +} - /** - * Check the presence of a bind attribute. - * - * @param {Node} node - * @param {String} name - * @return {Boolean} - */ - - function hasBindAttr(node, name) { - return node.hasAttribute(name) || node.hasAttribute(':' + name) || node.hasAttribute('v-bind:' + name); +function createWatcher (vm, key, handler) { + var options; + if (isPlainObject(handler)) { + options = handler; + handler = handler.handler; } + if (typeof handler === 'string') { + handler = vm[handler]; + } + vm.$watch(key, handler, options); +} - /** - * Insert el before target - * - * @param {Element} el - * @param {Element} target - */ - - function before(el, target) { - target.parentNode.insertBefore(el, target); +function stateMixin (Vue) { + // flow somehow has problems with directly declared definition object + // when using Object.defineProperty, so we have to procedurally build up + // the object here. + var dataDef = {}; + dataDef.get = function () { + return this._data + }; + { + dataDef.set = function (newData) { + warn( + 'Avoid replacing instance root $data. ' + + 'Use nested data properties instead.', + this + ); + }; } + Object.defineProperty(Vue.prototype, '$data', dataDef); - /** - * Insert el after target - * - * @param {Element} el - * @param {Element} target - */ + Vue.prototype.$set = set; + Vue.prototype.$delete = del; + + Vue.prototype.$watch = function ( + expOrFn, + cb, + options + ) { + var vm = this; + options = options || {}; + options.user = true; + var watcher = new Watcher(vm, expOrFn, cb, options); + if (options.immediate) { + cb.call(vm, watcher.value); + } + return function unwatchFn () { + watcher.teardown(); + } + }; +} - function after(el, target) { - if (target.nextSibling) { - before(el, target.nextSibling); +function proxy (vm, key) { + if (!isReserved(key)) { + Object.defineProperty(vm, key, { + configurable: true, + enumerable: true, + get: function proxyGetter () { + return vm._data[key] + }, + set: function proxySetter (val) { + vm._data[key] = val; + } + }); + } +} + +/* */ + +var VNode = function VNode ( + tag, + data, + children, + text, + elm, + ns, + context, + componentOptions +) { + this.tag = tag; + this.data = data; + this.children = children; + this.text = text; + this.elm = elm; + this.ns = ns; + this.context = context; + this.functionalContext = undefined; + this.key = data && data.key; + this.componentOptions = componentOptions; + this.child = undefined; + this.parent = undefined; + this.raw = false; + this.isStatic = false; + this.isRootInsert = true; + this.isComment = false; + this.isCloned = false; +}; + +var emptyVNode = function () { + var node = new VNode(); + node.text = ''; + node.isComment = true; + return node +}; + +// optimized shallow clone +// used for static nodes and slot nodes because they may be reused across +// multiple renders, cloning them avoids errors when DOM manipulations rely +// on their elm reference. +function cloneVNode (vnode) { + var cloned = new VNode( + vnode.tag, + vnode.data, + vnode.children, + vnode.text, + vnode.elm, + vnode.ns, + vnode.context, + vnode.componentOptions + ); + cloned.isStatic = vnode.isStatic; + cloned.key = vnode.key; + cloned.isCloned = true; + return cloned +} + +function cloneVNodes (vnodes) { + var res = new Array(vnodes.length); + for (var i = 0; i < vnodes.length; i++) { + res[i] = cloneVNode(vnodes[i]); + } + return res +} + +/* */ + +function mergeVNodeHook (def, hookKey, hook, key) { + key = key + hookKey; + var injectedHash = def.__injected || (def.__injected = {}); + if (!injectedHash[key]) { + injectedHash[key] = true; + var oldHook = def[hookKey]; + if (oldHook) { + def[hookKey] = function () { + oldHook.apply(this, arguments); + hook.apply(this, arguments); + }; } else { - target.parentNode.appendChild(el); + def[hookKey] = hook; + } + } +} + +/* */ + +function updateListeners ( + on, + oldOn, + add, + remove$$1, + vm +) { + var name, cur, old, fn, event, capture; + for (name in on) { + cur = on[name]; + old = oldOn[name]; + if (!cur) { + "development" !== 'production' && warn( + "Invalid handler for event \"" + name + "\": got " + String(cur), + vm + ); + } else if (!old) { + capture = name.charAt(0) === '!'; + event = capture ? name.slice(1) : name; + if (Array.isArray(cur)) { + add(event, (cur.invoker = arrInvoker(cur)), capture); + } else { + if (!cur.invoker) { + fn = cur; + cur = on[name] = {}; + cur.fn = fn; + cur.invoker = fnInvoker(cur); + } + add(event, cur.invoker, capture); + } + } else if (cur !== old) { + if (Array.isArray(old)) { + old.length = cur.length; + for (var i = 0; i < old.length; i++) { old[i] = cur[i]; } + on[name] = old; + } else { + old.fn = cur; + on[name] = old; + } + } + } + for (name in oldOn) { + if (!on[name]) { + event = name.charAt(0) === '!' ? name.slice(1) : name; + remove$$1(event, oldOn[name].invoker); } } +} - /** - * Remove el from DOM - * - * @param {Element} el - */ +function arrInvoker (arr) { + return function (ev) { + var arguments$1 = arguments; - function remove(el) { - el.parentNode.removeChild(el); + var single = arguments.length === 1; + for (var i = 0; i < arr.length; i++) { + single ? arr[i](ev) : arr[i].apply(null, arguments$1); + } } +} - /** - * Prepend el to target - * - * @param {Element} el - * @param {Element} target - */ +function fnInvoker (o) { + return function (ev) { + var single = arguments.length === 1; + single ? o.fn(ev) : o.fn.apply(null, arguments); + } +} - function prepend(el, target) { - if (target.firstChild) { - before(el, target.firstChild); - } else { - target.appendChild(el); +/* */ + +function normalizeChildren ( + children, + ns, + nestedIndex +) { + if (isPrimitive(children)) { + return [createTextVNode(children)] + } + if (Array.isArray(children)) { + var res = []; + for (var i = 0, l = children.length; i < l; i++) { + var c = children[i]; + var last = res[res.length - 1]; + // nested + if (Array.isArray(c)) { + res.push.apply(res, normalizeChildren(c, ns, ((nestedIndex || '') + "_" + i))); + } else if (isPrimitive(c)) { + if (last && last.text) { + last.text += String(c); + } else if (c !== '') { + // convert primitive to vnode + res.push(createTextVNode(c)); + } + } else if (c instanceof VNode) { + if (c.text && last && last.text) { + last.text += c.text; + } else { + // inherit parent namespace + if (ns) { + applyNS(c, ns); + } + // default key for nested array children (likely generated by v-for) + if (c.tag && c.key == null && nestedIndex != null) { + c.key = "__vlist" + nestedIndex + "_" + i + "__"; + } + res.push(c); + } + } } + return res } +} - /** - * Replace target with el - * - * @param {Element} target - * @param {Element} el - */ +function createTextVNode (val) { + return new VNode(undefined, undefined, undefined, String(val)) +} - function replace(target, el) { - var parent = target.parentNode; - if (parent) { - parent.replaceChild(el, target); +function applyNS (vnode, ns) { + if (vnode.tag && !vnode.ns) { + vnode.ns = ns; + if (vnode.children) { + for (var i = 0, l = vnode.children.length; i < l; i++) { + applyNS(vnode.children[i], ns); + } } } +} - /** - * Add event listener shorthand. - * - * @param {Element} el - * @param {String} event - * @param {Function} cb - * @param {Boolean} [useCapture] - */ +/* */ - function on(el, event, cb, useCapture) { - el.addEventListener(event, cb, useCapture); - } +function getFirstComponentChild (children) { + return children && children.filter(function (c) { return c && c.componentOptions; })[0] +} - /** - * Remove event listener shorthand. - * - * @param {Element} el - * @param {String} event - * @param {Function} cb - */ +/* */ - function off(el, event, cb) { - el.removeEventListener(event, cb); - } +var activeInstance = null; - /** - * For IE9 compat: when both class and :class are present - * getAttribute('class') returns wrong value... - * - * @param {Element} el - * @return {String} - */ +function initLifecycle (vm) { + var options = vm.$options; - function getClass(el) { - var classname = el.className; - if (typeof classname === 'object') { - classname = classname.baseVal || ''; + // locate first non-abstract parent + var parent = options.parent; + if (parent && !options.abstract) { + while (parent.$options.abstract && parent.$parent) { + parent = parent.$parent; } - return classname; + parent.$children.push(vm); } - /** - * In IE9, setAttribute('class') will result in empty class - * if the element also has the :class attribute; However in - * PhantomJS, setting `className` does not work on SVG elements... - * So we have to do a conditional check here. - * - * @param {Element} el - * @param {String} cls - */ + vm.$parent = parent; + vm.$root = parent ? parent.$root : vm; - function setClass(el, cls) { - /* istanbul ignore if */ - if (isIE9 && !/svg$/.test(el.namespaceURI)) { - el.className = cls; - } else { - el.setAttribute('class', cls); - } - } + vm.$children = []; + vm.$refs = {}; - /** - * Add class with compatibility for IE & SVG - * - * @param {Element} el - * @param {String} cls - */ + vm._watcher = null; + vm._inactive = false; + vm._isMounted = false; + vm._isDestroyed = false; + vm._isBeingDestroyed = false; +} - function addClass(el, cls) { - if (el.classList) { - el.classList.add(cls); - } else { - var cur = ' ' + getClass(el) + ' '; - if (cur.indexOf(' ' + cls + ' ') < 0) { - setClass(el, (cur + cls).trim()); +function lifecycleMixin (Vue) { + Vue.prototype._mount = function ( + el, + hydrating + ) { + var vm = this; + vm.$el = el; + if (!vm.$options.render) { + vm.$options.render = emptyVNode; + { + /* istanbul ignore if */ + if (vm.$options.template) { + warn( + 'You are using the runtime-only build of Vue where the template ' + + 'option is not available. Either pre-compile the templates into ' + + 'render functions, or use the compiler-included build.', + vm + ); + } else { + warn( + 'Failed to mount component: template or render function not defined.', + vm + ); + } } } - } - - /** - * Remove class with compatibility for IE & SVG - * - * @param {Element} el - * @param {String} cls - */ + callHook(vm, 'beforeMount'); + vm._watcher = new Watcher(vm, function () { + vm._update(vm._render(), hydrating); + }, noop); + hydrating = false; + // manually mounted instance, call mounted on self + // mounted is called for render-created child components in its inserted hook + if (vm.$vnode == null) { + vm._isMounted = true; + callHook(vm, 'mounted'); + } + return vm + }; - function removeClass(el, cls) { - if (el.classList) { - el.classList.remove(cls); + Vue.prototype._update = function (vnode, hydrating) { + var vm = this; + if (vm._isMounted) { + callHook(vm, 'beforeUpdate'); + } + var prevEl = vm.$el; + var prevActiveInstance = activeInstance; + activeInstance = vm; + var prevVnode = vm._vnode; + vm._vnode = vnode; + if (!prevVnode) { + // Vue.prototype.__patch__ is injected in entry points + // based on the rendering backend used. + vm.$el = vm.__patch__(vm.$el, vnode, hydrating); } else { - var cur = ' ' + getClass(el) + ' '; - var tar = ' ' + cls + ' '; - while (cur.indexOf(tar) >= 0) { - cur = cur.replace(tar, ' '); - } - setClass(el, cur.trim()); + vm.$el = vm.__patch__(prevVnode, vnode); } - if (!el.className) { - el.removeAttribute('class'); + activeInstance = prevActiveInstance; + // update __vue__ reference + if (prevEl) { + prevEl.__vue__ = null; } - } - - /** - * Extract raw content inside an element into a temporary - * container div - * - * @param {Element} el - * @param {Boolean} asFragment - * @return {Element|DocumentFragment} - */ - - function extractContent(el, asFragment) { - var child; - var rawContent; - /* istanbul ignore if */ - if (isTemplate(el) && isFragment(el.content)) { - el = el.content; + if (vm.$el) { + vm.$el.__vue__ = vm; + } + // if parent is an HOC, update its $el as well + if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) { + vm.$parent.$el = vm.$el; } - if (el.hasChildNodes()) { - trimNode(el); - rawContent = asFragment ? document.createDocumentFragment() : document.createElement('div'); - /* eslint-disable no-cond-assign */ - while (child = el.firstChild) { - /* eslint-enable no-cond-assign */ - rawContent.appendChild(child); + if (vm._isMounted) { + callHook(vm, 'updated'); + } + }; + + Vue.prototype._updateFromParent = function ( + propsData, + listeners, + parentVnode, + renderChildren + ) { + var vm = this; + var hasChildren = !!(vm.$options._renderChildren || renderChildren); + vm.$options._parentVnode = parentVnode; + vm.$options._renderChildren = renderChildren; + // update props + if (propsData && vm.$options.props) { + observerState.shouldConvert = false; + { + observerState.isSettingProps = true; + } + var propKeys = vm.$options._propKeys || []; + for (var i = 0; i < propKeys.length; i++) { + var key = propKeys[i]; + vm[key] = validateProp(key, vm.$options.props, propsData, vm); + } + observerState.shouldConvert = true; + { + observerState.isSettingProps = false; } } - return rawContent; - } + // update listeners + if (listeners) { + var oldListeners = vm.$options._parentListeners; + vm.$options._parentListeners = listeners; + vm._updateListeners(listeners, oldListeners); + } + // resolve slots + force update if has children + if (hasChildren) { + vm.$slots = resolveSlots(renderChildren, vm._renderContext); + vm.$forceUpdate(); + } + }; - /** - * Trim possible empty head/tail text and comment - * nodes inside a parent. - * - * @param {Node} node - */ + Vue.prototype.$forceUpdate = function () { + var vm = this; + if (vm._watcher) { + vm._watcher.update(); + } + }; - function trimNode(node) { - var child; - /* eslint-disable no-sequences */ - while ((child = node.firstChild, isTrimmable(child))) { - node.removeChild(child); + Vue.prototype.$destroy = function () { + var vm = this; + if (vm._isBeingDestroyed) { + return } - while ((child = node.lastChild, isTrimmable(child))) { - node.removeChild(child); + callHook(vm, 'beforeDestroy'); + vm._isBeingDestroyed = true; + // remove self from parent + var parent = vm.$parent; + if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) { + remove$1(parent.$children, vm); } - /* eslint-enable no-sequences */ - } + // teardown watchers + if (vm._watcher) { + vm._watcher.teardown(); + } + var i = vm._watchers.length; + while (i--) { + vm._watchers[i].teardown(); + } + // remove reference from data ob + // frozen object may not have observer. + if (vm._data.__ob__) { + vm._data.__ob__.vmCount--; + } + // call the last hook... + vm._isDestroyed = true; + callHook(vm, 'destroyed'); + // turn off all instance listeners. + vm.$off(); + // remove __vue__ reference + if (vm.$el) { + vm.$el.__vue__ = null; + } + // invoke destroy hooks on current rendered tree + vm.__patch__(vm._vnode, null); + }; +} - function isTrimmable(node) { - return node && (node.nodeType === 3 && !node.data.trim() || node.nodeType === 8); +function callHook (vm, hook) { + var handlers = vm.$options[hook]; + if (handlers) { + for (var i = 0, j = handlers.length; i < j; i++) { + handlers[i].call(vm); + } } + vm.$emit('hook:' + hook); +} - /** - * Check if an element is a template tag. - * Note if the template appears inside an SVG its tagName - * will be in lowercase. - * - * @param {Element} el - */ - - function isTemplate(el) { - return el.tagName && el.tagName.toLowerCase() === 'template'; - } +/* */ - /** - * Create an "anchor" for performing dom insertion/removals. - * This is used in a number of scenarios: - * - fragment instance - * - v-html - * - v-if - * - v-for - * - component - * - * @param {String} content - * @param {Boolean} persist - IE trashes empty textNodes on - * cloneNode(true), so in certain - * cases the anchor needs to be - * non-empty to be persisted in - * templates. - * @return {Comment|Text} - */ +var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy$1 }; +var hooksToMerge = Object.keys(hooks); - function createAnchor(content, persist) { - var anchor = config.debug ? document.createComment(content) : document.createTextNode(persist ? ' ' : ''); - anchor.__v_anchor = true; - return anchor; +function createComponent ( + Ctor, + data, + context, + children, + tag +) { + if (!Ctor) { + return } - /** - * Find a component ref attribute that starts with $. - * - * @param {Element} node - * @return {String|undefined} - */ - - var refRE = /^v-ref:/; + if (isObject(Ctor)) { + Ctor = Vue$3.extend(Ctor); + } - function findRef(node) { - if (node.hasAttributes()) { - var attrs = node.attributes; - for (var i = 0, l = attrs.length; i < l; i++) { - var name = attrs[i].name; - if (refRE.test(name)) { - return camelize(name.replace(refRE, '')); - } - } + if (typeof Ctor !== 'function') { + { + warn(("Invalid Component definition: " + (String(Ctor))), context); } + return } - /** - * Map a function to a range of nodes . - * - * @param {Node} node - * @param {Node} end - * @param {Function} op - */ - - function mapNodeRange(node, end, op) { - var next; - while (node !== end) { - next = node.nextSibling; - op(node); - node = next; + // async component + if (!Ctor.cid) { + if (Ctor.resolved) { + Ctor = Ctor.resolved; + } else { + Ctor = resolveAsyncComponent(Ctor, function () { + // it's ok to queue this on every render because + // $forceUpdate is buffered by the scheduler. + context.