From bdd382118d97e82fc184fa8ed87d86cdaebe4d2a Mon Sep 17 00:00:00 2001 From: txy <421111298@qq.com> Date: Tue, 9 Jul 2019 14:04:03 +0800 Subject: [PATCH] '移除vue; --- showPhotos/js/vue.js | 11944 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1 file changed, 11944 deletions(-) delete mode 100644 showPhotos/js/vue.js diff --git a/showPhotos/js/vue.js b/showPhotos/js/vue.js deleted file mode 100644 index e8bda3b..0000000 --- a/showPhotos/js/vue.js +++ /dev/null @@ -1,11944 +0,0 @@ -/*! - * Vue.js v2.6.10 - * (c) 2014-2019 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 = global || self, global.Vue = factory()); - }(this, function () { 'use strict'; - - /* */ - - var emptyObject = Object.freeze({}); - - // These helpers produce better VM code in JS engines due to their - // explicitness and function inlining. - function isUndef (v) { - return v === undefined || v === null - } - - function isDef (v) { - return v !== undefined && v !== null - } - - function isTrue (v) { - return v === true - } - - function isFalse (v) { - return v === false - } - - /** - * Check if value is primitive. - */ - function isPrimitive (value) { - return ( - typeof value === 'string' || - typeof value === 'number' || - // $flow-disable-line - typeof value === 'symbol' || - typeof value === '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' - } - - /** - * Get the raw type string of a value, e.g., [object Object]. - */ - var _toString = Object.prototype.toString; - - function toRawType (value) { - return _toString.call(value).slice(8, -1) - } - - /** - * Strict object type check. Only returns true - * for plain JavaScript objects. - */ - function isPlainObject (obj) { - return _toString.call(obj) === '[object Object]' - } - - function isRegExp (v) { - return _toString.call(v) === '[object RegExp]' - } - - /** - * Check if val is a valid array index. - */ - function isValidArrayIndex (val) { - var n = parseFloat(String(val)); - return n >= 0 && Math.floor(n) === n && isFinite(val) - } - - function isPromise (val) { - return ( - isDef(val) && - typeof val.then === 'function' && - typeof val.catch === 'function' - ) - } - - /** - * Convert a value to a string that is actually rendered. - */ - function toString (val) { - return val == null - ? '' - : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString) - ? JSON.stringify(val, null, 2) - : String(val) - } - - /** - * Convert an input value to a number for persistence. - * If the conversion fails, return original string. - */ - function toNumber (val) { - var n = parseFloat(val); - return isNaN(n) ? val : n - } - - /** - * 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); - - /** - * Check if an attribute is a reserved attribute. - */ - var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is'); - - /** - * Remove an item from an array. - */ - function remove (arr, item) { - if (arr.length) { - var index = arr.indexOf(item); - if (index > -1) { - return arr.splice(index, 1) - } - } - } - - /** - * Check whether an object has the property. - */ - var hasOwnProperty = Object.prototype.hasOwnProperty; - 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)) - }) - } - - /** - * Camelize a hyphen-delimited string. - */ - var camelizeRE = /-(\w)/g; - var camelize = cached(function (str) { - return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }) - }); - - /** - * Capitalize a string. - */ - var capitalize = cached(function (str) { - return str.charAt(0).toUpperCase() + str.slice(1) - }); - - /** - * Hyphenate a camelCase string. - */ - var hyphenateRE = /\B([A-Z])/g; - var hyphenate = cached(function (str) { - return str.replace(hyphenateRE, '-$1').toLowerCase() - }); - - /** - * Simple bind polyfill for environments that do not support it, - * e.g., PhantomJS 1.x. Technically, we don't need this anymore - * since native bind is now performant enough in most browsers. - * But removing it would mean breaking code that was able to run in - * PhantomJS 1.x, so this must be kept for backward compatibility. - */ - - /* istanbul ignore next */ - function polyfillBind (fn, ctx) { - function boundFn (a) { - var l = arguments.length; - return l - ? l > 1 - ? fn.apply(ctx, arguments) - : fn.call(ctx, a) - : fn.call(ctx) - } - - boundFn._length = fn.length; - return boundFn - } - - function nativeBind (fn, ctx) { - return fn.bind(ctx) - } - - var bind = Function.prototype.bind - ? nativeBind - : polyfillBind; - - /** - * 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 - } - - /** - * 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 - } - - /* eslint-disable no-unused-vars */ - - /** - * Perform no operation. - * Stubbing args to make Flow happy without leaving useless transpiled code - * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/). - */ - function noop (a, b, c) {} - - /** - * Always return false. - */ - var no = function (a, b, c) { return false; }; - - /* eslint-enable no-unused-vars */ - - /** - * Return the same value. - */ - var identity = function (_) { return _; }; - - /** - * Generate a string containing static keys 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) { - if (a === b) { return true } - var isObjectA = isObject(a); - var isObjectB = isObject(b); - if (isObjectA && isObjectB) { - try { - var isArrayA = Array.isArray(a); - var isArrayB = Array.isArray(b); - if (isArrayA && isArrayB) { - return a.length === b.length && a.every(function (e, i) { - return looseEqual(e, b[i]) - }) - } else if (a instanceof Date && b instanceof Date) { - return a.getTime() === b.getTime() - } else if (!isArrayA && !isArrayB) { - var keysA = Object.keys(a); - var keysB = Object.keys(b); - return keysA.length === keysB.length && keysA.every(function (key) { - return looseEqual(a[key], b[key]) - }) - } else { - /* istanbul ignore next */ - return false - } - } catch (e) { - /* istanbul ignore next */ - return false - } - } else if (!isObjectA && !isObjectB) { - return String(a) === String(b) - } else { - return false - } - } - - /** - * Return the first index at which a loosely equal value can be - * found in the array (if value is a plain object, the array must - * contain an object of the same shape), or -1 if it is not present. - */ - function looseIndexOf (arr, val) { - for (var i = 0; i < arr.length; i++) { - if (looseEqual(arr[i], val)) { return i } - } - return -1 - } - - /** - * Ensure a function is called only once. - */ - function once (fn) { - var called = false; - return function () { - if (!called) { - called = true; - fn.apply(this, arguments); - } - } - } - - var SSR_ATTR = 'data-server-rendered'; - - var ASSET_TYPES = [ - 'component', - 'directive', - 'filter' - ]; - - var LIFECYCLE_HOOKS = [ - 'beforeCreate', - 'created', - 'beforeMount', - 'mounted', - 'beforeUpdate', - 'updated', - 'beforeDestroy', - 'destroyed', - 'activated', - 'deactivated', - 'errorCaptured', - 'serverPrefetch' - ]; - - /* */ - - - - var config = ({ - /** - * Option merge strategies (used in core/util/options) - */ - // $flow-disable-line - optionMergeStrategies: Object.create(null), - - /** - * Whether to suppress warnings. - */ - silent: false, - - /** - * Show production mode tip message on boot? - */ - productionTip: "development" !== 'production', - - /** - * Whether to enable devtools - */ - devtools: "development" !== 'production', - - /** - * Whether to record perf - */ - performance: false, - - /** - * Error handler for watcher errors - */ - errorHandler: null, - - /** - * Warn handler for watcher warns - */ - warnHandler: null, - - /** - * Ignore certain custom elements - */ - ignoredElements: [], - - /** - * Custom user key aliases for v-on - */ - // $flow-disable-line - keyCodes: Object.create(null), - - /** - * Check if a tag is reserved so that it cannot be registered as a - * component. This is platform-dependent and may be overwritten. - */ - isReservedTag: no, - - /** - * Check if an attribute is reserved so that it cannot be used as a component - * prop. This is platform-dependent and may be overwritten. - */ - isReservedAttr: no, - - /** - * Check if a tag is an unknown element. - * Platform-dependent. - */ - isUnknownElement: no, - - /** - * Get the namespace of an element - */ - getTagNamespace: noop, - - /** - * Parse the real tag name for the specific platform. - */ - parsePlatformTagName: identity, - - /** - * Check if an attribute must be bound using property, e.g. value - * Platform-dependent. - */ - mustUseProp: no, - - /** - * Perform updates asynchronously. Intended to be used by Vue Test Utils - * This will significantly reduce performance if set to false. - */ - async: true, - - /** - * Exposed for legacy reasons - */ - _lifecycleHooks: LIFECYCLE_HOOKS - }); - - /* */ - - /** - * unicode letters used for parsing html tags, component names and property paths. - * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname - * skipping \u10000-\uEFFFF due to it freezing up PhantomJS - */ - var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/; - - /** - * 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 - }); - } - - /** - * Parse simple path. - */ - var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]")); - function parsePath (path) { - if (bailRE.test(path)) { - return - } - var segments = path.split('.'); - return function (obj) { - for (var i = 0; i < segments.length; i++) { - if (!obj) { return } - obj = obj[segments[i]]; - } - return obj - } - } - - /* */ - - // can we use __proto__? - var hasProto = '__proto__' in {}; - - // Browser environment sniffing - var inBrowser = typeof window !== 'undefined'; - var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform; - var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase(); - 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) || (weexPlatform === 'android'); - var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios'); - var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge; - var isPhantomJS = UA && /phantomjs/.test(UA); - var isFF = UA && UA.match(/firefox\/(\d+)/); - - // Firefox has a "watch" function on Object.prototype... - var nativeWatch = ({}).watch; - - var supportsPassive = false; - if (inBrowser) { - try { - var opts = {}; - Object.defineProperty(opts, 'passive', ({ - get: function get () { - /* istanbul ignore next */ - supportsPassive = true; - } - })); // https://github.com/facebook/flow/issues/285 - window.addEventListener('test-passive', null, opts); - } catch (e) {} - } - - // this needs to be lazy-evaled because vue may be required before - // vue-server-renderer can set VUE_ENV - var _isServer; - var isServerRendering = function () { - if (_isServer === undefined) { - /* istanbul ignore if */ - if (!inBrowser && !inWeex && typeof global !== 'undefined') { - // detect presence of vue-server-renderer and avoid - // Webpack shimming the process - _isServer = global['process'] && global['process'].env.VUE_ENV === 'server'; - } else { - _isServer = false; - } - } - return _isServer - }; - - // detect devtools - var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; - - /* istanbul ignore next */ - function isNative (Ctor) { - return typeof Ctor === 'function' && /native code/.test(Ctor.toString()) - } - - var hasSymbol = - typeof Symbol !== 'undefined' && isNative(Symbol) && - typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys); - - var _Set; - /* istanbul ignore if */ // $flow-disable-line - if (typeof Set !== 'undefined' && isNative(Set)) { - // use native Set when available. - _Set = Set; - } else { - // a non-standard Set polyfill that only works with primitive keys. - _Set = /*@__PURE__*/(function () { - function Set () { - this.set = Object.create(null); - } - Set.prototype.has = function has (key) { - return this.set[key] === true - }; - Set.prototype.add = function add (key) { - this.set[key] = true; - }; - Set.prototype.clear = function clear () { - this.set = Object.create(null); - }; - - return Set; - }()); - } - - /* */ - - var warn = noop; - var tip = noop; - var generateComponentTrace = (noop); // work around flow check - var formatComponentName = (noop); - - { - var hasConsole = typeof console !== 'undefined'; - var classifyRE = /(?:^|[-_])(\w)/g; - var classify = function (str) { return str - .replace(classifyRE, function (c) { return c.toUpperCase(); }) - .replace(/[-_]/g, ''); }; - - warn = function (msg, vm) { - var trace = vm ? generateComponentTrace(vm) : ''; - - if (config.warnHandler) { - config.warnHandler.call(null, msg, vm, trace); - } else if (hasConsole && (!config.silent)) { - console.error(("[Vue warn]: " + msg + trace)); - } - }; - - tip = function (msg, vm) { - if (hasConsole && (!config.silent)) { - console.warn("[Vue tip]: " + msg + ( - vm ? generateComponentTrace(vm) : '' - )); - } - }; - - formatComponentName = function (vm, includeFile) { - if (vm.$root === vm) { - return '<Root>' - } - var options = typeof vm === 'function' && vm.cid != null - ? vm.options - : vm._isVue - ? vm.$options || vm.constructor.options - : vm; - var name = options.name || options._componentTag; - var file = options.__file; - if (!name && file) { - var match = file.match(/([^/\\]+)\.vue$/); - name = match && match[1]; - } - - return ( - (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") + - (file && includeFile !== false ? (" at " + file) : '') - ) - }; - - var repeat = function (str, n) { - var res = ''; - while (n) { - if (n % 2 === 1) { res += str; } - if (n > 1) { str += str; } - n >>= 1; - } - return res - }; - - generateComponentTrace = function (vm) { - if (vm._isVue && vm.$parent) { - var tree = []; - var currentRecursiveSequence = 0; - while (vm) { - if (tree.length > 0) { - var last = tree[tree.length - 1]; - if (last.constructor === vm.constructor) { - currentRecursiveSequence++; - vm = vm.$parent; - continue - } else if (currentRecursiveSequence > 0) { - tree[tree.length - 1] = [last, currentRecursiveSequence]; - currentRecursiveSequence = 0; - } - } - tree.push(vm); - vm = vm.$parent; - } - return '\n\nfound in\n\n' + tree - .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm) - ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)") - : formatComponentName(vm))); }) - .join('\n') - } else { - return ("\n\n(found in " + (formatComponentName(vm)) + ")") - } - }; - } - - /* */ - - var uid = 0; - - /** - * A dep is an observable that can have multiple - * directives subscribing to it. - */ - var Dep = function Dep () { - this.id = uid++; - this.subs = []; - }; - - Dep.prototype.addSub = function addSub (sub) { - this.subs.push(sub); - }; - - Dep.prototype.removeSub = function removeSub (sub) { - remove(this.subs, sub); - }; - - Dep.prototype.depend = function depend () { - if (Dep.target) { - Dep.target.addDep(this); - } - }; - - Dep.prototype.notify = function notify () { - // stabilize the subscriber list first - var subs = this.subs.slice(); - if (!config.async) { - // subs aren't sorted in scheduler if not running async - // we need to sort them now to make sure they fire in correct - // order - subs.sort(function (a, b) { return a.id - b.id; }); - } - for (var i = 0, l = subs.length; i < l; i++) { - subs[i].update(); - } - }; - - // The current target watcher being evaluated. - // This is globally unique because only one watcher - // can be evaluated at a time. - Dep.target = null; - var targetStack = []; - - function pushTarget (target) { - targetStack.push(target); - Dep.target = target; - } - - function popTarget () { - targetStack.pop(); - Dep.target = targetStack[targetStack.length - 1]; - } - - /* */ - - var VNode = function VNode ( - tag, - data, - children, - text, - elm, - context, - componentOptions, - asyncFactory - ) { - this.tag = tag; - this.data = data; - this.children = children; - this.text = text; - this.elm = elm; - this.ns = undefined; - this.context = context; - this.fnContext = undefined; - this.fnOptions = undefined; - this.fnScopeId = undefined; - this.key = data && data.key; - this.componentOptions = componentOptions; - this.componentInstance = undefined; - this.parent = undefined; - this.raw = false; - this.isStatic = false; - this.isRootInsert = true; - this.isComment = false; - this.isCloned = false; - this.isOnce = false; - this.asyncFactory = asyncFactory; - this.asyncMeta = undefined; - this.isAsyncPlaceholder = false; - }; - - var prototypeAccessors = { child: { configurable: true } }; - - // DEPRECATED: alias for componentInstance for backwards compat. - /* istanbul ignore next */ - prototypeAccessors.child.get = function () { - return this.componentInstance - }; - - Object.defineProperties( VNode.prototype, prototypeAccessors ); - - var createEmptyVNode = function (text) { - if ( text === void 0 ) text = ''; - - var node = new VNode(); - node.text = text; - node.isComment = true; - return node - }; - - function createTextVNode (val) { - return new VNode(undefined, undefined, undefined, String(val)) - } - - // 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, - // #7975 - // clone children array to avoid mutating original in case of cloning - // a child. - vnode.children && vnode.children.slice(), - vnode.text, - vnode.elm, - vnode.context, - vnode.componentOptions, - vnode.asyncFactory - ); - cloned.ns = vnode.ns; - cloned.isStatic = vnode.isStatic; - cloned.key = vnode.key; - cloned.isComment = vnode.isComment; - cloned.fnContext = vnode.fnContext; - cloned.fnOptions = vnode.fnOptions; - cloned.fnScopeId = vnode.fnScopeId; - cloned.asyncMeta = vnode.asyncMeta; - cloned.isCloned = true; - return cloned - } - - /* - * not type checking this file because flow doesn't play well with - * dynamically accessing methods on Array prototype - */ - - var arrayProto = Array.prototype; - var arrayMethods = Object.create(arrayProto); - - var methodsToPatch = [ - 'push', - 'pop', - 'shift', - 'unshift', - 'splice', - 'sort', - 'reverse' - ]; - - /** - * Intercept mutating methods and emit events - */ - methodsToPatch.forEach(function (method) { - // cache original method - var original = arrayProto[method]; - def(arrayMethods, method, function mutator () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var result = original.apply(this, args); - var ob = this.__ob__; - var inserted; - switch (method) { - case 'push': - 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 arrayKeys = Object.getOwnPropertyNames(arrayMethods); - - /** - * In some cases we may want to disable observation inside a component's - * update computation. - */ - var shouldObserve = true; - - function toggleObserving (value) { - shouldObserve = value; - } - - /** - * Observer class that is attached to each observed - * object. Once attached, the observer converts the target - * object's property keys into getter/setters that - * collect dependencies and dispatch updates. - */ - var Observer = function Observer (value) { - this.value = value; - this.dep = new Dep(); - this.vmCount = 0; - def(value, '__ob__', this); - if (Array.isArray(value)) { - if (hasProto) { - protoAugment(value, arrayMethods); - } else { - copyAugment(value, arrayMethods, arrayKeys); - } - this.observeArray(value); - } else { - this.walk(value); - } - }; - - /** - * Walk through all properties 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$$1(obj, keys[i]); - } - }; - - /** - * Observe a list of Array items. - */ - Observer.prototype.observeArray = function observeArray (items) { - for (var i = 0, l = items.length; i < l; i++) { - observe(items[i]); - } - }; - - // helpers - - /** - * Augment a target Object or Array by intercepting - * the prototype chain using __proto__ - */ - function protoAugment (target, src) { - /* eslint-disable no-proto */ - target.__proto__ = src; - /* eslint-enable no-proto */ - } - - /** - * Augment a target Object or Array by defining - * hidden properties. - */ - /* istanbul ignore next */ - function copyAugment (target, src, keys) { - for (var i = 0, l = keys.length; i < l; i++) { - var key = keys[i]; - def(target, key, src[key]); - } - } - - /** - * Attempt to create an observer instance for a value, - * returns the new observer if successfully observed, - * or the existing observer if the value already has one. - */ - function observe (value, asRootData) { - if (!isObject(value) || value instanceof VNode) { - return - } - var ob; - if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { - ob = value.__ob__; - } else if ( - shouldObserve && - !isServerRendering() && - (Array.isArray(value) || isPlainObject(value)) && - Object.isExtensible(value) && - !value._isVue - ) { - ob = new Observer(value); - } - if (asRootData && ob) { - ob.vmCount++; - } - return ob - } - - /** - * Define a reactive property on an Object. - */ - function defineReactive$$1 ( - obj, - key, - val, - customSetter, - shallow - ) { - 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; - if ((!getter || setter) && arguments.length === 2) { - val = obj[key]; - } - - var childOb = !shallow && 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; - /* eslint-disable no-self-compare */ - if (newVal === value || (newVal !== newVal && value !== value)) { - return - } - /* eslint-enable no-self-compare */ - if (customSetter) { - customSetter(); - } - // #7981: for accessor properties without setter - if (getter && !setter) { return } - if (setter) { - setter.call(obj, newVal); - } else { - val = newVal; - } - childOb = !shallow && observe(newVal); - dep.notify(); - } - }); - } - - /** - * Set a property on an object. Adds the new property and - * triggers change notification if the property doesn't - * already exist. - */ - function set (target, key, val) { - if (isUndef(target) || isPrimitive(target) - ) { - warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target)))); - } - if (Array.isArray(target) && isValidArrayIndex(key)) { - target.length = Math.max(target.length, key); - target.splice(key, 1, val); - return val - } - if (key in target && !(key in Object.prototype)) { - target[key] = val; - return val - } - var ob = (target).__ob__; - if (target._isVue || (ob && ob.vmCount)) { - warn( - 'Avoid adding reactive properties to a Vue instance or its root $data ' + - 'at runtime - declare it upfront in the data option.' - ); - return val - } - if (!ob) { - target[key] = val; - return val - } - defineReactive$$1(ob.value, key, val); - ob.dep.notify(); - return val - } - - /** - * Delete a property and trigger change if necessary. - */ - function del (target, key) { - if (isUndef(target) || isPrimitive(target) - ) { - warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target)))); - } - if (Array.isArray(target) && isValidArrayIndex(key)) { - target.splice(key, 1); - return - } - var ob = (target).__ob__; - if (target._isVue || (ob && ob.vmCount)) { - warn( - 'Avoid deleting properties on a Vue instance or its root $data ' + - '- just set it to null.' - ); - return - } - if (!hasOwn(target, key)) { - return - } - delete target[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); - } - } - } - - /* */ - - /** - * 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; - - /** - * 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) - }; - } - - /** - * Helper that recursively merges two data objects together. - */ - function mergeData (to, from) { - if (!from) { return to } - var key, toVal, fromVal; - - var keys = hasSymbol - ? Reflect.ownKeys(from) - : Object.keys(from); - - for (var i = 0; i < keys.length; i++) { - key = keys[i]; - // in case the object is already observed... - if (key === '__ob__') { continue } - toVal = to[key]; - fromVal = from[key]; - if (!hasOwn(to, key)) { - set(to, key, fromVal); - } else if ( - toVal !== fromVal && - isPlainObject(toVal) && - isPlainObject(fromVal) - ) { - mergeData(toVal, fromVal); - } - } - return to - } - - /** - * Data - */ - function mergeDataOrFn ( - parentVal, - childVal, - vm - ) { - if (!vm) { - // in a Vue.extend merge, both should be functions - if (!childVal) { - 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( - typeof childVal === 'function' ? childVal.call(this, this) : childVal, - typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal - ) - } - } else { - return function mergedInstanceDataFn () { - // instance merge - var instanceData = typeof childVal === 'function' - ? childVal.call(vm, vm) - : childVal; - var defaultData = typeof parentVal === 'function' - ? parentVal.call(vm, vm) - : parentVal; - if (instanceData) { - return mergeData(instanceData, defaultData) - } else { - return defaultData - } - } - } - } - - strats.data = function ( - parentVal, - childVal, - vm - ) { - if (!vm) { - if (childVal && typeof childVal !== 'function') { - warn( - 'The "data" option should be a function ' + - 'that returns a per-instance value in component ' + - 'definitions.', - vm - ); - - return parentVal - } - return mergeDataOrFn(parentVal, childVal) - } - - return mergeDataOrFn(parentVal, childVal, vm) - }; - - /** - * Hooks and props are merged as arrays. - */ - function mergeHook ( - parentVal, - childVal - ) { - var res = childVal - ? parentVal - ? parentVal.concat(childVal) - : Array.isArray(childVal) - ? childVal - : [childVal] - : parentVal; - return res - ? dedupeHooks(res) - : res - } - - function dedupeHooks (hooks) { - var res = []; - for (var i = 0; i < hooks.length; i++) { - if (res.indexOf(hooks[i]) === -1) { - res.push(hooks[i]); - } - } - return res - } - - LIFECYCLE_HOOKS.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, - vm, - key - ) { - var res = Object.create(parentVal || null); - if (childVal) { - assertObjectType(key, childVal, vm); - return extend(res, childVal) - } else { - return res - } - } - - ASSET_TYPES.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, - vm, - key - ) { - // work around Firefox's Object.prototype.watch... - if (parentVal === nativeWatch) { parentVal = undefined; } - if (childVal === nativeWatch) { childVal = undefined; } - /* istanbul ignore if */ - if (!childVal) { return Object.create(parentVal || null) } - { - assertObjectType(key, childVal, vm); - } - if (!parentVal) { return childVal } - var ret = {}; - extend(ret, parentVal); - for (var key$1 in childVal) { - var parent = ret[key$1]; - var child = childVal[key$1]; - if (parent && !Array.isArray(parent)) { - parent = [parent]; - } - ret[key$1] = parent - ? parent.concat(child) - : Array.isArray(child) ? child : [child]; - } - return ret - }; - - /** - * Other object hashes. - */ - strats.props = - strats.methods = - strats.inject = - strats.computed = function ( - parentVal, - childVal, - vm, - key - ) { - if (childVal && "development" !== 'production') { - assertObjectType(key, childVal, vm); - } - if (!parentVal) { return childVal } - var ret = Object.create(null); - extend(ret, parentVal); - if (childVal) { extend(ret, childVal); } - return ret - }; - strats.provide = mergeDataOrFn; - - /** - * Default strategy. - */ - var defaultStrat = function (parentVal, childVal) { - return childVal === undefined - ? parentVal - : childVal - }; - - /** - * Validate component names - */ - function checkComponents (options) { - for (var key in options.components) { - validateComponentName(key); - } - } - - function validateComponentName (name) { - if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) { - warn( - 'Invalid component name: "' + name + '". Component names ' + - 'should conform to valid custom element name in html5 specification.' - ); - } - if (isBuiltInTag(name) || config.isReservedTag(name)) { - warn( - 'Do not use built-in or reserved HTML elements as component ' + - 'id: ' + name - ); - } - } - - /** - * Ensure all props option syntax are normalized into the - * Object-based format. - */ - function normalizeProps (options, vm) { - 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.'); - } - } - } else if (isPlainObject(props)) { - for (var key in props) { - val = props[key]; - name = camelize(key); - res[name] = isPlainObject(val) - ? val - : { type: val }; - } - } else { - warn( - "Invalid value for option \"props\": expected an Array or an Object, " + - "but got " + (toRawType(props)) + ".", - vm - ); - } - options.props = res; - } - - /** - * Normalize all injections into Object-based format - */ - function normalizeInject (options, vm) { - var inject = options.inject; - if (!inject) { return } - var normalized = options.inject = {}; - if (Array.isArray(inject)) { - for (var i = 0; i < inject.length; i++) { - normalized[inject[i]] = { from: inject[i] }; - } - } else if (isPlainObject(inject)) { - for (var key in inject) { - var val = inject[key]; - normalized[key] = isPlainObject(val) - ? extend({ from: key }, val) - : { from: val }; - } - } else { - warn( - "Invalid value for option \"inject\": expected an Array or an Object, " + - "but got " + (toRawType(inject)) + ".", - vm - ); - } - } - - /** - * Normalize raw function directives into object format. - */ - function normalizeDirectives (options) { - var dirs = options.directives; - if (dirs) { - for (var key in dirs) { - var def$$1 = dirs[key]; - if (typeof def$$1 === 'function') { - dirs[key] = { bind: def$$1, update: def$$1 }; - } - } - } - } - - function assertObjectType (name, value, vm) { - if (!isPlainObject(value)) { - warn( - "Invalid value for option \"" + name + "\": expected an Object, " + - "but got " + (toRawType(value)) + ".", - vm - ); - } - } - - /** - * Merge two option objects into a new one. - * Core utility used in both instantiation and inheritance. - */ - function mergeOptions ( - parent, - child, - vm - ) { - { - checkComponents(child); - } - - if (typeof child === 'function') { - child = child.options; - } - - normalizeProps(child, vm); - normalizeInject(child, vm); - normalizeDirectives(child); - - // Apply extends and mixins on the child options, - // but only if it is a raw options object that isn't - // the result of another mergeOptions call. - // Only merged options has the _base property. - if (!child._base) { - if (child.extends) { - parent = mergeOptions(parent, child.extends, vm); - } - if (child.mixins) { - for (var i = 0, l = child.mixins.length; i < l; i++) { - parent = mergeOptions(parent, child.mixins[i], vm); - } - } - } - - var options = {}; - var key; - for (key in parent) { - 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 - } - - /** - * 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]; - // check local registration variations first - if (hasOwn(assets, id)) { return assets[id] } - var camelizedId = camelize(id); - if (hasOwn(assets, camelizedId)) { return assets[camelizedId] } - var PascalCaseId = capitalize(camelizedId); - if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] } - // fallback to prototype chain - var res = assets[id] || assets[camelizedId] || assets[PascalCaseId]; - if (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]; - // boolean casting - var booleanIndex = getTypeIndex(Boolean, prop.type); - if (booleanIndex > -1) { - if (absent && !hasOwn(prop, 'default')) { - value = false; - } else if (value === '' || value === hyphenate(key)) { - // only cast empty string / same name to boolean if - // boolean has higher priority - var stringIndex = getTypeIndex(String, prop.type); - if (stringIndex < 0 || booleanIndex < stringIndex) { - 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 prevShouldObserve = shouldObserve; - toggleObserving(true); - observe(value); - toggleObserving(prevShouldObserve); - } - { - assertProp(prop, key, value, vm, absent); - } - return value - } - - /** - * Get the default value of a prop. - */ - function getPropDefaultValue (vm, prop, key) { - // 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)) { - warn( - 'Invalid default value for prop "' + key + '": ' + - 'Props with type Object/Array must use a factory function ' + - 'to return the default value.', - vm - ); - } - // the raw prop value was also undefined from previous render, - // return previous default value to avoid unnecessary watcher trigger - if (vm && vm.$options.propsData && - vm.$options.propsData[key] === undefined && - vm._props[key] !== undefined - ) { - return vm._props[key] - } - // call factory function for non-Function types - // a value is Function if its prototype is function even across different execution context - return typeof def === 'function' && getType(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( - getInvalidTypeMessage(name, value, expectedTypes), - vm - ); - return - } - var validator = prop.validator; - if (validator) { - if (!validator(value)) { - warn( - 'Invalid prop: custom validator check failed for prop "' + name + '".', - vm - ); - } - } - } - - var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/; - - function assertType (value, type) { - var valid; - var expectedType = getType(type); - if (simpleCheckRE.test(expectedType)) { - var t = typeof value; - valid = t === expectedType.toLowerCase(); - // for primitive wrapper objects - if (!valid && t === 'object') { - valid = value instanceof type; - } - } else if (expectedType === 'Object') { - valid = isPlainObject(value); - } else if (expectedType === 'Array') { - valid = Array.isArray(value); - } else { - valid = value instanceof type; - } - return { - valid: valid, - expectedType: expectedType - } - } - - /** - * 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] : '' - } - - function isSameType (a, b) { - return getType(a) === getType(b) - } - - function getTypeIndex (type, expectedTypes) { - if (!Array.isArray(expectedTypes)) { - return isSameType(expectedTypes, type) ? 