+(function webpackUniversalModuleDefinition(root, factory) {
+ if(typeof exports === 'object' && typeof module === 'object')
+ module.exports = factory();
+ else if(typeof define === 'function' && define.amd)
+ define([], factory);
+ else if(typeof exports === 'object')
+ exports["SortingHat"] = factory();
+ else
+ root["SortingHat"] = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId]) {
+/******/ return installedModules[moduleId].exports;
+/******/ }
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ i: moduleId,
+/******/ l: false,
+/******/ exports: {}
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.l = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // define getter function for harmony exports
+/******/ __webpack_require__.d = function(exports, name, getter) {
+/******/ if(!__webpack_require__.o(exports, name)) {
+/******/ Object.defineProperty(exports, name, {
+/******/ configurable: false,
+/******/ enumerable: true,
+/******/ get: getter
+/******/ });
+/******/ }
+/******/ };
+/******/
+/******/ // getDefaultExport function for compatibility with non-harmony modules
+/******/ __webpack_require__.n = function(module) {
+/******/ var getter = module && module.__esModule ?
+/******/ function getDefault() { return module['default']; } :
+/******/ function getModuleExports() { return module; };
+/******/ __webpack_require__.d(getter, 'a', getter);
+/******/ return getter;
+/******/ };
+/******/
+/******/ // Object.prototype.hasOwnProperty.call
+/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "/assets/";
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(__webpack_require__.s = 2);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(process, global) {/*!
+ * Vue.js v2.4.2
+ * (c) 2014-2017 Evan You
+ * Released under the MIT License.
+ */
+/* */
+
+// these helpers produces 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' || 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';
+}
+
+var _toString = Object.prototype.toString;
+
+/**
+ * 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(val);
+ return n >= 0 && Math.floor(n) === n && isFinite(val);
+}
+
+/**
+ * Convert a value to a string that is actually rendered.
+ */
+function toString(val) {
+ return val == null ? '' : typeof val === 'object' ? JSON.stringify(val, null, 2) : String(val);
+}
+
+/**
+ * Convert a input value to a number for persistence.
+ * If the conversion fails, return original string.
+ */
+function toNumber(val) {
+ var n = parseFloat(val);
+ 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 a attribute is a reserved attribute.
+ */
+var isReservedAttribute = makeMap('key,ref,slot,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 the 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 = /([^-])([A-Z])/g;
+var hyphenate = cached(function (str) {
+ return str.replace(hyphenateRE, '$1-$2').replace(hyphenateRE, '$1-$2').toLowerCase();
+});
+
+/**
+ * Simple bind, faster than native
+ */
+function bind(fn, ctx) {
+ function boundFn(a) {
+ var l = arguments.length;
+ return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx);
+ }
+ // record original fn length
+ boundFn._length = fn.length;
+ return boundFn;
+}
+
+/**
+ * Convert an Array-like object to a real Array.
+ */
+function toArray(list, start) {
+ start = start || 0;
+ var i = list.length - start;
+ var ret = new Array(i);
+ while (i--) {
+ ret[i] = list[i + start];
+ }
+ return ret;
+}
+
+/**
+ * Mix properties into target object.
+ */
+function extend(to, _from) {
+ for (var key in _from) {
+ to[key] = _from[key];
+ }
+ return to;
+}
+
+/**
+ * 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;
+}
+
+/**
+ * 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;
+};
+
+/**
+ * Return same value
+ */
+var identity = function (_) {
+ return _;
+};
+
+/**
+ * Generate a static keys string from compiler modules.
+ */
+function genStaticKeys(modules) {
+ return modules.reduce(function (keys, m) {
+ return keys.concat(m.staticKeys || []);
+ }, []).join(',');
+}
+
+/**
+ * Check if two values are loosely equal - that is,
+ * if they are plain objects, do they have the same shape?
+ */
+function looseEqual(a, b) {
+ 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 (!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;
+ }
+}
+
+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'];
+
+/* */
+
+var config = {
+ /**
+ * Option merge strategies (used in core/util/options)
+ */
+ optionMergeStrategies: Object.create(null),
+
+ /**
+ * Whether to suppress warnings.
+ */
+ silent: false,
+
+ /**
+ * Show production mode tip message on boot?
+ */
+ productionTip: process.env.NODE_ENV !== 'production',
+
+ /**
+ * Whether to enable devtools
+ */
+ devtools: process.env.NODE_ENV !== '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
+ */
+ 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,
+
+ /**
+ * Exposed for legacy reasons
+ */
+ _lifecycleHooks: LIFECYCLE_HOOKS
+};
+
+/* */
+
+var emptyObject = Object.freeze({});
+
+/**
+ * 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 = /[^\w.$]/;
+function parsePath(path) {
+ if (bailRE.test(path)) {
+ return;
+ }
+ var segments = path.split('.');
+ return function (obj) {
+ for (var i = 0; i < segments.length; i++) {
+ if (!obj) {
+ return;
+ }
+ obj = obj[segments[i]];
+ }
+ return obj;
+ };
+}
+
+/* */
+
+var warn = noop;
+var tip = noop;
+var formatComponentName = null; // work around flow check
+
+if (process.env.NODE_ENV !== 'production') {
+ var hasConsole = typeof console !== 'undefined';
+ var classifyRE = /(?:^|[-_])(\w)/g;
+ var classify = function (str) {
+ return str.replace(classifyRE, function (c) {
+ return c.toUpperCase();
+ }).replace(/[-_]/g, '');
+ };
+
+ warn = function (msg, vm) {
+ var trace = vm ? generateComponentTrace(vm) : '';
+
+ if (config.warnHandler) {
+ config.warnHandler.call(null, msg, vm, trace);
+ } else if (hasConsole && !config.silent) {
+ console.error("[Vue warn]: " + msg + trace);
+ }
+ };
+
+ tip = function (msg, vm) {
+ if (hasConsole && !config.silent) {
+ console.warn("[Vue tip]: " + msg + (vm ? generateComponentTrace(vm) : ''));
+ }
+ };
+
+ formatComponentName = function (vm, includeFile) {
+ if (vm.$root === vm) {
+ return '<Root>';
+ }
+ var name = typeof vm === 'string' ? vm : typeof vm === 'function' && vm.options ? vm.options.name : vm._isVue ? vm.$options.name || vm.$options._componentTag : vm.name;
+
+ var file = vm._isVue && vm.$options.__file;
+ if (!name && file) {
+ var match = file.match(/([^/\\]+)\.vue$/);
+ name = match && match[1];
+ }
+
+ return (name ? "<" + classify(name) + ">" : "<Anonymous>") + (file && includeFile !== false ? " at " + file : '');
+ };
+
+ var repeat = function (str, n) {
+ var res = '';
+ while (n) {
+ if (n % 2 === 1) {
+ res += str;
+ }
+ if (n > 1) {
+ str += str;
+ }
+ n >>= 1;
+ }
+ return res;
+ };
+
+ var 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) + ")";
+ }
+ };
+}
+
+/* */
+
+function handleError(err, vm, info) {
+ if (config.errorHandler) {
+ config.errorHandler.call(null, err, vm, info);
+ } else {
+ if (process.env.NODE_ENV !== 'production') {
+ warn("Error in " + info + ": \"" + err.toString() + "\"", vm);
+ }
+ /* istanbul ignore else */
+ if (inBrowser && typeof console !== 'undefined') {
+ console.error(err);
+ } else {
+ throw err;
+ }
+ }
+}
+
+/* */
+/* globals MutationObserver */
+
+// can we use __proto__?
+var hasProto = '__proto__' in {};
+
+// Browser environment sniffing
+var inBrowser = typeof window !== 'undefined';
+var UA = inBrowser && window.navigator.userAgent.toLowerCase();
+var isIE = UA && /msie|trident/.test(UA);
+var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
+var isEdge = UA && UA.indexOf('edge/') > 0;
+var isAndroid = UA && UA.indexOf('android') > 0;
+var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
+var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
+
+// Firefix 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 && typeof global !== 'undefined') {
+ // detect presence of vue-server-renderer and avoid
+ // Webpack shimming the process
+ _isServer = 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);
+
+/**
+ * Defer a task to execute it asynchronously.
+ */
+var nextTick = function () {
+ var callbacks = [];
+ var pending = false;
+ var timerFunc;
+
+ function nextTickHandler() {
+ pending = false;
+ var copies = callbacks.slice(0);
+ callbacks.length = 0;
+ for (var i = 0; i < copies.length; i++) {
+ copies[i]();
+ }
+ }
+
+ // the nextTick behavior leverages the microtask queue, which can be accessed
+ // via either native Promise.then or MutationObserver.
+ // MutationObserver has wider support, however it is seriously bugged in
+ // UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
+ // completely stops working after triggering a few times... so, if native
+ // Promise is available, we will use it:
+ /* istanbul ignore if */
+ if (typeof Promise !== 'undefined' && isNative(Promise)) {
+ var p = Promise.resolve();
+ var logError = function (err) {
+ console.error(err);
+ };
+ timerFunc = function () {
+ p.then(nextTickHandler).catch(logError);
+ // in problematic UIWebViews, Promise.then doesn't completely break, but
+ // it can get stuck in a weird state where callbacks are pushed into the
+ // microtask queue but the queue isn't being flushed, until the browser
+ // needs to do some other work, e.g. handle a timer. Therefore we can
+ // "force" the microtask queue to be flushed by adding an empty timer.
+ if (isIOS) {
+ setTimeout(noop);
+ }
+ };
+ } else if (typeof MutationObserver !== 'undefined' && (isNative(MutationObserver) ||
+ // PhantomJS and iOS 7.x
+ MutationObserver.toString() === '[object MutationObserverConstructor]')) {
+ // use MutationObserver where native Promise is not available,
+ // e.g. PhantomJS IE11, iOS7, Android 4.4
+ var counter = 1;
+ var observer = new MutationObserver(nextTickHandler);
+ var textNode = document.createTextNode(String(counter));
+ observer.observe(textNode, {
+ characterData: true
+ });
+ timerFunc = function () {
+ counter = (counter + 1) % 2;
+ textNode.data = String(counter);
+ };
+ } else {
+ // fallback to setTimeout
+ /* istanbul ignore next */
+ timerFunc = function () {
+ setTimeout(nextTickHandler, 0);
+ };
+ }
+
+ return function queueNextTick(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();
+ }
+ if (!cb && typeof Promise !== 'undefined') {
+ return new Promise(function (resolve, reject) {
+ _resolve = resolve;
+ });
+ }
+ };
+}();
+
+var _Set;
+/* istanbul ignore if */
+if (typeof Set !== 'undefined' && isNative(Set)) {
+ // use native Set when available.
+ _Set = Set;
+} else {
+ // a non-standard Set polyfill that only works with primitive keys.
+ _Set = function () {
+ function Set() {
+ this.set = Object.create(null);
+ }
+ Set.prototype.has = function has(key) {
+ return this.set[key] === true;
+ };
+ Set.prototype.add = function add(key) {
+ this.set[key] = true;
+ };
+ Set.prototype.clear = function clear() {
+ this.set = Object.create(null);
+ };
+
+ return Set;
+ }();
+}
+
+/* */
+
+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();
+ for (var i = 0, l = subs.length; i < l; i++) {
+ subs[i].update();
+ }
+};
+
+// the current target watcher being evaluated.
+// this is globally unique because there could be only one
+// watcher being evaluated at any time.
+Dep.target = null;
+var targetStack = [];
+
+function pushTarget(_target) {
+ if (Dep.target) {
+ targetStack.push(Dep.target);
+ }
+ Dep.target = _target;
+}
+
+function popTarget() {
+ Dep.target = targetStack.pop();
+}
+
+/*
+ * 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);['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].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);
+
+/**
+ * By default, when a reactive property is set, the new value is
+ * also converted to become reactive. However when passing down props,
+ * we don't want to force conversion because the value may be a nested value
+ * under a frozen data structure. Converting it would defeat the optimization.
+ */
+var observerState = {
+ shouldConvert: true
+};
+
+/**
+ * Observer class that are attached to each observed
+ * object. Once attached, the observer converts target
+ * object's property keys into getter/setters that
+ * collect dependencies and dispatches updates.
+ */
+var Observer = function Observer(value) {
+ this.value = value;
+ this.dep = new Dep();
+ this.vmCount = 0;
+ def(value, '__ob__', this);
+ if (Array.isArray(value)) {
+ var augment = hasProto ? protoAugment : copyAugment;
+ augment(value, arrayMethods, arrayKeys);
+ this.observeArray(value);
+ } else {
+ this.walk(value);
+ }
+};
+
+/**
+ * Walk through each property and convert them into
+ * getter/setters. This method should only be called when
+ * value type is Object.
+ */
+Observer.prototype.walk = function walk(obj) {
+ var keys = Object.keys(obj);
+ for (var i = 0; i < keys.length; i++) {
+ defineReactive$$1(obj, keys[i], obj[keys[i]]);
+ }
+};
+
+/**
+ * Observe a list of Array items.
+ */
+Observer.prototype.observeArray = function observeArray(items) {
+ for (var i = 0, l = items.length; i < l; i++) {
+ observe(items[i]);
+ }
+};
+
+// helpers
+
+/**
+ * Augment an target Object or Array by intercepting
+ * the prototype chain using __proto__
+ */
+function protoAugment(target, src, keys) {
+ /* eslint-disable no-proto */
+ target.__proto__ = src;
+ /* eslint-enable no-proto */
+}
+
+/**
+ * Augment an target Object or Array by defining
+ * hidden properties.
+ */
+/* istanbul ignore next */
+function copyAugment(target, src, keys) {
+ for (var i = 0, l = keys.length; i < l; i++) {
+ var key = keys[i];
+ def(target, key, src[key]);
+ }
+}
+
+/**
+ * Attempt to create an observer instance for a value,
+ * returns the new observer if successfully observed,
+ * or the existing observer if the value already has one.
+ */
+function observe(value, asRootData) {
+ if (!isObject(value)) {
+ return;
+ }
+ var ob;
+ if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
+ ob = value.__ob__;
+ } else if (observerState.shouldConvert && !isServerRendering() && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
+ ob = new Observer(value);
+ }
+ if (asRootData && ob) {
+ ob.vmCount++;
+ }
+ return ob;
+}
+
+/**
+ * Define a reactive property on an Object.
+ */
+function defineReactive$$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;
+
+ 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 (process.env.NODE_ENV !== 'production' && customSetter) {
+ customSetter();
+ }
+ 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 (Array.isArray(target) && isValidArrayIndex(key)) {
+ target.length = Math.max(target.length, key);
+ target.splice(key, 1, val);
+ return val;
+ }
+ if (hasOwn(target, key)) {
+ target[key] = val;
+ return val;
+ }
+ var ob = target.__ob__;
+ if (target._isVue || ob && ob.vmCount) {
+ process.env.NODE_ENV !== 'production' && 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 (Array.isArray(target) && isValidArrayIndex(key)) {
+ target.splice(key, 1);
+ return;
+ }
+ var ob = target.__ob__;
+ if (target._isVue || ob && ob.vmCount) {
+ process.env.NODE_ENV !== 'production' && 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
+ */
+if (process.env.NODE_ENV !== 'production') {
+ 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 = Object.keys(from);
+ for (var i = 0; i < keys.length; i++) {
+ key = keys[i];
+ toVal = to[key];
+ fromVal = from[key];
+ if (!hasOwn(to, key)) {
+ set(to, key, fromVal);
+ } else if (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) : childVal, typeof parentVal === 'function' ? parentVal.call(this) : parentVal);
+ };
+ } else if (parentVal || childVal) {
+ return function mergedInstanceDataFn() {
+ // instance merge
+ var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal;
+ var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined;
+ if (instanceData) {
+ return mergeData(instanceData, defaultData);
+ } else {
+ return defaultData;
+ }
+ };
+ }
+}
+
+strats.data = function (parentVal, childVal, vm) {
+ if (!vm) {
+ if (childVal && typeof childVal !== 'function') {
+ process.env.NODE_ENV !== 'production' && warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm);
+
+ return parentVal;
+ }
+ return mergeDataOrFn.call(this, parentVal, childVal);
+ }
+
+ return mergeDataOrFn(parentVal, childVal, vm);
+};
+
+/**
+ * Hooks and props are merged as arrays.
+ */
+function mergeHook(parentVal, childVal) {
+ return childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal;
+}
+
+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) {
+ var res = Object.create(parentVal || null);
+ return childVal ? extend(res, childVal) : 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) {
+ // 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);
+ }
+ if (!parentVal) {
+ return childVal;
+ }
+ var ret = {};
+ extend(ret, parentVal);
+ for (var key in childVal) {
+ var parent = ret[key];
+ var child = childVal[key];
+ if (parent && !Array.isArray(parent)) {
+ parent = [parent];
+ }
+ ret[key] = parent ? parent.concat(child) : Array.isArray(child) ? child : [child];
+ }
+ return ret;
+};
+
+/**
+ * Other object hashes.
+ */
+strats.props = strats.methods = strats.inject = strats.computed = function (parentVal, childVal) {
+ 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) {
+ var lower = key.toLowerCase();
+ if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
+ warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
+ }
+ }
+}
+
+/**
+ * Ensure all props option syntax are normalized into the
+ * Object-based format.
+ */
+function normalizeProps(options) {
+ var props = options.props;
+ if (!props) {
+ return;
+ }
+ var res = {};
+ var i, val, name;
+ if (Array.isArray(props)) {
+ i = props.length;
+ while (i--) {
+ val = props[i];
+ if (typeof val === 'string') {
+ name = camelize(val);
+ res[name] = { type: null };
+ } else if (process.env.NODE_ENV !== 'production') {
+ 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 };
+ }
+ }
+ options.props = res;
+}
+
+/**
+ * Normalize all injections into Object-based format
+ */
+function normalizeInject(options) {
+ var inject = options.inject;
+ if (Array.isArray(inject)) {
+ var normalized = options.inject = {};
+ for (var i = 0; i < inject.length; i++) {
+ normalized[inject[i]] = inject[i];
+ }
+ }
+}
+
+/**
+ * Normalize raw function directives into object format.
+ */
+function normalizeDirectives(options) {
+ var dirs = options.directives;
+ if (dirs) {
+ for (var key in dirs) {
+ var def = dirs[key];
+ if (typeof def === 'function') {
+ dirs[key] = { bind: def, update: def };
+ }
+ }
+ }
+}
+
+/**
+ * Merge two option objects into a new one.
+ * Core utility used in both instantiation and inheritance.
+ */
+function mergeOptions(parent, child, vm) {
+ if (process.env.NODE_ENV !== 'production') {
+ checkComponents(child);
+ }
+
+ if (typeof child === 'function') {
+ child = child.options;
+ }
+
+ normalizeProps(child);
+ normalizeInject(child);
+ normalizeDirectives(child);
+ var extendsFrom = child.extends;
+ if (extendsFrom) {
+ parent = mergeOptions(parent, extendsFrom, 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 (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
+ warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
+ }
+ return res;
+}
+
+/* */
+
+function validateProp(key, propOptions, propsData, vm) {
+ var prop = propOptions[key];
+ var absent = !hasOwn(propsData, key);
+ var value = propsData[key];
+ // handle boolean props
+ if (isType(Boolean, prop.type)) {
+ if (absent && !hasOwn(prop, 'default')) {
+ value = false;
+ } else if (!isType(String, prop.type) && (value === '' || value === hyphenate(key))) {
+ value = true;
+ }
+ }
+ // check default value
+ if (value === undefined) {
+ value = getPropDefaultValue(vm, prop, key);
+ // since the default value is a fresh copy,
+ // make sure to observe it.
+ var prevShouldConvert = observerState.shouldConvert;
+ observerState.shouldConvert = true;
+ observe(value);
+ observerState.shouldConvert = prevShouldConvert;
+ }
+ if (process.env.NODE_ENV !== 'production') {
+ 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 (process.env.NODE_ENV !== 'production' && 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('Invalid prop: type check failed for prop "' + name + '".' + ' Expected ' + expectedTypes.map(capitalize).join(', ') + ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', vm);
+ return;
+ }
+ var validator = prop.validator;
+ if (validator) {
+ if (!validator(value)) {
+ warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
+ }
+ }
+}
+
+var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
+
+function assertType(value, type) {
+ var valid;
+ var expectedType = getType(type);
+ if (simpleCheckRE.test(expectedType)) {
+ valid = typeof value === expectedType.toLowerCase();
+ } 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 isType(type, fn) {
+ if (!Array.isArray(fn)) {
+ return getType(fn) === getType(type);
+ }
+ for (var i = 0, len = fn.length; i < len; i++) {
+ if (getType(fn[i]) === getType(type)) {
+ return true;
+ }
+ }
+ /* istanbul ignore next */
+ return false;
+}
+
+/* */
+
+var mark;
+var measure;
+
+if (process.env.NODE_ENV !== 'production') {
+ 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;
+
+if (process.env.NODE_ENV !== 'production') {
+ 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 to declare reactive data " + "properties in the data option.", target);
+ };
+
+ var hasProxy = typeof Proxy !== 'undefined' && Proxy.toString().match(/native code/);
+
+ if (hasProxy) {
+ var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta');
+ 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) || key.charAt(0) === '_';
+ if (!has && !isAllowed) {
+ warnNonPresent(target, key);
+ }
+ return has || !isAllowed;
+ }
+ };
+
+ var getHandler = {
+ get: function get(target, key) {
+ if (typeof key === 'string' && !(key in target)) {
+ 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 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.functionalContext = 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: {} };
+
+// 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, vnode.children, 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.isCloned = true;
+ return cloned;
+}
+
+function cloneVNodes(vnodes) {
+ var len = vnodes.length;
+ var res = new Array(len);
+ for (var i = 0; i < len; i++) {
+ res[i] = cloneVNode(vnodes[i]);
+ }
+ return res;
+}
+
+/* */
+
+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) {
+ 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++) {
+ cloned[i].apply(null, arguments$1);
+ }
+ } else {
+ // return handler return value for single handlers
+ return fns.apply(null, arguments);
+ }
+ }
+ invoker.fns = fns;
+ return invoker;
+}
+
+function updateListeners(on, oldOn, add, remove$$1, vm) {
+ var name, cur, old, event;
+ for (name in on) {
+ cur = on[name];
+ old = oldOn[name];
+ event = normalizeEvent(name);
+ if (isUndef(cur)) {
+ process.env.NODE_ENV !== 'production' && warn("Invalid handler for event \"" + event.name + "\": got " + String(cur), vm);
+ } else if (isUndef(old)) {
+ if (isUndef(cur.fns)) {
+ cur = on[name] = createFnInvoker(cur);
+ }
+ add(event.name, cur, event.once, event.capture, event.passive);
+ } else if (cur !== old) {
+ old.fns = cur;
+ on[name] = old;
+ }
+ }
+ for (name in oldOn) {
+ if (isUndef(on[name])) {
+ event = normalizeEvent(name);
+ remove$$1(event.name, oldOn[name], event.capture);
+ }
+ }
+}
+
+/* */
+
+function mergeVNodeHook(def, hookKey, hook) {
+ 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);
+ if (process.env.NODE_ENV !== 'production') {
+ var keyInLowerCase = key.toLowerCase();
+ if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
+ tip("Prop \"" + keyInLowerCase + "\" is passed to component " + formatComponentName(tag || Ctor) + ", but the declared prop name is" + " \"" + key + "\". " + "Note that HTML attributes are case-insensitive and camelCased " + "props need to use their kebab-case equivalents when using in-DOM " + "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\".");
+ }
+ }
+ checkProp(res, props, key, altKey, true) || checkProp(res, attrs, key, altKey, false);
+ }
+ }
+ return res;
+}
+
+function checkProp(res, hash, key, altKey, preserve) {
+ if (isDef(hash)) {
+ if (hasOwn(hash, key)) {
+ res[key] = hash[key];
+ if (!preserve) {
+ delete hash[key];
+ }
+ return true;
+ } else if (hasOwn(hash, altKey)) {
+ res[key] = hash[altKey];
+ if (!preserve) {
+ delete hash[altKey];
+ }
+ return true;
+ }
+ }
+ return false;
+}
+
+/* */
+
+// The template compiler attempts to minimize the need for normalization by
+// statically analyzing the template at compile time.
+//
+// For plain HTML markup, normalization can be completely skipped because the
+// generated render function is guaranteed to return Array<VNode>. There are
+// two cases where extra normalization is needed:
+
+// 1. When the children contains components - because a functional component
+// may return an Array instead of a single root. In this case, just a simple
+// normalization is needed - if any child is an Array, we flatten the whole
+// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
+// because functional components already normalize their own children.
+function simpleNormalizeChildren(children) {
+ for (var i = 0; i < children.length; i++) {
+ if (Array.isArray(children[i])) {
+ return Array.prototype.concat.apply([], children);
+ }
+ }
+ return children;
+}
+
+// 2. When the children contains constructs that always generated nested Arrays,
+// e.g. <template>, <slot>, v-for, or when the children is provided by user
+// with hand-written render functions / JSX. In such cases a full normalization
+// is needed to cater to all possible types of children values.
