diff --git a/Site/JS/main.js b/Site/JS/main.js
index 909a92061..a52a8a30e 100644
--- a/Site/JS/main.js
+++ b/Site/JS/main.js
@@ -1,6 +1,6 @@
-var ws = new WebSocket("ws://localhost:8888/websocket");
+let ws = new WebSocket("ws://localhost:8888/websocket");
// ws.onopen = function () {
-// ws.send("hello");
+// ws.send("hello");
// }
// ws.onmessage = function (ev) {
// alert(ev.data);
diff --git a/Site/JS/vue.js b/Site/JS/vue.js
deleted file mode 100644
index 75140b119..000000000
--- a/Site/JS/vue.js
+++ /dev/null
@@ -1,11912 +0,0 @@
-/*!
- * Vue.js v2.6.8
- * (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 '
'
- }
- 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)) + ">") : "") +
- (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)) {
- // issue #9511
- // reassign to res to avoid catch triggering multiple times when nested calls
- res = res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
- }
- } catch (e) {
- handleError(e, vm, info);
- }
- return res
- }
-
- function globalHandleError (err, vm, info) {
- if (config.errorHandler) {
- try {
- return config.errorHandler.call(null, err, vm, info)
- } catch (e) {
- // if the user intentionally throws the original error in the handler,
- // do not log it twice
- if (e !== err) {
- logError(e, null, 'config.errorHandler');
- }
- }
- }
- logError(err, vm, info);
- }
-
- function logError (err, vm, info) {
- {
- warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
- }
- /* istanbul ignore else */
- if ((inBrowser || inWeex) && typeof console !== 'undefined') {
- console.error(err);
- } else {
- throw err
- }
- }
-
- /* */
-
- var isUsingMicroTask = false;
-
- var callbacks = [];
- var pending = false;
-
- function flushCallbacks () {
- pending = false;
- var copies = callbacks.slice(0);
- callbacks.length = 0;
- for (var i = 0; i < copies.length; i++) {
- copies[i]();
- }
- }
-
- // Here we have async deferring wrappers using microtasks.
- // In 2.5 we used (macro) tasks (in combination with microtasks).
- // However, it has subtle problems when state is changed right before repaint
- // (e.g. #6813, out-in transitions).
- // Also, using (macro) tasks in event handler would cause some weird behaviors
- // that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
- // So we now use microtasks everywhere, again.
- // A major drawback of this tradeoff is that there are some scenarios
- // where microtasks have too high a priority and fire in between supposedly
- // sequential events (e.g. #4521, #6690, which have workarounds)
- // or even between bubbling of the same event (#6566).
- var timerFunc;
-
- // The nextTick behavior leverages the microtask queue, which can be accessed
- // via either native Promise.then or MutationObserver.
- // MutationObserver has wider support, however it is seriously bugged in
- // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
- // completely stops working after triggering a few times... so, if native
- // Promise is available, we will use it:
- /* istanbul ignore next, $flow-disable-line */
- if (typeof Promise !== 'undefined' && isNative(Promise)) {
- var p = Promise.resolve();
- timerFunc = function () {
- p.then(flushCallbacks);
- // In problematic UIWebViews, Promise.then doesn't completely break, but
- // it can get stuck in a weird state where callbacks are pushed into the
- // microtask queue but the queue isn't being flushed, until the browser
- // needs to do some other work, e.g. handle a timer. Therefore we can
- // "force" the microtask queue to be flushed by adding an empty timer.
- if (isIOS) { setTimeout(noop); }
- };
- isUsingMicroTask = true;
- } else if (!isIE && typeof MutationObserver !== 'undefined' && (
- isNative(MutationObserver) ||
- // PhantomJS and iOS 7.x
- MutationObserver.toString() === '[object MutationObserverConstructor]'
- )) {
- // Use MutationObserver where native Promise is not available,
- // e.g. PhantomJS, iOS7, Android 4.4
- // (#6466 MutationObserver is unreliable in IE11)
- var counter = 1;
- var observer = new MutationObserver(flushCallbacks);
- var textNode = document.createTextNode(String(counter));
- observer.observe(textNode, {
- characterData: true
- });
- timerFunc = function () {
- counter = (counter + 1) % 2;
- textNode.data = String(counter);
- };
- isUsingMicroTask = true;
- } else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
- // Fallback to setImmediate.
- // Techinically it leverages the (macro) task queue,
- // but it is still a better choice than setTimeout.
- timerFunc = function () {
- setImmediate(flushCallbacks);
- };
- } else {
- // Fallback to setTimeout.
- timerFunc = function () {
- setTimeout(flushCallbacks, 0);
- };
- }
-
- function nextTick (cb, ctx) {
- var _resolve;
- callbacks.push(function () {
- if (cb) {
- try {
- cb.call(ctx);
- } catch (e) {
- handleError(e, ctx, 'nextTick');
- }
- } else if (_resolve) {
- _resolve(ctx);
- }
- });
- if (!pending) {
- pending = true;
- timerFunc();
- }
- // $flow-disable-line
- if (!cb && typeof Promise !== 'undefined') {
- return new Promise(function (resolve) {
- _resolve = resolve;
- })
- }
- }
-
- /* */
-
- var mark;
- var measure;
-
- {
- var perf = inBrowser && window.performance;
- /* istanbul ignore if */
- if (
- perf &&
- perf.mark &&
- perf.measure &&
- perf.clearMarks &&
- perf.clearMeasures
- ) {
- mark = function (tag) { return perf.mark(tag); };
- measure = function (name, startTag, endTag) {
- perf.measure(name, startTag, endTag);
- perf.clearMarks(startTag);
- perf.clearMarks(endTag);
- // perf.clearMeasures(name)
- };
- }
- }
-
- /* not type checking this file because flow doesn't play well with Proxy */
-
- var initProxy;
-
- {
- var allowedGlobals = makeMap(
- 'Infinity,undefined,NaN,isFinite,isNaN,' +
- 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
- 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
- 'require' // for Webpack/Browserify
- );
-
- var warnNonPresent = function (target, key) {
- warn(
- "Property or method \"" + key + "\" is not defined on the instance but " +
- 'referenced during render. Make sure that this property is reactive, ' +
- 'either in the data option, or for class-based components, by ' +
- 'initializing the property. ' +
- 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
- target
- );
- };
-
- var warnReservedPrefix = function (target, key) {
- warn(
- "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
- 'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
- 'prevent conflicts with Vue internals' +
- 'See: https://vuejs.org/v2/api/#data',
- target
- );
- };
-
- var hasProxy =
- typeof Proxy !== 'undefined' && isNative(Proxy);
-
- if (hasProxy) {
- var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
- config.keyCodes = new Proxy(config.keyCodes, {
- set: function set (target, key, value) {
- if (isBuiltInModifier(key)) {
- warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
- return false
- } else {
- target[key] = value;
- return true
- }
- }
- });
- }
-
- var hasHandler = {
- has: function has (target, key) {
- var has = key in target;
- var isAllowed = allowedGlobals(key) ||
- (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
- if (!has && !isAllowed) {
- if (key in target.$data) { warnReservedPrefix(target, key); }
- else { warnNonPresent(target, key); }
- }
- return has || !isAllowed
- }
- };
-
- var getHandler = {
- get: function get (target, key) {
- if (typeof key === 'string' && !(key in target)) {
- if (key in target.$data) { warnReservedPrefix(target, key); }
- else { warnNonPresent(target, key); }
- }
- return target[key]
- }
- };
-
- initProxy = function initProxy (vm) {
- if (hasProxy) {
- // determine which proxy handler to use
- var options = vm.$options;
- var handlers = options.render && options.render._withStripped
- ? getHandler
- : hasHandler;
- vm._renderProxy = new Proxy(vm, handlers);
- } else {
- vm._renderProxy = vm;
- }
- };
- }
-
- /* */
-
- var seenObjects = new _Set();
-
- /**
- * Recursively traverse an object to evoke all converted
- * getters, so that every nested property inside the object
- * is collected as a "deep" dependency.