$forceUpdate(); + }); + if (!Ctor) { + // return nothing if this is indeed an async component + // wait for the callback to trigger parent update. + return + } + } + } + + data = data || {}; + + // extract props + var propsData = extractProps(data, Ctor); + + // functional component + if (Ctor.options.functional) { + return createFunctionalComponent(Ctor, propsData, data, context, children) + } + + // extract listeners, since these needs to be treated as + // child component listeners instead of DOM listeners + var listeners = data.on; + // replace with listeners with .native modifier + data.on = data.nativeOn; + + if (Ctor.options.abstract) { + // abstract components do not keep anything + // other than props & listeners + data = {}; + } + + // merge component management hooks onto the placeholder node + mergeHooks(data); + + // return a placeholder vnode + var name = Ctor.options.name || tag; + var vnode = new VNode( + ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')), + data, undefined, undefined, undefined, undefined, context, + { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children } + ); + return vnode +} + +function createFunctionalComponent ( + Ctor, + propsData, + data, + context, + children +) { + var props = {}; + var propOptions = Ctor.options.props; + if (propOptions) { + for (var key in propOptions) { + props[key] = validateProp(key, propOptions, propsData); + } + } + var vnode = Ctor.options.render.call( + null, + // ensure the createElement function in functional components + // gets a unique context - this is necessary for correct named slot check + bind$1(createElement, { _self: Object.create(context) }), + { + props: props, + data: data, + parent: context, + children: normalizeChildren(children), + slots: function () { return resolveSlots(children, context); } + } + ); + if (vnode instanceof VNode) { + vnode.functionalContext = context; + if (data.slot) { + (vnode.data || (vnode.data = {})).slot = data.slot; + } + } + return vnode +} + +function createComponentInstanceForVnode ( + vnode, // we know it's MountedComponentVNode but flow doesn't + parent // activeInstance in lifecycle state +) { + var vnodeComponentOptions = vnode.componentOptions; + var options = { + _isComponent: true, + parent: parent, + propsData: vnodeComponentOptions.propsData, + _componentTag: vnodeComponentOptions.tag, + _parentVnode: vnode, + _parentListeners: vnodeComponentOptions.listeners, + _renderChildren: vnodeComponentOptions.children + }; + // check inline-template render functions + var inlineTemplate = vnode.data.inlineTemplate; + if (inlineTemplate) { + options.render = inlineTemplate.render; + options.staticRenderFns = inlineTemplate.staticRenderFns; + } + return new vnodeComponentOptions.Ctor(options) +} + +function init (vnode, hydrating) { + if (!vnode.child || vnode.child._isDestroyed) { + var child = vnode.child = createComponentInstanceForVnode(vnode, activeInstance); + child.$mount(hydrating ? vnode.elm : undefined, hydrating); + } +} + +function prepatch ( + oldVnode, + vnode +) { + var options = vnode.componentOptions; + var child = vnode.child = oldVnode.child; + child._updateFromParent( + options.propsData, // updated props + options.listeners, // updated listeners + vnode, // new parent vnode + options.children // new children + ); +} + +function insert (vnode) { + if (!vnode.child._isMounted) { + vnode.child._isMounted = true; + callHook(vnode.child, 'mounted'); + } + if (vnode.data.keepAlive) { + vnode.child._inactive = false; + callHook(vnode.child, 'activated'); + } +} + +function destroy$1 (vnode) { + if (!vnode.child._isDestroyed) { + if (!vnode.data.keepAlive) { + vnode.child.$destroy(); + } else { + vnode.child._inactive = true; + callHook(vnode.child, 'deactivated'); } - op(end); } +} - /** - * Remove a range of nodes with transition, store - * the nodes in a fragment with correct ordering, - * and call callback when done. - * - * @param {Node} start - * @param {Node} end - * @param {Vue} vm - * @param {DocumentFragment} frag - * @param {Function} cb - */ - - function removeNodeRange(start, end, vm, frag, cb) { - var done = false; - var removed = 0; - var nodes = []; - mapNodeRange(start, end, function (node) { - if (node === end) done = true; - nodes.push(node); - removeWithTransition(node, vm, onRemoved); - }); - function onRemoved() { - removed++; - if (done && removed >= nodes.length) { - for (var i = 0; i < nodes.length; i++) { - frag.appendChild(nodes[i]); +function resolveAsyncComponent ( + factory, + cb +) { + if (factory.requested) { + // pool callbacks + factory.pendingCallbacks.push(cb); + } else { + factory.requested = true; + var cbs = factory.pendingCallbacks = [cb]; + var sync = true; + + var resolve = function (res) { + if (isObject(res)) { + res = Vue$3.extend(res); + } + // cache resolved + factory.resolved = res; + // invoke callbacks only if this is not a synchronous resolve + // (async resolves are shimmed as synchronous during SSR) + if (!sync) { + for (var i = 0, l = cbs.length; i < l; i++) { + cbs[i](res); } - cb && cb(); } - } - } - - /** - * Check if a node is a DocumentFragment. - * - * @param {Node} node - * @return {Boolean} - */ - - function isFragment(node) { - return node && node.nodeType === 11; - } + }; - /** - * Get outerHTML of elements, taking care - * of SVG elements in IE as well. - * - * @param {Element} el - * @return {String} - */ + var reject = function (reason) { + "development" !== 'production' && warn( + "Failed to resolve async component: " + (String(factory)) + + (reason ? ("\nReason: " + reason) : '') + ); + }; - function getOuterHTML(el) { - if (el.outerHTML) { - return el.outerHTML; + var res = factory(resolve, reject); + + // handle promise + if (res && typeof res.then === 'function' && !factory.resolved) { + res.then(resolve, reject); + } + + sync = false; + // return in case resolved synchronously + return factory.resolved + } +} + +function extractProps (data, Ctor) { + // we are only extrating raw values here. + // validation and default values are handled in the child + // component itself. + var propOptions = Ctor.options.props; + if (!propOptions) { + return + } + var res = {}; + var attrs = data.attrs; + var props = data.props; + var domProps = data.domProps; + if (attrs || props || domProps) { + for (var key in propOptions) { + var altKey = hyphenate(key); + checkProp(res, props, key, altKey, true) || + checkProp(res, attrs, key, altKey) || + checkProp(res, domProps, key, altKey); + } + } + return res +} + +function checkProp ( + res, + hash, + key, + altKey, + preserve +) { + if (hash) { + if (hasOwn(hash, key)) { + res[key] = hash[key]; + if (!preserve) { + delete hash[key]; + } + return true + } else if (hasOwn(hash, altKey)) { + res[key] = hash[altKey]; + if (!preserve) { + delete hash[altKey]; + } + return true + } + } + return false +} + +function mergeHooks (data) { + if (!data.hook) { + data.hook = {}; + } + for (var i = 0; i < hooksToMerge.length; i++) { + var key = hooksToMerge[i]; + var fromParent = data.hook[key]; + var ours = hooks[key]; + data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours; + } +} + +function mergeHook$1 (a, b) { + // since all hooks have at most two args, use fixed args + // to avoid having to use fn.apply(). + return function (_, __) { + a(_, __); + b(_, __); + } +} + +/* */ + +// wrapper function for providing a more flexible interface +// without getting yelled at by flow +function createElement ( + tag, + data, + children +) { + if (data && (Array.isArray(data) || typeof data !== 'object')) { + children = data; + data = undefined; + } + // make sure to use real instance instead of proxy as context + return _createElement(this._self, tag, data, children) +} + +function _createElement ( + context, + tag, + data, + children +) { + if (data && data.__ob__) { + "development" !== 'production' && warn( + "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" + + 'Always create fresh vnode data objects in each render!', + context + ); + return + } + if (!tag) { + // in case of component :is set to falsy value + return emptyVNode() + } + if (typeof tag === 'string') { + var Ctor; + var ns = config.getTagNamespace(tag); + if (config.isReservedTag(tag)) { + // platform built-in elements + return new VNode( + tag, data, normalizeChildren(children, ns), + undefined, undefined, ns, context + ) + } else if ((Ctor = resolveAsset(context.$options, 'components', tag))) { + // component + return createComponent(Ctor, data, context, children, tag) } else { - var container = document.createElement('div'); - container.appendChild(el.cloneNode(true)); - return container.innerHTML; + // unknown or unlisted namespaced elements + // check at runtime because it may get assigned a namespace when its + // parent normalizes children + return new VNode( + tag, data, normalizeChildren(children, ns), + undefined, undefined, ns, context + ) } - } + } else { + // direct component options / constructor + return createComponent(tag, data, context, children) + } +} + +/* */ + +function initRender (vm) { + vm.$vnode = null; // the placeholder node in parent tree + vm._vnode = null; // the root of the child tree + vm._staticTrees = null; + vm._renderContext = vm.$options._parentVnode && vm.$options._parentVnode.context; + vm.$slots = resolveSlots(vm.$options._renderChildren, vm._renderContext); + // bind the public createElement fn to this instance + // so that we get proper render context inside it. + vm.$createElement = bind$1(createElement, vm); + if (vm.$options.el) { + vm.$mount(vm.$options.el); + } +} + +function renderMixin (Vue) { + Vue.prototype.$nextTick = function (fn) { + nextTick(fn, this); + }; - var commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/i; - var reservedTagRE = /^(slot|partial|component)$/i; + Vue.prototype._render = function () { + var vm = this; + var ref = vm.$options; + var render = ref.render; + var staticRenderFns = ref.staticRenderFns; + var _parentVnode = ref._parentVnode; - var isUnknownElement = undefined; - if ('development' !== 'production') { - isUnknownElement = function (el, tag) { - if (tag.indexOf('-') > -1) { - // http://stackoverflow.com/a/28210364/1070244 - return el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement; - } else { - return (/HTMLUnknownElement/.test(el.toString()) && - // Chrome returns unknown for several HTML5 elements. - // https://code.google.com/p/chromium/issues/detail?id=540526 - // Firefox returns unknown for some "Interactive elements." - !/^(data|time|rtc|rb|details|dialog|summary)$/.test(tag) - ); + if (vm._isMounted) { + // clone slot nodes on re-renders + for (var key in vm.$slots) { + vm.$slots[key] = cloneVNodes(vm.$slots[key]); } - }; - } - - /** - * Check if an element is a component, if yes return its - * component id. - * - * @param {Element} el - * @param {Object} options - * @return {Object|undefined} - */ + } - function checkComponentAttr(el, options) { - var tag = el.tagName.toLowerCase(); - var hasAttrs = el.hasAttributes(); - if (!commonTagRE.test(tag) && !reservedTagRE.test(tag)) { - if (resolveAsset(options, 'components', tag)) { - return { id: tag }; + if (staticRenderFns && !vm._staticTrees) { + vm._staticTrees = []; + } + // set parent vnode. this allows render functions to have access + // to the data on the placeholder node. + vm.$vnode = _parentVnode; + // render self + var vnode; + try { + vnode = render.call(vm._renderProxy, vm.$createElement); + } catch (e) { + { + warn(("Error when rendering " + (formatComponentName(vm)) + ":")); + } + /* istanbul ignore else */ + if (config.errorHandler) { + config.errorHandler.call(null, e, vm); } else { - var is = hasAttrs && getIsBinding(el, options); - if (is) { - return is; - } else if ('development' !== 'production') { - var expectedTag = options._componentNameMap && options._componentNameMap[tag]; - if (expectedTag) { - warn('Unknown custom element: <' + tag + '> - ' + 'did you mean <' + expectedTag + '>? ' + 'HTML is case-insensitive, remember to use kebab-case in templates.'); - } else if (isUnknownElement(el, tag)) { - warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.'); - } + if (config._isServer) { + throw e + } else { + setTimeout(function () { throw e }, 0); } } - } else if (hasAttrs) { - return getIsBinding(el, options); + // return previous vnode to prevent render error causing blank component + vnode = vm._vnode; } - } - - /** - * Get "is" binding from an element. - * - * @param {Element} el - * @param {Object} options - * @return {Object|undefined} - */ + // return empty vnode in case the render function errored out + if (!(vnode instanceof VNode)) { + if ("development" !== 'production' && Array.isArray(vnode)) { + warn( + 'Multiple root nodes returned from render function. Render function ' + + 'should return a single root node.', + vm + ); + } + vnode = emptyVNode(); + } + // set parent + vnode.parent = _parentVnode; + return vnode + }; - function getIsBinding(el, options) { - // dynamic syntax - var exp = el.getAttribute('is'); - if (exp != null) { - if (resolveAsset(options, 'components', exp)) { - el.removeAttribute('is'); - return { id: exp }; + // shorthands used in render functions + Vue.prototype._h = createElement; + // toString for mustaches + Vue.prototype._s = _toString; + // number conversion + Vue.prototype._n = toNumber; + // empty vnode + Vue.prototype._e = emptyVNode; + // loose equal + Vue.prototype._q = looseEqual; + // loose indexOf + Vue.prototype._i = looseIndexOf; + + // render static tree by index + Vue.prototype._m = function renderStatic ( + index, + isInFor + ) { + var tree = this._staticTrees[index]; + // if has already-rendered static tree and not inside v-for, + // we can reuse the same tree by doing a shallow clone. + if (tree && !isInFor) { + return Array.isArray(tree) + ? cloneVNodes(tree) + : cloneVNode(tree) + } + // otherwise, render a fresh tree. + tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy); + if (Array.isArray(tree)) { + for (var i = 0; i < tree.length; i++) { + if (typeof tree[i] !== 'string') { + tree[i].isStatic = true; + tree[i].key = "__static__" + index + "_" + i; + } } } else { - exp = getBindAttr(el, 'is'); - if (exp != null) { - return { id: exp, dynamic: true }; - } + tree.isStatic = true; + tree.key = "__static__" + index; } - } + return tree + }; - /** - * Option overwriting strategies are functions that handle - * how to merge a parent option value and a child option - * value into the final value. - * - * All strategy functions follow the same signature: - * - * @param {*} parentVal - * @param {*} childVal - * @param {Vue} [vm] - */ + // filter resolution helper + var identity = function (_) { return _; }; + Vue.prototype._f = function resolveFilter (id) { + return resolveAsset(this.$options, 'filters', id, true) || identity + }; - var strats = config.optionMergeStrategies = Object.create(null); + // render v-for + Vue.prototype._l = function renderList ( + val, + render + ) { + var ret, i, l, keys, key; + if (Array.isArray(val)) { + ret = new Array(val.length); + for (i = 0, l = val.length; i < l; i++) { + ret[i] = render(val[i], i); + } + } else if (typeof val === 'number') { + ret = new Array(val); + for (i = 0; i < val; i++) { + ret[i] = render(i + 1, i); + } + } else if (isObject(val)) { + keys = Object.keys(val); + ret = new Array(keys.length); + for (i = 0, l = keys.length; i < l; i++) { + key = keys[i]; + ret[i] = render(val[key], key, i); + } + } + return ret + }; - /** - * Helper that recursively merges two data objects together. - */ + // renderSlot + Vue.prototype._t = function ( + name, + fallback + ) { + var slotNodes = this.$slots[name]; + // warn duplicate slot usage + if (slotNodes && "development" !== 'production') { + slotNodes._rendered && warn( + "Duplicate presence of slot \"" + name + "\" found in the same render tree " + + "- this will likely cause render errors.", + this + ); + slotNodes._rendered = true; + } + return slotNodes || fallback + }; + + // apply v-bind object + Vue.prototype._b = function bindProps ( + data, + value, + asProp + ) { + if (value) { + if (!isObject(value)) { + "development" !== 'production' && warn( + 'v-bind without argument expects an Object or Array value', + this + ); + } else { + if (Array.isArray(value)) { + value = toObject(value); + } + for (var key in value) { + if (key === 'class' || key === 'style') { + data[key] = value[key]; + } else { + var hash = asProp || config.mustUseProp(key) + ? data.domProps || (data.domProps = {}) + : data.attrs || (data.attrs = {}); + hash[key] = value[key]; + } + } + } + } + return data + }; - function mergeData(to, from) { - var key, toVal, fromVal; - for (key in from) { - toVal = to[key]; - fromVal = from[key]; - if (!hasOwn(to, key)) { - set(to, key, fromVal); - } else if (isObject(toVal) && isObject(fromVal)) { - mergeData(toVal, fromVal); + // expose v-on keyCodes + Vue.prototype._k = function getKeyCodes (key) { + return config.keyCodes[key] + }; +} + +function resolveSlots ( + renderChildren, + context +) { + var slots = {}; + if (!renderChildren) { + return slots + } + var children = normalizeChildren(renderChildren) || []; + var defaultSlot = []; + var name, child; + for (var i = 0, l = children.length; i < l; i++) { + child = children[i]; + // named slots should only be respected if the vnode was rendered in the + // same context. + if ((child.context === context || child.functionalContext === context) && + child.data && (name = child.data.slot)) { + var slot = (slots[name] || (slots[name] = [])); + if (child.tag === 'template') { + slot.push.apply(slot, child.children); + } else { + slot.push(child); } + } else { + defaultSlot.push(child); } - return to; } + // ignore single whitespace + if (defaultSlot.length && !( + defaultSlot.length === 1 && + (defaultSlot[0].text === ' ' || defaultSlot[0].isComment) + )) { + slots.default = defaultSlot; + } + return slots +} - /** - * Data - */ +/* */ - strats.data = function (parentVal, childVal, vm) { - if (!vm) { - // in a Vue.extend merge, both should be functions - if (!childVal) { - return parentVal; - } - if (typeof childVal !== 'function') { - 'development' !== 'production' && warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm); - return parentVal; - } - if (!parentVal) { - return childVal; - } - // when parentVal & childVal are both present, - // we need to return a function that returns the - // merged result of both functions... no need to - // check if parentVal is a function here because - // it has to be a function to pass previous merges. - return function mergedDataFn() { - return mergeData(childVal.call(this), parentVal.call(this)); - }; - } else if (parentVal || childVal) { - return function mergedInstanceDataFn() { - // instance merge - var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal; - var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined; - if (instanceData) { - return mergeData(instanceData, defaultData); - } else { - return defaultData; - } - }; - } +function initEvents (vm) { + vm._events = Object.create(null); + // init parent attached events + var listeners = vm.