+function normalizeChildren(children) {
+ return isPrimitive(children) ? [createTextVNode(children)] : Array.isArray(children) ? normalizeArrayChildren(children) : undefined;
+}
+
+function isTextNode(node) {
+ return isDef(node) && isDef(node.text) && isFalse(node.isComment);
+}
+
+function normalizeArrayChildren(children, nestedIndex) {
+ var res = [];
+ var i, c, last;
+ for (i = 0; i < children.length; i++) {
+ c = children[i];
+ if (isUndef(c) || typeof c === 'boolean') {
+ continue;
+ }
+ last = res[res.length - 1];
+ // nested
+ if (Array.isArray(c)) {
+ res.push.apply(res, normalizeArrayChildren(c, (nestedIndex || '') + "_" + i));
+ } 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
+ last.text += String(c);
+ } else if (c !== '') {
+ // convert primitive to vnode
+ res.push(createTextVNode(c));
+ }
+ } else {
+ if (isTextNode(c) && isTextNode(last)) {
+ // merge adjacent text nodes
+ res[res.length - 1] = 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 ensureCtor(comp, base) {
+ if (comp.__esModule && comp.default) {
+ 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, context) {
+ if (isTrue(factory.error) && isDef(factory.errorComp)) {
+ return factory.errorComp;
+ }
+
+ if (isDef(factory.resolved)) {
+ return factory.resolved;
+ }
+
+ if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
+ return factory.loadingComp;
+ }
+
+ if (isDef(factory.contexts)) {
+ // already pending
+ factory.contexts.push(context);
+ } else {
+ var contexts = factory.contexts = [context];
+ var sync = true;
+
+ var forceRender = function () {
+ for (var i = 0, l = contexts.length; i < l; i++) {
+ contexts[i].$forceUpdate();
+ }
+ };
+
+ 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();
+ }
+ });
+
+ var reject = once(function (reason) {
+ process.env.NODE_ENV !== 'production' && warn("Failed to resolve async component: " + String(factory) + (reason ? "\nReason: " + reason : ''));
+ if (isDef(factory.errorComp)) {
+ factory.error = true;
+ forceRender();
+ }
+ });
+
+ var res = factory(resolve, reject);
+
+ if (isObject(res)) {
+ if (typeof res.then === 'function') {
+ // () => Promise
+ if (isUndef(factory.resolved)) {
+ res.then(resolve, reject);
+ }
+ } else if (isDef(res.component) && typeof res.component.then === 'function') {
+ 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();
+ }
+ }, res.delay || 200);
+ }
+ }
+
+ if (isDef(res.timeout)) {
+ setTimeout(function () {
+ if (isUndef(factory.resolved)) {
+ reject(process.env.NODE_ENV !== 'production' ? "timeout (" + res.timeout + "ms)" : null);
+ }
+ }, res.timeout);
+ }
+ }
+ }
+
+ sync = false;
+ // return in case resolved synchronously
+ return factory.loading ? factory.loadingComp : factory.resolved;
+ }
+}
+
+/* */
+
+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)) {
+ 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, once$$1) {
+ if (once$$1) {
+ target.$once(event, fn);
+ } else {
+ target.$on(event, fn);
+ }
+}
+
+function remove$1(event, fn) {
+ target.$off(event, fn);
+}
+
+function updateComponentListeners(vm, listeners, oldListeners) {
+ target = vm;
+ updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
+}
+
+function eventsMixin(Vue) {
+ var hookRE = /^hook:/;
+ Vue.prototype.$on = function (event, fn) {
+ var this$1 = this;
+
+ var vm = this;
+ if (Array.isArray(event)) {
+ for (var i = 0, l = event.length; i < l; i++) {
+ this$1.$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 this$1 = this;
+
+ 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++) {
+ this$1.$off(event[i$1], fn);
+ }
+ return vm;
+ }
+ // specific event
+ var cbs = vm._events[event];
+ if (!cbs) {
+ return vm;
+ }
+ if (arguments.length === 1) {
+ vm._events[event] = null;
+ return vm;
+ }
+ // specific handler
+ var cb;
+ var i = cbs.length;
+ while (i--) {
+ cb = cbs[i];
+ if (cb === fn || cb.fn === fn) {
+ cbs.splice(i, 1);
+ break;
+ }
+ }
+ return vm;
+ };
+
+ Vue.prototype.$emit = function (event) {
+ var vm = this;
+ if (process.env.NODE_ENV !== 'production') {
+ 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);
+ for (var i = 0, l = cbs.length; i < l; i++) {
+ try {
+ cbs[i].apply(vm, args);
+ } catch (e) {
+ handleError(e, vm, "event handler for \"" + event + "\"");
+ }
+ }
+ }
+ return vm;
+ };
+}
+
+/* */
+
+/**
+ * Runtime helper for resolving raw children VNodes into a slot object.
+ */
+function resolveSlots(children, context) {
+ var slots = {};
+ if (!children) {
+ return slots;
+ }
+ var defaultSlot = [];
+ for (var i = 0, l = children.length; i < l; i++) {
+ var child = children[i];
+ // named slots should only be respected if the vnode was rendered in the
+ // same context.
+ if ((child.context === context || child.functionalContext === context) && child.data && child.data.slot != null) {
+ var name = child.data.slot;
+ var slot = slots[name] || (slots[name] = []);
+ if (child.tag === 'template') {
+ slot.push.apply(slot, child.children);
+ } else {
+ slot.push(child);
+ }
+ } else {
+ defaultSlot.push(child);
+ }
+ }
+ // ignore whitespace
+ if (!defaultSlot.every(isWhitespace)) {
+ slots.default = defaultSlot;
+ }
+ return slots;
+}
+
+function isWhitespace(node) {
+ return node.isComment || node.text === ' ';
+}
+
+function resolveScopedSlots(fns, // see flow/vnode
+res) {
+ res = res || {};
+ for (var i = 0; i < fns.length; i++) {
+ if (Array.isArray(fns[i])) {
+ resolveScopedSlots(fns[i], res);
+ } else {
+ res[fns[i].key] = fns[i].fn;
+ }
+ }
+ return res;
+}
+
+/* */
+
+var activeInstance = null;
+var isUpdatingChildComponent = false;
+
+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;
+ if (vm._isMounted) {
+ callHook(vm, 'beforeUpdate');
+ }
+ var prevEl = vm.$el;
+ var prevVnode = vm._vnode;
+ var prevActiveInstance = activeInstance;
+ activeInstance = vm;
+ vm._vnode = vnode;
+ // Vue.prototype.__patch__ is injected in entry points
+ // based on the rendering backend used.
+ if (!prevVnode) {
+ // initial render
+ vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */
+ , vm.$options._parentElm, vm.$options._refElm);
+ // no need for the ref nodes after initial patch
+ // this prevents keeping a detached DOM tree in memory (#5851)
+ vm.$options._parentElm = vm.$options._refElm = null;
+ } else {
+ // updates
+ vm.$el = vm.__patch__(prevVnode, vnode);
+ }
+ activeInstance = prevActiveInstance;
+ // 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;
+ }
+ };
+}
+
+function mountComponent(vm, el, hydrating) {
+ vm.$el = el;
+ if (!vm.$options.render) {
+ vm.$options.render = createEmptyVNode;
+ if (process.env.NODE_ENV !== 'production') {
+ /* istanbul ignore if */
+ if (vm.$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 (process.env.NODE_ENV !== 'production' && 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(name + " render", startTag, endTag);
+
+ mark(startTag);
+ vm._update(vnode, hydrating);
+ mark(endTag);
+ measure(name + " patch", startTag, endTag);
+ };
+ } else {
+ updateComponent = function () {
+ vm._update(vm._render(), hydrating);
+ };
+ }
+
+ vm._watcher = new Watcher(vm, updateComponent, noop);
+ hydrating = false;
+
+ // manually mounted instance, call mounted on self
+ // mounted is called for render-created child components in its inserted hook
+ if (vm.$vnode == null) {
+ vm._isMounted = true;
+ callHook(vm, 'mounted');
+ }
+ return vm;
+}
+
+function updateChildComponent(vm, propsData, listeners, parentVnode, renderChildren) {
+ if (process.env.NODE_ENV !== 'production') {
+ isUpdatingChildComponent = true;
+ }
+
+ // determine whether component has slot children
+ // we need to do this before overwriting $options._renderChildren
+ var hasChildren = !!(renderChildren || // has new static slots
+ vm.$options._renderChildren || // has old static slots
+ parentVnode.data.scopedSlots || // has new scoped slots
+ vm.$scopedSlots !== emptyObject // has old scoped slots
+ );
+
+ vm.$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 $listensers hash
+ // these are also reactive so they may trigger child update if the child
+ // used them during render
+ vm.$attrs = parentVnode.data && parentVnode.data.attrs;
+ vm.$listeners = listeners;
+
+ // update props
+ if (propsData && vm.$options.props) {
+ observerState.shouldConvert = false;
+ var props = vm._props;
+ var propKeys = vm.$options._propKeys || [];
+ for (var i = 0; i < propKeys.length; i++) {
+ var key = propKeys[i];
+ props[key] = validateProp(key, vm.$options.props, propsData, vm);
+ }
+ observerState.shouldConvert = true;
+ // keep a copy of raw propsData
+ vm.$options.propsData = propsData;
+ }
+
+ // update listeners
+ if (listeners) {
+ var oldListeners = vm.$options._parentListeners;
+ vm.$options._parentListeners = listeners;
+ updateComponentListeners(vm, listeners, oldListeners);
+ }
+ // resolve slots + force update if has children
+ if (hasChildren) {
+ vm.$slots = resolveSlots(renderChildren, parentVnode.context);
+ vm.$forceUpdate();
+ }
+
+ if (process.env.NODE_ENV !== 'production') {
+ isUpdatingChildComponent = false;
+ }
+}
+
+function isInInactiveTree(vm) {
+ while (vm && (vm = vm.$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) {
+ var handlers = vm.$options[hook];
+ if (handlers) {
+ for (var i = 0, j = handlers.length; i < j; i++) {
+ try {
+ handlers[i].call(vm);
+ } catch (e) {
+ handleError(e, vm, hook + " hook");
+ }
+ }
+ }
+ if (vm._hasHookEvent) {
+ vm.$emit('hook:' + hook);
+ }
+}
+
+/* */
+
+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 = {};
+ if (process.env.NODE_ENV !== 'production') {
+ circular = {};
+ }
+ waiting = flushing = false;
+}
+
+/**
+ * Flush both queues and run the watchers.
+ */
+function flushSchedulerQueue() {
+ 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];
+ id = watcher.id;
+ has[id] = null;
+ watcher.run();
+ // in dev build, check and stop circular updates.
+ if (process.env.NODE_ENV !== 'production' && 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) {
+ 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;
+ 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) {
+ this.vm = vm;
+ vm._watchers.push(this);
+ // options
+ if (options) {
+ this.deep = !!options.deep;
+ this.user = !!options.user;
+ this.lazy = !!options.lazy;
+ this.sync = !!options.sync;
+ } 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 = process.env.NODE_ENV !== 'production' ? expOrFn.toString() : '';
+ // parse expression for getter
+ if (typeof expOrFn === 'function') {
+ this.getter = expOrFn;
+ } else {
+ this.getter = parsePath(expOrFn);
+ if (!this.getter) {
+ this.getter = function () {};
+ process.env.NODE_ENV !== 'production' && warn("Failed watching path: \"" + expOrFn + "\" " + 'Watcher only accepts simple dot-delimited paths. ' + 'For full control, use a function instead.', vm);
+ }
+ }
+ this.value = this.lazy ? undefined : this.get();
+};
+
+/**
+ * Evaluate the getter, and re-collect dependencies.
+ */
+Watcher.prototype.get = function get() {
+ pushTarget(this);
+ var value;
+ 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 this$1 = this;
+
+ var i = this.deps.length;
+ while (i--) {
+ var dep = this$1.deps[i];
+ if (!this$1.newDepIds.has(dep.id)) {
+ dep.removeSub(this$1);
+ }
+ }
+ var tmp = this.depIds;
+ this.depIds = this.newDepIds;
+ this.newDepIds = tmp;
+ this.newDepIds.clear();
+ tmp = this.deps;
+ this.deps = this.newDeps;
+ this.newDeps = tmp;
+ this.newDeps.length = 0;
+};
+
+/**
+ * Subscriber interface.
+ * Will be called when a dependency changes.
+ */
+Watcher.prototype.update = function update() {
+ /* istanbul ignore else */
+ if (this.lazy) {
+ this.dirty = true;
+ } else if (this.sync) {
+ this.run();
+ } else {
+ queueWatcher(this);
+ }
+};
+
+/**
+ * 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 this$1 = this;
+
+ var i = this.deps.length;
+ while (i--) {
+ this$1.deps[i].depend();
+ }
+};
+
+/**
+ * Remove self from all dependencies' subscriber list.
+ */
+Watcher.prototype.teardown = function teardown() {
+ var this$1 = this;
+
+ 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$1.deps[i].removeSub(this$1);
+ }
+ this.active = false;
+ }
+};
+
+/**
+ * Recursively traverse an object to evoke all converted
+ * getters, so that every nested property inside the object
+ * is collected as a "deep" dependency.
+ */
+var seenObjects = new _Set();
+function traverse(val) {
+ seenObjects.clear();
+ _traverse(val, seenObjects);
+}
+
+function _traverse(val, seen) {
+ var i, keys;
+ var isA = Array.isArray(val);
+ if (!isA && !isObject(val) || !Object.isExtensible(val)) {
+ return;
+ }
+ if (val.__ob__) {
+ var depId = val.__ob__.dep.id;
+ if (seen.has(depId)) {
+ return;
+ }
+ seen.add(depId);
+ }
+ if (isA) {
+ i = val.length;
+ while (i--) {
+ _traverse(val[i], seen);
+ }
+ } else {
+ keys = Object.keys(val);
+ i = keys.length;
+ while (i--) {
+ _traverse(val[keys[i]], seen);
+ }
+ }
+}
+
+/* */
+
+var sharedPropertyDefinition = {
+ enumerable: true,
+ configurable: true,
+ get: noop,
+ set: noop
+};
+
+function proxy(target, sourceKey, key) {
+ sharedPropertyDefinition.get = function proxyGetter() {
+ return this[sourceKey][key];
+ };
+ sharedPropertyDefinition.set = function proxySetter(val) {
+ this[sourceKey][key] = val;
+ };
+ Object.defineProperty(target, key, sharedPropertyDefinition);
+}
+
+function initState(vm) {
+ vm._watchers = [];
+ var opts = vm.$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 checkOptionType(vm, name) {
+ var option = vm.$options[name];
+ if (!isPlainObject(option)) {
+ warn("component option \"" + name + "\" should be an object.", vm);
+ }
+}
+
+function initProps(vm, propsOptions) {
+ var propsData = vm.$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
+ observerState.shouldConvert = isRoot;
+ var loop = function (key) {
+ keys.push(key);
+ var value = validateProp(key, propsOptions, propsData, vm);
+ /* istanbul ignore else */
+ if (process.env.NODE_ENV !== 'production') {
+ if (isReservedAttribute(key) || config.isReservedAttr(key)) {
+ warn("\"" + key + "\" is a reserved attribute and cannot be used as component prop.", vm);
+ }
+ defineReactive$$1(props, key, value, function () {
+ if (vm.$parent && !isUpdatingChildComponent) {
+ warn("Avoid mutating a prop directly since the value will be " + "overwritten whenever the parent component re-renders. " + "Instead, use a data or computed property based on the prop's " + "value. Prop being mutated: \"" + key + "\"", vm);
+ }
+ });
+ } else {
+ defineReactive$$1(props, key, value);
+ }
+ // 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);
+ observerState.shouldConvert = true;
+}
+
+function initData(vm) {
+ var data = vm.$options.data;
+ data = vm._data = typeof data === 'function' ? getData(data, vm) : data || {};
+ if (!isPlainObject(data)) {
+ data = {};
+ process.env.NODE_ENV !== 'production' && warn('data functions should return an object:\n' + 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', vm);
+ }
+ // proxy data on instance
+ var keys = Object.keys(data);
+ var props = vm.$options.props;
+ var methods = vm.$options.methods;
+ var i = keys.length;
+ while (i--) {
+ var key = keys[i];
+ if (process.env.NODE_ENV !== 'production') {
+ if (methods && hasOwn(methods, key)) {
+ warn("method \"" + key + "\" has already been defined as a data property.", vm);
+ }
+ }
+ if (props && hasOwn(props, key)) {
+ process.env.NODE_ENV !== 'production' && warn("The data property \"" + key + "\" is already declared as a prop. " + "Use prop default value instead.", vm);
+ } else if (!isReserved(key)) {
+ proxy(vm, "_data", key);
+ }
+ }
+ // observe data
+ observe(data, true /* asRootData */);
+}
+
+function getData(data, vm) {
+ try {
+ return data.call(vm);
+ } catch (e) {
+ handleError(e, vm, "data()");
+ return {};
+ }
+}
+
+var computedWatcherOptions = { lazy: true };
+
+function initComputed(vm, computed) {
+ process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'computed');
+ var watchers = vm._computedWatchers = Object.create(null);
+
+ for (var key in computed) {
+ var userDef = computed[key];
+ var getter = typeof userDef === 'function' ? userDef : userDef.get;
+ if (process.env.NODE_ENV !== 'production' && getter == null) {
+ warn("Getter is missing for computed property \"" + key + "\".", vm);
+ }
+ // create internal watcher for the computed property.
+ watchers[key] = new Watcher(vm, getter || noop, noop, computedWatcherOptions);
+
+ // component-defined computed properties are already defined on the
+ // component prototype. We only need to define computed properties defined
+ // at instantiation here.
+ if (!(key in vm)) {
+ defineComputed(vm, key, userDef);
+ } else if (process.env.NODE_ENV !== 'production') {
+ if (key in vm.$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) {
+ if (typeof userDef === 'function') {
+ sharedPropertyDefinition.get = createComputedGetter(key);
+ sharedPropertyDefinition.set = noop;
+ } else {
+ sharedPropertyDefinition.get = userDef.get ? userDef.cache !== false ? createComputedGetter(key) : userDef.get : noop;
+ sharedPropertyDefinition.set = userDef.set ? userDef.set : noop;
+ }
+ if (process.env.NODE_ENV !== 'production' && 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 initMethods(vm, methods) {
+ process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'methods');
+ var props = vm.$options.props;
+ for (var key in methods) {
+ vm[key] = methods[key] == null ? noop : bind(methods[key], vm);
+ if (process.env.NODE_ENV !== 'production') {
+ if (methods[key] == null) {
+ warn("method \"" + key + "\" has an undefined value in the component definition. " + "Did you reference the function correctly?", vm);
+ }
+ if (props && hasOwn(props, key)) {
+ warn("method \"" + key + "\" has already been defined as a prop.", vm);
+ }
+ }
+ }
+}
+
+function initWatch(vm, watch) {
+ process.env.NODE_ENV !== 'production' && checkOptionType(vm, 'watch');
+ for (var key in watch) {
+ var handler = watch[key];
+ if (Array.isArray(handler)) {
+ for (var i = 0; i < handler.length; i++) {
+ createWatcher(vm, key, handler[i]);
+ }
+ } else {
+ createWatcher(vm, key, handler);
+ }
+ }
+}
+
+function createWatcher(vm, keyOrFn, handler, options) {
+ if (isPlainObject(handler)) {
+ options = handler;
+ handler = handler.handler;
+ }
+ if (typeof handler === 'string') {
+ handler = vm[handler];
+ }
+ return vm.$watch(keyOrFn, 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;
+ };
+ if (process.env.NODE_ENV !== 'production') {
+ dataDef.set = function (newData) {
+ 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.$watch = function (expOrFn, cb, options) {
+ var vm = this;
+ if (isPlainObject(cb)) {
+ return createWatcher(vm, expOrFn, cb, options);
+ }
+ options = options || {};
+ options.user = true;
+ var watcher = new Watcher(vm, expOrFn, cb, options);
+ if (options.immediate) {
+ cb.call(vm, watcher.value);
+ }
+ return function unwatchFn() {
+ watcher.teardown();
+ };
+ };
+}
+
+/* */
+
+function initProvide(vm) {
+ var provide = vm.$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) {
+ observerState.shouldConvert = false;
+ Object.keys(result).forEach(function (key) {
+ /* istanbul ignore else */
+ if (process.env.NODE_ENV !== 'production') {
+ defineReactive$$1(vm, key, result[key], function () {
+ warn("Avoid mutating an injected value directly since the changes will be " + "overwritten whenever the provided component re-renders. " + "injection being mutated: \"" + key + "\"", vm);
+ });
+ } else {
+ defineReactive$$1(vm, key, result[key]);
+ }
+ });
+ observerState.shouldConvert = 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];
+ var provideKey = inject[key];
+ var source = vm;
+ while (source) {
+ if (source._provided && provideKey in source._provided) {
+ result[key] = source._provided[provideKey];
+ break;
+ }
+ source = source.$parent;
+ }
+ if (process.env.NODE_ENV !== 'production' && !source) {
+ warn("Injection \"" + key + "\" not found", vm);
+ }
+ }
+ return result;
+ }
+}
+
+/* */
+
+function createFunctionalComponent(Ctor, propsData, data, context, children) {
+ var props = {};
+ var propOptions = Ctor.options.props;
+ if (isDef(propOptions)) {
+ for (var key in propOptions) {
+ props[key] = validateProp(key, propOptions, propsData || {});
+ }
+ } else {
+ if (isDef(data.attrs)) {
+ mergeProps(props, data.attrs);
+ }
+ if (isDef(data.props)) {
+ mergeProps(props, data.props);
+ }
+ }
+ // ensure the createElement function in functional components
+ // gets a unique context - this is necessary for correct named slot check
+ var _context = Object.create(context);
+ var h = function (a, b, c, d) {
+ return createElement(_context, a, b, c, d, true);
+ };
+ var vnode = Ctor.options.render.call(null, h, {
+ data: data,
+ props: props,
+ children: children,
+ parent: context,
+ listeners: data.on || {},
+ injections: resolveInject(Ctor.options.inject, context),
+ slots: function () {
+ return resolveSlots(children, context);
+ }
+ });
+ if (vnode instanceof VNode) {
+ vnode.functionalContext = context;
+ vnode.functionalOptions = Ctor.options;
+ if (data.slot) {
+ (vnode.data || (vnode.data = {})).slot = data.slot;
+ }
+ }
+ return vnode;
+}
+
+function mergeProps(to, from) {
+ for (var key in from) {
+ to[camelize(key)] = from[key];
+ }
+}
+
+/* */
+
+// hooks to be invoked on component VNodes during patch
+var componentVNodeHooks = {
+ init: function init(vnode, hydrating, parentElm, refElm) {
+ if (!vnode.componentInstance || vnode.componentInstance._isDestroyed) {
+ var child = vnode.componentInstance = createComponentInstanceForVnode(vnode, activeInstance, parentElm, refElm);
+ child.$mount(hydrating ? vnode.elm : undefined, hydrating);
+ } else if (vnode.data.keepAlive) {
+ // kept-alive components, treat as a patch
+ var mountedNode = vnode; // work around flow
+ componentVNodeHooks.prepatch(mountedNode, mountedNode);
+ }
+ },
+
+ 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') {
+ if (process.env.NODE_ENV !== 'production') {
+ warn("Invalid Component definition: " + String(Ctor), context);
+ }
+ return;
+ }
+
+ // async component
+ var asyncFactory;
+ if (isUndef(Ctor.cid)) {
+ asyncFactory = Ctor;
+ Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);
+ 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;
+ }
+ }
+
+ // merge component management hooks onto the placeholder node
+ mergeHooks(data);
+
+ // return a placeholder vnode
+ var name = Ctor.options.name || tag;
+ var vnode = new VNode("vue-component-" + Ctor.cid + (name ? "-" + name : ''), data, undefined, undefined, undefined, 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
+parentElm, refElm) {
+ var vnodeComponentOptions = vnode.componentOptions;
+ var options = {
+ _isComponent: true,
+ parent: parent,
+ propsData: vnodeComponentOptions.propsData,
+ _componentTag: vnodeComponentOptions.tag,
+ _parentVnode: vnode,
+ _parentListeners: vnodeComponentOptions.listeners,
+ _renderChildren: vnodeComponentOptions.children,
+ _parentElm: parentElm || null,
+ _refElm: refElm || null
+ };
+ // check inline-template render functions
+ var inlineTemplate = vnode.data.inlineTemplate;
+ if (isDef(inlineTemplate)) {
+ options.render = inlineTemplate.render;
+ options.staticRenderFns = inlineTemplate.staticRenderFns;
+ }
+ return new vnodeComponentOptions.Ctor(options);
+}
+
+function mergeHooks(data) {
+ if (!data.hook) {
+ data.hook = {};
+ }
+ for (var i = 0; i < hooksToMerge.length; i++) {
+ var key = hooksToMerge[i];
+ var fromParent = data.hook[key];
+ var ours = componentVNodeHooks[key];
+ data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
+ }
+}
+
+function mergeHook$1(one, two) {
+ return function (a, b, c, d) {
+ one(a, b, c, d);
+ two(a, b, c, d);
+ };
+}
+
+// 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.props || (data.props = {}))[prop] = data.model.value;
+ var on = data.on || (data.on = {});
+ if (isDef(on[event])) {
+ on[event] = [data.model.callback].concat(on[event]);
+ } else {
+ on[event] = data.model.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__)) {
+ process.env.NODE_ENV !== 'production' && warn("Avoid using observed data object as vnode data: " + JSON.stringify(data) + "\n" + 'Always create fresh vnode data objects in each render!', context);
+ return 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 (process.env.NODE_ENV !== 'production' && 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 = config.getTagNamespace(tag);
+ if (config.isReservedTag(tag)) {
+ // platform built-in elements
+ vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
+ } else if (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 (isDef(vnode)) {
+ if (ns) {
+ applyNS(vnode, ns);
+ }
+ return vnode;
+ } else {
+ return createEmptyVNode();
+ }
+}
+
+function applyNS(vnode, ns) {
+ vnode.ns = ns;
+ if (vnode.tag === 'foreignObject') {
+ // use default namespace inside foreignObject
+ return;
+ }
+ 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)) {
+ applyNS(child, ns);
+ }
+ }
+ }
+}
+
+/* */
+
+/**
+ * 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)) {
+ 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._isVList = true;
+ }
+ return ret;
+}
+
+/* */
+
+/**
+ * Runtime helper for rendering <slot>
+ */
+function renderSlot(name, fallback, props, bindObject) {
+ var scopedSlotFn = this.$scopedSlots[name];
+ if (scopedSlotFn) {
+ // scoped slot
+ props = props || {};
+ if (bindObject) {
+ props = extend(extend({}, bindObject), props);
+ }
+ return scopedSlotFn(props) || fallback;
+ } else {
+ var slotNodes = this.$slots[name];
+ // warn duplicate slot usage
+ if (slotNodes && process.env.NODE_ENV !== 'production') {
+ slotNodes._rendered && warn("Duplicate presence of slot \"" + name + "\" found in the same render tree " + "- this will likely cause render errors.", this);
+ slotNodes._rendered = true;
+ }
+ return slotNodes || fallback;
+ }
+}
+
+/* */
+
+/**
+ * Runtime helper for resolving filters
+ */
+function resolveFilter(id) {
+ return resolveAsset(this.$options, 'filters', id, true) || identity;
+}
+
+/* */
+
+/**
+ * Runtime helper for checking keyCodes from config.
