mirror of https://github.com/vuejs/vue.git
4630 lines
125 KiB
JavaScript
4630 lines
125 KiB
JavaScript
'use strict';
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/**
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* Convert a value to a string that is actually rendered.
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*/
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function _toString(val) {
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return val == null ? '' : typeof val === 'object' ? JSON.stringify(val, null, 2) : String(val);
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}
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/**
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* Convert a input value to a number for persistence.
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* If the conversion fails, return original string.
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*/
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function toNumber(val) {
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var n = parseFloat(val, 10);
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return n || n === 0 ? n : val;
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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function makeMap(str, expectsLowerCase) {
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var map = Object.create(null);
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var list = str.split(',');
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for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
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}
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return expectsLowerCase ? function (val) {
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return map[val.toLowerCase()];
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} : function (val) {
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return map[val];
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};
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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var isBuiltInTag = makeMap('slot,component', true);
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/**
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* Remove an item from an array
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*/
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function remove(arr, item) {
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if (arr.length) {
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var index = arr.indexOf(item);
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if (index > -1) {
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return arr.splice(index, 1);
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}
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}
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}
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/**
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* Check whether the object has the property.
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*/
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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function hasOwn(obj, key) {
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return hasOwnProperty.call(obj, key);
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}
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/**
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* Check if value is primitive
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*/
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function isPrimitive(value) {
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return typeof value === 'string' || typeof value === 'number';
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}
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/**
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* Create a cached version of a pure function.
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*/
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function cached(fn) {
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var cache = Object.create(null);
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return function cachedFn(str) {
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var hit = cache[str];
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return hit || (cache[str] = fn(str));
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};
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}
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/**
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* Camelize a hyphen-delmited string.
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*/
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var camelizeRE = /-(\w)/g;
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var camelize = cached(function (str) {
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return str.replace(camelizeRE, function (_, c) {
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return c ? c.toUpperCase() : '';
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});
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});
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/**
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* Capitalize a string.
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*/
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var capitalize = cached(function (str) {
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return str.charAt(0).toUpperCase() + str.slice(1);
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});
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/**
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* Hyphenate a camelCase string.
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*/
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var hyphenateRE = /([^-])([A-Z])/g;
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var hyphenate = cached(function (str) {
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return str.replace(hyphenateRE, '$1-$2').replace(hyphenateRE, '$1-$2').toLowerCase();
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});
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/**
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* Simple bind, faster than native
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*/
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function bind(fn, ctx) {
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function boundFn(a) {
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var l = arguments.length;
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return l ? l > 1 ? fn.apply(ctx, arguments) : fn.call(ctx, a) : fn.call(ctx);
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}
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// record original fn length
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boundFn._length = fn.length;
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return boundFn;
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}
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/**
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* Convert an Array-like object to a real Array.
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*/
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function toArray(list, start) {
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start = start || 0;
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var i = list.length - start;
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var ret = new Array(i);
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while (i--) {
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ret[i] = list[i + start];
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}
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return ret;
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}
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/**
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* Mix properties into target object.
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*/
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function extend(to, _from) {
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for (var _key in _from) {
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to[_key] = _from[_key];
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}
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return to;
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}
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/**
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* Quick object check - this is primarily used to tell
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* Objects from primitive values when we know the value
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* is a JSON-compliant type.
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*/
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function isObject(obj) {
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return obj !== null && typeof obj === 'object';
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}
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/**
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* Strict object type check. Only returns true
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* for plain JavaScript objects.
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*/
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var toString = Object.prototype.toString;
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var OBJECT_STRING = '[object Object]';
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function isPlainObject(obj) {
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return toString.call(obj) === OBJECT_STRING;
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}
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/**
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* Merge an Array of Objects into a single Object.
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*/
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function toObject(arr) {
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var res = arr[0] || {};
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for (var i = 1; i < arr.length; i++) {
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if (arr[i]) {
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extend(res, arr[i]);
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}
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}
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return res;
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}
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/**
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* Perform no operation.
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*/
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function noop() {}
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/**
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* Always return false.
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*/
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var no = function no() {
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return false;
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};
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/**
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* Generate a static keys string from compiler modules.
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*/
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function genStaticKeys(modules) {
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return modules.reduce(function (keys, m) {
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return keys.concat(m.staticKeys || []);
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}, []).join(',');
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}
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var config = {
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/**
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* Option merge strategies (used in core/util/options)
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*/
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optionMergeStrategies: Object.create(null),
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/**
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* Whether to suppress warnings.
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*/
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silent: false,
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/**
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* Whether to enable devtools
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*/
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devtools: process.env.NODE_ENV !== 'production',
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/**
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* Error handler for watcher errors
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*/
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errorHandler: null,
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/**
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* Ignore certain custom elements
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*/
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ignoredElements: null,
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/**
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* Custom user key aliases for v-on
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*/
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keyCodes: Object.create(null),
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/**
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* Check if a tag is reserved so that it cannot be registered as a
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* component. This is platform-dependent and may be overwritten.
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*/
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isReservedTag: no,
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/**
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* Check if a tag is an unknown element.
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* Platform-dependent.
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*/
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isUnknownElement: no,
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/**
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* Get the namespace of an element
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*/
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getTagNamespace: noop,
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/**
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* Check if an attribute must be bound using property, e.g. value
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* Platform-dependent.
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*/
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mustUseProp: no,
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/**
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* List of asset types that a component can own.
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*/
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_assetTypes: ['component', 'directive', 'filter'],
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/**
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* List of lifecycle hooks.
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*/
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_lifecycleHooks: ['beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated'],
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/**
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* Max circular updates allowed in a scheduler flush cycle.
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*/
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_maxUpdateCount: 100,
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/**
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* Server rendering?
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*/
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_isServer: process.env.VUE_ENV === 'server'
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};
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/**
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* Check if a string starts with $ or _
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*/
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function isReserved(str) {
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var c = (str + '').charCodeAt(0);
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return c === 0x24 || c === 0x5F;
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}
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/**
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* Define a property.
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*/
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function def(obj, key, val, enumerable) {
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Object.defineProperty(obj, key, {
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value: val,
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enumerable: !!enumerable,
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writable: true,
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configurable: true
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});
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}
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/**
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* Parse simple path.
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*/
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var bailRE = /[^\w\.\$]/;
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function parsePath(path) {
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if (bailRE.test(path)) {
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return;
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} else {
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var _ret = function () {
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var segments = path.split('.');
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return {
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v: function v(obj) {
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for (var i = 0; i < segments.length; i++) {
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if (!obj) return;
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obj = obj[segments[i]];
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}
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return obj;
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}
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};
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}();
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if (typeof _ret === "object") return _ret.v;
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}
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}
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/* global MutationObserver */
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// can we use __proto__?
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var hasProto = '__proto__' in {};
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// Browser environment sniffing
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var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';
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// detect devtools
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var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
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// UA sniffing for working around browser-specific quirks
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var UA = inBrowser && window.navigator.userAgent.toLowerCase();
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var isIos = UA && /(iphone|ipad|ipod|ios)/i.test(UA);
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var iosVersionMatch = UA && isIos && UA.match(/os ([\d_]+)/);
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var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_');
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// MutationObserver is unreliable in iOS 9.3 UIWebView
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// detecting it by checking presence of IndexedDB
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// ref #3027
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var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB;
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/**
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* Defer a task to execute it asynchronously. Ideally this
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* should be executed as a microtask, so we leverage
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* MutationObserver if it's available, and fallback to
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* setTimeout(0).
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*
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* @param {Function} cb
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* @param {Object} ctx
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*/
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var nextTick = function () {
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var callbacks = [];
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var pending = false;
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var timerFunc = void 0;
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function nextTickHandler() {
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pending = false;
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var copies = callbacks.slice(0);
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callbacks = [];
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for (var i = 0; i < copies.length; i++) {
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copies[i]();
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}
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}
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/* istanbul ignore else */
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if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) {
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(function () {
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var counter = 1;
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var observer = new MutationObserver(nextTickHandler);
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var textNode = document.createTextNode(String(counter));
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observer.observe(textNode, {
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characterData: true
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});
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timerFunc = function timerFunc() {
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counter = (counter + 1) % 2;
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textNode.data = String(counter);
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};
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})();
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} else {
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// webpack attempts to inject a shim for setImmediate
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// if it is used as a global, so we have to work around that to
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// avoid bundling unnecessary code.
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var context = inBrowser ? window : typeof global !== 'undefined' ? global : {};
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timerFunc = context.setImmediate || setTimeout;
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}
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return function (cb, ctx) {
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var func = ctx ? function () {
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cb.call(ctx);
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} : cb;
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callbacks.push(func);
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if (pending) return;
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pending = true;
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timerFunc(nextTickHandler, 0);
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};
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}();
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var _Set = void 0;
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/* istanbul ignore if */
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if (typeof Set !== 'undefined' && /native code/.test(Set.toString())) {
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// use native Set when available.
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_Set = Set;
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} else {
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// a non-standard Set polyfill that only works with primitive keys.
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_Set = function () {
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function Set() {
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this.set = Object.create(null);
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}
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Set.prototype.has = function has(key) {
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return this.set[key] !== undefined;
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};
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Set.prototype.add = function add(key) {
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this.set[key] = 1;
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};
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Set.prototype.clear = function clear() {
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this.set = Object.create(null);
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};
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return Set;
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}();
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}
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var hasProxy = void 0;
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var proxyHandlers = void 0;
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var initProxy = void 0;
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if (process.env.NODE_ENV !== 'production') {
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(function () {
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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,__webpack_require__' // for Webpack/Browserify
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);
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hasProxy = typeof Proxy !== 'undefined' && Proxy.toString().match(/native code/);
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proxyHandlers = {
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has: function has(target, key) {
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var has = key in target;
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var isAllowedGlobal = allowedGlobals(key);
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if (!has && !isAllowedGlobal) {
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warn('Trying to access non-existent property "' + key + '" while rendering. ' + 'Make sure to declare reactive data properties in the data option.', target);
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}
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return !isAllowedGlobal;
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}
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};
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initProxy = function initProxy(vm) {
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if (hasProxy) {
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vm._renderProxy = new Proxy(vm, proxyHandlers);
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} else {
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vm._renderProxy = vm;
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}
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};
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})();
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}
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var uid$2 = 0;
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/**
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* A dep is an observable that can have multiple
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* directives subscribing to it.
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*/
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var Dep = function () {
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function Dep() {
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this.id = uid$2++;
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this.subs = [];
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}
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Dep.prototype.addSub = function addSub(sub) {
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this.subs.push(sub);
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};
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Dep.prototype.removeSub = function removeSub(sub) {
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remove(this.subs, sub);
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};
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Dep.prototype.depend = function depend() {
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if (Dep.target) {
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Dep.target.addDep(this);
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}
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};
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Dep.prototype.notify = function notify() {
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// stablize the subscriber list first
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var subs = this.subs.slice();
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for (var i = 0, l = subs.length; i < l; i++) {
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subs[i].update();
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}
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};
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return Dep;
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}();
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Dep.target = null;
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var targetStack = [];
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function pushTarget(_target) {
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if (Dep.target) targetStack.push(Dep.target);
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Dep.target = _target;
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}
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function popTarget() {
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Dep.target = targetStack.pop();
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}
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// We have two separate queues: one for internal component re-render updates
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// and one for user watcher registered via $watch(). We want to guarantee
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// re-render updates to be called before user watchers so that when user
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// watchers are triggered, the DOM would already be in updated state.