$options._parentListeners; + var on = bind$1(vm.$on, vm); + var off = bind$1(vm.$off, vm); + vm._updateListeners = function (listeners, oldListeners) { + updateListeners(listeners, oldListeners || {}, on, off, vm); }; + if (listeners) { + vm._updateListeners(listeners); + } +} - /** - * El - */ +function eventsMixin (Vue) { + Vue.prototype.$on = function (event, fn) { + var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn); + return vm + }; - strats.el = function (parentVal, childVal, vm) { - if (!vm && childVal && typeof childVal !== 'function') { - 'development' !== 'production' && warn('The "el" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm); - return; + Vue.prototype.$once = function (event, fn) { + var vm = this; + function on () { + vm.$off(event, on); + fn.apply(vm, arguments); } - var ret = childVal || parentVal; - // invoke the element factory if this is instance merge - return vm && typeof ret === 'function' ? ret.call(vm) : ret; + on.fn = fn; + vm.$on(event, on); + return vm }; - /** - * Hooks and param attributes are merged as arrays. - */ + Vue.prototype.$off = function (event, fn) { + var vm = this; + // all + if (!arguments.length) { + vm._events = Object.create(null); + return vm + } + // specific event + var cbs = vm._events[event]; + if (!cbs) { + return vm + } + if (arguments.length === 1) { + vm._events[event] = null; + return vm + } + // specific handler + var cb; + var i = cbs.length; + while (i--) { + cb = cbs[i]; + if (cb === fn || cb.fn === fn) { + cbs.splice(i, 1); + break + } + } + return vm + }; - strats.init = strats.created = strats.ready = strats.attached = strats.detached = strats.beforeCompile = strats.compiled = strats.beforeDestroy = strats.destroyed = strats.activate = function (parentVal, childVal) { - return childVal ? parentVal ? parentVal.concat(childVal) : isArray(childVal) ? childVal : [childVal] : parentVal; + Vue.prototype.$emit = function (event) { + var vm = this; + var cbs = vm._events[event]; + if (cbs) { + cbs = cbs.length > 1 ? toArray(cbs) : cbs; + var args = toArray(arguments, 1); + for (var i = 0, l = cbs.length; i < l; i++) { + cbs[i].apply(vm, args); + } + } + return vm + }; +} + +/* */ + +var uid = 0; + +function initMixin (Vue) { + Vue.prototype._init = function (options) { + var vm = this; + // a uid + vm._uid = uid++; + // a flag to avoid this being observed + vm._isVue = true; + // merge options + if (options && options._isComponent) { + // optimize internal component instantiation + // since dynamic options merging is pretty slow, and none of the + // internal component options needs special treatment. + initInternalComponent(vm, options); + } else { + vm.$options = mergeOptions( + resolveConstructorOptions(vm), + options || {}, + vm + ); + } + /* istanbul ignore else */ + { + initProxy(vm); + } + // expose real self + vm._self = vm; + initLifecycle(vm); + initEvents(vm); + callHook(vm, 'beforeCreate'); + initState(vm); + callHook(vm, 'created'); + initRender(vm); }; - /** - * Assets - * - * When a vm is present (instance creation), we need to do - * a three-way merge between constructor options, instance - * options and parent options. - */ + function initInternalComponent (vm, options) { + var opts = vm.$options = Object.create(resolveConstructorOptions(vm)); + // doing this because it's faster than dynamic enumeration. + opts.parent = options.parent; + opts.propsData = options.propsData; + opts._parentVnode = options._parentVnode; + opts._parentListeners = options._parentListeners; + opts._renderChildren = options._renderChildren; + opts._componentTag = options._componentTag; + if (options.render) { + opts.render = options.render; + opts.staticRenderFns = options.staticRenderFns; + } + } - function mergeAssets(parentVal, childVal) { - var res = Object.create(parentVal || null); - return childVal ? extend(res, guardArrayAssets(childVal)) : res; + function resolveConstructorOptions (vm) { + var Ctor = vm.constructor; + var options = Ctor.options; + if (Ctor.super) { + var superOptions = Ctor.super.options; + var cachedSuperOptions = Ctor.superOptions; + if (superOptions !== cachedSuperOptions) { + // super option changed + Ctor.superOptions = superOptions; + options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions); + if (options.name) { + options.components[options.name] = Ctor; + } + } + } + return options } +} - config._assetTypes.forEach(function (type) { - strats[type + 's'] = mergeAssets; - }); +function Vue$3 (options) { + if ("development" !== 'production' && + !(this instanceof Vue$3)) { + warn('Vue is a constructor and should be called with the `new` keyword'); + } + this._init(options); +} - /** - * Events & Watchers. - * - * Events & watchers hashes should not overwrite one - * another, so we merge them as arrays. - */ +initMixin(Vue$3); +stateMixin(Vue$3); +eventsMixin(Vue$3); +lifecycleMixin(Vue$3); +renderMixin(Vue$3); - strats.watch = strats.events = function (parentVal, childVal) { - if (!childVal) return parentVal; - if (!parentVal) return childVal; - var ret = {}; - extend(ret, parentVal); - for (var key in childVal) { - var parent = ret[key]; - var child = childVal[key]; - if (parent && !isArray(parent)) { - parent = [parent]; - } - ret[key] = parent ? parent.concat(child) : [child]; +var warn = noop; +var formatComponentName; + +{ + var hasConsole = typeof console !== 'undefined'; + + warn = function (msg, vm) { + if (hasConsole && (!config.silent)) { + console.error("[Vue warn]: " + msg + " " + ( + vm ? formatLocation(formatComponentName(vm)) : '' + )); } - return ret; }; - /** - * Other object hashes. - */ + formatComponentName = function (vm) { + if (vm.$root === vm) { + return 'root instance' + } + var name = vm._isVue + ? vm.$options.name || vm.$options._componentTag + : vm.name; + return ( + (name ? ("component <" + name + ">") : "anonymous component") + + (vm._isVue && vm.$options.__file ? (" at " + (vm.$options.__file)) : '') + ) + }; - strats.props = strats.methods = strats.computed = function (parentVal, childVal) { - if (!childVal) return parentVal; - if (!parentVal) return childVal; - var ret = Object.create(null); - extend(ret, parentVal); - extend(ret, childVal); - return ret; + var formatLocation = function (str) { + if (str === 'anonymous component') { + str += " - use the \"name\" option for better debugging messages."; + } + return ("\n(found in " + str + ")") }; +} - /** - * Default strategy. - */ +/* */ - var defaultStrat = function defaultStrat(parentVal, childVal) { - return childVal === undefined ? parentVal : childVal; - }; +/** + * Option overwriting strategies are functions that handle + * how to merge a parent option value and a child option + * value into the final value. + */ +var strats = config.optionMergeStrategies; - /** - * Make sure component options get converted to actual - * constructors. - * - * @param {Object} options - */ +/** + * Options with restrictions + */ +{ + strats.el = strats.propsData = function (parent, child, vm, key) { + if (!vm) { + warn( + "option \"" + key + "\" can only be used during instance " + + 'creation with the `new` keyword.' + ); + } + return defaultStrat(parent, child) + }; +} - function guardComponents(options) { - if (options.components) { - var components = options.components = guardArrayAssets(options.components); - var ids = Object.keys(components); - var def; - if ('development' !== 'production') { - var map = options._componentNameMap = {}; - } - for (var i = 0, l = ids.length; i < l; i++) { - var key = ids[i]; - if (commonTagRE.test(key) || reservedTagRE.test(key)) { - 'development' !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key); - continue; - } - // record a all lowercase <-> kebab-case mapping for - // possible custom element case error warning - if ('development' !== 'production') { - map[key.replace(/-/g, '').toLowerCase()] = hyphenate(key); - } - def = components[key]; - if (isPlainObject(def)) { - components[key] = Vue.extend(def); - } +/** + * Helper that recursively merges two data objects together. + */ +function mergeData (to, from) { + var key, toVal, fromVal; + for (key in from) { + toVal = to[key]; + fromVal = from[key]; + if (!hasOwn(to, key)) { + set(to, key, fromVal); + } else if (isObject(toVal) && isObject(fromVal)) { + mergeData(toVal, fromVal); + } + } + return to +} + +/** + * Data + */ +strats.data = function ( + parentVal, + childVal, + vm +) { + if (!vm) { + // in a Vue.extend merge, both should be functions + if (!childVal) { + return parentVal + } + if (typeof childVal !== 'function') { + "development" !== 'production' && warn( + 'The "data" option should be a function ' + + 'that returns a per-instance value in component ' + + 'definitions.', + vm + ); + return parentVal + } + if (!parentVal) { + return childVal + } + // when parentVal & childVal are both present, + // we need to return a function that returns the + // merged result of both functions... no need to + // check if parentVal is a function here because + // it has to be a function to pass previous merges. + return function mergedDataFn () { + return mergeData( + childVal.call(this), + parentVal.call(this) + ) + } + } else if (parentVal || childVal) { + return function mergedInstanceDataFn () { + // instance merge + var instanceData = typeof childVal === 'function' + ? childVal.call(vm) + : childVal; + var defaultData = typeof parentVal === 'function' + ? parentVal.call(vm) + : undefined; + if (instanceData) { + return mergeData(instanceData, defaultData) + } else { + return defaultData } } } +}; - /** - * Ensure all props option syntax are normalized into the - * Object-based format. - * - * @param {Object} options - */ - - function guardProps(options) { - var props = options.props; - var i, val; - if (isArray(props)) { - options.props = {}; - i = props.length; - while (i--) { - val = props[i]; - if (typeof val === 'string') { - options.props[val] = null; - } else if (val.name) { - options.props[val.name] = val; - } +/** + * Hooks and param attributes are merged as arrays. + */ +function mergeHook ( + parentVal, + childVal +) { + return childVal + ? parentVal + ? parentVal.concat(childVal) + : Array.isArray(childVal) + ? childVal + : [childVal] + : parentVal +} + +config._lifecycleHooks.forEach(function (hook) { + strats[hook] = mergeHook; +}); + +/** + * Assets + * + * When a vm is present (instance creation), we need to do + * a three-way merge between constructor options, instance + * options and parent options. + */ +function mergeAssets (parentVal, childVal) { + var res = Object.create(parentVal || null); + return childVal + ? extend(res, childVal) + : res +} + +config._assetTypes.forEach(function (type) { + strats[type + 's'] = mergeAssets; +}); + +/** + * Watchers. + * + * Watchers hashes should not overwrite one + * another, so we merge them as arrays. + */ +strats.watch = function (parentVal, childVal) { + /* istanbul ignore if */ + if (!childVal) { return parentVal } + if (!parentVal) { return childVal } + var ret = {}; + extend(ret, parentVal); + for (var key in childVal) { + var parent = ret[key]; + var child = childVal[key]; + if (parent && !Array.isArray(parent)) { + parent = [parent]; + } + ret[key] = parent + ? parent.concat(child) + : [child]; + } + return ret +}; + +/** + * Other object hashes. + */ +strats.props = +strats.methods = +strats.computed = function (parentVal, childVal) { + if (!childVal) { return parentVal } + if (!parentVal) { return childVal } + var ret = Object.create(null); + extend(ret, parentVal); + extend(ret, childVal); + return ret +}; + +/** + * Default strategy. + */ +var defaultStrat = function (parentVal, childVal) { + return childVal === undefined + ? parentVal + : childVal +}; + +/** + * Make sure component options get converted to actual + * constructors. + */ +function normalizeComponents (options) { + if (options.components) { + var components = options.components; + var def; + for (var key in components) { + var lower = key.toLowerCase(); + if (isBuiltInTag(lower) || config.isReservedTag(lower)) { + "development" !== 'production' && warn( + 'Do not use built-in or reserved HTML elements as component ' + + 'id: ' + key + ); + continue } - } else if (isPlainObject(props)) { - var keys = Object.keys(props); - i = keys.length; - while (i--) { - val = props[keys[i]]; - if (typeof val === 'function') { - props[keys[i]] = { type: val }; - } + def = components[key]; + if (isPlainObject(def)) { + components[key] = Vue$3.extend(def); } } } +} - /** - * Guard an Array-format assets option and converted it - * into the key-value Object format. - * - * @param {Object|Array} assets - * @return {Object} - */ - - function guardArrayAssets(assets) { - if (isArray(assets)) { - var res = {}; - var i = assets.length; - var asset; - while (i--) { - asset = assets[i]; - var id = typeof asset === 'function' ? asset.options && asset.options.name || asset.id : asset.name || asset.id; - if (!id) { - 'development' !== 'production' && warn('Array-syntax assets must provide a "name" or "id" field.'); - } else { - res[id] = asset; - } +/** + * Ensure all props option syntax are normalized into the + * Object-based format. + */ +function normalizeProps (options) { + var props = options.props; + if (!props) { return } + var res = {}; + var i, val, name; + if (Array.isArray(props)) { + i = props.length; + while (i--) { + val = props[i]; + if (typeof val === 'string') { + name = camelize(val); + res[name] = { type: null }; + } else { + warn('props must be strings when using array syntax.'); } - return res; } - return assets; + } else if (isPlainObject(props)) { + for (var key in props) { + val = props[key]; + name = camelize(key); + res[name] = isPlainObject(val) + ? val + : { type: val }; + } } + options.props = res; +} - /** - * Merge two option objects into a new one. - * Core utility used in both instantiation and inheritance. - * - * @param {Object} parent - * @param {Object} child - * @param {Vue} [vm] - if vm is present, indicates this is - * an instantiation merge. - */ - - function mergeOptions(parent, child, vm) { - guardComponents(child); - guardProps(child); - if ('development' !== 'production') { - if (child.propsData && !vm) { - warn('propsData can only be used as an instantiation option.'); - } - } - var options = {}; - var key; - if (child['extends']) { - parent = typeof child['extends'] === 'function' ? mergeOptions(parent, child['extends'].options, vm) : mergeOptions(parent, child['extends'], vm); - } - if (child.mixins) { - for (var i = 0, l = child.mixins.length; i < l; i++) { - var mixin = child.mixins[i]; - var mixinOptions = mixin.prototype instanceof Vue ? mixin.options : mixin; - parent = mergeOptions(parent, mixinOptions, vm); +/** + * Normalize raw function directives into object format. + */ +function normalizeDirectives (options) { + var dirs = options.directives; + if (dirs) { + for (var key in dirs) { + var def = dirs[key]; + if (typeof def === 'function') { + dirs[key] = { bind: def, update: def }; } } - for (key in parent) { + } +} + +/** + * Merge two option objects into a new one. + * Core utility used in both instantiation and inheritance. + */ +function mergeOptions ( + parent, + child, + vm +) { + normalizeComponents(child); + normalizeProps(child); + normalizeDirectives(child); + var extendsFrom = child.extends; + if (extendsFrom) { + parent = typeof extendsFrom === 'function' + ? mergeOptions(parent, extendsFrom.options, vm) + : mergeOptions(parent, extendsFrom, vm); + } + if (child.mixins) { + for (var i = 0, l = child.mixins.length; i < l; i++) { + var mixin = child.mixins[i]; + if (mixin.prototype instanceof Vue$3) { + mixin = mixin.options; + } + parent = mergeOptions(parent, mixin, vm); + } + } + var options = {}; + var key; + for (key in parent) { + mergeField(key); + } + for (key in child) { + if (!hasOwn(parent, key)) { mergeField(key); } - for (key in child) { - if (!hasOwn(parent, key)) { - mergeField(key); - } - } - function mergeField(key) { - var strat = strats[key] || defaultStrat; - options[key] = strat(parent[key], child[key], vm, key); - } - return options; } + function mergeField (key) { + var strat = strats[key] || defaultStrat; + options[key] = strat(parent[key], child[key], vm, key); + } + return options +} - /** - * Resolve an asset. - * This function is used because child instances need access - * to assets defined in its ancestor chain. - * - * @param {Object} options - * @param {String} type - * @param {String} id - * @param {Boolean} warnMissing - * @return {Object|Function} - */ - - function resolveAsset(options, type, id, warnMissing) { - /* istanbul ignore if */ - if (typeof id !== 'string') { - return; - } - var assets = options[type]; - var camelizedId; - var res = assets[id] || +/** + * Resolve an asset. + * This function is used because child instances need access + * to assets defined in its ancestor chain. + */ +function resolveAsset ( + options, + type, + id, + warnMissing +) { + /* istanbul ignore if */ + if (typeof id !== 'string') { + return + } + var assets = options[type]; + var res = assets[id] || // camelCase ID - assets[camelizedId = camelize(id)] || + assets[camelize(id)] || // Pascal Case ID - assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)]; - if ('development' !== 'production' && warnMissing && !res) { - warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options); - } - return res; + assets[capitalize(camelize(id))]; + if ("development" !