- */
- function traverse (val) {
- _traverse(val, seenObjects);
- seenObjects.clear();
- }
-
- function _traverse (val, seen) {
- var i, keys;
- var isA = Array.isArray(val);
- if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
- return
- }
- if (val.__ob__) {
- var depId = val.__ob__.dep.id;
- if (seen.has(depId)) {
- return
- }
- seen.add(depId);
- }
- if (isA) {
- i = val.length;
- while (i--) { _traverse(val[i], seen); }
- } else {
- keys = Object.keys(val);
- i = keys.length;
- while (i--) { _traverse(val[keys[i]], seen); }
- }
- }
-
- /* */
-
- var normalizeEvent = cached(function (name) {
- var passive = name.charAt(0) === '&';
- name = passive ? name.slice(1) : name;
- var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
- name = once$$1 ? name.slice(1) : name;
- var capture = name.charAt(0) === '!';
- name = capture ? name.slice(1) : name;
- return {
- name: name,
- once: once$$1,
- capture: capture,
- passive: passive
- }
- });
-
- function createFnInvoker (fns, vm) {
- function invoker () {
- var arguments$1 = arguments;
-
- var fns = invoker.fns;
- if (Array.isArray(fns)) {
- var cloned = fns.slice();
- for (var i = 0; i < cloned.length; i++) {
- invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
- }
- } else {
- // return handler return value for single handlers
- return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
- }
- }
- invoker.fns = fns;
- return invoker
- }
-
- function updateListeners (
- on,
- oldOn,
- add,
- remove$$1,
- createOnceHandler,
- vm
- ) {
- var name, def$$1, cur, old, event;
- for (name in on) {
- def$$1 = cur = on[name];
- old = oldOn[name];
- event = normalizeEvent(name);
- if (isUndef(cur)) {
- warn(
- "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
- vm
- );
- } else if (isUndef(old)) {
- if (isUndef(cur.fns)) {
- cur = on[name] = createFnInvoker(cur, vm);
- }
- if (isTrue(event.once)) {
- cur = on[name] = createOnceHandler(event.name, cur, event.capture);
- }
- add(event.name, cur, event.capture, event.passive, event.params);
- } else if (cur !== old) {
- old.fns = cur;
- on[name] = old;
- }
- }
- for (name in oldOn) {
- if (isUndef(on[name])) {
- event = normalizeEvent(name);
- remove$$1(event.name, oldOn[name], event.capture);
- }
- }
- }
-
- /* */
-
- function mergeVNodeHook (def, hookKey, hook) {
- if (def instanceof VNode) {
- def = def.data.hook || (def.data.hook = {});
- }
- var invoker;
- var oldHook = def[hookKey];
-
- function wrappedHook () {
- hook.apply(this, arguments);
- // important: remove merged hook to ensure it's called only once
- // and prevent memory leak
- remove(invoker.fns, wrappedHook);
- }
-
- if (isUndef(oldHook)) {
- // no existing hook
- invoker = createFnInvoker([wrappedHook]);
- } else {
- /* istanbul ignore if */
- if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
- // already a merged invoker
- invoker = oldHook;
- invoker.fns.push(wrappedHook);
- } else {
- // existing plain hook
- invoker = createFnInvoker([oldHook, wrappedHook]);
- }
- }
-
- invoker.merged = true;
- def[hookKey] = invoker;
- }
-
- /* */
-
- function extractPropsFromVNodeData (
- data,
- Ctor,
- tag
- ) {
- // we are only extracting raw values here.
- // validation and default values are handled in the child
- // component itself.
- var propOptions = Ctor.options.props;
- if (isUndef(propOptions)) {
- return
- }
- var res = {};
- var attrs = data.attrs;
- var props = data.props;
- if (isDef(attrs) || isDef(props)) {
- for (var key in propOptions) {
- var altKey = hyphenate(key);
- {
- var keyInLowerCase = key.toLowerCase();
- if (
- key !== keyInLowerCase &&
- attrs && hasOwn(attrs, keyInLowerCase)
- ) {
- tip(
- "Prop \"" + keyInLowerCase + "\" is passed to component " +
- (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
- " \"" + key + "\". " +
- "Note that HTML attributes are case-insensitive and camelCased " +
- "props need to use their kebab-case equivalents when using in-DOM " +
- "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
- );
- }
- }
- checkProp(res, props, key, altKey, true) ||
- checkProp(res, attrs, key, altKey, false);
- }
- }
- return res
- }
-
- function checkProp (
- res,
- hash,
- key,
- altKey,
- preserve
- ) {
- if (isDef(hash)) {
- if (hasOwn(hash, key)) {
- res[key] = hash[key];
- if (!preserve) {
- delete hash[key];
- }
- return true
- } else if (hasOwn(hash, altKey)) {
- res[key] = hash[altKey];
- if (!preserve) {
- delete hash[altKey];
- }
- return true
- }
- }
- return false
- }
-
- /* */
-
- // The template compiler attempts to minimize the need for normalization by
- // statically analyzing the template at compile time.
- //
- // For plain HTML markup, normalization can be completely skipped because the
- // generated render function is guaranteed to return Array. 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. , , 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 isStable = slots ? !!slots.$stable : true;
- 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 &&
- Object.keys(normalSlots).length === 0
- ) {
- // 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);
- 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
- ? 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
- */
- 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);
- if (!(key in hash) && !(camelizedKey in hash)) {
- hash[key] = value[key];
-
- if (isSync) {
- var on = data.on || (data.on = {});
- on[("update:" + camelizedKey)] = function ($event) {
- value[key] = $event;
- };
- }
- }
- };
-
- for (var key in value) loop( key );
- }
- }
- return data
- }
-
- /* */
-
- /**
- * Runtime helper for rendering static trees.
- */
- function renderStatic (
- index,
- isInFor
- ) {
- var cached = this._staticTrees || (this._staticTrees = []);
- var tree = cached[index];
- // if has already-rendered static tree and not inside v-for,
- // we can reuse the same tree.
- if (tree && !isInFor) {
- return tree
- }
- // otherwise, render a fresh tree.
- tree = cached[index] = this.$options.staticRenderFns[index].call(
- this._renderProxy,
- null,
- this // for render fns generated for functional component templates
- );
- markStatic(tree, ("__static__" + index), false);
- return tree
- }
-
- /**
- * Runtime helper for v-once.
- * Effectively it means marking the node as static with a unique key.
- */
- function markOnce (
- tree,
- index,
- key
- ) {
- markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
- return tree
- }
-
- function markStatic (
- tree,
- key,
- isOnce
- ) {
- if (Array.isArray(tree)) {
- for (var i = 0; i < tree.length; i++) {
- if (tree[i] && typeof tree[i] !== 'string') {
- markStaticNode(tree[i], (key + "_" + i), isOnce);
- }
- }
- } else {
- markStaticNode(tree, key, isOnce);
- }
- }
-
- function markStaticNode (node, key, isOnce) {
- node.isStatic = true;
- node.key = key;
- node.isOnce = isOnce;
- }
-
- /* */
-
- function bindObjectListeners (data, value) {
- if (value) {
- if (!isPlainObject(value)) {
- warn(
- 'v-on without argument expects an Object value',
- this
- );
- } else {
- var on = data.on = data.on ? extend({}, data.on) : {};
- for (var key in value) {
- var existing = on[key];
- var ours = value[key];
- on[key] = existing ? [].concat(existing, ours) : ours;
- }
- }
- }
- return data
- }
-
- /* */
-
- function resolveScopedSlots (
- fns, // see flow/vnode
- res,
- // the following are added in 2.6
- hasDynamicKeys,
- contentHashKey
- ) {
- res = res || { $stable: !hasDynamicKeys };
- for (var i = 0; i < fns.length; i++) {
- var slot = fns[i];
- if (Array.isArray(slot)) {
- resolveScopedSlots(slot, res, hasDynamicKeys);
- } else if (slot) {
- // marker for reverse proxying v-slot without scope on this.$slots
- if (slot.proxy) {
- slot.fn.proxy = true;
- }
- res[slot.key] = slot.fn;
- }
- }
- if (contentHashKey) {
- (res).$key = contentHashKey;
- }
- return res
- }
-
- /* */
-
- function bindDynamicKeys (baseObj, values) {
- for (var i = 0; i < values.length; i += 2) {
- var key = values[i];
- if (typeof key === 'string' && key) {
- baseObj[values[i]] = values[i + 1];
- } else if (key !== '' && key !== null) {
- // null is a speical value for explicitly removing a binding
- warn(
- ("Invalid value for dynamic directive argument (expected string or null): " + key),
- this
- );
- }
- }
- return baseObj
- }
-
- // helper to dynamically append modifier runtime markers to event names.
- // ensure only append when value is already string, otherwise it will be cast
- // to string and cause the type check to miss.