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var queue = [];
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var userQueue = [];
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var has = {};
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var circular = {};
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var waiting = false;
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var flushing = false;
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var index = 0;
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/**
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* Reset the scheduler's state.
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*/
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function resetSchedulerState() {
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queue.length = 0;
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userQueue.length = 0;
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has = {};
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if (process.env.NODE_ENV !== 'production') {
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circular = {};
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}
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waiting = flushing = false;
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}
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/**
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* Flush both queues and run the watchers.
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*/
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function flushSchedulerQueue() {
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flushing = true;
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runSchedulerQueue(queue.sort(queueSorter));
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runSchedulerQueue(userQueue);
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// user watchers triggered more watchers,
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// keep flushing until it depletes
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if (queue.length) {
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return flushSchedulerQueue();
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}
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|
// devtool hook
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|
/* istanbul ignore if */
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if (devtools && config.devtools) {
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devtools.emit('flush');
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}
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resetSchedulerState();
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}
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/**
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* Sort queue before flush.
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* This ensures components are updated from parent to child
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* so there will be no duplicate updates, e.g. a child was
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* pushed into the queue first and then its parent's props
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* changed.
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*/
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function queueSorter(a, b) {
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return a.id - b.id;
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}
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/**
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* Run the watchers in a single queue.
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*/
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function runSchedulerQueue(queue) {
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// do not cache length because more watchers might be pushed
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// as we run existing watchers
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for (index = 0; index < queue.length; index++) {
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var watcher = queue[index];
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var id = watcher.id;
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has[id] = null;
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watcher.run();
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// in dev build, check and stop circular updates.
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if (process.env.NODE_ENV !== 'production' && has[id] != null) {
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circular[id] = (circular[id] || 0) + 1;
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if (circular[id] > config._maxUpdateCount) {
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warn('You may have an infinite update loop ' + (watcher.user ? 'in watcher with expression "' + watcher.expression + '"' : 'in a component render function.'), watcher.vm);
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break;
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}
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}
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}
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queue.length = 0;
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}
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/**
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* Push a watcher into the watcher queue.
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* Jobs with duplicate IDs will be skipped unless it's
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* pushed when the queue is being flushed.
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*/
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|
function queueWatcher(watcher) {
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var id = watcher.id;
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if (has[id] == null) {
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// push watcher into appropriate queue
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var q = watcher.user ? userQueue : queue;
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has[id] = true;
|
|
if (!flushing) {
|
|
q.push(watcher);
|
|
} else {
|
|
var i = q.length - 1;
|
|
while (i >= 0 && q[i].id > watcher.id) {
|
|
i--;
|
|
}
|
|
q.splice(Math.max(i, index) + 1, 0, watcher);
|
|
}
|
|
// queue the flush
|
|
if (!waiting) {
|
|
waiting = true;
|
|
nextTick(flushSchedulerQueue);
|
|
}
|
|
}
|
|
}
|
|
|
|
var uid$1 = 0;
|
|
|
|
/**
|
|
* A watcher parses an expression, collects dependencies,
|
|
* and fires callback when the expression value changes.
|
|
* This is used for both the $watch() api and directives.
|
|
*/
|
|
|
|
var Watcher = function () {
|
|
function Watcher(vm, expOrFn, cb) {
|
|
var options = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
|
|
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
// options
|
|
this.deep = !!options.deep;
|
|
this.user = !!options.user;
|
|
this.lazy = !!options.lazy;
|
|
this.sync = !!options.sync;
|
|
this.expression = expOrFn.toString();
|
|
this.cb = cb;
|
|
this.id = ++uid$1; // uid for batching
|
|
this.active = true;
|
|
this.dirty = this.lazy; // for lazy watchers
|
|
this.deps = [];
|
|
this.newDeps = [];
|
|
this.depIds = new _Set();
|
|
this.newDepIds = new _Set();
|
|
// parse expression for getter
|
|
if (typeof expOrFn === 'function') {
|
|
this.getter = expOrFn;
|
|
} else {
|
|
this.getter = parsePath(expOrFn);
|
|
if (!this.getter) {
|
|
this.getter = function () {};
|
|
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 = this.getter.call(this.vm, this.vm);
|
|
// "touch" every property so they are all tracked as
|
|
// dependencies for deep watching
|
|
if (this.deep) {
|
|
traverse(value);
|
|
}
|
|
popTarget();
|
|
this.cleanupDeps();
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* Add a dependency to this directive.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.addDep = function addDep(dep) {
|
|
var id = dep.id;
|
|
if (!this.newDepIds.has(id)) {
|
|
this.newDepIds.add(id);
|
|
this.newDeps.push(dep);
|
|
if (!this.depIds.has(id)) {
|
|
dep.addSub(this);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clean up for dependency collection.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.cleanupDeps = function cleanupDeps() {
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
var dep = this.deps[i];
|
|
if (!this.newDepIds.has(dep.id)) {
|
|
dep.removeSub(this);
|
|
}
|
|
}
|
|
var tmp = this.depIds;
|
|
this.depIds = this.newDepIds;
|
|
this.newDepIds = tmp;
|
|
this.newDepIds.clear();
|
|
tmp = this.deps;
|
|
this.deps = this.newDeps;
|
|
this.newDeps = tmp;
|
|
this.newDeps.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Subscriber interface.
|
|
* Will be called when a dependency changes.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.update = function update() {
|
|
/* istanbul ignore else */
|
|
if (this.lazy) {
|
|
this.dirty = true;
|
|
} else if (this.sync) {
|
|
this.run();
|
|
} else {
|
|
queueWatcher(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Scheduler job interface.
|
|
* Will be called by the scheduler.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.run = function run() {
|
|
if (this.active) {
|
|
var value = this.get();
|
|
if (value !== this.value ||
|
|
// Deep watchers and watchers on Object/Arrays should fire even
|
|
// when the value is the same, because the value may
|
|
// have mutated.
|
|
isObject(value) || this.deep) {
|
|
// set new value
|
|
var oldValue = this.value;
|
|
this.value = value;
|
|
if (this.user) {
|
|
try {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
} catch (e) {
|
|
process.env.NODE_ENV !== 'production' && warn('Error in watcher "' + this.expression + '"', this.vm);
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, this.vm);
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
} else {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Evaluate the value of the watcher.
|
|
* This only gets called for lazy watchers.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.evaluate = function evaluate() {
|
|
this.value = this.get();
|
|
this.dirty = false;
|
|
};
|
|
|
|
/**
|
|
* Depend on all deps collected by this watcher.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.depend = function depend() {
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subcriber list.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.teardown = function teardown() {
|
|
if (this.active) {
|
|
// remove self from vm's watcher list
|
|
// this is a somewhat expensive operation so we skip it
|
|
// if the vm is being destroyed or is performing a v-for
|
|
// re-render (the watcher list is then filtered by v-for).
|
|
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
|
|
remove(this.vm._watchers, this);
|
|
}
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].removeSub(this);
|
|
}
|
|
this.active = false;
|
|
}
|
|
};
|
|
|
|
return Watcher;
|
|
}();
|
|
|
|
var seenObjects = new _Set();
|
|
function traverse(val, seen) {
|
|
var i = void 0,
|
|
keys = void 0;
|
|
if (!seen) {
|
|
seen = seenObjects;
|
|
seen.clear();
|
|
}
|
|
var isA = Array.isArray(val);
|
|
var isO = isObject(val);
|
|
if ((isA || isO) && Object.isExtensible(val)) {
|
|
if (val.__ob__) {
|
|
var depId = val.__ob__.dep.id;
|
|
if (seen.has(depId)) {
|
|
return;
|
|
} else {
|
|
seen.add(depId);
|
|
}
|
|
}
|
|
if (isA) {
|
|
i = val.length;
|
|
while (i--) {
|
|
traverse(val[i], seen);
|
|
}
|
|
} else if (isO) {
|
|
keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) {
|
|
traverse(val[keys[i]], seen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto)
|
|
|
|
/**
|
|
* Intercept mutating methods and emit events
|
|
*/
|
|
;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator() {
|
|
// avoid leaking arguments:
|
|
// http://jsperf.com/closure-with-arguments
|
|
var i = arguments.length;
|
|
var args = new Array(i);
|
|
while (i--) {
|
|
args[i] = arguments[i];
|
|
}
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted = void 0;
|
|
switch (method) {
|
|
case 'push':
|
|
inserted = args;
|
|
break;
|
|
case 'unshift':
|
|
inserted = args;
|
|
break;
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break;
|
|
}
|
|
if (inserted) ob.observeArray(inserted);
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result;
|
|
});
|
|
});
|
|
|
|
var 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,
|
|
isSettingProps: false
|
|
};
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*/
|
|
var Observer = function () {
|
|
// number of vms that has this object as root $data
|
|
|
|
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 val = this.value;
|
|
for (var key in obj) {
|
|
defineReactive(val, key, obj[key]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 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]);
|
|
}
|
|
};
|
|
|
|
return Observer;
|
|
}();
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment(target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment an target Object or Array by defining
|
|
* hidden properties.
|
|
*
|
|
* istanbul ignore next
|
|
*/
|
|
function copyAugment(target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe(value) {
|
|
if (!isObject(value)) {
|
|
return;
|
|
}
|
|
var ob = void 0;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (observerState.shouldConvert && !config._isServer && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
|
|
ob = new Observer(value);
|
|
}
|
|
return ob;
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive(obj, key, val, customSetter) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return;
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
|
|
var childOb = observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter() {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
}
|
|
if (Array.isArray(value)) {
|
|
for (var e, i = 0, l = value.length; i < l; i++) {
|
|
e = value[i];
|
|
e && e.__ob__ && e.__ob__.dep.depend();
|
|
}
|
|
}
|
|
}
|
|
return value;
|
|
},
|
|
set: function reactiveSetter(newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (newVal === value) {
|
|
return;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
|
customSetter();
|
|
}
|
|
if (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = 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(obj, key, val) {
|
|
if (Array.isArray(obj)) {
|
|
obj.splice(key, 1, val);
|
|
return val;
|
|
}
|
|
if (hasOwn(obj, key)) {
|
|
obj[key] = val;
|
|
return;
|
|
}
|
|
var ob = obj.__ob__;
|
|
if (obj._isVue || ob && ob.vmCount) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid adding reactive properties to a Vue instance or its root $data ' + 'at runtime - delcare it upfront in the data option.');
|
|
return;
|
|
}
|
|
if (!ob) {
|
|
obj[key] = val;
|
|
return;
|
|
}
|
|
defineReactive(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val;
|
|
}
|
|
|
|
/**
|
|
* Delete a property and trigger change if necessary.