0 : -1 - } - for (var i = 0, len = expectedTypes.length; i < len; i++) { - if (isSameType(expectedTypes[i], type)) { - return i - } - } - return -1 - } - - function getInvalidTypeMessage (name, value, expectedTypes) { - var message = "Invalid prop: type check failed for prop \"" + name + "\"." + - " Expected " + (expectedTypes.map(capitalize).join(', ')); - var expectedType = expectedTypes[0]; - var receivedType = toRawType(value); - var expectedValue = styleValue(value, expectedType); - var receivedValue = styleValue(value, receivedType); - // check if we need to specify expected value - if (expectedTypes.length === 1 && - isExplicable(expectedType) && - !isBoolean(expectedType, receivedType)) { - message += " with value " + expectedValue; - } - message += ", got " + receivedType + " "; - // check if we need to specify received value - if (isExplicable(receivedType)) { - message += "with value " + receivedValue + "."; - } - return message - } - - function styleValue (value, type) { - if (type === 'String') { - return ("\"" + value + "\"") - } else if (type === 'Number') { - return ("" + (Number(value))) - } else { - return ("" + value) - } - } - - function isExplicable (value) { - var explicitTypes = ['string', 'number', 'boolean']; - return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; }) - } - - function isBoolean () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; }) - } - - /* */ - - function handleError (err, vm, info) { - // Deactivate deps tracking while processing error handler to avoid possible infinite rendering. - // See: https://github.com/vuejs/vuex/issues/1505 - pushTarget(); - try { - if (vm) { - var cur = vm; - while ((cur = cur.$parent)) { - var hooks = cur.$options.errorCaptured; - if (hooks) { - for (var i = 0; i < hooks.length; i++) { - try { - var capture = hooks[i].call(cur, err, vm, info) === false; - if (capture) { return } - } catch (e) { - globalHandleError(e, cur, 'errorCaptured hook'); - } - } - } - } - } - globalHandleError(err, vm, info); - } finally { - popTarget(); - } - } - - function invokeWithErrorHandling ( - handler, - context, - args, - vm, - info - ) { - var res; - try { - res = args ? handler.apply(context, args) : handler.call(context); - if (res && !res._isVue && isPromise(res) && !res._handled) { - res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); }); - // issue #9511 - // avoid catch triggering multiple times when nested calls - res._handled = true; - } - } catch (e) { - handleError(e, vm, info); - } - return res - } - - function globalHandleError (err, vm, info) { - if (config.errorHandler) { - try { - return config.errorHandler.call(null, err, vm, info) - } catch (e) { - // if the user intentionally throws the original error in the handler, - // do not log it twice - if (e !== err) { - logError(e, null, 'config.errorHandler'); - } - } - } - logError(err, vm, info); - } - - function logError (err, vm, info) { - { - warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm); - } - /* istanbul ignore else */ - if ((inBrowser || inWeex) && typeof console !== 'undefined') { - console.error(err); - } else { - throw err - } - } - - /* */ - - var isUsingMicroTask = false; - - var callbacks = []; - var pending = false; - - function flushCallbacks () { - pending = false; - var copies = callbacks.slice(0); - callbacks.length = 0; - for (var i = 0; i < copies.length; i++) { - copies[i](); - } - } - - // Here we have async deferring wrappers using microtasks. - // In 2.5 we used (macro) tasks (in combination with microtasks). - // However, it has subtle problems when state is changed right before repaint - // (e.g. #6813, out-in transitions). - // Also, using (macro) tasks in event handler would cause some weird behaviors - // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109). - // So we now use microtasks everywhere, again. - // A major drawback of this tradeoff is that there are some scenarios - // where microtasks have too high a priority and fire in between supposedly - // sequential events (e.g. #4521, #6690, which have workarounds) - // or even between bubbling of the same event (#6566). - var timerFunc; - - // 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 next, $flow-disable-line */ - if (typeof Promise !== 'undefined' && isNative(Promise)) { - var p = Promise.resolve(); - timerFunc = function () { - p.then(flushCallbacks); - // 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); } - }; - isUsingMicroTask = true; - } else if (!isIE && 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, iOS7, Android 4.4 - // (#6466 MutationObserver is unreliable in IE11) - var counter = 1; - var observer = new MutationObserver(flushCallbacks); - var textNode = document.createTextNode(String(counter)); - observer.observe(textNode, { - characterData: true - }); - timerFunc = function () { - counter = (counter + 1) % 2; - textNode.data = String(counter); - }; - isUsingMicroTask = true; - } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) { - // Fallback to setImmediate. - // Techinically it leverages the (macro) task queue, - // but it is still a better choice than setTimeout. - timerFunc = function () { - setImmediate(flushCallbacks); - }; - } else { - // Fallback to setTimeout. - timerFunc = function () { - setTimeout(flushCallbacks, 0); - }; - } - - function nextTick (cb, ctx) { - var _resolve; - callbacks.push(function () { - if (cb) { - try { - cb.call(ctx); - } catch (e) { - handleError(e, ctx, 'nextTick'); - } - } else if (_resolve) { - _resolve(ctx); - } - }); - if (!pending) { - pending = true; - timerFunc(); - } - // $flow-disable-line - if (!cb && typeof Promise !== 'undefined') { - return new Promise(function (resolve) { - _resolve = resolve; - }) - } - } - - /* */ - - var mark; - var measure; - - { - var perf = inBrowser && window.performance; - /* istanbul ignore if */ - if ( - perf && - perf.mark && - perf.measure && - perf.clearMarks && - perf.clearMeasures - ) { - mark = function (tag) { return perf.mark(tag); }; - measure = function (name, startTag, endTag) { - perf.measure(name, startTag, endTag); - perf.clearMarks(startTag); - perf.clearMarks(endTag); - // perf.clearMeasures(name) - }; - } - } - - /* not type checking this file because flow doesn't play well with Proxy */ - - 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 - ); - - var warnNonPresent = function (target, key) { - warn( - "Property or method \"" + key + "\" is not defined on the instance but " + - 'referenced during render. Make sure that this property is reactive, ' + - 'either in the data option, or for class-based components, by ' + - 'initializing the property. ' + - 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', - target - ); - }; - - var warnReservedPrefix = function (target, key) { - warn( - "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " + - 'properties starting with "$" or "_" are not proxied in the Vue instance to ' + - 'prevent conflicts with Vue internals' + - 'See: https://vuejs.org/v2/api/#data', - target - ); - }; - - var hasProxy = - typeof Proxy !== 'undefined' && isNative(Proxy); - - if (hasProxy) { - var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact'); - config.keyCodes = new Proxy(config.keyCodes, { - set: function set (target, key, value) { - if (isBuiltInModifier(key)) { - warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key)); - return false - } else { - target[key] = value; - return true - } - } - }); - } - - var hasHandler = { - has: function has (target, key) { - var has = key in target; - var isAllowed = allowedGlobals(key) || - (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data)); - if (!has && !isAllowed) { - if (key in target.$data) { warnReservedPrefix(target, key); } - else { warnNonPresent(target, key); } - } - return has || !isAllowed - } - }; - - var getHandler = { - get: function get (target, key) { - if (typeof key === 'string' && !(key in target)) { - if (key in target.$data) { warnReservedPrefix(target, key); } - else { warnNonPresent(target, key); } - } - return target[key] - } - }; - - initProxy = function initProxy (vm) { - if (hasProxy) { - // determine which proxy handler to use - var options = vm.$options; - var handlers = options.render && options.render._withStripped - ? getHandler - : hasHandler; - vm._renderProxy = new Proxy(vm, handlers); - } else { - vm._renderProxy = vm; - } - }; - } - - /* */ - - var seenObjects = new _Set(); - - /** - * Recursively traverse an object to evoke all converted - * getters, so that every nested property inside the object - * is collected as a "deep" dependency. - */ - function traverse (val) { - _traverse(val, seenObjects); - seenObjects.clear(); - } - - function _traverse (val, seen) { - var i, keys; - var isA = Array.isArray(val); - if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) { - return - } - if (val.__ob__) { - var depId = val.__ob__.dep.id; - if (seen.has(depId)) { - return - } - seen.add(depId); - } - if (isA) { - i = val.length; - while (i--) { _traverse(val[i], seen); } - } else { - keys = Object.keys(val); - i = keys.length; - while (i--) { _traverse(val[keys[i]], seen); } - } - } - - /* */ - - var normalizeEvent = cached(function (name) { - var passive = name.charAt(0) === '&'; - name = passive ? name.slice(1) : name; - var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first - name = once$$1 ? name.slice(1) : name; - var capture = name.charAt(0) === '!'; - name = capture ? name.slice(1) : name; - return { - name: name, - once: once$$1, - capture: capture, - passive: passive - } - }); - - function createFnInvoker (fns, vm) { - function invoker () { - var arguments$1 = arguments; - - var fns = invoker.fns; - if (Array.isArray(fns)) { - var cloned = fns.slice(); - for (var i = 0; i < cloned.length; i++) { - invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler"); - } - } else { - // return handler return value for single handlers - return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler") - } - } - invoker.fns = fns; - return invoker - } - - function updateListeners ( - on, - oldOn, - add, - remove$$1, - createOnceHandler, - vm - ) { - var name, def$$1, cur, old, event; - for (name in on) { - def$$1 = cur = on[name]; - old = oldOn[name]; - event = normalizeEvent(name); - if (isUndef(cur)) { - warn( - "Invalid handler for event \"" + (event.name) + "\": got " + String(cur), - vm - ); - } else if (isUndef(old)) { - if (isUndef(cur.fns)) { - cur = on[name] = createFnInvoker(cur, vm); - } - if (isTrue(event.once)) { - cur = on[name] = createOnceHandler(event.name, cur, event.capture); - } - add(event.name, cur, event.capture, event.passive, event.params); - } else if (cur !== old) { - old.fns = cur; - on[name] = old; - } - } - for (name in oldOn) { - if (isUndef(on[name])) { - event = normalizeEvent(name); - remove$$1(event.name, oldOn[name], event.capture); - } - } - } - - /* */ - - function mergeVNodeHook (def, hookKey, hook) { - if (def instanceof VNode) { - def = def.data.hook || (def.data.hook = {}); - } - var invoker; - var oldHook = def[hookKey]; - - function wrappedHook () { - hook.apply(this, arguments); - // important: remove merged hook to ensure it's called only once - // and prevent memory leak - remove(invoker.fns, wrappedHook); - } - - if (isUndef(oldHook)) { - // no existing hook - invoker = createFnInvoker([wrappedHook]); - } else { - /* istanbul ignore if */ - if (isDef(oldHook.fns) && isTrue(oldHook.merged)) { - // already a merged invoker - invoker = oldHook; - invoker.fns.push(wrappedHook); - } else { - // existing plain hook - invoker = createFnInvoker([oldHook, wrappedHook]); - } - } - - invoker.merged = true; - def[hookKey] = invoker; - } - - /* */ - - function extractPropsFromVNodeData ( - data, - Ctor, - tag - ) { - // we are only extracting raw values here. - // validation and default values are handled in the child - // component itself. - var propOptions = Ctor.options.props; - if (isUndef(propOptions)) { - return - } - var res = {}; - var attrs = data.attrs; - var props = data.props; - if (isDef(attrs) || isDef(props)) { - for (var key in propOptions) { - var altKey = hyphenate(key); - { - var keyInLowerCase = key.toLowerCase(); - if ( - key !== keyInLowerCase && - attrs && hasOwn(attrs, keyInLowerCase) - ) { - tip( - "Prop \"" + keyInLowerCase + "\" is passed to component " + - (formatComponentName(tag || Ctor)) + ", but the declared prop name is" + - " \"" + key + "\". " + - "Note that HTML attributes are case-insensitive and camelCased " + - "props need to use their kebab-case equivalents when using in-DOM " + - "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"." - ); - } - } - checkProp(res, props, key, altKey, true) || - checkProp(res, attrs, key, altKey, false); - } - } - return res - } - - function checkProp ( - res, - hash, - key, - altKey, - preserve - ) { - if (isDef(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 - } - - /* */ - - // The template compiler attempts to minimize the need for normalization by - // statically analyzing the template at compile time. - // - // For plain HTML markup, normalization can be completely skipped because the - // generated render function is guaranteed to return Array<VNode>. There are - // two cases where extra normalization is needed: - - // 1. When the children contains components - because a functional component - // may return an Array instead of a single root. In this case, just a simple - // normalization is needed - if any child is an Array, we flatten the whole - // thing with Array.prototype.concat. It is guaranteed to be only 1-level deep - // because functional components already normalize their own children. - function simpleNormalizeChildren (children) { - for (var i = 0; i < children.length; i++) { - if (Array.isArray(children[i])) { - return Array.prototype.concat.apply([], children) - } - } - return children - } - - // 2. When the children contains constructs that always generated nested Arrays, - // e.g. <template>, <slot>, v-for, or when the children is provided by user - // with hand-written render functions / JSX. In such cases a full normalization - // is needed to cater to all possible types of children values. - function normalizeChildren (children) { - return isPrimitive(children) - ? [createTextVNode(children)] - : Array.isArray(children) - ? normalizeArrayChildren(children) - : undefined - } - - function isTextNode (node) { - return isDef(node) && isDef(node.text) && isFalse(node.isComment) - } - - function normalizeArrayChildren (children, nestedIndex) { - var res = []; - var i, c, lastIndex, last; - for (i = 0; i < children.length; i++) { - c = children[i]; - if (isUndef(c) || typeof c === 'boolean') { continue } - lastIndex = res.length - 1; - last = res[lastIndex]; - // nested - if (Array.isArray(c)) { - if (c.length > 0) { - c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i)); - // merge adjacent text nodes - if (isTextNode(c[0]) && isTextNode(last)) { - res[lastIndex] = createTextVNode(last.text + (c[0]).text); - c.shift(); - } - res.push.apply(res, c); - } - } else if (isPrimitive(c)) { - if (isTextNode(last)) { - // merge adjacent text nodes - // this is necessary for SSR hydration because text nodes are - // essentially merged when rendered to HTML strings - res[lastIndex] = createTextVNode(last.text + c); - } else if (c !== '') { - // convert primitive to vnode - res.push(createTextVNode(c)); - } - } else { - if (isTextNode(c) && isTextNode(last)) { - // merge adjacent text nodes - res[lastIndex] = createTextVNode(last.text + c.text); - } else { - // default key for nested array children (likely generated by v-for) - if (isTrue(children._isVList) && - isDef(c.tag) && - isUndef(c.key) && - isDef(nestedIndex)) { - c.key = "__vlist" + nestedIndex + "_" + i + "__"; - } - res.push(c); - } - } - } - return res - } - - /* */ - - function initProvide (vm) { - var provide = vm.$options.provide; - if (provide) { - vm._provided = typeof provide === 'function' - ? provide.call(vm) - : provide; - } - } - - function initInjections (vm) { - var result = resolveInject(vm.$options.inject, vm); - if (result) { - toggleObserving(false); - Object.keys(result).forEach(function (key) { - /* istanbul ignore else */ - { - defineReactive$$1(vm, key, result[key], function () { - warn( - "Avoid mutating an injected value directly since the changes will be " + - "overwritten whenever the provided component re-renders. " + - "injection being mutated: \"" + key + "\"", - vm - ); - }); - } - }); - toggleObserving(true); - } - } - - function resolveInject (inject, vm) { - if (inject) { - // inject is :any because flow is not smart enough to figure out cached - var result = Object.create(null); - var keys = hasSymbol - ? Reflect.ownKeys(inject) - : Object.keys(inject); - - for (var i = 0; i < keys.length; i++) { - var key = keys[i]; - // #6574 in case the inject object is observed... - if (key === '__ob__') { continue } - var provideKey = inject[key].from; - var source = vm; - while (source) { - if (source._provided && hasOwn(source._provided, provideKey)) { - result[key] = source._provided[provideKey]; - break - } - source = source.$parent; - } - if (!source) { - if ('default' in inject[key]) { - var provideDefault = inject[key].default; - result[key] = typeof provideDefault === 'function' - ? provideDefault.call(vm) - : provideDefault; - } else { - warn(("Injection \"" + key + "\" not found"), vm); - } - } - } - return result - } - } - - /* */ - - - - /** - * Runtime helper for resolving raw children VNodes into a slot object. - */ - function resolveSlots ( - children, - context - ) { - if (!children || !children.length) { - return {} - } - var slots = {}; - for (var i = 0, l = children.length; i < l; i++) { - var child = children[i]; - var data = child.data; - // remove slot attribute if the node is resolved as a Vue slot node - if (data && data.attrs && data.attrs.slot) { - delete data.attrs.slot; - } - // named slots should only be respected if the vnode was rendered in the - // same context. - if ((child.context === context || child.fnContext === context) && - data && data.slot != null - ) { - var name = data.slot; - var slot = (slots[name] || (slots[name] = [])); - if (child.tag === 'template') { - slot.push.apply(slot, child.children || []); - } else { - slot.push(child); - } - } else { - (slots.default || (slots.default = [])).push(child); - } - } - // ignore slots that contains only whitespace - for (var name$1 in slots) { - if (slots[name$1].every(isWhitespace)) { - delete slots[name$1]; - } - } - return slots - } - - function isWhitespace (node) { - return (node.isComment && !node.asyncFactory) || node.text === ' ' - } - - /* */ - - function normalizeScopedSlots ( - slots, - normalSlots, - prevSlots - ) { - var res; - var hasNormalSlots = Object.keys(normalSlots).length > 0; - var isStable = slots ? !!slots.$stable : !hasNormalSlots; - var key = slots && slots.$key; - if (!slots) { - res = {}; - } else if (slots._normalized) { - // fast path 1: child component re-render only, parent did not change - return slots._normalized - } else if ( - isStable && - prevSlots && - prevSlots !== emptyObject && - key === prevSlots.$key && - !hasNormalSlots && - !prevSlots.$hasNormal - ) { - // fast path 2: stable scoped slots w/ no normal slots to proxy, - // only need to normalize once - return prevSlots - } else { - res = {}; - for (var key$1 in slots) { - if (slots[key$1] && key$1[0] !== '$') { - res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]); - } - } - } - // expose normal slots on scopedSlots - for (var key$2 in normalSlots) { - if (!(key$2 in res)) { - res[key$2] = proxyNormalSlot(normalSlots, key$2); - } - } - // avoriaz seems to mock a non-extensible $scopedSlots object - // and when that is passed down this would cause an error - if (slots && Object.isExtensible(slots)) { - (slots)._normalized = res; - } - def(res, '$stable', isStable); - def(res, '$key', key); - def(res, '$hasNormal', hasNormalSlots); - return res - } - - function normalizeScopedSlot(normalSlots, key, fn) { - var normalized = function () { - var res = arguments.length ? fn.apply(null, arguments) : fn({}); - res = res && typeof res === 'object' && !Array.isArray(res) - ? [res] // single vnode - : normalizeChildren(res); - return res && ( - res.length === 0 || - (res.length === 1 && res[0].isComment) // #9658 - ) ? undefined - : res - }; - // this is a slot using the new v-slot syntax without scope. although it is - // compiled as a scoped slot, render fn users would expect it to be present - // on this.$slots because the usage is semantically a normal slot. - if (fn.proxy) { - Object.defineProperty(normalSlots, key, { - get: normalized, - enumerable: true, - configurable: true - }); - } - return normalized - } - - function proxyNormalSlot(slots, key) { - return function () { return slots[key]; } - } - - /* */ - - /** - * Runtime helper for rendering v-for lists. - */ - function renderList ( - val, - render - ) { - var ret, i, l, keys, key; - if (Array.isArray(val) || typeof val === 'string') { - 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)) { - if (hasSymbol && val[Symbol.iterator]) { - ret = []; - var iterator = val[Symbol.iterator](); - var result = iterator.next(); - while (!result.done) { - ret.push(render(result.value, ret.length)); - result = iterator.next(); - } - } else { - 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); - } - } - } - if (!isDef(ret)) { - ret = []; - } - (ret)._isVList = true; - return ret - } - - /* */ - - /** - * Runtime helper for rendering <slot> - */ - function renderSlot ( - name, - fallback, - props, - bindObject - ) { - var scopedSlotFn = this.$scopedSlots[name]; - var nodes; - if (scopedSlotFn) { // scoped slot - props = props || {}; - if (bindObject) { - if (!isObject(bindObject)) { - warn( - 'slot v-bind without argument expects an Object', - this - ); - } - props = extend(extend({}, bindObject), props); - } - nodes = scopedSlotFn(props) || fallback; - } else { - nodes = this.$slots[name] || fallback; - } - - var target = props && props.slot; - if (target) { - return this.$createElement('template', { slot: target }, nodes) - } else { - return nodes - } - } - - /* */ - - /** - * Runtime helper for resolving filters - */ - function resolveFilter (id) { - return resolveAsset(this.$options, 'filters', id, true) || identity - } - - /* */ - - function isKeyNotMatch (expect, actual) { - if (Array.isArray(expect)) { - return expect.indexOf(actual) === -1 - } else { - return expect !== actual - } - } - - /** - * Runtime helper for checking keyCodes from config. - * exposed as Vue.prototype._k - * passing in eventKeyName as last argument separately for backwards compat - */ - function checkKeyCodes ( - eventKeyCode, - key, - builtInKeyCode, - eventKeyName, - builtInKeyName - ) { - var mappedKeyCode = config.keyCodes[key] || builtInKeyCode; - if (builtInKeyName && eventKeyName && !config.keyCodes[key]) { - return isKeyNotMatch(builtInKeyName, eventKeyName) - } else if (mappedKeyCode) { - return isKeyNotMatch(mappedKeyCode, eventKeyCode) - } else if (eventKeyName) { - return hyphenate(eventKeyName) !== key - } - } - - /* */ - - /** - * Runtime helper for merging v-bind="object" into a VNode's data. - */ - function bindObjectProps ( - data, - tag, - value, - asProp, - isSync - ) { - if (value) { - if (!isObject(value)) { - warn( - 'v-bind without argument expects an Object or Array value', - this - ); - } else { - if (Array.isArray(value)) { - value = toObject(value); - } - var hash; - var loop = function ( key ) { - if ( - key === 'class' || - key === 'style' || - isReservedAttribute(key) - ) { - hash = data; - } else { - var type = data.attrs && data.attrs.type; - hash = asProp || config.mustUseProp(tag, type, key) - ? data.domProps || (data.domProps = {}) - : data.attrs || (data.attrs = {}); - } - var camelizedKey = camelize(key); - var hyphenatedKey = hyphenate(key); - if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) { - hash[key] = value[key]; - - if (isSync) { - var on = data.on || (data.on = {}); - on[("update:" + key)] = function ($event) { - value[key] = $event; - }; - } - } - }; - - for (var key in value) loop( key ); - } - } - return data - } - - /* */ - - /** - * Runtime helper for rendering static trees. - */ - function renderStatic ( - index, - isInFor - ) { - var cached = this._staticTrees || (this._staticTrees = []); - var tree = cached[index]; - // if has already-rendered static tree and not inside v-for, - // we can reuse the same tree. - if (tree && !isInFor) { - return tree - } - // otherwise, render a fresh tree. - tree = cached[index] = this.$options.staticRenderFns[index].call( - this._renderProxy, - null, - this // for render fns generated for functional component templates - ); - markStatic(tree, ("__static__" + index), false); - return tree - } - - /** - * Runtime helper for v-once. - * Effectively it means marking the node as static with a unique key. - */ - function markOnce ( - tree, - index, - key - ) { - markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true); - return tree - } - - function markStatic ( - tree, - key, - isOnce - ) { - if (Array.isArray(tree)) { - for (var i = 0; i < tree.length; i++) { - if (tree[i] && typeof tree[i] !== 'string') { - markStaticNode(tree[i], (key + "_" + i), isOnce); - } - } - } else { - markStaticNode(tree, key, isOnce); - } - } - - function markStaticNode (node, key, isOnce) { - node.isStatic = true; - node.key = key; - node.isOnce = isOnce; - } - - /* */ - - function bindObjectListeners (data, value) { - if (value) { - if (!isPlainObject(value)) { - warn( - 'v-on without argument expects an Object value', - this - ); - } else { - var on = data.on = data.on ? extend({}, data.on) : {}; - for (var key in value) { - var existing = on[key]; - var ours = value[key]; - on[key] = existing ? [].concat(existing, ours) : ours; - } - } - } - return data - } - - /* */ - - function resolveScopedSlots ( - fns, // see flow/vnode - res, - // the following are added in 2.6 - hasDynamicKeys, - contentHashKey - ) { - res = res || { $stable: !hasDynamicKeys }; - for (var i = 0; i < fns.length; i++) { - var slot = fns[i]; - if (Array.isArray(slot)) { - resolveScopedSlots(slot, res, hasDynamicKeys); - } else if (slot) { - // marker for reverse proxying v-slot without scope on this.$slots - if (slot.proxy) { - slot.fn.proxy = true; - } - res[slot.key] = slot.fn; - } - } - if (contentHashKey) { - (res).$key = contentHashKey; - } - return res - } - - /* */ - - function bindDynamicKeys (baseObj, values) { - for (var i = 0; i < values.length; i += 2) { - var key = values[i]; - if (typeof key === 'string' && key) { - baseObj[values[i]] = values[i + 1]; - } else if (key !== '' && key !== null) { - // null is a speical value for explicitly removing a binding - warn( - ("Invalid value for dynamic directive argument (expected string or null): " + key), - this - ); - } - } - return baseObj - } - - // helper to dynamically append modifier runtime markers to event names. - // ensure only append when value is already string, otherwise it will be cast - // to string and cause the type check to miss. - function prependModifier (value, symbol) { - return typeof value === 'string' ? symbol + value : value - } - - /* */ - - function installRenderHelpers (target) { - target._o = markOnce; - target._n = toNumber; - target._s = toString; - target._l = renderList; - target._t = renderSlot; - target._q = looseEqual; - target._i = looseIndexOf; - target._m = renderStatic; - target._f = resolveFilter; - target._k = checkKeyCodes; - target._b = bindObjectProps; - target._v = createTextVNode; - target._e = createEmptyVNode; - target._u = resolveScopedSlots; - target._g = bindObjectListeners; - target._d = bindDynamicKeys; - target._p = prependModifier; - } - - /* */ - - function FunctionalRenderContext ( - data, - props, - children, - parent, - Ctor - ) { - var this$1 = this; - - var options = Ctor.options; - // ensure the createElement function in functional components - // gets a unique context - this is necessary for correct named slot check - var contextVm; - if (hasOwn(parent, '_uid')) { - contextVm = Object.create(parent); - // $flow-disable-line - contextVm._original = parent; - } else { - // the context vm passed in is a functional context as well. - // in this case we want to make sure we are able to get a hold to the - // real context instance. - contextVm = parent; - // $flow-disable-line - parent = parent._original; - } - var isCompiled = isTrue(options._compiled); - var needNormalization = !isCompiled; - - this.data = data; - this.props = props; - this.children = children; - this.parent = parent; - this.listeners = data.on || emptyObject; - this.injections = resolveInject(options.inject, parent); - this.slots = function () { - if (!this$1.$slots) { - normalizeScopedSlots( - data.scopedSlots, - this$1.$slots = resolveSlots(children, parent) - ); - } - return this$1.$slots - }; - - Object.defineProperty(this, 'scopedSlots', ({ - enumerable: true, - get: function get () { - return normalizeScopedSlots(data.scopedSlots, this.slots()) - } - })); - - // support for compiled functional template - if (isCompiled) { - // exposing $options for renderStatic() - this.$options = options; - // pre-resolve slots for renderSlot() - this.$slots = this.slots(); - this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots); - } - - if (options._scopeId) { - this._c = function (a, b, c, d) { - var vnode = createElement(contextVm, a, b, c, d, needNormalization); - if (vnode && !Array.isArray(vnode)) { - vnode.fnScopeId = options._scopeId; - vnode.fnContext = parent; - } - return vnode - }; - } else { - this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); }; - } - } - - installRenderHelpers(FunctionalRenderContext.prototype); - - function createFunctionalComponent ( - Ctor, - propsData, - data, - contextVm, - children - ) { - var options = Ctor.options; - var props = {}; - var propOptions = options.props; - if (isDef(propOptions)) { - for (var key in propOptions) { - props[key] = validateProp(key, propOptions, propsData || emptyObject); - } - } else { - if (isDef(data.attrs)) { mergeProps(props, data.attrs); } - if (isDef(data.props)) { mergeProps(props, data.props); } - } - - var renderContext = new FunctionalRenderContext( - data, - props, - children, - contextVm, - Ctor - ); - - var vnode = options.render.call(null, renderContext._c, renderContext); - - if (vnode instanceof VNode) { - return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext) - } else if (Array.isArray(vnode)) { - var vnodes = normalizeChildren(vnode) || []; - var res = new Array(vnodes.length); - for (var i = 0; i < vnodes.length; i++) { - res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext); - } - return res - } - } - - function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) { - // #7817 clone node before setting fnContext, otherwise if the node is reused - // (e.g. it was from a cached normal slot) the fnContext causes named slots - // that should not be matched to match. - var clone = cloneVNode(vnode); - clone.fnContext = contextVm; - clone.fnOptions = options; - { - (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext; - } - if (data.slot) { - (clone.data || (clone.data = {})).slot = data.slot; - } - return clone - } - - function mergeProps (to, from) { - for (var key in from) { - to[camelize(key)] = from[key]; - } - } - - /* */ - - /* */ - - /* */ - - /* */ - - // inline hooks to be invoked on component VNodes during patch - var componentVNodeHooks = { - init: function init (vnode, hydrating) { - if ( - vnode.componentInstance && - !vnode.componentInstance._isDestroyed && - vnode.data.keepAlive - ) { - // kept-alive components, treat as a patch - var mountedNode = vnode; // work around flow - componentVNodeHooks.prepatch(mountedNode, mountedNode); - } else { - var child = vnode.componentInstance = createComponentInstanceForVnode( - vnode, - activeInstance - ); - child.$mount(hydrating ? vnode.elm : undefined, hydrating); - } - }, - - prepatch: function prepatch (oldVnode, vnode) { - var options = vnode.componentOptions; - var child = vnode.componentInstance = oldVnode.componentInstance; - updateChildComponent( - child, - options.propsData, // updated props - options.listeners, // updated listeners - vnode, // new parent vnode - options.children // new children - ); - }, - - insert: function insert (vnode) { - var context = vnode.context; - var componentInstance = vnode.componentInstance; - if (!componentInstance._isMounted) { - componentInstance._isMounted = true; - callHook(componentInstance, 'mounted'); - } - if (vnode.data.keepAlive) { - if (context._isMounted) { - // vue-router#1212 - // During updates, a kept-alive component's child components may - // change, so directly walking the tree here may call activated hooks - // on incorrect children. Instead we push them into a queue which will - // be processed after the whole patch process ended. - queueActivatedComponent(componentInstance); - } else { - activateChildComponent(componentInstance, true /* direct */); - } - } - }, - - destroy: function destroy (vnode) { - var componentInstance = vnode.componentInstance; - if (!componentInstance._isDestroyed) { - if (!vnode.data.keepAlive) { - componentInstance.