- function prependModifier (value, symbol) {
- return typeof value === 'string' ? symbol + value : value
- }
-
- /* */
-
- function installRenderHelpers (target) {
- target._o = markOnce;
- target._n = toNumber;
- target._s = toString;
- target._l = renderList;
- target._t = renderSlot;
- target._q = looseEqual;
- target._i = looseIndexOf;
- target._m = renderStatic;
- target._f = resolveFilter;
- target._k = checkKeyCodes;
- target._b = bindObjectProps;
- target._v = createTextVNode;
- target._e = createEmptyVNode;
- target._u = resolveScopedSlots;
- target._g = bindObjectListeners;
- target._d = bindDynamicKeys;
- target._p = prependModifier;
- }
-
- /* */
-
- function FunctionalRenderContext (
- data,
- props,
- children,
- parent,
- Ctor
- ) {
- var this$1 = this;
-
- var options = Ctor.options;
- // ensure the createElement function in functional components
- // gets a unique context - this is necessary for correct named slot check
- var contextVm;
- if (hasOwn(parent, '_uid')) {
- contextVm = Object.create(parent);
- // $flow-disable-line
- contextVm._original = parent;
- } else {
- // the context vm passed in is a functional context as well.
- // in this case we want to make sure we are able to get a hold to the
- // real context instance.
- contextVm = parent;
- // $flow-disable-line
- parent = parent._original;
- }
- var isCompiled = isTrue(options._compiled);
- var needNormalization = !isCompiled;
-
- this.data = data;
- this.props = props;
- this.children = children;
- this.parent = parent;
- this.listeners = data.on || emptyObject;
- this.injections = resolveInject(options.inject, parent);
- this.slots = function () {
- if (!this$1.$slots) {
- normalizeScopedSlots(
- data.scopedSlots,
- this$1.$slots = resolveSlots(children, parent)
- );
- }
- return this$1.$slots
- };
-
- Object.defineProperty(this, 'scopedSlots', ({
- enumerable: true,
- get: function get () {
- return normalizeScopedSlots(data.scopedSlots, this.slots())
- }
- }));
-
- // support for compiled functional template
- if (isCompiled) {
- // exposing $options for renderStatic()
- this.$options = options;
- // pre-resolve slots for renderSlot()
- this.$slots = this.slots();
- this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
- }
-
- if (options._scopeId) {
- this._c = function (a, b, c, d) {
- var vnode = createElement(contextVm, a, b, c, d, needNormalization);
- if (vnode && !Array.isArray(vnode)) {
- vnode.fnScopeId = options._scopeId;
- vnode.fnContext = parent;
- }
- return vnode
- };
- } else {
- this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
- }
- }
-
- installRenderHelpers(FunctionalRenderContext.prototype);
-
- function createFunctionalComponent (
- Ctor,
- propsData,
- data,
- contextVm,
- children
- ) {
- var options = Ctor.options;
- var props = {};
- var propOptions = options.props;
- if (isDef(propOptions)) {
- for (var key in propOptions) {
- props[key] = validateProp(key, propOptions, propsData || emptyObject);
- }
- } else {
- if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
- if (isDef(data.props)) { mergeProps(props, data.props); }
- }
-
- var renderContext = new FunctionalRenderContext(
- data,
- props,
- children,
- contextVm,
- Ctor
- );
-
- var vnode = options.render.call(null, renderContext._c, renderContext);
-
- if (vnode instanceof VNode) {
- return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
- } else if (Array.isArray(vnode)) {
- var vnodes = normalizeChildren(vnode) || [];
- var res = new Array(vnodes.length);
- for (var i = 0; i < vnodes.length; i++) {
- res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
- }
- return res
- }
- }
-
- function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
- // #7817 clone node before setting fnContext, otherwise if the node is reused
- // (e.g. it was from a cached normal slot) the fnContext causes named slots
- // that should not be matched to match.
- var clone = cloneVNode(vnode);
- clone.fnContext = contextVm;
- clone.fnOptions = options;
- {
- (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
- }
- if (data.slot) {
- (clone.data || (clone.data = {})).slot = data.slot;
- }
- return clone
- }
-
- function mergeProps (to, from) {
- for (var key in from) {
- to[camelize(key)] = from[key];
- }
- }
-
- /* */
-
- /* */
-
- /* */
-
- /* */
-
- // inline hooks to be invoked on component VNodes during patch
- var componentVNodeHooks = {
- init: function init (vnode, hydrating) {
- if (
- vnode.componentInstance &&
- !vnode.componentInstance._isDestroyed &&
- vnode.data.keepAlive
- ) {
- // kept-alive components, treat as a patch
- var mountedNode = vnode; // work around flow
- componentVNodeHooks.prepatch(mountedNode, mountedNode);
- } else {
- var child = vnode.componentInstance = createComponentInstanceForVnode(
- vnode,
- activeInstance
- );
- child.$mount(hydrating ? vnode.elm : undefined, hydrating);
- }
- },
-
- prepatch: function prepatch (oldVnode, vnode) {
- var options = vnode.componentOptions;
- var child = vnode.componentInstance = oldVnode.componentInstance;
- updateChildComponent(
- child,
- options.propsData, // updated props
- options.listeners, // updated listeners
- vnode, // new parent vnode
- options.children // new children
- );
- },
-
- insert: function insert (vnode) {
- var context = vnode.context;
- var componentInstance = vnode.componentInstance;
- if (!componentInstance._isMounted) {
- componentInstance._isMounted = true;
- callHook(componentInstance, 'mounted');
- }
- if (vnode.data.keepAlive) {
- if (context._isMounted) {
- // vue-router#1212
- // During updates, a kept-alive component's child components may
- // change, so directly walking the tree here may call activated hooks
- // on incorrect children. Instead we push them into a queue which will
- // be processed after the whole patch process ended.
- queueActivatedComponent(componentInstance);
- } else {
- activateChildComponent(componentInstance, true /* direct */);
- }
- }
- },
-
- destroy: function destroy (vnode) {
- var componentInstance = vnode.componentInstance;
- if (!componentInstance._isDestroyed) {
- if (!vnode.data.keepAlive) {
- componentInstance.$destroy();
- } else {
- deactivateChildComponent(componentInstance, true /* direct */);
- }
- }
- }
- };
-
- var hooksToMerge = Object.keys(componentVNodeHooks);
-
- function createComponent (
- Ctor,
- data,
- context,
- children,
- tag
- ) {
- if (isUndef(Ctor)) {
- return
- }
-
- var baseCtor = context.$options._base;
-
- // plain options object: turn it into a constructor
- if (isObject(Ctor)) {
- Ctor = baseCtor.extend(Ctor);
- }
-
- // if at this stage it's not a constructor or an async component factory,
- // reject.
- if (typeof Ctor !== 'function') {
- {
- warn(("Invalid Component definition: " + (String(Ctor))), context);
- }
- return
- }
-
- // async component
- var asyncFactory;
- if (isUndef(Ctor.cid)) {
- asyncFactory = Ctor;
- Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
- if (Ctor === undefined) {
- // return a placeholder node for async component, which is rendered
- // as a comment node but preserves all the raw information for the node.
- // the information will be used for async server-rendering and hydration.
- return createAsyncPlaceholder(
- asyncFactory,
- data,
- context,
- children,
- tag
- )
- }
- }
-
- data = data || {};
-
- // resolve constructor options in case global mixins are applied after
- // component constructor creation
- resolveConstructorOptions(Ctor);
-
- // transform component v-model data into props & events
- if (isDef(data.model)) {
- transformModel(Ctor.options, data);
- }
-
- // extract props
- var propsData = extractPropsFromVNodeData(data, Ctor, tag);
-
- // functional component
- if (isTrue(Ctor.options.functional)) {
- return createFunctionalComponent(Ctor, propsData, data, context, children)
- }
-
- // extract listeners, since these needs to be treated as
- // child component listeners instead of DOM listeners
- var listeners = data.on;
- // replace with listeners with .native modifier
- // so it gets processed during parent component patch.
- data.on = data.nativeOn;
-
- if (isTrue(Ctor.options.abstract)) {
- // abstract components do not keep anything
- // other than props & listeners & slot
-
- // work around flow
- var slot = data.slot;
- data = {};
- if (slot) {
- data.slot = slot;
- }
- }
-
- // install component management hooks onto the placeholder node
- installComponentHooks(data);
-
- // return a placeholder vnode
- var name = Ctor.options.name || tag;
- var vnode = new VNode(
- ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
- data, undefined, undefined, undefined, context,
- { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
- asyncFactory
- );
-
- return vnode
- }
-
- function createComponentInstanceForVnode (
- vnode, // we know it's MountedComponentVNode but flow doesn't
- parent // activeInstance in lifecycle state
- ) {
- var options = {
- _isComponent: true,
- _parentVnode: vnode,
- parent: parent
- };
- // check inline-template render functions
- var inlineTemplate = vnode.data.inlineTemplate;
- if (isDef(inlineTemplate)) {
- options.render = inlineTemplate.render;
- options.staticRenderFns = inlineTemplate.staticRenderFns;
- }
- return new vnode.componentOptions.Ctor(options)
- }
-
- function installComponentHooks (data) {
- var hooks = data.hook || (data.hook = {});
- for (var i = 0; i < hooksToMerge.length; i++) {
- var key = hooksToMerge[i];
- var existing = hooks[key];
- var toMerge = componentVNodeHooks[key];
- if (existing !== toMerge && !(existing && existing._merged)) {
- hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
- }
- }
- }
-
- function mergeHook$1 (f1, f2) {
- var merged = function (a, b) {
- // flow complains about extra args which is why we use any
- f1(a, b);
- f2(a, b);
- };
- merged._merged = true;
- return merged
- }
-
- // transform component v-model info (value and callback) into
- // prop and event handler respectively.