|
|
*/
|
|
function del(obj, key) {
|
|
var ob = obj.__ob__;
|
|
if (obj._isVue || ob && ob.vmCount) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid deleting properties on a Vue instance or its root $data ' + '- just set it to null.');
|
|
return;
|
|
}
|
|
if (!hasOwn(obj, key)) {
|
|
return;
|
|
}
|
|
delete obj[key];
|
|
if (!ob) {
|
|
return;
|
|
}
|
|
ob.dep.notify();
|
|
}
|
|
|
|
function initState(vm) {
|
|
vm._watchers = [];
|
|
initProps(vm);
|
|
initData(vm);
|
|
initComputed(vm);
|
|
initMethods(vm);
|
|
initWatch(vm);
|
|
}
|
|
|
|
function initProps(vm) {
|
|
var props = vm.$options.props;
|
|
var propsData = vm.$options.propsData;
|
|
if (props) {
|
|
var keys = vm.$options._propKeys = Object.keys(props);
|
|
var isRoot = !vm.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
|
|
var _loop = function _loop(i) {
|
|
var key = keys[i];
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
defineReactive(vm, key, validateProp(key, props, propsData, vm), function () {
|
|
if (vm.$parent && !observerState.isSettingProps) {
|
|
warn('Avoid mutating a prop directly since the value will be ' + 'overwritten whenever the parent component re-renders. ' + 'Instead, use a data or computed property based on the prop\'s ' + ('value. Prop being mutated: "' + key + '"'), vm);
|
|
}
|
|
});
|
|
} else {
|
|
defineReactive(vm, key, validateProp(key, props, propsData, vm));
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
_loop(i);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
}
|
|
}
|
|
|
|
function initData(vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function' ? data.call(vm) : data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn('data functions should return an object.', vm);
|
|
}
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var props = vm.$options.props;
|
|
var i = keys.length;
|
|
while (i--) {
|
|
if (props && hasOwn(props, keys[i])) {
|
|
process.env.NODE_ENV !== 'production' && warn('The data property "' + keys[i] + '" is already declared as a prop. ' + 'Use prop default value instead.', vm);
|
|
} else {
|
|
proxy(vm, keys[i]);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data);
|
|
data.__ob__ && data.__ob__.vmCount++;
|
|
}
|
|
|
|
var computedSharedDefinition = {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: noop,
|
|
set: noop
|
|
};
|
|
|
|
function initComputed(vm) {
|
|
var computed = vm.$options.computed;
|
|
if (computed) {
|
|
for (var _key in computed) {
|
|
var userDef = computed[_key];
|
|
if (typeof userDef === 'function') {
|
|
computedSharedDefinition.get = makeComputedGetter(userDef, vm);
|
|
computedSharedDefinition.set = noop;
|
|
} else {
|
|
computedSharedDefinition.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, vm) : bind(userDef.get, vm) : noop;
|
|
computedSharedDefinition.set = userDef.set ? bind(userDef.set, vm) : noop;
|
|
}
|
|
Object.defineProperty(vm, _key, computedSharedDefinition);
|
|
}
|
|
}
|
|
}
|
|
|
|
function makeComputedGetter(getter, owner) {
|
|
var watcher = new Watcher(owner, getter, noop, {
|
|
lazy: true
|
|
});
|
|
return function computedGetter() {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value;
|
|
};
|
|
}
|
|
|
|
function initMethods(vm) {
|
|
var methods = vm.$options.methods;
|
|
if (methods) {
|
|
for (var _key2 in methods) {
|
|
vm[_key2] = bind(methods[_key2], vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWatch(vm) {
|
|
var watch = vm.$options.watch;
|
|
if (watch) {
|
|
for (var _key3 in watch) {
|
|
var handler = watch[_key3];
|
|
if (Array.isArray(handler)) {
|
|
for (var i = 0; i < handler.length; i++) {
|
|
createWatcher(vm, _key3, handler[i]);
|
|
}
|
|
} else {
|
|
createWatcher(vm, _key3, handler);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function createWatcher(vm, key, handler) {
|
|
var options = void 0;
|
|
if (isPlainObject(handler)) {
|
|
options = handler;
|
|
handler = handler.handler;
|
|
}
|
|
if (typeof handler === 'string') {
|
|
handler = vm[handler];
|
|
}
|
|
vm.$watch(key, 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;
|
|
};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
dataDef.set = function (newData) {
|
|
warn('Avoid replacing instance root $data. ' + 'Use nested data properties instead.', this);
|
|
};
|
|
}
|
|
Object.defineProperty(Vue.prototype, '$data', dataDef);
|
|
|
|
Vue.prototype.$watch = function (expOrFn, cb, options) {
|
|
var vm = this;
|
|
options = options || {};
|
|
options.user = true;
|
|
var watcher = new Watcher(vm, expOrFn, cb, options);
|
|
if (options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn() {
|
|
watcher.teardown();
|
|
};
|
|
};
|
|
}
|
|
|
|
function proxy(vm, key) {
|
|
if (!isReserved(key)) {
|
|
Object.defineProperty(vm, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function proxyGetter() {
|
|
return vm._data[key];
|
|
},
|
|
set: function proxySetter(val) {
|
|
vm._data[key] = val;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
var VNode = function VNode(tag, data, children, text, elm, ns, context, host, componentOptions) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = ns;
|
|
this.context = context;
|
|
this.host = host;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.child = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
// apply construct hook.
|
|
// this is applied during render, before patch happens.
|
|
// unlike other hooks, this is applied on both client and server.
|
|
var constructHook = data && data.hook && data.hook.construct;
|
|
if (constructHook) {
|
|
constructHook(this);
|
|
}
|
|
};
|
|
|
|
var emptyVNode = function emptyVNode() {
|
|
return new VNode(undefined, undefined, undefined, '');
|
|
};
|
|
|
|
function normalizeChildren(children, ns) {
|
|
// invoke children thunks.
|
|
// components always receive their children as thunks so that they
|
|
// can perform the actual render inside their own dependency collection cycle.
|
|
if (typeof children === 'function') {
|
|
children = children();
|
|
}
|
|
if (isPrimitive(children)) {
|
|
return [createTextVNode(children)];
|
|
}
|
|
if (Array.isArray(children)) {
|
|
var res = [];
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
var c = children[i];
|
|
var last = res[res.length - 1];
|
|
// nested
|
|
if (Array.isArray(c)) {
|
|
res.push.apply(res, normalizeChildren(c, ns));
|
|
} else if (isPrimitive(c)) {
|
|
if (last && last.text) {
|
|
last.text += String(c);
|
|
} else {
|
|
// convert primitive to vnode
|
|
res.push(createTextVNode(c));
|
|
}
|
|
} else if (c instanceof VNode) {
|
|
if (c.text && last && last.text) {
|
|
last.text += c.text;
|
|
} else {
|
|
// inherit parent namespace
|
|
if (ns) {
|
|
applyNS(c, ns);
|
|
}
|
|
res.push(c);
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
}
|
|
|
|
function createTextVNode(val) {
|
|
return new VNode(undefined, undefined, undefined, String(val));
|
|
}
|
|
|
|
function applyNS(vnode, ns) {
|
|
if (vnode.tag && !vnode.ns) {
|
|
vnode.ns = ns;
|
|
if (vnode.children) {
|
|
for (var i = 0, l = vnode.children.length; i < l; i++) {
|
|
applyNS(vnode.children[i], ns);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// in case the child is also an abstract component, e.g. <transition-control>
|
|
// we want to recrusively retrieve the real component to be rendered
|
|
function getRealChild(vnode) {
|
|
var compOptions = vnode && vnode.componentOptions;
|
|
if (compOptions && compOptions.Ctor.options._abstract) {
|
|
return getRealChild(compOptions.propsData && compOptions.propsData.child);
|
|
} else {
|
|
return vnode;
|
|
}
|
|
}
|
|
|
|
function mergeVNodeHook(def, key, hook) {
|
|
var oldHook = def[key];
|
|
if (oldHook) {
|
|
def[key] = function () {
|
|
oldHook.apply(this, arguments);
|
|
hook.apply(this, arguments);
|
|
};
|
|
} else {
|
|
def[key] = hook;
|
|
}
|
|
}
|
|
|
|
function updateListeners(on, oldOn, add, remove) {
|
|
var name = void 0,
|
|
cur = void 0,
|
|
old = void 0,
|
|
fn = void 0,
|
|
event = void 0,
|
|
capture = void 0;
|
|
for (name in on) {
|
|
cur = on[name];
|
|
old = oldOn[name];
|
|
if (!old) {
|
|
capture = name.charAt(0) === '!';
|
|
event = capture ? name.slice(1) : name;
|
|
if (Array.isArray(cur)) {
|
|
add(event, cur.invoker = arrInvoker(cur), capture);
|
|
} else {
|
|
fn = cur;
|
|
cur = on[name] = {};
|
|
cur.fn = fn;
|
|
add(event, cur.invoker = fnInvoker(cur), capture);
|
|
}
|
|
} else if (Array.isArray(old)) {
|
|
old.length = cur.length;
|
|
for (var i = 0; i < old.length; i++) {
|
|
old[i] = cur[i];
|
|
}on[name] = old;
|
|
} else {
|
|
old.fn = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (!on[name]) {
|
|
event = name.charAt(0) === '!' ? name.slice(1) : name;
|
|
remove(event, oldOn[name].invoker);
|
|
}
|
|
}
|
|
}
|
|
|
|
function arrInvoker(arr) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
for (var i = 0; i < arr.length; i++) {
|
|
single ? arr[i](ev) : arr[i].apply(null, arguments);
|
|
}
|
|
};
|
|
}
|
|
|
|
function fnInvoker(o) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
single ? o.fn(ev) : o.fn.apply(null, arguments);
|
|
};
|
|
}
|
|
|
|
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.$refs = {};
|
|
|
|
vm._watcher = null;
|
|
vm._inactive = false;
|
|
vm._isMounted = false;
|
|
vm._isDestroyed = false;
|
|
vm._isBeingDestroyed = false;
|
|
}
|
|
|
|
function lifecycleMixin(Vue) {
|
|
Vue.prototype._mount = function (el, hydrating) {
|
|
var vm = this;
|
|
vm.$el = el;
|
|
if (!vm.$options.render) {
|
|
vm.$options.render = emptyVNode;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
/* istanbul ignore if */
|
|
if (vm.$options.template) {
|
|
warn('You are using the runtime-only build of Vue where the template ' + 'option is not available. Either pre-compile the templates into ' + 'render functions, or use the compiler-included build.', vm);
|
|
} else {
|
|
warn('Failed to mount component: template or render function not defined.', vm);
|
|
}
|
|
}
|
|
}
|
|
callHook(vm, 'beforeMount');
|
|
vm._watcher = new Watcher(vm, function () {
|
|
vm._update(vm._render(), hydrating);
|
|
}, noop);
|
|
hydrating = false;
|
|
// root instance, call mounted on self
|
|
// mounted is called for child components in its inserted hook
|
|
if (vm.$root === vm) {
|
|
vm._isMounted = true;
|
|
callHook(vm, 'mounted');
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype._update = function (vnode, hydrating) {
|
|
var vm = this;
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'beforeUpdate');
|
|
}
|
|
var prevEl = vm.$el;
|
|
if (!vm._vnode) {
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
vm.$el = vm.__patch__(vm.$el, vnode, hydrating);
|
|
} else {
|
|
vm.$el = vm.__patch__(vm._vnode, vnode);
|
|
}
|
|
vm._vnode = vnode;
|
|
// 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;
|
|
}
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'updated');
|
|
}
|
|
};
|
|
|
|
Vue.prototype._updateFromParent = function (propsData, listeners, parentVnode, renderChildren) {
|
|
var vm = this;
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$options._renderChildren = renderChildren;
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
observerState.shouldConvert = false;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = true;
|
|
}
|
|
var propKeys = vm.$options._propKeys || [];
|
|
for (var i = 0; i < propKeys.length; i++) {
|
|
var key = propKeys[i];
|
|
vm[key] = validateProp(key, vm.$options.props, propsData, vm);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
vm._updateListeners(listeners, oldListeners);
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$forceUpdate = function () {
|
|
var vm = this;
|
|
if (vm._watcher) {
|
|
vm._watcher.update();
|
|
}
|
|
if (vm._watchers.length) {
|
|
for (var i = 0; i < vm._watchers.length; i++) {
|
|
vm._watchers[i].update(true /* shallow */);
|
|
}
|
|
}
|
|
};
|
|
|
|
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;
|
|
callHook(vm, 'destroyed');
|
|
// turn off all instance listeners.