$destroy(); - } else { - deactivateChildComponent(componentInstance, true /* direct */); - } - } - } - }; - - var hooksToMerge = Object.keys(componentVNodeHooks); - - function createComponent ( - Ctor, - data, - context, - children, - tag - ) { - if (isUndef(Ctor)) { - return - } - - var baseCtor = context.$options._base; - - // plain options object: turn it into a constructor - if (isObject(Ctor)) { - Ctor = baseCtor.extend(Ctor); - } - - // if at this stage it's not a constructor or an async component factory, - // reject. - if (typeof Ctor !== 'function') { - { - warn(("Invalid Component definition: " + (String(Ctor))), context); - } - return - } - - // async component - var asyncFactory; - if (isUndef(Ctor.cid)) { - asyncFactory = Ctor; - Ctor = resolveAsyncComponent(asyncFactory, baseCtor); - if (Ctor === undefined) { - // return a placeholder node for async component, which is rendered - // as a comment node but preserves all the raw information for the node. - // the information will be used for async server-rendering and hydration. - return createAsyncPlaceholder( - asyncFactory, - data, - context, - children, - tag - ) - } - } - - data = data || {}; - - // resolve constructor options in case global mixins are applied after - // component constructor creation - resolveConstructorOptions(Ctor); - - // transform component v-model data into props & events - if (isDef(data.model)) { - transformModel(Ctor.options, data); - } - - // extract props - var propsData = extractPropsFromVNodeData(data, Ctor, tag); - - // functional component - if (isTrue(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 - // so it gets processed during parent component patch. - data.on = data.nativeOn; - - if (isTrue(Ctor.options.abstract)) { - // abstract components do not keep anything - // other than props & listeners & slot - - // work around flow - var slot = data.slot; - data = {}; - if (slot) { - data.slot = slot; - } - } - - // install component management hooks onto the placeholder node - installComponentHooks(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, context, - { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children }, - asyncFactory - ); - - return vnode - } - - function createComponentInstanceForVnode ( - vnode, // we know it's MountedComponentVNode but flow doesn't - parent // activeInstance in lifecycle state - ) { - var options = { - _isComponent: true, - _parentVnode: vnode, - parent: parent - }; - // check inline-template render functions - var inlineTemplate = vnode.data.inlineTemplate; - if (isDef(inlineTemplate)) { - options.render = inlineTemplate.render; - options.staticRenderFns = inlineTemplate.staticRenderFns; - } - return new vnode.componentOptions.Ctor(options) - } - - function installComponentHooks (data) { - var hooks = data.hook || (data.hook = {}); - for (var i = 0; i < hooksToMerge.length; i++) { - var key = hooksToMerge[i]; - var existing = hooks[key]; - var toMerge = componentVNodeHooks[key]; - if (existing !== toMerge && !(existing && existing._merged)) { - hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge; - } - } - } - - function mergeHook$1 (f1, f2) { - var merged = function (a, b) { - // flow complains about extra args which is why we use any - f1(a, b); - f2(a, b); - }; - merged._merged = true; - return merged - } - - // transform component v-model info (value and callback) into - // prop and event handler respectively. - function transformModel (options, data) { - var prop = (options.model && options.model.prop) || 'value'; - var event = (options.model && options.model.event) || 'input' - ;(data.attrs || (data.attrs = {}))[prop] = data.model.value; - var on = data.on || (data.on = {}); - var existing = on[event]; - var callback = data.model.callback; - if (isDef(existing)) { - if ( - Array.isArray(existing) - ? existing.indexOf(callback) === -1 - : existing !== callback - ) { - on[event] = [callback].concat(existing); - } - } else { - on[event] = callback; - } - } - - /* */ - - var SIMPLE_NORMALIZE = 1; - var ALWAYS_NORMALIZE = 2; - - // wrapper function for providing a more flexible interface - // without getting yelled at by flow - function createElement ( - context, - tag, - data, - children, - normalizationType, - alwaysNormalize - ) { - if (Array.isArray(data) || isPrimitive(data)) { - normalizationType = children; - children = data; - data = undefined; - } - if (isTrue(alwaysNormalize)) { - normalizationType = ALWAYS_NORMALIZE; - } - return _createElement(context, tag, data, children, normalizationType) - } - - function _createElement ( - context, - tag, - data, - children, - normalizationType - ) { - if (isDef(data) && isDef((data).__ob__)) { - warn( - "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" + - 'Always create fresh vnode data objects in each render!', - context - ); - return createEmptyVNode() - } - // object syntax in v-bind - if (isDef(data) && isDef(data.is)) { - tag = data.is; - } - if (!tag) { - // in case of component :is set to falsy value - return createEmptyVNode() - } - // warn against non-primitive key - if (isDef(data) && isDef(data.key) && !isPrimitive(data.key) - ) { - { - warn( - 'Avoid using non-primitive value as key, ' + - 'use string/number value instead.', - context - ); - } - } - // support single function children as default scoped slot - if (Array.isArray(children) && - typeof children[0] === 'function' - ) { - data = data || {}; - data.scopedSlots = { default: children[0] }; - children.length = 0; - } - if (normalizationType === ALWAYS_NORMALIZE) { - children = normalizeChildren(children); - } else if (normalizationType === SIMPLE_NORMALIZE) { - children = simpleNormalizeChildren(children); - } - var vnode, ns; - if (typeof tag === 'string') { - var Ctor; - ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag); - if (config.isReservedTag(tag)) { - // platform built-in elements - vnode = new VNode( - config.parsePlatformTagName(tag), data, children, - undefined, undefined, context - ); - } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) { - // component - vnode = createComponent(Ctor, data, context, children, tag); - } else { - // unknown or unlisted namespaced elements - // check at runtime because it may get assigned a namespace when its - // parent normalizes children - vnode = new VNode( - tag, data, children, - undefined, undefined, context - ); - } - } else { - // direct component options / constructor - vnode = createComponent(tag, data, context, children); - } - if (Array.isArray(vnode)) { - return vnode - } else if (isDef(vnode)) { - if (isDef(ns)) { applyNS(vnode, ns); } - if (isDef(data)) { registerDeepBindings(data); } - return vnode - } else { - return createEmptyVNode() - } - } - - function applyNS (vnode, ns, force) { - vnode.ns = ns; - if (vnode.tag === 'foreignObject') { - // use default namespace inside foreignObject - ns = undefined; - force = true; - } - if (isDef(vnode.children)) { - for (var i = 0, l = vnode.children.length; i < l; i++) { - var child = vnode.children[i]; - if (isDef(child.tag) && ( - isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) { - applyNS(child, ns, force); - } - } - } - } - - // ref #5318 - // necessary to ensure parent re-render when deep bindings like :style and - // :class are used on slot nodes - function registerDeepBindings (data) { - if (isObject(data.style)) { - traverse(data.style); - } - if (isObject(data.class)) { - traverse(data.class); - } - } - - /* */ - - function initRender (vm) { - vm._vnode = null; // the root of the child tree - vm._staticTrees = null; // v-once cached trees - var options = vm.$options; - var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree - var renderContext = parentVnode && parentVnode.context; - vm.$slots = resolveSlots(options._renderChildren, renderContext); - vm.$scopedSlots = emptyObject; - // bind the createElement fn to this instance - // so that we get proper render context inside it. - // args order: tag, data, children, normalizationType, alwaysNormalize - // internal version is used by render functions compiled from templates - vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); }; - // normalization is always applied for the public version, used in - // user-written render functions. - vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); }; - - // $attrs & $listeners are exposed for easier HOC creation. - // they need to be reactive so that HOCs using them are always updated - var parentData = parentVnode && parentVnode.data; - - /* istanbul ignore else */ - { - defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () { - !isUpdatingChildComponent && warn("$attrs is readonly.", vm); - }, true); - defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () { - !isUpdatingChildComponent && warn("$listeners is readonly.", vm); - }, true); - } - } - - var currentRenderingInstance = null; - - function renderMixin (Vue) { - // install runtime convenience helpers - installRenderHelpers(Vue.prototype); - - Vue.prototype.$nextTick = function (fn) { - return nextTick(fn, this) - }; - - Vue.prototype._render = function () { - var vm = this; - var ref = vm.$options; - var render = ref.render; - var _parentVnode = ref._parentVnode; - - if (_parentVnode) { - vm.$scopedSlots = normalizeScopedSlots( - _parentVnode.data.scopedSlots, - vm.$slots, - vm.$scopedSlots - ); - } - - // 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 { - // There's no need to maintain a stack becaues all render fns are called - // separately from one another. Nested component's render fns are called - // when parent component is patched. - currentRenderingInstance = vm; - vnode = render.call(vm._renderProxy, vm.$createElement); - } catch (e) { - handleError(e, vm, "render"); - // return error render result, - // or previous vnode to prevent render error causing blank component - /* istanbul ignore else */ - if (vm.$options.renderError) { - try { - vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e); - } catch (e) { - handleError(e, vm, "renderError"); - vnode = vm._vnode; - } - } else { - vnode = vm._vnode; - } - } finally { - currentRenderingInstance = null; - } - // if the returned array contains only a single node, allow it - if (Array.isArray(vnode) && vnode.length === 1) { - vnode = vnode[0]; - } - // return empty vnode in case the render function errored out - if (!(vnode instanceof VNode)) { - if (Array.isArray(vnode)) { - warn( - 'Multiple root nodes returned from render function. Render function ' + - 'should return a single root node.', - vm - ); - } - vnode = createEmptyVNode(); - } - // set parent - vnode.parent = _parentVnode; - return vnode - }; - } - - /* */ - - function ensureCtor (comp, base) { - if ( - comp.__esModule || - (hasSymbol && comp[Symbol.toStringTag] === 'Module') - ) { - comp = comp.default; - } - return isObject(comp) - ? base.extend(comp) - : comp - } - - function createAsyncPlaceholder ( - factory, - data, - context, - children, - tag - ) { - var node = createEmptyVNode(); - node.asyncFactory = factory; - node.asyncMeta = { data: data, context: context, children: children, tag: tag }; - return node - } - - function resolveAsyncComponent ( - factory, - baseCtor - ) { - if (isTrue(factory.error) && isDef(factory.errorComp)) { - return factory.errorComp - } - - if (isDef(factory.resolved)) { - return factory.resolved - } - - var owner = currentRenderingInstance; - if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) { - // already pending - factory.owners.push(owner); - } - - if (isTrue(factory.loading) && isDef(factory.loadingComp)) { - return factory.loadingComp - } - - if (owner && !isDef(factory.owners)) { - var owners = factory.owners = [owner]; - var sync = true; - var timerLoading = null; - var timerTimeout = null - - ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); }); - - var forceRender = function (renderCompleted) { - for (var i = 0, l = owners.length; i < l; i++) { - (owners[i]).$forceUpdate(); - } - - if (renderCompleted) { - owners.length = 0; - if (timerLoading !== null) { - clearTimeout(timerLoading); - timerLoading = null; - } - if (timerTimeout !== null) { - clearTimeout(timerTimeout); - timerTimeout = null; - } - } - }; - - var resolve = once(function (res) { - // cache resolved - factory.resolved = ensureCtor(res, baseCtor); - // invoke callbacks only if this is not a synchronous resolve - // (async resolves are shimmed as synchronous during SSR) - if (!sync) { - forceRender(true); - } else { - owners.length = 0; - } - }); - - var reject = once(function (reason) { - warn( - "Failed to resolve async component: " + (String(factory)) + - (reason ? ("\nReason: " + reason) : '') - ); - if (isDef(factory.errorComp)) { - factory.error = true; - forceRender(true); - } - }); - - var res = factory(resolve, reject); - - if (isObject(res)) { - if (isPromise(res)) { - // () => Promise - if (isUndef(factory.resolved)) { - res.then(resolve, reject); - } - } else if (isPromise(res.component)) { - res.component.then(resolve, reject); - - if (isDef(res.error)) { - factory.errorComp = ensureCtor(res.error, baseCtor); - } - - if (isDef(res.loading)) { - factory.loadingComp = ensureCtor(res.loading, baseCtor); - if (res.delay === 0) { - factory.loading = true; - } else { - timerLoading = setTimeout(function () { - timerLoading = null; - if (isUndef(factory.resolved) && isUndef(factory.error)) { - factory.loading = true; - forceRender(false); - } - }, res.delay || 200); - } - } - - if (isDef(res.timeout)) { - timerTimeout = setTimeout(function () { - timerTimeout = null; - if (isUndef(factory.resolved)) { - reject( - "timeout (" + (res.timeout) + "ms)" - ); - } - }, res.timeout); - } - } - } - - sync = false; - // return in case resolved synchronously - return factory.loading - ? factory.loadingComp - : factory.resolved - } - } - - /* */ - - function isAsyncPlaceholder (node) { - return node.isComment && node.asyncFactory - } - - /* */ - - function getFirstComponentChild (children) { - if (Array.isArray(children)) { - for (var i = 0; i < children.length; i++) { - var c = children[i]; - if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) { - return c - } - } - } - } - - /* */ - - /* */ - - function initEvents (vm) { - vm._events = Object.create(null); - vm._hasHookEvent = false; - // init parent attached events - var listeners = vm.$options._parentListeners; - if (listeners) { - updateComponentListeners(vm, listeners); - } - } - - var target; - - function add (event, fn) { - target.$on(event, fn); - } - - function remove$1 (event, fn) { - target.$off(event, fn); - } - - function createOnceHandler (event, fn) { - var _target = target; - return function onceHandler () { - var res = fn.apply(null, arguments); - if (res !== null) { - _target.$off(event, onceHandler); - } - } - } - - function updateComponentListeners ( - vm, - listeners, - oldListeners - ) { - target = vm; - updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm); - target = undefined; - } - - function eventsMixin (Vue) { - var hookRE = /^hook:/; - Vue.prototype.$on = function (event, fn) { - var vm = this; - if (Array.isArray(event)) { - for (var i = 0, l = event.length; i < l; i++) { - vm.$on(event[i], fn); - } - } else { - (vm._events[event] || (vm._events[event] = [])).push(fn); - // optimize hook:event cost by using a boolean flag marked at registration - // instead of a hash lookup - if (hookRE.test(event)) { - vm._hasHookEvent = true; - } - } - return vm - }; - - Vue.prototype.$once = function (event, fn) { - var vm = this; - function on () { - vm.$off(event, on); - fn.apply(vm, arguments); - } - on.fn = fn; - vm.$on(event, on); - return vm - }; - - Vue.prototype.$off = function (event, fn) { - var vm = this; - // all - if (!arguments.length) { - vm._events = Object.create(null); - return vm - } - // array of events - if (Array.isArray(event)) { - for (var i$1 = 0, l = event.length; i$1 < l; i$1++) { - vm.$off(event[i$1], fn); - } - return vm - } - // specific event - var cbs = vm._events[event]; - if (!cbs) { - return vm - } - if (!fn) { - 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 - }; - - Vue.prototype.$emit = function (event) { - var vm = this; - { - var lowerCaseEvent = event.toLowerCase(); - if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) { - tip( - "Event \"" + lowerCaseEvent + "\" is emitted in component " + - (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " + - "Note that HTML attributes are case-insensitive and you cannot use " + - "v-on to listen to camelCase events when using in-DOM templates. " + - "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"." - ); - } - } - var cbs = vm._events[event]; - if (cbs) { - cbs = cbs.length > 1 ? toArray(cbs) : cbs; - var args = toArray(arguments, 1); - var info = "event handler for \"" + event + "\""; - for (var i = 0, l = cbs.length; i < l; i++) { - invokeWithErrorHandling(cbs[i], vm, args, vm, info); - } - } - return vm - }; - } - - /* */ - - var activeInstance = null; - var isUpdatingChildComponent = false; - - function setActiveInstance(vm) { - var prevActiveInstance = activeInstance; - activeInstance = vm; - return function () { - activeInstance = prevActiveInstance; - } - } - - function initLifecycle (vm) { - var options = vm.$options; - - // locate first non-abstract parent - var parent = options.parent; - if (parent && !options.abstract) { - while (parent.$options.abstract && parent.$parent) { - parent = parent.$parent; - } - parent.$children.push(vm); - } - - vm.$parent = parent; - vm.$root = parent ? parent.$root : vm; - - vm.$children = []; - vm.$refs = {}; - - vm._watcher = null; - vm._inactive = null; - vm._directInactive = false; - vm._isMounted = false; - vm._isDestroyed = false; - vm._isBeingDestroyed = false; - } - - function lifecycleMixin (Vue) { - Vue.prototype._update = function (vnode, hydrating) { - var vm = this; - var prevEl = vm.$el; - var prevVnode = vm._vnode; - var restoreActiveInstance = setActiveInstance(vm); - vm._vnode = vnode; - // Vue.prototype.__patch__ is injected in entry points - // based on the rendering backend used. - if (!prevVnode) { - // initial render - vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */); - } else { - // updates - vm.$el = vm.__patch__(prevVnode, vnode); - } - restoreActiveInstance(); - // update __vue__ reference - if (prevEl) { - prevEl.__vue__ = null; - } - 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; - } - // updated hook is called by the scheduler to ensure that children are - // updated in a parent's updated hook. - }; - - Vue.prototype.$forceUpdate = function () { - var vm = this; - if (vm._watcher) { - vm._watcher.update(); - } - }; - - Vue.prototype.$destroy = function () { - var vm = this; - if (vm._isBeingDestroyed) { - return - } - callHook(vm, 'beforeDestroy'); - vm._isBeingDestroyed = true; - // remove self from parent - var parent = vm.$parent; - if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) { - remove(parent.$children, vm); - } - // 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; - // invoke destroy hooks on current rendered tree - vm.__patch__(vm._vnode, null); - // fire destroyed hook - callHook(vm, 'destroyed'); - // turn off all instance listeners. - vm.$off(); - // remove __vue__ reference - if (vm.$el) { - vm.$el.__vue__ = null; - } - // release circular reference (#6759) - if (vm.$vnode) { - vm.$vnode.parent = null; - } - }; - } - - function mountComponent ( - vm, - el, - hydrating - ) { - vm.$el = el; - if (!vm.$options.render) { - vm.$options.render = createEmptyVNode; - { - /* istanbul ignore if */ - if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') || - vm.$options.el || el) { - warn( - 'You are using the runtime-only build of Vue where the template ' + - 'compiler 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 - ); - } - } - } - callHook(vm, 'beforeMount'); - - var updateComponent; - /* istanbul ignore if */ - if (config.performance && mark) { - updateComponent = function () { - var name = vm._name; - var id = vm._uid; - var startTag = "vue-perf-start:" + id; - var endTag = "vue-perf-end:" + id; - - mark(startTag); - var vnode = vm._render(); - mark(endTag); - measure(("vue " + name + " render"), startTag, endTag); - - mark(startTag); - vm._update(vnode, hydrating); - mark(endTag); - measure(("vue " + name + " patch"), startTag, endTag); - }; - } else { - updateComponent = function () { - vm._update(vm._render(), hydrating); - }; - } - - // we set this to vm._watcher inside the watcher's constructor - // since the watcher's initial patch may call $forceUpdate (e.g. inside child - // component's mounted hook), which relies on vm._watcher being already defined - new Watcher(vm, updateComponent, noop, { - before: function before () { - if (vm._isMounted && !vm._isDestroyed) { - callHook(vm, 'beforeUpdate'); - } - } - }, true /* isRenderWatcher */); - 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 updateChildComponent ( - vm, - propsData, - listeners, - parentVnode, - renderChildren - ) { - { - isUpdatingChildComponent = true; - } - - // determine whether component has slot children - // we need to do this before overwriting $options._renderChildren. - - // check if there are dynamic scopedSlots (hand-written or compiled but with - // dynamic slot names). Static scoped slots compiled from template has the - // "$stable" marker. - var newScopedSlots = parentVnode.data.scopedSlots; - var oldScopedSlots = vm.$scopedSlots; - var hasDynamicScopedSlot = !!( - (newScopedSlots && !newScopedSlots.$stable) || - (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) || - (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) - ); - - // Any static slot children from the parent may have changed during parent's - // update. Dynamic scoped slots may also have changed. In such cases, a forced - // update is necessary to ensure correctness. - var needsForceUpdate = !!( - renderChildren || // has new static slots - vm.$options._renderChildren || // has old static slots - hasDynamicScopedSlot - ); - - vm.$options._parentVnode = parentVnode; - vm.$vnode = parentVnode; // update vm's placeholder node without re-render - - if (vm._vnode) { // update child tree's parent - vm._vnode.parent = parentVnode; - } - vm.$options._renderChildren = renderChildren; - - // update $attrs and $listeners hash - // these are also reactive so they may trigger child update if the child - // used them during render - vm.$attrs = parentVnode.data.attrs || emptyObject; - vm.$listeners = listeners || emptyObject; - - // update props - if (propsData && vm.$options.props) { - toggleObserving(false); - var props = vm._props; - var propKeys = vm.$options._propKeys || []; - for (var i = 0; i < propKeys.length; i++) { - var key = propKeys[i]; - var propOptions = vm.$options.props; // wtf flow? - props[key] = validateProp(key, propOptions, propsData, vm); - } - toggleObserving(true); - // keep a copy of raw propsData - vm.$options.propsData = propsData; - } - - // update listeners - listeners = listeners || emptyObject; - var oldListeners = vm.$options._parentListeners; - vm.$options._parentListeners = listeners; - updateComponentListeners(vm, listeners, oldListeners); - - // resolve slots + force update if has children - if (needsForceUpdate) { - vm.$slots = resolveSlots(renderChildren, parentVnode.context); - vm.$forceUpdate(); - } - - { - isUpdatingChildComponent = false; - } - } - - function isInInactiveTree (vm) { - while (vm && (vm = vm.$parent)) { - if (vm._inactive) { return true } - } - return false - } - - function activateChildComponent (vm, direct) { - if (direct) { - vm._directInactive = false; - if (isInInactiveTree(vm)) { - return - } - } else if (vm._directInactive) { - return - } - if (vm._inactive || vm._inactive === null) { - vm._inactive = false; - for (var i = 0; i < vm.$children.length; i++) { - activateChildComponent(vm.$children[i]); - } - callHook(vm, 'activated'); - } - } - - function deactivateChildComponent (vm, direct) { - if (direct) { - vm._directInactive = true; - if (isInInactiveTree(vm)) { - return - } - } - if (!vm._inactive) { - vm._inactive = true; - for (var i = 0; i < vm.$children.length; i++) { - deactivateChildComponent(vm.$children[i]); - } - callHook(vm, 'deactivated'); - } - } - - function callHook (vm, hook) { - // #7573 disable dep collection when invoking lifecycle hooks - pushTarget(); - var handlers = vm.$options[hook]; - var info = hook + " hook"; - if (handlers) { - for (var i = 0, j = handlers.length; i < j; i++) { - invokeWithErrorHandling(handlers[i], vm, null, vm, info); - } - } - if (vm._hasHookEvent) { - vm.$emit('hook:' + hook); - } - popTarget(); - } - - /* */ - - var MAX_UPDATE_COUNT = 100; - - var queue = []; - var activatedChildren = []; - var has = {}; - var circular = {}; - var waiting = false; - var flushing = false; - var index = 0; - - /** - * Reset the scheduler's state. - */ - function resetSchedulerState () { - index = queue.length = activatedChildren.length = 0; - has = {}; - { - circular = {}; - } - waiting = flushing = false; - } - - // Async edge case #6566 requires saving the timestamp when event listeners are - // attached. However, calling performance.now() has a perf overhead especially - // if the page has thousands of event listeners. Instead, we take a timestamp - // every time the scheduler flushes and use that for all event listeners - // attached during that flush. - var currentFlushTimestamp = 0; - - // Async edge case fix requires storing an event listener's attach timestamp. - var getNow = Date.now; - - // Determine what event timestamp the browser is using. Annoyingly, the - // timestamp can either be hi-res (relative to page load) or low-res - // (relative to UNIX epoch), so in order to compare time we have to use the - // same timestamp type when saving the flush timestamp. - // All IE versions use low-res event timestamps, and have problematic clock - // implementations (#9632) - if (inBrowser && !isIE) { - var performance = window.performance; - if ( - performance && - typeof performance.now === 'function' && - getNow() > document.createEvent('Event').timeStamp - ) { - // if the event timestamp, although evaluated AFTER the Date.now(), is - // smaller than it, it means the event is using a hi-res timestamp, - // and we need to use the hi-res version for event listener timestamps as - // well. - getNow = function () { return performance.now(); }; - } - } - - /** - * Flush both queues and run the watchers. - */ - function flushSchedulerQueue () { - currentFlushTimestamp = getNow(); - flushing = true; - var watcher, id; - - // 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++) { - watcher = queue[index]; - if (watcher.before) { - watcher.before(); - } - id = watcher.id; - has[id] = null; - watcher.run(); - // in dev build, check and stop circular updates. - if (has[id] != null) { - circular[id] = (circular[id] || 0) + 1; - if (circular[id] > MAX_UPDATE_COUNT) { - warn( - 'You may have an infinite update loop ' + ( - watcher.user - ? ("in watcher with expression \"" + (watcher.expression) + "\"") - : "in a component render function." - ), - watcher.vm - ); - break - } - } - } - - // keep copies of post queues before resetting state - var activatedQueue = activatedChildren.slice(); - var updatedQueue = queue.slice(); - - resetSchedulerState(); - - // call component updated and activated hooks - callActivatedHooks(activatedQueue); - callUpdatedHooks(updatedQueue); - - // devtool hook - /* istanbul ignore if */ - if (devtools && config.devtools) { - devtools.emit('flush'); - } - } - - function callUpdatedHooks (queue) { - var i = queue.length; - while (i--) { - var watcher = queue[i]; - var vm = watcher.vm; - if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) { - callHook(vm, 'updated'); - } - } - } - - /** - * Queue a kept-alive component that was activated during patch. - * The queue will be processed after the entire tree has been patched. - */ - function queueActivatedComponent (vm) { - // setting _inactive to false here so that a render function can - // rely on checking whether it's in an inactive tree (e.g. router-view) - vm._inactive = false; - activatedChildren.push(vm); - } - - function callActivatedHooks (queue) { - for (var i = 0; i < queue.length; i++) { - queue[i]._inactive = true; - activateChildComponent(queue[i], true /* true */); - } - } - - /** - * 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[id] == null) { - has[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 > index && queue[i].id > watcher.id) { - i--; - } - queue.splice(i + 1, 0, watcher); - } - // queue the flush - if (!waiting) { - waiting = true; - - if (!config.async) { - flushSchedulerQueue(); - return - } - nextTick(flushSchedulerQueue); - } - } - } - - /* */ - - - - var uid$2 = 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, - isRenderWatcher - ) { - this.vm = vm; - if (isRenderWatcher) { - vm._watcher = this; - } - vm._watchers.push(this); - // options - if (options) { - this.deep = !!options.deep; - this.user = !!options.user; - this.lazy = !!options.lazy; - this.sync = !!options.sync; - this.before = options.before; - } else { - this.deep = this.user = this.lazy = this.sync = false; - } - 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.expression = expOrFn.toString(); - // parse expression for getter - if (typeof expOrFn === 'function') { - this.getter = expOrFn; - } else { - this.getter = parsePath(expOrFn); - if (!this.getter) { - this.getter = noop; - 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; - var vm = this.vm; - try { - value = this.getter.call(vm, vm); - } catch (e) { - if (this.user) { - handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\"")); - } else { - throw e - } - } finally { - // "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); - } - } - }; - - /** - * Clean up for dependency collection. - */ - Watcher.prototype.cleanupDeps = function cleanupDeps () { - 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. - */ - Watcher.prototype.update = function update () { - /* istanbul ignore else */ - if (this.lazy) { - this.dirty = true; - } else if (this.sync) { - this.run(); - } else { - queueWatcher(this); - } - }; - - /** - * 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) { - handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\"")); - } - } else { - this.cb.call(this.vm, value, oldValue); - } - } - } - }; - - /** - * 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; - }; - - /** - * Depend on all deps collected by this watcher. - */ - Watcher.prototype.depend = function depend () { - var i = this.deps.length; - while (i--) { - this.deps[i].depend(); - } - }; - - /** - * Remove self from all dependencies' subscriber list. - */ - Watcher.prototype.teardown = function teardown () { - 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. - if (!this.vm._isBeingDestroyed) { - remove(this.vm._watchers, this); - } - var i = this.deps.length; - while (i--) { - this.deps[i].removeSub(this); - } - this.active = false; - } - }; - - /* */ - - var sharedPropertyDefinition = { - enumerable: true, - configurable: true, - get: noop, - set: noop - }; - - function proxy (target, sourceKey, key) { - sharedPropertyDefinition.get = function proxyGetter () { - return this[sourceKey][key] - }; - sharedPropertyDefinition.set = function proxySetter (val) { - this[sourceKey][key] = val; - }; - Object.defineProperty(target, key, sharedPropertyDefinition); - } - - function initState (vm) { - vm._watchers = []; - var opts = vm.$options; - if (opts.props) { initProps(vm, opts.props); } - if (opts.methods) { initMethods(vm, opts.methods); } - if (opts.data) { - initData(vm); - } else { - observe(vm._data = {}, true /* asRootData */); - } - if (opts.computed) { initComputed(vm, opts.computed); } - if (opts.watch && opts.watch !== nativeWatch) { - initWatch(vm, opts.watch); - } - } - - function initProps (vm, propsOptions) { - var propsData = vm.$options.propsData || {}; - var props = vm._props = {}; - // cache prop keys so that future props updates can iterate using Array - // instead of dynamic object key enumeration. - var keys = vm.$options._propKeys = []; - var isRoot = !vm.$parent; - // root instance props should be converted - if (!isRoot) { - toggleObserving(false); - } - var loop = function ( key ) { - keys.push(key); - var value = validateProp(key, propsOptions, propsData, vm); - /* istanbul ignore else */ - { - var hyphenatedKey = hyphenate(key); - if (isReservedAttribute(hyphenatedKey) || - config.isReservedAttr(hyphenatedKey)) { - warn( - ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."), - vm - ); - } - defineReactive$$1(props, key, value, function () { - if (!isRoot && !isUpdatingChildComponent) { - 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 - ); - } - }); - } - // static props are already proxied on the component's prototype - // during Vue.extend(). We only need to proxy props defined at - // instantiation here. - if (!(key in vm)) { - proxy(vm, "_props", key); - } - }; - - for (var key in propsOptions) loop( key ); - toggleObserving(true); - } - - function initData (vm) { - var data = vm.$options.data; - data = vm._data = typeof data === 'function' - ? getData(data, vm) - : data || {}; - if (!isPlainObject(data)) { - data = {}; - warn( - 'data functions should return an object:\n' + - 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', - vm - ); - } - // proxy data on instance - var keys = Object.keys(data); - var props = vm.