+ */
+function checkKeyCodes(eventKeyCode, key, builtInAlias) {
+ var keyCodes = config.keyCodes[key] || builtInAlias;
+ if (Array.isArray(keyCodes)) {
+ return keyCodes.indexOf(eventKeyCode) === -1;
+ } else {
+ return keyCodes !== eventKeyCode;
+ }
+}
+
+/* */
+
+/**
+ * Runtime helper for merging v-bind="object" into a VNode's data.
+ */
+function bindObjectProps(data, tag, value, asProp, isSync) {
+ if (value) {
+ if (!isObject(value)) {
+ process.env.NODE_ENV !== 'production' && warn('v-bind without argument expects an Object or Array value', this);
+ } else {
+ if (Array.isArray(value)) {
+ value = toObject(value);
+ }
+ var hash;
+ var loop = function (key) {
+ if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
+ hash = data;
+ } else {
+ var type = data.attrs && data.attrs.type;
+ hash = asProp || config.mustUseProp(tag, type, key) ? data.domProps || (data.domProps = {}) : data.attrs || (data.attrs = {});
+ }
+ if (!(key in hash)) {
+ hash[key] = value[key];
+
+ if (isSync) {
+ var on = data.on || (data.on = {});
+ on["update:" + key] = function ($event) {
+ value[key] = $event;
+ };
+ }
+ }
+ };
+
+ for (var key in value) loop(key);
+ }
+ }
+ return data;
+}
+
+/* */
+
+/**
+ * Runtime helper for rendering static trees.
+ */
+function renderStatic(index, isInFor) {
+ var tree = this._staticTrees[index];
+ // if has already-rendered static tree and not inside v-for,
+ // we can reuse the same tree by doing a shallow clone.
+ if (tree && !isInFor) {
+ return Array.isArray(tree) ? cloneVNodes(tree) : cloneVNode(tree);
+ }
+ // otherwise, render a fresh tree.
+ tree = this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy);
+ 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)) {
+ process.env.NODE_ENV !== 'production' && 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(ours, existing) : ours;
+ }
+ }
+ }
+ return data;
+}
+
+/* */
+
+function initRender(vm) {
+ vm._vnode = null; // the root of the child tree
+ vm._staticTrees = null;
+ var parentVnode = vm.$vnode = vm.$options._parentVnode; // the placeholder node in parent tree
+ var renderContext = parentVnode && parentVnode.context;
+ vm.$slots = resolveSlots(vm.$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 */
+ if (process.env.NODE_ENV !== 'production') {
+ defineReactive$$1(vm, '$attrs', parentData && parentData.attrs, function () {
+ !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
+ }, true);
+ defineReactive$$1(vm, '$listeners', vm.$options._parentListeners, function () {
+ !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
+ }, true);
+ } else {
+ defineReactive$$1(vm, '$attrs', parentData && parentData.attrs, null, true);
+ defineReactive$$1(vm, '$listeners', vm.$options._parentListeners, null, true);
+ }
+}
+
+function renderMixin(Vue) {
+ 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 staticRenderFns = ref.staticRenderFns;
+ var _parentVnode = ref._parentVnode;
+
+ if (vm._isMounted) {
+ // clone slot nodes on re-renders
+ for (var key in vm.$slots) {
+ vm.$slots[key] = cloneVNodes(vm.$slots[key]);
+ }
+ }
+
+ vm.$scopedSlots = _parentVnode && _parentVnode.data.scopedSlots || emptyObject;
+
+ if (staticRenderFns && !vm._staticTrees) {
+ vm._staticTrees = [];
+ }
+ // set parent vnode. this allows render functions to have access
+ // to the data on the placeholder node.
+ vm.$vnode = _parentVnode;
+ // render self
+ var vnode;
+ try {
+ vnode = render.call(vm._renderProxy, vm.$createElement);
+ } catch (e) {
+ handleError(e, vm, "render function");
+ // return error render result,
+ // or previous vnode to prevent render error causing blank component
+ /* istanbul ignore else */
+ if (process.env.NODE_ENV !== 'production') {
+ vnode = vm.$options.renderError ? vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e) : vm._vnode;
+ } else {
+ vnode = vm._vnode;
+ }
+ }
+ // return empty vnode in case the render function errored out
+ if (!(vnode instanceof VNode)) {
+ if (process.env.NODE_ENV !== 'production' && 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;
+ };
+
+ // internal render helpers.
+ // these are exposed on the instance prototype to reduce generated render
+ // code size.
+ Vue.prototype._o = markOnce;
+ Vue.prototype._n = toNumber;
+ Vue.prototype._s = toString;
+ Vue.prototype._l = renderList;
+ Vue.prototype._t = renderSlot;
+ Vue.prototype._q = looseEqual;
+ Vue.prototype._i = looseIndexOf;
+ Vue.prototype._m = renderStatic;
+ Vue.prototype._f = resolveFilter;
+ Vue.prototype._k = checkKeyCodes;
+ Vue.prototype._b = bindObjectProps;
+ Vue.prototype._v = createTextVNode;
+ Vue.prototype._e = createEmptyVNode;
+ Vue.prototype._u = resolveScopedSlots;
+ Vue.prototype._g = bindObjectListeners;
+}
+
+/* */
+
+var uid$1 = 0;
+
+function initMixin(Vue) {
+ Vue.prototype._init = function (options) {
+ var vm = this;
+ // a uid
+ vm._uid = uid$1++;
+
+ var startTag, endTag;
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
+ startTag = "vue-perf-init:" + vm._uid;
+ endTag = "vue-perf-end:" + vm._uid;
+ mark(startTag);
+ }
+
+ // a flag to avoid this being observed
+ vm._isVue = true;
+ // merge options
+ if (options && options._isComponent) {
+ // optimize internal component instantiation
+ // since dynamic options merging is pretty slow, and none of the
+ // internal component options needs special treatment.
+ initInternalComponent(vm, options);
+ } else {
+ vm.$options = mergeOptions(resolveConstructorOptions(vm.constructor), options || {}, vm);
+ }
+ /* istanbul ignore else */
+ if (process.env.NODE_ENV !== 'production') {
+ initProxy(vm);
+ } else {
+ vm._renderProxy = 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 (process.env.NODE_ENV !== 'production' && config.performance && mark) {
+ vm._name = formatComponentName(vm, false);
+ mark(endTag);
+ measure(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.
+ opts.parent = options.parent;
+ opts.propsData = options.propsData;
+ opts._parentVnode = options._parentVnode;
+ opts._parentListeners = options._parentListeners;
+ opts._renderChildren = options._renderChildren;
+ opts._componentTag = options._componentTag;
+ opts._parentElm = options._parentElm;
+ opts._refElm = options._refElm;
+ 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 extended = Ctor.extendOptions;
+ var sealed = Ctor.sealedOptions;
+ for (var key in latest) {
+ if (latest[key] !== sealed[key]) {
+ if (!modified) {
+ modified = {};
+ }
+ modified[key] = dedupe(latest[key], extended[key], sealed[key]);
+ }
+ }
+ return modified;
+}
+
+function dedupe(latest, extended, sealed) {
+ // compare latest and sealed to ensure lifecycle hooks won't be duplicated
+ // between merges
+ if (Array.isArray(latest)) {
+ var res = [];
+ sealed = Array.isArray(sealed) ? sealed : [sealed];
+ extended = Array.isArray(extended) ? extended : [extended];
+ for (var i = 0; i < latest.length; i++) {
+ // push original options and not sealed options to exclude duplicated options
+ if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
+ res.push(latest[i]);
+ }
+ }
+ return res;
+ } else {
+ return latest;
+ }
+}
+
+function Vue$3(options) {
+ if (process.env.NODE_ENV !== 'production' && !(this instanceof Vue$3)) {
+ warn('Vue is a constructor and should be called with the `new` keyword');
+ }
+ this._init(options);
+}
+
+initMixin(Vue$3);
+stateMixin(Vue$3);
+eventsMixin(Vue$3);
+lifecycleMixin(Vue$3);
+renderMixin(Vue$3);
+
+/* */
+
+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$1(Vue) {
+ Vue.mixin = function (mixin) {
+ this.options = mergeOptions(this.options, mixin);
+ return this;
+ };
+}
+
+/* */
+
+function initExtend(Vue) {
+ /**
+ * Each instance constructor, including Vue, has a unique
+ * cid. This enables us to create wrapped "child
+ * constructors" for prototypal inheritance and cache them.
+ */
+ Vue.cid = 0;
+ var cid = 1;
+
+ /**
+ * Class inheritance
+ */
+ Vue.extend = function (extendOptions) {
+ extendOptions = extendOptions || {};
+ var Super = this;
+ var SuperId = Super.cid;
+ var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
+ if (cachedCtors[SuperId]) {
+ return cachedCtors[SuperId];
+ }
+
+ var name = extendOptions.name || Super.options.name;
+ if (process.env.NODE_ENV !== 'production') {
+ if (!/^[a-zA-Z][\w-]*$/.test(name)) {
+ warn('Invalid component name: "' + name + '". Component names ' + 'can only contain alphanumeric characters and the hyphen, ' + 'and must start with a letter.');
+ }
+ }
+
+ 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$1(Comp) {
+ var computed = Comp.options.computed;
+ for (var key in computed) {
+ defineComputed(Comp.prototype, key, computed[key]);
+ }
+}
+
+/* */
+
+function initAssetRegisters(Vue) {
+ /**
+ * Create asset registration methods.
+ */
+ ASSET_TYPES.forEach(function (type) {
+ Vue[type] = function (id, definition) {
+ if (!definition) {
+ return this.options[type + 's'][id];
+ } else {
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production') {
+ if (type === 'component' && config.isReservedTag(id)) {
+ warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + id);
+ }
+ }
+ if (type === 'component' && isPlainObject(definition)) {
+ definition.name = definition.name || id;
+ definition = this.options._base.extend(definition);
+ }
+ if (type === 'directive' && typeof definition === 'function') {
+ definition = { bind: definition, update: definition };
+ }
+ this.options[type + 's'][id] = definition;
+ return definition;
+ }
+ };
+ });
+}
+
+/* */
+
+var patternTypes = [String, RegExp, Array];
+
+function getComponentName(opts) {
+ return opts && (opts.Ctor.options.name || opts.tag);
+}
+
+function matches(pattern, name) {
+ if (Array.isArray(pattern)) {
+ return pattern.indexOf(name) > -1;
+ } else if (typeof pattern === 'string') {
+ return pattern.split(',').indexOf(name) > -1;
+ } else if (isRegExp(pattern)) {
+ return pattern.test(name);
+ }
+ /* istanbul ignore next */
+ return false;
+}
+
+function pruneCache(cache, current, filter) {
+ for (var key in cache) {
+ var cachedNode = cache[key];
+ if (cachedNode) {
+ var name = getComponentName(cachedNode.componentOptions);
+ if (name && !filter(name)) {
+ if (cachedNode !== current) {
+ pruneCacheEntry(cachedNode);
+ }
+ cache[key] = null;
+ }
+ }
+ }
+}
+
+function pruneCacheEntry(vnode) {
+ if (vnode) {
+ vnode.componentInstance.$destroy();
+ }
+}
+
+var KeepAlive = {
+ name: 'keep-alive',
+ abstract: true,
+
+ props: {
+ include: patternTypes,
+ exclude: patternTypes
+ },
+
+ created: function created() {
+ this.cache = Object.create(null);
+ },
+
+ destroyed: function destroyed() {
+ var this$1 = this;
+
+ for (var key in this$1.cache) {
+ pruneCacheEntry(this$1.cache[key]);
+ }
+ },
+
+ watch: {
+ include: function include(val) {
+ pruneCache(this.cache, this._vnode, function (name) {
+ return matches(val, name);
+ });
+ },
+ exclude: function exclude(val) {
+ pruneCache(this.cache, this._vnode, function (name) {
+ return !matches(val, name);
+ });
+ }
+ },
+
+ render: function render() {
+ var vnode = getFirstComponentChild(this.$slots.default);
+ var componentOptions = vnode && vnode.componentOptions;
+ if (componentOptions) {
+ // check pattern
+ var name = getComponentName(componentOptions);
+ if (name && (this.include && !matches(this.include, name) || this.exclude && matches(this.exclude, name))) {
+ return vnode;
+ }
+ 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 (this.cache[key]) {
+ vnode.componentInstance = this.cache[key].componentInstance;
+ } else {
+ this.cache[key] = vnode;
+ }
+ vnode.data.keepAlive = true;
+ }
+ return vnode;
+ }
+};
+
+var builtInComponents = {
+ KeepAlive: KeepAlive
+};
+
+/* */
+
+function initGlobalAPI(Vue) {
+ // config
+ var configDef = {};
+ configDef.get = function () {
+ return config;
+ };
+ if (process.env.NODE_ENV !== 'production') {
+ 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;
+
+ 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$3);
+
+Object.defineProperty(Vue$3.prototype, '$isServer', {
+ get: isServerRendering
+});
+
+Object.defineProperty(Vue$3.prototype, '$ssrContext', {
+ get: function get() {
+ /* istanbul ignore next */
+ return this.$vnode && this.$vnode.ssrContext;
+ }
+});
+
+Vue$3.version = '2.4.2';
+
+/* */
+
+// 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');
+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 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.data) {
+ data = mergeClassData(childNode.data, data);
+ }
+ }
+ while (isDef(parentNode = parentNode.parent)) {
+ if (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());
+ }
+}
+
+/* */
+
+/**
+ * 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) {
+ process.env.NODE_ENV !== 'production' && 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 setAttribute(node, key, val) {
+ node.setAttribute(key, val);
+}
+
+var nodeOps = Object.freeze({
+ createElement: createElement$1,
+ createElementNS: createElementNS,
+ createTextNode: createTextNode,
+ createComment: createComment,
+ insertBefore: insertBefore,
+ removeChild: removeChild,
+ appendChild: appendChild,
+ parentNode: parentNode,
+ nextSibling: nextSibling,
+ tagName: tagName,
+ setTextContent: setTextContent,
+ setAttribute: setAttribute
+});
+
+/* */
+
+var ref = {
+ create: function create(_, vnode) {
+ registerRef(vnode);
+ },
+ update: function update(oldVnode, vnode) {
+ if (oldVnode.data.ref !== vnode.data.ref) {
+ registerRef(oldVnode, true);
+ registerRef(vnode);
+ }
+ },
+ destroy: function destroy(vnode) {
+ registerRef(vnode, true);
+ }
+};
+
+function registerRef(vnode, isRemoval) {
+ var key = vnode.data.ref;
+ if (!key) {
+ return;
+ }
+
+ var vm = vnode.context;
+ var ref = vnode.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));
+}
+
+// Some browsers do not support dynamically changing type for <input>
+// so they need to be treated as different nodes
+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;
+}
+
+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);
+ }
+ }
+
+ var inPre = 0;
+ function createElm(vnode, insertedVnodeQueue, parentElm, refElm, nested) {
+ 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 (process.env.NODE_ENV !== 'production') {
+ if (data && data.pre) {
+ inPre++;
+ }
+ if (!inPre && !vnode.ns && !(config.ignoredElements.length && config.ignoredElements.indexOf(tag) > -1) && config.isUnknownElement(tag)) {
+ warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.', vnode.context);
+ }
+ }
+ vnode.elm = vnode.ns ? nodeOps.createElementNS(vnode.ns, tag) : nodeOps.createElement(tag, vnode);
+ setScope(vnode);
+
+ /* istanbul ignore if */
+ {
+ createChildren(vnode, children, insertedVnodeQueue);
+ if (isDef(data)) {
+ invokeCreateHooks(vnode, insertedVnodeQueue);
+ }
+ insert(parentElm, vnode.elm, refElm);
+ }
+
+ if (process.env.NODE_ENV !== 'production' && data && data.pre) {
+ inPre--;
+ }
+ } 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 */, parentElm, refElm);
+ }
+ // 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);
+ 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$$1)) {
+ if (ref$$1.parentNode === parent) {
+ nodeOps.insertBefore(parent, elm, ref$$1);
+ }
+ } else {
+ nodeOps.appendChild(parent, elm);
+ }
+ }
+ }
+
+ function createChildren(vnode, children, insertedVnodeQueue) {
+ if (Array.isArray(children)) {
+ for (var i = 0; i < children.length; ++i) {
+ createElm(children[i], insertedVnodeQueue, vnode.elm, null, true);
+ }
+ } else if (isPrimitive(vnode.text)) {
+ nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(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$1](emptyNode, vnode);
+ }
+ i = vnode.data.hook; // Reuse variable
+ if (isDef(i)) {
+ if (isDef(i.create)) {
+ i.create(emptyNode, vnode);
+ }
+ if (isDef(i.insert)) {
+ insertedVnodeQueue.push(vnode);
+ }
+ }
+ }
+
+ // set scope id attribute for scoped CSS.
+ // this is implemented as a special case to avoid the overhead
+ // of going through the normal attribute patching process.
+ function setScope(vnode) {
+ var i;
+ var ancestor = vnode;
+ while (ancestor) {
+ if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
+ nodeOps.setAttribute(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 && isDef(i = i.$options._scopeId)) {
+ nodeOps.setAttribute(vnode.elm, i, '');
+ }
+ }
+
+ function addVnodes(parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
+ for (; startIdx <= endIdx; ++startIdx) {
+ createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm);
+ }
+ }
+
+ 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, elmToMove, refElm;
+
+ // removeOnly is a special flag used only by <transition-group>
+ // to ensure removed elements stay in correct relative positions
+ // during leaving transitions
+ var canMove = !removeOnly;
+
+ while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
+ if (isUndef(oldStartVnode)) {
+ oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
+ } else if (isUndef(oldEndVnode)) {
+ oldEndVnode = oldCh[--oldEndIdx];
+ } else if (sameVnode(oldStartVnode, newStartVnode)) {
+ patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue);
+ oldStartVnode = oldCh[++oldStartIdx];
+ newStartVnode = newCh[++newStartIdx];
+ } else if (sameVnode(oldEndVnode, newEndVnode)) {
+ patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
+ oldEndVnode = oldCh[--oldEndIdx];
+ newEndVnode = newCh[--newEndIdx];
+ } else if (sameVnode(oldStartVnode, newEndVnode)) {
+ // Vnode moved right
+ patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
+ canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
+ oldStartVnode = oldCh[++oldStartIdx];
+ newEndVnode = newCh[--newEndIdx];
+ } else if (sameVnode(oldEndVnode, newStartVnode)) {
+ // Vnode moved left
+ patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue);
+ canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
+ oldEndVnode = oldCh[--oldEndIdx];
+ newStartVnode = newCh[++newStartIdx];
+ } else {
+ if (isUndef(oldKeyToIdx)) {
+ oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
+ }
+ idxInOld = isDef(newStartVnode.key) ? oldKeyToIdx[newStartVnode.key] : null;
+ if (isUndef(idxInOld)) {
+ // New element
+ createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
+ newStartVnode = newCh[++newStartIdx];
+ } else {
+ elmToMove = oldCh[idxInOld];
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && !elmToMove) {
+ warn('It seems there are duplicate keys that is causing an update error. ' + 'Make sure each v-for item has a unique key.');
+ }
+ if (sameVnode(elmToMove, newStartVnode)) {
+ patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
+ oldCh[idxInOld] = undefined;
+ canMove && nodeOps.insertBefore(parentElm, elmToMove.elm, oldStartVnode.elm);
+ newStartVnode = newCh[++newStartIdx];
+ } else {
+ // same key but different element. treat as new element
+ createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm);
+ 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 patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly) {
+ if (oldVnode === vnode) {
+ return;
+ }
+
+ 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)) {
+ 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 bailed = 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
+ var isRenderedModule = makeMap('attrs,style,class,staticClass,staticStyle,key');
+
+ // Note: this is a browser-only function so we can assume elms are DOM nodes.
+ function hydrate(elm, vnode, insertedVnodeQueue) {
+ if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
+ vnode.elm = elm;
+ vnode.isAsyncPlaceholder = true;
+ return true;
+ }
+ if (process.env.NODE_ENV !== 'production') {
+ if (!assertNodeMatch(elm, vnode)) {
+ return false;
+ }
+ }
+ vnode.elm = elm;
+ var tag = vnode.tag;
+ var data = vnode.data;
+ var children = vnode.children;
+ if (isDef(data)) {
+ if (isDef(i = data.hook) && isDef(i = i.init)) {
+ i(vnode, true /* hydrating */);
+ }
+ if (isDef(i = vnode.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 {
+ 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)) {
+ 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) {
+ if (process.env.NODE_ENV !== 'production' && typeof console !== 'undefined' && !bailed) {
+ bailed = true;
+ console.warn('Parent: ', elm);
+ console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
+ }
+ return false;
+ }
+ }
+ }
+ if (isDef(data)) {
+ for (var key in data) {
+ if (!isRenderedModule(key)) {
+ invokeCreateHooks(vnode, insertedVnodeQueue);
+ break;
+ }
+ }
+ }
+ } else if (elm.data !== vnode.text) {
+ elm.data = vnode.text;
+ }
+ return true;
+ }
+
+ function assertNodeMatch(node, vnode) {
+ if (isDef(vnode.tag)) {
+ return vnode.tag.indexOf('vue-component') === 0 || vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase());
+ } else {
+ return node.nodeType === (vnode.isComment ? 8 : 3);
+ }
+ }
+
+ return function patch(oldVnode, vnode, hydrating, removeOnly, parentElm, refElm) {
+ 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, parentElm, refElm);
+ } else {
+ var isRealElement = isDef(oldVnode.nodeType);
+ if (!isRealElement && sameVnode(oldVnode, vnode)) {
+ // patch existing root node
+ patchVnode(oldVnode, vnode, insertedVnodeQueue, 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 if (process.env.NODE_ENV !== 'production') {
+ warn('The client-side rendered virtual DOM tree is not matching ' + 'server-rendered content. This is likely caused by incorrect ' + 'HTML markup, for example nesting block-level elements inside ' + '<p>, or missing <tbody>. Bailing hydration and performing ' + 'full client-side render.');
+ }
+ }
+ // either not server-rendered, or hydration failed.
+ // create an empty node and replace it
+ oldVnode = emptyNodeAt(oldVnode);
+ }
+ // replacing existing element
+ var oldElm = oldVnode.elm;
+ var parentElm$1 = nodeOps.parentNode(oldElm);
+ 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$1, nodeOps.nextSibling(oldElm));
+
+ if (isDef(vnode.parent)) {
+ // component root element replaced.