== 'production' && warnMissing && !res) { + warn( + 'Failed to resolve ' + type.slice(0, -1) + ': ' + id, + options + ); + } + return res +} + +/* */ + +function validateProp ( + key, + propOptions, + propsData, + vm +) { + var prop = propOptions[key]; + var absent = !hasOwn(propsData, key); + var value = propsData[key]; + // handle boolean props + if (isBooleanType(prop.type)) { + if (absent && !hasOwn(prop, 'default')) { + value = false; + } else if (value === '' || value === hyphenate(key)) { + value = true; + } + } + // check default value + if (value === undefined) { + value = getPropDefaultValue(vm, prop, key); + // since the default value is a fresh copy, + // make sure to observe it. + var prevShouldConvert = observerState.shouldConvert; + observerState.shouldConvert = true; + observe(value); + observerState.shouldConvert = prevShouldConvert; + } + { + assertProp(prop, key, value, vm, absent); + } + return value +} + +/** + * Get the default value of a prop. + */ +function getPropDefaultValue (vm, prop, name) { + // no default, return undefined + if (!hasOwn(prop, 'default')) { + return undefined + } + var def = prop.default; + // warn against non-factory defaults for Object & Array + if (isObject(def)) { + "development" !== 'production' && warn( + 'Invalid default value for prop "' + name + '": ' + + 'Props with type Object/Array must use a factory function ' + + 'to return the default value.', + vm + ); + } + // call factory function for non-Function types + return typeof def === 'function' && prop.type !== Function + ? def.call(vm) + : def +} + +/** + * Assert whether a prop is valid. + */ +function assertProp ( + prop, + name, + value, + vm, + absent +) { + if (prop.required && absent) { + warn( + 'Missing required prop: "' + name + '"', + vm + ); + return + } + if (value == null && !prop.required) { + return + } + var type = prop.type; + var valid = !type || type === true; + var expectedTypes = []; + if (type) { + if (!Array.isArray(type)) { + type = [type]; + } + for (var i = 0; i < type.length && !valid; i++) { + var assertedType = assertType(value, type[i]); + expectedTypes.push(assertedType.expectedType); + valid = assertedType.valid; + } + } + if (!valid) { + warn( + 'Invalid prop: type check failed for prop "' + name + '".' + + ' Expected ' + expectedTypes.map(capitalize).join(', ') + + ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', + vm + ); + return + } + var validator = prop.validator; + if (validator) { + if (!validator(value)) { + warn( + 'Invalid prop: custom validator check failed for prop "' + name + '".', + vm + ); + } + } +} + +/** + * Assert the type of a value + */ +function assertType (value, type) { + var valid; + var expectedType = getType(type); + if (expectedType === 'String') { + valid = typeof value === (expectedType = 'string'); + } else if (expectedType === 'Number') { + valid = typeof value === (expectedType = 'number'); + } else if (expectedType === 'Boolean') { + valid = typeof value === (expectedType = 'boolean'); + } else if (expectedType === 'Function') { + valid = typeof value === (expectedType = 'function'); + } else if (expectedType === 'Object') { + valid = isPlainObject(value); + } else if (expectedType === 'Array') { + valid = Array.isArray(value); + } else { + valid = value instanceof type; } - - var uid$1 = 0; - - /** - * A dep is an observable that can have multiple - * directives subscribing to it. - * - * @constructor - */ - function Dep() { - this.id = uid$1++; - this.subs = []; + return { + valid: valid, + expectedType: expectedType } +} - // the current target watcher being evaluated. - // this is globally unique because there could be only one - // watcher being evaluated at any time. - Dep.target = null; - - /** - * Add a directive subscriber. - * - * @param {Directive} sub - */ +/** + * Use function string name to check built-in types, + * because a simple equality check will fail when running + * across different vms / iframes. + */ +function getType (fn) { + var match = fn && fn.toString().match(/^\s*function (\w+)/); + return match && match[1] +} - Dep.prototype.addSub = function (sub) { - this.subs.push(sub); +function isBooleanType (fn) { + if (!Array.isArray(fn)) { + return getType(fn) === 'Boolean' + } + for (var i = 0, len = fn.length; i < len; i++) { + if (getType(fn[i]) === 'Boolean') { + return true + } + } + /* istanbul ignore next */ + return false +} + + + +var util = Object.freeze({ + defineReactive: defineReactive$$1, + _toString: _toString, + toNumber: toNumber, + makeMap: makeMap, + isBuiltInTag: isBuiltInTag, + remove: remove$1, + hasOwn: hasOwn, + isPrimitive: isPrimitive, + cached: cached, + camelize: camelize, + capitalize: capitalize, + hyphenate: hyphenate, + bind: bind$1, + toArray: toArray, + extend: extend, + isObject: isObject, + isPlainObject: isPlainObject, + toObject: toObject, + noop: noop, + no: no, + genStaticKeys: genStaticKeys, + looseEqual: looseEqual, + looseIndexOf: looseIndexOf, + isReserved: isReserved, + def: def, + parsePath: parsePath, + hasProto: hasProto, + inBrowser: inBrowser, + UA: UA, + isIE: isIE, + isIE9: isIE9, + isEdge: isEdge, + isAndroid: isAndroid, + isIOS: isIOS, + devtools: devtools, + nextTick: nextTick, + get _Set () { return _Set; }, + mergeOptions: mergeOptions, + resolveAsset: resolveAsset, + get warn () { return warn; }, + get formatComponentName () { return formatComponentName; }, + validateProp: validateProp +}); + +/* */ + +function initUse (Vue) { + Vue.use = function (plugin) { + /* istanbul ignore if */ + if (plugin.installed) { + return + } + // additional parameters + var args = toArray(arguments, 1); + args.unshift(this); + if (typeof plugin.install === 'function') { + plugin.install.apply(plugin, args); + } else { + plugin.apply(null, args); + } + plugin.installed = true; + return this }; +} - /** - * Remove a directive subscriber. - * - * @param {Directive} sub - */ +/* */ - Dep.prototype.removeSub = function (sub) { - this.subs.$remove(sub); +function initMixin$1 (Vue) { + Vue.mixin = function (mixin) { + Vue.options = mergeOptions(Vue.options, mixin); }; +} +/* */ + +function initExtend (Vue) { /** - * Add self as a dependency to the target watcher. + * Each instance constructor, including Vue, has a unique + * cid. This enables us to create wrapped "child + * constructors" for prototypal inheritance and cache them. */ - - Dep.prototype.depend = function () { - Dep.target.addDep(this); - }; + Vue.cid = 0; + var cid = 1; /** - * Notify all subscribers of a new value. + * Class inheritance */ - - Dep.prototype.notify = function () { - // stablize the subscriber list first - var subs = toArray(this.subs); - for (var i = 0, l = subs.length; i < l; i++) { - subs[i].update(); + Vue.extend = function (extendOptions) { + extendOptions = extendOptions || {}; + var Super = this; + var isFirstExtend = Super.cid === 0; + if (isFirstExtend && extendOptions._Ctor) { + return extendOptions._Ctor + } + var name = extendOptions.name || Super.options.name; + { + if (!/^[a-zA-Z][\w-]*$/.test(name)) { + warn( + 'Invalid component name: "' + name + '". Component names ' + + 'can only contain alphanumeric characaters and the hyphen.' + ); + name = null; + } } + var Sub = function VueComponent (options) { + this._init(options); + }; + Sub.prototype = Object.create(Super.prototype); + Sub.prototype.constructor = Sub; + Sub.cid = cid++; + Sub.options = mergeOptions( + Super.options, + extendOptions + ); + Sub['super'] = Super; + // allow further extension + Sub.extend = Super.extend; + // create asset registers, so extended classes + // can have their private assets too. + config._assetTypes.forEach(function (type) { + Sub[type] = Super[type]; + }); + // enable recursive self-lookup + if (name) { + Sub.options.components[name] = Sub; + } + // keep a reference to the super options at extension time. + // later at instantiation we can check if Super's options have + // been updated. + Sub.superOptions = Super.options; + Sub.extendOptions = extendOptions; + // cache constructor + if (isFirstExtend) { + extendOptions._Ctor = Sub; + } + return Sub }; +} - var arrayProto = Array.prototype; - var arrayMethods = Object.create(arrayProto) +/* */ +function initAssetRegisters (Vue) { /** - * Intercept mutating methods and emit events + * Create asset registration methods. */ - - ;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) { - // cache original method - var original = arrayProto[method]; - def(arrayMethods, method, function mutator() { - // avoid leaking arguments: - // http://jsperf.com/closure-with-arguments - var i = arguments.length; - var args = new Array(i); - while (i--) { - args[i] = arguments[i]; - } - var result = original.apply(this, args); - var ob = this.__ob__; - var inserted; - switch (method) { - case 'push': - inserted = args; - break; - case 'unshift': - inserted = args; - break; - case 'splice': - inserted = args.slice(2); - break; - } - if (inserted) ob.observeArray(inserted); - // notify change - ob.dep.notify(); - return result; - }); + config._assetTypes.forEach(function (type) { + Vue[type] = function ( + id, + definition + ) { + if (!definition) { + return this.options[type + 's'][id] + } else { + /* istanbul ignore if */ + { + if (type === 'component' && config.isReservedTag(id)) { + warn( + 'Do not use built-in or reserved HTML elements as component ' + + 'id: ' + id + ); + } + } + if (type === 'component' && isPlainObject(definition)) { + definition.name = definition.name || id; + definition = Vue.extend(definition); + } + if (type === 'directive' && typeof definition === 'function') { + definition = { bind: definition, update: definition }; + } + this.options[type + 's'][id] = definition; + return definition + } + }; }); +} + +var KeepAlive = { + name: 'keep-alive', + abstract: true, + created: function created () { + this.cache = Object.create(null); + }, + render: function render () { + var vnode = getFirstComponentChild(this.$slots.default); + if (vnode && vnode.componentOptions) { + var opts = vnode.componentOptions; + var key = vnode.key == null + // same constructor may get registered as different local components + // so cid alone is not enough (#3269) + ? opts.Ctor.cid + '::' + opts.tag + : vnode.key; + if (this.cache[key]) { + vnode.child = this.cache[key].child; + } else { + this.cache[key] = vnode; + } + vnode.data.keepAlive = true; + } + return vnode + }, + destroyed: function destroyed () { + var this$1 = this; - /** - * Swap the element at the given index with a new value - * and emits corresponding event. - * - * @param {Number} index - * @param {*} val - * @return {*} - replaced element - */ - - def(arrayProto, '$set', function $set(index, val) { - if (index >= this.length) { - this.length = Number(index) + 1; + for (var key in this.cache) { + var vnode = this$1.cache[key]; + callHook(vnode.child, 'deactivated'); + vnode.child.$destroy(); } - return this.splice(index, 1, val)[0]; - }); + } +}; - /** - * Convenience method to remove the element at given index or target element reference. - * - * @param {*} item - */ +var builtInComponents = { + KeepAlive: KeepAlive +}; - def(arrayProto, '$remove', function $remove(item) { - /* istanbul ignore if */ - if (!this.length) return; - var index = indexOf(this, item); - if (index > -1) { - return this.splice(index, 1); - } +/* */ + +function initGlobalAPI (Vue) { + // config + var configDef = {}; + configDef.get = function () { return config; }; + { + configDef.set = function () { + warn( + 'Do not replace the Vue.config object, set individual fields instead.' + ); + }; + } + Object.defineProperty(Vue, 'config', configDef); + Vue.util = util; + Vue.set = set; + Vue.delete = del; + Vue.nextTick = nextTick; + + Vue.options = Object.create(null); + config._assetTypes.forEach(function (type) { + Vue.options[type + 's'] = Object.create(null); }); - var arrayKeys = Object.getOwnPropertyNames(arrayMethods); + extend(Vue.options.components, builtInComponents); - /** - * By default, when a reactive property is set, the new value is - * also converted to become reactive. However in certain cases, e.g. - * v-for scope alias and props, we don't want to force conversion - * because the value may be a nested value under a frozen data structure. - * - * So whenever we want to set a reactive property without forcing - * conversion on the new value, we wrap that call inside this function. - */ + initUse(Vue); + initMixin$1(Vue); + initExtend(Vue); + initAssetRegisters(Vue); +} - var shouldConvert = true; +initGlobalAPI(Vue$3); - function withoutConversion(fn) { - shouldConvert = false; - fn(); - shouldConvert = true; - } +Object.defineProperty(Vue$3.prototype, '$isServer', { + get: function () { return config._isServer; } +}); - /** - * Observer class that are attached to each observed - * object. Once attached, the observer converts target - * object's property keys into getter/setters that - * collect dependencies and dispatches updates. - * - * @param {Array|Object} value - * @constructor - */ +Vue$3.version = '2.0.3'; - function Observer(value) { - this.value = value; - this.dep = new Dep(); - def(value, '__ob__', this); - if (isArray(value)) { - var augment = hasProto ? protoAugment : copyAugment; - augment(value, arrayMethods, arrayKeys); - this.observeArray(value); - } else { - this.walk(value); - } - } +/* */ - // Instance methods +// attributes that should be using props for binding +var mustUseProp = makeMap('value,selected,checked,muted'); - /** - * Walk through each property and convert them into - * getter/setters. This method should only be called when - * value type is Object. - * - * @param {Object} obj - */ +var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck'); - Observer.prototype.walk = function (obj) { - var keys = Object.keys(obj); - for (var i = 0, l = keys.length; i < l; i++) { - this.convert(keys[i], obj[keys[i]]); - } - }; +var isBooleanAttr = makeMap( + 'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + + 'required,reversed,scoped,seamless,selected,sortable,translate,' + + 'truespeed,typemustmatch,visible' +); - /** - * Observe a list of Array items. - * - * @param {Array} items - */ +var isAttr = makeMap( + 'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' + + 'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' + + 'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' + + 'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' + + 'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' + + 'form,formaction,headers,,height,hidden,high,href,hreflang,http-equiv,' + + 'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' + + 'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' + + 'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' + + 'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' + + 'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' + + 'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' + + 'target,title,type,usemap,value,width,wrap' +); - Observer.prototype.observeArray = function (items) { - for (var i = 0, l = items.length; i < l; i++) { - observe(items[i]); - } - }; - /** - * Convert a property into getter/setter so we can emit - * the events when the property is accessed/changed. - * - * @param {String} key - * @param {*} val - */ - Observer.prototype.convert = function (key, val) { - defineReactive(this.value, key, val); - }; +var xlinkNS = 'http://www.w3.org/1999/xlink'; - /** - * Add an owner vm, so that when $set/$delete mutations - * happen we can notify owner vms to proxy the keys and - * digest the watchers. This is only called when the object - * is observed as an instance's root $data. - * - * @param {Vue} vm - */ +var isXlink = function (name) { + return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink' +}; - Observer.prototype.addVm = function (vm) { - (this.vms || (this.vms = [])).push(vm); - }; +var getXlinkProp = function (name) { + return isXlink(name) ? name.slice(6, name.length) : '' +}; - /** - * Remove an owner vm. This is called when the object is - * swapped out as an instance's $data object. - * - * @param {Vue} vm - */ +var isFalsyAttrValue = function (val) { + return val == null || val === false +}; - Observer.prototype.removeVm = function (vm) { - this.vms.$remove(vm); - }; +/* */ - // helpers +function genClassForVnode (vnode) { + var data = vnode.data; + var parentNode = vnode; + var childNode = vnode; + while (childNode.child) { + childNode = childNode.child._vnode; + if (childNode.data) { + data = mergeClassData(childNode.data, data); + } + } + while ((parentNode = parentNode.parent)) { + if (parentNode.data) { + data = mergeClassData(data, parentNode.data); + } + } + return genClassFromData(data) +} - /** - * Augment an target Object or Array by intercepting - * the prototype chain using __proto__ - * - * @param {Object|Array} target - * @param {Object} src - */ +function mergeClassData (child, parent) { + return { + staticClass: concat(child.staticClass, parent.staticClass), + class: child.class + ? [child.class, parent.class] + : parent.class + } +} - function protoAugment(target, src) { - /* eslint-disable no-proto */ - target.