|
|
vm.$off();
|
|
// remove __vue__ reference
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
function callHook(vm, hook) {
|
|
vm.$emit('pre-hook:' + hook);
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
handlers[i].call(vm);
|
|
}
|
|
}
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
|
|
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy };
|
|
var hooksToMerge = Object.keys(hooks);
|
|
|
|
function createComponent(Ctor, data, parent, context, host, _children, tag) {
|
|
// ensure children is a thunk
|
|
if (process.env.NODE_ENV !== 'production' && _children && typeof _children !== 'function') {
|
|
warn('A component\'s children should be a function that returns the ' + 'children array. This allows the component to track the children ' + 'dependencies and optimizes re-rendering.');
|
|
}
|
|
|
|
if (!Ctor) {
|
|
return;
|
|
}
|
|
|
|
if (isObject(Ctor)) {
|
|
Ctor = Vue.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Invalid Component definition: ' + Ctor, parent);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// async component
|
|
if (!Ctor.cid) {
|
|
if (Ctor.resolved) {
|
|
Ctor = Ctor.resolved;
|
|
} else {
|
|
Ctor = resolveAsyncComponent(Ctor, function () {
|
|
// it's ok to queue this on every render because
|
|
// $forceUpdate is buffered. this is only called
|
|
// if the
|
|
parent.$forceUpdate();
|
|
});
|
|
if (!Ctor) {
|
|
// return nothing if this is indeed an async component
|
|
// wait for the callback to trigger parent update.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
data = data || {};
|
|
|
|
// extract props
|
|
var propsData = extractProps(data, Ctor);
|
|
|
|
// functional component
|
|
if (Ctor.options.functional) {
|
|
var _ret = function () {
|
|
var props = {};
|
|
var propOptions = Ctor.options.props;
|
|
if (propOptions) {
|
|
Object.keys(propOptions).forEach(function (key) {
|
|
props[key] = validateProp(key, propOptions, propsData);
|
|
});
|
|
}
|
|
return {
|
|
v: Ctor.options.render.call(null, parent.$createElement, { props: props, parent: parent, data: data, children: function children() {
|
|
return normalizeChildren(_children);
|
|
} })
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
if (listeners) {
|
|
delete data.on;
|
|
}
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode('vue-component-' + Ctor.cid + (name ? '-' + name : ''), data, undefined, undefined, undefined, undefined, context, host, { Ctor: Ctor, propsData: propsData, listeners: listeners, parent: parent, tag: tag, children: _children });
|
|
return vnode;
|
|
}
|
|
|
|
function createComponentInstanceForVnode(vnode // we know it's MountedComponentVNode but flow doesn't
|
|
) {
|
|
var vnodeComponentOptions = vnode.componentOptions;
|
|
var options = {
|
|
_isComponent: true,
|
|
parent: vnodeComponentOptions.parent,
|
|
propsData: vnodeComponentOptions.propsData,
|
|
_componentTag: vnodeComponentOptions.tag,
|
|
_parentVnode: vnode,
|
|
_parentListeners: vnodeComponentOptions.listeners,
|
|
_renderChildren: vnodeComponentOptions.children
|
|
};
|
|
// check inline-template render functions
|
|
var inlineTemplate = vnode.data.inlineTemplate;
|
|
if (inlineTemplate) {
|
|
options.render = inlineTemplate.render;
|
|
options.staticRenderFns = inlineTemplate.staticRenderFns;
|
|
}
|
|
return new vnodeComponentOptions.Ctor(options);
|
|
}
|
|
|
|
function init(vnode, hydrating) {
|
|
if (!vnode.child) {
|
|
var child = vnode.child = createComponentInstanceForVnode(vnode);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
}
|
|
}
|
|
|
|
function prepatch(oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
vnode.child = oldVnode.child;
|
|
vnode.child._updateFromParent(options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
}
|
|
|
|
function insert(vnode) {
|
|
if (!vnode.child._isMounted) {
|
|
vnode.child._isMounted = true;
|
|
callHook(vnode.child, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
vnode.child._inactive = false;
|
|
callHook(vnode.child, 'activated');
|
|
}
|
|
}
|
|
|
|
function destroy(vnode) {
|
|
if (!vnode.child._isDestroyed) {
|
|
if (!vnode.data.keepAlive) {
|
|
vnode.child.$destroy();
|
|
} else {
|
|
vnode.child._inactive = true;
|
|
callHook(vnode.child, 'deactivated');
|
|
}
|
|
}
|
|
}
|
|
|
|
function resolveAsyncComponent(factory, cb) {
|
|
if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
var _ret2 = function () {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
var sync = true;
|
|
factory(
|
|
// resolve
|
|
function (res) {
|
|
if (isObject(res)) {
|
|
res = Vue.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}
|
|
},
|
|
// reject
|
|
function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component: ' + factory + (reason ? '\nReason: ' + reason : ''));
|
|
});
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return {
|
|
v: factory.resolved
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret2 === "object") return _ret2.v;
|
|
}
|
|
}
|
|
|
|
function extractProps(data, Ctor) {
|
|
// we are only extrating raw values here.
|
|
// validation and default values are handled in the child
|
|
// component itself.
|
|
var propOptions = Ctor.options.props;
|
|
if (!propOptions) {
|
|
return;
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
var staticAttrs = data.staticAttrs;
|
|
if (!attrs && !props && !staticAttrs) {
|
|
return res;
|
|
}
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
checkProp(res, attrs, key, altKey) || checkProp(res, props, key, altKey) || checkProp(res, staticAttrs, key, altKey);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function checkProp(res, hash, key, altKey) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
delete hash[key];
|
|
return true;
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
delete hash[altKey];
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function mergeHooks(data) {
|
|
if (!data.hook) {
|
|
data.hook = {};
|
|
}
|
|
for (var i = 0; i < hooksToMerge.length; i++) {
|
|
var key = hooksToMerge[i];
|
|
var fromParent = data.hook[key];
|
|
var ours = hooks[key];
|
|
data.hook[key] = fromParent ? mergeHook$1(ours, fromParent) : ours;
|
|
}
|
|
}
|
|
|
|
function mergeHook$1(a, b) {
|
|
// since all hooks have at most two args, use fixed args
|
|
// to avoid having to use fn.apply().
|
|
return function (_, __) {
|
|
a(_, __);
|
|
b(_, __);
|
|
};
|
|
}
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement(tag, data, children) {
|
|
if (data && (Array.isArray(data) || typeof data !== 'object')) {
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
// make sure to use real instance instead of proxy as context
|
|
return _createElement(this._self, tag, data, children);
|
|
}
|
|
|
|
function _createElement(context, tag, data, children) {
|
|
var parent = renderState.activeInstance;
|
|
var host = context !== parent ? parent : undefined;
|
|
if (!parent) {
|
|
process.env.NODE_ENV !== 'production' && warn('createElement cannot be called outside of component ' + 'render functions.');
|
|
return;
|
|
}
|
|
if (data && data.__ob__) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid using observed data object as vnode data: ' + JSON.stringify(data) + '\n' + 'Always create fresh vnode data objects in each render!', context);
|
|
return;
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return emptyVNode();
|
|
}
|
|
if (typeof tag === 'string') {
|
|
var Ctor = void 0;
|
|
var ns = config.getTagNamespace(tag);
|
|
if (config.isReservedTag(tag)) {
|
|
// platform built-in elements
|
|
return new VNode(tag, data, normalizeChildren(children, ns), undefined, undefined, ns, context, host);
|
|
} else if (Ctor = resolveAsset(context.$options, 'components', tag)) {
|
|
// component
|
|
return createComponent(Ctor, data, parent, context, host, children, tag);
|
|
} else {
|
|
// unknown or unlisted namespaced elements
|
|
// check at runtime because it may get assigned a namespace when its
|
|
// parent normalizes children
|
|
return new VNode(tag, data, normalizeChildren(children, ns), undefined, undefined, ns, context, host);
|
|
}
|
|
} else {
|
|
// direct component options / constructor
|
|
return createComponent(tag, data, parent, context, host, children);
|
|
}
|
|
}
|
|
|
|
var renderState = {
|
|
activeInstance: null
|
|
};
|
|
|
|
function initRender(vm) {
|
|
vm.$vnode = null; // the placeholder node in parent tree
|
|
vm._vnode = null; // the root of the child tree
|
|
vm._staticTrees = null;
|
|
vm.$slots = {};
|
|
// bind the public createElement fn to this instance
|
|
// so that we get proper render context inside it.
|
|
vm.$createElement = bind(createElement, vm);
|
|
if (vm.$options.el) {
|
|
vm.$mount(vm.$options.el);
|
|
}
|
|
}
|
|
|
|
function renderMixin(Vue) {
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
nextTick(fn, this);
|
|
};
|
|
|
|
Vue.prototype._render = function () {
|
|
var vm = this;
|
|
|
|
// set current active instance
|
|
var prev = renderState.activeInstance;
|
|
renderState.activeInstance = vm;
|
|
|
|
var _vm$$options = vm.$options;
|
|
var render = _vm$$options.render;
|
|
var staticRenderFns = _vm$$options.staticRenderFns;
|
|
var _renderChildren = _vm$$options._renderChildren;
|
|
var _parentVnode = _vm$$options._parentVnode;
|
|
|
|
|
|
if (staticRenderFns && !vm._staticTrees) {
|
|
vm._staticTrees = [];
|
|
}
|
|
// set parent vnode. this allows render functions to have access
|
|
// to the data on the placeholder node.
|
|
vm.$vnode = _parentVnode;
|
|
// resolve slots. becaues slots are rendered in parent scope,
|
|
// we set the activeInstance to parent.