+ // update parent placeholder node element, recursively
+ var ancestor = vnode.parent;
+ while (ancestor) {
+ ancestor.elm = vnode.elm;
+ ancestor = ancestor.parent;
+ }
+ if (isPatchable(vnode)) {
+ for (var i = 0; i < cbs.create.length; ++i) {
+ cbs.create[i](emptyNode, vnode.parent);
+ }
+ }
+ }
+
+ if (isDef(parentElm$1)) {
+ removeVnodes(parentElm$1, [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;
+ 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.data.hook || (vnode.data.hook = {}), 'insert', callInsert);
+ } else {
+ callInsert();
+ }
+ }
+
+ if (dirsWithPostpatch.length) {
+ mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), '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$1(dirs, vm) {
+ var res = Object.create(null);
+ if (!dirs) {
+ return res;
+ }
+ var i, dir;
+ for (i = 0; i < dirs.length; i++) {
+ dir = dirs[i];
+ if (!dir.modifiers) {
+ dir.modifiers = emptyModifiers;
+ }
+ res[getRawDirName(dir)] = dir;
+ dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
+ }
+ return res;
+}
+
+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]
+ /* istanbul ignore if */
+ if (isIE9 && 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 (isBooleanAttr(key)) {
+ // set attribute for blank value
+ // e.g. <option disabled>Select one</option>
+ if (isFalsyAttrValue(value)) {
+ el.removeAttribute(key);
+ } else {
+ el.setAttribute(key, key);
+ }
+ } else if (isEnumeratedAttr(key)) {
+ el.setAttribute(key, isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true');
+ } else if (isXlink(key)) {
+ if (isFalsyAttrValue(value)) {
+ el.removeAttributeNS(xlinkNS, getXlinkProp(key));
+ } else {
+ el.setAttributeNS(xlinkNS, key, value);
+ }
+ } else {
+ if (isFalsyAttrValue(value)) {
+ el.removeAttribute(key);
+ } else {
+ el.setAttribute(key, value);
+ }
+ }
+}
+
+var attrs = {
+ create: updateAttrs,
+ update: updateAttrs
+};
+
+/* */
+
+function updateClass(oldVnode, vnode) {
+ var el = vnode.elm;
+ var data = vnode.data;
+ var oldData = oldVnode.data;
+ if (isUndef(data.staticClass) && isUndef(data.class) && (isUndef(oldData) || isUndef(oldData.staticClass) && isUndef(oldData.class))) {
+ return;
+ }
+
+ var cls = genClassForVnode(vnode);
+
+ // handle transition classes
+ var transitionClass = el._transitionClasses;
+ if (isDef(transitionClass)) {
+ cls = concat(cls, stringifyClass(transitionClass));
+ }
+
+ // set the class
+ if (cls !== el._prevClass) {
+ el.setAttribute('class', cls);
+ el._prevClass = cls;
+ }
+}
+
+var klass = {
+ create: updateClass,
+ update: updateClass
+};
+
+/* */
+
+var validDivisionCharRE = /[\w).+\-_$\]]/;
+
+function parseFilters(exp) {
+ var inSingle = false;
+ var inDouble = false;
+ var inTemplateString = false;
+ var inRegex = false;
+ var curly = 0;
+ var square = 0;
+ var paren = 0;
+ var lastFilterIndex = 0;
+ var c, prev, i, expression, filters;
+
+ for (i = 0; i < exp.length; i++) {
+ prev = c;
+ c = exp.charCodeAt(i);
+ if (inSingle) {
+ if (c === 0x27 && prev !== 0x5C) {
+ inSingle = false;
+ }
+ } else if (inDouble) {
+ if (c === 0x22 && prev !== 0x5C) {
+ inDouble = false;
+ }
+ } else if (inTemplateString) {
+ if (c === 0x60 && prev !== 0x5C) {
+ inTemplateString = false;
+ }
+ } else if (inRegex) {
+ if (c === 0x2f && prev !== 0x5C) {
+ inRegex = false;
+ }
+ } else if (c === 0x7C && // pipe
+ exp.charCodeAt(i + 1) !== 0x7C && exp.charCodeAt(i - 1) !== 0x7C && !curly && !square && !paren) {
+ if (expression === undefined) {
+ // first filter, end of expression
+ lastFilterIndex = i + 1;
+ expression = exp.slice(0, i).trim();
+ } else {
+ pushFilter();
+ }
+ } else {
+ switch (c) {
+ case 0x22:
+ inDouble = true;break; // "
+ case 0x27:
+ inSingle = true;break; // '
+ case 0x60:
+ inTemplateString = true;break; // `
+ case 0x28:
+ paren++;break; // (
+ case 0x29:
+ paren--;break; // )
+ case 0x5B:
+ square++;break; // [
+ case 0x5D:
+ square--;break; // ]
+ case 0x7B:
+ curly++;break; // {
+ case 0x7D:
+ curly--;break; // }
+ }
+ if (c === 0x2f) {
+ // /
+ var j = i - 1;
+ var p = void 0;
+ // find first non-whitespace prev char
+ for (; j >= 0; j--) {
+ p = exp.charAt(j);
+ if (p !== ' ') {
+ break;
+ }
+ }
+ if (!p || !validDivisionCharRE.test(p)) {
+ inRegex = true;
+ }
+ }
+ }
+ }
+
+ if (expression === undefined) {
+ expression = exp.slice(0, i).trim();
+ } else if (lastFilterIndex !== 0) {
+ pushFilter();
+ }
+
+ function pushFilter() {
+ (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
+ lastFilterIndex = i + 1;
+ }
+
+ if (filters) {
+ for (i = 0; i < filters.length; i++) {
+ expression = wrapFilter(expression, filters[i]);
+ }
+ }
+
+ return expression;
+}
+
+function wrapFilter(exp, filter) {
+ var i = filter.indexOf('(');
+ if (i < 0) {
+ // _f: resolveFilter
+ return "_f(\"" + filter + "\")(" + exp + ")";
+ } else {
+ var name = filter.slice(0, i);
+ var args = filter.slice(i + 1);
+ return "_f(\"" + name + "\")(" + exp + "," + args;
+ }
+}
+
+/* */
+
+function baseWarn(msg) {
+ console.error("[Vue compiler]: " + msg);
+}
+
+function pluckModuleFunction(modules, key) {
+ return modules ? modules.map(function (m) {
+ return m[key];
+ }).filter(function (_) {
+ return _;
+ }) : [];
+}
+
+function addProp(el, name, value) {
+ (el.props || (el.props = [])).push({ name: name, value: value });
+}
+
+function addAttr(el, name, value) {
+ (el.attrs || (el.attrs = [])).push({ name: name, value: value });
+}
+
+function addDirective(el, name, rawName, value, arg, modifiers) {
+ (el.directives || (el.directives = [])).push({ name: name, rawName: rawName, value: value, arg: arg, modifiers: modifiers });
+}
+
+function addHandler(el, name, value, modifiers, important, warn) {
+ // warn prevent and passive modifier
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && warn && modifiers && modifiers.prevent && modifiers.passive) {
+ warn('passive and prevent can\'t be used together. ' + 'Passive handler can\'t prevent default event.');
+ }
+ // check capture modifier
+ if (modifiers && modifiers.capture) {
+ delete modifiers.capture;
+ name = '!' + name; // mark the event as captured
+ }
+ if (modifiers && modifiers.once) {
+ delete modifiers.once;
+ name = '~' + name; // mark the event as once
+ }
+ /* istanbul ignore if */
+ if (modifiers && modifiers.passive) {
+ delete modifiers.passive;
+ name = '&' + name; // mark the event as passive
+ }
+ var events;
+ if (modifiers && modifiers.native) {
+ delete modifiers.native;
+ events = el.nativeEvents || (el.nativeEvents = {});
+ } else {
+ events = el.events || (el.events = {});
+ }
+ var newHandler = { value: value, modifiers: modifiers };
+ var handlers = events[name];
+ /* istanbul ignore if */
+ if (Array.isArray(handlers)) {
+ important ? handlers.unshift(newHandler) : handlers.push(newHandler);
+ } else if (handlers) {
+ events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
+ } else {
+ events[name] = newHandler;
+ }
+}
+
+function getBindingAttr(el, name, getStatic) {
+ var dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name);
+ if (dynamicValue != null) {
+ return parseFilters(dynamicValue);
+ } else if (getStatic !== false) {
+ var staticValue = getAndRemoveAttr(el, name);
+ if (staticValue != null) {
+ return JSON.stringify(staticValue);
+ }
+ }
+}
+
+function getAndRemoveAttr(el, name) {
+ var val;
+ if ((val = el.attrsMap[name]) != null) {
+ var list = el.attrsList;
+ for (var i = 0, l = list.length; i < l; i++) {
+ if (list[i].name === name) {
+ list.splice(i, 1);
+ break;
+ }
+ }
+ }
+ return val;
+}
+
+/* */
+
+/**
+ * Cross-platform code generation for component v-model
+ */
+function genComponentModel(el, value, modifiers) {
+ var ref = modifiers || {};
+ var number = ref.number;
+ var trim = ref.trim;
+
+ var baseValueExpression = '$$v';
+ var valueExpression = baseValueExpression;
+ if (trim) {
+ valueExpression = "(typeof " + baseValueExpression + " === 'string'" + "? " + baseValueExpression + ".trim()" + ": " + baseValueExpression + ")";
+ }
+ if (number) {
+ valueExpression = "_n(" + valueExpression + ")";
+ }
+ var assignment = genAssignmentCode(value, valueExpression);
+
+ el.model = {
+ value: "(" + value + ")",
+ expression: "\"" + value + "\"",
+ callback: "function (" + baseValueExpression + ") {" + assignment + "}"
+ };
+}
+
+/**
+ * Cross-platform codegen helper for generating v-model value assignment code.
+ */
+function genAssignmentCode(value, assignment) {
+ var modelRs = parseModel(value);
+ if (modelRs.idx === null) {
+ return value + "=" + assignment;
+ } else {
+ return "$set(" + modelRs.exp + ", " + modelRs.idx + ", " + assignment + ")";
+ }
+}
+
+/**
+ * parse directive model to do the array update transform. a[idx] = val => $$a.splice($$idx, 1, val)
+ *
+ * for loop possible cases:
+ *
+ * - test
+ * - test[idx]
+ * - test[test1[idx]]
+ * - test["a"][idx]
+ * - xxx.test[a[a].test1[idx]]
+ * - test.xxx.a["asa"][test1[idx]]
+ *
+ */
+
+var len;
+var str;
+var chr;
+var index$1;
+var expressionPos;
+var expressionEndPos;
+
+function parseModel(val) {
+ str = val;
+ len = str.length;
+ index$1 = expressionPos = expressionEndPos = 0;
+
+ if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
+ return {
+ exp: val,
+ idx: null
+ };
+ }
+
+ while (!eof()) {
+ chr = next();
+ /* istanbul ignore if */
+ if (isStringStart(chr)) {
+ parseString(chr);
+ } else if (chr === 0x5B) {
+ parseBracket(chr);
+ }
+ }
+
+ return {
+ exp: val.substring(0, expressionPos),
+ idx: val.substring(expressionPos + 1, expressionEndPos)
+ };
+}
+
+function next() {
+ return str.charCodeAt(++index$1);
+}
+
+function eof() {
+ return index$1 >= len;
+}
+
+function isStringStart(chr) {
+ return chr === 0x22 || chr === 0x27;
+}
+
+function parseBracket(chr) {
+ var inBracket = 1;
+ expressionPos = index$1;
+ while (!eof()) {
+ chr = next();
+ if (isStringStart(chr)) {
+ parseString(chr);
+ continue;
+ }
+ if (chr === 0x5B) {
+ inBracket++;
+ }
+ if (chr === 0x5D) {
+ inBracket--;
+ }
+ if (inBracket === 0) {
+ expressionEndPos = index$1;
+ break;
+ }
+ }
+}
+
+function parseString(chr) {
+ var stringQuote = chr;
+ while (!eof()) {
+ chr = next();
+ if (chr === stringQuote) {
+ break;
+ }
+ }
+}
+
+/* */
+
+var warn$1;
+
+// in some cases, the event used has to be determined at runtime
+// so we used some reserved tokens during compile.
+var RANGE_TOKEN = '__r';
+var CHECKBOX_RADIO_TOKEN = '__c';
+
+function model(el, dir, _warn) {
+ warn$1 = _warn;
+ var value = dir.value;
+ var modifiers = dir.modifiers;
+ var tag = el.tag;
+ var type = el.attrsMap.type;
+
+ if (process.env.NODE_ENV !== 'production') {
+ var dynamicType = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
+ if (tag === 'input' && dynamicType) {
+ warn$1("<input :type=\"" + dynamicType + "\" v-model=\"" + value + "\">:\n" + "v-model does not support dynamic input types. Use v-if branches instead.");
+ }
+ // inputs with type="file" are read only and setting the input's
+ // value will throw an error.
+ if (tag === 'input' && type === 'file') {
+ warn$1("<" + el.tag + " v-model=\"" + value + "\" type=\"file\">:\n" + "File inputs are read only. Use a v-on:change listener instead.");
+ }
+ }
+
+ if (el.component) {
+ genComponentModel(el, value, modifiers);
+ // component v-model doesn't need extra runtime
+ return false;
+ } else if (tag === 'select') {
+ genSelect(el, value, modifiers);
+ } else if (tag === 'input' && type === 'checkbox') {
+ genCheckboxModel(el, value, modifiers);
+ } else if (tag === 'input' && type === 'radio') {
+ genRadioModel(el, value, modifiers);
+ } else if (tag === 'input' || tag === 'textarea') {
+ genDefaultModel(el, value, modifiers);
+ } else if (!config.isReservedTag(tag)) {
+ genComponentModel(el, value, modifiers);
+ // component v-model doesn't need extra runtime
+ return false;
+ } else if (process.env.NODE_ENV !== 'production') {
+ warn$1("<" + el.tag + " v-model=\"" + value + "\">: " + "v-model is not supported on this element type. " + 'If you are working with contenteditable, it\'s recommended to ' + 'wrap a library dedicated for that purpose inside a custom component.');
+ }
+
+ // ensure runtime directive metadata
+ return true;
+}
+
+function genCheckboxModel(el, value, modifiers) {
+ var number = modifiers && modifiers.number;
+ var valueBinding = getBindingAttr(el, 'value') || 'null';
+ var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
+ var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
+ addProp(el, 'checked', "Array.isArray(" + value + ")" + "?_i(" + value + "," + valueBinding + ")>-1" + (trueValueBinding === 'true' ? ":(" + value + ")" : ":_q(" + value + "," + trueValueBinding + ")"));
+ addHandler(el, CHECKBOX_RADIO_TOKEN, "var $$a=" + value + "," + '$$el=$event.target,' + "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" + 'if(Array.isArray($$a)){' + "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," + '$$i=_i($$a,$$v);' + "if($$el.checked){$$i<0&&(" + value + "=$$a.concat($$v))}" + "else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" + "}else{" + genAssignmentCode(value, '$$c') + "}", null, true);
+}
+
+function genRadioModel(el, value, modifiers) {
+ var number = modifiers && modifiers.number;
+ var valueBinding = getBindingAttr(el, 'value') || 'null';
+ valueBinding = number ? "_n(" + valueBinding + ")" : valueBinding;
+ addProp(el, 'checked', "_q(" + value + "," + valueBinding + ")");
+ addHandler(el, CHECKBOX_RADIO_TOKEN, genAssignmentCode(value, valueBinding), null, true);
+}
+
+function genSelect(el, value, modifiers) {
+ var number = modifiers && modifiers.number;
+ var selectedVal = "Array.prototype.filter" + ".call($event.target.options,function(o){return o.selected})" + ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" + "return " + (number ? '_n(val)' : 'val') + "})";
+
+ var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
+ var code = "var $$selectedVal = " + selectedVal + ";";
+ code = code + " " + genAssignmentCode(value, assignment);
+ addHandler(el, 'change', code, null, true);
+}
+
+function genDefaultModel(el, value, modifiers) {
+ var type = el.attrsMap.type;
+ var ref = modifiers || {};
+ var lazy = ref.lazy;
+ var number = ref.number;
+ var trim = ref.trim;
+ var needCompositionGuard = !lazy && type !== 'range';
+ var event = lazy ? 'change' : type === 'range' ? RANGE_TOKEN : 'input';
+
+ var valueExpression = '$event.target.value';
+ if (trim) {
+ valueExpression = "$event.target.value.trim()";
+ }
+ if (number) {
+ valueExpression = "_n(" + valueExpression + ")";
+ }
+
+ var code = genAssignmentCode(value, valueExpression);
+ if (needCompositionGuard) {
+ code = "if($event.target.composing)return;" + code;
+ }
+
+ addProp(el, 'value', "(" + value + ")");
+ addHandler(el, event, code, null, true);
+ if (trim || number) {
+ addHandler(el, 'blur', '$forceUpdate()');
+ }
+}
+
+/* */
+
+// normalize v-model event tokens that can only be determined at runtime.
+// it's important to place the event as the first in the array because
+// the whole point is ensuring the v-model callback gets called before
+// user-attached handlers.
+function normalizeEvents(on) {
+ var event;
+ /* istanbul ignore if */
+ if (isDef(on[RANGE_TOKEN])) {
+ // IE input[type=range] only supports `change` event
+ event = isIE ? 'change' : 'input';
+ on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
+ delete on[RANGE_TOKEN];
+ }
+ if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
+ // Chrome fires microtasks in between click/change, leads to #4521
+ event = isChrome ? 'click' : 'change';
+ on[event] = [].concat(on[CHECKBOX_RADIO_TOKEN], on[event] || []);
+ delete on[CHECKBOX_RADIO_TOKEN];
+ }
+}
+
+var target$1;
+
+function add$1(event, handler, once$$1, capture, passive) {
+ if (once$$1) {
+ var oldHandler = handler;
+ var _target = target$1; // save current target element in closure
+ handler = function (ev) {
+ var res = arguments.length === 1 ? oldHandler(ev) : oldHandler.apply(null, arguments);
+ if (res !== null) {
+ remove$2(event, handler, capture, _target);
+ }
+ };
+ }
+ target$1.addEventListener(event, handler, supportsPassive ? { capture: capture, passive: passive } : capture);
+}
+
+function remove$2(event, handler, capture, _target) {
+ (_target || target$1).removeEventListener(event, handler, capture);
+}
+
+function updateDOMListeners(oldVnode, vnode) {
+ if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
+ return;
+ }
+ var on = vnode.data.on || {};
+ var oldOn = oldVnode.data.on || {};
+ target$1 = vnode.elm;
+ normalizeEvents(on);
+ updateListeners(on, oldOn, add$1, remove$2, vnode.context);
+}
+
+var events = {
+ create: updateDOMListeners,
+ update: updateDOMListeners
+};
+
+/* */
+
+function updateDOMProps(oldVnode, vnode) {
+ if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
+ return;
+ }
+ var key, cur;
+ var elm = vnode.elm;
+ var oldProps = oldVnode.data.domProps || {};
+ var props = vnode.data.domProps || {};
+ // clone observed objects, as the user probably wants to mutate it
+ if (isDef(props.__ob__)) {
+ props = vnode.data.domProps = extend({}, props);
+ }
+
+ for (key in oldProps) {
+ if (isUndef(props[key])) {
+ elm[key] = '';
+ }
+ }
+ for (key in props) {
+ cur = props[key];
+ // ignore children if the node has textContent or innerHTML,
+ // as these will throw away existing DOM nodes and cause removal errors
+ // on subsequent patches (#3360)
+ if (key === 'textContent' || key === 'innerHTML') {
+ if (vnode.children) {
+ vnode.children.length = 0;
+ }
+ if (cur === oldProps[key]) {
+ continue;
+ }
+ }
+
+ if (key === 'value') {
+ // store value as _value as well since
+ // non-string values will be stringified
+ elm._value = cur;
+ // avoid resetting cursor position when value is the same
+ var strCur = isUndef(cur) ? '' : String(cur);
+ if (shouldUpdateValue(elm, vnode, strCur)) {
+ elm.value = strCur;
+ }
+ } else {
+ elm[key] = cur;
+ }
+ }
+}
+
+// check platforms/web/util/attrs.js acceptValue
+
+
+function shouldUpdateValue(elm, vnode, checkVal) {
+ return !elm.composing && (vnode.tag === 'option' || isDirty(elm, checkVal) || isInputChanged(elm, checkVal));
+}
+
+function isDirty(elm, checkVal) {
+ // return true when textbox (.number and .trim) loses focus and its value is
+ // not equal to the updated value
+ var notInFocus = true;
+ // #6157
+ // work around IE bug when accessing document.activeElement in an iframe
+ try {
+ notInFocus = document.activeElement !== elm;
+ } catch (e) {}
+ return notInFocus && elm.value !== checkVal;
+}
+
+function isInputChanged(elm, newVal) {
+ var value = elm.value;
+ var modifiers = elm._vModifiers; // injected by v-model runtime
+ if (isDef(modifiers) && modifiers.number) {
+ return toNumber(value) !== toNumber(newVal);
+ }
+ if (isDef(modifiers) && modifiers.trim) {
+ return value.trim() !== newVal.trim();
+ }
+ return value !== newVal;
+}
+
+var domProps = {
+ create: updateDOMProps,
+ update: updateDOMProps
+};
+
+/* */
+
+var parseStyleText = cached(function (cssText) {
+ var res = {};
+ var listDelimiter = /;(?![^(]*\))/g;
+ var propertyDelimiter = /:(.+)/;
+ cssText.split(listDelimiter).forEach(function (item) {
+ if (item) {
+ var tmp = item.split(propertyDelimiter);
+ tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
+ }
+ });
+ return res;
+});
+
+// merge static and dynamic style data on the same vnode
+function normalizeStyleData(data) {
+ var style = normalizeStyleBinding(data.style);
+ // static style is pre-processed into an object during compilation
+ // and is always a fresh object, so it's safe to merge into it
+ return data.staticStyle ? extend(data.staticStyle, style) : style;
+}
+
+// normalize possible array / string values into Object
+function normalizeStyleBinding(bindingStyle) {
+ if (Array.isArray(bindingStyle)) {
+ return toObject(bindingStyle);
+ }
+ if (typeof bindingStyle === 'string') {
+ return parseStyleText(bindingStyle);
+ }
+ return bindingStyle;
+}
+
+/**
+ * parent component style should be after child's
+ * so that parent component's style could override it
+ */
+function getStyle(vnode, checkChild) {
+ var res = {};
+ var styleData;
+
+ if (checkChild) {
+ var childNode = vnode;
+ while (childNode.componentInstance) {
+ childNode = childNode.componentInstance._vnode;
+ if (childNode.data && (styleData = normalizeStyleData(childNode.data))) {
+ extend(res, styleData);
+ }
+ }
+ }
+
+ if (styleData = normalizeStyleData(vnode.data)) {
+ extend(res, styleData);
+ }
+
+ var parentNode = vnode;
+ while (parentNode = parentNode.parent) {
+ if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
+ extend(res, styleData);
+ }
+ }
+ return res;
+}
+
+/* */
+
+var cssVarRE = /^--/;
+var importantRE = /\s*!important$/;
+var setProp = function (el, name, val) {
+ /* istanbul ignore if */
+ if (cssVarRE.test(name)) {
+ el.style.setProperty(name, val);
+ } else if (importantRE.test(val)) {
+ el.style.setProperty(name, val.replace(importantRE, ''), 'important');
+ } else {
+ var normalizedName = normalize(name);
+ if (Array.isArray(val)) {
+ // Support values array created by autoprefixer, e.g.
+ // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
+ // Set them one by one, and the browser will only set those it can recognize
+ for (var i = 0, len = val.length; i < len; i++) {
+ el.style[normalizedName] = val[i];
+ }
+ } else {
+ el.style[normalizedName] = val;
+ }
+ }
+};
+
+var vendorNames = ['Webkit', 'Moz', 'ms'];
+
+var emptyStyle;
+var normalize = cached(function (prop) {
+ emptyStyle = emptyStyle || document.createElement('div').style;
+ prop = camelize(prop);
+ if (prop !== 'filter' && prop in emptyStyle) {
+ return prop;
+ }
+ var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
+ for (var i = 0; i < vendorNames.length; i++) {
+ var name = vendorNames[i] + capName;
+ if (name in emptyStyle) {
+ return name;
+ }
+ }
+});
+
+function updateStyle(oldVnode, vnode) {
+ var data = vnode.data;
+ var oldData = oldVnode.data;
+
+ if (isUndef(data.staticStyle) && isUndef(data.style) && isUndef(oldData.staticStyle) && isUndef(oldData.style)) {
+ return;
+ }
+
+ var cur, name;
+ var el = vnode.elm;
+ var oldStaticStyle = oldData.staticStyle;
+ var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
+
+ // if static style exists, stylebinding already merged into it when doing normalizeStyleData
+ var oldStyle = oldStaticStyle || oldStyleBinding;
+
+ var style = normalizeStyleBinding(vnode.data.style) || {};
+
+ // store normalized style under a different key for next diff
+ // make sure to clone it if it's reactive, since the user likley wants
+ // to mutate it.
+ vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style;
+
+ var newStyle = getStyle(vnode, true);
+
+ for (name in oldStyle) {
+ if (isUndef(newStyle[name])) {
+ setProp(el, name, '');
+ }
+ }
+ for (name in newStyle) {
+ cur = newStyle[name];
+ if (cur !== oldStyle[name]) {
+ // ie9 setting to null has no effect, must use empty string
+ setProp(el, name, cur == null ? '' : cur);
+ }
+ }
+}
+
+var style = {
+ create: updateStyle,
+ update: updateStyle
+};
+
+/* */
+
+/**
+ * Add class with compatibility for SVG since classList is not supported on
+ * SVG elements in IE
+ */
+function addClass(el, cls) {
+ /* istanbul ignore if */
+ if (!cls || !(cls = cls.trim())) {
+ return;
+ }
+
+ /* istanbul ignore else */
+ if (el.classList) {
+ if (cls.indexOf(' ') > -1) {
+ cls.split(/\s+/).forEach(function (c) {
+ return el.classList.add(c);
+ });
+ } else {
+ el.classList.add(cls);
+ }
+ } else {
+ var cur = " " + (el.getAttribute('class') || '') + " ";
+ if (cur.indexOf(' ' + cls + ' ') < 0) {
+ el.setAttribute('class', (cur + cls).trim());
+ }
+ }
+}
+
+/**
+ * Remove class with compatibility for SVG since classList is not supported on
+ * SVG elements in IE
+ */
+function removeClass(el, cls) {
+ /* istanbul ignore if */
+ if (!cls || !(cls = cls.trim())) {
+ return;
+ }
+
+ /* istanbul ignore else */
+ if (el.classList) {
+ if (cls.indexOf(' ') > -1) {
+ cls.split(/\s+/).forEach(function (c) {
+ return el.classList.remove(c);
+ });
+ } else {
+ el.classList.remove(cls);
+ }
+ if (!el.classList.length) {
+ el.removeAttribute('class');
+ }
+ } else {
+ var cur = " " + (el.getAttribute('class') || '') + " ";
+ var tar = ' ' + cls + ' ';
+ while (cur.indexOf(tar) >= 0) {
+ cur = cur.replace(tar, ' ');
+ }
+ cur = cur.trim();
+ if (cur) {
+ el.setAttribute('class', cur);
+ } else {
+ el.removeAttribute('class');
+ }
+ }
+}
+
+/* */
+
+function resolveTransition(def$$1) {
+ if (!def$$1) {
+ return;
+ }
+ /* istanbul ignore else */
+ if (typeof def$$1 === 'object') {
+ var res = {};
+ if (def$$1.css !== false) {
+ extend(res, autoCssTransition(def$$1.name || 'v'));
+ }
+ extend(res, def$$1);
+ return res;
+ } else if (typeof def$$1 === 'string') {
+ return autoCssTransition(def$$1);
+ }
+}
+
+var autoCssTransition = cached(function (name) {
+ return {
+ enterClass: name + "-enter",
+ enterToClass: name + "-enter-to",
+ enterActiveClass: name + "-enter-active",
+ leaveClass: name + "-leave",
+ leaveToClass: name + "-leave-to",
+ leaveActiveClass: name + "-leave-active"
+ };
+});
+
+var hasTransition = inBrowser && !isIE9;
+var TRANSITION = 'transition';
+var ANIMATION = 'animation';
+
+// Transition property/event sniffing
+var transitionProp = 'transition';
+var transitionEndEvent = 'transitionend';
+var animationProp = 'animation';
+var animationEndEvent = 'animationend';
+if (hasTransition) {
+ /* istanbul ignore if */
+ if (window.ontransitionend === undefined && window.onwebkittransitionend !== undefined) {
+ transitionProp = 'WebkitTransition';
+ transitionEndEvent = 'webkitTransitionEnd';
+ }
+ if (window.onanimationend === undefined && window.onwebkitanimationend !== undefined) {
+ animationProp = 'WebkitAnimation';
+ animationEndEvent = 'webkitAnimationEnd';
+ }
+}
+
+// binding to window is necessary to make hot reload work in IE in strict mode
+var raf = inBrowser && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : setTimeout;
+
+function nextFrame(fn) {
+ raf(function () {
+ raf(fn);
+ });
+}
+
+function addTransitionClass(el, cls) {
+ var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
+ if (transitionClasses.indexOf(cls) < 0) {
+ transitionClasses.push(cls);
+ addClass(el, cls);
+ }
+}
+
+function removeTransitionClass(el, cls) {
+ if (el._transitionClasses) {
+ remove(el._transitionClasses, cls);
+ }
+ removeClass(el, cls);
+}
+
+function whenTransitionEnds(el, expectedType, cb) {
+ var ref = getTransitionInfo(el, expectedType);
+ var type = ref.type;
+ var timeout = ref.timeout;
+ var propCount = ref.propCount;
+ if (!type) {
+ return cb();
+ }
+ var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
+ var ended = 0;
+ var end = function () {
+ el.removeEventListener(event, onEnd);
+ cb();
+ };
+ var onEnd = function (e) {
+ if (e.target === el) {
+ if (++ended >= propCount) {
+ end();
+ }
+ }
+ };
+ setTimeout(function () {
+ if (ended < propCount) {
+ end();
+ }
+ }, timeout + 1);
+ el.addEventListener(event, onEnd);
+}
+
+var transformRE = /\b(transform|all)(,|$)/;
+
+function getTransitionInfo(el, expectedType) {
+ var styles = window.getComputedStyle(el);
+ var transitionDelays = styles[transitionProp + 'Delay'].split(', ');
+ var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
+ var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
+ var animationDelays = styles[animationProp + 'Delay'].split(', ');
+ var animationDurations = styles[animationProp + 'Duration'].split(', ');
+ var animationTimeout = getTimeout(animationDelays, animationDurations);
+
+ var type;
+ var timeout = 0;
+ var propCount = 0;
+ /* istanbul ignore if */
+ if (expectedType === TRANSITION) {
+ if (transitionTimeout > 0) {
+ type = TRANSITION;
+ timeout = transitionTimeout;
+ propCount = transitionDurations.length;
+ }
+ } else if (expectedType === ANIMATION) {
+ if (animationTimeout > 0) {
+ type = ANIMATION;
+ timeout = animationTimeout;
+ propCount = animationDurations.length;
+ }
+ } else {
+ timeout = Math.max(transitionTimeout, animationTimeout);
+ type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null;
+ propCount = type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0;
+ }
+ var hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']);
+ return {
+ type: type,
+ timeout: timeout,
+ propCount: propCount,
+ hasTransform: hasTransform
+ };
+}
+
+function getTimeout(delays, durations) {
+ /* istanbul ignore next */
+ while (delays.length < durations.length) {
+ delays = delays.concat(delays);
+ }
+
+ return Math.max.apply(null, durations.map(function (d, i) {
+ return toMs(d) + toMs(delays[i]);
+ }));
+}
+
+function toMs(s) {
+ return Number(s.slice(0, -1)) * 1000;
+}
+
+/* */
+
+function enter(vnode, toggleDisplay) {
+ var el = vnode.elm;
+
+ // call leave callback now
+ if (isDef(el._leaveCb)) {
+ el._leaveCb.cancelled = true;
+ el._leaveCb();
+ }
+
+ var data = resolveTransition(vnode.data.transition);
+ if (isUndef(data)) {
+ return;
+ }
+
+ /* istanbul ignore if */
+ if (isDef(el._enterCb) || el.nodeType !== 1) {
+ return;
+ }
+
+ var css = data.css;
+ var type = data.type;
+ var enterClass = data.enterClass;
+ var enterToClass = data.enterToClass;
+ var enterActiveClass = data.enterActiveClass;
+ var appearClass = data.appearClass;
+ var appearToClass = data.appearToClass;
+ var appearActiveClass = data.appearActiveClass;
+ var beforeEnter = data.beforeEnter;
+ var enter = data.enter;
+ var afterEnter = data.afterEnter;
+ var enterCancelled = data.enterCancelled;
+ var beforeAppear = data.beforeAppear;
+ var appear = data.appear;
+ var afterAppear = data.afterAppear;
+ var appearCancelled = data.appearCancelled;
+ var duration = data.duration;
+
+ // activeInstance will always be the <transition> component managing this
+ // transition. One edge case to check is when the <transition> is placed
+ // as the root node of a child component. In that case we need to check
+ // <transition>'s parent for appear check.
+ var context = activeInstance;
+ var transitionNode = activeInstance.$vnode;
+ while (transitionNode && transitionNode.parent) {
+ transitionNode = transitionNode.parent;
+ context = transitionNode.context;
+ }
+
+ var isAppear = !context._isMounted || !vnode.isRootInsert;
+
+ if (isAppear && !appear && appear !== '') {
+ return;
+ }
+
+ var startClass = isAppear && appearClass ? appearClass : enterClass;
+ var activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass;
+ var toClass = isAppear && appearToClass ? appearToClass : enterToClass;
+
+ var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
+ var enterHook = isAppear ? typeof appear === 'function' ? appear : enter : enter;
+ var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
+ var enterCancelledHook = isAppear ? appearCancelled || enterCancelled : enterCancelled;
+
+ var explicitEnterDuration = toNumber(isObject(duration) ? duration.enter : duration);
+
+ if (process.env.NODE_ENV !== 'production' && explicitEnterDuration != null) {
+ checkDuration(explicitEnterDuration, 'enter', vnode);
+ }
+
+ var expectsCSS = css !== false && !isIE9;
+ var userWantsControl = getHookArgumentsLength(enterHook);
+
+ var cb = el._enterCb = once(function () {
+ if (expectsCSS) {
+ removeTransitionClass(el, toClass);
+ removeTransitionClass(el, activeClass);
+ }
+ if (cb.cancelled) {
+ if (expectsCSS) {
+ removeTransitionClass(el, startClass);
+ }
+ enterCancelledHook && enterCancelledHook(el);
+ } else {
+ afterEnterHook && afterEnterHook(el);
+ }
+ el._enterCb = null;
+ });
+
+ if (!vnode.data.show) {
+ // remove pending leave element on enter by injecting an insert hook
+ mergeVNodeHook(vnode.data.hook || (vnode.data.hook = {}), 'insert', function () {
+ var parent = el.parentNode;
+ var pendingNode = parent && parent._pending && parent._pending[vnode.key];
+ if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) {
+ pendingNode.elm._leaveCb();
+ }
+ enterHook && enterHook(el, cb);
+ });
+ }
+
+ // start enter transition
+ beforeEnterHook && beforeEnterHook(el);
+ if (expectsCSS) {
+ addTransitionClass(el, startClass);
+ addTransitionClass(el, activeClass);
+ nextFrame(function () {
+ addTransitionClass(el, toClass);
+ removeTransitionClass(el, startClass);
+ if (!cb.cancelled && !userWantsControl) {
+ if (isValidDuration(explicitEnterDuration)) {
+ setTimeout(cb, explicitEnterDuration);
+ } else {
+ whenTransitionEnds(el, type, cb);
+ }
+ }
+ });
+ }
+
+ if (vnode.data.show) {
+ toggleDisplay && toggleDisplay();
+ enterHook && enterHook(el, cb);
+ }
+
+ if (!expectsCSS && !userWantsControl) {
+ cb();
+ }
+}
+
+function leave(vnode, rm) {
+ var el = vnode.elm;
+
+ // call enter callback now
+ if (isDef(el._enterCb)) {
+ el._enterCb.cancelled = true;
+ el._enterCb();
+ }
+
+ var data = resolveTransition(vnode.data.transition);
+ if (isUndef(data)) {
+ return rm();
+ }
+
+ /* istanbul ignore if */
+ if (isDef(el._leaveCb) || el.nodeType !== 1) {
+ return;
+ }
+
+ var css = data.css;
+ var type = data.type;
+ var leaveClass = data.leaveClass;
+ var leaveToClass = data.leaveToClass;
+ var leaveActiveClass = data.leaveActiveClass;
+ var beforeLeave = data.beforeLeave;
+ var leave = data.leave;
+ var afterLeave = data.afterLeave;
+ var leaveCancelled = data.leaveCancelled;
+ var delayLeave = data.delayLeave;
+ var duration = data.duration;
+
+ var expectsCSS = css !== false && !isIE9;
+ var userWantsControl = getHookArgumentsLength(leave);
+
+ var explicitLeaveDuration = toNumber(isObject(duration) ? duration.leave : duration);
+
+ if (process.env.NODE_ENV !== 'production' && isDef(explicitLeaveDuration)) {
+ checkDuration(explicitLeaveDuration, 'leave', vnode);
+ }
+
+ var cb = el._leaveCb = once(function () {
+ if (el.parentNode && el.parentNode._pending) {
+ el.parentNode._pending[vnode.key] = null;
+ }
+ if (expectsCSS) {
+ removeTransitionClass(el, leaveToClass);
+ removeTransitionClass(el, leaveActiveClass);
+ }
+ if (cb.cancelled) {
+ if (expectsCSS) {
+ removeTransitionClass(el, leaveClass);
+ }
+ leaveCancelled && leaveCancelled(el);
+ } else {
+ rm();
+ afterLeave && afterLeave(el);
+ }
+ el._leaveCb = null;
+ });
+
+ if (delayLeave) {
+ delayLeave(performLeave);
+ } else {
+ performLeave();
+ }
+
+ function performLeave() {
+ // the delayed leave may have already been cancelled
+ if (cb.cancelled) {
+ return;
+ }
+ // record leaving element
+ if (!vnode.data.show) {
+ (el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] = vnode;
+ }
+ beforeLeave && beforeLeave(el);
+ if (expectsCSS) {
+ addTransitionClass(el, leaveClass);
+ addTransitionClass(el, leaveActiveClass);
+ nextFrame(function () {
+ addTransitionClass(el, leaveToClass);
+ removeTransitionClass(el, leaveClass);
+ if (!cb.cancelled && !userWantsControl) {
+ if (isValidDuration(explicitLeaveDuration)) {
+ setTimeout(cb, explicitLeaveDuration);
+ } else {
+ whenTransitionEnds(el, type, cb);
+ }
+ }
+ });
+ }
+ leave && leave(el, cb);
+ if (!expectsCSS && !userWantsControl) {
+ cb();
+ }
+ }
+}
+
+// only used in dev mode
+function checkDuration(val, name, vnode) {
+ if (typeof val !== 'number') {
+ warn("<transition> explicit " + name + " duration is not a valid number - " + "got " + JSON.stringify(val) + ".", vnode.context);
+ } else if (isNaN(val)) {
+ warn("<transition> explicit " + name + " duration is NaN - " + 'the duration expression might be incorrect.', vnode.context);
+ }
+}
+
+function isValidDuration(val) {
+ return typeof val === 'number' && !isNaN(val);
+}
+
+/**
+ * Normalize a transition hook's argument length. The hook may be:
+ * - a merged hook (invoker) with the original in .fns
+ * - a wrapped component method (check ._length)
+ * - a plain function (.length)
+ */
+function getHookArgumentsLength(fn) {
+ if (isUndef(fn)) {
+ return false;
+ }
+ var invokerFns = fn.fns;
+ if (isDef(invokerFns)) {
+ // invoker
+ return getHookArgumentsLength(Array.isArray(invokerFns) ? invokerFns[0] : invokerFns);
+ } else {
+ return (fn._length || fn.length) > 1;
+ }
+}
+
+function _enter(_, vnode) {
+ if (vnode.data.show !== true) {
+ enter(vnode);
+ }
+}
+
+var transition = inBrowser ? {
+ create: _enter,
+ activate: _enter,
+ remove: function remove$$1(vnode, rm) {
+ /* istanbul ignore else */
+ if (vnode.data.show !== true) {
+ leave(vnode, rm);
+ } else {
+ rm();
+ }
+ }
+} : {};
+
+var platformModules = [attrs, klass, events, domProps, style, transition];
+
+/* */
+
+// the directive module should be applied last, after all
+// built-in modules have been applied.
+var modules = platformModules.concat(baseModules);
+
+var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });
+
+/**
+ * Not type checking this file because flow doesn't like attaching
+ * properties to Elements.
+ */
+
+var isTextInputType = makeMap('text,number,password,search,email,tel,url');
+
+/* istanbul ignore if */
+if (isIE9) {
+ // http://www.matts411.com/post/internet-explorer-9-oninput/
+ document.addEventListener('selectionchange', function () {
+ var el = document.activeElement;
+ if (el && el.vmodel) {
+ trigger(el, 'input');
+ }
+ });
+}
+
+var model$1 = {
+ inserted: function inserted(el, binding, vnode) {
+ if (vnode.tag === 'select') {
+ var cb = function () {
+ setSelected(el, binding, vnode.context);
+ };
+ cb();
+ /* istanbul ignore if */
+ if (isIE || isEdge) {
+ setTimeout(cb, 0);
+ }
+ el._vOptions = [].map.call(el.options, getValue);
+ } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
+ el._vModifiers = binding.modifiers;
+ if (!binding.modifiers.lazy) {
+ // Safari < 10.2 & UIWebView doesn't fire compositionend when
+ // switching focus before confirming composition choice
+ // this also fixes the issue where some browsers e.g. iOS Chrome
+ // fires "change" instead of "input" on autocomplete.
+ el.addEventListener('change', onCompositionEnd);
+ if (!isAndroid) {
+ el.addEventListener('compositionstart', onCompositionStart);
+ el.addEventListener('compositionend', onCompositionEnd);
+ }
+ /* istanbul ignore if */
+ if (isIE9) {
+ el.vmodel = true;
+ }
+ }
+ }
+ },
+ componentUpdated: function componentUpdated(el, binding, vnode) {
+ if (vnode.tag === 'select') {
+ setSelected(el, binding, vnode.context);
+ // in case the options rendered by v-for have changed,
+ // it's possible that the value is out-of-sync with the rendered options.
+ // detect such cases and filter out values that no longer has a matching
+ // option in the DOM.
+ var prevOptions = el._vOptions;
+ var curOptions = el._vOptions = [].map.call(el.options, getValue);
+ if (curOptions.some(function (o, i) {
+ return !looseEqual(o, prevOptions[i]);
+ })) {
+ trigger(el, 'change');
+ }
+ }
+ }
+};
+
+function setSelected(el, binding, vm) {
+ var value = binding.value;
+ var isMultiple = el.multiple;
+ if (isMultiple && !Array.isArray(value)) {
+ process.env.NODE_ENV !== 'production' && warn("<select multiple v-model=\"" + binding.expression + "\"> " + "expects an Array value for its binding, but got " + Object.prototype.toString.call(value).slice(8, -1), vm);
+ return;
+ }
+ var selected, option;
+ for (var i = 0, l = el.options.length; i < l; i++) {
+ option = el.options[i];
+ if (isMultiple) {
+ selected = looseIndexOf(value, getValue(option)) > -1;
+ if (option.selected !== selected) {
+ option.selected = selected;
+ }
+ } else {
+ if (looseEqual(getValue(option), value)) {
+ if (el.selectedIndex !== i) {
+ el.selectedIndex = i;
+ }
+ return;
+ }
+ }
+ }
+ if (!isMultiple) {
+ el.selectedIndex = -1;
+ }
+}
+
+function getValue(option) {
+ return '_value' in option ? option._value : option.value;
+}
+
+function onCompositionStart(e) {
+ e.target.composing = true;
+}
+
+function onCompositionEnd(e) {
+ // prevent triggering an input event for no reason
+ if (!e.target.composing) {
+ return;
+ }
+ e.target.composing = false;
+ trigger(e.target, 'input');
+}
+
+function trigger(el, type) {
+ var e = document.createEvent('HTMLEvents');
+ e.initEvent(type, true, true);
+ el.dispatchEvent(e);
+}
+
+/* */
+
+// recursively search for possible transition defined inside the component root
+function locateNode(vnode) {
+ return vnode.componentInstance && (!vnode.data || !vnode.data.transition) ? locateNode(vnode.componentInstance._vnode) : vnode;
+}
+
+var show = {
+ bind: function bind(el, ref, vnode) {
+ var value = ref.value;
+
+ vnode = locateNode(vnode);
+ var transition$$1 = vnode.data && vnode.data.transition;
+ var originalDisplay = el.__vOriginalDisplay = el.style.display === 'none' ? '' : el.style.display;
+ if (value && transition$$1) {
+ vnode.data.show = true;
+ enter(vnode, function () {
+ el.style.display = originalDisplay;
+ });
+ } else {
+ el.style.display = value ? originalDisplay : 'none';
+ }
+ },
+
+ update: function update(el, ref, vnode) {
+ var value = ref.value;
+ var oldValue = ref.oldValue;
+
+ /* istanbul ignore if */
+ if (value === oldValue) {
+ return;
+ }
+ vnode = locateNode(vnode);
+ var transition$$1 = vnode.data && vnode.data.transition;
+ if (transition$$1) {
+ vnode.data.show = true;
+ if (value) {
+ enter(vnode, function () {
+ el.style.display = el.__vOriginalDisplay;
+ });
+ } else {
+ leave(vnode, function () {
+ el.style.display = 'none';
+ });
+ }
+ } else {
+ el.style.display = value ? el.__vOriginalDisplay : 'none';
+ }
+ },
+
+ unbind: function unbind(el, binding, vnode, oldVnode, isDestroy) {
+ if (!isDestroy) {
+ el.style.display = el.__vOriginalDisplay;
+ }
+ }
+};
+
+var platformDirectives = {
+ model: model$1,
+ show: show
+};
+
+/* */
+
+// Provides transition support for a single element/component.
+// supports transition mode (out-in / in-out)
+
+var transitionProps = {
+ name: String,
+ appear: Boolean,
+ css: Boolean,
+ mode: String,
+ type: String,
+ enterClass: String,
+ leaveClass: String,
+ enterToClass: String,
+ leaveToClass: String,
+ enterActiveClass: String,
+ leaveActiveClass: String,
+ appearClass: String,
+ appearActiveClass: String,
+ appearToClass: String,
+ duration: [Number, String, Object]
+};
+
+// in case the child is also an abstract component, e.g. <keep-alive>
+// we want to recursively retrieve the real component to be rendered
+function getRealChild(vnode) {
+ var compOptions = vnode && vnode.componentOptions;
+ if (compOptions && compOptions.Ctor.options.abstract) {
+ return getRealChild(getFirstComponentChild(compOptions.children));
+ } else {
+ return vnode;
+ }
+}
+
+function extractTransitionData(comp) {
+ var data = {};
+ var options = comp.$options;
+ // props
+ for (var key in options.propsData) {
+ data[key] = comp[key];
+ }
+ // events.
+ // extract listeners and pass them directly to the transition methods
+ var listeners = options._parentListeners;
+ for (var key$1 in listeners) {
+ data[camelize(key$1)] = listeners[key$1];
+ }
+ return data;
+}
+
+function placeholder(h, rawChild) {
+ if (/\d-keep-alive$/.test(rawChild.tag)) {
+ return h('keep-alive', {
+ props: rawChild.componentOptions.propsData
+ });
+ }
+}
+
+function hasParentTransition(vnode) {
+ while (vnode = vnode.parent) {
+ if (vnode.data.transition) {
+ return true;
+ }
+ }
+}
+
+function isSameChild(child, oldChild) {
+ return oldChild.key === child.key && oldChild.tag === child.tag;
+}
+
+function isAsyncPlaceholder(node) {
+ return node.isComment && node.asyncFactory;
+}
+
+var Transition = {
+ name: 'transition',
+ props: transitionProps,
+ abstract: true,
+
+ render: function render(h) {
+ var this$1 = this;
+
+ var children = this.$options._renderChildren;
+ if (!children) {
+ return;
+ }
+
+ // filter out text nodes (possible whitespaces)
+ children = children.filter(function (c) {
+ return c.tag || isAsyncPlaceholder(c);
+ });
+ /* istanbul ignore if */
+ if (!children.length) {
+ return;
+ }
+
+ // warn multiple elements
+ if (process.env.NODE_ENV !== 'production' && children.length > 1) {
+ warn('<transition> can only be used on a single element. Use ' + '<transition-group> for lists.', this.$parent);
+ }
+
+ var mode = this.mode;
+
+ // warn invalid mode
+ if (process.env.NODE_ENV !== 'production' && mode && mode !== 'in-out' && mode !== 'out-in') {
+ warn('invalid <transition> mode: ' + mode, this.$parent);
+ }
+
+ var rawChild = children[0];
+
+ // if this is a component root node and the component's
+ // parent container node also has transition, skip.
+ if (hasParentTransition(this.$vnode)) {
+ return rawChild;
+ }
+
+ // apply transition data to child
+ // use getRealChild() to ignore abstract components e.g. keep-alive
+ var child = getRealChild(rawChild);
+ /* istanbul ignore if */
+ if (!child) {
+ return rawChild;
+ }
+
+ if (this._leaving) {
+ return placeholder(h, rawChild);
+ }
+
+ // ensure a key that is unique to the vnode type and to this transition
+ // component instance. This key will be used to remove pending leaving nodes
+ // during entering.
+ var id = "__transition-" + this._uid + "-";
+ child.key = child.key == null ? child.isComment ? id + 'comment' : id + child.tag : isPrimitive(child.key) ? String(child.key).indexOf(id) === 0 ? child.key : id + child.key : child.key;
+
+ var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
+ var oldRawChild = this._vnode;
+ var oldChild = getRealChild(oldRawChild);
+
+ // mark v-show
+ // so that the transition module can hand over the control to the directive
+ if (child.data.directives && child.data.directives.some(function (d) {
+ return d.name === 'show';
+ })) {
+ child.data.show = true;
+ }
+
+ if (oldChild && oldChild.data && !isSameChild(child, oldChild) && !isAsyncPlaceholder(oldChild)) {
+ // replace old child transition data with fresh one
+ // important for dynamic transitions!
+ var oldData = oldChild && (oldChild.data.transition = extend({}, data));
+ // handle transition mode
+ if (mode === 'out-in') {
+ // return placeholder node and queue update when leave finishes
+ this._leaving = true;
+ mergeVNodeHook(oldData, 'afterLeave', function () {
+ this$1._leaving = false;
+ this$1.$forceUpdate();
+ });
+ return placeholder(h, rawChild);
+ } else if (mode === 'in-out') {
+ if (isAsyncPlaceholder(child)) {
+ return oldRawChild;
+ }
+ var delayedLeave;
+ var performLeave = function () {
+ delayedLeave();
+ };
+ mergeVNodeHook(data, 'afterEnter', performLeave);
+ mergeVNodeHook(data, 'enterCancelled', performLeave);
+ mergeVNodeHook(oldData, 'delayLeave', function (leave) {
+ delayedLeave = leave;
+ });
+ }
+ }
+
+ return rawChild;
+ }
+};
+
+/* */
+
+// Provides transition support for list items.