__proto__ = src; - /* eslint-enable no-proto */ +function genClassFromData (data) { + var dynamicClass = data.class; + var staticClass = data.staticClass; + if (staticClass || dynamicClass) { + return concat(staticClass, stringifyClass(dynamicClass)) } + /* istanbul ignore next */ + return '' +} - /** - * Augment an target Object or Array by defining - * hidden properties. - * - * @param {Object|Array} target - * @param {Object} proto - */ +function concat (a, b) { + return a ? b ? (a + ' ' + b) : a : (b || '') +} - function copyAugment(target, src, keys) { - for (var i = 0, l = keys.length; i < l; i++) { - var key = keys[i]; - def(target, key, src[key]); +function stringifyClass (value) { + var res = ''; + if (!value) { + return res + } + if (typeof value === 'string') { + return value + } + if (Array.isArray(value)) { + var stringified; + for (var i = 0, l = value.length; i < l; i++) { + if (value[i]) { + if ((stringified = stringifyClass(value[i]))) { + res += stringified + ' '; + } + } + } + return res.slice(0, -1) + } + if (isObject(value)) { + for (var key in value) { + if (value[key]) { res += key + ' '; } } + return res.slice(0, -1) + } + /* istanbul ignore next */ + return res +} + +/* */ + +var namespaceMap = { + svg: 'http://www.w3.org/2000/svg', + math: 'http://www.w3.org/1998/Math/MathML' +}; + +var isHTMLTag = makeMap( + 'html,body,base,head,link,meta,style,title,' + + 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + + 'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' + + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + + 'embed,object,param,source,canvas,script,noscript,del,ins,' + + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + + 'output,progress,select,textarea,' + + 'details,dialog,menu,menuitem,summary,' + + 'content,element,shadow,template' +); + +var isUnaryTag = makeMap( + 'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + + 'link,meta,param,source,track,wbr', + true +); + +// Elements that you can, intentionally, leave open +// (and which close themselves) +var canBeLeftOpenTag = makeMap( + 'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source', + true +); + +// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3 +// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content +var isNonPhrasingTag = makeMap( + 'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + + 'title,tr,track', + true +); + +// this map is intentionally selective, only covering SVG elements that may +// contain child elements. +var isSVG = makeMap( + 'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font,' + + 'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', + true +); + +var isPreTag = function (tag) { return tag === 'pre'; }; + +var isReservedTag = function (tag) { + return isHTMLTag(tag) || isSVG(tag) +}; + +function getTagNamespace (tag) { + if (isSVG(tag)) { + return 'svg' + } + // basic support for MathML + // note it doesn't support other MathML elements being component roots + if (tag === 'math') { + return 'math' + } +} + +var unknownElementCache = Object.create(null); +function isUnknownElement (tag) { + /* istanbul ignore if */ + if (!inBrowser) { + return true + } + if (isReservedTag(tag)) { + return false + } + tag = tag.toLowerCase(); + /* istanbul ignore if */ + if (unknownElementCache[tag] != null) { + return unknownElementCache[tag] + } + var el = document.createElement(tag); + if (tag.indexOf('-') > -1) { + // http://stackoverflow.com/a/28210364/1070244 + return (unknownElementCache[tag] = ( + el.constructor === window.HTMLUnknownElement || + el.constructor === window.HTMLElement + )) + } else { + return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString())) } +} - /** - * Attempt to create an observer instance for a value, - * returns the new observer if successfully observed, - * or the existing observer if the value already has one. - * - * @param {*} value - * @param {Vue} [vm] - * @return {Observer|undefined} - * @static - */ +/* */ - function observe(value, vm) { - if (!value || typeof value !== 'object') { - return; - } - var ob; - if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { - ob = value.__ob__; - } else if (shouldConvert && (isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) { - ob = new Observer(value); +/** + * Query an element selector if it's not an element already. + */ +function query (el) { + if (typeof el === 'string') { + var selector = el; + el = document.querySelector(el); + if (!el) { + "development" !== 'production' && warn( + 'Cannot find element: ' + selector + ); + return document.createElement('div') + } + } + return el +} + +/* */ + +function createElement$1 (tagName, vnode) { + var elm = document.createElement(tagName); + if (tagName !== 'select') { + return elm + } + if (vnode.data && vnode.data.attrs && 'multiple' in vnode.data.attrs) { + elm.setAttribute('multiple', 'multiple'); + } + return elm +} + +function createElementNS (namespace, tagName) { + return document.createElementNS(namespaceMap[namespace], tagName) +} + +function createTextNode (text) { + return document.createTextNode(text) +} + +function createComment (text) { + return document.createComment(text) +} + +function insertBefore (parentNode, newNode, referenceNode) { + parentNode.insertBefore(newNode, referenceNode); +} + +function removeChild (node, child) { + node.removeChild(child); +} + +function appendChild (node, child) { + node.appendChild(child); +} + +function parentNode (node) { + return node.parentNode +} + +function nextSibling (node) { + return node.nextSibling +} + +function tagName (node) { + return node.tagName +} + +function setTextContent (node, text) { + node.textContent = text; +} + +function childNodes (node) { + return node.childNodes +} + +function setAttribute (node, key, val) { + node.setAttribute(key, val); +} + + +var nodeOps = Object.freeze({ + createElement: createElement$1, + createElementNS: createElementNS, + createTextNode: createTextNode, + createComment: createComment, + insertBefore: insertBefore, + removeChild: removeChild, + appendChild: appendChild, + parentNode: parentNode, + nextSibling: nextSibling, + tagName: tagName, + setTextContent: setTextContent, + childNodes: childNodes, + setAttribute: setAttribute +}); + +/* */ + +var ref = { + create: function create (_, vnode) { + registerRef(vnode); + }, + update: function update (oldVnode, vnode) { + if (oldVnode.data.ref !== vnode.data.ref) { + registerRef(oldVnode, true); + registerRef(vnode); + } + }, + destroy: function destroy (vnode) { + registerRef(vnode, true); + } +}; + +function registerRef (vnode, isRemoval) { + var key = vnode.data.ref; + if (!key) { return } + + var vm = vnode.context; + var ref = vnode.child || vnode.elm; + var refs = vm.$refs; + if (isRemoval) { + if (Array.isArray(refs[key])) { + remove$1(refs[key], ref); + } else if (refs[key] === ref) { + refs[key] = undefined; } - if (ob && vm) { - ob.addVm(vm); + } else { + if (vnode.data.refInFor) { + if (Array.isArray(refs[key])) { + refs[key].push(ref); + } else { + refs[key] = [ref]; + } + } else { + refs[key] = ref; } - return ob; } +} - /** - * Define a reactive property on an Object. - * - * @param {Object} obj - * @param {String} key - * @param {*} val - */ +/** + * Virtual DOM patching algorithm based on Snabbdom by + * Simon Friis Vindum (@paldepind) + * Licensed under the MIT License + * https://github.com/paldepind/snabbdom/blob/master/LICENSE + * + * modified by Evan You (@yyx990803) + * - function defineReactive(obj, key, val) { - var dep = new Dep(); +/* + * Not type-checking this because this file is perf-critical and the cost + * of making flow understand it is not worth it. + */ - var property = Object.getOwnPropertyDescriptor(obj, key); - if (property && property.configurable === false) { - return; - } +var emptyNode = new VNode('', {}, []); - // cater for pre-defined getter/setters - var getter = property && property.get; - var setter = property && property.set; - - var childOb = observe(val); - Object.defineProperty(obj, key, { - enumerable: true, - configurable: true, - get: function reactiveGetter() { - var value = getter ? getter.call(obj) : val; - if (Dep.target) { - dep.depend(); - if (childOb) { - childOb.dep.depend(); - } - if (isArray(value)) { - for (var e, i = 0, l = value.length; i < l; i++) { - e = value[i]; - e && e.__ob__ && e.__ob__.dep.depend(); - } - } - } - return value; - }, - set: function reactiveSetter(newVal) { - var value = getter ? getter.call(obj) : val; - if (newVal === value) { - return; - } - if (setter) { - setter.call(obj, newVal); - } else { - val = newVal; - } - childOb = observe(newVal); - dep.notify(); - } - }); - } +var hooks$1 = ['create', 'update', 'remove', 'destroy']; +function isUndef (s) { + return s == null +} +function isDef (s) { + return s != null +} - var util = Object.freeze({ - defineReactive: defineReactive, - set: set, - del: del, - hasOwn: hasOwn, - isLiteral: isLiteral, - isReserved: isReserved, - _toString: _toString, - toNumber: toNumber, - toBoolean: toBoolean, - stripQuotes: stripQuotes, - camelize: camelize, - hyphenate: hyphenate, - classify: classify, - bind: bind, - toArray: toArray, - extend: extend, - isObject: isObject, - isPlainObject: isPlainObject, - def: def, - debounce: _debounce, - indexOf: indexOf, - cancellable: cancellable, - looseEqual: looseEqual, - isArray: isArray, - hasProto: hasProto, - inBrowser: inBrowser, - devtools: devtools, - isIE: isIE, - isIE9: isIE9, - isAndroid: isAndroid, - isIos: isIos, - iosVersionMatch: iosVersionMatch, - iosVersion: iosVersion, - hasMutationObserverBug: hasMutationObserverBug, - get transitionProp () { return transitionProp; }, - get transitionEndEvent () { return transitionEndEvent; }, - get animationProp () { return animationProp; }, - get animationEndEvent () { return animationEndEvent; }, - nextTick: nextTick, - get _Set () { return _Set; }, - query: query, - inDoc: inDoc, - getAttr: getAttr, - getBindAttr: getBindAttr, - hasBindAttr: hasBindAttr, - before: before, - after: after, - remove: remove, - prepend: prepend, - replace: replace, - on: on, - off: off, - setClass: setClass, - addClass: addClass, - removeClass: removeClass, - extractContent: extractContent, - trimNode: trimNode, - isTemplate: isTemplate, - createAnchor: createAnchor, - findRef: findRef, - mapNodeRange: mapNodeRange, - removeNodeRange: removeNodeRange, - isFragment: isFragment, - getOuterHTML: getOuterHTML, - mergeOptions: mergeOptions, - resolveAsset: resolveAsset, - checkComponentAttr: checkComponentAttr, - commonTagRE: commonTagRE, - reservedTagRE: reservedTagRE, - get warn () { return warn; } - }); +function sameVnode (vnode1, vnode2) { + return ( + vnode1.key === vnode2.key && + vnode1.tag === vnode2.tag && + vnode1.isComment === vnode2.isComment && + !vnode1.data === !vnode2.data + ) +} - var uid = 0; - - function initMixin (Vue) { - /** - * The main init sequence. This is called for every - * instance, including ones that are created from extended - * constructors. - * - * @param {Object} options - this options object should be - * the result of merging class - * options and the options passed - * in to the constructor. - */ - - Vue.prototype._init = function (options) { - options = options || {}; - - this.$el = null; - this.$parent = options.parent; - this.$root = this.$parent ? this.$parent.$root : this; - this.$children = []; - this.$refs = {}; // child vm references - this.$els = {}; // element references - this._watchers = []; // all watchers as an array - this._directives = []; // all directives - - // a uid - this._uid = uid++; - - // a flag to avoid this being observed - this._isVue = true; - - // events bookkeeping - this._events = {}; // registered callbacks - this._eventsCount = {}; // for $broadcast optimization - - // fragment instance properties - this._isFragment = false; - this._fragment = // @type {DocumentFragment} - this._fragmentStart = // @type {Text|Comment} - this._fragmentEnd = null; // @type {Text|Comment} - - // lifecycle state - this._isCompiled = this._isDestroyed = this._isReady = this._isAttached = this._isBeingDestroyed = this._vForRemoving = false; - this._unlinkFn = null; - - // context: - // if this is a transcluded component, context - // will be the common parent vm of this instance - // and its host. - this._context = options._context || this.$parent; - - // scope: - // if this is inside an inline v-for, the scope - // will be the intermediate scope created for this - // repeat fragment. this is used for linking props - // and container directives. - this._scope = options._scope; - - // fragment: - // if this instance is compiled inside a Fragment, it - // needs to reigster itself as a child of that fragment - // for attach/detach to work properly. - this._frag = options._frag; - if (this._frag) { - this._frag.children.push(this); - } - - // push self into parent / transclusion host - if (this.$parent) { - this.$parent.$children.push(this); - } - - // merge options. - options = this.$options = mergeOptions(this.constructor.options, options, this); - - // set ref - this._updateRef(); - - // initialize data as empty object. - // it will be filled up in _initData(). - this._data = {}; - - // call init hook - this._callHook('init'); - - // initialize data observation and scope inheritance. - this._initState(); - - // setup event system and option events. - this._initEvents(); - - // call created hook - this._callHook('created'); - - // if `el` option is passed, start compilation. - if (options.el) { - this.$mount(options.el); - } - }; +function createKeyToOldIdx (children, beginIdx, endIdx) { + var i, key; + var map = {}; + for (i = beginIdx; i <= endIdx; ++i) { + key = children[i].key; + if (isDef(key)) { map[key] = i; } } + return map +} - var pathCache = new Cache(1000); - - // actions - var APPEND = 0; - var PUSH = 1; - var INC_SUB_PATH_DEPTH = 2; - var PUSH_SUB_PATH = 3; - - // states - var BEFORE_PATH = 0; - var IN_PATH = 1; - var BEFORE_IDENT = 2; - var IN_IDENT = 3; - var IN_SUB_PATH = 4; - var IN_SINGLE_QUOTE = 5; - var IN_DOUBLE_QUOTE = 6; - var AFTER_PATH = 7; - var ERROR = 8; - - var pathStateMachine = []; - - pathStateMachine[BEFORE_PATH] = { - 'ws': [BEFORE_PATH], - 'ident': [IN_IDENT, APPEND], - '[': [IN_SUB_PATH], - 'eof': [AFTER_PATH] - }; - - pathStateMachine[IN_PATH] = { - 'ws': [IN_PATH], - '.': [BEFORE_IDENT], - '[': [IN_SUB_PATH], - 'eof': [AFTER_PATH] - }; - - pathStateMachine[BEFORE_IDENT] = { - 'ws': [BEFORE_IDENT], - 'ident': [IN_IDENT, APPEND] - }; - - pathStateMachine[IN_IDENT] = { - 'ident': [IN_IDENT, APPEND], - '0': [IN_IDENT, APPEND], - 'number': [IN_IDENT, APPEND], - 'ws': [IN_PATH, PUSH], - '.': [BEFORE_IDENT, PUSH], - '[': [IN_SUB_PATH, PUSH], - 'eof': [AFTER_PATH, PUSH] - }; - - pathStateMachine[IN_SUB_PATH] = { - "'": [IN_SINGLE_QUOTE, APPEND], - '"': [IN_DOUBLE_QUOTE, APPEND], - '[': [IN_SUB_PATH, INC_SUB_PATH_DEPTH], - ']': [IN_PATH, PUSH_SUB_PATH], - 'eof': ERROR, - 'else': [IN_SUB_PATH, APPEND] - }; - - pathStateMachine[IN_SINGLE_QUOTE] = { - "'": [IN_SUB_PATH, APPEND], - 'eof': ERROR, - 'else': [IN_SINGLE_QUOTE, APPEND] - }; - - pathStateMachine[IN_DOUBLE_QUOTE] = { - '"': [IN_SUB_PATH, APPEND], - 'eof': ERROR, - 'else': [IN_DOUBLE_QUOTE, APPEND] - }; +function createPatchFunction (backend) { + var i, j; + var cbs = {}; - /** - * Determine the type of a character in a keypath. - * - * @param {Char} ch - * @return {String} type - */ + var modules = backend.modules; + var nodeOps = backend.nodeOps; - function getPathCharType(ch) { - if (ch === undefined) { - return 'eof'; + for (i = 0; i < hooks$1.length; ++i) { + cbs[hooks$1[i]] = []; + for (j = 0; j < modules.length; ++j) { + if (modules[j][hooks$1[i]] !== undefined) { cbs[hooks$1[i]].push(modules[j][hooks$1[i]]); } } + } - var code = ch.charCodeAt(0); + function emptyNodeAt (elm) { + return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm) + } - switch (code) { - case 0x5B: // [ - case 0x5D: // ] - case 0x2E: // . - case 0x22: // " - case 0x27: // ' - case 0x30: - // 0 - return ch; + function createRmCb (childElm, listeners) { + function remove$$1 () { + if (--remove$$1.listeners === 0) { + removeElement(childElm); + } + } + remove$$1.listeners = listeners; + return remove$$1 + } - case 0x5F: // _ - case 0x24: - // $ - return 'ident'; + function removeElement (el) { + var parent = nodeOps.parentNode(el); + nodeOps.removeChild(parent, el); + } - case 0x20: // Space - case 0x09: // Tab - case 0x0A: // Newline - case 0x0D: // Return - case 0xA0: // No-break space - case 0xFEFF: // Byte Order Mark - case 0x2028: // Line Separator - case 0x2029: - // Paragraph Separator - return 'ws'; + function createElm (vnode, insertedVnodeQueue, nested) { + var i; + var data = vnode.data; + vnode.isRootInsert = !nested; + if (isDef(data)) { + if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode); } + // after calling the init hook, if the vnode is a child component + // it should've created a child instance and mounted it. the child + // component also has set the placeholder vnode's elm. + // in that case we can just return the element and be done. + if (isDef(i = vnode.child)) { + initComponent(vnode, insertedVnodeQueue); + return vnode.elm + } + } + var children = vnode.children; + var tag = vnode.tag; + if (isDef(tag)) { + { + if ( + !vnode.ns && + !(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) && + config.isUnknownElement(tag) + ) { + warn( + 'Unknown custom element: <' + tag + '> - did you ' + + 'register the component correctly? For recursive components, ' + + 'make sure to provide the "name" option.', + vnode.context + ); + } + } + vnode.elm = vnode.ns + ? nodeOps.createElementNS(vnode.ns, tag) + : nodeOps.createElement(tag, vnode); + setScope(vnode); + createChildren(vnode, children, insertedVnodeQueue); + if (isDef(data)) { + invokeCreateHooks(vnode, insertedVnodeQueue); + } + } else if (vnode.isComment) { + vnode.elm = nodeOps.createComment(vnode.text); + } else { + vnode.elm = nodeOps.createTextNode(vnode.text); } + return vnode.elm + } - // a-z, A-Z - if (code >= 0x61 && code <= 0x7A || code >= 0x41 && code <= 0x5A) { - return 'ident'; + function createChildren (vnode, children, insertedVnodeQueue) { + if (Array.isArray(children)) { + for (var i = 0; i < children.length; ++i) { + nodeOps.appendChild(vnode.elm, createElm(children[i], insertedVnodeQueue, true)); + } + } else if (isPrimitive(vnode.text)) { + nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(vnode.text)); } + } - // 1-9 - if (code >= 0x31 && code <= 0x39) { - return 'number'; + function isPatchable (vnode) { + while (vnode.child) { + vnode = vnode.child._vnode; } - - return 'else'; + return isDef(vnode.tag) } - /** - * Format a subPath, return its plain form if it is - * a literal string or number. Otherwise prepend the - * dynamic indicator (*). - * - * @param {String} path - * @return {String} - */ + function invokeCreateHooks (vnode, insertedVnodeQueue) { + for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) { + cbs.create[i$1](emptyNode, vnode); + } + i = vnode.data.hook; // Reuse variable + if (isDef(i)) { + if (i.create) { i.create(emptyNode, vnode); } + if (i.insert) { insertedVnodeQueue.push(vnode); } + } + } - function formatSubPath(path) { - var trimmed = path.trim(); - // invalid leading 0 - if (path.charAt(0) === '0' && isNaN(path)) { - return false; + function initComponent (vnode, insertedVnodeQueue) { + if (vnode.data.pendingInsert) { + insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert); + } + vnode.elm = vnode.child.