|
|
if (_renderChildren) {
|
|
resolveSlots(vm, _renderChildren);
|
|
}
|
|
// render self
|
|
var vnode = void 0;
|
|
try {
|
|
vnode = render.call(vm._renderProxy, vm.$createElement);
|
|
} catch (e) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Error when rendering ' + formatComponentName(vm) + ':');
|
|
}
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, vm);
|
|
} else {
|
|
if (config._isServer) {
|
|
throw e;
|
|
} else {
|
|
setTimeout(function () {
|
|
throw e;
|
|
}, 0);
|
|
}
|
|
}
|
|
// return previous vnode to prevent render error causing blank component
|
|
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 = emptyVNode();
|
|
}
|
|
// set parent
|
|
vnode.parent = _parentVnode;
|
|
// restore render state
|
|
renderState.activeInstance = prev;
|
|
return vnode;
|
|
};
|
|
|
|
// shorthands used in render functions
|
|
Vue.prototype._h = createElement;
|
|
// toString for mustaches
|
|
Vue.prototype._s = _toString;
|
|
// number conversion
|
|
Vue.prototype._n = toNumber;
|
|
|
|
//
|
|
Vue.prototype._m = function renderStatic(index) {
|
|
return this._staticTrees[index] || (this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy));
|
|
};
|
|
|
|
// filter resolution helper
|
|
var identity = function identity(_) {
|
|
return _;
|
|
};
|
|
Vue.prototype._f = function resolveFilter(id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity;
|
|
};
|
|
|
|
// render v-for
|
|
Vue.prototype._l = function renderList(val, render) {
|
|
var ret = void 0,
|
|
i = void 0,
|
|
l = void 0,
|
|
keys = void 0,
|
|
key = void 0;
|
|
if (Array.isArray(val)) {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
ret = new Array(val);
|
|
for (i = 0; i < val; i++) {
|
|
ret[i] = render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
ret = new Array(keys.length);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret[i] = render(val[key], key, i);
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
// apply v-bind object
|
|
Vue.prototype._b = function bindProps(vnode, value) {
|
|
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 data = vnode.data;
|
|
for (var key in value) {
|
|
var hash = config.mustUseProp(key) ? data.props || (data.props = {}) : data.attrs || (data.attrs = {});
|
|
hash[key] = value[key];
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// expose v-on keyCodes
|
|
Vue.prototype._k = function getKeyCodes(key) {
|
|
return config.keyCodes[key];
|
|
};
|
|
}
|
|
|
|
function resolveSlots(vm, renderChildren) {
|
|
var slots = vm.$slots = {};
|
|
var children = normalizeChildren(renderChildren) || [];
|
|
var defaultSlot = [];
|
|
var name = void 0,
|
|
child = void 0;
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
child = children[i];
|
|
if (child.data && (name = child.data.slot)) {
|
|
delete child.data.slot;
|
|
var slot = slots[name] || (slots[name] = []);
|
|
if (child.tag === 'template') {
|
|
slot.push.apply(slot, child.children);
|
|
} else {
|
|
slot.push(child);
|
|
}
|
|
} else {
|
|
defaultSlot.push(child);
|
|
}
|
|
}
|
|
// ignore single whitespace
|
|
if (defaultSlot.length && !(defaultSlot.length === 1 && defaultSlot[0].text === ' ')) {
|
|
slots.default = defaultSlot;
|
|
}
|
|
}
|
|
|
|
function initEvents(vm) {
|
|
vm._events = Object.create(null);
|
|
// init parent attached events
|
|
var listeners = vm.$options._parentListeners;
|
|
var on = bind(vm.$on, vm);
|
|
var off = bind(vm.$off, vm);
|
|
vm._updateListeners = function (listeners, oldListeners) {
|
|
updateListeners(listeners, oldListeners || {}, on, off);
|
|
};
|
|
if (listeners) {
|
|
vm._updateListeners(listeners);
|
|
}
|
|
}
|
|
|
|
function eventsMixin(Vue) {
|
|
Vue.prototype.$on = function (event, fn) {
|
|
var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var vm = this;
|
|
function on() {
|
|
vm.$off(event, on);
|
|
fn.apply(vm, arguments);
|
|
}
|
|
on.fn = fn;
|
|
vm.$on(event, on);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var vm = this;
|
|
// all
|
|
if (!arguments.length) {
|
|
vm._events = Object.create(null);
|
|
return vm;
|
|
}
|
|
// specific event
|
|
var cbs = vm._events[event];
|
|
if (!cbs) {
|
|
return vm;
|
|
}
|
|
if (arguments.length === 1) {
|
|
vm._events[event] = null;
|
|
return vm;
|
|
}
|
|
// specific handler
|
|
var cb = void 0;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
cbs.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var vm = this;
|
|
var cbs = vm._events[event];
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
|
|
var args = toArray(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i].apply(vm, args);
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
}
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin(Vue) {
|
|
Vue.prototype._init = function (options) {
|
|
var vm = this;
|
|
// a uid
|
|
vm._uid = uid++;
|
|
// a flag to avoid this being observed
|
|
vm._isVue = true;
|
|
// merge options
|
|
if (options && options._isComponent) {
|
|
// optimize internal component instantiation
|
|
// since dynamic options merging is pretty slow, and none of the
|
|
// internal component options needs special treatment.
|
|
initInternalComponent(vm, options);
|
|
} else {
|
|
vm.$options = mergeOptions(resolveConstructorOptions(vm), options || {}, vm);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
initProxy(vm);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
// expose real self
|
|
vm._self = vm;
|
|
initLifecycle(vm);
|
|
initEvents(vm);
|
|
callHook(vm, 'beforeCreate');
|
|
initState(vm);
|
|
callHook(vm, 'created');
|
|
initRender(vm);
|
|
};
|
|
|
|
function initInternalComponent(vm, options) {
|
|
var opts = vm.$options = Object.create(resolveConstructorOptions(vm));
|
|
// doing this because it's faster than dynamic enumeration.
|
|
opts.parent = options.parent;
|
|
opts.propsData = options.propsData;
|
|
opts._parentVnode = options._parentVnode;
|
|
opts._parentListeners = options._parentListeners;
|
|
opts._renderChildren = options._renderChildren;
|
|
opts._componentTag = options._componentTag;
|
|
if (options.render) {
|
|
opts.render = options.render;
|
|
opts.staticRenderFns = options.staticRenderFns;
|
|
}
|
|
}
|
|
|
|
function resolveConstructorOptions(vm) {
|
|
var Ctor = vm.constructor;
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = Ctor.super.options;
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed
|
|
Ctor.superOptions = superOptions;
|
|
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options;
|
|
}
|
|
}
|
|
|
|
function Vue(options) {
|
|
this._init(options);
|
|
}
|
|
|
|
initMixin(Vue);
|
|
stateMixin(Vue);
|
|
eventsMixin(Vue);
|
|
lifecycleMixin(Vue);
|
|
renderMixin(Vue);
|
|
|
|
var warn = void 0;
|
|
var formatComponentName = void 0;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(function () {
|
|
var hasConsole = typeof console !== 'undefined';
|
|
|
|
warn = function warn(msg, vm) {
|
|
if (hasConsole && !config.silent) {
|
|
console.error('[Vue warn]: ' + msg + ' ' + (vm ? formatLocation(formatComponentName(vm)) : ''));
|
|
}
|
|
};
|
|
|
|
formatComponentName = function formatComponentName(vm) {
|
|
if (vm.$root === vm) {
|
|
return 'root instance';
|
|
}
|
|
var name = vm._isVue ? vm.$options.name || vm.$options._componentTag : vm.name;
|
|
return name ? 'component <' + name + '>' : 'anonymous component';
|
|
};
|
|
|
|
var formatLocation = function formatLocation(str) {
|
|
if (str === 'anonymous component') {
|
|
str += ' - use the "name" option for better debugging messages.)';
|
|
}
|
|
return '(found in ' + str + ')';
|
|
};
|
|
})();
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
};
|
|
|
|
strats.name = function (parent, child, vm) {
|
|
if (vm) {
|
|
warn('options "name" can only be used as a component definition option, ' + 'not during instance creation.');
|
|
}
|
|
return defaultStrat(parent, child);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData(to, from) {
|
|
var key = void 0,
|
|
toVal = void 0,
|
|
fromVal = void 0;
|
|
for (key in from) {
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set(to, key, fromVal);
|
|
} else if (isObject(toVal) && isObject(fromVal)) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to;
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
strats.data = function (parentVal, childVal, vm) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal;
|
|
}
|
|
if (typeof childVal !== 'function') {
|
|
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;
|
|
}
|
|
if (!parentVal) {
|
|
return childVal;
|
|
}
|
|
// when parentVal & childVal are both present,
|
|
// we need to return a function that returns the
|
|
// merged result of both functions... no need to
|
|
// check if parentVal is a function here because
|
|
// it has to be a function to pass previous merges.
|
|
return function mergedDataFn() {
|
|
return mergeData(childVal.call(this), parentVal.call(this));
|
|
};
|
|
} else if (parentVal || childVal) {
|
|
return function mergedInstanceDataFn() {
|
|
// instance merge
|
|
var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal;
|
|
var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined;
|
|
if (instanceData) {
|
|
return mergeData(instanceData, defaultData);
|
|
} else {
|
|
return defaultData;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Hooks and param attributes are merged as arrays.
|
|
*/
|
|
function mergeHook(parentVal, childVal) {
|
|
return childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal;
|
|
}
|
|
|
|
config._lifecycleHooks.forEach(function (hook) {
|
|
strats[hook] = mergeHook;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets(parentVal, childVal) {
|
|
var res = Object.create(parentVal || null);
|
|
return childVal ? extend(res, childVal) : res;
|
|
}
|
|
|
|
config._assetTypes.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Watchers.
|
|
*
|
|
* Watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
strats.watch = function (parentVal, childVal) {
|
|
/* istanbul ignore if */
|
|
if (!childVal) return parentVal;
|
|
if (!parentVal) return childVal;
|
|
var ret = {};
|
|
extend(ret, parentVal);
|
|
for (var key in childVal) {
|
|
var parent = ret[key];
|
|
var child = childVal[key];
|
|
if (parent && !Array.isArray(parent)) {
|
|
parent = [parent];
|
|
}
|
|
ret[key] = parent ? parent.concat(child) : [child];
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props = strats.methods = strats.computed = function (parentVal, childVal) {
|
|
if (!childVal) return parentVal;
|
|
if (!parentVal) return childVal;
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
extend(ret, childVal);
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function defaultStrat(parentVal, childVal) {
|
|
return childVal === undefined ? parentVal : childVal;
|
|
};
|
|
|
|
/**
|
|
* Make sure component options get converted to actual
|
|
* constructors.