+// supports move transitions using the FLIP technique.
+
+// Because the vdom's children update algorithm is "unstable" - i.e.
+// it doesn't guarantee the relative positioning of removed elements,
+// we force transition-group to update its children into two passes:
+// in the first pass, we remove all nodes that need to be removed,
+// triggering their leaving transition; in the second pass, we insert/move
+// into the final desired state. This way in the second pass removed
+// nodes will remain where they should be.
+
+var props = extend({
+ tag: String,
+ moveClass: String
+}, transitionProps);
+
+delete props.mode;
+
+var TransitionGroup = {
+ props: props,
+
+ render: function render(h) {
+ var tag = this.tag || this.$vnode.data.tag || 'span';
+ var map = Object.create(null);
+ var prevChildren = this.prevChildren = this.children;
+ var rawChildren = this.$slots.default || [];
+ var children = this.children = [];
+ var transitionData = extractTransitionData(this);
+
+ for (var i = 0; i < rawChildren.length; i++) {
+ var c = rawChildren[i];
+ if (c.tag) {
+ if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
+ children.push(c);
+ map[c.key] = c;(c.data || (c.data = {})).transition = transitionData;
+ } else if (process.env.NODE_ENV !== 'production') {
+ var opts = c.componentOptions;
+ var name = opts ? opts.Ctor.options.name || opts.tag || '' : c.tag;
+ warn("<transition-group> children must be keyed: <" + name + ">");
+ }
+ }
+ }
+
+ if (prevChildren) {
+ var kept = [];
+ var removed = [];
+ for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
+ var c$1 = prevChildren[i$1];
+ c$1.data.transition = transitionData;
+ c$1.data.pos = c$1.elm.getBoundingClientRect();
+ if (map[c$1.key]) {
+ kept.push(c$1);
+ } else {
+ removed.push(c$1);
+ }
+ }
+ this.kept = h(tag, null, kept);
+ this.removed = removed;
+ }
+
+ return h(tag, null, children);
+ },
+
+ beforeUpdate: function beforeUpdate() {
+ // force removing pass
+ this.__patch__(this._vnode, this.kept, false, // hydrating
+ true // removeOnly (!important, avoids unnecessary moves)
+ );
+ this._vnode = this.kept;
+ },
+
+ updated: function updated() {
+ var children = this.prevChildren;
+ var moveClass = this.moveClass || (this.name || 'v') + '-move';
+ if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
+ return;
+ }
+
+ // we divide the work into three loops to avoid mixing DOM reads and writes
+ // in each iteration - which helps prevent layout thrashing.
+ children.forEach(callPendingCbs);
+ children.forEach(recordPosition);
+ children.forEach(applyTranslation);
+
+ // force reflow to put everything in position
+ var body = document.body;
+ var f = body.offsetHeight; // eslint-disable-line
+
+ children.forEach(function (c) {
+ if (c.data.moved) {
+ var el = c.elm;
+ var s = el.style;
+ addTransitionClass(el, moveClass);
+ s.transform = s.WebkitTransform = s.transitionDuration = '';
+ el.addEventListener(transitionEndEvent, el._moveCb = function cb(e) {
+ if (!e || /transform$/.test(e.propertyName)) {
+ el.removeEventListener(transitionEndEvent, cb);
+ el._moveCb = null;
+ removeTransitionClass(el, moveClass);
+ }
+ });
+ }
+ });
+ },
+
+ methods: {
+ hasMove: function hasMove(el, moveClass) {
+ /* istanbul ignore if */
+ if (!hasTransition) {
+ return false;
+ }
+ /* istanbul ignore if */
+ if (this._hasMove) {
+ return this._hasMove;
+ }
+ // Detect whether an element with the move class applied has
+ // CSS transitions. Since the element may be inside an entering
+ // transition at this very moment, we make a clone of it and remove
+ // all other transition classes applied to ensure only the move class
+ // is applied.
+ var clone = el.cloneNode();
+ if (el._transitionClasses) {
+ el._transitionClasses.forEach(function (cls) {
+ removeClass(clone, cls);
+ });
+ }
+ addClass(clone, moveClass);
+ clone.style.display = 'none';
+ this.$el.appendChild(clone);
+ var info = getTransitionInfo(clone);
+ this.$el.removeChild(clone);
+ return this._hasMove = info.hasTransform;
+ }
+ }
+};
+
+function callPendingCbs(c) {
+ /* istanbul ignore if */
+ if (c.elm._moveCb) {
+ c.elm._moveCb();
+ }
+ /* istanbul ignore if */
+ if (c.elm._enterCb) {
+ c.elm._enterCb();
+ }
+}
+
+function recordPosition(c) {
+ c.data.newPos = c.elm.getBoundingClientRect();
+}
+
+function applyTranslation(c) {
+ var oldPos = c.data.pos;
+ var newPos = c.data.newPos;
+ var dx = oldPos.left - newPos.left;
+ var dy = oldPos.top - newPos.top;
+ if (dx || dy) {
+ c.data.moved = true;
+ var s = c.elm.style;
+ s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
+ s.transitionDuration = '0s';
+ }
+}
+
+var platformComponents = {
+ Transition: Transition,
+ TransitionGroup: TransitionGroup
+};
+
+/* */
+
+// install platform specific utils
+Vue$3.config.mustUseProp = mustUseProp;
+Vue$3.config.isReservedTag = isReservedTag;
+Vue$3.config.isReservedAttr = isReservedAttr;
+Vue$3.config.getTagNamespace = getTagNamespace;
+Vue$3.config.isUnknownElement = isUnknownElement;
+
+// install platform runtime directives & components
+extend(Vue$3.options.directives, platformDirectives);
+extend(Vue$3.options.components, platformComponents);
+
+// install platform patch function
+Vue$3.prototype.__patch__ = inBrowser ? patch : noop;
+
+// public mount method
+Vue$3.prototype.$mount = function (el, hydrating) {
+ el = el && inBrowser ? query(el) : undefined;
+ return mountComponent(this, el, hydrating);
+};
+
+// devtools global hook
+/* istanbul ignore next */
+setTimeout(function () {
+ if (config.devtools) {
+ if (devtools) {
+ devtools.emit('init', Vue$3);
+ } else if (process.env.NODE_ENV !== 'production' && isChrome) {
+ console[console.info ? 'info' : 'log']('Download the Vue Devtools extension for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools');
+ }
+ }
+ if (process.env.NODE_ENV !== 'production' && config.productionTip !== false && inBrowser && typeof console !== 'undefined') {
+ console[console.info ? 'info' : 'log']("You are running Vue in development mode.\n" + "Make sure to turn on production mode when deploying for production.\n" + "See more tips at https://vuejs.org/guide/deployment.html");
+ }
+}, 0);
+
+/* */
+
+// check whether current browser encodes a char inside attribute values
+function shouldDecode(content, encoded) {
+ var div = document.createElement('div');
+ div.innerHTML = "<div a=\"" + content + "\"/>";
+ return div.innerHTML.indexOf(encoded) > 0;
+}
+
+// #3663
+// IE encodes newlines inside attribute values while other browsers don't
+var shouldDecodeNewlines = inBrowser ? shouldDecode('\n', ' ') : false;
+
+/* */
+
+var defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g;
+var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
+
+var buildRegex = cached(function (delimiters) {
+ var open = delimiters[0].replace(regexEscapeRE, '\\$&');
+ var close = delimiters[1].replace(regexEscapeRE, '\\$&');
+ return new RegExp(open + '((?:.|\\n)+?)' + close, 'g');
+});
+
+function parseText(text, delimiters) {
+ var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
+ if (!tagRE.test(text)) {
+ return;
+ }
+ var tokens = [];
+ var lastIndex = tagRE.lastIndex = 0;
+ var match, index;
+ while (match = tagRE.exec(text)) {
+ index = match.index;
+ // push text token
+ if (index > lastIndex) {
+ tokens.push(JSON.stringify(text.slice(lastIndex, index)));
+ }
+ // tag token
+ var exp = parseFilters(match[1].trim());
+ tokens.push("_s(" + exp + ")");
+ lastIndex = index + match[0].length;
+ }
+ if (lastIndex < text.length) {
+ tokens.push(JSON.stringify(text.slice(lastIndex)));
+ }
+ return tokens.join('+');
+}
+
+/* */
+
+function transformNode(el, options) {
+ var warn = options.warn || baseWarn;
+ var staticClass = getAndRemoveAttr(el, 'class');
+ if (process.env.NODE_ENV !== 'production' && staticClass) {
+ var expression = parseText(staticClass, options.delimiters);
+ if (expression) {
+ warn("class=\"" + staticClass + "\": " + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div class="{{ val }}">, use <div :class="val">.');
+ }
+ }
+ if (staticClass) {
+ el.staticClass = JSON.stringify(staticClass);
+ }
+ var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
+ if (classBinding) {
+ el.classBinding = classBinding;
+ }
+}
+
+function genData(el) {
+ var data = '';
+ if (el.staticClass) {
+ data += "staticClass:" + el.staticClass + ",";
+ }
+ if (el.classBinding) {
+ data += "class:" + el.classBinding + ",";
+ }
+ return data;
+}
+
+var klass$1 = {
+ staticKeys: ['staticClass'],
+ transformNode: transformNode,
+ genData: genData
+};
+
+/* */
+
+function transformNode$1(el, options) {
+ var warn = options.warn || baseWarn;
+ var staticStyle = getAndRemoveAttr(el, 'style');
+ if (staticStyle) {
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production') {
+ var expression = parseText(staticStyle, options.delimiters);
+ if (expression) {
+ warn("style=\"" + staticStyle + "\": " + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div style="{{ val }}">, use <div :style="val">.');
+ }
+ }
+ el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
+ }
+
+ var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
+ if (styleBinding) {
+ el.styleBinding = styleBinding;
+ }
+}
+
+function genData$1(el) {
+ var data = '';
+ if (el.staticStyle) {
+ data += "staticStyle:" + el.staticStyle + ",";
+ }
+ if (el.styleBinding) {
+ data += "style:(" + el.styleBinding + "),";
+ }
+ return data;
+}
+
+var style$1 = {
+ staticKeys: ['staticStyle'],
+ transformNode: transformNode$1,
+ genData: genData$1
+};
+
+var modules$1 = [klass$1, style$1];
+
+/* */
+
+function text(el, dir) {
+ if (dir.value) {
+ addProp(el, 'textContent', "_s(" + dir.value + ")");
+ }
+}
+
+/* */
+
+function html(el, dir) {
+ if (dir.value) {
+ addProp(el, 'innerHTML', "_s(" + dir.value + ")");
+ }
+}
+
+var directives$1 = {
+ model: model,
+ text: text,
+ html: html
+};
+
+/* */
+
+var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr');
+
+// Elements that you can, intentionally, leave open
+// (and which close themselves)
+var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source');
+
+// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
+// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
+var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track');
+
+/* */
+
+var baseOptions = {
+ expectHTML: true,
+ modules: modules$1,
+ directives: directives$1,
+ isPreTag: isPreTag,
+ isUnaryTag: isUnaryTag,
+ mustUseProp: mustUseProp,
+ canBeLeftOpenTag: canBeLeftOpenTag,
+ isReservedTag: isReservedTag,
+ getTagNamespace: getTagNamespace,
+ staticKeys: genStaticKeys(modules$1)
+};
+
+/* */
+
+var decoder;
+
+var he = {
+ decode: function decode(html) {
+ decoder = decoder || document.createElement('div');
+ decoder.innerHTML = html;
+ return decoder.textContent;
+ }
+};
+
+/**
+ * Not type-checking this file because it's mostly vendor code.
+ */
+
+/*!
+ * HTML Parser By John Resig (ejohn.org)
+ * Modified by Juriy "kangax" Zaytsev
+ * Original code by Erik Arvidsson, Mozilla Public License
+ * http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
+ */
+
+// Regular Expressions for parsing tags and attributes
+var singleAttrIdentifier = /([^\s"'<>/=]+)/;
+var singleAttrAssign = /(?:=)/;
+var singleAttrValues = [
+// attr value double quotes
+/"([^"]*)"+/.source,
+// attr value, single quotes
+/'([^']*)'+/.source,
+// attr value, no quotes
+/([^\s"'=<>`]+)/.source];
+var attribute = new RegExp('^\\s*' + singleAttrIdentifier.source + '(?:\\s*(' + singleAttrAssign.source + ')' + '\\s*(?:' + singleAttrValues.join('|') + '))?');
+
+// could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
+// but for Vue templates we can enforce a simple charset
+var ncname = '[a-zA-Z_][\\w\\-\\.]*';
+var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
+var startTagOpen = new RegExp('^<' + qnameCapture);
+var startTagClose = /^\s*(\/?)>/;
+var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
+var doctype = /^<!DOCTYPE [^>]+>/i;
+var comment = /^<!--/;
+var conditionalComment = /^<!\[/;
+
+var IS_REGEX_CAPTURING_BROKEN = false;
+'x'.replace(/x(.)?/g, function (m, g) {
+ IS_REGEX_CAPTURING_BROKEN = g === '';
+});
+
+// Special Elements (can contain anything)
+var isPlainTextElement = makeMap('script,style,textarea', true);
+var reCache = {};
+
+var decodingMap = {
+ '<': '<',
+ '>': '>',
+ '"': '"',
+ '&': '&',
+ ' ': '\n'
+};
+var encodedAttr = /&(?:lt|gt|quot|amp);/g;
+var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#10);/g;
+
+// #5992
+var isIgnoreNewlineTag = makeMap('pre,textarea', true);
+var shouldIgnoreFirstNewline = function (tag, html) {
+ return tag && isIgnoreNewlineTag(tag) && html[0] === '\n';
+};
+
+function decodeAttr(value, shouldDecodeNewlines) {
+ var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
+ return value.replace(re, function (match) {
+ return decodingMap[match];
+ });
+}
+
+function parseHTML(html, options) {
+ var stack = [];
+ var expectHTML = options.expectHTML;
+ var isUnaryTag$$1 = options.isUnaryTag || no;
+ var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
+ var index = 0;
+ var last, lastTag;
+ while (html) {
+ last = html;
+ // Make sure we're not in a plaintext content element like script/style
+ if (!lastTag || !isPlainTextElement(lastTag)) {
+ var textEnd = html.indexOf('<');
+ if (textEnd === 0) {
+ // Comment:
+ if (comment.test(html)) {
+ var commentEnd = html.indexOf('-->');
+
+ if (commentEnd >= 0) {
+ if (options.shouldKeepComment) {
+ options.comment(html.substring(4, commentEnd));
+ }
+ advance(commentEnd + 3);
+ continue;
+ }
+ }
+
+ // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
+ if (conditionalComment.test(html)) {
+ var conditionalEnd = html.indexOf(']>');
+
+ if (conditionalEnd >= 0) {
+ advance(conditionalEnd + 2);
+ continue;
+ }
+ }
+
+ // Doctype:
+ var doctypeMatch = html.match(doctype);
+ if (doctypeMatch) {
+ advance(doctypeMatch[0].length);
+ continue;
+ }
+
+ // End tag:
+ var endTagMatch = html.match(endTag);
+ if (endTagMatch) {
+ var curIndex = index;
+ advance(endTagMatch[0].length);
+ parseEndTag(endTagMatch[1], curIndex, index);
+ continue;
+ }
+
+ // Start tag:
+ var startTagMatch = parseStartTag();
+ if (startTagMatch) {
+ handleStartTag(startTagMatch);
+ if (shouldIgnoreFirstNewline(lastTag, html)) {
+ advance(1);
+ }
+ continue;
+ }
+ }
+
+ var text = void 0,
+ rest = void 0,
+ next = void 0;
+ if (textEnd >= 0) {
+ rest = html.slice(textEnd);
+ while (!endTag.test(rest) && !startTagOpen.test(rest) && !comment.test(rest) && !conditionalComment.test(rest)) {
+ // < in plain text, be forgiving and treat it as text
+ next = rest.indexOf('<', 1);
+ if (next < 0) {
+ break;
+ }
+ textEnd += next;
+ rest = html.slice(textEnd);
+ }
+ text = html.substring(0, textEnd);
+ advance(textEnd);
+ }
+
+ if (textEnd < 0) {
+ text = html;
+ html = '';
+ }
+
+ if (options.chars && text) {
+ options.chars(text);
+ }
+ } else {
+ var endTagLength = 0;
+ var stackedTag = lastTag.toLowerCase();
+ var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
+ var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
+ endTagLength = endTag.length;
+ if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
+ text = text.replace(/<!--([\s\S]*?)-->/g, '$1').replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
+ }
+ if (shouldIgnoreFirstNewline(stackedTag, text)) {
+ text = text.slice(1);
+ }
+ if (options.chars) {
+ options.chars(text);
+ }
+ return '';
+ });
+ index += html.length - rest$1.length;
+ html = rest$1;
+ parseEndTag(stackedTag, index - endTagLength, index);
+ }
+
+ if (html === last) {
+ options.chars && options.chars(html);
+ if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
+ options.warn("Mal-formatted tag at end of template: \"" + html + "\"");
+ }
+ break;
+ }
+ }
+
+ // Clean up any remaining tags
+ parseEndTag();
+
+ function advance(n) {
+ index += n;
+ html = html.substring(n);
+ }
+
+ function parseStartTag() {
+ var start = html.match(startTagOpen);
+ if (start) {
+ var match = {
+ tagName: start[1],
+ attrs: [],
+ start: index
+ };
+ advance(start[0].length);
+ var end, attr;
+ while (!(end = html.match(startTagClose)) && (attr = html.match(attribute))) {
+ advance(attr[0].length);
+ match.attrs.push(attr);
+ }
+ if (end) {
+ match.unarySlash = end[1];
+ advance(end[0].length);
+ match.end = index;
+ return match;
+ }
+ }
+ }
+
+ function handleStartTag(match) {
+ var tagName = match.tagName;
+ var unarySlash = match.unarySlash;
+
+ if (expectHTML) {
+ if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
+ parseEndTag(lastTag);
+ }
+ if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
+ parseEndTag(tagName);
+ }
+ }
+
+ var unary = isUnaryTag$$1(tagName) || !!unarySlash;
+
+ var l = match.attrs.length;
+ var attrs = new Array(l);
+ for (var i = 0; i < l; i++) {
+ var args = match.attrs[i];
+ // hackish work around FF bug https://bugzilla.mozilla.org/show_bug.cgi?id=369778
+ if (IS_REGEX_CAPTURING_BROKEN && args[0].indexOf('""') === -1) {
+ if (args[3] === '') {
+ delete args[3];
+ }
+ if (args[4] === '') {
+ delete args[4];
+ }
+ if (args[5] === '') {
+ delete args[5];
+ }
+ }
+ var value = args[3] || args[4] || args[5] || '';
+ attrs[i] = {
+ name: args[1],
+ value: decodeAttr(value, options.shouldDecodeNewlines)
+ };
+ }
+
+ if (!unary) {
+ stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs });
+ lastTag = tagName;
+ }
+
+ if (options.start) {
+ options.start(tagName, attrs, unary, match.start, match.end);
+ }
+ }
+
+ function parseEndTag(tagName, start, end) {
+ var pos, lowerCasedTagName;
+ if (start == null) {
+ start = index;
+ }
+ if (end == null) {
+ end = index;
+ }
+
+ if (tagName) {
+ lowerCasedTagName = tagName.toLowerCase();
+ }
+
+ // Find the closest opened tag of the same type
+ if (tagName) {
+ for (pos = stack.length - 1; pos >= 0; pos--) {
+ if (stack[pos].lowerCasedTag === lowerCasedTagName) {
+ break;
+ }
+ }
+ } else {
+ // If no tag name is provided, clean shop
+ pos = 0;
+ }
+
+ if (pos >= 0) {
+ // Close all the open elements, up the stack
+ for (var i = stack.length - 1; i >= pos; i--) {
+ if (process.env.NODE_ENV !== 'production' && (i > pos || !tagName) && options.warn) {
+ options.warn("tag <" + stack[i].tag + "> has no matching end tag.");
+ }
+ if (options.end) {
+ options.end(stack[i].tag, start, end);
+ }
+ }
+
+ // Remove the open elements from the stack
+ stack.length = pos;
+ lastTag = pos && stack[pos - 1].tag;
+ } else if (lowerCasedTagName === 'br') {
+ if (options.start) {
+ options.start(tagName, [], true, start, end);
+ }
+ } else if (lowerCasedTagName === 'p') {
+ if (options.start) {
+ options.start(tagName, [], false, start, end);
+ }
+ if (options.end) {
+ options.end(tagName, start, end);
+ }
+ }
+ }
+}
+
+/* */
+
+var onRE = /^@|^v-on:/;
+var dirRE = /^v-|^@|^:/;
+var forAliasRE = /(.*?)\s+(?:in|of)\s+(.*)/;
+var forIteratorRE = /\((\{[^}]*\}|[^,]*),([^,]*)(?:,([^,]*))?\)/;
+
+var argRE = /:(.*)$/;
+var bindRE = /^:|^v-bind:/;
+var modifierRE = /\.[^.]+/g;
+
+var decodeHTMLCached = cached(he.decode);
+
+// configurable state
+var warn$2;
+var delimiters;
+var transforms;
+var preTransforms;
+var postTransforms;
+var platformIsPreTag;
+var platformMustUseProp;
+var platformGetTagNamespace;
+
+/**
+ * Convert HTML string to AST.
+ */
+function parse(template, options) {
+ warn$2 = options.warn || baseWarn;
+
+ platformIsPreTag = options.isPreTag || no;
+ platformMustUseProp = options.mustUseProp || no;
+ platformGetTagNamespace = options.getTagNamespace || no;
+
+ transforms = pluckModuleFunction(options.modules, 'transformNode');
+ preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
+ postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
+
+ delimiters = options.delimiters;
+
+ var stack = [];
+ var preserveWhitespace = options.preserveWhitespace !== false;
+ var root;
+ var currentParent;
+ var inVPre = false;
+ var inPre = false;
+ var warned = false;
+
+ function warnOnce(msg) {
+ if (!warned) {
+ warned = true;
+ warn$2(msg);
+ }
+ }
+
+ function endPre(element) {
+ // check pre state
+ if (element.pre) {
+ inVPre = false;
+ }
+ if (platformIsPreTag(element.tag)) {
+ inPre = false;
+ }
+ }
+
+ parseHTML(template, {
+ warn: warn$2,
+ expectHTML: options.expectHTML,
+ isUnaryTag: options.isUnaryTag,
+ canBeLeftOpenTag: options.canBeLeftOpenTag,
+ shouldDecodeNewlines: options.shouldDecodeNewlines,
+ shouldKeepComment: options.comments,
+ start: function start(tag, attrs, unary) {
+ // check namespace.