$el; + if (isPatchable(vnode)) { + invokeCreateHooks(vnode, insertedVnodeQueue); + setScope(vnode); + } else { + // empty component root. + // skip all element-related modules except for ref (#3455) + registerRef(vnode); + // make sure to invoke the insert hook + insertedVnodeQueue.push(vnode); } - return isLiteral(trimmed) ? stripQuotes(trimmed) : '*' + trimmed; } - /** - * Parse a string path into an array of segments - * - * @param {String} path - * @return {Array|undefined} - */ + // set scope id attribute for scoped CSS. + // this is implemented as a special case to avoid the overhead + // of going through the normal attribute patching process. + function setScope (vnode) { + var i; + if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) { + nodeOps.setAttribute(vnode.elm, i, ''); + } + if (isDef(i = activeInstance) && + i !== vnode.context && + isDef(i = i.$options._scopeId)) { + nodeOps.setAttribute(vnode.elm, i, ''); + } + } - function parse(path) { - var keys = []; - var index = -1; - var mode = BEFORE_PATH; - var subPathDepth = 0; - var c, newChar, key, type, transition, action, typeMap; + function addVnodes (parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) { + for (; startIdx <= endIdx; ++startIdx) { + nodeOps.insertBefore(parentElm, createElm(vnodes[startIdx], insertedVnodeQueue), before); + } + } - var actions = []; + function invokeDestroyHook (vnode) { + var i, j; + var data = vnode.data; + if (isDef(data)) { + if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); } + for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); } + } + if (isDef(i = vnode.children)) { + for (j = 0; j < vnode.children.length; ++j) { + invokeDestroyHook(vnode.children[j]); + } + } + } - actions[PUSH] = function () { - if (key !== undefined) { - keys.push(key); - key = undefined; + function removeVnodes (parentElm, vnodes, startIdx, endIdx) { + for (; startIdx <= endIdx; ++startIdx) { + var ch = vnodes[startIdx]; + if (isDef(ch)) { + if (isDef(ch.tag)) { + removeAndInvokeRemoveHook(ch); + invokeDestroyHook(ch); + } else { // Text node + nodeOps.removeChild(parentElm, ch.elm); + } } - }; + } + } - actions[APPEND] = function () { - if (key === undefined) { - key = newChar; + function removeAndInvokeRemoveHook (vnode, rm) { + if (rm || isDef(vnode.data)) { + var listeners = cbs.remove.length + 1; + if (!rm) { + // directly removing + rm = createRmCb(vnode.elm, listeners); } else { - key += newChar; + // we have a recursively passed down rm callback + // increase the listeners count + rm.listeners += listeners; } - }; - - actions[INC_SUB_PATH_DEPTH] = function () { - actions[APPEND](); - subPathDepth++; - }; - - actions[PUSH_SUB_PATH] = function () { - if (subPathDepth > 0) { - subPathDepth--; - mode = IN_SUB_PATH; - actions[APPEND](); + // recursively invoke hooks on child component root node + if (isDef(i = vnode.child) && isDef(i = i._vnode) && isDef(i.data)) { + removeAndInvokeRemoveHook(i, rm); + } + for (i = 0; i < cbs.remove.length; ++i) { + cbs.remove[i](vnode, rm); + } + if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) { + i(vnode, rm); + } else { + rm(); + } + } else { + removeElement(vnode.elm); + } + } + + function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) { + var oldStartIdx = 0; + var newStartIdx = 0; + var oldEndIdx = oldCh.length - 1; + var oldStartVnode = oldCh[0]; + var oldEndVnode = oldCh[oldEndIdx]; + var newEndIdx = newCh.length - 1; + var newStartVnode = newCh[0]; + var newEndVnode = newCh[newEndIdx]; + var oldKeyToIdx, idxInOld, elmToMove, before; + + // removeOnly is a special flag used only by + // to ensure removed elements stay in correct relative positions + // during leaving transitions + var canMove = !removeOnly; + + while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) { + if (isUndef(oldStartVnode)) { + oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left + } else if (isUndef(oldEndVnode)) { + oldEndVnode = oldCh[--oldEndIdx]; + } else if (sameVnode(oldStartVnode, newStartVnode)) { + patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue); + oldStartVnode = oldCh[++oldStartIdx]; + newStartVnode = newCh[++newStartIdx]; + } else if (sameVnode(oldEndVnode, newEndVnode)) { + patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue); + oldEndVnode = oldCh[--oldEndIdx]; + newEndVnode = newCh[--newEndIdx]; + } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right + patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue); + canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm)); + oldStartVnode = oldCh[++oldStartIdx]; + newEndVnode = newCh[--newEndIdx]; + } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left + patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue); + canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm); + oldEndVnode = oldCh[--oldEndIdx]; + newStartVnode = newCh[++newStartIdx]; } else { - subPathDepth = 0; - key = formatSubPath(key); - if (key === false) { - return false; + if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); } + idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null; + if (isUndef(idxInOld)) { // New element + nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm); + newStartVnode = newCh[++newStartIdx]; } else { - actions[PUSH](); + elmToMove = oldCh[idxInOld]; + /* istanbul ignore if */ + if ("development" !== 'production' && !elmToMove) { + warn( + 'It seems there are duplicate keys that is causing an update error. ' + + 'Make sure each v-for item has a unique key.' + ); + } + if (elmToMove.tag !== newStartVnode.tag) { + // same key but different element. treat as new element + nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm); + newStartVnode = newCh[++newStartIdx]; + } else { + patchVnode(elmToMove, newStartVnode, insertedVnodeQueue); + oldCh[idxInOld] = undefined; + canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm); + newStartVnode = newCh[++newStartIdx]; + } } } - }; + } + if (oldStartIdx > oldEndIdx) { + before = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm; + addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue); + } else if (newStartIdx > newEndIdx) { + removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx); + } + } - function maybeUnescapeQuote() { - var nextChar = path[index + 1]; - if (mode === IN_SINGLE_QUOTE && nextChar === "'" || mode === IN_DOUBLE_QUOTE && nextChar === '"') { - index++; - newChar = '\\' + nextChar; - actions[APPEND](); - return true; + function patchVnode (oldVnode, vnode, insertedVnodeQueue, removeOnly) { + if (oldVnode === vnode) { + return + } + // reuse element for static trees. + // note we only do this if the vnode is cloned - + // if the new node is not cloned it means the render functions have been + // reset by the hot-reload-api and we need to do a proper re-render. + if (vnode.isStatic && + oldVnode.isStatic && + vnode.key === oldVnode.key && + vnode.isCloned) { + vnode.elm = oldVnode.elm; + return + } + var i; + var data = vnode.data; + var hasData = isDef(data); + if (hasData && isDef(i = data.hook) && isDef(i = i.prepatch)) { + i(oldVnode, vnode); + } + var elm = vnode.elm = oldVnode.elm; + var oldCh = oldVnode.children; + var ch = vnode.children; + if (hasData && isPatchable(vnode)) { + for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); } + if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); } + } + if (isUndef(vnode.text)) { + if (isDef(oldCh) && isDef(ch)) { + if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); } + } else if (isDef(ch)) { + if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); } + addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue); + } else if (isDef(oldCh)) { + removeVnodes(elm, oldCh, 0, oldCh.length - 1); + } else if (isDef(oldVnode.text)) { + nodeOps.setTextContent(elm, ''); + } + } else if (oldVnode.text !== vnode.text) { + nodeOps.setTextContent(elm, vnode.text); + } + if (hasData) { + if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); } + } + } + + function invokeInsertHook (vnode, queue, initial) { + // delay insert hooks for component root nodes, invoke them after the + // element is really inserted + if (initial && vnode.parent) { + vnode.parent.data.pendingInsert = queue; + } else { + for (var i = 0; i < queue.length; ++i) { + queue[i].data.hook.insert(queue[i]); } } + } - while (mode != null) { - index++; - c = path[index]; - - if (c === '\\' && maybeUnescapeQuote()) { - continue; + var bailed = false; + function hydrate (elm, vnode, insertedVnodeQueue) { + { + if (!assertNodeMatch(elm, vnode)) { + return false } - - type = getPathCharType(c); - typeMap = pathStateMachine[mode]; - transition = typeMap[type] || typeMap['else'] || ERROR; - - if (transition === ERROR) { - return; // parse error + } + vnode.elm = elm; + var tag = vnode.tag; + var data = vnode.data; + var children = vnode.children; + if (isDef(data)) { + if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); } + if (isDef(i = vnode.child)) { + // child component. it should have hydrated its own tree. + initComponent(vnode, insertedVnodeQueue); + return true } - - mode = transition[0]; - action = actions[transition[1]]; - if (action) { - newChar = transition[2]; - newChar = newChar === undefined ? c : newChar; - if (action() === false) { - return; + } + if (isDef(tag)) { + if (isDef(children)) { + var childNodes = nodeOps.childNodes(elm); + // empty element, allow client to pick up and populate children + if (!childNodes.length) { + createChildren(vnode, children, insertedVnodeQueue); + } else { + var childrenMatch = true; + if (childNodes.length !== children.length) { + childrenMatch = false; + } else { + for (var i$1 = 0; i$1 < children.length; i$1++) { + if (!hydrate(childNodes[i$1], children[i$1], insertedVnodeQueue)) { + childrenMatch = false; + break + } + } + } + if (!childrenMatch) { + if ("development" !== 'production' && + typeof console !== 'undefined' && + !bailed) { + bailed = true; + console.warn('Parent: ', elm); + console.warn('Mismatching childNodes vs. VNodes: ', childNodes, children); + } + return false + } } } - - if (mode === AFTER_PATH) { - keys.raw = path; - return keys; + if (isDef(data)) { + invokeCreateHooks(vnode, insertedVnodeQueue); } } + return true } - /** - * External parse that check for a cache hit first - * - * @param {String} path - * @return {Array|undefined} - */ - - function parsePath(path) { - var hit = pathCache.get(path); - if (!hit) { - hit = parse(path); - if (hit) { - pathCache.put(path, hit); - } + function assertNodeMatch (node, vnode) { + if (vnode.tag) { + return ( + vnode.tag.indexOf('vue-component') === 0 || + vnode.tag === nodeOps.tagName(node).toLowerCase() + ) + } else { + return _toString(vnode.text) === node.data } - return hit; - } - - /** - * Get from an object from a path string - * - * @param {Object} obj - * @param {String} path - */ - - function getPath(obj, path) { - return parseExpression(path).get(obj); } - /** - * Warn against setting non-existent root path on a vm. - */ - - var warnNonExistent; - if ('development' !== 'production') { - warnNonExistent = function (path, vm) { - warn('You are setting a non-existent path "' + path.raw + '" ' + 'on a vm instance. Consider pre-initializing the property ' + 'with the "data" option for more reliable reactivity ' + 'and better performance.', vm); - }; - } + return function patch (oldVnode, vnode, hydrating, removeOnly) { + if (!vnode) { + if (oldVnode) { invokeDestroyHook(oldVnode); } + return + } - /** - * Set on an object from a path - * - * @param {Object} obj - * @param {String | Array} path - * @param {*} val - */ + var elm, parent; + var isInitialPatch = false; + var insertedVnodeQueue = []; - function setPath(obj, path, val) { - var original = obj; - if (typeof path === 'string') { - path = parse(path); - } - if (!path || !isObject(obj)) { - return false; - } - var last, key; - for (var i = 0, l = path.length; i < l; i++) { - last = obj; - key = path[i]; - if (key.charAt(0) === '*') { - key = parseExpression(key.slice(1)).get.call(original, original); - } - if (i < l - 1) { - obj = obj[key]; - if (!isObject(obj)) { - obj = {}; - if ('development' !== 'production' && last._isVue) { - warnNonExistent(path, last); - } - set(last, key, obj); - } + if (!oldVnode) { + // empty mount, create new root element + isInitialPatch = true; + createElm(vnode, insertedVnodeQueue); + } else { + var isRealElement = isDef(oldVnode.nodeType); + if (!isRealElement && sameVnode(oldVnode, vnode)) { + patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly); } else { - if (isArray(obj)) { - obj.$set(key, val); - } else if (key in obj) { - obj[key] = val; - } else { - if ('development' !== 'production' && obj._isVue) { - warnNonExistent(path, obj); + if (isRealElement) { + // mounting to a real element + // check if this is server-rendered content and if we can perform + // a successful hydration. + if (oldVnode.nodeType === 1 && oldVnode.hasAttribute('server-rendered')) { + oldVnode.removeAttribute('server-rendered'); + hydrating = true; + } + if (hydrating) { + if (hydrate(oldVnode, vnode, insertedVnodeQueue)) { + invokeInsertHook(vnode, insertedVnodeQueue, true); + return oldVnode + } else { + warn( + 'The client-side rendered virtual DOM tree is not matching ' + + 'server-rendered content. This is likely caused by incorrect ' + + 'HTML markup, for example nesting block-level elements inside ' + + '

, or missing . Bailing hydration and performing ' + + 'full client-side render.' + ); + } + } + // either not server-rendered, or hydration failed. + // create an empty node and replace it + oldVnode = emptyNodeAt(oldVnode); + } + elm = oldVnode.elm; + parent = nodeOps.parentNode(elm); + + createElm(vnode, insertedVnodeQueue); + + // component root element replaced. + // update parent placeholder node element. + if (vnode.parent) { + vnode.parent.elm = vnode.elm; + if (isPatchable(vnode)) { + for (var i = 0; i < cbs.create.length; ++i) { + cbs.create[i](emptyNode, vnode.parent); + } } - set(obj, key, val); + } + + if (parent !== null) { + nodeOps.insertBefore(parent, vnode.elm, nodeOps.nextSibling(elm)); + removeVnodes(parent, [oldVnode], 0, 0); + } else if (isDef(oldVnode.tag)) { + invokeDestroyHook(oldVnode); } } } - return true; - } - -var path = Object.freeze({ - parsePath: parsePath, - getPath: getPath, - setPath: setPath - }); - var expressionCache = new Cache(1000); + invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch); + return vnode.elm + } +} - var allowedKeywords = 'Math,Date,this,true,false,null,undefined,Infinity,NaN,' + 'isNaN,isFinite,decodeURI,decodeURIComponent,encodeURI,' + 'encodeURIComponent,parseInt,parseFloat'; - var allowedKeywordsRE = new RegExp('^(' + allowedKeywords.replace(/,/g, '\\b|') + '\\b)'); +/* */ - // keywords that don't make sense inside expressions - var improperKeywords = 'break,case,class,catch,const,continue,debugger,default,' + 'delete,do,else,export,extends,finally,for,function,if,' + 'import,in,instanceof,let,return,super,switch,throw,try,' + 'var,while,with,yield,enum,await,implements,package,' + 'protected,static,interface,private,public'; - var improperKeywordsRE = new RegExp('^(' + improperKeywords.replace(/,/g, '\\b|') + '\\b)'); +var directives = { + create: updateDirectives, + update: updateDirectives, + destroy: function unbindDirectives (vnode) { + updateDirectives(vnode, emptyNode); + } +}; - var wsRE = /\s/g; - var newlineRE = /\n/g; - var saveRE = /[\{,]\s*[\w\$_]+\s*:|('(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`)|new |typeof |void /g; - var restoreRE = /"(\d+)"/g; - var pathTestRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/; - var identRE = /[^\w$\.](?:[A-Za-z_$][\w$]*)/g; - var literalValueRE$1 = /^(?:true|false|null|undefined|Infinity|NaN)$/; +function updateDirectives ( + oldVnode, + vnode +) { + if (!oldVnode.data.directives && !vnode.data.directives) { + return + } + var isCreate = oldVnode === emptyNode; + var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context); + var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context); - function noop() {} + var dirsWithInsert = []; + var dirsWithPostpatch = []; - /** - * Save / Rewrite / Restore - * - * When rewriting paths found in an expression, it is - * possible for the same letter sequences to be found in - * strings and Object literal property keys. Therefore we - * remove and store these parts in a temporary array, and - * restore them after the path rewrite. - */ + var key, oldDir, dir; + for (key in newDirs) { + oldDir = oldDirs[key]; + dir = newDirs[key]; + if (!oldDir) { + // new directive, bind + callHook$1(dir, 'bind', vnode, oldVnode); + if (dir.def && dir.def.inserted) { + dirsWithInsert.push(dir); + } + } else { + // existing directive, update + dir.oldValue = oldDir.value; + callHook$1(dir, 'update', vnode, oldVnode); + if (dir.def && dir.def.componentUpdated) { + dirsWithPostpatch.push(dir); + } + } + } - var saved = []; + if (dirsWithInsert.length) { + var callInsert = function () { + dirsWithInsert.forEach(function (dir) { + callHook$1(dir, 'inserted', vnode, oldVnode); + }); + }; + if (isCreate) { + mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', callInsert, 'dir-insert'); + } else { + callInsert(); + } + } - /** - * Save replacer - * - * The save regex can match two possible cases: - * 1. An opening object literal - * 2. A string - * If matched as a plain string, we need to escape its - * newlines, since the string needs to be preserved when - * generating the function body. - * - * @param {String} str - * @param {String} isString - str if matched as a string - * @return {String} - placeholder with index - */ + if (dirsWithPostpatch.length) { + mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'postpatch', function () { + dirsWithPostpatch.forEach(function (dir) { + callHook$1(dir, 'componentUpdated', vnode, oldVnode); + }); + }, 'dir-postpatch'); + } - function save(str, isString) { - var i = saved.length; - saved[i] = isString ? str.replace(newlineRE, '\\n') : str; - return '"' + i + '"'; + if (!isCreate) { + for (key in oldDirs) { + if (!newDirs[key]) { + // no longer present, unbind + callHook$1(oldDirs[key], 'unbind', oldVnode); + } + } } +} - /** - * Path rewrite replacer - * - * @param {String} raw - * @return {String} - */ +var emptyModifiers = Object.create(null); - function rewrite(raw) { - var c = raw.charAt(0); - var path = raw.slice(1); - if (allowedKeywordsRE.test(path)) { - return raw; - } else { - path = path.indexOf('"') > -1 ? path.replace(restoreRE, restore) : path; - return c + 'scope.' + path; +function normalizeDirectives$1 ( + dirs, + vm +) { + var res = Object.create(null); + if (!dirs) { + return res + } + var i, dir; + for (i = 0; i < dirs.length; i++) { + dir = dirs[i]; + if (!dir.modifiers) { + dir.modifiers = emptyModifiers; } + res[getRawDirName(dir)] = dir; + dir.def = resolveAsset(vm.