/*! * Vue.js v2.6.11 * (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. // Technically 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 special 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 if (isDef(data) && isDef(data.nativeOn)) { warn( ("The .native modifier for v-on is only valid on components but it was used on <" + tag + ">."), context ); } 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 because 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 = '2.6.11'; /* */ // 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 (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(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(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([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 passed 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 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 (name === 'v-slot' || name[0] === '#') { checkFunctionParameterExpression(value, (name + "=\"" + 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 stripped = exp.replace(stripStringRE, ''); var keywordMatch = stripped.match(unaryOperatorsRE); if (keywordMatch && stripped.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 ); } } } function checkFunctionParameterExpression (exp, text, warn, range) { try { new Function(exp, ''); } catch (e) { warn( "invalid function parameter 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; }));