+ // inherit parent ns if there is one
+ var ns = currentParent && currentParent.ns || platformGetTagNamespace(tag);
+
+ // handle IE svg bug
+ /* istanbul ignore if */
+ if (isIE && ns === 'svg') {
+ attrs = guardIESVGBug(attrs);
+ }
+
+ var element = {
+ type: 1,
+ tag: tag,
+ attrsList: attrs,
+ attrsMap: makeAttrsMap(attrs),
+ parent: currentParent,
+ children: []
+ };
+ if (ns) {
+ element.ns = ns;
+ }
+
+ if (isForbiddenTag(element) && !isServerRendering()) {
+ element.forbidden = true;
+ process.env.NODE_ENV !== 'production' && warn$2('Templates should only be responsible for mapping the state to the ' + 'UI. Avoid placing tags with side-effects in your templates, such as ' + "<" + tag + ">" + ', as they will not be parsed.');
+ }
+
+ // apply pre-transforms
+ for (var i = 0; i < preTransforms.length; i++) {
+ preTransforms[i](element, options);
+ }
+
+ if (!inVPre) {
+ processPre(element);
+ if (element.pre) {
+ inVPre = true;
+ }
+ }
+ if (platformIsPreTag(element.tag)) {
+ inPre = true;
+ }
+ if (inVPre) {
+ processRawAttrs(element);
+ } else {
+ processFor(element);
+ processIf(element);
+ processOnce(element);
+ processKey(element);
+
+ // determine whether this is a plain element after
+ // removing structural attributes
+ element.plain = !element.key && !attrs.length;
+
+ processRef(element);
+ processSlot(element);
+ processComponent(element);
+ for (var i$1 = 0; i$1 < transforms.length; i$1++) {
+ transforms[i$1](element, options);
+ }
+ processAttrs(element);
+ }
+
+ function checkRootConstraints(el) {
+ if (process.env.NODE_ENV !== 'production') {
+ if (el.tag === 'slot' || el.tag === 'template') {
+ warnOnce("Cannot use <" + el.tag + "> as component root element because it may " + 'contain multiple nodes.');
+ }
+ if (el.attrsMap.hasOwnProperty('v-for')) {
+ warnOnce('Cannot use v-for on stateful component root element because ' + 'it renders multiple elements.');
+ }
+ }
+ }
+
+ // tree management
+ if (!root) {
+ root = element;
+ checkRootConstraints(root);
+ } else if (!stack.length) {
+ // allow root elements with v-if, v-else-if and v-else
+ if (root.if && (element.elseif || element.else)) {
+ checkRootConstraints(element);
+ addIfCondition(root, {
+ exp: element.elseif,
+ block: element
+ });
+ } else if (process.env.NODE_ENV !== 'production') {
+ warnOnce("Component template should contain exactly one root element. " + "If you are using v-if on multiple elements, " + "use v-else-if to chain them instead.");
+ }
+ }
+ if (currentParent && !element.forbidden) {
+ if (element.elseif || element.else) {
+ processIfConditions(element, currentParent);
+ } else if (element.slotScope) {
+ // scoped slot
+ currentParent.plain = false;
+ var name = element.slotTarget || '"default"';(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
+ } else {
+ currentParent.children.push(element);
+ element.parent = currentParent;
+ }
+ }
+ if (!unary) {
+ currentParent = element;
+ stack.push(element);
+ } else {
+ endPre(element);
+ }
+ // apply post-transforms
+ for (var i$2 = 0; i$2 < postTransforms.length; i$2++) {
+ postTransforms[i$2](element, options);
+ }
+ },
+
+ end: function end() {
+ // remove trailing whitespace
+ var element = stack[stack.length - 1];
+ var lastNode = element.children[element.children.length - 1];
+ if (lastNode && lastNode.type === 3 && lastNode.text === ' ' && !inPre) {
+ element.children.pop();
+ }
+ // pop stack
+ stack.length -= 1;
+ currentParent = stack[stack.length - 1];
+ endPre(element);
+ },
+
+ chars: function chars(text) {
+ if (!currentParent) {
+ if (process.env.NODE_ENV !== 'production') {
+ if (text === template) {
+ warnOnce('Component template requires a root element, rather than just text.');
+ } else if (text = text.trim()) {
+ warnOnce("text \"" + text + "\" outside root element will be ignored.");
+ }
+ }
+ return;
+ }
+ // IE textarea placeholder bug
+ /* istanbul ignore if */
+ if (isIE && currentParent.tag === 'textarea' && currentParent.attrsMap.placeholder === text) {
+ return;
+ }
+ var children = currentParent.children;
+ text = inPre || text.trim() ? isTextTag(currentParent) ? text : decodeHTMLCached(text)
+ // only preserve whitespace if its not right after a starting tag
+ : preserveWhitespace && children.length ? ' ' : '';
+ if (text) {
+ var expression;
+ if (!inVPre && text !== ' ' && (expression = parseText(text, delimiters))) {
+ children.push({
+ type: 2,
+ expression: expression,
+ text: text
+ });
+ } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
+ children.push({
+ type: 3,
+ text: text
+ });
+ }
+ }
+ },
+ comment: function comment(text) {
+ currentParent.children.push({
+ type: 3,
+ text: text,
+ isComment: true
+ });
+ }
+ });
+ return root;
+}
+
+function processPre(el) {
+ if (getAndRemoveAttr(el, 'v-pre') != null) {
+ el.pre = true;
+ }
+}
+
+function processRawAttrs(el) {
+ var l = el.attrsList.length;
+ if (l) {
+ var attrs = el.attrs = new Array(l);
+ for (var i = 0; i < l; i++) {
+ attrs[i] = {
+ name: el.attrsList[i].name,
+ value: JSON.stringify(el.attrsList[i].value)
+ };
+ }
+ } else if (!el.pre) {
+ // non root node in pre blocks with no attributes
+ el.plain = true;
+ }
+}
+
+function processKey(el) {
+ var exp = getBindingAttr(el, 'key');
+ if (exp) {
+ if (process.env.NODE_ENV !== 'production' && el.tag === 'template') {
+ warn$2("<template> cannot be keyed. Place the key on real elements instead.");
+ }
+ el.key = exp;
+ }
+}
+
+function processRef(el) {
+ var ref = getBindingAttr(el, 'ref');
+ if (ref) {
+ el.ref = ref;
+ el.refInFor = checkInFor(el);
+ }
+}
+
+function processFor(el) {
+ var exp;
+ if (exp = getAndRemoveAttr(el, 'v-for')) {
+ var inMatch = exp.match(forAliasRE);
+ if (!inMatch) {
+ process.env.NODE_ENV !== 'production' && warn$2("Invalid v-for expression: " + exp);
+ return;
+ }
+ el.for = inMatch[2].trim();
+ var alias = inMatch[1].trim();
+ var iteratorMatch = alias.match(forIteratorRE);
+ if (iteratorMatch) {
+ el.alias = iteratorMatch[1].trim();
+ el.iterator1 = iteratorMatch[2].trim();
+ if (iteratorMatch[3]) {
+ el.iterator2 = iteratorMatch[3].trim();
+ }
+ } else {
+ el.alias = alias;
+ }
+ }
+}
+
+function processIf(el) {
+ var exp = getAndRemoveAttr(el, 'v-if');
+ if (exp) {
+ el.if = exp;
+ addIfCondition(el, {
+ exp: exp,
+ block: el
+ });
+ } else {
+ if (getAndRemoveAttr(el, 'v-else') != null) {
+ el.else = true;
+ }
+ var elseif = getAndRemoveAttr(el, 'v-else-if');
+ if (elseif) {
+ el.elseif = elseif;
+ }
+ }
+}
+
+function processIfConditions(el, parent) {
+ var prev = findPrevElement(parent.children);
+ if (prev && prev.if) {
+ addIfCondition(prev, {
+ exp: el.elseif,
+ block: el
+ });
+ } else if (process.env.NODE_ENV !== 'production') {
+ warn$2("v-" + (el.elseif ? 'else-if="' + el.elseif + '"' : 'else') + " " + "used on element <" + el.tag + "> without corresponding v-if.");
+ }
+}
+
+function findPrevElement(children) {
+ var i = children.length;
+ while (i--) {
+ if (children[i].type === 1) {
+ return children[i];
+ } else {
+ if (process.env.NODE_ENV !== 'production' && children[i].text !== ' ') {
+ warn$2("text \"" + children[i].text.trim() + "\" between v-if and v-else(-if) " + "will be ignored.");
+ }
+ children.pop();
+ }
+ }
+}
+
+function addIfCondition(el, condition) {
+ if (!el.ifConditions) {
+ el.ifConditions = [];
+ }
+ el.ifConditions.push(condition);
+}
+
+function processOnce(el) {
+ var once$$1 = getAndRemoveAttr(el, 'v-once');
+ if (once$$1 != null) {
+ el.once = true;
+ }
+}
+
+function processSlot(el) {
+ if (el.tag === 'slot') {
+ el.slotName = getBindingAttr(el, 'name');
+ if (process.env.NODE_ENV !== 'production' && el.key) {
+ warn$2("`key` does not work on <slot> because slots are abstract outlets " + "and can possibly expand into multiple elements. " + "Use the key on a wrapping element instead.");
+ }
+ } else {
+ var slotTarget = getBindingAttr(el, 'slot');
+ if (slotTarget) {
+ el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
+ }
+ if (el.tag === 'template') {
+ el.slotScope = getAndRemoveAttr(el, 'scope');
+ }
+ }
+}
+
+function processComponent(el) {
+ var binding;
+ if (binding = getBindingAttr(el, 'is')) {
+ el.component = binding;
+ }
+ if (getAndRemoveAttr(el, 'inline-template') != null) {
+ el.inlineTemplate = true;
+ }
+}
+
+function processAttrs(el) {
+ var list = el.attrsList;
+ var i, l, name, rawName, value, modifiers, isProp;
+ for (i = 0, l = list.length; i < l; i++) {
+ name = rawName = list[i].name;
+ value = list[i].value;
+ if (dirRE.test(name)) {
+ // mark element as dynamic
+ el.hasBindings = true;
+ // modifiers
+ modifiers = parseModifiers(name);
+ if (modifiers) {
+ name = name.replace(modifierRE, '');
+ }
+ if (bindRE.test(name)) {
+ // v-bind
+ name = name.replace(bindRE, '');
+ value = parseFilters(value);
+ isProp = false;
+ if (modifiers) {
+ if (modifiers.prop) {
+ isProp = true;
+ name = camelize(name);
+ if (name === 'innerHtml') {
+ name = 'innerHTML';
+ }
+ }
+ if (modifiers.camel) {
+ name = camelize(name);
+ }
+ if (modifiers.sync) {
+ addHandler(el, "update:" + camelize(name), genAssignmentCode(value, "$event"));
+ }
+ }
+ if (isProp || !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)) {
+ addProp(el, name, value);
+ } else {
+ addAttr(el, name, value);
+ }
+ } else if (onRE.test(name)) {
+ // v-on
+ name = name.replace(onRE, '');
+ addHandler(el, name, value, modifiers, false, warn$2);
+ } else {
+ // normal directives
+ name = name.replace(dirRE, '');
+ // parse arg
+ var argMatch = name.match(argRE);
+ var arg = argMatch && argMatch[1];
+ if (arg) {
+ name = name.slice(0, -(arg.length + 1));
+ }
+ addDirective(el, name, rawName, value, arg, modifiers);
+ if (process.env.NODE_ENV !== 'production' && name === 'model') {
+ checkForAliasModel(el, value);
+ }
+ }
+ } else {
+ // literal attribute
+ if (process.env.NODE_ENV !== 'production') {
+ var expression = parseText(value, delimiters);
+ if (expression) {
+ warn$2(name + "=\"" + value + "\": " + 'Interpolation inside attributes has been removed. ' + 'Use v-bind or the colon shorthand instead. For example, ' + 'instead of <div id="{{ val }}">, use <div :id="val">.');
+ }
+ }
+ addAttr(el, name, JSON.stringify(value));
+ }
+ }
+}
+
+function checkInFor(el) {
+ var parent = el;
+ while (parent) {
+ if (parent.for !== undefined) {
+ return true;
+ }
+ parent = parent.parent;
+ }
+ return false;
+}
+
+function parseModifiers(name) {
+ var match = name.match(modifierRE);
+ if (match) {
+ var ret = {};
+ match.forEach(function (m) {
+ ret[m.slice(1)] = true;
+ });
+ return ret;
+ }
+}
+
+function makeAttrsMap(attrs) {
+ var map = {};
+ for (var i = 0, l = attrs.length; i < l; i++) {
+ if (process.env.NODE_ENV !== 'production' && map[attrs[i].name] && !isIE && !isEdge) {
+ warn$2('duplicate attribute: ' + attrs[i].name);
+ }
+ map[attrs[i].name] = attrs[i].value;
+ }
+ return map;
+}
+
+// for script (e.g. type="x/template") or style, do not decode content
+function isTextTag(el) {
+ return el.tag === 'script' || el.tag === 'style';
+}
+
+function isForbiddenTag(el) {
+ return el.tag === 'style' || el.tag === 'script' && (!el.attrsMap.type || el.attrsMap.type === 'text/javascript');
+}
+
+var ieNSBug = /^xmlns:NS\d+/;
+var ieNSPrefix = /^NS\d+:/;
+
+/* istanbul ignore next */
+function guardIESVGBug(attrs) {
+ var res = [];
+ for (var i = 0; i < attrs.length; i++) {
+ var attr = attrs[i];
+ if (!ieNSBug.test(attr.name)) {
+ attr.name = attr.name.replace(ieNSPrefix, '');
+ res.push(attr);
+ }
+ }
+ return res;
+}
+
+function checkForAliasModel(el, value) {
+ var _el = el;
+ while (_el) {
+ if (_el.for && _el.alias === value) {
+ warn$2("<" + el.tag + " v-model=\"" + value + "\">: " + "You are binding v-model directly to a v-for iteration alias. " + "This will not be able to modify the v-for source array because " + "writing to the alias is like modifying a function local variable. " + "Consider using an array of objects and use v-model on an object property instead.");
+ }
+ _el = _el.parent;
+ }
+}
+
+/* */
+
+var isStaticKey;
+var isPlatformReservedTag;
+
+var genStaticKeysCached = cached(genStaticKeys$1);
+
+/**
+ * Goal of the optimizer: walk the generated template AST tree
+ * and detect sub-trees that are purely static, i.e. parts of
+ * the DOM that never needs to change.
+ *
+ * Once we detect these sub-trees, we can:
+ *
+ * 1. Hoist them into constants, so that we no longer need to
+ * create fresh nodes for them on each re-render;
+ * 2. Completely skip them in the patching process.
+ */
+function optimize(root, options) {
+ if (!root) {
+ return;
+ }
+ isStaticKey = genStaticKeysCached(options.staticKeys || '');
+ isPlatformReservedTag = options.isReservedTag || no;
+ // first pass: mark all non-static nodes.
+ markStatic$1(root);
+ // second pass: mark static roots.
+ markStaticRoots(root, false);
+}
+
+function genStaticKeys$1(keys) {
+ return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,attrs' + (keys ? ',' + keys : ''));
+}
+
+function markStatic$1(node) {
+ node.static = isStatic(node);
+ if (node.type === 1) {
+ // do not make component slot content static. this avoids
+ // 1. components not able to mutate slot nodes
+ // 2. static slot content fails for hot-reloading
+ if (!isPlatformReservedTag(node.tag) && node.tag !== 'slot' && node.attrsMap['inline-template'] == null) {
+ return;
+ }
+ for (var i = 0, l = node.children.length; i < l; i++) {
+ var child = node.children[i];
+ markStatic$1(child);
+ if (!child.static) {
+ node.static = false;
+ }
+ }
+ if (node.ifConditions) {
+ for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
+ var block = node.ifConditions[i$1].block;
+ markStatic$1(block);
+ if (!block.static) {
+ node.static = false;
+ }
+ }
+ }
+ }
+}
+
+function markStaticRoots(node, isInFor) {
+ if (node.type === 1) {
+ if (node.static || node.once) {
+ node.staticInFor = isInFor;
+ }
+ // For a node to qualify as a static root, it should have children that
+ // are not just static text. Otherwise the cost of hoisting out will
+ // outweigh the benefits and it's better off to just always render it fresh.
+ if (node.static && node.children.length && !(node.children.length === 1 && node.children[0].type === 3)) {
+ node.staticRoot = true;
+ return;
+ } else {
+ node.staticRoot = false;
+ }
+ if (node.children) {
+ for (var i = 0, l = node.children.length; i < l; i++) {
+ markStaticRoots(node.children[i], isInFor || !!node.for);
+ }
+ }
+ if (node.ifConditions) {
+ for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
+ markStaticRoots(node.ifConditions[i$1].block, isInFor);
+ }
+ }
+ }
+}
+
+function isStatic(node) {
+ if (node.type === 2) {
+ // expression
+ return false;
+ }
+ if (node.type === 3) {
+ // text
+ return true;
+ }
+ return !!(node.pre || !node.hasBindings && // no dynamic bindings
+ !node.if && !node.for && // not v-if or v-for or v-else
+ !isBuiltInTag(node.tag) && // not a built-in
+ isPlatformReservedTag(node.tag) && // not a component
+ !isDirectChildOfTemplateFor(node) && Object.keys(node).every(isStaticKey));
+}
+
+function isDirectChildOfTemplateFor(node) {
+ while (node.parent) {
+ node = node.parent;
+ if (node.tag !== 'template') {
+ return false;
+ }
+ if (node.for) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/* */
+
+var fnExpRE = /^\s*([\w$_]+|\([^)]*?\))\s*=>|^function\s*\(/;
+var simplePathRE = /^\s*[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?']|\[".*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*\s*$/;
+
+// keyCode aliases
+var keyCodes = {
+ esc: 27,
+ tab: 9,
+ enter: 13,
+ space: 32,
+ up: 38,
+ left: 37,
+ right: 39,
+ down: 40,
+ 'delete': [8, 46]
+};
+
+// #4868: modifiers that prevent the execution of the listener
+// need to explicitly return null so that we can determine whether to remove
+// the listener for .once
+var genGuard = function (condition) {
+ return "if(" + condition + ")return null;";
+};
+
+var modifierCode = {
+ stop: '$event.stopPropagation();',
+ prevent: '$event.preventDefault();',
+ self: genGuard("$event.target !== $event.currentTarget"),
+ ctrl: genGuard("!$event.ctrlKey"),
+ shift: genGuard("!$event.shiftKey"),
+ alt: genGuard("!$event.altKey"),
+ meta: genGuard("!$event.metaKey"),
+ left: genGuard("'button' in $event && $event.button !== 0"),
+ middle: genGuard("'button' in $event && $event.button !== 1"),
+ right: genGuard("'button' in $event && $event.button !== 2")
+};
+
+function genHandlers(events, isNative, warn) {
+ var res = isNative ? 'nativeOn:{' : 'on:{';
+ for (var name in events) {
+ var handler = events[name];
+ // #5330: warn click.right, since right clicks do not actually fire click events.
+ if (process.env.NODE_ENV !== 'production' && name === 'click' && handler && handler.modifiers && handler.modifiers.right) {
+ warn("Use \"contextmenu\" instead of \"click.right\" since right clicks " + "do not actually fire \"click\" events.");
+ }
+ res += "\"" + name + "\":" + genHandler(name, handler) + ",";
+ }
+ return res.slice(0, -1) + '}';
+}
+
+function genHandler(name, handler) {
+ if (!handler) {
+ return 'function(){}';
+ }
+
+ if (Array.isArray(handler)) {
+ return "[" + handler.map(function (handler) {
+ return genHandler(name, handler);
+ }).join(',') + "]";
+ }
+
+ var isMethodPath = simplePathRE.test(handler.value);
+ var isFunctionExpression = fnExpRE.test(handler.value);
+
+ if (!handler.modifiers) {
+ return isMethodPath || isFunctionExpression ? handler.value : "function($event){" + handler.value + "}"; // inline statement
+ } else {
+ var code = '';
+ var genModifierCode = '';
+ var keys = [];
+ for (var key in handler.modifiers) {
+ if (modifierCode[key]) {
+ genModifierCode += modifierCode[key];
+ // left/right
+ if (keyCodes[key]) {
+ keys.push(key);
+ }
+ } else {
+ keys.push(key);
+ }
+ }
+ if (keys.length) {
+ code += genKeyFilter(keys);
+ }
+ // Make sure modifiers like prevent and stop get executed after key filtering
+ if (genModifierCode) {
+ code += genModifierCode;
+ }
+ var handlerCode = isMethodPath ? handler.value + '($event)' : isFunctionExpression ? "(" + handler.value + ")($event)" : handler.value;
+ return "function($event){" + code + handlerCode + "}";
+ }
+}
+
+function genKeyFilter(keys) {
+ return "if(!('button' in $event)&&" + keys.map(genFilterCode).join('&&') + ")return null;";
+}
+
+function genFilterCode(key) {
+ var keyVal = parseInt(key, 10);
+ if (keyVal) {
+ return "$event.keyCode!==" + keyVal;
+ }
+ var alias = keyCodes[key];
+ return "_k($event.keyCode," + JSON.stringify(key) + (alias ? ',' + JSON.stringify(alias) : '') + ")";
+}
+
+/* */
+
+function on(el, dir) {
+ if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
+ warn("v-on without argument does not support modifiers.");
+ }
+ el.wrapListeners = function (code) {
+ return "_g(" + code + "," + dir.value + ")";
+ };
+}
+
+/* */
+
+function bind$1(el, dir) {
+ el.wrapData = function (code) {
+ return "_b(" + code + ",'" + el.tag + "'," + dir.value + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")";
+ };
+}
+
+/* */
+
+var baseDirectives = {
+ on: on,
+ bind: bind$1,
+ cloak: noop
+};
+
+/* */
+
+var CodegenState = function CodegenState(options) {
+ this.options = options;
+ this.warn = options.warn || baseWarn;
+ this.transforms = pluckModuleFunction(options.modules, 'transformCode');
+ this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
+ this.directives = extend(extend({}, baseDirectives), options.directives);
+ var isReservedTag = options.isReservedTag || no;
+ this.maybeComponent = function (el) {
+ return !isReservedTag(el.tag);
+ };
+ this.onceId = 0;
+ this.staticRenderFns = [];
+};
+
+function generate(ast, options) {
+ var state = new CodegenState(options);
+ var code = ast ? genElement(ast, state) : '_c("div")';
+ return {
+ render: "with(this){return " + code + "}",
+ staticRenderFns: state.staticRenderFns
+ };
+}
+
+function genElement(el, state) {
+ if (el.staticRoot && !el.staticProcessed) {
+ return genStatic(el, state);
+ } else if (el.once && !el.onceProcessed) {
+ return genOnce(el, state);
+ } else if (el.for && !el.forProcessed) {
+ return genFor(el, state);
+ } else if (el.if && !el.ifProcessed) {
+ return genIf(el, state);
+ } else if (el.tag === 'template' && !el.slotTarget) {
+ return genChildren(el, state) || 'void 0';
+ } else if (el.tag === 'slot') {
+ return genSlot(el, state);
+ } else {
+ // component or element
+ var code;
+ if (el.component) {
+ code = genComponent(el.component, el, state);
+ } else {
+ var data = el.plain ? undefined : genData$2(el, state);
+
+ var children = el.inlineTemplate ? null : genChildren(el, state, true);
+ code = "_c('" + el.tag + "'" + (data ? "," + data : '') + (children ? "," + children : '') + ")";
+ }
+ // module transforms
+ for (var i = 0; i < state.transforms.length; i++) {
+ code = state.transforms[i](el, code);
+ }
+ return code;
+ }
+}
+
+// hoist static sub-trees out
+function genStatic(el, state) {
+ el.staticProcessed = true;
+ state.staticRenderFns.push("with(this){return " + genElement(el, state) + "}");
+ return "_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")";
+}
+
+// v-once
+function genOnce(el, state) {
+ el.onceProcessed = true;
+ if (el.if && !el.ifProcessed) {
+ return genIf(el, state);
+ } else if (el.staticInFor) {
+ var key = '';
+ var parent = el.parent;
+ while (parent) {
+ if (parent.for) {
+ key = parent.key;
+ break;
+ }
+ parent = parent.parent;
+ }
+ if (!key) {
+ process.env.NODE_ENV !== 'production' && state.warn("v-once can only be used inside v-for that is keyed. ");
+ return genElement(el, state);
+ }
+ return "_o(" + genElement(el, state) + "," + state.onceId++ + (key ? "," + key : "") + ")";
+ } else {
+ return genStatic(el, state);
+ }
+}
+
+function genIf(el, state, altGen, altEmpty) {
+ el.ifProcessed = true; // avoid recursion
+ return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);
+}
+
+function genIfConditions(conditions, state, altGen, altEmpty) {
+ if (!conditions.length) {
+ return altEmpty || '_e()';
+ }
+
+ var condition = conditions.shift();
+ if (condition.exp) {
+ return "(" + condition.exp + ")?" + genTernaryExp(condition.block) + ":" + genIfConditions(conditions, state, altGen, altEmpty);
+ } else {
+ return "" + genTernaryExp(condition.block);
+ }
+
+ // v-if with v-once should generate code like (a)?_m(0):_m(1)
+ function genTernaryExp(el) {
+ return altGen ? altGen(el, state) : el.once ? genOnce(el, state) : genElement(el, state);
+ }
+}
+
+function genFor(el, state, altGen, altHelper) {
+ var exp = el.for;
+ var alias = el.alias;
+ var iterator1 = el.iterator1 ? "," + el.iterator1 : '';
+ var iterator2 = el.iterator2 ? "," + el.iterator2 : '';
+
+ if (process.env.NODE_ENV !== 'production' && state.maybeComponent(el) && el.tag !== 'slot' && el.tag !== 'template' && !el.key) {
+ state.warn("<" + el.tag + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " + "v-for should have explicit keys. " + "See https://vuejs.org/guide/list.html#key for more info.", true /* tip */
+ );
+ }
+
+ el.forProcessed = true; // avoid recursion
+ return (altHelper || '_l') + "((" + exp + ")," + "function(" + alias + iterator1 + iterator2 + "){" + "return " + (altGen || genElement)(el, state) + '})';
+}
+
+function genData$2(el, state) {
+ var data = '{';
+
+ // directives first.
+ // directives may mutate the el's other properties before they are generated.