- function transformModel (options, data) {
- var prop = (options.model && options.model.prop) || 'value';
- var event = (options.model && options.model.event) || 'input'
- ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
- var on = data.on || (data.on = {});
- var existing = on[event];
- var callback = data.model.callback;
- if (isDef(existing)) {
- if (
- Array.isArray(existing)
- ? existing.indexOf(callback) === -1
- : existing !== callback
- ) {
- on[event] = [callback].concat(existing);
- }
- } else {
- on[event] = callback;
- }
- }
-
- /* */
-
- var SIMPLE_NORMALIZE = 1;
- var ALWAYS_NORMALIZE = 2;
-
- // wrapper function for providing a more flexible interface
- // without getting yelled at by flow
- function createElement (
- context,
- tag,
- data,
- children,
- normalizationType,
- alwaysNormalize
- ) {
- if (Array.isArray(data) || isPrimitive(data)) {
- normalizationType = children;
- children = data;
- data = undefined;
- }
- if (isTrue(alwaysNormalize)) {
- normalizationType = ALWAYS_NORMALIZE;
- }
- return _createElement(context, tag, data, children, normalizationType)
- }
-
- function _createElement (
- context,
- tag,
- data,
- children,
- normalizationType
- ) {
- if (isDef(data) && isDef((data).__ob__)) {
- warn(
- "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
- 'Always create fresh vnode data objects in each render!',
- context
- );
- return createEmptyVNode()
- }
- // object syntax in v-bind
- if (isDef(data) && isDef(data.is)) {
- tag = data.is;
- }
- if (!tag) {
- // in case of component :is set to falsy value
- return createEmptyVNode()
- }
- // warn against non-primitive key
- if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
- ) {
- {
- warn(
- 'Avoid using non-primitive value as key, ' +
- 'use string/number value instead.',
- context
- );
- }
- }
- // support single function children as default scoped slot
- if (Array.isArray(children) &&
- typeof children[0] === 'function'
- ) {
- data = data || {};
- data.scopedSlots = { default: children[0] };
- children.length = 0;
- }
- if (normalizationType === ALWAYS_NORMALIZE) {
- children = normalizeChildren(children);
- } else if (normalizationType === SIMPLE_NORMALIZE) {
- children = simpleNormalizeChildren(children);
- }
- var vnode, ns;
- if (typeof tag === 'string') {
- var Ctor;
- ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
- if (config.isReservedTag(tag)) {
- // platform built-in elements
- vnode = new VNode(
- config.parsePlatformTagName(tag), data, children,
- undefined, undefined, context
- );
- } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
- // component
- vnode = createComponent(Ctor, data, context, children, tag);
- } else {
- // unknown or unlisted namespaced elements
- // check at runtime because it may get assigned a namespace when its
- // parent normalizes children
- vnode = new VNode(
- tag, data, children,
- undefined, undefined, context
- );
- }
- } else {
- // direct component options / constructor
- vnode = createComponent(tag, data, context, children);
- }
- if (Array.isArray(vnode)) {
- return vnode
- } else if (isDef(vnode)) {
- if (isDef(ns)) { applyNS(vnode, ns); }
- if (isDef(data)) { registerDeepBindings(data); }
- return vnode
- } else {
- return createEmptyVNode()
- }
- }
-
- function applyNS (vnode, ns, force) {
- vnode.ns = ns;
- if (vnode.tag === 'foreignObject') {
- // use default namespace inside foreignObject
- ns = undefined;
- force = true;
- }
- if (isDef(vnode.children)) {
- for (var i = 0, l = vnode.children.length; i < l; i++) {
- var child = vnode.children[i];
- if (isDef(child.tag) && (
- isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
- applyNS(child, ns, force);
- }
- }
- }
- }
-
- // ref #5318
- // necessary to ensure parent re-render when deep bindings like :style and
- // :class are used on slot nodes
- function registerDeepBindings (data) {
- if (isObject(data.style)) {
- traverse(data.style);
- }
- if (isObject(data.class)) {
- traverse(data.class);
- }
- }
-
- /* */
-
- function initRender (vm) {
- vm._vnode = null; // the root of the child tree
- vm._staticTrees = null; // v-once cached trees
- var options = vm.$options;
- var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
- var renderContext = parentVnode && parentVnode.context;
- vm.$slots = resolveSlots(options._renderChildren, renderContext);
- vm.$scopedSlots = emptyObject;
- // bind the createElement fn to this instance
- // so that we get proper render context inside it.
- // args order: tag, data, children, normalizationType, alwaysNormalize
- // internal version is used by render functions compiled from templates
- vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
- // normalization is always applied for the public version, used in
- // user-written render functions.
- vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };
-
- // $attrs & $listeners are exposed for easier HOC creation.
- // they need to be reactive so that HOCs using them are always updated
- var parentData = parentVnode && parentVnode.data;
-
- /* istanbul ignore else */
- {
- defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
- !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
- }, true);
- defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
- !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
- }, true);
- }
- }
-
- var currentRenderingInstance = null;
-
- function renderMixin (Vue) {
- // install runtime convenience helpers
- installRenderHelpers(Vue.prototype);
-
- Vue.prototype.$nextTick = function (fn) {
- return nextTick(fn, this)
- };
-
- Vue.prototype._render = function () {
- var vm = this;
- var ref = vm.$options;
- var render = ref.render;
- var _parentVnode = ref._parentVnode;
-
- if (_parentVnode) {
- vm.$scopedSlots = normalizeScopedSlots(
- _parentVnode.data.scopedSlots,
- vm.$slots,
- vm.$scopedSlots
- );
- }
-
- // set parent vnode. this allows render functions to have access
- // to the data on the placeholder node.
- vm.$vnode = _parentVnode;
- // render self
- var vnode;
- try {
- // There's no need to maintain a stack becaues all render fns are called
- // separately from one another. Nested component's render fns are called
- // when parent component is patched.
- currentRenderingInstance = vm;
- vnode = render.call(vm._renderProxy, vm.$createElement);
- } catch (e) {
- handleError(e, vm, "render");
- // return error render result,
- // or previous vnode to prevent render error causing blank component
- /* istanbul ignore else */
- if (vm.$options.renderError) {
- try {
- vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
- } catch (e) {
- handleError(e, vm, "renderError");
- vnode = vm._vnode;
- }
- } else {
- vnode = vm._vnode;
- }
- } finally {
- currentRenderingInstance = null;
- }
- // if the returned array contains only a single node, allow it
- if (Array.isArray(vnode) && vnode.length === 1) {
- vnode = vnode[0];
- }
- // return empty vnode in case the render function errored out
- if (!(vnode instanceof VNode)) {
- if (Array.isArray(vnode)) {
- warn(
- 'Multiple root nodes returned from render function. Render function ' +
- 'should return a single root node.',
- vm
- );
- }
- vnode = createEmptyVNode();
- }
- // set parent
- vnode.parent = _parentVnode;
- return vnode
- };
- }
-
- /* */
-
- function ensureCtor (comp, base) {
- if (
- comp.__esModule ||
- (hasSymbol && comp[Symbol.toStringTag] === 'Module')
- ) {
- comp = comp.default;
- }
- return isObject(comp)
- ? base.extend(comp)
- : comp
- }
-
- function createAsyncPlaceholder (
- factory,
- data,
- context,
- children,
- tag
- ) {
- var node = createEmptyVNode();
- node.asyncFactory = factory;
- node.asyncMeta = { data: data, context: context, children: children, tag: tag };
- return node
- }
-
- function resolveAsyncComponent (
- factory,
- baseCtor
- ) {
- if (isTrue(factory.error) && isDef(factory.errorComp)) {
- return factory.errorComp
- }
-
- if (isDef(factory.resolved)) {
- return factory.resolved
- }
-
- var owner = currentRenderingInstance;
- if (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 (!isDef(factory.owners)) {
- var owners = factory.owners = [owner];
- var sync = true
-
- ;(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;
- }
- };
-
- 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 {
- setTimeout(function () {
- if (isUndef(factory.resolved) && isUndef(factory.error)) {
- factory.loading = true;
- forceRender(false);
- }
- }, res.delay || 200);
- }
- }
-
- if (isDef(res.timeout)) {
- setTimeout(function () {
- 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.