$options.props; - var methods = vm.$options.methods; - var i = keys.length; - while (i--) { - var key = keys[i]; - { - if (methods && hasOwn(methods, key)) { - warn( - ("Method \"" + key + "\" has already been defined as a data property."), - vm - ); - } - } - if (props && hasOwn(props, key)) { - warn( - "The data property \"" + key + "\" is already declared as a prop. " + - "Use prop default value instead.", - vm - ); - } else if (!isReserved(key)) { - proxy(vm, "_data", key); - } - } - // observe data - observe(data, true /* asRootData */); - } - - function getData (data, vm) { - // #7573 disable dep collection when invoking data getters - pushTarget(); - try { - return data.call(vm, vm) - } catch (e) { - handleError(e, vm, "data()"); - return {} - } finally { - popTarget(); - } - } - - var computedWatcherOptions = { lazy: true }; - - function initComputed (vm, computed) { - // $flow-disable-line - var watchers = vm._computedWatchers = Object.create(null); - // computed properties are just getters during SSR - var isSSR = isServerRendering(); - - for (var key in computed) { - var userDef = computed[key]; - var getter = typeof userDef === 'function' ? userDef : userDef.get; - if (getter == null) { - warn( - ("Getter is missing for computed property \"" + key + "\"."), - vm - ); - } - - if (!isSSR) { - // create internal watcher for the computed property. - watchers[key] = new Watcher( - vm, - getter || noop, - noop, - computedWatcherOptions - ); - } - - // component-defined computed properties are already defined on the - // component prototype. We only need to define computed properties defined - // at instantiation here. - if (!(key in vm)) { - defineComputed(vm, key, userDef); - } else { - if (key in vm.$data) { - warn(("The computed property \"" + key + "\" is already defined in data."), vm); - } else if (vm.$options.props && key in vm.$options.props) { - warn(("The computed property \"" + key + "\" is already defined as a prop."), vm); - } - } - } - } - - function defineComputed ( - target, - key, - userDef - ) { - var shouldCache = !isServerRendering(); - if (typeof userDef === 'function') { - sharedPropertyDefinition.get = shouldCache - ? createComputedGetter(key) - : createGetterInvoker(userDef); - sharedPropertyDefinition.set = noop; - } else { - sharedPropertyDefinition.get = userDef.get - ? shouldCache && userDef.cache !== false - ? createComputedGetter(key) - : createGetterInvoker(userDef.get) - : noop; - sharedPropertyDefinition.set = userDef.set || noop; - } - if (sharedPropertyDefinition.set === noop) { - sharedPropertyDefinition.set = function () { - warn( - ("Computed property \"" + key + "\" was assigned to but it has no setter."), - this - ); - }; - } - Object.defineProperty(target, key, sharedPropertyDefinition); - } - - function createComputedGetter (key) { - return function computedGetter () { - var watcher = this._computedWatchers && this._computedWatchers[key]; - if (watcher) { - if (watcher.dirty) { - watcher.evaluate(); - } - if (Dep.target) { - watcher.depend(); - } - return watcher.value - } - } - } - - function createGetterInvoker(fn) { - return function computedGetter () { - return fn.call(this, this) - } - } - - function initMethods (vm, methods) { - var props = vm.$options.props; - for (var key in methods) { - { - if (typeof methods[key] !== 'function') { - warn( - "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " + - "Did you reference the function correctly?", - vm - ); - } - if (props && hasOwn(props, key)) { - warn( - ("Method \"" + key + "\" has already been defined as a prop."), - vm - ); - } - if ((key in vm) && isReserved(key)) { - warn( - "Method \"" + key + "\" conflicts with an existing Vue instance method. " + - "Avoid defining component methods that start with _ or $." - ); - } - } - vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm); - } - } - - function initWatch (vm, watch) { - for (var key in watch) { - var handler = watch[key]; - if (Array.isArray(handler)) { - for (var i = 0; i < handler.length; i++) { - createWatcher(vm, key, handler[i]); - } - } else { - createWatcher(vm, key, handler); - } - } - } - - function createWatcher ( - vm, - expOrFn, - handler, - options - ) { - if (isPlainObject(handler)) { - options = handler; - handler = handler.handler; - } - if (typeof handler === 'string') { - handler = vm[handler]; - } - return vm.$watch(expOrFn, handler, options) - } - - 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 }; - var propsDef = {}; - propsDef.get = function () { return this._props }; - { - dataDef.set = function () { - warn( - 'Avoid replacing instance root $data. ' + - 'Use nested data properties instead.', - this - ); - }; - propsDef.set = function () { - warn("$props is readonly.", this); - }; - } - Object.defineProperty(Vue.prototype, '$data', dataDef); - Object.defineProperty(Vue.prototype, '$props', propsDef); - - Vue.prototype.$set = set; - Vue.prototype.$delete = del; - - Vue.prototype.$watch = function ( - expOrFn, - cb, - options - ) { - var vm = this; - if (isPlainObject(cb)) { - return createWatcher(vm, expOrFn, cb, options) - } - options = options || {}; - options.user = true; - var watcher = new Watcher(vm, expOrFn, cb, options); - if (options.immediate) { - try { - cb.call(vm, watcher.value); - } catch (error) { - handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\"")); - } - } - return function unwatchFn () { - watcher.teardown(); - } - }; - } - - /* */ - - var uid$3 = 0; - - function initMixin (Vue) { - Vue.prototype._init = function (options) { - var vm = this; - // a uid - vm._uid = uid$3++; - - var startTag, endTag; - /* istanbul ignore if */ - if (config.performance && mark) { - startTag = "vue-perf-start:" + (vm._uid); - endTag = "vue-perf-end:" + (vm._uid); - mark(startTag); - } - - // a flag to avoid this being observed - vm._isVue = true; - // merge options - if (options && options._isComponent) { - // optimize internal component instantiation - // since dynamic options merging is pretty slow, and none of the - // internal component options needs special treatment. - initInternalComponent(vm, options); - } else { - vm.$options = mergeOptions( - resolveConstructorOptions(vm.constructor), - options || {}, - vm - ); - } - /* istanbul ignore else */ - { - initProxy(vm); - } - // expose real self - vm._self = vm; - initLifecycle(vm); - initEvents(vm); - initRender(vm); - callHook(vm, 'beforeCreate'); - initInjections(vm); // resolve injections before data/props - initState(vm); - initProvide(vm); // resolve provide after data/props - callHook(vm, 'created'); - - /* istanbul ignore if */ - if (config.performance && mark) { - vm._name = formatComponentName(vm, false); - mark(endTag); - measure(("vue " + (vm._name) + " init"), startTag, endTag); - } - - if (vm.$options.el) { - vm.$mount(vm.$options.el); - } - }; - } - - function initInternalComponent (vm, options) { - var opts = vm.$options = Object.create(vm.constructor.options); - // doing this because it's faster than dynamic enumeration. - var parentVnode = options._parentVnode; - opts.parent = options.parent; - opts._parentVnode = parentVnode; - - var vnodeComponentOptions = parentVnode.componentOptions; - opts.propsData = vnodeComponentOptions.propsData; - opts._parentListeners = vnodeComponentOptions.listeners; - opts._renderChildren = vnodeComponentOptions.children; - opts._componentTag = vnodeComponentOptions.tag; - - if (options.render) { - opts.render = options.render; - opts.staticRenderFns = options.staticRenderFns; - } - } - - function resolveConstructorOptions (Ctor) { - var options = Ctor.options; - if (Ctor.super) { - var superOptions = resolveConstructorOptions(Ctor.super); - var cachedSuperOptions = Ctor.superOptions; - if (superOptions !== cachedSuperOptions) { - // super option changed, - // need to resolve new options. - Ctor.superOptions = superOptions; - // check if there are any late-modified/attached options (#4976) - var modifiedOptions = resolveModifiedOptions(Ctor); - // update base extend options - if (modifiedOptions) { - extend(Ctor.extendOptions, modifiedOptions); - } - options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions); - if (options.name) { - options.components[options.name] = Ctor; - } - } - } - return options - } - - function resolveModifiedOptions (Ctor) { - var modified; - var latest = Ctor.options; - var sealed = Ctor.sealedOptions; - for (var key in latest) { - if (latest[key] !== sealed[key]) { - if (!modified) { modified = {}; } - modified[key] = latest[key]; - } - } - return modified - } - - function Vue (options) { - if (!(this instanceof Vue) - ) { - warn('Vue is a constructor and should be called with the `new` keyword'); - } - this._init(options); - } - - initMixin(Vue); - stateMixin(Vue); - eventsMixin(Vue); - lifecycleMixin(Vue); - renderMixin(Vue); - - /* */ - - function initUse (Vue) { - Vue.use = function (plugin) { - var installedPlugins = (this._installedPlugins || (this._installedPlugins = [])); - if (installedPlugins.indexOf(plugin) > -1) { - return this - } - - // additional parameters - var args = toArray(arguments, 1); - args.unshift(this); - if (typeof plugin.install === 'function') { - plugin.install.apply(plugin, args); - } else if (typeof plugin === 'function') { - plugin.apply(null, args); - } - installedPlugins.push(plugin); - return this - }; - } - - /* */ - - function initMixin$1 (Vue) { - Vue.mixin = function (mixin) { - this.options = mergeOptions(this.options, mixin); - return this - }; - } - - /* */ - - function initExtend (Vue) { - /** - * Each instance constructor, including Vue, has a unique - * cid. This enables us to create wrapped "child - * constructors" for prototypal inheritance and cache them. - */ - Vue.cid = 0; - var cid = 1; - - /** - * Class inheritance - */ - Vue.extend = function (extendOptions) { - extendOptions = extendOptions || {}; - var Super = this; - var SuperId = Super.cid; - var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {}); - if (cachedCtors[SuperId]) { - return cachedCtors[SuperId] - } - - var name = extendOptions.name || Super.options.name; - if (name) { - validateComponentName(name); - } - - 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; - - // For props and computed properties, we define the proxy getters on - // the Vue instances at extension time, on the extended prototype. This - // avoids Object.defineProperty calls for each instance created. - if (Sub.options.props) { - initProps$1(Sub); - } - if (Sub.options.computed) { - initComputed$1(Sub); - } - - // allow further extension/mixin/plugin usage - Sub.extend = Super.extend; - Sub.mixin = Super.mixin; - Sub.use = Super.use; - - // create asset registers, so extended classes - // can have their private assets too. - ASSET_TYPES.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; - Sub.sealedOptions = extend({}, Sub.options); - - // cache constructor - cachedCtors[SuperId] = Sub; - return Sub - }; - } - - function initProps$1 (Comp) { - var props = Comp.options.props; - for (var key in props) { - proxy(Comp.prototype, "_props", key); - } - } - - function initComputed$1 (Comp) { - var computed = Comp.options.computed; - for (var key in computed) { - defineComputed(Comp.prototype, key, computed[key]); - } - } - - /* */ - - function initAssetRegisters (Vue) { - /** - * Create asset registration methods. - */ - ASSET_TYPES.forEach(function (type) { - Vue[type] = function ( - id, - definition - ) { - if (!definition) { - return this.options[type + 's'][id] - } else { - /* istanbul ignore if */ - if (type === 'component') { - validateComponentName(id); - } - if (type === 'component' && isPlainObject(definition)) { - definition.name = definition.name || id; - definition = this.options._base.extend(definition); - } - if (type === 'directive' && typeof definition === 'function') { - definition = { bind: definition, update: definition }; - } - this.options[type + 's'][id] = definition; - return definition - } - }; - }); - } - - /* */ - - - - function getComponentName (opts) { - return opts && (opts.Ctor.options.name || opts.tag) - } - - function matches (pattern, name) { - if (Array.isArray(pattern)) { - return pattern.indexOf(name) > -1 - } else if (typeof pattern === 'string') { - return pattern.split(',').indexOf(name) > -1 - } else if (isRegExp(pattern)) { - return pattern.test(name) - } - /* istanbul ignore next */ - return false - } - - function pruneCache (keepAliveInstance, filter) { - var cache = keepAliveInstance.cache; - var keys = keepAliveInstance.keys; - var _vnode = keepAliveInstance._vnode; - for (var key in cache) { - var cachedNode = cache[key]; - if (cachedNode) { - var name = getComponentName(cachedNode.componentOptions); - if (name && !filter(name)) { - pruneCacheEntry(cache, key, keys, _vnode); - } - } - } - } - - function pruneCacheEntry ( - cache, - key, - keys, - current - ) { - var cached$$1 = cache[key]; - if (cached$$1 && (!current || cached$$1.tag !== current.tag)) { - cached$$1.componentInstance.$destroy(); - } - cache[key] = null; - remove(keys, key); - } - - var patternTypes = [String, RegExp, Array]; - - var KeepAlive = { - name: 'keep-alive', - abstract: true, - - props: { - include: patternTypes, - exclude: patternTypes, - max: [String, Number] - }, - - created: function created () { - this.cache = Object.create(null); - this.keys = []; - }, - - destroyed: function destroyed () { - for (var key in this.cache) { - pruneCacheEntry(this.cache, key, this.keys); - } - }, - - mounted: function mounted () { - var this$1 = this; - - this.$watch('include', function (val) { - pruneCache(this$1, function (name) { return matches(val, name); }); - }); - this.$watch('exclude', function (val) { - pruneCache(this$1, function (name) { return !matches(val, name); }); - }); - }, - - render: function render () { - var slot = this.$slots.default; - var vnode = getFirstComponentChild(slot); - var componentOptions = vnode && vnode.componentOptions; - if (componentOptions) { - // check pattern - var name = getComponentName(componentOptions); - var ref = this; - var include = ref.include; - var exclude = ref.exclude; - if ( - // not included - (include && (!name || !matches(include, name))) || - // excluded - (exclude && name && matches(exclude, name)) - ) { - return vnode - } - - var ref$1 = this; - var cache = ref$1.cache; - var keys = ref$1.keys; - var key = vnode.key == null - // same constructor may get registered as different local components - // so cid alone is not enough (#3269) - ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '') - : vnode.key; - if (cache[key]) { - vnode.componentInstance = cache[key].componentInstance; - // make current key freshest - remove(keys, key); - keys.push(key); - } else { - cache[key] = vnode; - keys.push(key); - // prune oldest entry - if (this.max && keys.length > parseInt(this.max)) { - pruneCacheEntry(cache, keys[0], keys, this._vnode); - } - } - - vnode.data.keepAlive = true; - } - return vnode || (slot && slot[0]) - } - }; - - var builtInComponents = { - KeepAlive: KeepAlive - }; - - /* */ - - 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); - - // exposed util methods. - // NOTE: these are not considered part of the public API - avoid relying on - // them unless you are aware of the risk. - Vue.util = { - warn: warn, - extend: extend, - mergeOptions: mergeOptions, - defineReactive: defineReactive$$1 - }; - - Vue.set = set; - Vue.delete = del; - Vue.nextTick = nextTick; - - // 2.6 explicit observable API - Vue.observable = function (obj) { - observe(obj); - return obj - }; - - Vue.options = Object.create(null); - ASSET_TYPES.forEach(function (type) { - Vue.options[type + 's'] = Object.create(null); - }); - - // this is used to identify the "base" constructor to extend all plain-object - // components with in Weex's multi-instance scenarios. - Vue.options._base = Vue; - - extend(Vue.options.components, builtInComponents); - - initUse(Vue); - initMixin$1(Vue); - initExtend(Vue); - initAssetRegisters(Vue); - } - - initGlobalAPI(Vue); - - Object.defineProperty(Vue.prototype, '$isServer', { - get: isServerRendering - }); - - Object.defineProperty(Vue.prototype, '$ssrContext', { - get: function get () { - /* istanbul ignore next */ - return this.$vnode && this.$vnode.ssrContext - } - }); - - // expose FunctionalRenderContext for ssr runtime helper installation - Object.defineProperty(Vue, 'FunctionalRenderContext', { - value: FunctionalRenderContext - }); - - Vue.version = '2.6.10'; - - /* */ - - // these are reserved for web because they are directly compiled away - // during template compilation - var isReservedAttr = makeMap('style,class'); - - // attributes that should be using props for binding - var acceptValue = makeMap('input,textarea,option,select,progress'); - var mustUseProp = function (tag, type, attr) { - return ( - (attr === 'value' && acceptValue(tag)) && type !== 'button' || - (attr === 'selected' && tag === 'option') || - (attr === 'checked' && tag === 'input') || - (attr === 'muted' && tag === 'video') - ) - }; - - var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck'); - - var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only'); - - var convertEnumeratedValue = function (key, value) { - return isFalsyAttrValue(value) || value === 'false' - ? 'false' - // allow arbitrary string value for contenteditable - : key === 'contenteditable' && isValidContentEditableValue(value) - ? value - : 'true' - }; - - 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' - ); - - var xlinkNS = 'http://www.w3.org/1999/xlink'; - - var isXlink = function (name) { - return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink' - }; - - var getXlinkProp = function (name) { - return isXlink(name) ? name.slice(6, name.length) : '' - }; - - var isFalsyAttrValue = function (val) { - return val == null || val === false - }; - - /* */ - - function genClassForVnode (vnode) { - var data = vnode.data; - var parentNode = vnode; - var childNode = vnode; - while (isDef(childNode.componentInstance)) { - childNode = childNode.componentInstance._vnode; - if (childNode && childNode.data) { - data = mergeClassData(childNode.data, data); - } - } - while (isDef(parentNode = parentNode.parent)) { - if (parentNode && parentNode.data) { - data = mergeClassData(data, parentNode.data); - } - } - return renderClass(data.staticClass, data.class) - } - - function mergeClassData (child, parent) { - return { - staticClass: concat(child.staticClass, parent.staticClass), - class: isDef(child.class) - ? [child.class, parent.class] - : parent.class - } - } - - function renderClass ( - staticClass, - dynamicClass - ) { - if (isDef(staticClass) || isDef(dynamicClass)) { - return concat(staticClass, stringifyClass(dynamicClass)) - } - /* istanbul ignore next */ - return '' - } - - function concat (a, b) { - return a ? b ? (a + ' ' + b) : a : (b || '') - } - - function stringifyClass (value) { - if (Array.isArray(value)) { - return stringifyArray(value) - } - if (isObject(value)) { - return stringifyObject(value) - } - if (typeof value === 'string') { - return value - } - /* istanbul ignore next */ - return '' - } - - function stringifyArray (value) { - var res = ''; - var stringified; - for (var i = 0, l = value.length; i < l; i++) { - if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') { - if (res) { res += ' '; } - res += stringified; - } - } - return res - } - - function stringifyObject (value) { - var res = ''; - for (var key in value) { - if (value[key]) { - if (res) { res += ' '; } - res += key; - } - } - 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,picture,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,blockquote,iframe,tfoot' - ); - - // 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-face,' + - 'foreignObject,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())) - } - } - - var isTextInputType = makeMap('text,number,password,search,email,tel,url'); - - /* */ - - /** - * Query an element selector if it's not an element already. - */ - function query (el) { - if (typeof el === 'string') { - var selected = document.querySelector(el); - if (!selected) { - warn( - 'Cannot find element: ' + el - ); - return document.createElement('div') - } - return selected - } else { - return el - } - } - - /* */ - - function createElement$1 (tagName, vnode) { - var elm = document.createElement(tagName); - if (tagName !== 'select') { - return elm - } - // false or null will remove the attribute but undefined will not - if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) { - 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 setStyleScope (node, scopeId) { - node.setAttribute(scopeId, ''); - } - - var nodeOps = /*#__PURE__*/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, - setStyleScope: setStyleScope - }); - - /* */ - - 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 (!isDef(key)) { return } - - var vm = vnode.context; - var ref = vnode.componentInstance || vnode.elm; - var refs = vm.$refs; - if (isRemoval) { - if (Array.isArray(refs[key])) { - remove(refs[key], ref); - } else if (refs[key] === ref) { - refs[key] = undefined; - } - } else { - if (vnode.data.refInFor) { - if (!Array.isArray(refs[key])) { - refs[key] = [ref]; - } else if (refs[key].indexOf(ref) < 0) { - // $flow-disable-line - refs[key].push(ref); - } - } else { - refs[key] = ref; - } - } - } - - /** - * 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) - * - * Not type-checking this because this file is perf-critical and the cost - * of making flow understand it is not worth it. - */ - - var emptyNode = new VNode('', {}, []); - - var hooks = ['create', 'activate', 'update', 'remove', 'destroy']; - - function sameVnode (a, b) { - return ( - a.key === b.key && ( - ( - a.tag === b.tag && - a.isComment === b.isComment && - isDef(a.data) === isDef(b.data) && - sameInputType(a, b) - ) || ( - isTrue(a.isAsyncPlaceholder) && - a.asyncFactory === b.asyncFactory && - isUndef(b.asyncFactory.error) - ) - ) - ) - } - - function sameInputType (a, b) { - if (a.tag !== 'input') { return true } - var i; - var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type; - var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type; - return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB) - } - - 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 - } - - function createPatchFunction (backend) { - var i, j; - var cbs = {}; - - var modules = backend.modules; - var nodeOps = backend.nodeOps; - - for (i = 0; i < hooks.length; ++i) { - cbs[hooks[i]] = []; - for (j = 0; j < modules.length; ++j) { - if (isDef(modules[j][hooks[i]])) { - cbs[hooks[i]].push(modules[j][hooks[i]]); - } - } - } - - function emptyNodeAt (elm) { - return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm) - } - - function createRmCb (childElm, listeners) { - function remove$$1 () { - if (--remove$$1.listeners === 0) { - removeNode(childElm); - } - } - remove$$1.listeners = listeners; - return remove$$1 - } - - function removeNode (el) { - var parent = nodeOps.parentNode(el); - // element may have already been removed due to v-html / v-text - if (isDef(parent)) { - nodeOps.removeChild(parent, el); - } - } - - function isUnknownElement$$1 (vnode, inVPre) { - return ( - !inVPre && - !vnode.ns && - !( - config.ignoredElements.length && - config.ignoredElements.some(function (ignore) { - return isRegExp(ignore) - ? ignore.test(vnode.tag) - : ignore === vnode.tag - }) - ) && - config.isUnknownElement(vnode.tag) - ) - } - - var creatingElmInVPre = 0; - - function createElm ( - vnode, - insertedVnodeQueue, - parentElm, - refElm, - nested, - ownerArray, - index - ) { - if (isDef(vnode.elm) && isDef(ownerArray)) { - // This vnode was used in a previous render! - // now it's used as a new node, overwriting its elm would cause - // potential patch errors down the road when it's used as an insertion - // reference node. Instead, we clone the node on-demand before creating - // associated DOM element for it. - vnode = ownerArray[index] = cloneVNode(vnode); - } - - vnode.isRootInsert = !nested; // for transition enter check - if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) { - return - } - - var data = vnode.data; - var children = vnode.children; - var tag = vnode.tag; - if (isDef(tag)) { - { - if (data && data.pre) { - creatingElmInVPre++; - } - if (isUnknownElement$$1(vnode, creatingElmInVPre)) { - 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); - - /* istanbul ignore if */ - { - createChildren(vnode, children, insertedVnodeQueue); - if (isDef(data)) { - invokeCreateHooks(vnode, insertedVnodeQueue); - } - insert(parentElm, vnode.elm, refElm); - } - - if (data && data.pre) { - creatingElmInVPre--; - } - } else if (isTrue(vnode.isComment)) { - vnode.elm = nodeOps.createComment(vnode.text); - insert(parentElm, vnode.elm, refElm); - } else { - vnode.elm = nodeOps.createTextNode(vnode.text); - insert(parentElm, vnode.elm, refElm); - } - } - - function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) { - var i = vnode.data; - if (isDef(i)) { - var isReactivated = isDef(vnode.componentInstance) && i.keepAlive; - if (isDef(i = i.hook) && isDef(i = i.init)) { - i(vnode, false /* hydrating */); - } - // 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(vnode.componentInstance)) { - initComponent(vnode, insertedVnodeQueue); - insert(parentElm, vnode.elm, refElm); - if (isTrue(isReactivated)) { - reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm); - } - return true - } - } - } - - function initComponent (vnode, insertedVnodeQueue) { - if (isDef(vnode.data.pendingInsert)) { - insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert); - vnode.data.pendingInsert = null; - } - vnode.elm = vnode.componentInstance.$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); - } - } - - function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) { - var i; - // hack for #4339: a reactivated component with inner transition - // does not trigger because the inner node's created hooks are not called - // again. It's not ideal to involve module-specific logic in here but - // there doesn't seem to be a better way to do it. - var innerNode = vnode; - while (innerNode.componentInstance) { - innerNode = innerNode.componentInstance._vnode; - if (isDef(i = innerNode.data) && isDef(i = i.transition)) { - for (i = 0; i < cbs.activate.length; ++i) { - cbs.activate[i](emptyNode, innerNode); - } - insertedVnodeQueue.push(innerNode); - break - } - } - // unlike a newly created component, - // a reactivated keep-alive component doesn't insert itself - insert(parentElm, vnode.elm, refElm); - } - - function insert (parent, elm, ref$$1) { - if (isDef(parent)) { - if (isDef(ref$$1)) { - if (nodeOps.parentNode(ref$$1) === parent) { - nodeOps.insertBefore(parent, elm, ref$$1); - } - } else { - nodeOps.appendChild(parent, elm); - } - } - } - - function createChildren (vnode, children, insertedVnodeQueue) { - if (Array.isArray(children)) { - { - checkDuplicateKeys(children); - } - for (var i = 0; i < children.length; ++i) { - createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i); - } - } else if (isPrimitive(vnode.text)) { - nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text))); - } - } - - function isPatchable (vnode) { - while (vnode.componentInstance) { - vnode = vnode.componentInstance._vnode; - } - return isDef(vnode.tag) - } - - 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 (isDef(i.create)) { i.create(emptyNode, vnode); } - if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); } - } - } - - // 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.fnScopeId)) { - nodeOps.setStyleScope(vnode.elm, i); - } else { - var ancestor = vnode; - while (ancestor) { - if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) { - nodeOps.setStyleScope(vnode.elm, i); - } - ancestor = ancestor.parent; - } - } - // for slot content they should also get the scopeId from the host instance. - if (isDef(i = activeInstance) && - i !== vnode.context && - i !== vnode.fnContext && - isDef(i = i.$options._scopeId) - ) { - nodeOps.setStyleScope(vnode.elm, i); - } - } - - function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) { - for (; startIdx <= endIdx; ++startIdx) { - createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx); - } - } - - 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]); - } - } - } - - 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 - removeNode(ch.elm); - } - } - } - } - - function removeAndInvokeRemoveHook (vnode, rm) { - if (isDef(rm) || isDef(vnode.data)) { - var i; - var listeners = cbs.remove.length + 1; - if (isDef(rm)) { - // we have a recursively passed down rm callback - // increase the listeners count - rm.listeners += listeners; - } else { - // directly removing - rm = createRmCb(vnode.elm, listeners); - } - // recursively invoke hooks on child component root node - if (isDef(i = vnode.componentInstance) && 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 { - removeNode(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, vnodeToMove, refElm; - - // removeOnly is a special flag used only by <transition-group> - // to ensure removed elements stay in correct relative positions - // during leaving transitions - var canMove = !removeOnly; - - { - checkDuplicateKeys(newCh); - } - - 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, newCh, newStartIdx); - oldStartVnode = oldCh[++oldStartIdx]; - newStartVnode = newCh[++newStartIdx]; - } else if (sameVnode(oldEndVnode, newEndVnode)) { - patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx); - oldEndVnode = oldCh[--oldEndIdx]; - newEndVnode = newCh[--newEndIdx]; - } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right - patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx); - 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, newCh, newStartIdx); - canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm); - oldEndVnode = oldCh[--oldEndIdx]; - newStartVnode = newCh[++newStartIdx]; - } else { - if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); } - idxInOld = isDef(newStartVnode.key) - ? oldKeyToIdx[newStartVnode.key] - : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx); - if (isUndef(idxInOld)) { // New element - createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx); - } else { - vnodeToMove = oldCh[idxInOld]; - if (sameVnode(vnodeToMove, newStartVnode)) { - patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx); - oldCh[idxInOld] = undefined; - canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm); - } else { - // same key but different element. treat as new element - createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx); - } - } - newStartVnode = newCh[++newStartIdx]; - } - } - if (oldStartIdx > oldEndIdx) { - refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm; - addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue); - } else if (newStartIdx > newEndIdx) { - removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx); - } - } - - function checkDuplicateKeys (children) { - var seenKeys = {}; - for (var i = 0; i < children.length; i++) { - var vnode = children[i]; - var key = vnode.key; - if (isDef(key)) { - if (seenKeys[key]) { - warn( - ("Duplicate keys detected: '" + key + "'. This may cause an update error."), - vnode.context - ); - } else { - seenKeys[key] = true; - } - } - } - } - - function findIdxInOld (node, oldCh, start, end) { - for (var i = start; i < end; i++) { - var c = oldCh[i]; - if (isDef(c) && sameVnode(node, c)) { return i } - } - } - - function patchVnode ( - oldVnode, - vnode, - insertedVnodeQueue, - ownerArray, - index, - removeOnly - ) { - if (oldVnode === vnode) { - return - } - - if (isDef(vnode.elm) && isDef(ownerArray)) { - // clone reused vnode - vnode = ownerArray[index] = cloneVNode(vnode); - } - - var elm = vnode.elm = oldVnode.elm; - - if (isTrue(oldVnode.isAsyncPlaceholder)) { - if (isDef(vnode.asyncFactory.resolved)) { - hydrate(oldVnode.elm, vnode, insertedVnodeQueue); - } else { - vnode.isAsyncPlaceholder = true; - } - 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 (isTrue(vnode.isStatic) && - isTrue(oldVnode.isStatic) && - vnode.key === oldVnode.key && - (isTrue(vnode.isCloned) || isTrue(vnode.isOnce)) - ) { - vnode.componentInstance = oldVnode.componentInstance; - return - } - - var i; - var data = vnode.data; - if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) { - i(oldVnode, vnode); - } - - var oldCh = oldVnode.children; - var ch = vnode.children; - if (isDef(data) && 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)) { - { - checkDuplicateKeys(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 (isDef(data)) { - 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 (isTrue(initial) && isDef(vnode.parent)) { - vnode.parent.data.pendingInsert = queue; - } else { - for (var i = 0; i < queue.length; ++i) { - queue[i].data.hook.insert(queue[i]); - } - } - } - - var hydrationBailed = false; - // list of modules that can skip create hook during hydration because they - // are already rendered on the client or has no need for initialization - // Note: style is excluded because it relies on initial clone for future - // deep updates (#7063). - var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key'); - - // Note: this is a browser-only function so we can assume elms are DOM nodes. - function hydrate (elm, vnode, insertedVnodeQueue, inVPre) { - var i; - var tag = vnode.tag; - var data = vnode.data; - var children = vnode.children; - inVPre = inVPre || (data && data.pre); - vnode.elm = elm; - - if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) { - vnode.isAsyncPlaceholder = true; - return true - } - // assert node match - { - if (!assertNodeMatch(elm, vnode, inVPre)) { - return false - } - } - if (isDef(data)) { - if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); } - if (isDef(i = vnode.componentInstance)) { - // child component. it should have hydrated its own tree. - initComponent(vnode, insertedVnodeQueue); - return true - } - } - if (isDef(tag)) { - if (isDef(children)) { - // empty element, allow client to pick up and populate children - if (!elm.hasChildNodes()) { - createChildren(vnode, children, insertedVnodeQueue); - } else { - // v-html and domProps: innerHTML - if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) { - if (i !