+ var dirs = genDirectives(el, state);
+ if (dirs) {
+ data += dirs + ',';
+ }
+
+ // key
+ if (el.key) {
+ data += "key:" + el.key + ",";
+ }
+ // ref
+ if (el.ref) {
+ data += "ref:" + el.ref + ",";
+ }
+ if (el.refInFor) {
+ data += "refInFor:true,";
+ }
+ // pre
+ if (el.pre) {
+ data += "pre:true,";
+ }
+ // record original tag name for components using "is" attribute
+ if (el.component) {
+ data += "tag:\"" + el.tag + "\",";
+ }
+ // module data generation functions
+ for (var i = 0; i < state.dataGenFns.length; i++) {
+ data += state.dataGenFns[i](el);
+ }
+ // attributes
+ if (el.attrs) {
+ data += "attrs:{" + genProps(el.attrs) + "},";
+ }
+ // DOM props
+ if (el.props) {
+ data += "domProps:{" + genProps(el.props) + "},";
+ }
+ // event handlers
+ if (el.events) {
+ data += genHandlers(el.events, false, state.warn) + ",";
+ }
+ if (el.nativeEvents) {
+ data += genHandlers(el.nativeEvents, true, state.warn) + ",";
+ }
+ // slot target
+ if (el.slotTarget) {
+ data += "slot:" + el.slotTarget + ",";
+ }
+ // scoped slots
+ if (el.scopedSlots) {
+ data += genScopedSlots(el.scopedSlots, state) + ",";
+ }
+ // component v-model
+ if (el.model) {
+ data += "model:{value:" + el.model.value + ",callback:" + el.model.callback + ",expression:" + el.model.expression + "},";
+ }
+ // inline-template
+ if (el.inlineTemplate) {
+ var inlineTemplate = genInlineTemplate(el, state);
+ if (inlineTemplate) {
+ data += inlineTemplate + ",";
+ }
+ }
+ data = data.replace(/,$/, '') + '}';
+ // v-bind data wrap
+ if (el.wrapData) {
+ data = el.wrapData(data);
+ }
+ // v-on data wrap
+ if (el.wrapListeners) {
+ data = el.wrapListeners(data);
+ }
+ return data;
+}
+
+function genDirectives(el, state) {
+ var dirs = el.directives;
+ if (!dirs) {
+ return;
+ }
+ var res = 'directives:[';
+ var hasRuntime = false;
+ var i, l, dir, needRuntime;
+ for (i = 0, l = dirs.length; i < l; i++) {
+ dir = dirs[i];
+ needRuntime = true;
+ var gen = state.directives[dir.name];
+ if (gen) {
+ // compile-time directive that manipulates AST.
+ // returns true if it also needs a runtime counterpart.
+ needRuntime = !!gen(el, dir, state.warn);
+ }
+ if (needRuntime) {
+ hasRuntime = true;
+ res += "{name:\"" + dir.name + "\",rawName:\"" + dir.rawName + "\"" + (dir.value ? ",value:(" + dir.value + "),expression:" + JSON.stringify(dir.value) : '') + (dir.arg ? ",arg:\"" + dir.arg + "\"" : '') + (dir.modifiers ? ",modifiers:" + JSON.stringify(dir.modifiers) : '') + "},";
+ }
+ }
+ if (hasRuntime) {
+ return res.slice(0, -1) + ']';
+ }
+}
+
+function genInlineTemplate(el, state) {
+ var ast = el.children[0];
+ if (process.env.NODE_ENV !== 'production' && (el.children.length > 1 || ast.type !== 1)) {
+ state.warn('Inline-template components must have exactly one child element.');
+ }
+ if (ast.type === 1) {
+ var inlineRenderFns = generate(ast, state.options);
+ return "inlineTemplate:{render:function(){" + inlineRenderFns.render + "},staticRenderFns:[" + inlineRenderFns.staticRenderFns.map(function (code) {
+ return "function(){" + code + "}";
+ }).join(',') + "]}";
+ }
+}
+
+function genScopedSlots(slots, state) {
+ return "scopedSlots:_u([" + Object.keys(slots).map(function (key) {
+ return genScopedSlot(key, slots[key], state);
+ }).join(',') + "])";
+}
+
+function genScopedSlot(key, el, state) {
+ if (el.for && !el.forProcessed) {
+ return genForScopedSlot(key, el, state);
+ }
+ return "{key:" + key + ",fn:function(" + String(el.attrsMap.scope) + "){" + "return " + (el.tag === 'template' ? genChildren(el, state) || 'void 0' : genElement(el, state)) + "}}";
+}
+
+function genForScopedSlot(key, el, state) {
+ var exp = el.for;
+ var alias = el.alias;
+ var iterator1 = el.iterator1 ? "," + el.iterator1 : '';
+ var iterator2 = el.iterator2 ? "," + el.iterator2 : '';
+ el.forProcessed = true; // avoid recursion
+ return "_l((" + exp + ")," + "function(" + alias + iterator1 + iterator2 + "){" + "return " + genScopedSlot(key, el, state) + '})';
+}
+
+function genChildren(el, state, checkSkip, altGenElement, altGenNode) {
+ var children = el.children;
+ if (children.length) {
+ var el$1 = children[0];
+ // optimize single v-for
+ if (children.length === 1 && el$1.for && el$1.tag !== 'template' && el$1.tag !== 'slot') {
+ return (altGenElement || genElement)(el$1, state);
+ }
+ var normalizationType = checkSkip ? getNormalizationType(children, state.maybeComponent) : 0;
+ var gen = altGenNode || genNode;
+ return "[" + children.map(function (c) {
+ return gen(c, state);
+ }).join(',') + "]" + (normalizationType ? "," + normalizationType : '');
+ }
+}
+
+// determine the normalization needed for the children array.
+// 0: no normalization needed
+// 1: simple normalization needed (possible 1-level deep nested array)
+// 2: full normalization needed
+function getNormalizationType(children, maybeComponent) {
+ var res = 0;
+ for (var i = 0; i < children.length; i++) {
+ var el = children[i];
+ if (el.type !== 1) {
+ continue;
+ }
+ if (needsNormalization(el) || el.ifConditions && el.ifConditions.some(function (c) {
+ return needsNormalization(c.block);
+ })) {
+ res = 2;
+ break;
+ }
+ if (maybeComponent(el) || el.ifConditions && el.ifConditions.some(function (c) {
+ return maybeComponent(c.block);
+ })) {
+ res = 1;
+ }
+ }
+ return res;
+}
+
+function needsNormalization(el) {
+ return el.for !== undefined || el.tag === 'template' || el.tag === 'slot';
+}
+
+function genNode(node, state) {
+ if (node.type === 1) {
+ return genElement(node, state);
+ }if (node.type === 3 && node.isComment) {
+ return genComment(node);
+ } else {
+ return genText(node);
+ }
+}
+
+function genText(text) {
+ return "_v(" + (text.type === 2 ? text.expression // no need for () because already wrapped in _s()
+ : transformSpecialNewlines(JSON.stringify(text.text))) + ")";
+}
+
+function genComment(comment) {
+ return "_e(" + JSON.stringify(comment.text) + ")";
+}
+
+function genSlot(el, state) {
+ var slotName = el.slotName || '"default"';
+ var children = genChildren(el, state);
+ var res = "_t(" + slotName + (children ? "," + children : '');
+ var attrs = el.attrs && "{" + el.attrs.map(function (a) {
+ return camelize(a.name) + ":" + a.value;
+ }).join(',') + "}";
+ var bind$$1 = el.attrsMap['v-bind'];
+ if ((attrs || bind$$1) && !children) {
+ res += ",null";
+ }
+ if (attrs) {
+ res += "," + attrs;
+ }
+ if (bind$$1) {
+ res += (attrs ? '' : ',null') + "," + bind$$1;
+ }
+ return res + ')';
+}
+
+// componentName is el.component, take it as argument to shun flow's pessimistic refinement
+function genComponent(componentName, el, state) {
+ var children = el.inlineTemplate ? null : genChildren(el, state, true);
+ return "_c(" + componentName + "," + genData$2(el, state) + (children ? "," + children : '') + ")";
+}
+
+function genProps(props) {
+ var res = '';
+ for (var i = 0; i < props.length; i++) {
+ var prop = props[i];
+ res += "\"" + prop.name + "\":" + transformSpecialNewlines(prop.value) + ",";
+ }
+ return res.slice(0, -1);
+}
+
+// #3895, #4268
+function transformSpecialNewlines(text) {
+ return text.replace(/\u2028/g, '\\u2028').replace(/\u2029/g, '\\u2029');
+}
+
+/* */
+
+// these keywords should not appear inside expressions, but operators like
+// typeof, instanceof and in are allowed
+var prohibitedKeywordRE = new RegExp('\\b' + ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' + 'super,throw,while,yield,delete,export,import,return,switch,default,' + 'extends,finally,continue,debugger,function,arguments').split(',').join('\\b|\\b') + '\\b');
+
+// these unary operators should not be used as property/method names
+var unaryOperatorsRE = new RegExp('\\b' + 'delete,typeof,void'.split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
+
+// check valid identifier for v-for
+var identRE = /[A-Za-z_$][\w$]*/;
+
+// strip strings in expressions
+var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
+
+// detect problematic expressions in a template
+function detectErrors(ast) {
+ var errors = [];
+ if (ast) {
+ checkNode(ast, errors);
+ }
+ return errors;
+}
+
+function checkNode(node, errors) {
+ if (node.type === 1) {
+ for (var name in node.attrsMap) {
+ if (dirRE.test(name)) {
+ var value = node.attrsMap[name];
+ if (value) {
+ if (name === 'v-for') {
+ checkFor(node, "v-for=\"" + value + "\"", errors);
+ } else if (onRE.test(name)) {
+ checkEvent(value, name + "=\"" + value + "\"", errors);
+ } else {
+ checkExpression(value, name + "=\"" + value + "\"", errors);
+ }
+ }
+ }
+ }
+ if (node.children) {
+ for (var i = 0; i < node.children.length; i++) {
+ checkNode(node.children[i], errors);
+ }
+ }
+ } else if (node.type === 2) {
+ checkExpression(node.expression, node.text, errors);
+ }
+}
+
+function checkEvent(exp, text, errors) {
+ var stipped = exp.replace(stripStringRE, '');
+ var keywordMatch = stipped.match(unaryOperatorsRE);
+ if (keywordMatch && stipped.charAt(keywordMatch.index - 1) !== '$') {
+ errors.push("avoid using JavaScript unary operator as property name: " + "\"" + keywordMatch[0] + "\" in expression " + text.trim());
+ }
+ checkExpression(exp, text, errors);
+}
+
+function checkFor(node, text, errors) {
+ checkExpression(node.for || '', text, errors);
+ checkIdentifier(node.alias, 'v-for alias', text, errors);
+ checkIdentifier(node.iterator1, 'v-for iterator', text, errors);
+ checkIdentifier(node.iterator2, 'v-for iterator', text, errors);
+}
+
+function checkIdentifier(ident, type, text, errors) {
+ if (typeof ident === 'string' && !identRE.test(ident)) {
+ errors.push("invalid " + type + " \"" + ident + "\" in expression: " + text.trim());
+ }
+}
+
+function checkExpression(exp, text, errors) {
+ try {
+ new Function("return " + exp);
+ } catch (e) {
+ var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
+ if (keywordMatch) {
+ errors.push("avoid using JavaScript keyword as property name: " + "\"" + keywordMatch[0] + "\" in expression " + text.trim());
+ } else {
+ errors.push("invalid expression: " + text.trim());
+ }
+ }
+}
+
+/* */
+
+function createFunction(code, errors) {
+ try {
+ return new Function(code);
+ } catch (err) {
+ errors.push({ err: err, code: code });
+ return noop;
+ }
+}
+
+function createCompileToFunctionFn(compile) {
+ var cache = Object.create(null);
+
+ return function compileToFunctions(template, options, vm) {
+ options = options || {};
+
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production') {
+ // detect possible CSP restriction
+ try {
+ new Function('return 1');
+ } catch (e) {
+ if (e.toString().match(/unsafe-eval|CSP/)) {
+ warn('It seems you are using the standalone build of Vue.js in an ' + 'environment with Content Security Policy that prohibits unsafe-eval. ' + 'The template compiler cannot work in this environment. Consider ' + 'relaxing the policy to allow unsafe-eval or pre-compiling your ' + 'templates into render functions.');
+ }
+ }
+ }
+
+ // check cache
+ var key = options.delimiters ? String(options.delimiters) + template : template;
+ if (cache[key]) {
+ return cache[key];
+ }
+
+ // compile
+ var compiled = compile(template, options);
+
+ // check compilation errors/tips
+ if (process.env.NODE_ENV !== 'production') {
+ if (compiled.errors && compiled.errors.length) {
+ warn("Error compiling template:\n\n" + template + "\n\n" + compiled.errors.map(function (e) {
+ return "- " + e;
+ }).join('\n') + '\n', vm);
+ }
+ if (compiled.tips && compiled.tips.length) {
+ compiled.tips.forEach(function (msg) {
+ return tip(msg, vm);
+ });
+ }
+ }
+
+ // turn code into functions
+ var res = {};
+ var fnGenErrors = [];
+ res.render = createFunction(compiled.render, fnGenErrors);
+ res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
+ return createFunction(code, fnGenErrors);
+ });
+
+ // check function generation errors.
+ // this should only happen if there is a bug in the compiler itself.
+ // mostly for codegen development use
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production') {
+ if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
+ warn("Failed to generate render function:\n\n" + fnGenErrors.map(function (ref) {
+ var err = ref.err;
+ var code = ref.code;
+
+ return err.toString() + " in\n\n" + code + "\n";
+ }).join('\n'), vm);
+ }
+ }
+
+ return cache[key] = res;
+ };
+}
+
+/* */
+
+function createCompilerCreator(baseCompile) {
+ return function createCompiler(baseOptions) {
+ function compile(template, options) {
+ var finalOptions = Object.create(baseOptions);
+ var errors = [];
+ var tips = [];
+ finalOptions.warn = function (msg, tip) {
+ (tip ? tips : errors).push(msg);
+ };
+
+ if (options) {
+ // merge custom modules
+ if (options.modules) {
+ finalOptions.modules = (baseOptions.modules || []).concat(options.modules);
+ }
+ // merge custom directives
+ if (options.directives) {
+ finalOptions.directives = extend(Object.create(baseOptions.directives), options.directives);
+ }
+ // copy other options
+ for (var key in options) {
+ if (key !== 'modules' && key !== 'directives') {
+ finalOptions[key] = options[key];
+ }
+ }
+ }
+
+ var compiled = baseCompile(template, finalOptions);
+ if (process.env.NODE_ENV !== 'production') {
+ errors.push.apply(errors, detectErrors(compiled.ast));
+ }
+ compiled.errors = errors;
+ compiled.tips = tips;
+ return compiled;
+ }
+
+ return {
+ compile: compile,
+ compileToFunctions: createCompileToFunctionFn(compile)
+ };
+ };
+}
+
+/* */
+
+// `createCompilerCreator` allows creating compilers that use alternative
+// parser/optimizer/codegen, e.g the SSR optimizing compiler.
+// Here we just export a default compiler using the default parts.
+var createCompiler = createCompilerCreator(function baseCompile(template, options) {
+ var ast = parse(template.trim(), options);
+ optimize(ast, options);
+ var code = generate(ast, options);
+ return {
+ ast: ast,
+ render: code.render,
+ staticRenderFns: code.staticRenderFns
+ };
+});
+
+/* */
+
+var ref$1 = createCompiler(baseOptions);
+var compileToFunctions = ref$1.compileToFunctions;
+
+/* */
+
+var idToTemplate = cached(function (id) {
+ var el = query(id);
+ return el && el.innerHTML;
+});
+
+var mount = Vue$3.prototype.$mount;
+Vue$3.prototype.$mount = function (el, hydrating) {
+ el = el && query(el);
+
+ /* istanbul ignore if */
+ if (el === document.body || el === document.documentElement) {
+ process.env.NODE_ENV !== 'production' && warn("Do not mount Vue to <html> or <body> - mount to normal elements instead.");
+ return this;
+ }
+
+ var options = this.$options;
+ // resolve template/el and convert to render function
+ if (!options.render) {
+ var template = options.template;
+ if (template) {
+ if (typeof template === 'string') {
+ if (template.charAt(0) === '#') {
+ template = idToTemplate(template);
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && !template) {
+ warn("Template element not found or is empty: " + options.template, this);
+ }
+ }
+ } else if (template.nodeType) {
+ template = template.innerHTML;
+ } else {
+ if (process.env.NODE_ENV !== 'production') {
+ warn('invalid template option:' + template, this);
+ }
+ return this;
+ }
+ } else if (el) {
+ template = getOuterHTML(el);
+ }
+ if (template) {
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
+ mark('compile');
+ }
+
+ var ref = compileToFunctions(template, {
+ shouldDecodeNewlines: shouldDecodeNewlines,
+ delimiters: options.delimiters,
+ comments: options.comments
+ }, this);
+ var render = ref.render;
+ var staticRenderFns = ref.staticRenderFns;
+ options.render = render;
+ options.staticRenderFns = staticRenderFns;
+
+ /* istanbul ignore if */
+ if (process.env.NODE_ENV !== 'production' && config.performance && mark) {
+ mark('compile end');
+ measure(this._name + " compile", 'compile', 'compile end');
+ }
+ }
+ }
+ return mount.call(this, el, hydrating);
+};
+
+/**
+ * Get outerHTML of elements, taking care
+ * of SVG elements in IE as well.
+ */
+function getOuterHTML(el) {
+ if (el.outerHTML) {
+ return el.outerHTML;
+ } else {
+ var container = document.createElement('div');
+ container.appendChild(el.cloneNode(true));
+ return container.innerHTML;
+ }
+}
+
+Vue$3.compile = compileToFunctions;
+
+/* harmony default export */ __webpack_exports__["a"] = (Vue$3);
+/* WEBPACK VAR INJECTION */}.call(__webpack_exports__, __webpack_require__(3), __webpack_require__(4)))
+
+/***/ }),
+/* 1 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+
+const internals = {
+ kSocketLocation: 'ws://localhost:1987',
+
+ data: {
+ state: 0,
+ runningAverages: {},
+ winner: null
+ },
+
+ initSocket() {
+
+ internals.socket = new WebSocket(internals.kSocketLocation);
+ internals.socket.addEventListener('message', data => {
+
+ Object.assign(internals.data, JSON.parse(data.data));
+ });
+ }
+};
+
+/* harmony default export */ __webpack_exports__["a"] = ({
+ data() {
+
+ if (!internals.socket) {
+ internals.initSocket();
+ }
+
+ return internals.data;
+ }
+});
+
+/***/ }),
+/* 2 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_vue__ = __webpack_require__(0);
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__components_wave_renderer__ = __webpack_require__(5);
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_2__components_status__ = __webpack_require__(6);
+
+
+
+
+
+/* global window */
+
+const internals = {};
+
+internals.SortingHat = {
+
+ start() {
+
+ this.vm = new __WEBPACK_IMPORTED_MODULE_0_vue__["a" /* default */]({
+ el: '#sorting-hat',
+ components: {
+ waveRenderer: __WEBPACK_IMPORTED_MODULE_1__components_wave_renderer__["a" /* default */],
+ status: __WEBPACK_IMPORTED_MODULE_2__components_status__["a" /* default */]
+ }
+ });
+ }
+};
+
+internals.run = function () {
+
+ internals.SortingHat.start();
+};
+
+window.addEventListener('load', internals.run);
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports) {
+
+// shim for using process in browser
+var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout() {
+ throw new Error('clearTimeout has not been defined');
+}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+})();
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch (e) {
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch (e) {
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e) {
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e) {
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
+
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
+ }
+}
+
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
+
+ var len = queue.length;
+ while (len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
+
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
+
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
+
+function noop() {}
+
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
+
+process.listeners = function (name) {
+ return [];
+};
+
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
+
+process.cwd = function () {
+ return '/';
+};
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function () {
+ return 0;
+};
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports) {
+
+var g;
+
+// This works in non-strict mode
+g = function () {
+ return this;
+}();
+
+try {
+ // This works if eval is allowed (see CSP)
+ g = g || Function("return this")() || (1, eval)("this");
+} catch (e) {
+ // This works if the window reference is available
+ if (typeof window === "object") g = window;
+}
+
+// g can still be undefined, but nothing to do about it...
+// We return undefined, instead of nothing here, so it's
+// easier to handle this case. if(!global) { ...}
+
+module.exports = g;
+
+/***/ }),
+/* 5 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_vue__ = __webpack_require__(0);
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__services_data__ = __webpack_require__(1);
+
+
+
+const internals = {
+
+ // Constants
+
+ kColors: {
+ donatello: 'purple',
+ leonardo: 'blue',
+ michaelangelo: 'orange',
+ raphael: 'red'
+ },
+ kFrequency: 100,
+ kGradientFade: 0.1,
+ kMinValue: 25,
+ kMaxValue: 100,
+ kRandomJitter: 10,
+ kTargetFPS: 60,
+
+ // Utility functions
+
+ scale(value, min, max) {
+
+ return (value - min) / (max - min) * (internals.kMaxValue - internals.kMinValue) - internals.kMinValue;
+ }
+};
+
+/* harmony default export */ __webpack_exports__["a"] = (__WEBPACK_IMPORTED_MODULE_0_vue__["a" /* default */].component('posts', {
+ template: '<transition name="fade">' + '<canvas v-show="state === 1" class="wave-renderer"></canvas>' + '</transition>',
+
+ data: __WEBPACK_IMPORTED_MODULE_1__services_data__["a" /* default */].data,
+
+ computed: {
+
+ // Convert from the min / max value in the measurement to a
+ // predefined min value between 0 and 100 (see kMinValue and
+ // kMaxValue for actual values)
+
+ scaledAverages() {
+
+ const keys = Object.keys(this.runningAverages);
+
+ const averages = keys.reduce((averages, averageCategory) => {
+
+ const runningAverage = this.runningAverages[averageCategory];
+ averages[averageCategory] = runningAverage.average;
+ return averages;
+ }, {});
+
+ const max = Math.max(...Object.values(averages));
+ const min = Math.min(...Object.values(averages));
+
+ const scaledAverages = Object.keys(averages).reduce((scaledAverages, averageCategory) => {
+
+ const value = averages[averageCategory];
+ scaledAverages[averageCategory] = internals.scale(value, min, max);
+ return scaledAverages;
+ }, {});
+
+ return scaledAverages;
+ }
+ },
+
+ methods: {
+ onResize() {
+
+ this.$el.width = window.innerWidth;
+ this.$el.height = window.innerHeight;
+ }
+ },
+
+ // Initiates the animation loop
+
+ mounted() {
+
+ // Make sure we resize, do an initial sizing
+
+ window.addEventListener('resize', this.onResize.bind(this));
+ this.onResize();
+
+ // Start the whole animation (Sorry it's a mess)
+
+ const canvas = this.$el;
+
+ const context = canvas.getContext('2d');
+ const interval = 1000 / internals.kTargetFPS;
+
+ let lastTimestamp = 0;
+
+ const animationHandler = timestamp => {
+
+ window.requestAnimationFrame(animationHandler);
+ const delta = timestamp - lastTimestamp;
+
+ if (delta > interval) {
+
+ const keys = Object.keys(this.scaledAverages);
+ const values = Object.values(this.scaledAverages);
+ const segments = keys.length;
+ const period = canvas.width / segments;
+
+ const fillGradient = context.createLinearGradient(0, 0, canvas.width, 0);
+ const gradientBandWidth = 1 / segments;
+
+ // Position the drawing cursor left-center of screen
+
+ context.clearRect(0, 0, canvas.width, canvas.height);
+ context.beginPath();
+ context.moveTo(0, canvas.height);
+ context.lineTo(0, canvas.height / 2);
+
+ // Iterate over the segments
+
+ for (let currentSegment = 0; currentSegment < segments; ++currentSegment) {
+ const segmentStart = currentSegment * period;
+ const segmentEnd = currentSegment + period;
+
+ const category = keys[currentSegment];
+ const magnitude = values[currentSegment];
+ const segmentHeight = Math.round(Math.random() * internals.kRandomJitter + magnitude * (canvas.height / 2) / 100);
+
+ // Calculate the gradient using the correct color according to
+ // scale
+
+ const color = internals.kColors[category] || 'black';
+ let currentGradientPosition = currentSegment * gradientBandWidth + internals.kGradientFade;
+ fillGradient.addColorStop(currentGradientPosition, color);
+ currentGradientPosition = (currentSegment + 1) * gradientBandWidth - internals.kGradientFade;
+ fillGradient.addColorStop(currentGradientPosition, color);
+
+ // This draws the sine wave
+
+ for (let angle = 0; angle < 180; ++angle) {
+ const currentPixel = segmentStart + angle * period / 180;
+ const currentAngle = angle + 180 * (currentSegment % 2);
+ const currentRadians = currentAngle * Math.PI / 180;
+ const currentHeight = segmentHeight * Math.sin(internals.kFrequency * currentRadians);
+
+ context.lineTo(currentPixel, currentHeight + canvas.height / 2);
+ }
+ }
+
+ context.lineTo(canvas.width, canvas.height / 2);
+ context.lineTo(canvas.width, canvas.height);
+ context.fillStyle = fillGradient;
+ context.fill();
+
+ lastTimestamp = timestamp;
+ }
+ };
+
+ window.requestAnimationFrame(animationHandler);
+ }
+}));
+
+/***/ }),
+/* 6 */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0_vue__ = __webpack_require__(0);
+/* harmony import */ var __WEBPACK_IMPORTED_MODULE_1__services_data__ = __webpack_require__(1);
+
+
+
+const internals = {};
+
+/* harmony default export */ __webpack_exports__["a"] = (__WEBPACK_IMPORTED_MODULE_0_vue__["a" /* default */].component('posts', {
+ template: '<div class="status-widget">' + '<transition name="fade">' + '<div v-if="state === 0" class="waiting-message">Waiting</div>' + '<div v-if="state === 2 && !winner" class="no-winner">Could not read you</div>' + '<div v-if="state === 2 && winner" class="winner" v-bind:class="[winner]">{{winner}}</div>' + '</transition>' + '</div>',
+
+ data: __WEBPACK_IMPORTED_MODULE_1__services_data__["a" /* default */].data
+}));
+
+/***/ })
+/******/ ]);
+});
\ No newline at end of file
git.r.bdr.sh / rbdr / sorting-hat-renderer / commitdiff