$options, 'directives', dir.name, true); } + return res +} - /** - * Restore replacer - * - * @param {String} str - * @param {String} i - matched save index - * @return {String} - */ +function getRawDirName (dir) { + return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.'))) +} - function restore(str, i) { - return saved[i]; +function callHook$1 (dir, hook, vnode, oldVnode) { + var fn = dir.def && dir.def[hook]; + if (fn) { + fn(vnode.elm, dir, vnode, oldVnode); } +} - /** - * Rewrite an expression, prefixing all path accessors with - * `scope.` and generate getter/setter functions. - * - * @param {String} exp - * @return {Function} - */ +var baseModules = [ + ref, + directives +]; - function compileGetter(exp) { - if (improperKeywordsRE.test(exp)) { - 'development' !== 'production' && warn('Avoid using reserved keywords in expression: ' + exp); - } - // reset state - saved.length = 0; - // save strings and object literal keys - var body = exp.replace(saveRE, save).replace(wsRE, ''); - // rewrite all paths - // pad 1 space here because the regex matches 1 extra char - body = (' ' + body).replace(identRE, rewrite).replace(restoreRE, restore); - return makeGetterFn(body); - } +/* */ - /** - * Build a getter function. Requires eval. - * - * We isolate the try/catch so it doesn't affect the - * optimization of the parse function when it is not called. - * - * @param {String} body - * @return {Function|undefined} - */ +function updateAttrs (oldVnode, vnode) { + if (!oldVnode.data.attrs && !vnode.data.attrs) { + return + } + var key, cur, old; + var elm = vnode.elm; + var oldAttrs = oldVnode.data.attrs || {}; + var attrs = vnode.data.attrs || {}; + // clone observed objects, as the user probably wants to mutate it + if (attrs.__ob__) { + attrs = vnode.data.attrs = extend({}, attrs); + } - function makeGetterFn(body) { - try { - /* eslint-disable no-new-func */ - return new Function('scope', 'return ' + body + ';'); - /* eslint-enable no-new-func */ - } catch (e) { - if ('development' !== 'production') { - /* istanbul ignore if */ - if (e.toString().match(/unsafe-eval|CSP/)) { - warn('It seems you are using the default build of Vue.js in an environment ' + 'with Content Security Policy that prohibits unsafe-eval. ' + 'Use the CSP-compliant build instead: ' + 'http://vuejs.org/guide/installation.html#CSP-compliant-build'); - } else { - warn('Invalid expression. ' + 'Generated function body: ' + body); - } + for (key in attrs) { + cur = attrs[key]; + old = oldAttrs[key]; + if (old !== cur) { + setAttr(elm, key, cur); + } + } + for (key in oldAttrs) { + if (attrs[key] == null) { + if (isXlink(key)) { + elm.removeAttributeNS(xlinkNS, getXlinkProp(key)); + } else if (!isEnumeratedAttr(key)) { + elm.removeAttribute(key); } - return noop; } } +} - /** - * Compile a setter function for the expression. - * - * @param {String} exp - * @return {Function|undefined} - */ - - function compileSetter(exp) { - var path = parsePath(exp); - if (path) { - return function (scope, val) { - setPath(scope, path, val); - }; +function setAttr (el, key, value) { + if (isBooleanAttr(key)) { + // set attribute for blank value + // e.g. + if (isFalsyAttrValue(value)) { + el.removeAttribute(key); } else { - 'development' !== 'production' && warn('Invalid setter expression: ' + exp); + el.setAttribute(key, key); } - } - - /** - * Parse an expression into re-written getter/setters. - * - * @param {String} exp - * @param {Boolean} needSet - * @return {Function} - */ - - function parseExpression(exp, needSet) { - exp = exp.trim(); - // try cache - var hit = expressionCache.get(exp); - if (hit) { - if (needSet && !hit.set) { - hit.set = compileSetter(hit.exp); - } - return hit; + } else if (isEnumeratedAttr(key)) { + el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true'); + } else if (isXlink(key)) { + if (isFalsyAttrValue(value)) { + el.removeAttributeNS(xlinkNS, getXlinkProp(key)); + } else { + el.setAttributeNS(xlinkNS, key, value); } - var res = { exp: exp }; - res.get = isSimplePath(exp) && exp.indexOf('[') < 0 - // optimized super simple getter - ? makeGetterFn('scope.' + exp) - // dynamic getter - : compileGetter(exp); - if (needSet) { - res.set = compileSetter(exp); + } else { + if (isFalsyAttrValue(value)) { + el.removeAttribute(key); + } else { + el.setAttribute(key, value); } - expressionCache.put(exp, res); - return res; } +} - /** - * Check if an expression is a simple path. - * - * @param {String} exp - * @return {Boolean} - */ +var attrs = { + create: updateAttrs, + update: updateAttrs +}; - function isSimplePath(exp) { - return pathTestRE.test(exp) && - // don't treat literal values as paths - !literalValueRE$1.test(exp) && - // Math constants e.g. Math.PI, Math.E etc. - exp.slice(0, 5) !== 'Math.'; +/* */ + +function updateClass (oldVnode, vnode) { + var el = vnode.elm; + var data = vnode.data; + var oldData = oldVnode.data; + if (!data.staticClass && !data.class && + (!oldData || (!oldData.staticClass && !oldData.class))) { + return } -var expression = Object.freeze({ - parseExpression: parseExpression, - isSimplePath: isSimplePath - }); + var cls = genClassForVnode(vnode); - // we have two separate queues: one for directive updates - // and one for user watcher registered via $watch(). - // we want to guarantee directive updates to be called - // before user watchers so that when user watchers are - // triggered, the DOM would have already been in updated - // state. + // handle transition classes + var transitionClass = el._transitionClasses; + if (transitionClass) { + cls = concat(cls, stringifyClass(transitionClass)); + } - var queue = []; - var userQueue = []; - var has = {}; - var circular = {}; - var waiting = false; + // set the class + if (cls !== el._prevClass) { + el.setAttribute('class', cls); + el._prevClass = cls; + } +} - /** - * Reset the batcher's state. - */ +var klass = { + create: updateClass, + update: updateClass +}; - function resetBatcherState() { - queue.length = 0; - userQueue.length = 0; - has = {}; - circular = {}; - waiting = false; +// skip type checking this file because we need to attach private properties +// to elements + +function updateDOMListeners (oldVnode, vnode) { + if (!oldVnode.data.on && !vnode.data.on) { + return + } + var on = vnode.data.on || {}; + var oldOn = oldVnode.data.on || {}; + var add = vnode.elm._v_add || (vnode.elm._v_add = function (event, handler, capture) { + vnode.elm.addEventListener(event, handler, capture); + }); + var remove = vnode.elm._v_remove || (vnode.elm._v_remove = function (event, handler) { + vnode.elm.removeEventListener(event, handler); + }); + updateListeners(on, oldOn, add, remove, vnode.context); +} + +var events = { + create: updateDOMListeners, + update: updateDOMListeners +}; + +/* */ + +function updateDOMProps (oldVnode, vnode) { + if (!oldVnode.data.domProps && !vnode.data.domProps) { + return + } + var key, cur; + var elm = vnode.elm; + var oldProps = oldVnode.data.domProps || {}; + var props = vnode.data.domProps || {}; + // clone observed objects, as the user probably wants to mutate it + if (props.__ob__) { + props = vnode.data.domProps = extend({}, props); + } + + for (key in oldProps) { + if (props[key] == null) { + elm[key] = undefined; + } + } + for (key in props) { + // ignore children if the node has textContent or innerHTML, + // as these will throw away existing DOM nodes and cause removal errors + // on subsequent patches (#3360) + if ((key === 'textContent' || key === 'innerHTML') && vnode.children) { + vnode.children.length = 0; + } + cur = props[key]; + if (key === 'value') { + // store value as _value as well since + // non-string values will be stringified + elm._value = cur; + // avoid resetting cursor position when value is the same + var strCur = cur == null ? '' : String(cur); + if (elm.value !== strCur && !elm.composing) { + elm.value = strCur; + } + } else { + elm[key] = cur; + } } +} - /** - * Flush both queues and run the watchers. - */ +var domProps = { + create: updateDOMProps, + update: updateDOMProps +}; - function flushBatcherQueue() { - var _again = true; +/* */ - _function: while (_again) { - _again = false; +var prefixes = ['Webkit', 'Moz', 'ms']; - runBatcherQueue(queue); - runBatcherQueue(userQueue); - // user watchers triggered more watchers, - // keep flushing until it depletes - if (queue.length) { - _again = true; - continue _function; - } - // dev tool hook - /* istanbul ignore if */ - if (devtools && config.devtools) { - devtools.emit('flush'); - } - resetBatcherState(); +var testEl; +var normalize = cached(function (prop) { + testEl = testEl || document.createElement('div'); + prop = camelize(prop); + if (prop !== 'filter' && (prop in testEl.style)) { + return prop + } + var upper = prop.charAt(0).toUpperCase() + prop.slice(1); + for (var i = 0; i < prefixes.length; i++) { + var prefixed = prefixes[i] + upper; + if (prefixed in testEl.style) { + return prefixed } } +}); - /** - * Run the watchers in a single queue. - * - * @param {Array} queue - */ +function updateStyle (oldVnode, vnode) { + if ((!oldVnode.data || !oldVnode.data.style) && !vnode.data.style) { + return + } + var cur, name; + var el = vnode.elm; + var oldStyle = oldVnode.data.style || {}; + var style = vnode.data.style || {}; - function runBatcherQueue(queue) { - // do not cache length because more watchers might be pushed - // as we run existing watchers - for (var i = 0; i < queue.length; i++) { - var watcher = queue[i]; - var id = watcher.id; - has[id] = null; - watcher.run(); - // in dev build, check and stop circular updates. - if ('development' !== 'production' && has[id] != null) { - circular[id] = (circular[id] || 0) + 1; - if (circular[id] > config._maxUpdateCount) { - warn('You may have an infinite update loop for watcher ' + 'with expression "' + watcher.expression + '"', watcher.vm); - break; - } - } - } - queue.length = 0; + // handle string + if (typeof style === 'string') { + el.style.cssText = style; + return } - /** - * Push a watcher into the watcher queue. - * Jobs with duplicate IDs will be skipped unless it's - * pushed when the queue is being flushed. - * - * @param {Watcher} watcher - * properties: - * - {Number} id - * - {Function} run - */ + var needClone = style.__ob__; - function pushWatcher(watcher) { - var id = watcher.id; - if (has[id] == null) { - // push watcher into appropriate queue - var q = watcher.user ? userQueue : queue; - has[id] = q.length; - q.push(watcher); - // queue the flush - if (!waiting) { - waiting = true; - nextTick(flushBatcherQueue); - } - } + // handle array syntax + if (Array.isArray(style)) { + style = vnode.data.style = toObject(style); } - var uid$2 = 0; + // clone the style for future updates, + // in case the user mutates the style object in-place. + if (needClone) { + style = vnode.data.style = extend({}, style); + } - /** - * A watcher parses an expression, collects dependencies, - * and fires callback when the expression value changes. - * This is used for both the $watch() api and directives. - * - * @param {Vue} vm - * @param {String|Function} expOrFn - * @param {Function} cb - * @param {Object} options - * - {Array} filters - * - {Boolean} twoWay - * - {Boolean} deep - * - {Boolean} user - * - {Boolean} sync - * - {Boolean} lazy - * - {Function} [preProcess] - * - {Function} [postProcess] - * @constructor - */ - function Watcher(vm, expOrFn, cb, options) { - // mix in options - if (options) { - extend(this, options); - } - var isFn = typeof expOrFn === 'function'; - this.vm = vm; - vm._watchers.push(this); - this.expression = expOrFn; - this.cb = cb; - this.id = ++uid$2; // uid for batching - this.active = true; - this.dirty = this.lazy; // for lazy watchers - this.deps = []; - this.newDeps = []; - this.depIds = new _Set(); - this.newDepIds = new _Set(); - this.prevError = null; // for async error stacks - // parse expression for getter/setter - if (isFn) { - this.getter = expOrFn; - this.setter = undefined; - } else { - var res = parseExpression(expOrFn, this.twoWay); - this.getter = res.get; - this.setter = res.set; + for (name in oldStyle) { + if (style[name] == null) { + el.style[normalize(name)] = ''; + } + } + for (name in style) { + cur = style[name]; + if (cur !== oldStyle[name]) { + // ie9 setting to null has no effect, must use empty string + el.style[normalize(name)] = cur == null ? '' : cur; } - this.value = this.lazy ? undefined : this.get(); - // state for avoiding false triggers for deep and Array - // watchers during vm._digest() - this.queued = this.shallow = false; } +} - /** - * Evaluate the getter, and re-collect dependencies. - */ +var style = { + create: updateStyle, + update: updateStyle +}; - Watcher.prototype.get = function () { - this.beforeGet(); - var scope = this.scope || this.vm; - var value; - try { - value = this.getter.call(scope, scope); - } catch (e) { - if ('development' !== 'production' && config.warnExpressionErrors) { - warn('Error when evaluating expression ' + '"' + this.expression + '": ' + e.toString(), this.vm); - } - } - // "touch" every property so they are all tracked as - // dependencies for deep watching - if (this.deep) { - traverse(value); +/* */ + +/** + * Add class with compatibility for SVG since classList is not supported on + * SVG elements in IE + */ +function addClass (el, cls) { + /* istanbul ignore else */ + if (el.classList) { + if (cls.indexOf(' ') > -1) { + cls.split(/\s+/).forEach(function (c) { return el.classList.add(c); }); + } else { + el.classList.add(cls); } - if (this.preProcess) { - value = this.preProcess(value); + } else { + var cur = ' ' + el.getAttribute('class') + ' '; + if (cur.indexOf(' ' + cls + ' ') < 0) { + el.setAttribute('class', (cur + cls).trim()); } - if (this.filters) { - value = scope._applyFilters(value, null, this.filters, false); + } +} + +/** + * Remove class with compatibility for SVG since classList is not supported on + * SVG elements in IE + */ +function removeClass (el, cls) { + /* istanbul ignore else */ + if (el.classList) { + if (cls.indexOf(' ') > -1) { + cls.split(/\s+/).forEach(function (c) { return el.classList.remove(c); }); + } else { + el.classList.remove(cls); } - if (this.postProcess) { - value = this.postProcess(value); + } else { + var cur = ' ' + el.getAttribute('class') + ' '; + var tar = ' ' + cls + ' '; + while (cur.indexOf(tar) >= 0) { + cur = cur.replace(tar, ' '); } - this.afterGet(); - return value; - }; + el.setAttribute('class', cur.trim()); + } +} - /** - * Set the corresponding value with the setter. - * - * @param {*} value - */ +/* */ - Watcher.prototype.set = function (value) { - var scope = this.scope || this.vm; - if (this.filters) { - value = scope._applyFilters(value, this.value, this.filters, true); - } - try { - this.setter.call(scope, scope, value); - } catch (e) { - if ('development' !== 'production' && config.warnExpressionErrors) { - warn('Error when evaluating setter ' + '"' + this.expression + '": ' + e.toString(), this.vm); - } - } - // two-way sync for v-for alias - var forContext = scope.$forContext; - if (forContext && forContext.alias === this.expression) { - if (forContext.filters) { - 'development' !== 'production' && warn('It seems you are using two-way binding on ' + 'a v-for alias (' + this.expression + '), and the ' + 'v-for has filters. This will not work properly. ' + 'Either remove the filters or use an array of ' + 'objects and bind to object properties instead.', this.vm); - return; - } - forContext._withLock(function () { - if (scope.$key) { - // original is an object - forContext.rawValue[scope.$key] = value; - } else { - forContext.rawValue.$set(scope.$index, value); - } - }); - } - }; - - /** - * Prepare for dependency collection. - */ +var hasTransition = inBrowser && !isIE9; +var TRANSITION = 'transition'; +var ANIMATION = 'animation'; - Watcher.prototype.beforeGet = function () { - Dep.target = this; +// Transition property/event sniffing +var transitionProp = 'transition'; +var transitionEndEvent = 'transitionend'; +var animationProp = 'animation'; +var animationEndEvent = 'animationend'; +if (hasTransition) { + /* istanbul ignore if */ + if (window.ontransitionend === undefined && + window.onwebkittransitionend !== undefined) { + transitionProp = 'WebkitTransition'; + transitionEndEvent = 'webkitTransitionEnd'; + } + if (window.onanimationend === undefined && + window.onwebkitanimationend !