== elm.innerHTML) { - /* istanbul ignore if */ - if (typeof console !== 'undefined' && - !hydrationBailed - ) { - hydrationBailed = true; - console.warn('Parent: ', elm); - console.warn('server innerHTML: ', i); - console.warn('client innerHTML: ', elm.innerHTML); - } - return false - } - } else { - // iterate and compare children lists - var childrenMatch = true; - var childNode = elm.firstChild; - for (var i$1 = 0; i$1 < children.length; i$1++) { - if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) { - childrenMatch = false; - break - } - childNode = childNode.nextSibling; - } - // if childNode is not null, it means the actual childNodes list is - // longer than the virtual children list. - if (!childrenMatch || childNode) { - /* istanbul ignore if */ - if (typeof console !== 'undefined' && - !hydrationBailed - ) { - hydrationBailed = true; - console.warn('Parent: ', elm); - console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children); - } - return false - } - } - } - } - if (isDef(data)) { - var fullInvoke = false; - for (var key in data) { - if (!isRenderedModule(key)) { - fullInvoke = true; - invokeCreateHooks(vnode, insertedVnodeQueue); - break - } - } - if (!fullInvoke && data['class']) { - // ensure collecting deps for deep class bindings for future updates - traverse(data['class']); - } - } - } else if (elm.data !== vnode.text) { - elm.data = vnode.text; - } - return true - } - - function assertNodeMatch (node, vnode, inVPre) { - if (isDef(vnode.tag)) { - return vnode.tag.indexOf('vue-component') === 0 || ( - !isUnknownElement$$1(vnode, inVPre) && - vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase()) - ) - } else { - return node.nodeType === (vnode.isComment ? 8 : 3) - } - } - - return function patch (oldVnode, vnode, hydrating, removeOnly) { - if (isUndef(vnode)) { - if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); } - return - } - - var isInitialPatch = false; - var insertedVnodeQueue = []; - - if (isUndef(oldVnode)) { - // empty mount (likely as component), create new root element - isInitialPatch = true; - createElm(vnode, insertedVnodeQueue); - } else { - var isRealElement = isDef(oldVnode.nodeType); - if (!isRealElement && sameVnode(oldVnode, vnode)) { - // patch existing root node - patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly); - } else { - 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(SSR_ATTR)) { - oldVnode.removeAttribute(SSR_ATTR); - hydrating = true; - } - if (isTrue(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 ' + - '<p>, or missing <tbody>. 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); - } - - // replacing existing element - var oldElm = oldVnode.elm; - var parentElm = nodeOps.parentNode(oldElm); - - // create new node - createElm( - vnode, - insertedVnodeQueue, - // extremely rare edge case: do not insert if old element is in a - // leaving transition. Only happens when combining transition + - // keep-alive + HOCs. (#4590) - oldElm._leaveCb ? null : parentElm, - nodeOps.nextSibling(oldElm) - ); - - // update parent placeholder node element, recursively - if (isDef(vnode.parent)) { - var ancestor = vnode.parent; - var patchable = isPatchable(vnode); - while (ancestor) { - for (var i = 0; i < cbs.destroy.length; ++i) { - cbs.destroy[i](ancestor); - } - ancestor.elm = vnode.elm; - if (patchable) { - for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) { - cbs.create[i$1](emptyNode, ancestor); - } - // #6513 - // invoke insert hooks that may have been merged by create hooks. - // e.g. for directives that uses the "inserted" hook. - var insert = ancestor.data.hook.insert; - if (insert.merged) { - // start at index 1 to avoid re-invoking component mounted hook - for (var i$2 = 1; i$2 < insert.fns.length; i$2++) { - insert.fns[i$2](); - } - } - } else { - registerRef(ancestor); - } - ancestor = ancestor.parent; - } - } - - // destroy old node - if (isDef(parentElm)) { - removeVnodes(parentElm, [oldVnode], 0, 0); - } else if (isDef(oldVnode.tag)) { - invokeDestroyHook(oldVnode); - } - } - } - - invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch); - return vnode.elm - } - } - - /* */ - - var directives = { - create: updateDirectives, - update: updateDirectives, - destroy: function unbindDirectives (vnode) { - updateDirectives(vnode, emptyNode); - } - }; - - function updateDirectives (oldVnode, vnode) { - if (oldVnode.data.directives || vnode.data.directives) { - _update(oldVnode, vnode); - } - } - - function _update (oldVnode, vnode) { - var isCreate = oldVnode === emptyNode; - var isDestroy = vnode === emptyNode; - var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context); - var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context); - - var dirsWithInsert = []; - var dirsWithPostpatch = []; - - 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; - dir.oldArg = oldDir.arg; - callHook$1(dir, 'update', vnode, oldVnode); - if (dir.def && dir.def.componentUpdated) { - dirsWithPostpatch.push(dir); - } - } - } - - if (dirsWithInsert.length) { - var callInsert = function () { - for (var i = 0; i < dirsWithInsert.length; i++) { - callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode); - } - }; - if (isCreate) { - mergeVNodeHook(vnode, 'insert', callInsert); - } else { - callInsert(); - } - } - - if (dirsWithPostpatch.length) { - mergeVNodeHook(vnode, 'postpatch', function () { - for (var i = 0; i < dirsWithPostpatch.length; i++) { - callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode); - } - }); - } - - if (!isCreate) { - for (key in oldDirs) { - if (!newDirs[key]) { - // no longer present, unbind - callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy); - } - } - } - } - - var emptyModifiers = Object.create(null); - - function normalizeDirectives$1 ( - dirs, - vm - ) { - var res = Object.create(null); - if (!dirs) { - // $flow-disable-line - return res - } - var i, dir; - for (i = 0; i < dirs.length; i++) { - dir = dirs[i]; - if (!dir.modifiers) { - // $flow-disable-line - dir.modifiers = emptyModifiers; - } - res[getRawDirName(dir)] = dir; - dir.def = resolveAsset(vm.$options, 'directives', dir.name, true); - } - // $flow-disable-line - return res - } - - function getRawDirName (dir) { - return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.'))) - } - - function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) { - var fn = dir.def && dir.def[hook]; - if (fn) { - try { - fn(vnode.elm, dir, vnode, oldVnode, isDestroy); - } catch (e) { - handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook")); - } - } - } - - var baseModules = [ - ref, - directives - ]; - - /* */ - - function updateAttrs (oldVnode, vnode) { - var opts = vnode.componentOptions; - if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) { - return - } - if (isUndef(oldVnode.data.attrs) && isUndef(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 (isDef(attrs.__ob__)) { - attrs = vnode.data.attrs = extend({}, attrs); - } - - for (key in attrs) { - cur = attrs[key]; - old = oldAttrs[key]; - if (old !== cur) { - setAttr(elm, key, cur); - } - } - // #4391: in IE9, setting type can reset value for input[type=radio] - // #6666: IE/Edge forces progress value down to 1 before setting a max - /* istanbul ignore if */ - if ((isIE || isEdge) && attrs.value !== oldAttrs.value) { - setAttr(elm, 'value', attrs.value); - } - for (key in oldAttrs) { - if (isUndef(attrs[key])) { - if (isXlink(key)) { - elm.removeAttributeNS(xlinkNS, getXlinkProp(key)); - } else if (!isEnumeratedAttr(key)) { - elm.removeAttribute(key); - } - } - } - } - - function setAttr (el, key, value) { - if (el.tagName.indexOf('-') > -1) { - baseSetAttr(el, key, value); - } else if (isBooleanAttr(key)) { - // set attribute for blank value - // e.g. <option disabled>Select one</option> - if (isFalsyAttrValue(value)) { - el.removeAttribute(key); - } else { - // technically allowfullscreen is a boolean attribute for <iframe>, - // but Flash expects a value of "true" when used on <embed> tag - value = key === 'allowfullscreen' && el.tagName === 'EMBED' - ? 'true' - : key; - el.setAttribute(key, value); - } - } else if (isEnumeratedAttr(key)) { - el.setAttribute(key, convertEnumeratedValue(key, value)); - } else if (isXlink(key)) { - if (isFalsyAttrValue(value)) { - el.removeAttributeNS(xlinkNS, getXlinkProp(key)); - } else { - el.setAttributeNS(xlinkNS, key, value); - } - } else { - baseSetAttr(el, key, value); - } - } - - function baseSetAttr (el, key, value) { - if (isFalsyAttrValue(value)) { - el.removeAttribute(key); - } else { - // #7138: IE10 & 11 fires input event when setting placeholder on - // <textarea>... block the first input event and remove the blocker - // immediately. - /* istanbul ignore if */ - if ( - isIE && !isIE9 && - el.tagName === 'TEXTAREA' && - key === 'placeholder' && value !== '' && !el.__ieph - ) { - var blocker = function (e) { - e.stopImmediatePropagation(); - el.removeEventListener('input', blocker); - }; - el.addEventListener('input', blocker); - // $flow-disable-line - el.__ieph = true; /* IE placeholder patched */ - } - el.setAttribute(key, value); - } - } - - var attrs = { - create: updateAttrs, - update: updateAttrs - }; - - /* */ - - function updateClass (oldVnode, vnode) { - var el = vnode.elm; - var data = vnode.data; - var oldData = oldVnode.data; - if ( - isUndef(data.staticClass) && - isUndef(data.class) && ( - isUndef(oldData) || ( - isUndef(oldData.staticClass) && - isUndef(oldData.class) - ) - ) - ) { - return - } - - var cls = genClassForVnode(vnode); - - // handle transition classes - var transitionClass = el._transitionClasses; - if (isDef(transitionClass)) { - cls = concat(cls, stringifyClass(transitionClass)); - } - - // set the class - if (cls !== el._prevClass) { - el.setAttribute('class', cls); - el._prevClass = cls; - } - } - - var klass = { - create: updateClass, - update: updateClass - }; - - /* */ - - var validDivisionCharRE = /[\w).+\-_$\]]/; - - function parseFilters (exp) { - var inSingle = false; - var inDouble = false; - var inTemplateString = false; - var inRegex = false; - var curly = 0; - var square = 0; - var paren = 0; - var lastFilterIndex = 0; - var c, prev, i, expression, filters; - - for (i = 0; i < exp.length; i++) { - prev = c; - c = exp.charCodeAt(i); - if (inSingle) { - if (c === 0x27 && prev !== 0x5C) { inSingle = false; } - } else if (inDouble) { - if (c === 0x22 && prev !== 0x5C) { inDouble = false; } - } else if (inTemplateString) { - if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; } - } else if (inRegex) { - if (c === 0x2f && prev !== 0x5C) { inRegex = false; } - } else if ( - c === 0x7C && // pipe - exp.charCodeAt(i + 1) !== 0x7C && - exp.charCodeAt(i - 1) !== 0x7C && - !curly && !square && !paren - ) { - if (expression === undefined) { - // first filter, end of expression - lastFilterIndex = i + 1; - expression = exp.slice(0, i).trim(); - } else { - pushFilter(); - } - } else { - switch (c) { - case 0x22: inDouble = true; break // " - case 0x27: inSingle = true; break // ' - case 0x60: inTemplateString = 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 // } - } - if (c === 0x2f) { // / - var j = i - 1; - var p = (void 0); - // find first non-whitespace prev char - for (; j >= 0; j--) { - p = exp.charAt(j); - if (p !== ' ') { break } - } - if (!p || !validDivisionCharRE.test(p)) { - inRegex = true; - } - } - } - } - - if (expression === undefined) { - expression = exp.slice(0, i).trim(); - } else if (lastFilterIndex !== 0) { - pushFilter(); - } - - function pushFilter () { - (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim()); - lastFilterIndex = i + 1; - } - - if (filters) { - for (i = 0; i < filters.length; i++) { - expression = wrapFilter(expression, filters[i]); - } - } - - return expression - } - - function wrapFilter (exp, filter) { - var i = filter.indexOf('('); - if (i < 0) { - // _f: resolveFilter - return ("_f(\"" + filter + "\")(" + exp + ")") - } else { - var name = filter.slice(0, i); - var args = filter.slice(i + 1); - return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args)) - } - } - - /* */ - - - - /* eslint-disable no-unused-vars */ - function baseWarn (msg, range) { - console.error(("[Vue compiler]: " + msg)); - } - /* eslint-enable no-unused-vars */ - - function pluckModuleFunction ( - modules, - key - ) { - return modules - ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; }) - : [] - } - - function addProp (el, name, value, range, dynamic) { - (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range)); - el.plain = false; - } - - function addAttr (el, name, value, range, dynamic) { - var attrs = dynamic - ? (el.dynamicAttrs || (el.dynamicAttrs = [])) - : (el.attrs || (el.attrs = [])); - attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range)); - el.plain = false; - } - - // add a raw attr (use this in preTransforms) - function addRawAttr (el, name, value, range) { - el.attrsMap[name] = value; - el.attrsList.push(rangeSetItem({ name: name, value: value }, range)); - } - - function addDirective ( - el, - name, - rawName, - value, - arg, - isDynamicArg, - modifiers, - range - ) { - (el.directives || (el.directives = [])).push(rangeSetItem({ - name: name, - rawName: rawName, - value: value, - arg: arg, - isDynamicArg: isDynamicArg, - modifiers: modifiers - }, range)); - el.plain = false; - } - - function prependModifierMarker (symbol, name, dynamic) { - return dynamic - ? ("_p(" + name + ",\"" + symbol + "\")") - : symbol + name // mark the event as captured - } - - function addHandler ( - el, - name, - value, - modifiers, - important, - warn, - range, - dynamic - ) { - modifiers = modifiers || emptyObject; - // warn prevent and passive modifier - /* istanbul ignore if */ - if ( - warn && - modifiers.prevent && modifiers.passive - ) { - warn( - 'passive and prevent can\'t be used together. ' + - 'Passive handler can\'t prevent default event.', - range - ); - } - - // normalize click.right and click.middle since they don't actually fire - // this is technically browser-specific, but at least for now browsers are - // the only target envs that have right/middle clicks. - if (modifiers.right) { - if (dynamic) { - name = "(" + name + ")==='click'?'contextmenu':(" + name + ")"; - } else if (name === 'click') { - name = 'contextmenu'; - delete modifiers.right; - } - } else if (modifiers.middle) { - if (dynamic) { - name = "(" + name + ")==='click'?'mouseup':(" + name + ")"; - } else if (name === 'click') { - name = 'mouseup'; - } - } - - // check capture modifier - if (modifiers.capture) { - delete modifiers.capture; - name = prependModifierMarker('!', name, dynamic); - } - if (modifiers.once) { - delete modifiers.once; - name = prependModifierMarker('~', name, dynamic); - } - /* istanbul ignore if */ - if (modifiers.passive) { - delete modifiers.passive; - name = prependModifierMarker('&', name, dynamic); - } - - var events; - if (modifiers.native) { - delete modifiers.native; - events = el.nativeEvents || (el.nativeEvents = {}); - } else { - events = el.events || (el.events = {}); - } - - var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range); - if (modifiers !== emptyObject) { - newHandler.modifiers = modifiers; - } - - var handlers = events[name]; - /* istanbul ignore if */ - if (Array.isArray(handlers)) { - important ? handlers.unshift(newHandler) : handlers.push(newHandler); - } else if (handlers) { - events[name] = important ? [newHandler, handlers] : [handlers, newHandler]; - } else { - events[name] = newHandler; - } - - el.plain = false; - } - - function getRawBindingAttr ( - el, - name - ) { - return el.rawAttrsMap[':' + name] || - el.rawAttrsMap['v-bind:' + name] || - el.rawAttrsMap[name] - } - - function getBindingAttr ( - el, - name, - getStatic - ) { - var dynamicValue = - getAndRemoveAttr(el, ':' + name) || - getAndRemoveAttr(el, 'v-bind:' + name); - if (dynamicValue != null) { - return parseFilters(dynamicValue) - } else if (getStatic !== false) { - var staticValue = getAndRemoveAttr(el, name); - if (staticValue != null) { - return JSON.stringify(staticValue) - } - } - } - - // note: this only removes the attr from the Array (attrsList) so that it - // doesn't get processed by processAttrs. - // By default it does NOT remove it from the map (attrsMap) because the map is - // needed during codegen. - function getAndRemoveAttr ( - el, - name, - removeFromMap - ) { - var val; - if ((val = el.attrsMap[name]) != null) { - var list = el.attrsList; - for (var i = 0, l = list.length; i < l; i++) { - if (list[i].name === name) { - list.splice(i, 1); - break - } - } - } - if (removeFromMap) { - delete el.attrsMap[name]; - } - return val - } - - function getAndRemoveAttrByRegex ( - el, - name - ) { - var list = el.attrsList; - for (var i = 0, l = list.length; i < l; i++) { - var attr = list[i]; - if (name.test(attr.name)) { - list.splice(i, 1); - return attr - } - } - } - - function rangeSetItem ( - item, - range - ) { - if (range) { - if (range.start != null) { - item.start = range.start; - } - if (range.end != null) { - item.end = range.end; - } - } - return item - } - - /* */ - - /** - * Cross-platform code generation for component v-model - */ - function genComponentModel ( - el, - value, - modifiers - ) { - var ref = modifiers || {}; - var number = ref.number; - var trim = ref.trim; - - var baseValueExpression = '$$v'; - var valueExpression = baseValueExpression; - if (trim) { - valueExpression = - "(typeof " + baseValueExpression + " === 'string'" + - "? " + baseValueExpression + ".trim()" + - ": " + baseValueExpression + ")"; - } - if (number) { - valueExpression = "_n(" + valueExpression + ")"; - } - var assignment = genAssignmentCode(value, valueExpression); - - el.model = { - value: ("(" + value + ")"), - expression: JSON.stringify(value), - callback: ("function (" + baseValueExpression + ") {" + assignment + "}") - }; - } - - /** - * Cross-platform codegen helper for generating v-model value assignment code. - */ - function genAssignmentCode ( - value, - assignment - ) { - var res = parseModel(value); - if (res.key === null) { - return (value + "=" + assignment) - } else { - return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")") - } - } - - /** - * Parse a v-model expression into a base path and a final key segment. - * Handles both dot-path and possible square brackets. - * - * Possible cases: - * - * - test - * - test[key] - * - test[test1[key]] - * - test["a"][key] - * - xxx.test[a[a].test1[key]] - * - test.xxx.a["asa"][test1[key]] - * - */ - - var len, str, chr, index$1, expressionPos, expressionEndPos; - - - - function parseModel (val) { - // Fix https://github.com/vuejs/vue/pull/7730 - // allow v-model="obj.val " (trailing whitespace) - val = val.trim(); - len = val.length; - - if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) { - index$1 = val.lastIndexOf('.'); - if (index$1 > -1) { - return { - exp: val.slice(0, index$1), - key: '"' + val.slice(index$1 + 1) + '"' - } - } else { - return { - exp: val, - key: null - } - } - } - - str = val; - index$1 = expressionPos = expressionEndPos = 0; - - while (!eof()) { - chr = next(); - /* istanbul ignore if */ - if (isStringStart(chr)) { - parseString(chr); - } else if (chr === 0x5B) { - parseBracket(chr); - } - } - - return { - exp: val.slice(0, expressionPos), - key: val.slice(expressionPos + 1, expressionEndPos) - } - } - - function next () { - return str.charCodeAt(++index$1) - } - - function eof () { - return index$1 >= len - } - - function isStringStart (chr) { - return chr === 0x22 || chr === 0x27 - } - - function parseBracket (chr) { - var inBracket = 1; - expressionPos = index$1; - while (!eof()) { - chr = next(); - if (isStringStart(chr)) { - parseString(chr); - continue - } - if (chr === 0x5B) { inBracket++; } - if (chr === 0x5D) { inBracket--; } - if (inBracket === 0) { - expressionEndPos = index$1; - break - } - } - } - - function parseString (chr) { - var stringQuote = chr; - while (!eof()) { - chr = next(); - if (chr === stringQuote) { - break - } - } - } - - /* */ - - var warn$1; - - // in some cases, the event used has to be determined at runtime - // so we used some reserved tokens during compile. - var RANGE_TOKEN = '__r'; - var CHECKBOX_RADIO_TOKEN = '__c'; - - function model ( - el, - dir, - _warn - ) { - warn$1 = _warn; - var value = dir.value; - var modifiers = dir.modifiers; - var tag = el.tag; - var type = el.attrsMap.type; - - { - // inputs with type="file" are read only and setting the input's - // value will throw an error. - if (tag === 'input' && type === 'file') { - warn$1( - "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" + - "File inputs are read only. Use a v-on:change listener instead.", - el.rawAttrsMap['v-model'] - ); - } - } - - if (el.component) { - genComponentModel(el, value, modifiers); - // component v-model doesn't need extra runtime - return false - } else if (tag === 'select') { - genSelect(el, value, modifiers); - } else if (tag === 'input' && type === 'checkbox') { - genCheckboxModel(el, value, modifiers); - } else if (tag === 'input' && type === 'radio') { - genRadioModel(el, value, modifiers); - } else if (tag === 'input' || tag === 'textarea') { - genDefaultModel(el, value, modifiers); - } else if (!config.isReservedTag(tag)) { - genComponentModel(el, value, modifiers); - // component v-model doesn't need extra runtime - return false - } else { - warn$1( - "<" + (el.tag) + " v-model=\"" + value + "\">: " + - "v-model is not supported on this element type. " + - 'If you are working with contenteditable, it\'s recommended to ' + - 'wrap a library dedicated for that purpose inside a custom component.', - el.rawAttrsMap['v-model'] - ); - } - - // ensure runtime directive metadata - return true - } - - function genCheckboxModel ( - el, - value, - modifiers - ) { - var number = modifiers && modifiers.number; - var valueBinding = getBindingAttr(el, 'value') || 'null'; - var trueValueBinding = getBindingAttr(el, 'true-value') || 'true'; - var falseValueBinding = getBindingAttr(el, 'false-value') || 'false'; - addProp(el, 'checked', - "Array.isArray(" + value + ")" + - "?_i(" + value + "," + valueBinding + ")>-1" + ( - trueValueBinding === 'true' - ? (":(" + value + ")") - : (":_q(" + value + "," + trueValueBinding + ")") - ) - ); - addHandler(el, 'change', - "var $$a=" + value + "," + - '$$el=$event.target,' + - "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" + - 'if(Array.isArray($$a)){' + - "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," + - '$$i=_i($$a,$$v);' + - "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" + - "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" + - "}else{" + (genAssignmentCode(value, '$$c')) + "}", - null, true - ); - } - - function genRadioModel ( - el, - value, - modifiers - ) { - var number = modifiers && modifiers.number; - var valueBinding = getBindingAttr(el, 'value') || 'null'; - valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding; - addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")")); - addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true); - } - - function genSelect ( - el, - value, - modifiers - ) { - var number = modifiers && modifiers.number; - var selectedVal = "Array.prototype.filter" + - ".call($event.target.options,function(o){return o.selected})" + - ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" + - "return " + (number ? '_n(val)' : 'val') + "})"; - - var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]'; - var code = "var $$selectedVal = " + selectedVal + ";"; - code = code + " " + (genAssignmentCode(value, assignment)); - addHandler(el, 'change', code, null, true); - } - - function genDefaultModel ( - el, - value, - modifiers - ) { - var type = el.attrsMap.type; - - // warn if v-bind:value conflicts with v-model - // except for inputs with v-bind:type - { - var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value']; - var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type']; - if (value$1 && !typeBinding) { - var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value'; - warn$1( - binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " + - 'because the latter already expands to a value binding internally', - el.rawAttrsMap[binding] - ); - } - } - - var ref = modifiers || {}; - var lazy = ref.lazy; - var number = ref.number; - var trim = ref.trim; - var needCompositionGuard = !lazy && type !== 'range'; - var event = lazy - ? 'change' - : type === 'range' - ? RANGE_TOKEN - : 'input'; - - var valueExpression = '$event.target.value'; - if (trim) { - valueExpression = "$event.target.value.trim()"; - } - if (number) { - valueExpression = "_n(" + valueExpression + ")"; - } - - var code = genAssignmentCode(value, valueExpression); - if (needCompositionGuard) { - code = "if($event.target.composing)return;" + code; - } - - addProp(el, 'value', ("(" + value + ")")); - addHandler(el, event, code, null, true); - if (trim || number) { - addHandler(el, 'blur', '$forceUpdate()'); - } - } - - /* */ - - // normalize v-model event tokens that can only be determined at runtime. - // it's important to place the event as the first in the array because - // the whole point is ensuring the v-model callback gets called before - // user-attached handlers. - function normalizeEvents (on) { - /* istanbul ignore if */ - if (isDef(on[RANGE_TOKEN])) { - // IE input[type=range] only supports `change` event - var event = isIE ? 'change' : 'input'; - on[event] = [].concat(on[RANGE_TOKEN], on[event] || []); - delete on[RANGE_TOKEN]; - } - // This was originally intended to fix #4521 but no longer necessary - // after 2.5. Keeping it for backwards compat with generated code from < 2.4 - /* istanbul ignore if */ - if (isDef(on[CHECKBOX_RADIO_TOKEN])) { - on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []); - delete on[CHECKBOX_RADIO_TOKEN]; - } - } - - var target$1; - - function createOnceHandler$1 (event, handler, capture) { - var _target = target$1; // save current target element in closure - return function onceHandler () { - var res = handler.apply(null, arguments); - if (res !== null) { - remove$2(event, onceHandler, capture, _target); - } - } - } - - // #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp - // implementation and does not fire microtasks in between event propagation, so - // safe to exclude. - var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53); - - function add$1 ( - name, - handler, - capture, - passive - ) { - // async edge case #6566: inner click event triggers patch, event handler - // attached to outer element during patch, and triggered again. This - // happens because browsers fire microtask ticks between event propagation. - // the solution is simple: we save the timestamp when a handler is attached, - // and the handler would only fire if the event passed to it was fired - // AFTER it was attached. - if (useMicrotaskFix) { - var attachedTimestamp = currentFlushTimestamp; - var original = handler; - handler = original._wrapper = function (e) { - if ( - // no bubbling, should always fire. - // this is just a safety net in case event.timeStamp is unreliable in - // certain weird environments... - e.target === e.currentTarget || - // event is fired after handler attachment - e.timeStamp >= attachedTimestamp || - // bail for environments that have buggy event.timeStamp implementations - // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState - // #9681 QtWebEngine event.timeStamp is negative value - e.timeStamp <= 0 || - // #9448 bail if event is fired in another document in a multi-page - // electron/nw.js app, since event.timeStamp will be using a different - // starting reference - e.target.ownerDocument !== document - ) { - return original.apply(this, arguments) - } - }; - } - target$1.addEventListener( - name, - handler, - supportsPassive - ? { capture: capture, passive: passive } - : capture - ); - } - - function remove$2 ( - name, - handler, - capture, - _target - ) { - (_target || target$1).removeEventListener( - name, - handler._wrapper || handler, - capture - ); - } - - function updateDOMListeners (oldVnode, vnode) { - if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) { - return - } - var on = vnode.data.on || {}; - var oldOn = oldVnode.data.on || {}; - target$1 = vnode.elm; - normalizeEvents(on); - updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context); - target$1 = undefined; - } - - var events = { - create: updateDOMListeners, - update: updateDOMListeners - }; - - /* */ - - var svgContainer; - - function updateDOMProps (oldVnode, vnode) { - if (isUndef(oldVnode.data.domProps) && isUndef(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 (isDef(props.__ob__)) { - props = vnode.data.domProps = extend({}, props); - } - - for (key in oldProps) { - if (!(key in props)) { - elm[key] = ''; - } - } - - for (key in props) { - cur = props[key]; - // 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') { - if (vnode.children) { vnode.children.length = 0; } - if (cur === oldProps[key]) { continue } - // #6601 work around Chrome version <= 55 bug where single textNode - // replaced by innerHTML/textContent retains its parentNode property - if (elm.childNodes.length === 1) { - elm.removeChild(elm.childNodes[0]); - } - } - - if (key === 'value' && elm.tagName !== 'PROGRESS') { - // 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 = isUndef(cur) ? '' : String(cur); - if (shouldUpdateValue(elm, strCur)) { - elm.value = strCur; - } - } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) { - // IE doesn't support innerHTML for SVG elements - svgContainer = svgContainer || document.createElement('div'); - svgContainer.innerHTML = "<svg>" + cur + "</svg>"; - var svg = svgContainer.firstChild; - while (elm.firstChild) { - elm.removeChild(elm.firstChild); - } - while (svg.firstChild) { - elm.appendChild(svg.firstChild); - } - } else if ( - // skip the update if old and new VDOM state is the same. - // `value` is handled separately because the DOM value may be temporarily - // out of sync with VDOM state due to focus, composition and modifiers. - // This #4521 by skipping the unnecesarry `checked` update. - cur !== oldProps[key] - ) { - // some property updates can throw - // e.g. `value` on <progress> w/ non-finite value - try { - elm[key] = cur; - } catch (e) {} - } - } - } - - // check platforms/web/util/attrs.js acceptValue - - - function shouldUpdateValue (elm, checkVal) { - return (!elm.composing && ( - elm.tagName === 'OPTION' || - isNotInFocusAndDirty(elm, checkVal) || - isDirtyWithModifiers(elm, checkVal) - )) - } - - function isNotInFocusAndDirty (elm, checkVal) { - // return true when textbox (.number and .trim) loses focus and its value is - // not equal to the updated value - var notInFocus = true; - // #6157 - // work around IE bug when accessing document.activeElement in an iframe - try { notInFocus = document.activeElement !== elm; } catch (e) {} - return notInFocus && elm.value !== checkVal - } - - function isDirtyWithModifiers (elm, newVal) { - var value = elm.value; - var modifiers = elm._vModifiers; // injected by v-model runtime - if (isDef(modifiers)) { - if (modifiers.number) { - return toNumber(value) !== toNumber(newVal) - } - if (modifiers.trim) { - return value.trim() !== newVal.trim() - } - } - return value !== newVal - } - - var domProps = { - create: updateDOMProps, - update: updateDOMProps - }; - - /* */ - - var parseStyleText = cached(function (cssText) { - var res = {}; - var listDelimiter = /;(?![^(]*\))/g; - var propertyDelimiter = /:(.