- if (inBrowser && getNow() > document.createEvent('Event').timeStamp) {
- // if the low-res timestamp which is bigger than the event timestamp
- // (which is evaluated AFTER) it means the event is using a hi-res timestamp,
- // and we need to use the hi-res version for event listeners 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 = '2.6.8';
-
- /* */
-
- // these are reserved for web because they are directly compiled away
- // during template compilation
- var isReservedAttr = makeMap('style,class');
-
- // attributes that should be using props for binding
- var acceptValue = makeMap('input,textarea,option,select,progress');
- var mustUseProp = function (tag, type, attr) {
- return (
- (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
- (attr === 'selected' && tag === 'option') ||
- (attr === 'checked' && tag === 'input') ||
- (attr === 'muted' && tag === 'video')
- )
- };
-
- var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
-
- var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
-
- var convertEnumeratedValue = function (key, value) {
- return isFalsyAttrValue(value) || value === 'false'
- ? 'false'
- // allow arbitrary string value for contenteditable
- : key === 'contenteditable' && isValidContentEditableValue(value)
- ? value
- : 'true'
- };
-
- var isBooleanAttr = makeMap(
- 'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
- 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
- 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
- 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
- 'required,reversed,scoped,seamless,selected,sortable,translate,' +
- 'truespeed,typemustmatch,visible'
- );
-
- var xlinkNS = 'http://www.w3.org/1999/xlink';
-
- var isXlink = function (name) {
- return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
- };
-
- var getXlinkProp = function (name) {
- return isXlink(name) ? name.slice(6, name.length) : ''
- };
-
- var isFalsyAttrValue = function (val) {
- return val == null || val === false
- };
-
- /* */
-
- function genClassForVnode (vnode) {
- var data = vnode.data;
- var parentNode = vnode;
- var childNode = vnode;
- while (isDef(childNode.componentInstance)) {
- childNode = childNode.componentInstance._vnode;
- if (childNode && childNode.data) {
- data = mergeClassData(childNode.data, data);
- }
- }
- while (isDef(parentNode = parentNode.parent)) {
- if (parentNode && parentNode.data) {
- data = mergeClassData(data, parentNode.data);
- }
- }
- return renderClass(data.staticClass, data.class)
- }
-
- function mergeClassData (child, parent) {
- return {
- staticClass: concat(child.staticClass, parent.staticClass),
- class: isDef(child.class)
- ? [child.class, parent.class]
- : parent.class
- }
- }
-
- function renderClass (
- staticClass,
- dynamicClass
- ) {
- if (isDef(staticClass) || isDef(dynamicClass)) {
- return concat(staticClass, stringifyClass(dynamicClass))
- }
- /* istanbul ignore next */
- return ''
- }
-
- function concat (a, b) {
- return a ? b ? (a + ' ' + b) : a : (b || '')
- }
-
- function stringifyClass (value) {
- if (Array.isArray(value)) {
- return stringifyArray(value)
- }
- if (isObject(value)) {
- return stringifyObject(value)
- }
- if (typeof value === 'string') {
- return value
- }
- /* istanbul ignore next */
- return ''
- }
-
- function stringifyArray (value) {
- var res = '';
- var stringified;
- for (var i = 0, l = value.length; i < l; i++) {
- if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
- if (res) { res += ' '; }
- res += stringified;
- }
- }
- return res
- }
-
- function stringifyObject (value) {
- var res = '';
- for (var key in value) {
- if (value[key]) {
- if (res) { res += ' '; }
- res += key;
- }
- }
- return res
- }
-
- /* */
-
- var namespaceMap = {
- svg: 'http://www.w3.org/2000/svg',
- math: 'http://www.w3.org/1998/Math/MathML'
- };
-
- var isHTMLTag = makeMap(
- 'html,body,base,head,link,meta,style,title,' +
- 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
- 'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
- 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
- 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
- 'embed,object,param,source,canvas,script,noscript,del,ins,' +
- 'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
- 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
- 'output,progress,select,textarea,' +
- 'details,dialog,menu,menuitem,summary,' +
- 'content,element,shadow,template,blockquote,iframe,tfoot'
- );
-
- // this map is intentionally selective, only covering SVG elements that may
- // contain child elements.
- var isSVG = makeMap(
- 'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
- 'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
- 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
- true
- );
-
- var isPreTag = function (tag) { return tag === 'pre'; };
-
- var isReservedTag = function (tag) {
- return isHTMLTag(tag) || isSVG(tag)
- };
-
- function getTagNamespace (tag) {
- if (isSVG(tag)) {
- return 'svg'
- }
- // basic support for MathML
- // note it doesn't support other MathML elements being component roots
- if (tag === 'math') {
- return 'math'
- }
- }
-
- var unknownElementCache = Object.create(null);
- function isUnknownElement (tag) {
- /* istanbul ignore if */
- if (!inBrowser) {
- return true
- }
- if (isReservedTag(tag)) {
- return false
- }
- tag = tag.toLowerCase();
- /* istanbul ignore if */
- if (unknownElementCache[tag] != null) {
- return unknownElementCache[tag]
- }
- var el = document.createElement(tag);
- if (tag.indexOf('-') > -1) {
- // http://stackoverflow.com/a/28210364/1070244
- return (unknownElementCache[tag] = (
- el.constructor === window.HTMLUnknownElement ||
- el.constructor === window.HTMLElement
- ))
- } else {
- return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
- }
- }
-
- var isTextInputType = makeMap('text,number,password,search,email,tel,url');
-
- /* */
-
- /**
- * Query an element selector if it's not an element already.
- */
- function query (el) {
- if (typeof el === 'string') {
- var selected = document.querySelector(el);
- if (!selected) {
- warn(
- 'Cannot find element: ' + el
- );
- return document.createElement('div')
- }
- return selected
- } else {
- return el
- }
- }
-
- /* */
-
- function createElement$1 (tagName, vnode) {
- var elm = document.createElement(tagName);
- if (tagName !== 'select') {
- return elm
- }
- // false or null will remove the attribute but undefined will not
- if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
- elm.setAttribute('multiple', 'multiple');
- }
- return elm
- }
-
- function createElementNS (namespace, tagName) {
- return document.createElementNS(namespaceMap[namespace], tagName)
- }
-
- function createTextNode (text) {
- return document.createTextNode(text)
- }
-
- function createComment (text) {
- return document.createComment(text)
- }
-
- function insertBefore (parentNode, newNode, referenceNode) {
- parentNode.insertBefore(newNode, referenceNode);
- }
-
- function removeChild (node, child) {
- node.removeChild(child);
- }
-
- function appendChild (node, child) {
- node.appendChild(child);
- }
-
- function parentNode (node) {
- return node.parentNode
- }
-
- function nextSibling (node) {
- return node.nextSibling
- }
-
- function tagName (node) {
- return node.tagName
- }
-
- function setTextContent (node, text) {
- node.textContent = text;
- }
-
- function setStyleScope (node, scopeId) {
- node.setAttribute(scopeId, '');
- }
-
- var nodeOps = /*#__PURE__*/Object.freeze({
- createElement: createElement$1,
- createElementNS: createElementNS,
- createTextNode: createTextNode,
- createComment: createComment,
- insertBefore: insertBefore,
- removeChild: removeChild,
- appendChild: appendChild,
- parentNode: parentNode,
- nextSibling: nextSibling,
- tagName: tagName,
- setTextContent: setTextContent,
- setStyleScope: setStyleScope
- });
-
- /* */
-
- var ref = {
- create: function create (_, vnode) {
- registerRef(vnode);
- },
- update: function update (oldVnode, vnode) {
- if (oldVnode.data.ref !== vnode.data.ref) {
- registerRef(oldVnode, true);
- registerRef(vnode);
- }
- },
- destroy: function destroy (vnode) {
- registerRef(vnode, true);
- }
- };
-
- function registerRef (vnode, isRemoval) {
- var key = vnode.data.ref;
- if (!isDef(key)) { return }
-
- var vm = vnode.context;
- var ref = vnode.componentInstance || vnode.elm;
- var refs = vm.$refs;
- if (isRemoval) {
- if (Array.isArray(refs[key])) {
- remove(refs[key], ref);
- } else if (refs[key] === ref) {
- refs[key] = undefined;
- }
- } else {
- if (vnode.data.refInFor) {
- if (!Array.isArray(refs[key])) {
- refs[key] = [ref];
- } else if (refs[key].indexOf(ref) < 0) {
- // $flow-disable-line
- refs[key].push(ref);
- }
- } else {
- refs[key] = ref;
- }
- }
- }
-
- /**
- * Virtual DOM patching algorithm based on Snabbdom by
- * Simon Friis Vindum (@paldepind)
- * Licensed under the MIT License
- * https://github.com/paldepind/snabbdom/blob/master/LICENSE
- *
- * modified by Evan You (@yyx990803)
- *
- * Not type-checking this because this file is perf-critical and the cost
- * of making flow understand it is not worth it.