|
|
*/
|
|
function normalizeComponents(options) {
|
|
if (options.components) {
|
|
var components = options.components;
|
|
var def = void 0;
|
|
for (var key in components) {
|
|
var lower = key.toLowerCase();
|
|
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
|
|
continue;
|
|
}
|
|
def = components[key];
|
|
if (isPlainObject(def)) {
|
|
components[key] = Vue.extend(def);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 = void 0,
|
|
val = void 0,
|
|
name = void 0;
|
|
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 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) {
|
|
normalizeComponents(child);
|
|
normalizeProps(child);
|
|
normalizeDirectives(child);
|
|
var extendsFrom = child.extends;
|
|
if (extendsFrom) {
|
|
parent = typeof extendsFrom === 'function' ? mergeOptions(parent, extendsFrom.options, vm) : mergeOptions(parent, extendsFrom, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
var mixin = child.mixins[i];
|
|
if (mixin.prototype instanceof Vue) {
|
|
mixin = mixin.options;
|
|
}
|
|
parent = mergeOptions(parent, mixin, vm);
|
|
}
|
|
}
|
|
var options = {};
|
|
var key = void 0;
|
|
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];
|
|
var res = assets[id] ||
|
|
// camelCase ID
|
|
assets[camelize(id)] ||
|
|
// Pascal Case ID
|
|
assets[capitalize(camelize(id))];
|
|
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) {
|
|
/* istanbul ignore if */
|
|
if (!propsData) return;
|
|
var prop = propOptions[key];
|
|
var absent = !hasOwn(propsData, key);
|
|
var value = propsData[key];
|
|
// handle boolean props
|
|
if (prop.type === Boolean) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (value === '' || value === hyphenate(key)) {
|
|
value = true;
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
observerState.shouldConvert = true;
|
|
observe(value);
|
|
observerState.shouldConvert = false;
|
|
}
|
|
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, name) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined;
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (isObject(def)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid default value for prop "' + name + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm);
|
|
}
|
|
// call factory function for non-Function types
|
|
return typeof def === 'function' && prop.type !== Function ? def.call(vm) : def;
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp(prop, name, value, vm, absent) {
|
|
if (prop.required && absent) {
|
|
warn('Missing required prop: "' + name + '"', vm);
|
|
return;
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return;
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType);
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
warn('Invalid prop: type check failed for prop "' + name + '".' + ' Expected ' + expectedTypes.map(capitalize).join(', ') + ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', vm);
|
|
return;
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*/
|
|
function assertType(value, type) {
|
|
var valid = void 0;
|
|
var expectedType = void 0;
|
|
if (type === String) {
|
|
expectedType = 'string';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Number) {
|
|
expectedType = 'number';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Boolean) {
|
|
expectedType = 'boolean';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Function) {
|
|
expectedType = 'function';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Object) {
|
|
expectedType = 'Object';
|
|
valid = isPlainObject(value);
|
|
} else if (type === Array) {
|
|
expectedType = 'Array';
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
expectedType = type.name || type.toString();
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
};
|
|
}
|
|
|
|
|
|
|
|
var util = Object.freeze({
|
|
defineReactive: defineReactive,
|
|
_toString: _toString,
|
|
toNumber: toNumber,
|
|
makeMap: makeMap,
|
|
isBuiltInTag: isBuiltInTag,
|
|
remove: remove,
|
|
hasOwn: hasOwn,
|
|
isPrimitive: isPrimitive,
|
|
cached: cached,
|
|
camelize: camelize,
|
|
capitalize: capitalize,
|
|
hyphenate: hyphenate,
|
|
bind: bind,
|
|
toArray: toArray,
|
|
extend: extend,
|
|
isObject: isObject,
|
|
isPlainObject: isPlainObject,
|
|
toObject: toObject,
|
|
noop: noop,
|
|
no: no,
|
|
genStaticKeys: genStaticKeys,
|
|
isReserved: isReserved,
|
|
def: def,
|
|
parsePath: parsePath,
|
|
hasProto: hasProto,
|
|
inBrowser: inBrowser,
|
|
devtools: devtools,
|
|
UA: UA,
|
|
nextTick: nextTick,
|
|
get _Set () { return _Set; },
|
|
mergeOptions: mergeOptions,
|
|
resolveAsset: resolveAsset,
|
|
get warn () { return warn; },
|
|
get formatComponentName () { return formatComponentName; },
|
|
validateProp: validateProp
|
|
});
|
|
|
|
function initUse(Vue) {
|
|
Vue.use = function (plugin) {
|
|
/* istanbul ignore if */
|
|
if (plugin.installed) {
|
|
return;
|
|
}
|
|
// additional parameters
|
|
var args = toArray(arguments, 1);
|
|
args.unshift(this);
|
|
if (typeof plugin.install === 'function') {
|
|
plugin.install.apply(plugin, args);
|
|
} else {
|
|
plugin.apply(null, args);
|
|
}
|
|
plugin.installed = true;
|
|
return this;
|
|
};
|
|
}
|
|
|
|
function initMixin$1(Vue) {
|
|
Vue.mixin = function (mixin) {
|
|
Vue.options = mergeOptions(Vue.options, mixin);
|
|
};
|
|
}
|
|
|
|
function initExtend(Vue) {
|
|
/**
|
|
* Each instance constructor, including Vue, has a unique
|
|
* cid. This enables us to create wrapped "child
|
|
* constructors" for prototypal inheritance and cache them.
|
|
*/
|
|
Vue.cid = 0;
|
|
var cid = 1;
|
|
|
|
/**
|
|
* Class inheritance
|
|
*/
|
|
Vue.extend = function (extendOptions) {
|
|
extendOptions = extendOptions || {};
|
|
var Super = this;
|
|
var isFirstExtend = Super.cid === 0;
|
|
if (isFirstExtend && extendOptions._Ctor) {
|
|
return extendOptions._Ctor;
|
|
}
|
|
var name = extendOptions.name || Super.options.name;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!/^[a-zA-Z][\w-]*$/.test(name)) {
|
|
warn('Invalid component name: "' + name + '". Component names ' + 'can only contain alphanumeric characaters and the hyphen.');
|
|
name = null;
|
|
}
|
|
}
|
|
var Sub = function VueComponent(options) {
|
|
this._init(options);
|
|
};
|
|
Sub.prototype = Object.create(Super.prototype);
|
|
Sub.prototype.constructor = Sub;
|
|
Sub.cid = cid++;
|
|
Sub.options = mergeOptions(Super.options, extendOptions);
|
|
Sub['super'] = Super;
|
|
// allow further extension
|
|
Sub.extend = Super.extend;
|
|
// create asset registers, so extended classes
|
|
// can have their private assets too.
|
|
config._assetTypes.forEach(function (type) {
|
|
Sub[type] = Super[type];
|
|
});
|
|
// enable recursive self-lookup
|
|
if (name) {
|
|
Sub.options.components[name] = Sub;
|
|
}
|
|
// keep a reference to the super options at extension time.
|
|
// later at instantiation we can check if Super's options have
|
|
// been updated.
|
|
Sub.superOptions = Super.options;
|
|
Sub.extendOptions = extendOptions;
|
|
// cache constructor
|
|
if (isFirstExtend) {
|
|
extendOptions._Ctor = Sub;
|
|
}
|
|
return Sub;
|
|
};
|
|
}
|
|
|
|
function initAssetRegisters(Vue) {
|
|
/**
|
|
* Create asset registration methods.
|
|
*/
|
|
config._assetTypes.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 = Vue.extend(definition);
|
|
}
|
|
if (type === 'directive' && typeof definition === 'function') {
|
|
definition = { bind: definition, update: definition };
|
|
}
|
|
this.options[type + 's'][id] = definition;
|
|
return definition;
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
var KeepAlive = {
|
|
name: 'keep-alive',
|
|
_abstract: true,
|
|
props: {
|
|
child: Object
|
|
},
|
|
created: function created() {
|
|
this.cache = Object.create(null);
|
|
},
|
|
render: function render() {
|
|
var rawChild = this.child;
|
|
var realChild = getRealChild(this.child);
|
|
if (realChild && realChild.componentOptions) {
|
|
var opts = realChild.componentOptions;
|
|
// same constructor may get registered as different local components
|
|
// so cid alone is not enough (#3269)
|
|
var key = opts.Ctor.cid + '::' + opts.tag;
|
|
if (this.cache[key]) {
|
|
var child = realChild.child = this.cache[key].child;
|
|
realChild.elm = this.$el = child.$el;
|
|
} else {
|
|
this.cache[key] = realChild;
|
|
}
|
|
realChild.data.keepAlive = true;
|
|
}
|
|
return rawChild;
|
|
},
|
|
destroyed: function destroyed() {
|
|
for (var key in this.cache) {
|
|
var vnode = this.cache[key];
|
|
callHook(vnode.child, 'deactivated');
|
|
vnode.child.$destroy();
|
|
}
|
|
}
|
|
};
|
|
|
|
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);
|
|
Vue.util = util;
|
|
Vue.set = set;
|
|
Vue.delete = del;
|
|
Vue.nextTick = nextTick;
|
|
|
|
Vue.options = Object.create(null);
|
|
config._assetTypes.forEach(function (type) {
|
|
Vue.options[type + 's'] = Object.create(null);
|
|
});
|
|
|
|
extend(Vue.options.components, builtInComponents);
|
|
|
|
initUse(Vue);
|
|
initMixin$1(Vue);
|
|
initExtend(Vue);
|
|
initAssetRegisters(Vue);
|
|
}
|
|
|
|
initGlobalAPI(Vue);
|
|
|
|
Object.defineProperty(Vue.prototype, '$isServer', {
|
|
get: function get() {
|
|
return config._isServer;
|
|
}
|
|
});
|
|
|
|
Vue.version = '2.0.0-beta.2';
|
|
|
|
// attributes that should be using props for binding
|
|
var mustUseProp = makeMap('value,selected,checked,muted');
|
|
|
|
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 isAttr = makeMap('accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' + 'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' + 'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' + 'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' + 'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' + 'form,formaction,headers,<th>,height,hidden,high,href,hreflang,http-equiv,' + 'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' + 'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' + 'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' + 'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' + 'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' + 'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' + 'target,title,type,usemap,value,width,wrap');
|
|
|
|
var xlinkNS = 'http://www.w3.org/1999/xlink';
|
|
|
|
var isXlink = function isXlink(name) {
|
|
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
|
|
};
|
|
|
|
var getXlinkProp = function getXlinkProp(name) {
|
|
return isXlink(name) ? name.slice(6, name.length) : '';
|
|
};
|
|
|
|
var isFalsyAttrValue = function isFalsyAttrValue(val) {
|
|
return val == null || val === false;
|
|
};
|
|
|
|
function genClassForVnode(vnode) {
|
|
var data = vnode.data;
|
|
// Important: check if this is a component container node
|
|
// or a child component root node
|
|
var i = void 0;
|
|
if ((i = vnode.child) && (i = i._vnode.data)) {
|
|
data = mergeClassData(i, data);
|
|
}
|
|
if ((i = vnode.parent) && (i = i.data)) {
|
|
data = mergeClassData(data, i);
|
|
}
|
|
return genClassFromData(data);
|
|
}
|
|
|
|
function mergeClassData(child, parent) {
|
|
return {
|
|
staticClass: concat(child.staticClass, parent.staticClass),
|
|
class: child.class ? [child.class, parent.class] : parent.class
|
|
};
|
|
}
|
|
|
|
function genClassFromData(data) {
|
|
var dynamicClass = data.class;
|
|
var staticClass = data.staticClass;
|
|
if (staticClass || dynamicClass) {
|
|
return concat(staticClass, stringifyClass(dynamicClass));
|
|
}
|
|
/* istanbul ignore next */
|
|
return '';
|
|
}
|
|
|
|
function concat(a, b) {
|
|
return a ? b ? a + ' ' + b : a : b || '';
|
|
}
|
|
|
|
function stringifyClass(value) {
|
|
var res = '';
|
|
if (!value) {
|
|
return res;
|
|
}
|
|
if (typeof value === 'string') {
|
|
return value;
|
|
}
|
|
if (Array.isArray(value)) {
|
|
var stringified = void 0;
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
if (value[i]) {
|
|
if (stringified = stringifyClass(value[i])) {
|
|
res += stringified + ' ';
|
|
}
|
|
}
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
if (isObject(value)) {
|
|
for (var key in value) {
|
|
if (value[key]) res += key + ' ';
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
/* istanbul ignore next */
|
|
return res;
|
|
}
|
|
|
|
var namespaceMap = {
|
|
svg: 'http://www.w3.org/2000/svg',
|
|
math: 'http://www.w3.org/1998/Math/MathML'
|
|
};
|
|
|
|
var isHTMLTag = makeMap('html,body,base,head,link,meta,style,title,' + 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + 'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + 'embed,object,param,source,canvas,script,noscript,del,ins,' + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + 'output,progress,select,textarea,' + 'details,dialog,menu,menuitem,summary,' + 'content,element,shadow,template');
|
|
|
|
var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr', true);
|
|
|
|
// Elements that you can, intentionally, leave open
|
|
// (and which close themselves)
|
|
var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source', true);
|
|
|
|
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
|
|
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
|
|
var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track', true);
|
|
|
|
// this map is intentionally selective, only covering SVG elements that may
|
|
// contain child elements.