+)/; - cssText.split(listDelimiter).forEach(function (item) { - if (item) { - var tmp = item.split(propertyDelimiter); - tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim()); - } - }); - return res - }); - - // merge static and dynamic style data on the same vnode - function normalizeStyleData (data) { - var style = normalizeStyleBinding(data.style); - // static style is pre-processed into an object during compilation - // and is always a fresh object, so it's safe to merge into it - return data.staticStyle - ? extend(data.staticStyle, style) - : style - } - - // normalize possible array / string values into Object - function normalizeStyleBinding (bindingStyle) { - if (Array.isArray(bindingStyle)) { - return toObject(bindingStyle) - } - if (typeof bindingStyle === 'string') { - return parseStyleText(bindingStyle) - } - return bindingStyle - } - - /** - * parent component style should be after child's - * so that parent component's style could override it - */ - function getStyle (vnode, checkChild) { - var res = {}; - var styleData; - - if (checkChild) { - var childNode = vnode; - while (childNode.componentInstance) { - childNode = childNode.componentInstance._vnode; - if ( - childNode && childNode.data && - (styleData = normalizeStyleData(childNode.data)) - ) { - extend(res, styleData); - } - } - } - - if ((styleData = normalizeStyleData(vnode.data))) { - extend(res, styleData); - } - - var parentNode = vnode; - while ((parentNode = parentNode.parent)) { - if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) { - extend(res, styleData); - } - } - return res - } - - /* */ - - var cssVarRE = /^--/; - var importantRE = /\s*!important$/; - var setProp = function (el, name, val) { - /* istanbul ignore if */ - if (cssVarRE.test(name)) { - el.style.setProperty(name, val); - } else if (importantRE.test(val)) { - el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important'); - } else { - var normalizedName = normalize(name); - if (Array.isArray(val)) { - // Support values array created by autoprefixer, e.g. - // {display: ["-webkit-box", "-ms-flexbox", "flex"]} - // Set them one by one, and the browser will only set those it can recognize - for (var i = 0, len = val.length; i < len; i++) { - el.style[normalizedName] = val[i]; - } - } else { - el.style[normalizedName] = val; - } - } - }; - - var vendorNames = ['Webkit', 'Moz', 'ms']; - - var emptyStyle; - var normalize = cached(function (prop) { - emptyStyle = emptyStyle || document.createElement('div').style; - prop = camelize(prop); - if (prop !== 'filter' && (prop in emptyStyle)) { - return prop - } - var capName = prop.charAt(0).toUpperCase() + prop.slice(1); - for (var i = 0; i < vendorNames.length; i++) { - var name = vendorNames[i] + capName; - if (name in emptyStyle) { - return name - } - } - }); - - function updateStyle (oldVnode, vnode) { - var data = vnode.data; - var oldData = oldVnode.data; - - if (isUndef(data.staticStyle) && isUndef(data.style) && - isUndef(oldData.staticStyle) && isUndef(oldData.style) - ) { - return - } - - var cur, name; - var el = vnode.elm; - var oldStaticStyle = oldData.staticStyle; - var oldStyleBinding = oldData.normalizedStyle || oldData.style || {}; - - // if static style exists, stylebinding already merged into it when doing normalizeStyleData - var oldStyle = oldStaticStyle || oldStyleBinding; - - var style = normalizeStyleBinding(vnode.data.style) || {}; - - // store normalized style under a different key for next diff - // make sure to clone it if it's reactive, since the user likely wants - // to mutate it. - vnode.data.normalizedStyle = isDef(style.__ob__) - ? extend({}, style) - : style; - - var newStyle = getStyle(vnode, true); - - for (name in oldStyle) { - if (isUndef(newStyle[name])) { - setProp(el, name, ''); - } - } - for (name in newStyle) { - cur = newStyle[name]; - if (cur !== oldStyle[name]) { - // ie9 setting to null has no effect, must use empty string - setProp(el, name, cur == null ? '' : cur); - } - } - } - - var style = { - create: updateStyle, - update: updateStyle - }; - - /* */ - - var whitespaceRE = /\s+/; - - /** - * Add class with compatibility for SVG since classList is not supported on - * SVG elements in IE - */ - function addClass (el, cls) { - /* istanbul ignore if */ - if (!cls || !(cls = cls.trim())) { - return - } - - /* istanbul ignore else */ - if (el.classList) { - if (cls.indexOf(' ') > -1) { - cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); }); - } else { - el.classList.add(cls); - } - } else { - var cur = " " + (el.getAttribute('class') || '') + " "; - if (cur.indexOf(' ' + cls + ' ') < 0) { - el.setAttribute('class', (cur + cls).trim()); - } - } - } - - /** - * Remove class with compatibility for SVG since classList is not supported on - * SVG elements in IE - */ - function removeClass (el, cls) { - /* istanbul ignore if */ - if (!cls || !(cls = cls.trim())) { - return - } - - /* istanbul ignore else */ - if (el.classList) { - if (cls.indexOf(' ') > -1) { - cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); }); - } else { - el.classList.remove(cls); - } - if (!el.classList.length) { - el.removeAttribute('class'); - } - } else { - var cur = " " + (el.getAttribute('class') || '') + " "; - var tar = ' ' + cls + ' '; - while (cur.indexOf(tar) >= 0) { - cur = cur.replace(tar, ' '); - } - cur = cur.trim(); - if (cur) { - el.setAttribute('class', cur); - } else { - el.removeAttribute('class'); - } - } - } - - /* */ - - 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$$1.name || 'v')); - } - extend(res, def$$1); - return res - } else if (typeof def$$1 === 'string') { - return autoCssTransition(def$$1) - } - } - - var autoCssTransition = cached(function (name) { - return { - enterClass: (name + "-enter"), - enterToClass: (name + "-enter-to"), - enterActiveClass: (name + "-enter-active"), - leaveClass: (name + "-leave"), - leaveToClass: (name + "-leave-to"), - leaveActiveClass: (name + "-leave-active") - } - }); - - var hasTransition = inBrowser && !isIE9; - var TRANSITION = 'transition'; - var ANIMATION = 'animation'; - - // 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'; - } - } - - // binding to window is necessary to make hot reload work in IE in strict mode - var raf = inBrowser - ? window.requestAnimationFrame - ? window.requestAnimationFrame.bind(window) - : setTimeout - : /* istanbul ignore next */ function (fn) { return fn(); }; - - function nextFrame (fn) { - raf(function () { - raf(fn); - }); - } - - function addTransitionClass (el, cls) { - var transitionClasses = el._transitionClasses || (el._transitionClasses = []); - if (transitionClasses.indexOf(cls) < 0) { - transitionClasses.push(cls); - addClass(el, cls); - } - } - - function removeTransitionClass (el, cls) { - if (el._transitionClasses) { - remove(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(); - }; - 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); - // JSDOM may return undefined for transition properties - var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', '); - var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', '); - var transitionTimeout = getTimeout(transitionDelays, 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) { - /* istanbul ignore next */ - while (delays.length < durations.length) { - delays = delays.concat(delays); - } - - return Math.max.apply(null, durations.map(function (d, i) { - return toMs(d) + toMs(delays[i]) - })) - } - - // Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers - // in a locale-dependent way, using a comma instead of a dot. - // If comma is not replaced with a dot, the input will be rounded down (i.e. acting - // as a floor function) causing unexpected behaviors - function toMs (s) { - return Number(s.slice(0, -1).replace(',', '.')) * 1000 - } - - /* */ - - function enter (vnode, toggleDisplay) { - var el = vnode.elm; - - // call leave callback now - if (isDef(el._leaveCb)) { - el._leaveCb.cancelled = true; - el._leaveCb(); - } - - var data = resolveTransition(vnode.data.transition); - if (isUndef(data)) { - return - } - - /* istanbul ignore if */ - if (isDef(el._enterCb) || el.nodeType !== 1) { - return - } - - var css = data.css; - var type = data.type; - var enterClass = data.enterClass; - var enterToClass = data.enterToClass; - var enterActiveClass = data.enterActiveClass; - var appearClass = data.appearClass; - var appearToClass = data.appearToClass; - 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; - var duration = data.duration; - - // activeInstance will always be the <transition> component managing this - // transition. One edge case to check is when the <transition> is placed - // as the root node of a child component. In that case we need to check - // <transition>'s parent for appear check. - var context = activeInstance; - var transitionNode = activeInstance.$vnode; - while (transitionNode && transitionNode.parent) { - context = transitionNode.context; - transitionNode = transitionNode.parent; - } - - var isAppear = !context._isMounted || !vnode.isRootInsert; - - if (isAppear && !appear && appear !== '') { - return - } - - var startClass = isAppear && appearClass - ? appearClass - : enterClass; - var activeClass = isAppear && appearActiveClass - ? appearActiveClass - : enterActiveClass; - var toClass = isAppear && appearToClass - ? appearToClass - : enterToClass; - - 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 explicitEnterDuration = toNumber( - isObject(duration) - ? duration.enter - : duration - ); - - if (explicitEnterDuration != null) { - checkDuration(explicitEnterDuration, 'enter', vnode); - } - - var expectsCSS = css !== false && !isIE9; - var userWantsControl = getHookArgumentsLength(enterHook); - - var cb = el._enterCb = once(function () { - if (expectsCSS) { - removeTransitionClass(el, toClass); - removeTransitionClass(el, activeClass); - } - if (cb.cancelled) { - if (expectsCSS) { - removeTransitionClass(el, startClass); - } - enterCancelledHook && enterCancelledHook(el); - } else { - afterEnterHook && afterEnterHook(el); - } - el._enterCb = null; - }); - - if (!vnode.data.show) { - // remove pending leave element on enter by injecting an insert hook - mergeVNodeHook(vnode, '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); - }); - } - - // start enter transition - beforeEnterHook && beforeEnterHook(el); - if (expectsCSS) { - addTransitionClass(el, startClass); - addTransitionClass(el, activeClass); - nextFrame(function () { - removeTransitionClass(el, startClass); - if (!cb.cancelled) { - addTransitionClass(el, toClass); - if (!userWantsControl) { - if (isValidDuration(explicitEnterDuration)) { - setTimeout(cb, explicitEnterDuration); - } else { - whenTransitionEnds(el, type, cb); - } - } - } - }); - } - - if (vnode.data.show) { - toggleDisplay && toggleDisplay(); - enterHook && enterHook(el, cb); - } - - if (!expectsCSS && !userWantsControl) { - cb(); - } - } - - function leave (vnode, rm) { - var el = vnode.elm; - - // call enter callback now - if (isDef(el._enterCb)) { - el._enterCb.cancelled = true; - el._enterCb(); - } - - var data = resolveTransition(vnode.data.transition); - if (isUndef(data) || el.nodeType !== 1) { - return rm() - } - - /* istanbul ignore if */ - if (isDef(el._leaveCb)) { - return - } - - var css = data.css; - var type = data.type; - var leaveClass = data.leaveClass; - var leaveToClass = data.leaveToClass; - 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 duration = data.duration; - - var expectsCSS = css !== false && !isIE9; - var userWantsControl = getHookArgumentsLength(leave); - - var explicitLeaveDuration = toNumber( - isObject(duration) - ? duration.leave - : duration - ); - - if (isDef(explicitLeaveDuration)) { - checkDuration(explicitLeaveDuration, 'leave', vnode); - } - - var cb = el._leaveCb = once(function () { - if (el.parentNode && el.parentNode._pending) { - el.parentNode._pending[vnode.key] = null; - } - if (expectsCSS) { - removeTransitionClass(el, leaveToClass); - removeTransitionClass(el, leaveActiveClass); - } - if (cb.cancelled) { - if (expectsCSS) { - removeTransitionClass(el, leaveClass); - } - leaveCancelled && leaveCancelled(el); - } else { - rm(); - afterLeave && afterLeave(el); - } - el._leaveCb = null; - }); - - if (delayLeave) { - delayLeave(performLeave); - } else { - performLeave(); - } - - function performLeave () { - // the delayed leave may have already been cancelled - if (cb.cancelled) { - return - } - // record leaving element - if (!vnode.data.show && el.parentNode) { - (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) { - addTransitionClass(el, leaveToClass); - if (!userWantsControl) { - if (isValidDuration(explicitLeaveDuration)) { - setTimeout(cb, explicitLeaveDuration); - } else { - whenTransitionEnds(el, type, cb); - } - } - } - }); - } - leave && leave(el, cb); - if (!expectsCSS && !userWantsControl) { - cb(); - } - } - } - - // only used in dev mode - function checkDuration (val, name, vnode) { - if (typeof val !== 'number') { - warn( - "<transition> explicit " + name + " duration is not a valid number - " + - "got " + (JSON.stringify(val)) + ".", - vnode.context - ); - } else if (isNaN(val)) { - warn( - "<transition> explicit " + name + " duration is NaN - " + - 'the duration expression might be incorrect.', - vnode.context - ); - } - } - - function isValidDuration (val) { - return typeof val === 'number' && !isNaN(val) - } - - /** - * Normalize a transition hook's argument length. The hook may be: - * - a merged hook (invoker) with the original in .fns - * - a wrapped component method (check ._length) - * - a plain function (.length) - */ - function getHookArgumentsLength (fn) { - if (isUndef(fn)) { - return false - } - var invokerFns = fn.fns; - if (isDef(invokerFns)) { - // invoker - return getHookArgumentsLength( - Array.isArray(invokerFns) - ? invokerFns[0] - : invokerFns - ) - } else { - return (fn._length || fn.length) > 1 - } - } - - function _enter (_, vnode) { - if (vnode.data.show !== true) { - enter(vnode); - } - } - - var transition = inBrowser ? { - create: _enter, - activate: _enter, - remove: function remove$$1 (vnode, rm) { - /* istanbul ignore else */ - if (vnode.data.show !== true) { - leave(vnode, rm); - } else { - rm(); - } - } - } : {}; - - var platformModules = [ - attrs, - klass, - events, - domProps, - style, - transition - ]; - - /* */ - - // the directive module should be applied last, after all - // built-in modules have been applied. - var modules = platformModules.concat(baseModules); - - var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules }); - - /** - * Not type checking this file because flow doesn't like attaching - * properties to Elements. - */ - - /* istanbul ignore if */ - if (isIE9) { - // http://www.matts411.com/post/internet-explorer-9-oninput/ - document.addEventListener('selectionchange', function () { - var el = document.activeElement; - if (el && el.vmodel) { - trigger(el, 'input'); - } - }); - } - - var directive = { - inserted: function inserted (el, binding, vnode, oldVnode) { - if (vnode.tag === 'select') { - // #6903 - if (oldVnode.elm && !oldVnode.elm._vOptions) { - mergeVNodeHook(vnode, 'postpatch', function () { - directive.componentUpdated(el, binding, vnode); - }); - } else { - setSelected(el, binding, vnode.context); - } - el._vOptions = [].map.call(el.options, getValue); - } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) { - el._vModifiers = binding.modifiers; - if (!binding.modifiers.lazy) { - el.addEventListener('compositionstart', onCompositionStart); - el.addEventListener('compositionend', onCompositionEnd); - // Safari < 10.2 & UIWebView doesn't fire compositionend when - // switching focus before confirming composition choice - // this also fixes the issue where some browsers e.g. iOS Chrome - // fires "change" instead of "input" on autocomplete. - el.addEventListener('change', onCompositionEnd); - /* istanbul ignore if */ - if (isIE9) { - el.vmodel = true; - } - } - } - }, - - componentUpdated: function componentUpdated (el, binding, vnode) { - if (vnode.tag === 'select') { - setSelected(el, binding, vnode.context); - // in case the options rendered by v-for have changed, - // it's possible that the value is out-of-sync with the rendered options. - // detect such cases and filter out values that no longer has a matching - // option in the DOM. - var prevOptions = el._vOptions; - var curOptions = el._vOptions = [].map.call(el.options, getValue); - if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) { - // trigger change event if - // no matching option found for at least one value - var needReset = el.multiple - ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); }) - : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions); - if (needReset) { - trigger(el, 'change'); - } - } - } - } - }; - - function setSelected (el, binding, vm) { - actuallySetSelected(el, binding, vm); - /* istanbul ignore if */ - if (isIE || isEdge) { - setTimeout(function () { - actuallySetSelected(el, binding, vm); - }, 0); - } - } - - function actuallySetSelected (el, binding, vm) { - var value = binding.value; - var isMultiple = el.multiple; - if (isMultiple && !Array.isArray(value)) { - warn( - "<select multiple v-model=\"" + (binding.expression) + "\"> " + - "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)), - vm - ); - return - } - var selected, option; - for (var i = 0, l = el.options.length; i < l; i++) { - option = el.options[i]; - if (isMultiple) { - selected = looseIndexOf(value, getValue(option)) > -1; - if (option.selected !== selected) { - option.selected = selected; - } - } else { - if (looseEqual(getValue(option), value)) { - if (el.selectedIndex !== i) { - el.selectedIndex = i; - } - return - } - } - } - if (!isMultiple) { - el.selectedIndex = -1; - } - } - - function hasNoMatchingOption (value, options) { - return options.every(function (o) { return !looseEqual(o, value); }) - } - - function getValue (option) { - return '_value' in option - ? option._value - : option.value - } - - function onCompositionStart (e) { - e.target.composing = true; - } - - function onCompositionEnd (e) { - // prevent triggering an input event for no reason - if (!e.target.composing) { return } - e.target.composing = false; - trigger(e.target, 'input'); - } - - function trigger (el, type) { - var e = document.createEvent('HTMLEvents'); - e.initEvent(type, true, true); - el.dispatchEvent(e); - } - - /* */ - - // recursively search for possible transition defined inside the component root - function locateNode (vnode) { - return vnode.componentInstance && (!vnode.data || !vnode.data.transition) - ? locateNode(vnode.componentInstance._vnode) - : vnode - } - - var show = { - bind: function bind (el, ref, vnode) { - var value = ref.value; - - vnode = locateNode(vnode); - var transition$$1 = vnode.data && vnode.data.transition; - var originalDisplay = el.__vOriginalDisplay = - el.style.display === 'none' ? '' : el.style.display; - if (value && transition$$1) { - vnode.data.show = true; - enter(vnode, function () { - el.style.display = originalDisplay; - }); - } else { - el.style.display = value ? originalDisplay : 'none'; - } - }, - - update: function update (el, ref, vnode) { - var value = ref.value; - var oldValue = ref.oldValue; - - /* istanbul ignore if */ - if (!value === !oldValue) { return } - vnode = locateNode(vnode); - var transition$$1 = vnode.data && vnode.data.transition; - if (transition$$1) { - vnode.data.show = true; - if (value) { - enter(vnode, function () { - el.style.display = el.__vOriginalDisplay; - }); - } else { - leave(vnode, function () { - el.style.display = 'none'; - }); - } - } else { - el.style.display = value ? el.__vOriginalDisplay : 'none'; - } - }, - - unbind: function unbind ( - el, - binding, - vnode, - oldVnode, - isDestroy - ) { - if (!isDestroy) { - el.style.display = el.__vOriginalDisplay; - } - } - }; - - var platformDirectives = { - model: directive, - show: show - }; - - /* */ - - var transitionProps = { - name: String, - appear: Boolean, - css: Boolean, - mode: String, - type: String, - enterClass: String, - leaveClass: String, - enterToClass: String, - leaveToClass: String, - enterActiveClass: String, - leaveActiveClass: String, - appearClass: String, - appearActiveClass: String, - appearToClass: String, - duration: [Number, String, Object] - }; - - // in case the child is also an abstract component, e.g. <keep-alive> - // we want to recursively retrieve the real component to be rendered - function getRealChild (vnode) { - var compOptions = vnode && vnode.componentOptions; - if (compOptions && compOptions.Ctor.options.abstract) { - return getRealChild(getFirstComponentChild(compOptions.children)) - } else { - return vnode - } - } - - function extractTransitionData (comp) { - var data = {}; - var options = comp.$options; - // props - for (var key in options.propsData) { - data[key] = comp[key]; - } - // events. - // extract listeners and pass them directly to the transition methods - var listeners = options._parentListeners; - for (var key$1 in listeners) { - data[camelize(key$1)] = listeners[key$1]; - } - return data - } - - function placeholder (h, rawChild) { - if (/\d-keep-alive$/.test(rawChild.tag)) { - return h('keep-alive', { - props: rawChild.componentOptions.propsData - }) - } - } - - function hasParentTransition (vnode) { - while ((vnode = vnode.parent)) { - if (vnode.data.transition) { - return true - } - } - } - - function isSameChild (child, oldChild) { - return oldChild.key === child.key && oldChild.tag === child.tag - } - - var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); }; - - var isVShowDirective = function (d) { return d.name === 'show'; }; - - var Transition = { - name: 'transition', - props: transitionProps, - abstract: true, - - render: function render (h) { - var this$1 = this; - - var children = this.$slots.default; - if (!children) { - return - } - - // filter out text nodes (possible whitespaces) - children = children.filter(isNotTextNode); - /* istanbul ignore if */ - if (!children.length) { - return - } - - // warn multiple elements - if (children.length > 1) { - warn( - '<transition> can only be used on a single element. Use ' + - '<transition-group> for lists.', - this.$parent - ); - } - - var mode = this.mode; - - // warn invalid mode - if (mode && mode !== 'in-out' && mode !== 'out-in' - ) { - warn( - 'invalid <transition> mode: ' + mode, - this.$parent - ); - } - - var rawChild = children[0]; - - // if this is a component root node and the component's - // parent container node also has transition, skip. - if (hasParentTransition(this.$vnode)) { - return rawChild - } - - // apply transition data to child - // use getRealChild() to ignore abstract components e.g. keep-alive - var child = getRealChild(rawChild); - /* istanbul ignore if */ - if (!child) { - return rawChild - } - - if (this._leaving) { - return placeholder(h, rawChild) - } - - // ensure a key that is unique to the vnode type and to this transition - // component instance. This key will be used to remove pending leaving nodes - // during entering. - var id = "__transition-" + (this._uid) + "-"; - child.key = child.key == null - ? child.isComment - ? id + 'comment' - : id + child.tag - : isPrimitive(child.key) - ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key) - : child.key; - - var data = (child.data || (child.data = {})).transition = extractTransitionData(this); - var oldRawChild = this._vnode; - var oldChild = getRealChild(oldRawChild); - - // mark v-show - // so that the transition module can hand over the control to the directive - if (child.data.directives && child.data.directives.some(isVShowDirective)) { - child.data.show = true; - } - - if ( - oldChild && - oldChild.data && - !isSameChild(child, oldChild) && - !isAsyncPlaceholder(oldChild) && - // #6687 component root is a comment node - !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment) - ) { - // replace old child transition data with fresh one - // important for dynamic transitions! - var oldData = oldChild.data.transition = extend({}, data); - // handle transition mode - if (mode === 'out-in') { - // return placeholder node and queue update when leave finishes - this._leaving = true; - mergeVNodeHook(oldData, 'afterLeave', function () { - this$1._leaving = false; - this$1.$forceUpdate(); - }); - return placeholder(h, rawChild) - } else if (mode === 'in-out') { - if (isAsyncPlaceholder(child)) { - return oldRawChild - } - var delayedLeave; - var performLeave = function () { delayedLeave(); }; - mergeVNodeHook(data, 'afterEnter', performLeave); - mergeVNodeHook(data, 'enterCancelled', performLeave); - mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; }); - } - } - - return rawChild - } - }; - - /* */ - - var props = extend({ - tag: String, - moveClass: String - }, transitionProps); - - delete props.mode; - - var TransitionGroup = { - props: props, - - beforeMount: function beforeMount () { - var this$1 = this; - - var update = this._update; - this._update = function (vnode, hydrating) { - var restoreActiveInstance = setActiveInstance(this$1); - // force removing pass - this$1.__patch__( - this$1._vnode, - this$1.kept, - false, // hydrating - true // removeOnly (!important, avoids unnecessary moves) - ); - this$1._vnode = this$1.kept; - restoreActiveInstance(); - update.call(this$1, vnode, hydrating); - }; - }, - - render: function render (h) { - var tag = this.tag || this.$vnode.data.tag || 'span'; - var map = Object.create(null); - var prevChildren = this.prevChildren = this.children; - var rawChildren = this.$slots.default || []; - var children = this.children = []; - var transitionData = extractTransitionData(this); - - for (var i = 0; i < rawChildren.length; i++) { - var c = rawChildren[i]; - if (c.tag) { - if (c.key != null && String(c.key).indexOf('__vlist') !== 0) { - children.push(c); - map[c.key] = c - ;(c.data || (c.data = {})).transition = transitionData; - } else { - var opts = c.componentOptions; - var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag; - warn(("<transition-group> children must be keyed: <" + name + ">")); - } - } - } - - if (prevChildren) { - var kept = []; - var removed = []; - for (var i$1 = 0; i$1 < prevChildren.length; i$1++) { - var c$1 = prevChildren[i$1]; - c$1.data.transition = transitionData; - c$1.data.pos = c$1.elm.getBoundingClientRect(); - if (map[c$1.key]) { - kept.push(c$1); - } else { - removed.push(c$1); - } - } - this.kept = h(tag, null, kept); - this.removed = removed; - } - - return h(tag, null, children) - }, - - updated: function updated () { - var children = this.prevChildren; - var moveClass = this.moveClass || ((this.name || 'v') + '-move'); - if (!children.length || !this.hasMove(children[0].elm, moveClass)) { - return - } - - // we divide the work into three loops to avoid mixing DOM reads and writes - // in each iteration - which helps prevent layout thrashing. - children.forEach(callPendingCbs); - children.forEach(recordPosition); - children.forEach(applyTranslation); - - // force reflow to put everything in position - // assign to this to avoid being removed in tree-shaking - // $flow-disable-line - this._reflow = document.body.offsetHeight; - - children.forEach(function (c) { - if (c.data.moved) { - var el = c.elm; - var s = el.style; - addTransitionClass(el, moveClass); - s.transform = s.WebkitTransform = s.transitionDuration = ''; - el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) { - if (e && e.target !== el) { - return - } - if (!e || /transform$/.test(e.propertyName)) { - el.removeEventListener(transitionEndEvent, cb); - el._moveCb = null; - removeTransitionClass(el, moveClass); - } - }); - } - }); - }, - - methods: { - hasMove: function hasMove (el, moveClass) { - /* istanbul ignore if */ - if (!hasTransition) { - return false - } - /* istanbul ignore if */ - if (this._hasMove) { - return this._hasMove - } - // Detect whether an element with the move class applied has - // CSS transitions. Since the element may be inside an entering - // transition at this very moment, we make a clone of it and remove - // all other transition classes applied to ensure only the move class - // is applied. - var clone = el.cloneNode(); - if (el._transitionClasses) { - el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); }); - } - addClass(clone, moveClass); - clone.style.display = 'none'; - this.$el.appendChild(clone); - var info = getTransitionInfo(clone); - this.$el.removeChild(clone); - return (this._hasMove = info.hasTransform) - } - } - }; - - function callPendingCbs (c) { - /* istanbul ignore if */ - if (c.elm._moveCb) { - c.elm._moveCb(); - } - /* istanbul ignore if */ - if (c.elm._enterCb) { - c.elm._enterCb(); - } - } - - function recordPosition (c) { - c.data.newPos = c.elm.getBoundingClientRect(); - } - - function applyTranslation (c) { - var oldPos = c.data.pos; - var newPos = c.data.newPos; - var dx = oldPos.left - newPos.left; - var dy = oldPos.top - newPos.top; - if (dx || dy) { - c.data.moved = true; - var s = c.elm.style; - s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)"; - s.transitionDuration = '0s'; - } - } - - var platformComponents = { - Transition: Transition, - TransitionGroup: TransitionGroup - }; - - /* */ - - // install platform specific utils - Vue.config.mustUseProp = mustUseProp; - Vue.config.isReservedTag = isReservedTag; - Vue.config.isReservedAttr = isReservedAttr; - Vue.config.getTagNamespace = getTagNamespace; - Vue.config.isUnknownElement = isUnknownElement; - - // install platform runtime directives & components - extend(Vue.options.directives, platformDirectives); - extend(Vue.options.components, platformComponents); - - // install platform patch function - Vue.prototype.__patch__ = inBrowser ? patch : noop; - - // public mount method - Vue.prototype.$mount = function ( - el, - hydrating - ) { - el = el && inBrowser ? query(el) : undefined; - return mountComponent(this, el, hydrating) - }; - - // devtools global hook - /* istanbul ignore next */ - if (inBrowser) { - setTimeout(function () { - if (config.devtools) { - if (devtools) { - devtools.emit('init', Vue); - } else { - console[console.info ? 'info' : 'log']( - 'Download the Vue Devtools extension for a better development experience:\n' + - 'https://github.com/vuejs/vue-devtools' - ); - } - } - if (config.productionTip !== false && - typeof console !== 'undefined' - ) { - console[console.info ? 'info' : 'log']( - "You are running Vue in development mode.\n" + - "Make sure to turn on production mode when deploying for production.\n" + - "See more tips at https://vuejs.org/guide/deployment.html" - ); - } - }, 0); - } - - /* */ - - var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g; - var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g; - - var buildRegex = cached(function (delimiters) { - var open = delimiters[0].replace(regexEscapeRE, '\\$&'); - var close = delimiters[1].replace(regexEscapeRE, '\\$&'); - return new RegExp(open + '((?:.|\\n)+?)' + close, 'g') - }); - - - - function parseText ( - text, - delimiters - ) { - var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE; - if (!tagRE.test(text)) { - return - } - var tokens = []; - var rawTokens = []; - var lastIndex = tagRE.lastIndex = 0; - var match, index, tokenValue; - while ((match = tagRE.exec(text))) { - index = match.index; - // push text token - if (index > lastIndex) { - rawTokens.push(tokenValue = text.slice(lastIndex, index)); - tokens.push(JSON.stringify(tokenValue)); - } - // tag token - var exp = parseFilters(match[1].trim()); - tokens.push(("_s(" + exp + ")")); - rawTokens.push({ '@binding': exp }); - lastIndex = index + match[0].length; - } - if (lastIndex < text.length) { - rawTokens.push(tokenValue = text.slice(lastIndex)); - tokens.push(JSON.stringify(tokenValue)); - } - return { - expression: tokens.join('+'), - tokens: rawTokens - } - } - - /* */ - - function transformNode (el, options) { - var warn = options.warn || baseWarn; - var staticClass = getAndRemoveAttr(el, 'class'); - if (staticClass) { - var res = parseText(staticClass, options.delimiters); - if (res) { - warn( - "class=\"" + staticClass + "\": " + - 'Interpolation inside attributes has been removed. ' + - 'Use v-bind or the colon shorthand instead. For example, ' + - 'instead of <div class="{{ val }}">, use <div :class="val">.', - el.rawAttrsMap['class'] - ); - } - } - if (staticClass) { - el.staticClass = JSON.stringify(staticClass); - } - var classBinding = getBindingAttr(el, 'class', false /* getStatic */); - if (classBinding) { - el.classBinding = classBinding; - } - } - - function genData (el) { - var data = ''; - if (el.staticClass) { - data += "staticClass:" + (el.staticClass) + ","; - } - if (el.classBinding) { - data += "class:" + (el.classBinding) + ","; - } - return data - } - - var klass$1 = { - staticKeys: ['staticClass'], - transformNode: transformNode, - genData: genData - }; - - /* */ - - function transformNode$1 (el, options) { - var warn = options.warn || baseWarn; - var staticStyle = getAndRemoveAttr(el, 'style'); - if (staticStyle) { - /* istanbul ignore if */ - { - var res = parseText(staticStyle, options.delimiters); - if (res) { - warn( - "style=\"" + staticStyle + "\": " + - 'Interpolation inside attributes has been removed. ' + - 'Use v-bind or the colon shorthand instead. For example, ' + - 'instead of <div style="{{ val }}">, use <div :style="val">.', - el.rawAttrsMap['style'] - ); - } - } - el.staticStyle = JSON.stringify(parseStyleText(staticStyle)); - } - - var styleBinding = getBindingAttr(el, 'style', false /* getStatic */); - if (styleBinding) { - el.styleBinding = styleBinding; - } - } - - function genData$1 (el) { - var data = ''; - if (el.staticStyle) { - data += "staticStyle:" + (el.staticStyle) + ","; - } - if (el.styleBinding) { - data += "style:(" + (el.styleBinding) + "),"; - } - return data - } - - var style$1 = { - staticKeys: ['staticStyle'], - transformNode: transformNode$1, - genData: genData$1 - }; - - /* */ - - var decoder; - - var he = { - decode: function decode (html) { - decoder = decoder || document.createElement('div'); - decoder.innerHTML = html; - return decoder.textContent - } - }; - - /* */ - - var isUnaryTag = makeMap( - 'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + - 'link,meta,param,source,track,wbr' - ); - - // 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' - ); - - // 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' - ); - - /** - * Not type-checking this file because it's mostly vendor code. - */ - - // Regular Expressions for parsing tags and attributes - var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/; - var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/; - var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*"; - var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")"; - var startTagOpen = new RegExp(("^<" + qnameCapture)); - var startTagClose = /^\s*(\/?)