- */
-
- var emptyNode = new VNode('', {}, []);
-
- var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
-
- function sameVnode (a, b) {
- return (
- a.key === b.key && (
- (
- a.tag === b.tag &&
- a.isComment === b.isComment &&
- isDef(a.data) === isDef(b.data) &&
- sameInputType(a, b)
- ) || (
- isTrue(a.isAsyncPlaceholder) &&
- a.asyncFactory === b.asyncFactory &&
- isUndef(b.asyncFactory.error)
- )
- )
- )
- }
-
- function sameInputType (a, b) {
- if (a.tag !== 'input') { return true }
- var i;
- var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
- var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
- return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
- }
-
- function createKeyToOldIdx (children, beginIdx, endIdx) {
- var i, key;
- var map = {};
- for (i = beginIdx; i <= endIdx; ++i) {
- key = children[i].key;
- if (isDef(key)) { map[key] = i; }
- }
- return map
- }
-
- function createPatchFunction (backend) {
- var i, j;
- var cbs = {};
-
- var modules = backend.modules;
- var nodeOps = backend.nodeOps;
-
- for (i = 0; i < hooks.length; ++i) {
- cbs[hooks[i]] = [];
- for (j = 0; j < modules.length; ++j) {
- if (isDef(modules[j][hooks[i]])) {
- cbs[hooks[i]].push(modules[j][hooks[i]]);
- }
- }
- }
-
- function emptyNodeAt (elm) {
- return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
- }
-
- function createRmCb (childElm, listeners) {
- function remove$$1 () {
- if (--remove$$1.listeners === 0) {
- removeNode(childElm);
- }
- }
- remove$$1.listeners = listeners;
- return remove$$1
- }
-
- function removeNode (el) {
- var parent = nodeOps.parentNode(el);
- // element may have already been removed due to v-html / v-text
- if (isDef(parent)) {
- nodeOps.removeChild(parent, el);
- }
- }
-
- function isUnknownElement$$1 (vnode, inVPre) {
- return (
- !inVPre &&
- !vnode.ns &&
- !(
- config.ignoredElements.length &&
- config.ignoredElements.some(function (ignore) {
- return isRegExp(ignore)
- ? ignore.test(vnode.tag)
- : ignore === vnode.tag
- })
- ) &&
- config.isUnknownElement(vnode.tag)
- )
- }
-
- var creatingElmInVPre = 0;
-
- function createElm (
- vnode,
- insertedVnodeQueue,
- parentElm,
- refElm,
- nested,
- ownerArray,
- index
- ) {
- if (isDef(vnode.elm) && isDef(ownerArray)) {
- // This vnode was used in a previous render!
- // now it's used as a new node, overwriting its elm would cause
- // potential patch errors down the road when it's used as an insertion
- // reference node. Instead, we clone the node on-demand before creating
- // associated DOM element for it.
- vnode = ownerArray[index] = cloneVNode(vnode);
- }
-
- vnode.isRootInsert = !nested; // for transition enter check
- if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
- return
- }
-
- var data = vnode.data;
- var children = vnode.children;
- var tag = vnode.tag;
- if (isDef(tag)) {
- {
- if (data && data.pre) {
- creatingElmInVPre++;
- }
- if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
- warn(
- 'Unknown custom element: <' + tag + '> - did you ' +
- 'register the component correctly? For recursive components, ' +
- 'make sure to provide the "name" option.',
- vnode.context
- );
- }
- }
-
- vnode.elm = vnode.ns
- ? nodeOps.createElementNS(vnode.ns, tag)
- : nodeOps.createElement(tag, vnode);
- setScope(vnode);
-
- /* istanbul ignore if */
- {
- createChildren(vnode, children, insertedVnodeQueue);
- if (isDef(data)) {
- invokeCreateHooks(vnode, insertedVnodeQueue);
- }
- insert(parentElm, vnode.elm, refElm);
- }
-
- if (data && data.pre) {
- creatingElmInVPre--;
- }
- } else if (isTrue(vnode.isComment)) {
- vnode.elm = nodeOps.createComment(vnode.text);
- insert(parentElm, vnode.elm, refElm);
- } else {
- vnode.elm = nodeOps.createTextNode(vnode.text);
- insert(parentElm, vnode.elm, refElm);
- }
- }
-
- function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
- var i = vnode.data;
- if (isDef(i)) {
- var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
- if (isDef(i = i.hook) && isDef(i = i.init)) {
- i(vnode, false /* hydrating */);
- }
- // after calling the init hook, if the vnode is a child component
- // it should've created a child instance and mounted it. the child
- // component also has set the placeholder vnode's elm.
- // in that case we can just return the element and be done.
- if (isDef(vnode.componentInstance)) {
- initComponent(vnode, insertedVnodeQueue);
- insert(parentElm, vnode.elm, refElm);
- if (isTrue(isReactivated)) {
- reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
- }
- return true
- }
- }
- }
-
- function initComponent (vnode, insertedVnodeQueue) {
- if (isDef(vnode.data.pendingInsert)) {
- insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
- vnode.data.pendingInsert = null;
- }
- vnode.elm = vnode.componentInstance.$el;
- if (isPatchable(vnode)) {
- invokeCreateHooks(vnode, insertedVnodeQueue);
- setScope(vnode);
- } else {
- // empty component root.
- // skip all element-related modules except for ref (#3455)
- registerRef(vnode);
- // make sure to invoke the insert hook
- insertedVnodeQueue.push(vnode);
- }
- }
-
- function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
- var i;
- // hack for #4339: a reactivated component with inner transition
- // does not trigger because the inner node's created hooks are not called
- // again. It's not ideal to involve module-specific logic in here but
- // there doesn't seem to be a better way to do it.
- var innerNode = vnode;
- while (innerNode.componentInstance) {
- innerNode = innerNode.componentInstance._vnode;
- if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
- for (i = 0; i < cbs.activate.length; ++i) {
- cbs.activate[i](emptyNode, innerNode);
- }
- insertedVnodeQueue.push(innerNode);
- break
- }
- }
- // unlike a newly created component,
- // a reactivated keep-alive component doesn't insert itself
- insert(parentElm, vnode.elm, refElm);
- }
-
- function insert (parent, elm, ref$$1) {
- if (isDef(parent)) {
- if (isDef(ref$$1)) {
- if (nodeOps.parentNode(ref$$1) === parent) {
- nodeOps.insertBefore(parent, elm, ref$$1);
- }
- } else {
- nodeOps.appendChild(parent, elm);
- }
- }
- }
-
- function createChildren (vnode, children, insertedVnodeQueue) {
- if (Array.isArray(children)) {
- {
- checkDuplicateKeys(children);
- }
- for (var i = 0; i < children.length; ++i) {
- createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
- }
- } else if (isPrimitive(vnode.text)) {
- nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
- }
- }
-
- function isPatchable (vnode) {
- while (vnode.componentInstance) {
- vnode = vnode.componentInstance._vnode;
- }
- return isDef(vnode.tag)
- }
-
- function invokeCreateHooks (vnode, insertedVnodeQueue) {
- for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
- cbs.create[i$1](emptyNode, vnode);
- }
- i = vnode.data.hook; // Reuse variable
- if (isDef(i)) {
- if (isDef(i.create)) { i.create(emptyNode, vnode); }
- if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
- }
- }
-
- // set scope id attribute for scoped CSS.
- // this is implemented as a special case to avoid the overhead
- // of going through the normal attribute patching process.
- function setScope (vnode) {
- var i;
- if (isDef(i = vnode.fnScopeId)) {
- nodeOps.setStyleScope(vnode.elm, i);
- } else {
- var ancestor = vnode;
- while (ancestor) {
- if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
- nodeOps.setStyleScope(vnode.elm, i);
- }
- ancestor = ancestor.parent;
- }
- }
- // for slot content they should also get the scopeId from the host instance.