|
|
var isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font,' + 'font-face,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' + 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);
|
|
|
|
var isReservedTag = function isReservedTag(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;
|
|
}
|
|
tag = tag.toLowerCase();
|
|
/* istanbul ignore if */
|
|
if (unknownElementCache[tag] != null) {
|
|
return unknownElementCache[tag];
|
|
}
|
|
var el = document.createElement(tag);
|
|
if (tag.indexOf('-') > -1) {
|
|
// http://stackoverflow.com/a/28210364/1070244
|
|
return unknownElementCache[tag] = el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement;
|
|
} else {
|
|
return unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString());
|
|
}
|
|
}
|
|
|
|
var UA$1 = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA$1 && /msie|trident/.test(UA$1);
|
|
var isIE9 = UA$1 && UA$1.indexOf('msie 9.0') > 0;
|
|
var isAndroid = UA$1 && UA$1.indexOf('android') > 0;
|
|
|
|
/**
|
|
* Query an element selector if it's not an element already.
|
|
*/
|
|
function query(el) {
|
|
if (typeof el === 'string') {
|
|
var selector = el;
|
|
el = document.querySelector(el);
|
|
if (!el) {
|
|
process.env.NODE_ENV !== 'production' && warn('Cannot find element: ' + selector);
|
|
return document.createElement('div');
|
|
}
|
|
}
|
|
return el;
|
|
}
|
|
|
|
function createElement$1(tagName) {
|
|
return document.createElement(tagName);
|
|
}
|
|
|
|
function createElementNS(namespace, tagName) {
|
|
return document.createElementNS(namespaceMap[namespace], tagName);
|
|
}
|
|
|
|
function createTextNode(text) {
|
|
return document.createTextNode(text);
|
|
}
|
|
|
|
function insertBefore(parentNode, newNode, referenceNode) {
|
|
parentNode.insertBefore(newNode, referenceNode);
|
|
}
|
|
|
|
function removeChild(node, child) {
|
|
node.removeChild(child);
|
|
}
|
|
|
|
function appendChild(node, child) {
|
|
node.appendChild(child);
|
|
}
|
|
|
|
function parentNode(node) {
|
|
return node.parentNode;
|
|
}
|
|
|
|
function nextSibling(node) {
|
|
return node.nextSibling;
|
|
}
|
|
|
|
function tagName(node) {
|
|
return node.tagName;
|
|
}
|
|
|
|
function setTextContent(node, text) {
|
|
node.textContent = text;
|
|
}
|
|
|
|
function childNodes(node) {
|
|
return node.childNodes;
|
|
}
|
|
|
|
function setAttribute(node, key, val) {
|
|
node.setAttribute(key, val);
|
|
}
|
|
|
|
var nodeOps = Object.freeze({
|
|
createElement: createElement$1,
|
|
createElementNS: createElementNS,
|
|
createTextNode: createTextNode,
|
|
insertBefore: insertBefore,
|
|
removeChild: removeChild,
|
|
appendChild: appendChild,
|
|
parentNode: parentNode,
|
|
nextSibling: nextSibling,
|
|
tagName: tagName,
|
|
setTextContent: setTextContent,
|
|
childNodes: childNodes,
|
|
setAttribute: setAttribute
|
|
});
|
|
|
|
var emptyData = {};
|
|
var emptyNode = new VNode('', emptyData, []);
|
|
var hooks$1 = ['create', 'update', 'postpatch', 'remove', 'destroy'];
|
|
|
|
function isUndef(s) {
|
|
return s == null;
|
|
}
|
|
|
|
function isDef(s) {
|
|
return s != null;
|
|
}
|
|
|
|
function sameVnode(vnode1, vnode2) {
|
|
return vnode1.key === vnode2.key && vnode1.tag === vnode2.tag && !vnode1.data === !vnode2.data;
|
|
}
|
|
|
|
function createKeyToOldIdx(children, beginIdx, endIdx) {
|
|
var i = void 0,
|
|
key = void 0;
|
|
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 = void 0,
|
|
j = void 0;
|
|
var cbs = {};
|
|
|
|
var modules = backend.modules;
|
|
var nodeOps = backend.nodeOps;
|
|
|
|
|
|
for (i = 0; i < hooks$1.length; ++i) {
|
|
cbs[hooks$1[i]] = [];
|
|
for (j = 0; j < modules.length; ++j) {
|
|
if (modules[j][hooks$1[i]] !== undefined) cbs[hooks$1[i]].push(modules[j][hooks$1[i]]);
|
|
}
|
|
}
|
|
|
|
function emptyNodeAt(elm) {
|
|
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm);
|
|
}
|
|
|
|
function createRmCb(childElm, listeners) {
|
|
function remove() {
|
|
if (--remove.listeners === 0) {
|
|
removeElement(childElm);
|
|
}
|
|
}
|
|
remove.listeners = listeners;
|
|
return remove;
|
|
}
|
|
|
|
function removeElement(el) {
|
|
var parent = nodeOps.parentNode(el);
|
|
nodeOps.removeChild(parent, el);
|
|
}
|
|
|
|
function createElm(vnode, insertedVnodeQueue) {
|
|
var i = void 0,
|
|
elm = void 0;
|
|
var data = vnode.data;
|
|
if (isDef(data)) {
|
|
if (isDef(i = data.hook) && isDef(i = i.init)) i(vnode);
|
|
// after calling the init hook, if the vnode is a child component
|
|
// it should've created a child instance and mounted it. the child
|
|
// component also has set the placeholder vnode's elm.
|
|
// in that case we can just return the element and be done.
|
|
if (isDef(i = vnode.child)) {
|
|
if (vnode.data.pendingInsert) {
|
|
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
|
|
}
|
|
vnode.elm = vnode.child.$el;
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
setScope(vnode);
|
|
return vnode.elm;
|
|
}
|
|
}
|
|
var children = vnode.children;
|
|
var tag = vnode.tag;
|
|
if (isDef(tag)) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!vnode.ns && !(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) && config.isUnknownElement(tag)) {
|
|
warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.', vnode.context);
|
|
}
|
|
}
|
|
elm = vnode.elm = vnode.ns ? nodeOps.createElementNS(vnode.ns, tag) : nodeOps.createElement(tag);
|
|
setScope(vnode);
|
|
if (Array.isArray(children)) {
|
|
for (i = 0; i < children.length; ++i) {
|
|
nodeOps.appendChild(elm, createElm(children[i], insertedVnodeQueue));
|
|
}
|
|
} else if (isPrimitive(vnode.text)) {
|
|
nodeOps.appendChild(elm, nodeOps.createTextNode(vnode.text));
|
|
}
|
|
if (isDef(data)) {
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
}
|
|
} else {
|
|
elm = vnode.elm = nodeOps.createTextNode(vnode.text);
|
|
}
|
|
return vnode.elm;
|
|
}
|
|
|
|
function invokeCreateHooks(vnode, insertedVnodeQueue) {
|
|
for (var _i = 0; _i < cbs.create.length; ++_i) {
|
|
cbs.create[_i](emptyNode, vnode);
|
|
}
|
|
i = vnode.data.hook; // Reuse variable
|
|
if (isDef(i)) {
|
|
if (i.create) i.create(emptyNode, vnode);
|
|
if (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 = void 0;
|
|
if (isDef(i = vnode.host) && isDef(i = i.$options._scopeId)) {
|
|
nodeOps.setAttribute(vnode.elm, i, '');
|
|
}
|
|
if (isDef(i = vnode.context) && isDef(i = i.$options._scopeId)) {
|
|
nodeOps.setAttribute(vnode.elm, i, '');
|
|
}
|
|
}
|
|
|
|
function addVnodes(parentElm, before, vnodes, startIdx, endIdx, insertedVnodeQueue) {
|
|
for (; startIdx <= endIdx; ++startIdx) {
|
|
nodeOps.insertBefore(parentElm, createElm(vnodes[startIdx], insertedVnodeQueue), before);
|
|
}
|
|
}
|
|
|
|
function invokeDestroyHook(vnode) {
|
|
var i = void 0,
|
|
j = void 0;
|
|
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.child) && !data.keepAlive) {
|
|
invokeDestroyHook(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)) {
|
|
invokeDestroyHook(ch);
|
|
removeAndInvokeRemoveHook(ch);
|
|
} else {
|
|
// Text node
|
|
nodeOps.removeChild(parentElm, ch.elm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function removeAndInvokeRemoveHook(vnode, rm) {
|
|
if (rm || isDef(vnode.data)) {
|
|
var listeners = cbs.remove.length + 1;
|
|
if (!rm) {
|
|
// directly removing
|
|
rm = createRmCb(vnode.elm, listeners);
|
|
} else {
|
|
// we have a recursively passed down rm callback
|
|
// increase the listeners count
|
|
rm.listeners += listeners;
|
|
}
|
|
// recursively invoke hooks on child component root node
|
|
if (isDef(i = vnode.child) && isDef(i = i._vnode) && isDef(i.data)) {
|
|
removeAndInvokeRemoveHook(i, rm);
|
|
}
|
|
for (i = 0; i < cbs.remove.length; ++i) {
|
|
cbs.remove[i](vnode, rm);
|
|
}
|
|
if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
|
|
i(vnode, rm);
|
|
} else {
|
|
rm();
|
|
}
|
|
} else {
|
|
removeElement(vnode.elm);
|
|
}
|
|
}
|
|
|
|
function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
|
|
var oldStartIdx = 0;
|
|
var newStartIdx = 0;
|
|
var oldEndIdx = oldCh.length - 1;
|
|
var oldStartVnode = oldCh[0];
|
|
var oldEndVnode = oldCh[oldEndIdx];
|
|
var newEndIdx = newCh.length - 1;
|
|
var newStartVnode = newCh[0];
|
|
var newEndVnode = newCh[newEndIdx];
|
|
var oldKeyToIdx = void 0,
|
|
idxInOld = void 0,
|
|
elmToMove = void 0,
|
|
before = void 0;
|
|
|
|
// 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 = oldKeyToIdx[newStartVnode.key];
|
|
if (isUndef(idxInOld)) {
|
|
// New element
|
|
nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), 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 (elmToMove.tag !== newStartVnode.tag) {