>/; - var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>")); - var doctype = /^<!DOCTYPE [^>]+>/i; - // #7298: escape - to avoid being pased as HTML comment when inlined in page - var comment = /^<!\--/; - var conditionalComment = /^<!\[/; - - // Special Elements (can contain anything) - var isPlainTextElement = makeMap('script,style,textarea', true); - var reCache = {}; - - var decodingMap = { - '<': '<', - '>': '>', - '"': '"', - '&': '&', - ' ': '\n', - '	': '\t', - ''': "'" - }; - var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g; - var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g; - - // #5992 - var isIgnoreNewlineTag = makeMap('pre,textarea', true); - var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; }; - - function decodeAttr (value, shouldDecodeNewlines) { - var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr; - return value.replace(re, function (match) { return decodingMap[match]; }) - } - - function parseHTML (html, options) { - var stack = []; - var expectHTML = options.expectHTML; - var isUnaryTag$$1 = options.isUnaryTag || no; - var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no; - var index = 0; - var last, lastTag; - while (html) { - last = html; - // Make sure we're not in a plaintext content element like script/style - if (!lastTag || !isPlainTextElement(lastTag)) { - var textEnd = html.indexOf('<'); - if (textEnd === 0) { - // Comment: - if (comment.test(html)) { - var commentEnd = html.indexOf('-->'); - - if (commentEnd >= 0) { - if (options.shouldKeepComment) { - options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3); - } - advance(commentEnd + 3); - continue - } - } - - // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment - if (conditionalComment.test(html)) { - var conditionalEnd = html.indexOf(']>'); - - if (conditionalEnd >= 0) { - advance(conditionalEnd + 2); - continue - } - } - - // Doctype: - var doctypeMatch = html.match(doctype); - if (doctypeMatch) { - advance(doctypeMatch[0].length); - continue - } - - // End tag: - var endTagMatch = html.match(endTag); - if (endTagMatch) { - var curIndex = index; - advance(endTagMatch[0].length); - parseEndTag(endTagMatch[1], curIndex, index); - continue - } - - // Start tag: - var startTagMatch = parseStartTag(); - if (startTagMatch) { - handleStartTag(startTagMatch); - if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) { - advance(1); - } - continue - } - } - - var text = (void 0), rest = (void 0), next = (void 0); - if (textEnd >= 0) { - rest = html.slice(textEnd); - while ( - !endTag.test(rest) && - !startTagOpen.test(rest) && - !comment.test(rest) && - !conditionalComment.test(rest) - ) { - // < in plain text, be forgiving and treat it as text - next = rest.indexOf('<', 1); - if (next < 0) { break } - textEnd += next; - rest = html.slice(textEnd); - } - text = html.substring(0, textEnd); - } - - if (textEnd < 0) { - text = html; - } - - if (text) { - advance(text.length); - } - - if (options.chars && text) { - options.chars(text, index - text.length, index); - } - } else { - var endTagLength = 0; - var stackedTag = lastTag.toLowerCase(); - var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i')); - var rest$1 = html.replace(reStackedTag, function (all, text, endTag) { - endTagLength = endTag.length; - if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') { - text = text - .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298 - .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1'); - } - if (shouldIgnoreFirstNewline(stackedTag, text)) { - text = text.slice(1); - } - if (options.chars) { - options.chars(text); - } - return '' - }); - index += html.length - rest$1.length; - html = rest$1; - parseEndTag(stackedTag, index - endTagLength, index); - } - - if (html === last) { - options.chars && options.chars(html); - if (!stack.length && options.warn) { - options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length }); - } - break - } - } - - // Clean up any remaining tags - parseEndTag(); - - function advance (n) { - index += n; - html = html.substring(n); - } - - function parseStartTag () { - var start = html.match(startTagOpen); - if (start) { - var match = { - tagName: start[1], - attrs: [], - start: index - }; - advance(start[0].length); - var end, attr; - while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) { - attr.start = index; - advance(attr[0].length); - attr.end = index; - match.attrs.push(attr); - } - if (end) { - match.unarySlash = end[1]; - advance(end[0].length); - match.end = index; - return match - } - } - } - - function handleStartTag (match) { - var tagName = match.tagName; - var unarySlash = match.unarySlash; - - if (expectHTML) { - if (lastTag === 'p' && isNonPhrasingTag(tagName)) { - parseEndTag(lastTag); - } - if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) { - parseEndTag(tagName); - } - } - - var unary = isUnaryTag$$1(tagName) || !!unarySlash; - - var l = match.attrs.length; - var attrs = new Array(l); - for (var i = 0; i < l; i++) { - var args = match.attrs[i]; - var value = args[3] || args[4] || args[5] || ''; - var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href' - ? options.shouldDecodeNewlinesForHref - : options.shouldDecodeNewlines; - attrs[i] = { - name: args[1], - value: decodeAttr(value, shouldDecodeNewlines) - }; - if (options.outputSourceRange) { - attrs[i].start = args.start + args[0].match(/^\s*/).length; - attrs[i].end = args.end; - } - } - - if (!unary) { - stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end }); - lastTag = tagName; - } - - if (options.start) { - options.start(tagName, attrs, unary, match.start, match.end); - } - } - - function parseEndTag (tagName, start, end) { - var pos, lowerCasedTagName; - if (start == null) { start = index; } - if (end == null) { end = index; } - - // Find the closest opened tag of the same type - if (tagName) { - lowerCasedTagName = tagName.toLowerCase(); - for (pos = stack.length - 1; pos >= 0; pos--) { - if (stack[pos].lowerCasedTag === lowerCasedTagName) { - break - } - } - } else { - // If no tag name is provided, clean shop - pos = 0; - } - - if (pos >= 0) { - // Close all the open elements, up the stack - for (var i = stack.length - 1; i >= pos; i--) { - if (i > pos || !tagName && - options.warn - ) { - options.warn( - ("tag <" + (stack[i].tag) + "> has no matching end tag."), - { start: stack[i].start, end: stack[i].end } - ); - } - if (options.end) { - options.end(stack[i].tag, start, end); - } - } - - // Remove the open elements from the stack - stack.length = pos; - lastTag = pos && stack[pos - 1].tag; - } else if (lowerCasedTagName === 'br') { - if (options.start) { - options.start(tagName, [], true, start, end); - } - } else if (lowerCasedTagName === 'p') { - if (options.start) { - options.start(tagName, [], false, start, end); - } - if (options.end) { - options.end(tagName, start, end); - } - } - } - } - - /* */ - - var onRE = /^@|^v-on:/; - var dirRE = /^v-|^@|^:/; - var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/; - var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/; - var stripParensRE = /^\(|\)$/g; - var dynamicArgRE = /^\[.*\]$/; - - var argRE = /:(.*)$/; - var bindRE = /^:|^\.|^v-bind:/; - var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g; - - var slotRE = /^v-slot(:|$)|^#/; - - var lineBreakRE = /[\r\n]/; - var whitespaceRE$1 = /\s+/g; - - var invalidAttributeRE = /[\s"'<>\/=]/; - - var decodeHTMLCached = cached(he.decode); - - var emptySlotScopeToken = "_empty_"; - - // configurable state - var warn$2; - var delimiters; - var transforms; - var preTransforms; - var postTransforms; - var platformIsPreTag; - var platformMustUseProp; - var platformGetTagNamespace; - var maybeComponent; - - function createASTElement ( - tag, - attrs, - parent - ) { - return { - type: 1, - tag: tag, - attrsList: attrs, - attrsMap: makeAttrsMap(attrs), - rawAttrsMap: {}, - parent: parent, - children: [] - } - } - - /** - * Convert HTML string to AST. - */ - function parse ( - template, - options - ) { - warn$2 = options.warn || baseWarn; - - platformIsPreTag = options.isPreTag || no; - platformMustUseProp = options.mustUseProp || no; - platformGetTagNamespace = options.getTagNamespace || no; - var isReservedTag = options.isReservedTag || no; - maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); }; - - transforms = pluckModuleFunction(options.modules, 'transformNode'); - preTransforms = pluckModuleFunction(options.modules, 'preTransformNode'); - postTransforms = pluckModuleFunction(options.modules, 'postTransformNode'); - - delimiters = options.delimiters; - - var stack = []; - var preserveWhitespace = options.preserveWhitespace !== false; - var whitespaceOption = options.whitespace; - var root; - var currentParent; - var inVPre = false; - var inPre = false; - var warned = false; - - function warnOnce (msg, range) { - if (!warned) { - warned = true; - warn$2(msg, range); - } - } - - function closeElement (element) { - trimEndingWhitespace(element); - if (!inVPre && !element.processed) { - element = processElement(element, options); - } - // tree management - if (!stack.length && element !== root) { - // allow root elements with v-if, v-else-if and v-else - if (root.if && (element.elseif || element.else)) { - { - checkRootConstraints(element); - } - addIfCondition(root, { - exp: element.elseif, - block: element - }); - } else { - warnOnce( - "Component template should contain exactly one root element. " + - "If you are using v-if on multiple elements, " + - "use v-else-if to chain them instead.", - { start: element.start } - ); - } - } - if (currentParent && !element.forbidden) { - if (element.elseif || element.else) { - processIfConditions(element, currentParent); - } else { - if (element.slotScope) { - // scoped slot - // keep it in the children list so that v-else(-if) conditions can - // find it as the prev node. - var name = element.slotTarget || '"default"' - ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element; - } - currentParent.children.push(element); - element.parent = currentParent; - } - } - - // final children cleanup - // filter out scoped slots - element.children = element.children.filter(function (c) { return !(c).slotScope; }); - // remove trailing whitespace node again - trimEndingWhitespace(element); - - // check pre state - if (element.pre) { - inVPre = false; - } - if (platformIsPreTag(element.tag)) { - inPre = false; - } - // apply post-transforms - for (var i = 0; i < postTransforms.length; i++) { - postTransforms[i](element, options); - } - } - - function trimEndingWhitespace (el) { - // remove trailing whitespace node - if (!inPre) { - var lastNode; - while ( - (lastNode = el.children[el.children.length - 1]) && - lastNode.type === 3 && - lastNode.text === ' ' - ) { - el.children.pop(); - } - } - } - - function checkRootConstraints (el) { - if (el.tag === 'slot' || el.tag === 'template') { - warnOnce( - "Cannot use <" + (el.tag) + "> as component root element because it may " + - 'contain multiple nodes.', - { start: el.start } - ); - } - if (el.attrsMap.hasOwnProperty('v-for')) { - warnOnce( - 'Cannot use v-for on stateful component root element because ' + - 'it renders multiple elements.', - el.rawAttrsMap['v-for'] - ); - } - } - - parseHTML(template, { - warn: warn$2, - expectHTML: options.expectHTML, - isUnaryTag: options.isUnaryTag, - canBeLeftOpenTag: options.canBeLeftOpenTag, - shouldDecodeNewlines: options.shouldDecodeNewlines, - shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref, - shouldKeepComment: options.comments, - outputSourceRange: options.outputSourceRange, - start: function start (tag, attrs, unary, start$1, end) { - // check namespace. - // inherit parent ns if there is one - var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag); - - // handle IE svg bug - /* istanbul ignore if */ - if (isIE && ns === 'svg') { - attrs = guardIESVGBug(attrs); - } - - var element = createASTElement(tag, attrs, currentParent); - if (ns) { - element.ns = ns; - } - - { - if (options.outputSourceRange) { - element.start = start$1; - element.end = end; - element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) { - cumulated[attr.name] = attr; - return cumulated - }, {}); - } - attrs.forEach(function (attr) { - if (invalidAttributeRE.test(attr.name)) { - warn$2( - "Invalid dynamic argument expression: attribute names cannot contain " + - "spaces, quotes, <, >, / or =.", - { - start: attr.start + attr.name.indexOf("["), - end: attr.start + attr.name.length - } - ); - } - }); - } - - if (isForbiddenTag(element) && !isServerRendering()) { - element.forbidden = true; - warn$2( - 'Templates should only be responsible for mapping the state to the ' + - 'UI. Avoid placing tags with side-effects in your templates, such as ' + - "<" + tag + ">" + ', as they will not be parsed.', - { start: element.start } - ); - } - - // apply pre-transforms - for (var i = 0; i < preTransforms.length; i++) { - element = preTransforms[i](element, options) || element; - } - - if (!inVPre) { - processPre(element); - if (element.pre) { - inVPre = true; - } - } - if (platformIsPreTag(element.tag)) { - inPre = true; - } - if (inVPre) { - processRawAttrs(element); - } else if (!element.processed) { - // structural directives - processFor(element); - processIf(element); - processOnce(element); - } - - if (!root) { - root = element; - { - checkRootConstraints(root); - } - } - - if (!unary) { - currentParent = element; - stack.push(element); - } else { - closeElement(element); - } - }, - - end: function end (tag, start, end$1) { - var element = stack[stack.length - 1]; - // pop stack - stack.length -= 1; - currentParent = stack[stack.length - 1]; - if (options.outputSourceRange) { - element.end = end$1; - } - closeElement(element); - }, - - chars: function chars (text, start, end) { - if (!currentParent) { - { - if (text === template) { - warnOnce( - 'Component template requires a root element, rather than just text.', - { start: start } - ); - } else if ((text = text.trim())) { - warnOnce( - ("text \"" + text + "\" outside root element will be ignored."), - { start: start } - ); - } - } - return - } - // IE textarea placeholder bug - /* istanbul ignore if */ - if (isIE && - currentParent.tag === 'textarea' && - currentParent.attrsMap.placeholder === text - ) { - return - } - var children = currentParent.children; - if (inPre || text.trim()) { - text = isTextTag(currentParent) ? text : decodeHTMLCached(text); - } else if (!children.length) { - // remove the whitespace-only node right after an opening tag - text = ''; - } else if (whitespaceOption) { - if (whitespaceOption === 'condense') { - // in condense mode, remove the whitespace node if it contains - // line break, otherwise condense to a single space - text = lineBreakRE.test(text) ? '' : ' '; - } else { - text = ' '; - } - } else { - text = preserveWhitespace ? ' ' : ''; - } - if (text) { - if (!inPre && whitespaceOption === 'condense') { - // condense consecutive whitespaces into single space - text = text.replace(whitespaceRE$1, ' '); - } - var res; - var child; - if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) { - child = { - type: 2, - expression: res.expression, - tokens: res.tokens, - text: text - }; - } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') { - child = { - type: 3, - text: text - }; - } - if (child) { - if (options.outputSourceRange) { - child.start = start; - child.end = end; - } - children.push(child); - } - } - }, - comment: function comment (text, start, end) { - // adding anyting as a sibling to the root node is forbidden - // comments should still be allowed, but ignored - if (currentParent) { - var child = { - type: 3, - text: text, - isComment: true - }; - if (options.outputSourceRange) { - child.start = start; - child.end = end; - } - currentParent.children.push(child); - } - } - }); - return root - } - - function processPre (el) { - if (getAndRemoveAttr(el, 'v-pre') != null) { - el.pre = true; - } - } - - function processRawAttrs (el) { - var list = el.attrsList; - var len = list.length; - if (len) { - var attrs = el.attrs = new Array(len); - for (var i = 0; i < len; i++) { - attrs[i] = { - name: list[i].name, - value: JSON.stringify(list[i].value) - }; - if (list[i].start != null) { - attrs[i].start = list[i].start; - attrs[i].end = list[i].end; - } - } - } else if (!el.pre) { - // non root node in pre blocks with no attributes - el.plain = true; - } - } - - function processElement ( - element, - options - ) { - processKey(element); - - // determine whether this is a plain element after - // removing structural attributes - element.plain = ( - !element.key && - !element.scopedSlots && - !element.attrsList.length - ); - - processRef(element); - processSlotContent(element); - processSlotOutlet(element); - processComponent(element); - for (var i = 0; i < transforms.length; i++) { - element = transforms[i](element, options) || element; - } - processAttrs(element); - return element - } - - function processKey (el) { - var exp = getBindingAttr(el, 'key'); - if (exp) { - { - if (el.tag === 'template') { - warn$2( - "<template> cannot be keyed. Place the key on real elements instead.", - getRawBindingAttr(el, 'key') - ); - } - if (el.for) { - var iterator = el.iterator2 || el.iterator1; - var parent = el.parent; - if (iterator && iterator === exp && parent && parent.tag === 'transition-group') { - warn$2( - "Do not use v-for index as key on <transition-group> children, " + - "this is the same as not using keys.", - getRawBindingAttr(el, 'key'), - true /* tip */ - ); - } - } - } - el.key = exp; - } - } - - function processRef (el) { - var ref = getBindingAttr(el, 'ref'); - if (ref) { - el.ref = ref; - el.refInFor = checkInFor(el); - } - } - - function processFor (el) { - var exp; - if ((exp = getAndRemoveAttr(el, 'v-for'))) { - var res = parseFor(exp); - if (res) { - extend(el, res); - } else { - warn$2( - ("Invalid v-for expression: " + exp), - el.rawAttrsMap['v-for'] - ); - } - } - } - - - - function parseFor (exp) { - var inMatch = exp.match(forAliasRE); - if (!inMatch) { return } - var res = {}; - res.for = inMatch[2].trim(); - var alias = inMatch[1].trim().replace(stripParensRE, ''); - var iteratorMatch = alias.match(forIteratorRE); - if (iteratorMatch) { - res.alias = alias.replace(forIteratorRE, '').trim(); - res.iterator1 = iteratorMatch[1].trim(); - if (iteratorMatch[2]) { - res.iterator2 = iteratorMatch[2].trim(); - } - } else { - res.alias = alias; - } - return res - } - - function processIf (el) { - var exp = getAndRemoveAttr(el, 'v-if'); - if (exp) { - el.if = exp; - addIfCondition(el, { - exp: exp, - block: el - }); - } else { - if (getAndRemoveAttr(el, 'v-else') != null) { - el.else = true; - } - var elseif = getAndRemoveAttr(el, 'v-else-if'); - if (elseif) { - el.elseif = elseif; - } - } - } - - function processIfConditions (el, parent) { - var prev = findPrevElement(parent.children); - if (prev && prev.if) { - addIfCondition(prev, { - exp: el.elseif, - block: el - }); - } else { - warn$2( - "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " + - "used on element <" + (el.tag) + "> without corresponding v-if.", - el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else'] - ); - } - } - - function findPrevElement (children) { - var i = children.length; - while (i--) { - if (children[i].type === 1) { - return children[i] - } else { - if (children[i].text !== ' ') { - warn$2( - "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " + - "will be ignored.", - children[i] - ); - } - children.pop(); - } - } - } - - function addIfCondition (el, condition) { - if (!el.ifConditions) { - el.ifConditions = []; - } - el.ifConditions.push(condition); - } - - function processOnce (el) { - var once$$1 = getAndRemoveAttr(el, 'v-once'); - if (once$$1 != null) { - el.once = true; - } - } - - // handle content being passed to a component as slot, - // e.g. <template slot="xxx">, <div slot-scope="xxx"> - function processSlotContent (el) { - var slotScope; - if (el.tag === 'template') { - slotScope = getAndRemoveAttr(el, 'scope'); - /* istanbul ignore if */ - if (slotScope) { - warn$2( - "the \"scope\" attribute for scoped slots have been deprecated and " + - "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " + - "can also be used on plain elements in addition to <template> to " + - "denote scoped slots.", - el.rawAttrsMap['scope'], - true - ); - } - el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope'); - } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) { - /* istanbul ignore if */ - if (el.attrsMap['v-for']) { - warn$2( - "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " + - "(v-for takes higher priority). Use a wrapper <template> for the " + - "scoped slot to make it clearer.", - el.rawAttrsMap['slot-scope'], - true - ); - } - el.slotScope = slotScope; - } - - // slot="xxx" - var slotTarget = getBindingAttr(el, 'slot'); - if (slotTarget) { - el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget; - el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']); - // preserve slot as an attribute for native shadow DOM compat - // only for non-scoped slots. - if (el.tag !== 'template' && !el.slotScope) { - addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot')); - } - } - - // 2.6 v-slot syntax - { - if (el.tag === 'template') { - // v-slot on <template> - var slotBinding = getAndRemoveAttrByRegex(el, slotRE); - if (slotBinding) { - { - if (el.slotTarget || el.slotScope) { - warn$2( - "Unexpected mixed usage of different slot syntaxes.", - el - ); - } - if (el.parent && !maybeComponent(el.parent)) { - warn$2( - "<template v-slot> can only appear at the root level inside " + - "the receiving the component", - el - ); - } - } - var ref = getSlotName(slotBinding); - var name = ref.name; - var dynamic = ref.dynamic; - el.slotTarget = name; - el.slotTargetDynamic = dynamic; - el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf - } - } else { - // v-slot on component, denotes default slot - var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE); - if (slotBinding$1) { - { - if (!maybeComponent(el)) { - warn$2( - "v-slot can only be used on components or <template>.", - slotBinding$1 - ); - } - if (el.slotScope || el.slotTarget) { - warn$2( - "Unexpected mixed usage of different slot syntaxes.", - el - ); - } - if (el.scopedSlots) { - warn$2( - "To avoid scope ambiguity, the default slot should also use " + - "<template> syntax when there are other named slots.", - slotBinding$1 - ); - } - } - // add the component's children to its default slot - var slots = el.scopedSlots || (el.scopedSlots = {}); - var ref$1 = getSlotName(slotBinding$1); - var name$1 = ref$1.name; - var dynamic$1 = ref$1.dynamic; - var slotContainer = slots[name$1] = createASTElement('template', [], el); - slotContainer.slotTarget = name$1; - slotContainer.slotTargetDynamic = dynamic$1; - slotContainer.children = el.children.filter(function (c) { - if (!c.slotScope) { - c.parent = slotContainer; - return true - } - }); - slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken; - // remove children as they are returned from scopedSlots now - el.children = []; - // mark el non-plain so data gets generated - el.plain = false; - } - } - } - } - - function getSlotName (binding) { - var name = binding.name.replace(slotRE, ''); - if (!name) { - if (binding.name[0] !== '#') { - name = 'default'; - } else { - warn$2( - "v-slot shorthand syntax requires a slot name.", - binding - ); - } - } - return dynamicArgRE.test(name) - // dynamic [name] - ? { name: name.slice(1, -1), dynamic: true } - // static name - : { name: ("\"" + name + "\""), dynamic: false } - } - - // handle <slot/> outlets - function processSlotOutlet (el) { - if (el.tag === 'slot') { - el.slotName = getBindingAttr(el, 'name'); - if (el.key) { - warn$2( - "`key` does not work on <slot> because slots are abstract outlets " + - "and can possibly expand into multiple elements. " + - "Use the key on a wrapping element instead.", - getRawBindingAttr(el, 'key') - ); - } - } - } - - function processComponent (el) { - var binding; - if ((binding = getBindingAttr(el, 'is'))) { - el.component = binding; - } - if (getAndRemoveAttr(el, 'inline-template') != null) { - el.inlineTemplate = true; - } - } - - function processAttrs (el) { - var list = el.attrsList; - var i, l, name, rawName, value, modifiers, syncGen, isDynamic; - for (i = 0, l = list.length; i < l; i++) { - name = rawName = list[i].name; - value = list[i].value; - if (dirRE.test(name)) { - // mark element as dynamic - el.hasBindings = true; - // modifiers - modifiers = parseModifiers(name.replace(dirRE, '')); - // support .foo shorthand syntax for the .prop modifier - if (modifiers) { - name = name.replace(modifierRE, ''); - } - if (bindRE.test(name)) { // v-bind - name = name.replace(bindRE, ''); - value = parseFilters(value); - isDynamic = dynamicArgRE.test(name); - if (isDynamic) { - name = name.slice(1, -1); - } - if ( - value.trim().length === 0 - ) { - warn$2( - ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"") - ); - } - if (modifiers) { - if (modifiers.prop && !isDynamic) { - name = camelize(name); - if (name === 'innerHtml') { name = 'innerHTML'; } - } - if (modifiers.camel && !isDynamic) { - name = camelize(name); - } - if (modifiers.sync) { - syncGen = genAssignmentCode(value, "$event"); - if (!isDynamic) { - addHandler( - el, - ("update:" + (camelize(name))), - syncGen, - null, - false, - warn$2, - list[i] - ); - if (hyphenate(name) !== camelize(name)) { - addHandler( - el, - ("update:" + (hyphenate(name))), - syncGen, - null, - false, - warn$2, - list[i] - ); - } - } else { - // handler w/ dynamic event name - addHandler( - el, - ("\"update:\"+(" + name + ")"), - syncGen, - null, - false, - warn$2, - list[i], - true // dynamic - ); - } - } - } - if ((modifiers && modifiers.prop) || ( - !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name) - )) { - addProp(el, name, value, list[i], isDynamic); - } else { - addAttr(el, name, value, list[i], isDynamic); - } - } else if (onRE.test(name)) { // v-on - name = name.replace(onRE, ''); - isDynamic = dynamicArgRE.test(name); - if (isDynamic) { - name = name.slice(1, -1); - } - addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic); - } else { // normal directives - name = name.replace(dirRE, ''); - // parse arg - var argMatch = name.match(argRE); - var arg = argMatch && argMatch[1]; - isDynamic = false; - if (arg) { - name = name.slice(0, -(arg.length + 1)); - if (dynamicArgRE.test(arg)) { - arg = arg.slice(1, -1); - isDynamic = true; - } - } - addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]); - if (name === 'model') { - checkForAliasModel(el, value); - } - } - } else { - // literal attribute - { - var res = parseText(value, delimiters); - if (res) { - warn$2( - name + "=\"" + value + "\": " + - 'Interpolation inside attributes has been removed. ' + - 'Use v-bind or the colon shorthand instead. For example, ' + - 'instead of <div id="{{ val }}">, use <div :id="val">.', - list[i] - ); - } - } - addAttr(el, name, JSON.stringify(value), list[i]); - // #6887 firefox doesn't update muted state if set via attribute - // even immediately after element creation - if (!el.component && - name === 'muted' && - platformMustUseProp(el.tag, el.attrsMap.type, name)) { - addProp(el, name, 'true', list[i]); - } - } - } - } - - function checkInFor (el) { - var parent = el; - while (parent) { - if (parent.for !== undefined) { - return true - } - parent = parent.parent; - } - return false - } - - function parseModifiers (name) { - var match = name.match(modifierRE); - if (match) { - var ret = {}; - match.forEach(function (m) { ret[m.slice(1)] = true; }); - return ret - } - } - - function makeAttrsMap (attrs) { - var map = {}; - for (var i = 0, l = attrs.length; i < l; i++) { - if ( - map[attrs[i].name] && !isIE && !isEdge - ) { - warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]); - } - map[attrs[i].name] = attrs[i].value; - } - return map - } - - // for script (e.g. type="x/template") or style, do not decode content - function isTextTag (el) { - return el.tag === 'script' || el.tag === 'style' - } - - function isForbiddenTag (el) { - return ( - el.tag === 'style' || - (el.tag === 'script' && ( - !el.attrsMap.type || - el.attrsMap.type === 'text/javascript' - )) - ) - } - - var ieNSBug = /^xmlns:NS\d+/; - var ieNSPrefix = /^NS\d+:/; - - /* istanbul ignore next */ - function guardIESVGBug (attrs) { - var res = []; - for (var i = 0; i < attrs.length; i++) { - var attr = attrs[i]; - if (!ieNSBug.test(attr.name)) { - attr.name = attr.name.replace(ieNSPrefix, ''); - res.push(attr); - } - } - return res - } - - function checkForAliasModel (el, value) { - var _el = el; - while (_el) { - if (_el.for && _el.alias === value) { - warn$2( - "<" + (el.tag) + " v-model=\"" + value + "\">: " + - "You are binding v-model directly to a v-for iteration alias. " + - "This will not be able to modify the v-for source array because " + - "writing to the alias is like modifying a function local variable. " + - "Consider using an array of objects and use v-model on an object property instead.", - el.rawAttrsMap['v-model'] - ); - } - _el = _el.parent; - } - } - - /* */ - - function preTransformNode (el, options) { - if (el.tag === 'input') { - var map = el.attrsMap; - if (!map['v-model']) { - return - } - - var typeBinding; - if (map[':type'] || map['v-bind:type']) { - typeBinding = getBindingAttr(el, 'type'); - } - if (!map.type && !typeBinding && map['v-bind']) { - typeBinding = "(" + (map['v-bind']) + ").type"; - } - - if (typeBinding) { - var ifCondition = getAndRemoveAttr(el, 'v-if', true); - var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : ""; - var hasElse = getAndRemoveAttr(el, 'v-else', true) != null; - var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true); - // 1. checkbox - var branch0 = cloneASTElement(el); - // process for on the main node - processFor(branch0); - addRawAttr(branch0, 'type', 'checkbox'); - processElement(branch0, options); - branch0.processed = true; // prevent it from double-processed - branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra; - addIfCondition(branch0, { - exp: branch0.if, - block: branch0 - }); - // 2. add radio else-if condition - var branch1 = cloneASTElement(el); - getAndRemoveAttr(branch1, 'v-for', true); - addRawAttr(branch1, 'type', 'radio'); - processElement(branch1, options); - addIfCondition(branch0, { - exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra, - block: branch1 - }); - // 3. other - var branch2 = cloneASTElement(el); - getAndRemoveAttr(branch2, 'v-for', true); - addRawAttr(branch2, ':type', typeBinding); - processElement(branch2, options); - addIfCondition(branch0, { - exp: ifCondition, - block: branch2 - }); - - if (hasElse) { - branch0.else = true; - } else if (elseIfCondition) { - branch0.elseif = elseIfCondition; - } - - return branch0 - } - } - } - - function cloneASTElement (el) { - return createASTElement(el.tag, el.attrsList.slice(), el.parent) - } - - var model$1 = { - preTransformNode: preTransformNode - }; - - var modules$1 = [ - klass$1, - style$1, - model$1 - ]; - - /* */ - - function text (el, dir) { - if (dir.value) { - addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir); - } - } - - /* */ - - function html (el, dir) { - if (dir.value) { - addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir); - } - } - - var directives$1 = { - model: model, - text: text, - html: html - }; - - /* */ - - var baseOptions = { - expectHTML: true, - modules: modules$1, - directives: directives$1, - isPreTag: isPreTag, - isUnaryTag: isUnaryTag, - mustUseProp: mustUseProp, - canBeLeftOpenTag: canBeLeftOpenTag, - isReservedTag: isReservedTag, - getTagNamespace: getTagNamespace, - staticKeys: genStaticKeys(modules$1) - }; - - /* */ - - var isStaticKey; - var isPlatformReservedTag; - - var genStaticKeysCached = cached(genStaticKeys$1); - - /** - * Goal of the optimizer: walk the generated template AST tree - * and detect sub-trees that are purely static, i.e. parts of - * the DOM that never needs to change. - * - * Once we detect these sub-trees, we can: - * - * 1. Hoist them into constants, so that we no longer need to - * create fresh nodes for them on each re-render; - * 2. Completely skip them in the patching process. - */ - function optimize (root, options) { - if (!root) { return } - isStaticKey = genStaticKeysCached(options.staticKeys || ''); - isPlatformReservedTag = options.isReservedTag || no; - // first pass: mark all non-static nodes. - markStatic$1(root); - // second pass: mark static roots. - markStaticRoots(root, false); - } - - function genStaticKeys$1 (keys) { - return makeMap( - 'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' + - (keys ? ',' + keys : '') - ) - } - - function markStatic$1 (node) { - node.static = isStatic(node); - if (node.type === 1) { - // do not make component slot content static. this avoids - // 1. components not able to mutate slot nodes - // 2. static slot content fails for hot-reloading - if ( - !isPlatformReservedTag(node.tag) && - node.tag !