- if (isDef(i = activeInstance) &&
- i !== vnode.context &&
- i !== vnode.fnContext &&
- isDef(i = i.$options._scopeId)
- ) {
- nodeOps.setStyleScope(vnode.elm, i);
- }
- }
-
- function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
- for (; startIdx <= endIdx; ++startIdx) {
- createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
- }
- }
-
- function invokeDestroyHook (vnode) {
- var i, j;
- var data = vnode.data;
- if (isDef(data)) {
- if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
- for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
- }
- if (isDef(i = vnode.children)) {
- for (j = 0; j < vnode.children.length; ++j) {
- invokeDestroyHook(vnode.children[j]);
- }
- }
- }
-
- function removeVnodes (parentElm, vnodes, startIdx, endIdx) {
- for (; startIdx <= endIdx; ++startIdx) {
- var ch = vnodes[startIdx];
- if (isDef(ch)) {
- if (isDef(ch.tag)) {
- removeAndInvokeRemoveHook(ch);
- invokeDestroyHook(ch);
- } else { // Text node
- removeNode(ch.elm);
- }
- }
- }
- }
-
- function removeAndInvokeRemoveHook (vnode, rm) {
- if (isDef(rm) || isDef(vnode.data)) {
- var i;
- var listeners = cbs.remove.length + 1;
- if (isDef(rm)) {
- // we have a recursively passed down rm callback
- // increase the listeners count
- rm.listeners += listeners;
- } else {
- // directly removing
- rm = createRmCb(vnode.elm, listeners);
- }
- // recursively invoke hooks on child component root node
- if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
- removeAndInvokeRemoveHook(i, rm);
- }
- for (i = 0; i < cbs.remove.length; ++i) {
- cbs.remove[i](vnode, rm);
- }
- if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
- i(vnode, rm);
- } else {
- rm();
- }
- } else {
- removeNode(vnode.elm);
- }
- }
-
- function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
- var oldStartIdx = 0;
- var newStartIdx = 0;
- var oldEndIdx = oldCh.length - 1;
- var oldStartVnode = oldCh[0];
- var oldEndVnode = oldCh[oldEndIdx];
- var newEndIdx = newCh.length - 1;
- var newStartVnode = newCh[0];
- var newEndVnode = newCh[newEndIdx];
- var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
-
- // removeOnly is a special flag used only by
- // to ensure removed elements stay in correct relative positions
- // during leaving transitions
- var canMove = !removeOnly;
-
- {
- checkDuplicateKeys(newCh);
- }
-
- while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
- if (isUndef(oldStartVnode)) {
- oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
- } else if (isUndef(oldEndVnode)) {
- oldEndVnode = oldCh[--oldEndIdx];
- } else if (sameVnode(oldStartVnode, newStartVnode)) {
- patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
- oldStartVnode = oldCh[++oldStartIdx];
- newStartVnode = newCh[++newStartIdx];
- } else if (sameVnode(oldEndVnode, newEndVnode)) {
- patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
- oldEndVnode = oldCh[--oldEndIdx];
- newEndVnode = newCh[--newEndIdx];
- } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
- patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
- canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
- oldStartVnode = oldCh[++oldStartIdx];
- newEndVnode = newCh[--newEndIdx];
- } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
- patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
- canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
- oldEndVnode = oldCh[--oldEndIdx];
- newStartVnode = newCh[++newStartIdx];
- } else {
- if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
- idxInOld = isDef(newStartVnode.key)
- ? oldKeyToIdx[newStartVnode.key]
- : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
- if (isUndef(idxInOld)) { // New element
- createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
- } else {
- vnodeToMove = oldCh[idxInOld];
- if (sameVnode(vnodeToMove, newStartVnode)) {
- patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
- oldCh[idxInOld] = undefined;
- canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
- } else {
- // same key but different element. treat as new element
- createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
- }
- }
- newStartVnode = newCh[++newStartIdx];
- }
- }
- if (oldStartIdx > oldEndIdx) {
- refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
- addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
- } else if (newStartIdx > newEndIdx) {
- removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
- }
- }
-
- function checkDuplicateKeys (children) {
- var seenKeys = {};
- for (var i = 0; i < children.length; i++) {
- var vnode = children[i];
- var key = vnode.key;
- if (isDef(key)) {
- if (seenKeys[key]) {
- warn(
- ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
- vnode.context
- );
- } else {
- seenKeys[key] = true;
- }
- }
- }
- }
-
- function findIdxInOld (node, oldCh, start, end) {
- for (var i = start; i < end; i++) {
- var c = oldCh[i];
- if (isDef(c) && sameVnode(node, c)) { return i }
- }
- }
-
- function patchVnode (
- oldVnode,
- vnode,
- insertedVnodeQueue,
- ownerArray,
- index,
- removeOnly
- ) {
- if (oldVnode === vnode) {
- return
- }
-
- if (isDef(vnode.elm) && isDef(ownerArray)) {
- // clone reused vnode
- vnode = ownerArray[index] = cloneVNode(vnode);
- }
-
- var elm = vnode.elm = oldVnode.elm;
-
- if (isTrue(oldVnode.isAsyncPlaceholder)) {
- if (isDef(vnode.asyncFactory.resolved)) {
- hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
- } else {
- vnode.isAsyncPlaceholder = true;
- }
- return
- }
-
- // reuse element for static trees.
- // note we only do this if the vnode is cloned -
- // if the new node is not cloned it means the render functions have been
- // reset by the hot-reload-api and we need to do a proper re-render.
- if (isTrue(vnode.isStatic) &&
- isTrue(oldVnode.isStatic) &&
- vnode.key === oldVnode.key &&
- (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
- ) {
- vnode.componentInstance = oldVnode.componentInstance;
- return
- }
-
- var i;
- var data = vnode.data;
- if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
- i(oldVnode, vnode);
- }
-
- var oldCh = oldVnode.children;
- var ch = vnode.children;
- if (isDef(data) && isPatchable(vnode)) {
- for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
- if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
- }
- if (isUndef(vnode.text)) {
- if (isDef(oldCh) && isDef(ch)) {
- if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
- } else if (isDef(ch)) {
- {
- checkDuplicateKeys(ch);
- }
- if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
- addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
- } else if (isDef(oldCh)) {
- removeVnodes(elm, oldCh, 0, oldCh.length - 1);
- } else if (isDef(oldVnode.text)) {
- nodeOps.setTextContent(elm, '');
- }
- } else if (oldVnode.text !== vnode.text) {
- nodeOps.setTextContent(elm, vnode.text);
- }
- if (isDef(data)) {
- if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
- }
- }
-
- function invokeInsertHook (vnode, queue, initial) {
- // delay insert hooks for component root nodes, invoke them after the
- // element is really inserted
- if (isTrue(initial) && isDef(vnode.parent)) {
- vnode.parent.data.pendingInsert = queue;
- } else {
- for (var i = 0; i < queue.length; ++i) {
- queue[i].data.hook.insert(queue[i]);
- }
- }
- }
-
- var hydrationBailed = false;
- // list of modules that can skip create hook during hydration because they
- // are already rendered on the client or has no need for initialization
- // Note: style is excluded because it relies on initial clone for future
- // deep updates (#7063).
- var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
-
- // Note: this is a browser-only function so we can assume elms are DOM nodes.
- function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
- var i;
- var tag = vnode.tag;
- var data = vnode.data;
- var children = vnode.children;
- inVPre = inVPre || (data && data.pre);
- vnode.elm = elm;
-
- if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
- vnode.isAsyncPlaceholder = true;
- return true
- }
- // assert node match
- {
- if (!assertNodeMatch(elm, vnode, inVPre)) {
- return false
- }
- }
- if (isDef(data)) {
- if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
- if (isDef(i = vnode.componentInstance)) {
- // child component. it should have hydrated its own tree.
- initComponent(vnode, insertedVnodeQueue);
- return true
- }
- }
- if (isDef(tag)) {
- if (isDef(children)) {
- // empty element, allow client to pick up and populate children
- if (!elm.hasChildNodes()) {
- createChildren(vnode, children, insertedVnodeQueue);
- } else {
- // v-html and domProps: innerHTML
- if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
- if (i !== elm.innerHTML) {
- /* istanbul ignore if */
- if (typeof console !== 'undefined' &&
- !hydrationBailed
- ) {
- hydrationBailed = true;
- console.warn('Parent: ', elm);
- console.warn('server innerHTML: ', i);
- console.warn('client innerHTML: ', elm.innerHTML);
- }
- return false
- }
- } else {
- // iterate and compare children lists
- var childrenMatch = true;
- var childNode = elm.firstChild;
- for (var i$1 = 0; i$1 < children.length; i$1++) {
- if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
- childrenMatch = false;
- break
- }
- childNode = childNode.nextSibling;
- }
- // if childNode is not null, it means the actual childNodes list is
- // longer than the virtual children list.