== undefined) { + animationProp = 'WebkitAnimation'; + animationEndEvent = 'webkitAnimationEnd'; + } +} + +var raf = (inBrowser && window.requestAnimationFrame) || setTimeout; +function nextFrame (fn) { + raf(function () { + raf(fn); + }); +} + +function addTransitionClass (el, cls) { + (el._transitionClasses || (el._transitionClasses = [])).push(cls); + addClass(el, cls); +} + +function removeTransitionClass (el, cls) { + if (el._transitionClasses) { + remove$1(el._transitionClasses, cls); + } + removeClass(el, cls); +} + +function whenTransitionEnds ( + el, + expectedType, + cb +) { + var ref = getTransitionInfo(el, expectedType); + var type = ref.type; + var timeout = ref.timeout; + var propCount = ref.propCount; + if (!type) { return cb() } + var event = type === TRANSITION ? transitionEndEvent : animationEndEvent; + var ended = 0; + var end = function () { + el.removeEventListener(event, onEnd); + cb(); }; - - /** - * Add a dependency to this directive. - * - * @param {Dep} dep - */ - - Watcher.prototype.addDep = function (dep) { - var id = dep.id; - if (!this.newDepIds.has(id)) { - this.newDepIds.add(id); - this.newDeps.push(dep); - if (!this.depIds.has(id)) { - dep.addSub(this); + var onEnd = function (e) { + if (e.target === el) { + if (++ended >= propCount) { + end(); } } }; + setTimeout(function () { + if (ended < propCount) { + end(); + } + }, timeout + 1); + el.addEventListener(event, onEnd); +} + +var transformRE = /\b(transform|all)(,|$)/; + +function getTransitionInfo (el, expectedType) { + var styles = window.getComputedStyle(el); + var transitioneDelays = styles[transitionProp + 'Delay'].split(', '); + var transitionDurations = styles[transitionProp + 'Duration'].split(', '); + var transitionTimeout = getTimeout(transitioneDelays, transitionDurations); + var animationDelays = styles[animationProp + 'Delay'].split(', '); + var animationDurations = styles[animationProp + 'Duration'].split(', '); + var animationTimeout = getTimeout(animationDelays, animationDurations); + + var type; + var timeout = 0; + var propCount = 0; + /* istanbul ignore if */ + if (expectedType === TRANSITION) { + if (transitionTimeout > 0) { + type = TRANSITION; + timeout = transitionTimeout; + propCount = transitionDurations.length; + } + } else if (expectedType === ANIMATION) { + if (animationTimeout > 0) { + type = ANIMATION; + timeout = animationTimeout; + propCount = animationDurations.length; + } + } else { + timeout = Math.max(transitionTimeout, animationTimeout); + type = timeout > 0 + ? transitionTimeout > animationTimeout + ? TRANSITION + : ANIMATION + : null; + propCount = type + ? type === TRANSITION + ? transitionDurations.length + : animationDurations.length + : 0; + } + var hasTransform = + type === TRANSITION && + transformRE.test(styles[transitionProp + 'Property']); + return { + type: type, + timeout: timeout, + propCount: propCount, + hasTransform: hasTransform + } +} + +function getTimeout (delays, durations) { + return Math.max.apply(null, durations.map(function (d, i) { + return toMs(d) + toMs(delays[i]) + })) +} + +function toMs (s) { + return Number(s.slice(0, -1)) * 1000 +} + +/* */ + +function enter (vnode) { + var el = vnode.elm; + + // call leave callback now + if (el._leaveCb) { + el._leaveCb.cancelled = true; + el._leaveCb(); + } + + var data = resolveTransition(vnode.data.transition); + if (!data) { + return + } - /** - * Clean up for dependency collection. - */ - - Watcher.prototype.afterGet = function () { - Dep.target = null; - var i = this.deps.length; - while (i--) { - var dep = this.deps[i]; - if (!this.newDepIds.has(dep.id)) { - dep.removeSub(this); - } - } - var tmp = this.depIds; - this.depIds = this.newDepIds; - this.newDepIds = tmp; - this.newDepIds.clear(); - tmp = this.deps; - this.deps = this.newDeps; - this.newDeps = tmp; - this.newDeps.length = 0; - }; - - /** - * Subscriber interface. - * Will be called when a dependency changes. - * - * @param {Boolean} shallow - */ - - Watcher.prototype.update = function (shallow) { - if (this.lazy) { - this.dirty = true; - } else if (this.sync || !config.async) { - this.run(); + /* istanbul ignore if */ + if (el._enterCb || el.nodeType !== 1) { + return + } + + var css = data.css; + var type = data.type; + var enterClass = data.enterClass; + var enterActiveClass = data.enterActiveClass; + var appearClass = data.appearClass; + var appearActiveClass = data.appearActiveClass; + var beforeEnter = data.beforeEnter; + var enter = data.enter; + var afterEnter = data.afterEnter; + var enterCancelled = data.enterCancelled; + var beforeAppear = data.beforeAppear; + var appear = data.appear; + var afterAppear = data.afterAppear; + var appearCancelled = data.appearCancelled; + + // activeInstance will always be the component managing this + // transition. One edge case to check is when the is placed + // as the root node of a child component. In that case we need to check + // 's parent for appear check. + var transitionNode = activeInstance.$vnode; + var context = transitionNode && transitionNode.parent + ? transitionNode.parent.context + : activeInstance; + + var isAppear = !context._isMounted || !vnode.isRootInsert; + + if (isAppear && !appear && appear !== '') { + return + } + + var startClass = isAppear ? appearClass : enterClass; + var activeClass = isAppear ? appearActiveClass : enterActiveClass; + var beforeEnterHook = isAppear ? (beforeAppear || beforeEnter) : beforeEnter; + var enterHook = isAppear ? (typeof appear === 'function' ? appear : enter) : enter; + var afterEnterHook = isAppear ? (afterAppear || afterEnter) : afterEnter; + var enterCancelledHook = isAppear ? (appearCancelled || enterCancelled) : enterCancelled; + + var expectsCSS = css !== false && !isIE9; + var userWantsControl = + enterHook && + // enterHook may be a bound method which exposes + // the length of original fn as _length + (enterHook._length || enterHook.length) > 1; + + var cb = el._enterCb = once(function () { + if (expectsCSS) { + removeTransitionClass(el, activeClass); + } + if (cb.cancelled) { + if (expectsCSS) { + removeTransitionClass(el, startClass); + } + enterCancelledHook && enterCancelledHook(el); } else { - // if queued, only overwrite shallow with non-shallow, - // but not the other way around. - this.shallow = this.queued ? shallow ? this.shallow : false : !!shallow; - this.queued = true; - // record before-push error stack in debug mode - /* istanbul ignore if */ - if ('development' !== 'production' && config.debug) { - this.prevError = new Error('[vue] async stack trace'); - } - pushWatcher(this); + afterEnterHook && afterEnterHook(el); } - }; + el._enterCb = null; + }); - /** - * Batcher job interface. - * Will be called by the batcher. - */ + if (!vnode.data.show) { + // remove pending leave element on enter by injecting an insert hook + mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () { + var parent = el.parentNode; + var pendingNode = parent && parent._pending && parent._pending[vnode.key]; + if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) { + pendingNode.elm._leaveCb(); + } + enterHook && enterHook(el, cb); + }, 'transition-insert'); + } - Watcher.prototype.run = function () { - if (this.active) { - var value = this.get(); - if (value !== this.value || - // Deep watchers and watchers on Object/Arrays should fire even - // when the value is the same, because the value may - // have mutated; but only do so if this is a - // non-shallow update (caused by a vm digest). - (isObject(value) || this.deep) && !this.shallow) { - // set new value - var oldValue = this.value; - this.value = value; - // in debug + async mode, when a watcher callbacks - // throws, we also throw the saved before-push error - // so the full cross-tick stack trace is available. - var prevError = this.prevError; - /* istanbul ignore if */ - if ('development' !== 'production' && config.debug && prevError) { - this.prevError = null; - try { - this.cb.call(this.vm, value, oldValue); - } catch (e) { - nextTick(function () { - throw prevError; - }, 0); - throw e; - } - } else { - this.cb.call(this.vm, value, oldValue); - } + // start enter transition + beforeEnterHook && beforeEnterHook(el); + if (expectsCSS) { + addTransitionClass(el, startClass); + addTransitionClass(el, activeClass); + nextFrame(function () { + removeTransitionClass(el, startClass); + if (!cb.cancelled && !userWantsControl) { + whenTransitionEnds(el, type, cb); } - this.queued = this.shallow = false; - } - }; + }); + } - /** - * Evaluate the value of the watcher. - * This only gets called for lazy watchers. - */ + if (vnode.data.show) { + enterHook && enterHook(el, cb); + } - Watcher.prototype.evaluate = function () { - // avoid overwriting another watcher that is being - // collected. - var current = Dep.target; - this.value = this.get(); - this.dirty = false; - Dep.target = current; - }; + if (!expectsCSS && !userWantsControl) { + cb(); + } +} - /** - * Depend on all deps collected by this watcher. - */ +function leave (vnode, rm) { + var el = vnode.elm; - Watcher.prototype.depend = function () { - var i = this.deps.length; - while (i--) { - this.deps[i].depend(); - } - }; + // call enter callback now + if (el._enterCb) { + el._enterCb.cancelled = true; + el._enterCb(); + } - /** - * Remove self from all dependencies' subcriber list. - */ + var data = resolveTransition(vnode.data.transition); + if (!data) { + return rm() + } - Watcher.prototype.teardown = function () { - if (this.active) { - // remove self from vm's watcher list - // this is a somewhat expensive operation so we skip it - // if the vm is being destroyed or is performing a v-for - // re-render (the watcher list is then filtered by v-for). - if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) { - this.vm._watchers.$remove(this); - } - var i = this.deps.length; - while (i--) { - this.deps[i].removeSub(this); - } - this.active = false; - this.vm = this.cb = this.value = null; + /* istanbul ignore if */ + if (el._leaveCb || el.nodeType !== 1) { + return + } + + var css = data.css; + var type = data.type; + var leaveClass = data.leaveClass; + var leaveActiveClass = data.leaveActiveClass; + var beforeLeave = data.beforeLeave; + var leave = data.leave; + var afterLeave = data.afterLeave; + var leaveCancelled = data.leaveCancelled; + var delayLeave = data.delayLeave; + + var expectsCSS = css !== false && !isIE9; + var userWantsControl = + leave && + // leave hook may be a bound method which exposes + // the length of original fn as _length + (leave._length || leave.length) > 1; + + var cb = el._leaveCb = once(function () { + if (el.parentNode && el.parentNode._pending) { + el.parentNode._pending[vnode.key] = null; + } + if (expectsCSS) { + removeTransitionClass(el, leaveActiveClass); + } + if (cb.cancelled) { + if (expectsCSS) { + removeTransitionClass(el, leaveClass); + } + leaveCancelled && leaveCancelled(el); + } else { + rm(); + afterLeave && afterLeave(el); } - }; + el._leaveCb = null; + }); - /** - * Recrusively traverse an object to evoke all converted - * getters, so that every nested property inside the object - * is collected as a "deep" dependency. - * - * @param {*} val - */ + if (delayLeave) { + delayLeave(performLeave); + } else { + performLeave(); + } - var seenObjects = new _Set(); - function traverse(val, seen) { - var i = undefined, - keys = undefined; - if (!seen) { - seen = seenObjects; - seen.clear(); - } - var isA = isArray(val); - var isO = isObject(val); - if ((isA || isO) && Object.isExtensible(val)) { - if (val.__ob__) { - var depId = val.__ob__.dep.id; - if (seen.has(depId)) { - return; - } else { - seen.add(depId); + function performLeave () { + // the delayed leave may have already been cancelled + if (cb.cancelled) { + return + } + // record leaving element + if (!vnode.data.show) { + (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode; + } + beforeLeave && beforeLeave(el); + if (expectsCSS) { + addTransitionClass(el, leaveClass); + addTransitionClass(el, leaveActiveClass); + nextFrame(function () { + removeTransitionClass(el, leaveClass); + if (!cb.cancelled && !userWantsControl) { + whenTransitionEnds(el, type, cb); } - } - if (isA) { - i = val.length; - while (i--) traverse(val[i], seen); - } else if (isO) { - keys = Object.keys(val); - i = keys.length; - while (i--) traverse(val[keys[i]], seen); - } + }); + } + leave && leave(el, cb); + if (!expectsCSS && !userWantsControl) { + cb(); } } +} - var text$1 = { - - bind: function bind() { - this.attr = this.el.nodeType === 3 ? 'data' : 'textContent'; - }, - - update: function update(value) { - this.el[this.attr] = _toString(value); +function resolveTransition (def$$1) { + if (!def$$1) { + return + } + /* istanbul ignore else */ + if (typeof def$$1 === 'object') { + var res = {}; + if (def$$1.css !== false) { + extend(res, autoCssTransition(def$$1.name || 'v')); } - }; - - var templateCache = new Cache(1000); - var idSelectorCache = new Cache(1000); - - var map = { - efault: [0, '', ''], - legend: [1, '

', '
'], - tr: [2, '', '
'], - col: [2, '', '
'] - }; - - map.td = map.th = [3, '', '
']; - - map.option = map.optgroup = [1, '']; - - map.thead = map.tbody = map.colgroup = map.caption = map.tfoot = [1, '', '
']; - - map.g = map.defs = map.symbol = map.use = map.image = map.text = map.circle = map.ellipse = map.line = map.path = map.polygon = map.polyline = map.rect = [1, '', '']; - - /** - * Check if a node is a supported template node with a - * DocumentFragment content. - * - * @param {Node} node - * @return {Boolean} - */ - - function isRealTemplate(node) { - return isTemplate(node) && isFragment(node.content); + extend(res, def$$1); + return res + } else if (typeof def$$1 === 'string') { + return autoCssTransition(def$$1) } +} - var tagRE$1 = /<([\w:-]+)/; - var entityRE = /&#?\w+?;/; - var commentRE = /'); + + if (commentEnd >= 0) { + advance(commentEnd + 3); + continue } - // update data for track-by, object repeat & - // primitive values. - if (trackByKey || convertedFromObject || primitive) { - withoutConversion(function () { - frag.scope[alias] = value; - }); + } + + // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment + if (/^'); + + if (conditionalEnd >= 0) { + advance(conditionalEnd + 2); + continue } - } else { - // new isntance - frag = this.create(value, alias, i, key); - frag.fresh = !init; } - frags[i] = frag; - if (init) { - frag.before(end); + + // Doctype: + var doctypeMatch = html.match(doctype); + if (doctypeMatch) { + advance(doctypeMatch[0].length); + continue } - } - // we're done for the initial render. - if (init) { - return; - } - - // Second pass, go through the old fragments and - // destroy those who are not reused (and remove them - // from cache) - var removalIndex = 0; - var totalRemoved = oldFrags.length - frags.length; - // when removing a large number of fragments, watcher removal - // turns out to be a perf bottleneck, so we batch the watcher - // removals into a single filter call! - this.vm._vForRemoving = true; - for (i = 0, l = oldFrags.length; i < l; i++) { - frag = oldFrags[i]; - if (!frag.reused) { - this.deleteCachedFrag(frag); - this.remove(frag, removalIndex++, totalRemoved, inDocument); + // End tag: + var endTagMatch = html.match(endTag); + if (endTagMatch) { + var curIndex = index; + advance(endTagMatch[0].length); + parseEndTag(endTagMatch[0], endTagMatch[1], curIndex, index); + continue } - } - this.vm._vForRemoving = false; - if (removalIndex) { - this.vm._watchers = this.vm._watchers.filter(function (w) { - return w.active; - }); - } - - // Final pass, move/insert new fragments into the - // right place. - var targetPrev, prevEl, currentPrev; - var insertionIndex = 0; - for (i = 0, l = frags.length; i < l; i++) { - frag = frags[i]; - // this is the frag that we should be after - targetPrev = frags[i - 1]; - prevEl = targetPrev ? targetPrev.staggerCb ? targetPrev.staggerAnchor : targetPrev.end || targetPrev.node : start; - if (frag.reused && !frag.staggerCb) { - currentPrev = findPrevFrag(frag, start, this.id); - if (currentPrev !== targetPrev && (!currentPrev || - // optimization for moving a single item. - // thanks to suggestions by @livoras in #1807 - findPrevFrag(currentPrev, start, this.id) !== targetPrev)) { - this.move(frag, prevEl); - } - } else { - // new instance, or still in stagger. - // insert with updated stagger index. - this.insert(frag, insertionIndex++, prevEl, inDocument); - } - frag.reused = frag.fresh = false; - } - }, - - /** - * Create a new fragment instance. - * - * @param {*} value - * @param {String} alias - * @param {Number} index - * @param {String} [key] - * @return {Fragment} - */ - - create: function create(value, alias, index, key) { - var host = this._host; - // create iteration scope - var parentScope = this._scope || this.vm; - var scope = Object.create(parentScope); - // ref holder for the scope - scope.$refs = Object.create(parentScope.$refs); - scope.$els = Object.create(parentScope.$els); - // make sure point $parent to parent scope - scope.$parent = parentScope; - // for two-way binding on alias - scope.$forContext = this; - // define scope properties - // important: define the scope alias without forced conversion - // so that frozen data structures remain non-reactive. - withoutConversion(function () { - defineReactive(scope, alias, value); - }); - defineReactive(scope, '$index', index); - if (key) { - defineReactive(scope, '$key', key); - } else if (scope.$key) { - // avoid accidental fallback - def(scope, '$key', null); - } - if (this.iterator) { - defineReactive(scope, this.iterator, key !== null ? key : index); - } - var frag = this.factory.create(host, scope, this._frag); - frag.forId = this.id; - this.cacheFrag(value, frag, index, key); - return frag; - }, - - /** - * Update the v-ref on owner vm. - */ - - updateRef: function updateRef() { - var ref = this.descriptor.ref; - if (!ref) return; - var hash = (this._scope || this.vm).$refs; - var refs; - if (!this.fromObject) { - refs = this.frags.map(findVmFromFrag); - } else { - refs = {}; - this.frags.forEach(function (frag) { - refs[frag.scope.$key] = findVmFromFrag(frag); - }); - } - hash[ref] = refs; - }, - - /** - * For option lists, update the containing v-model on - * parent - *