== 'slot' && - node.attrsMap['inline-template'] == null - ) { - return - } - for (var i = 0, l = node.children.length; i < l; i++) { - var child = node.children[i]; - markStatic$1(child); - if (!child.static) { - node.static = false; - } - } - if (node.ifConditions) { - for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) { - var block = node.ifConditions[i$1].block; - markStatic$1(block); - if (!block.static) { - node.static = false; - } - } - } - } - } - - function markStaticRoots (node, isInFor) { - if (node.type === 1) { - if (node.static || node.once) { - node.staticInFor = isInFor; - } - // For a node to qualify as a static root, it should have children that - // are not just static text. Otherwise the cost of hoisting out will - // outweigh the benefits and it's better off to just always render it fresh. - if (node.static && node.children.length && !( - node.children.length === 1 && - node.children[0].type === 3 - )) { - node.staticRoot = true; - return - } else { - node.staticRoot = false; - } - if (node.children) { - for (var i = 0, l = node.children.length; i < l; i++) { - markStaticRoots(node.children[i], isInFor || !!node.for); - } - } - if (node.ifConditions) { - for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) { - markStaticRoots(node.ifConditions[i$1].block, isInFor); - } - } - } - } - - function isStatic (node) { - if (node.type === 2) { // expression - return false - } - if (node.type === 3) { // text - return true - } - return !!(node.pre || ( - !node.hasBindings && // no dynamic bindings - !node.if && !node.for && // not v-if or v-for or v-else - !isBuiltInTag(node.tag) && // not a built-in - isPlatformReservedTag(node.tag) && // not a component - !isDirectChildOfTemplateFor(node) && - Object.keys(node).every(isStaticKey) - )) - } - - function isDirectChildOfTemplateFor (node) { - while (node.parent) { - node = node.parent; - if (node.tag !== 'template') { - return false - } - if (node.for) { - return true - } - } - return false - } - - /* */ - - var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function\s*(?:[\w$]+)?\s*\(/; - var fnInvokeRE = /\([^)]*?\);*$/; - var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/; - - // KeyboardEvent.keyCode aliases - var keyCodes = { - esc: 27, - tab: 9, - enter: 13, - space: 32, - up: 38, - left: 37, - right: 39, - down: 40, - 'delete': [8, 46] - }; - - // KeyboardEvent.key aliases - var keyNames = { - // #7880: IE11 and Edge use `Esc` for Escape key name. - esc: ['Esc', 'Escape'], - tab: 'Tab', - enter: 'Enter', - // #9112: IE11 uses `Spacebar` for Space key name. - space: [' ', 'Spacebar'], - // #7806: IE11 uses key names without `Arrow` prefix for arrow keys. - up: ['Up', 'ArrowUp'], - left: ['Left', 'ArrowLeft'], - right: ['Right', 'ArrowRight'], - down: ['Down', 'ArrowDown'], - // #9112: IE11 uses `Del` for Delete key name. - 'delete': ['Backspace', 'Delete', 'Del'] - }; - - // #4868: modifiers that prevent the execution of the listener - // need to explicitly return null so that we can determine whether to remove - // the listener for .once - var genGuard = function (condition) { return ("if(" + condition + ")return null;"); }; - - var modifierCode = { - stop: '$event.stopPropagation();', - prevent: '$event.preventDefault();', - self: genGuard("$event.target !== $event.currentTarget"), - ctrl: genGuard("!$event.ctrlKey"), - shift: genGuard("!$event.shiftKey"), - alt: genGuard("!$event.altKey"), - meta: genGuard("!$event.metaKey"), - left: genGuard("'button' in $event && $event.button !== 0"), - middle: genGuard("'button' in $event && $event.button !== 1"), - right: genGuard("'button' in $event && $event.button !== 2") - }; - - function genHandlers ( - events, - isNative - ) { - var prefix = isNative ? 'nativeOn:' : 'on:'; - var staticHandlers = ""; - var dynamicHandlers = ""; - for (var name in events) { - var handlerCode = genHandler(events[name]); - if (events[name] && events[name].dynamic) { - dynamicHandlers += name + "," + handlerCode + ","; - } else { - staticHandlers += "\"" + name + "\":" + handlerCode + ","; - } - } - staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}"; - if (dynamicHandlers) { - return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])" - } else { - return prefix + staticHandlers - } - } - - function genHandler (handler) { - if (!handler) { - return 'function(){}' - } - - if (Array.isArray(handler)) { - return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]") - } - - var isMethodPath = simplePathRE.test(handler.value); - var isFunctionExpression = fnExpRE.test(handler.value); - var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, '')); - - if (!handler.modifiers) { - if (isMethodPath || isFunctionExpression) { - return handler.value - } - return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement - } else { - var code = ''; - var genModifierCode = ''; - var keys = []; - for (var key in handler.modifiers) { - if (modifierCode[key]) { - genModifierCode += modifierCode[key]; - // left/right - if (keyCodes[key]) { - keys.push(key); - } - } else if (key === 'exact') { - var modifiers = (handler.modifiers); - genModifierCode += genGuard( - ['ctrl', 'shift', 'alt', 'meta'] - .filter(function (keyModifier) { return !modifiers[keyModifier]; }) - .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); }) - .join('||') - ); - } else { - keys.push(key); - } - } - if (keys.length) { - code += genKeyFilter(keys); - } - // Make sure modifiers like prevent and stop get executed after key filtering - if (genModifierCode) { - code += genModifierCode; - } - var handlerCode = isMethodPath - ? ("return " + (handler.value) + "($event)") - : isFunctionExpression - ? ("return (" + (handler.value) + ")($event)") - : isFunctionInvocation - ? ("return " + (handler.value)) - : handler.value; - return ("function($event){" + code + handlerCode + "}") - } - } - - function genKeyFilter (keys) { - return ( - // make sure the key filters only apply to KeyboardEvents - // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake - // key events that do not have keyCode property... - "if(!$event.type.indexOf('key')&&" + - (keys.map(genFilterCode).join('&&')) + ")return null;" - ) - } - - function genFilterCode (key) { - var keyVal = parseInt(key, 10); - if (keyVal) { - return ("$event.keyCode!==" + keyVal) - } - var keyCode = keyCodes[key]; - var keyName = keyNames[key]; - return ( - "_k($event.keyCode," + - (JSON.stringify(key)) + "," + - (JSON.stringify(keyCode)) + "," + - "$event.key," + - "" + (JSON.stringify(keyName)) + - ")" - ) - } - - /* */ - - function on (el, dir) { - if (dir.modifiers) { - warn("v-on without argument does not support modifiers."); - } - el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); }; - } - - /* */ - - function bind$1 (el, dir) { - el.wrapData = function (code) { - return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")") - }; - } - - /* */ - - var baseDirectives = { - on: on, - bind: bind$1, - cloak: noop - }; - - /* */ - - - - - - var CodegenState = function CodegenState (options) { - this.options = options; - this.warn = options.warn || baseWarn; - this.transforms = pluckModuleFunction(options.modules, 'transformCode'); - this.dataGenFns = pluckModuleFunction(options.modules, 'genData'); - this.directives = extend(extend({}, baseDirectives), options.directives); - var isReservedTag = options.isReservedTag || no; - this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); }; - this.onceId = 0; - this.staticRenderFns = []; - this.pre = false; - }; - - - - function generate ( - ast, - options - ) { - var state = new CodegenState(options); - var code = ast ? genElement(ast, state) : '_c("div")'; - return { - render: ("with(this){return " + code + "}"), - staticRenderFns: state.staticRenderFns - } - } - - function genElement (el, state) { - if (el.parent) { - el.pre = el.pre || el.parent.pre; - } - - if (el.staticRoot && !el.staticProcessed) { - return genStatic(el, state) - } else if (el.once && !el.onceProcessed) { - return genOnce(el, state) - } else if (el.for && !el.forProcessed) { - return genFor(el, state) - } else if (el.if && !el.ifProcessed) { - return genIf(el, state) - } else if (el.tag === 'template' && !el.slotTarget && !state.pre) { - return genChildren(el, state) || 'void 0' - } else if (el.tag === 'slot') { - return genSlot(el, state) - } else { - // component or element - var code; - if (el.component) { - code = genComponent(el.component, el, state); - } else { - var data; - if (!el.plain || (el.pre && state.maybeComponent(el))) { - data = genData$2(el, state); - } - - var children = el.inlineTemplate ? null : genChildren(el, state, true); - code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")"; - } - // module transforms - for (var i = 0; i < state.transforms.length; i++) { - code = state.transforms[i](el, code); - } - return code - } - } - - // hoist static sub-trees out - function genStatic (el, state) { - el.staticProcessed = true; - // Some elements (templates) need to behave differently inside of a v-pre - // node. All pre nodes are static roots, so we can use this as a location to - // wrap a state change and reset it upon exiting the pre node. - var originalPreState = state.pre; - if (el.pre) { - state.pre = el.pre; - } - state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}")); - state.pre = originalPreState; - return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")") - } - - // v-once - function genOnce (el, state) { - el.onceProcessed = true; - if (el.if && !el.ifProcessed) { - return genIf(el, state) - } else if (el.staticInFor) { - var key = ''; - var parent = el.parent; - while (parent) { - if (parent.for) { - key = parent.key; - break - } - parent = parent.parent; - } - if (!key) { - state.warn( - "v-once can only be used inside v-for that is keyed. ", - el.rawAttrsMap['v-once'] - ); - return genElement(el, state) - } - return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")") - } else { - return genStatic(el, state) - } - } - - function genIf ( - el, - state, - altGen, - altEmpty - ) { - el.ifProcessed = true; // avoid recursion - return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty) - } - - function genIfConditions ( - conditions, - state, - altGen, - altEmpty - ) { - if (!conditions.length) { - return altEmpty || '_e()' - } - - var condition = conditions.shift(); - if (condition.exp) { - return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty))) - } else { - return ("" + (genTernaryExp(condition.block))) - } - - // v-if with v-once should generate code like (a)?_m(0):_m(1) - function genTernaryExp (el) { - return altGen - ? altGen(el, state) - : el.once - ? genOnce(el, state) - : genElement(el, state) - } - } - - function genFor ( - el, - state, - altGen, - altHelper - ) { - var exp = el.for; - var alias = el.alias; - var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : ''; - var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : ''; - - if (state.maybeComponent(el) && - el.tag !== 'slot' && - el.tag !== 'template' && - !el.key - ) { - state.warn( - "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " + - "v-for should have explicit keys. " + - "See https://vuejs.org/guide/list.html#key for more info.", - el.rawAttrsMap['v-for'], - true /* tip */ - ); - } - - el.forProcessed = true; // avoid recursion - return (altHelper || '_l') + "((" + exp + ")," + - "function(" + alias + iterator1 + iterator2 + "){" + - "return " + ((altGen || genElement)(el, state)) + - '})' - } - - function genData$2 (el, state) { - var data = '{'; - - // directives first. - // directives may mutate the el's other properties before they are generated. - var dirs = genDirectives(el, state); - if (dirs) { data += dirs + ','; } - - // key - if (el.key) { - data += "key:" + (el.key) + ","; - } - // ref - if (el.ref) { - data += "ref:" + (el.ref) + ","; - } - if (el.refInFor) { - data += "refInFor:true,"; - } - // pre - if (el.pre) { - data += "pre:true,"; - } - // record original tag name for components using "is" attribute - if (el.component) { - data += "tag:\"" + (el.tag) + "\","; - } - // module data generation functions - for (var i = 0; i < state.dataGenFns.length; i++) { - data += state.dataGenFns[i](el); - } - // attributes - if (el.attrs) { - data += "attrs:" + (genProps(el.attrs)) + ","; - } - // DOM props - if (el.props) { - data += "domProps:" + (genProps(el.props)) + ","; - } - // event handlers - if (el.events) { - data += (genHandlers(el.events, false)) + ","; - } - if (el.nativeEvents) { - data += (genHandlers(el.nativeEvents, true)) + ","; - } - // slot target - // only for non-scoped slots - if (el.slotTarget && !el.slotScope) { - data += "slot:" + (el.slotTarget) + ","; - } - // scoped slots - if (el.scopedSlots) { - data += (genScopedSlots(el, el.scopedSlots, state)) + ","; - } - // component v-model - if (el.model) { - data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},"; - } - // inline-template - if (el.inlineTemplate) { - var inlineTemplate = genInlineTemplate(el, state); - if (inlineTemplate) { - data += inlineTemplate + ","; - } - } - data = data.replace(/,$/, '') + '}'; - // v-bind dynamic argument wrap - // v-bind with dynamic arguments must be applied using the same v-bind object - // merge helper so that class/style/mustUseProp attrs are handled correctly. - if (el.dynamicAttrs) { - data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")"; - } - // v-bind data wrap - if (el.wrapData) { - data = el.wrapData(data); - } - // v-on data wrap - if (el.wrapListeners) { - data = el.wrapListeners(data); - } - return data - } - - function genDirectives (el, state) { - var dirs = el.directives; - if (!dirs) { return } - var res = 'directives:['; - var hasRuntime = false; - var i, l, dir, needRuntime; - for (i = 0, l = dirs.length; i < l; i++) { - dir = dirs[i]; - needRuntime = true; - var gen = state.directives[dir.name]; - if (gen) { - // compile-time directive that manipulates AST. - // returns true if it also needs a runtime counterpart. - needRuntime = !!gen(el, dir, state.warn); - } - if (needRuntime) { - hasRuntime = true; - res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},"; - } - } - if (hasRuntime) { - return res.slice(0, -1) + ']' - } - } - - function genInlineTemplate (el, state) { - var ast = el.children[0]; - if (el.children.length !== 1 || ast.type !== 1) { - state.warn( - 'Inline-template components must have exactly one child element.', - { start: el.start } - ); - } - if (ast && ast.type === 1) { - var inlineRenderFns = generate(ast, state.options); - return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}") - } - } - - function genScopedSlots ( - el, - slots, - state - ) { - // by default scoped slots are considered "stable", this allows child - // components with only scoped slots to skip forced updates from parent. - // but in some cases we have to bail-out of this optimization - // for example if the slot contains dynamic names, has v-if or v-for on them... - var needsForceUpdate = el.for || Object.keys(slots).some(function (key) { - var slot = slots[key]; - return ( - slot.slotTargetDynamic || - slot.if || - slot.for || - containsSlotChild(slot) // is passing down slot from parent which may be dynamic - ) - }); - - // #9534: if a component with scoped slots is inside a conditional branch, - // it's possible for the same component to be reused but with different - // compiled slot content. To avoid that, we generate a unique key based on - // the generated code of all the slot contents. - var needsKey = !!el.if; - - // OR when it is inside another scoped slot or v-for (the reactivity may be - // disconnected due to the intermediate scope variable) - // #9438, #9506 - // TODO: this can be further optimized by properly analyzing in-scope bindings - // and skip force updating ones that do not actually use scope variables. - if (!needsForceUpdate) { - var parent = el.parent; - while (parent) { - if ( - (parent.slotScope && parent.slotScope !== emptySlotScopeToken) || - parent.for - ) { - needsForceUpdate = true; - break - } - if (parent.if) { - needsKey = true; - } - parent = parent.parent; - } - } - - var generatedSlots = Object.keys(slots) - .map(function (key) { return genScopedSlot(slots[key], state); }) - .join(','); - - return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")") - } - - function hash(str) { - var hash = 5381; - var i = str.length; - while(i) { - hash = (hash * 33) ^ str.charCodeAt(--i); - } - return hash >>> 0 - } - - function containsSlotChild (el) { - if (el.type === 1) { - if (el.tag === 'slot') { - return true - } - return el.children.some(containsSlotChild) - } - return false - } - - function genScopedSlot ( - el, - state - ) { - var isLegacySyntax = el.attrsMap['slot-scope']; - if (el.if && !el.ifProcessed && !isLegacySyntax) { - return genIf(el, state, genScopedSlot, "null") - } - if (el.for && !el.forProcessed) { - return genFor(el, state, genScopedSlot) - } - var slotScope = el.slotScope === emptySlotScopeToken - ? "" - : String(el.slotScope); - var fn = "function(" + slotScope + "){" + - "return " + (el.tag === 'template' - ? el.if && isLegacySyntax - ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined") - : genChildren(el, state) || 'undefined' - : genElement(el, state)) + "}"; - // reverse proxy v-slot without scope on this.$slots - var reverseProxy = slotScope ? "" : ",proxy:true"; - return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}") - } - - function genChildren ( - el, - state, - checkSkip, - altGenElement, - altGenNode - ) { - var children = el.children; - if (children.length) { - var el$1 = children[0]; - // optimize single v-for - if (children.length === 1 && - el$1.for && - el$1.tag !== 'template' && - el$1.tag !== 'slot' - ) { - var normalizationType = checkSkip - ? state.maybeComponent(el$1) ? ",1" : ",0" - : ""; - return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType) - } - var normalizationType$1 = checkSkip - ? getNormalizationType(children, state.maybeComponent) - : 0; - var gen = altGenNode || genNode; - return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : '')) - } - } - - // determine the normalization needed for the children array. - // 0: no normalization needed - // 1: simple normalization needed (possible 1-level deep nested array) - // 2: full normalization needed - function getNormalizationType ( - children, - maybeComponent - ) { - var res = 0; - for (var i = 0; i < children.length; i++) { - var el = children[i]; - if (el.type !== 1) { - continue - } - if (needsNormalization(el) || - (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) { - res = 2; - break - } - if (maybeComponent(el) || - (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) { - res = 1; - } - } - return res - } - - function needsNormalization (el) { - return el.for !== undefined || el.tag === 'template' || el.tag === 'slot' - } - - function genNode (node, state) { - if (node.type === 1) { - return genElement(node, state) - } else if (node.type === 3 && node.isComment) { - return genComment(node) - } else { - return genText(node) - } - } - - function genText (text) { - return ("_v(" + (text.type === 2 - ? text.expression // no need for () because already wrapped in _s() - : transformSpecialNewlines(JSON.stringify(text.text))) + ")") - } - - function genComment (comment) { - return ("_e(" + (JSON.stringify(comment.text)) + ")") - } - - function genSlot (el, state) { - var slotName = el.slotName || '"default"'; - var children = genChildren(el, state); - var res = "_t(" + slotName + (children ? ("," + children) : ''); - var attrs = el.attrs || el.dynamicAttrs - ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({ - // slot props are camelized - name: camelize(attr.name), - value: attr.value, - dynamic: attr.dynamic - }); })) - : null; - var bind$$1 = el.attrsMap['v-bind']; - if ((attrs || bind$$1) && !children) { - res += ",null"; - } - if (attrs) { - res += "," + attrs; - } - if (bind$$1) { - res += (attrs ? '' : ',null') + "," + bind$$1; - } - return res + ')' - } - - // componentName is el.component, take it as argument to shun flow's pessimistic refinement - function genComponent ( - componentName, - el, - state - ) { - var children = el.inlineTemplate ? null : genChildren(el, state, true); - return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")") - } - - function genProps (props) { - var staticProps = ""; - var dynamicProps = ""; - for (var i = 0; i < props.length; i++) { - var prop = props[i]; - var value = transformSpecialNewlines(prop.value); - if (prop.dynamic) { - dynamicProps += (prop.name) + "," + value + ","; - } else { - staticProps += "\"" + (prop.name) + "\":" + value + ","; - } - } - staticProps = "{" + (staticProps.slice(0, -1)) + "}"; - if (dynamicProps) { - return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])") - } else { - return staticProps - } - } - - // #3895, #4268 - function transformSpecialNewlines (text) { - return text - .replace(/\u2028/g, '\\u2028') - .replace(/\u2029/g, '\\u2029') - } - - /* */ - - - - // these keywords should not appear inside expressions, but operators like - // typeof, instanceof and in are allowed - var prohibitedKeywordRE = new RegExp('\\b' + ( - 'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + - 'super,throw,while,yield,delete,export,import,return,switch,default,' + - 'extends,finally,continue,debugger,function,arguments' - ).split(',').join('\\b|\\b') + '\\b'); - - // these unary operators should not be used as property/method names - var unaryOperatorsRE = new RegExp('\\b' + ( - 'delete,typeof,void' - ).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)'); - - // strip strings in expressions - var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g; - - // detect problematic expressions in a template - function detectErrors (ast, warn) { - if (ast) { - checkNode(ast, warn); - } - } - - function checkNode (node, warn) { - if (node.type === 1) { - for (var name in node.attrsMap) { - if (dirRE.test(name)) { - var value = node.attrsMap[name]; - if (value) { - var range = node.rawAttrsMap[name]; - if (name === 'v-for') { - checkFor(node, ("v-for=\"" + value + "\""), warn, range); - } else if (onRE.test(name)) { - checkEvent(value, (name + "=\"" + value + "\""), warn, range); - } else { - checkExpression(value, (name + "=\"" + value + "\""), warn, range); - } - } - } - } - if (node.children) { - for (var i = 0; i < node.children.length; i++) { - checkNode(node.children[i], warn); - } - } - } else if (node.type === 2) { - checkExpression(node.expression, node.text, warn, node); - } - } - - function checkEvent (exp, text, warn, range) { - var stipped = exp.replace(stripStringRE, ''); - var keywordMatch = stipped.match(unaryOperatorsRE); - if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') { - warn( - "avoid using JavaScript unary operator as property name: " + - "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()), - range - ); - } - checkExpression(exp, text, warn, range); - } - - function checkFor (node, text, warn, range) { - checkExpression(node.for || '', text, warn, range); - checkIdentifier(node.alias, 'v-for alias', text, warn, range); - checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range); - checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range); - } - - function checkIdentifier ( - ident, - type, - text, - warn, - range - ) { - if (typeof ident === 'string') { - try { - new Function(("var " + ident + "=_")); - } catch (e) { - warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range); - } - } - } - - function checkExpression (exp, text, warn, range) { - try { - new Function(("return " + exp)); - } catch (e) { - var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE); - if (keywordMatch) { - warn( - "avoid using JavaScript keyword as property name: " + - "\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim()), - range - ); - } else { - warn( - "invalid expression: " + (e.message) + " in\n\n" + - " " + exp + "\n\n" + - " Raw expression: " + (text.trim()) + "\n", - range - ); - } - } - } - - /* */ - - var range = 2; - - function generateCodeFrame ( - source, - start, - end - ) { - if ( start === void 0 ) start = 0; - if ( end === void 0 ) end = source.length; - - var lines = source.split(/\r?\n/); - var count = 0; - var res = []; - for (var i = 0; i < lines.length; i++) { - count += lines[i].length + 1; - if (count >= start) { - for (var j = i - range; j <= i + range || end > count; j++) { - if (j < 0 || j >= lines.length) { continue } - res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "| " + (lines[j]))); - var lineLength = lines[j].length; - if (j === i) { - // push underline - var pad = start - (count - lineLength) + 1; - var length = end > count ? lineLength - pad : end - start; - res.push(" | " + repeat$1(" ", pad) + repeat$1("^", length)); - } else if (j > i) { - if (end > count) { - var length$1 = Math.min(end - count, lineLength); - res.push(" | " + repeat$1("^", length$1)); - } - count += lineLength + 1; - } - } - break - } - } - return res.join('\n') - } - - function repeat$1 (str, n) { - var result = ''; - if (n > 0) { - while (true) { // eslint-disable-line - if (n & 1) { result += str; } - n >>>= 1; - if (n <= 0) { break } - str += str; - } - } - return result - } - - /* */ - - - - function createFunction (code, errors) { - try { - return new Function(code) - } catch (err) { - errors.push({ err: err, code: code }); - return noop - } - } - - function createCompileToFunctionFn (compile) { - var cache = Object.create(null); - - return function compileToFunctions ( - template, - options, - vm - ) { - options = extend({}, options); - var warn$$1 = options.warn || warn; - delete options.warn; - - /* istanbul ignore if */ - { - // detect possible CSP restriction - try { - new Function('return 1'); - } catch (e) { - if (e.toString().match(/unsafe-eval|CSP/)) { - warn$$1( - 'It seems you are using the standalone build of Vue.js in an ' + - 'environment with Content Security Policy that prohibits unsafe-eval. ' + - 'The template compiler cannot work in this environment. Consider ' + - 'relaxing the policy to allow unsafe-eval or pre-compiling your ' + - 'templates into render functions.' - ); - } - } - } - - // check cache - var key = options.delimiters - ? String(options.delimiters) + template - : template; - if (cache[key]) { - return cache[key] - } - - // compile - var compiled = compile(template, options); - - // check compilation errors/tips - { - if (compiled.errors && compiled.errors.length) { - if (options.outputSourceRange) { - compiled.errors.forEach(function (e) { - warn$$1( - "Error compiling template:\n\n" + (e.msg) + "\n\n" + - generateCodeFrame(template, e.start, e.end), - vm - ); - }); - } else { - warn$$1( - "Error compiling template:\n\n" + template + "\n\n" + - compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n', - vm - ); - } - } - if (compiled.tips && compiled.tips.length) { - if (options.outputSourceRange) { - compiled.tips.forEach(function (e) { return tip(e.msg, vm); }); - } else { - compiled.tips.forEach(function (msg) { return tip(msg, vm); }); - } - } - } - - // turn code into functions - var res = {}; - var fnGenErrors = []; - res.render = createFunction(compiled.render, fnGenErrors); - res.staticRenderFns = compiled.staticRenderFns.map(function (code) { - return createFunction(code, fnGenErrors) - }); - - // check function generation errors. - // this should only happen if there is a bug in the compiler itself. - // mostly for codegen development use - /* istanbul ignore if */ - { - if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) { - warn$$1( - "Failed to generate render function:\n\n" + - fnGenErrors.map(function (ref) { - var err = ref.err; - var code = ref.code; - - return ((err.toString()) + " in\n\n" + code + "\n"); - }).join('\n'), - vm - ); - } - } - - return (cache[key] = res) - } - } - - /* */ - - function createCompilerCreator (baseCompile) { - return function createCompiler (baseOptions) { - function compile ( - template, - options - ) { - var finalOptions = Object.create(baseOptions); - var errors = []; - var tips = []; - - var warn = function (msg, range, tip) { - (tip ? tips : errors).push(msg); - }; - - if (options) { - if (options.outputSourceRange) { - // $flow-disable-line - var leadingSpaceLength = template.match(/^\s*/)[0].length; - - warn = function (msg, range, tip) { - var data = { msg: msg }; - if (range) { - if (range.start != null) { - data.start = range.start + leadingSpaceLength; - } - if (range.end != null) { - data.end = range.end + leadingSpaceLength; - } - } - (tip ? tips : errors).push(data); - }; - } - // merge custom modules - if (options.modules) { - finalOptions.modules = - (baseOptions.modules || []).concat(options.modules); - } - // merge custom directives - if (options.directives) { - finalOptions.directives = extend( - Object.create(baseOptions.directives || null), - options.directives - ); - } - // copy other options - for (var key in options) { - if (key !== 'modules' && key !== 'directives') { - finalOptions[key] = options[key]; - } - } - } - - finalOptions.warn = warn; - - var compiled = baseCompile(template.trim(), finalOptions); - { - detectErrors(compiled.ast, warn); - } - compiled.errors = errors; - compiled.tips = tips; - return compiled - } - - return { - compile: compile, - compileToFunctions: createCompileToFunctionFn(compile) - } - } - } - - /* */ - - // `createCompilerCreator` allows creating compilers that use alternative - // parser/optimizer/codegen, e.g the SSR optimizing compiler. - // Here we just export a default compiler using the default parts. - var createCompiler = createCompilerCreator(function baseCompile ( - template, - options - ) { - var ast = parse(template.trim(), options); - if (options.optimize !== false) { - optimize(ast, options); - } - var code = generate(ast, options); - return { - ast: ast, - render: code.render, - staticRenderFns: code.staticRenderFns - } - }); - - /* */ - - var ref$1 = createCompiler(baseOptions); - var compile = ref$1.compile; - var compileToFunctions = ref$1.compileToFunctions; - - /* */ - - // check whether current browser encodes a char inside attribute values - var div; - function getShouldDecode (href) { - div = div || document.createElement('div'); - div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>"; - return div.innerHTML.indexOf(' ') > 0 - } - - // #3663: IE encodes newlines inside attribute values while other browsers don't - var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false; - // #6828: chrome encodes content in a[href] - var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false; - - /* */ - - var idToTemplate = cached(function (id) { - var el = query(id); - return el && el.innerHTML - }); - - var mount = Vue.prototype.$mount; - Vue.prototype.$mount = function ( - el, - hydrating - ) { - el = el && query(el); - - /* istanbul ignore if */ - if (el === document.body || el === document.documentElement) { - warn( - "Do not mount Vue to <html> or <body> - mount to normal elements instead." - ); - return this - } - - var options = this.$options; - // resolve template/el and convert to render function - if (!options.render) { - var template = options.template; - if (template) { - if (typeof template === 'string') { - if (template.charAt(0) === '#') { - template = idToTemplate(template); - /* istanbul ignore if */ - if (!template) { - warn( - ("Template element not found or is empty: " + (options.template)), - this - ); - } - } - } else if (template.nodeType) { - template = template.innerHTML; - } else { - { - warn('invalid template option:' + template, this); - } - return this - } - } else if (el) { - template = getOuterHTML(el); - } - if (template) { - /* istanbul ignore if */ - if (config.performance && mark) { - mark('compile'); - } - - var ref = compileToFunctions(template, { - outputSourceRange: "development" !== 'production', - shouldDecodeNewlines: shouldDecodeNewlines, - shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref, - delimiters: options.delimiters, - comments: options.comments - }, this); - var render = ref.render; - var staticRenderFns = ref.staticRenderFns; - options.render = render; - options.staticRenderFns = staticRenderFns; - - /* istanbul ignore if */ - if (config.performance && mark) { - mark('compile end'); - measure(("vue " + (this._name) + " compile"), 'compile', 'compile end'); - } - } - } - return mount.call(this, el, hydrating) - }; - - /** - * Get outerHTML of elements, taking care - * of SVG elements in IE as well. - */ - function getOuterHTML (el) { - if (el.outerHTML) { - return el.outerHTML - } else { - var container = document.createElement('div'); - container.appendChild(el.cloneNode(true)); - return container.innerHTML - } - } - - Vue.compile = compileToFunctions; - - return Vue; - - })); \ No newline at end of file -- libgit2 0.27.0