- if (!childrenMatch || childNode) {
- /* istanbul ignore if */
- if (typeof console !== 'undefined' &&
- !hydrationBailed
- ) {
- hydrationBailed = true;
- console.warn('Parent: ', elm);
- console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
- }
- return false
- }
- }
- }
- }
- if (isDef(data)) {
- var fullInvoke = false;
- for (var key in data) {
- if (!isRenderedModule(key)) {
- fullInvoke = true;
- invokeCreateHooks(vnode, insertedVnodeQueue);
- break
- }
- }
- if (!fullInvoke && data['class']) {
- // ensure collecting deps for deep class bindings for future updates
- traverse(data['class']);
- }
- }
- } else if (elm.data !== vnode.text) {
- elm.data = vnode.text;
- }
- return true
- }
-
- function assertNodeMatch (node, vnode, inVPre) {
- if (isDef(vnode.tag)) {
- return vnode.tag.indexOf('vue-component') === 0 || (
- !isUnknownElement$$1(vnode, inVPre) &&
- vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
- )
- } else {
- return node.nodeType === (vnode.isComment ? 8 : 3)
- }
- }
-
- return function patch (oldVnode, vnode, hydrating, removeOnly) {
- if (isUndef(vnode)) {
- if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
- return
- }
-
- var isInitialPatch = false;
- var insertedVnodeQueue = [];
-
- if (isUndef(oldVnode)) {
- // empty mount (likely as component), create new root element
- isInitialPatch = true;
- createElm(vnode, insertedVnodeQueue);
- } else {
- var isRealElement = isDef(oldVnode.nodeType);
- if (!isRealElement && sameVnode(oldVnode, vnode)) {
- // patch existing root node
- patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
- } else {
- if (isRealElement) {
- // mounting to a real element
- // check if this is server-rendered content and if we can perform
- // a successful hydration.
- if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
- oldVnode.removeAttribute(SSR_ATTR);
- hydrating = true;
- }
- if (isTrue(hydrating)) {
- if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
- invokeInsertHook(vnode, insertedVnodeQueue, true);
- return oldVnode
- } else {
- warn(
- 'The client-side rendered virtual DOM tree is not matching ' +
- 'server-rendered content. This is likely caused by incorrect ' +
- 'HTML markup, for example nesting block-level elements inside ' +
- ', or missing
. Bailing hydration and performing ' +
- 'full client-side render.'
- );
- }
- }
- // either not server-rendered, or hydration failed.
- // create an empty node and replace it
- oldVnode = emptyNodeAt(oldVnode);
- }
-
- // replacing existing element
- var oldElm = oldVnode.elm;
- var parentElm = nodeOps.parentNode(oldElm);
-
- // create new node
- createElm(
- vnode,
- insertedVnodeQueue,
- // extremely rare edge case: do not insert if old element is in a
- // leaving transition. Only happens when combining transition +
- // keep-alive + HOCs. (#4590)
- oldElm._leaveCb ? null : parentElm,
- nodeOps.nextSibling(oldElm)
- );
-
- // update parent placeholder node element, recursively
- if (isDef(vnode.parent)) {
- var ancestor = vnode.parent;
- var patchable = isPatchable(vnode);
- while (ancestor) {
- for (var i = 0; i < cbs.destroy.length; ++i) {
- cbs.destroy[i](ancestor);
- }
- ancestor.elm = vnode.elm;
- if (patchable) {
- for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
- cbs.create[i$1](emptyNode, ancestor);
- }
- // #6513
- // invoke insert hooks that may have been merged by create hooks.
- // e.g. for directives that uses the "inserted" hook.
- var insert = ancestor.data.hook.insert;
- if (insert.merged) {
- // start at index 1 to avoid re-invoking component mounted hook
- for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
- insert.fns[i$2]();
- }
- }
- } else {
- registerRef(ancestor);
- }
- ancestor = ancestor.parent;
- }
- }
-
- // destroy old node
- if (isDef(parentElm)) {
- removeVnodes(parentElm, [oldVnode], 0, 0);
- } else if (isDef(oldVnode.tag)) {
- invokeDestroyHook(oldVnode);
- }
- }
- }
-
- invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
- return vnode.elm
- }
- }
-
- /* */
-
- var directives = {
- create: updateDirectives,
- update: updateDirectives,
- destroy: function unbindDirectives (vnode) {
- updateDirectives(vnode, emptyNode);
- }
- };
-
- function updateDirectives (oldVnode, vnode) {
- if (oldVnode.data.directives || vnode.data.directives) {
- _update(oldVnode, vnode);
- }
- }
-
- function _update (oldVnode, vnode) {
- var isCreate = oldVnode === emptyNode;
- var isDestroy = vnode === emptyNode;
- var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
- var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
-
- var dirsWithInsert = [];
- var dirsWithPostpatch = [];
-
- var key, oldDir, dir;
- for (key in newDirs) {
- oldDir = oldDirs[key];
- dir = newDirs[key];
- if (!oldDir) {
- // new directive, bind
- callHook$1(dir, 'bind', vnode, oldVnode);
- if (dir.def && dir.def.inserted) {
- dirsWithInsert.push(dir);
- }
- } else {
- // existing directive, update
- dir.oldValue = oldDir.value;
- dir.oldArg = oldDir.arg;
- callHook$1(dir, 'update', vnode, oldVnode);
- if (dir.def && dir.def.componentUpdated) {
- dirsWithPostpatch.push(dir);
- }
- }
- }
-
- if (dirsWithInsert.length) {
- var callInsert = function () {
- for (var i = 0; i < dirsWithInsert.length; i++) {
- callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
- }
- };
- if (isCreate) {
- mergeVNodeHook(vnode, 'insert', callInsert);
- } else {
- callInsert();
- }
- }
-
- if (dirsWithPostpatch.length) {
- mergeVNodeHook(vnode, 'postpatch', function () {
- for (var i = 0; i < dirsWithPostpatch.length; i++) {
- callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
- }
- });
- }
-
- if (!isCreate) {
- for (key in oldDirs) {
- if (!newDirs[key]) {
- // no longer present, unbind
- callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
- }
- }
- }
- }
-
- var emptyModifiers = Object.create(null);
-
- function normalizeDirectives$1 (
- dirs,
- vm
- ) {
- var res = Object.create(null);
- if (!dirs) {
- // $flow-disable-line
- return res
- }
- var i, dir;
- for (i = 0; i < dirs.length; i++) {
- dir = dirs[i];
- if (!dir.modifiers) {
- // $flow-disable-line
- dir.modifiers = emptyModifiers;
- }
- res[getRawDirName(dir)] = dir;
- dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
- }
- // $flow-disable-line
- return res
- }
-
- function getRawDirName (dir) {
- return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
- }
-
- function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
- var fn = dir.def && dir.def[hook];
- if (fn) {
- try {
- fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
- } catch (e) {
- handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
- }
- }
- }
-
- var baseModules = [
- ref,
- directives
- ];
-
- /* */
-
- function updateAttrs (oldVnode, vnode) {
- var opts = vnode.componentOptions;
- if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
- return
- }
- if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
- return
- }
- var key, cur, old;
- var elm = vnode.elm;
- var oldAttrs = oldVnode.data.attrs || {};
- var attrs = vnode.data.attrs || {};
- // clone observed objects, as the user probably wants to mutate it
- if (isDef(attrs.__ob__)) {
- attrs = vnode.data.attrs = extend({}, attrs);
- }
-
- for (key in attrs) {
- cur = attrs[key];
- old = oldAttrs[key];
- if (old !== cur) {
- setAttr(elm, key, cur);
- }
- }
- // #4391: in IE9, setting type can reset value for input[type=radio]
- // #6666: IE/Edge forces progress value down to 1 before setting a max
- /* istanbul ignore if */
- if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
- setAttr(elm, 'value', attrs.value);
- }
- for (key in oldAttrs) {
- if (isUndef(attrs[key])) {
- if (isXlink(key)) {
- elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
- } else if (!isEnumeratedAttr(key)) {
- elm.removeAttribute(key);
- }
- }
- }
- }
-
- function setAttr (el, key, value) {
- if (el.tagName.indexOf('-') > -1) {
- baseSetAttr(el, key, value);
- } else if (isBooleanAttr(key)) {
- // set attribute for blank value
- // e.g.
- if (isFalsyAttrValue(value)) {
- el.removeAttribute(key);
- } else {
- // technically allowfullscreen is a boolean attribute for