|
|
// same key but different element. treat as new element
|
|
nodeOps.insertBefore(parentElm, createElm(newStartVnode, insertedVnodeQueue), oldStartVnode.elm);
|
|
newStartVnode = newCh[++newStartIdx];
|
|
} else {
|
|
patchVnode(elmToMove, newStartVnode, insertedVnodeQueue);
|
|
oldCh[idxInOld] = undefined;
|
|
canMove && nodeOps.insertBefore(parentElm, newStartVnode.elm, oldStartVnode.elm);
|
|
newStartVnode = newCh[++newStartIdx];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (oldStartIdx > oldEndIdx) {
|
|
before = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
|
|
addVnodes(parentElm, before, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
|
|
} else if (newStartIdx > newEndIdx) {
|
|
removeVnodes(parentElm, oldCh, oldStartIdx, oldEndIdx);
|
|
}
|
|
}
|
|
|
|
function patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly) {
|
|
if (oldVnode === vnode) return;
|
|
var i = void 0,
|
|
hook = void 0;
|
|
var hasData = isDef(i = vnode.data);
|
|
if (hasData && isDef(hook = i.hook) && isDef(i = hook.prepatch)) {
|
|
i(oldVnode, vnode);
|
|
}
|
|
var elm = vnode.elm = oldVnode.elm;
|
|
var oldCh = oldVnode.children;
|
|
var ch = vnode.children;
|
|
if (hasData) {
|
|
for (i = 0; i < cbs.update.length; ++i) {
|
|
cbs.update[i](oldVnode, vnode);
|
|
}if (isDef(hook) && isDef(i = hook.update)) i(oldVnode, vnode);
|
|
}
|
|
if (isUndef(vnode.text)) {
|
|
if (isDef(oldCh) && isDef(ch)) {
|
|
if (oldCh !== ch) updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly);
|
|
} else if (isDef(ch)) {
|
|
if (isDef(oldVnode.text)) nodeOps.setTextContent(elm, '');
|
|
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
|
|
} else if (isDef(oldCh)) {
|
|
removeVnodes(elm, oldCh, 0, oldCh.length - 1);
|
|
} else if (isDef(oldVnode.text)) {
|
|
nodeOps.setTextContent(elm, '');
|
|
}
|
|
} else if (oldVnode.text !== vnode.text) {
|
|
nodeOps.setTextContent(elm, vnode.text);
|
|
}
|
|
if (hasData) {
|
|
for (i = 0; i < cbs.postpatch.length; ++i) {
|
|
cbs.postpatch[i](oldVnode, vnode);
|
|
}if (isDef(hook) && isDef(i = hook.postpatch)) i(oldVnode, vnode);
|
|
}
|
|
}
|
|
|
|
function invokeInsertHook(vnode, queue, initial) {
|
|
// delay insert hooks for component root nodes, invoke them after the
|
|
// element is really inserted
|
|
if (initial && vnode.parent) {
|
|
vnode.parent.data.pendingInsert = queue;
|
|
} else {
|
|
for (var _i2 = 0; _i2 < queue.length; ++_i2) {
|
|
queue[_i2].data.hook.insert(queue[_i2]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function hydrate(elm, vnode, insertedVnodeQueue) {
|
|
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.child)) {
|
|
// child component. it should have hydrated its own tree.
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
return true;
|
|
}
|
|
}
|
|
if (isDef(tag)) {
|
|
if (isDef(children)) {
|
|
var childNodes = nodeOps.childNodes(elm);
|
|
for (var _i3 = 0; _i3 < children.length; _i3++) {
|
|
var success = hydrate(childNodes[_i3], children[_i3], insertedVnodeQueue);
|
|
if (!success) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
if (isDef(data)) {
|
|
invokeCreateHooks(vnode, insertedVnodeQueue);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function assertNodeMatch(node, vnode) {
|
|
if (vnode.tag) {
|
|
if (vnode.tag.indexOf('vue-component') === 0) {
|
|
return true;
|
|
} else {
|
|
var childNodes = nodeOps.childNodes(node);
|
|
return vnode.tag === nodeOps.tagName(node).toLowerCase() && (vnode.children ? vnode.children.length === childNodes.length : childNodes.length === 0);
|
|
}
|
|
} else {
|
|
return _toString(vnode.text) === node.data;
|
|
}
|
|
}
|
|
|
|
return function patch(oldVnode, vnode, hydrating, removeOnly) {
|
|
var elm = void 0,
|
|
parent = void 0;
|
|
var isInitialPatch = false;
|
|
var insertedVnodeQueue = [];
|
|
|
|
if (!oldVnode) {
|
|
// empty mount, create new root element
|
|
isInitialPatch = true;
|
|
createElm(vnode, insertedVnodeQueue);
|
|
} else {
|
|
var isRealElement = isDef(oldVnode.nodeType);
|
|
if (!isRealElement && sameVnode(oldVnode, vnode)) {
|
|
patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly);
|
|
} else {
|
|
if (isRealElement) {
|
|
// mounting to a real element
|
|
// check if this is server-rendered content and if we can perform
|
|
// a successful hydration.
|
|
if (oldVnode.hasAttribute('server-rendered')) {
|
|
oldVnode.removeAttribute('server-rendered');
|
|
hydrating = true;
|
|
}
|
|
if (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. Bailing hydration and performing ' + 'full client-side render.');
|
|
}
|
|
}
|
|
// either not server-rendered, or hydration failed.
|
|
// create an empty node and replace it
|
|
oldVnode = emptyNodeAt(oldVnode);
|
|
}
|
|
elm = oldVnode.elm;
|
|
parent = nodeOps.parentNode(elm);
|
|
|
|
createElm(vnode, insertedVnodeQueue);
|
|
|
|
// component root element replaced.
|
|
// update parent placeholder node element.
|
|
if (vnode.parent) {
|
|
vnode.parent.elm = vnode.elm;
|
|
for (var _i4 = 0; _i4 < cbs.create.length; ++_i4) {
|
|
cbs.create[_i4](emptyNode, vnode.parent);
|
|
}
|
|
}
|
|
|
|
if (parent !== null) {
|
|
nodeOps.insertBefore(parent, vnode.elm, nodeOps.nextSibling(elm));
|
|
removeVnodes(parent, [oldVnode], 0, 0);
|
|
} else if (isDef(oldVnode.tag)) {
|
|
invokeDestroyHook(oldVnode);
|
|
}
|
|
}
|
|
}
|
|
|
|
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
|
|
return vnode.elm;
|
|
};
|
|
}
|
|
|
|
var directives = {
|
|
create: function bindDirectives(oldVnode, vnode) {
|
|
applyDirectives(oldVnode, vnode, 'bind');
|
|
},
|
|
update: function updateDirectives(oldVnode, vnode) {
|
|
applyDirectives(oldVnode, vnode, 'update');
|
|
},
|
|
postpatch: function postupdateDirectives(oldVnode, vnode) {
|
|
applyDirectives(oldVnode, vnode, 'componentUpdated');
|
|
},
|
|
destroy: function unbindDirectives(vnode) {
|
|
applyDirectives(vnode, vnode, 'unbind');
|
|
}
|
|
};
|
|
|
|
var emptyModifiers = Object.create(null);
|
|
|
|
function applyDirectives(oldVnode, vnode, hook) {
|
|
var dirs = vnode.data.directives;
|
|
if (dirs) {
|
|
var oldDirs = oldVnode.data.directives;
|
|
var isUpdate = hook === 'update';
|
|
for (var i = 0; i < dirs.length; i++) {
|
|
var dir = dirs[i];
|
|
var def = resolveAsset(vnode.context.$options, 'directives', dir.name, true);
|
|
var fn = def && def[hook];
|
|
if (fn) {
|
|
if (isUpdate && oldDirs) {
|
|
dir.oldValue = oldDirs[i].value;
|
|
}
|
|
if (!dir.modifiers) {
|
|
dir.modifiers = emptyModifiers;
|
|
}
|
|
fn(vnode.elm, dir, vnode, oldVnode);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var ref = {
|
|
create: function create(_, vnode) {
|
|
registerRef(vnode);
|
|
},
|
|
update: function update(oldVnode, vnode) {
|
|
if (oldVnode.data.ref !== vnode.data.ref) {
|
|
registerRef(oldVnode, true);
|
|
registerRef(vnode);
|
|
}
|
|
},
|
|
destroy: function destroy(vnode) {
|
|
registerRef(vnode, true);
|
|
}
|
|
};
|
|
|
|
function registerRef(vnode, isRemoval) {
|
|
var key = vnode.data.ref;
|
|
if (!key) return;
|
|
|
|
var vm = vnode.context;
|
|
var ref = vnode.child || vnode.elm;
|
|
var refs = vm.$refs;
|
|
if (isRemoval) {
|
|
if (Array.isArray(refs[key])) {
|
|
remove(refs[key], ref);
|
|
} else if (refs[key] === ref) {
|
|
refs[key] = undefined;
|
|
}
|
|
} else {
|
|
if (vnode.data.refInFor) {
|
|
if (Array.isArray(refs[key])) {
|
|
refs[key].push(ref);
|
|
} else {
|
|
refs[key] = [ref];
|
|
}
|
|
} else {
|
|
refs[key] = ref;
|
|
}
|
|
}
|
|
}
|
|
|
|
var baseModules = [ref, directives];
|
|
|
|
function updateAttrs(oldVnode, vnode) {
|
|
if (!oldVnode.data.attrs && !vnode.data.attrs) {
|
|
return;
|
|
}
|
|
var key = void 0,
|
|
cur = void 0,
|
|
old = void 0;
|
|
var elm = vnode.elm;
|
|
var oldAttrs = oldVnode.data.attrs || {};
|
|
var attrs = vnode.data.attrs || {};
|
|
var clonedAttrs = vnode.data.attrs = {};
|
|
|
|
for (key in attrs) {
|
|
cur = clonedAttrs[key] = attrs[key];
|
|
old = oldAttrs[key];
|
|
if (old !== cur) {
|
|
setAttr(elm, key, cur);
|
|
}
|
|
}
|
|
for (key in oldAttrs) {
|
|
if (attrs[key] == null) {
|
|
if (isXlink(key)) {
|
|
elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
|
|
} else if (!isEnumeratedAttr(key)) {
|
|
elm.removeAttribute(key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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: function create(_, vnode) {
|
|
var attrs = vnode.data.staticAttrs;
|
|
if (attrs) {
|
|
for (var key in attrs) {
|
|
setAttr(vnode.elm, key, attrs[key]);
|
|
}
|
|
}
|
|
updateAttrs(_, vnode);
|
|
},
|
|
update: updateAttrs
|
|
};
|
|
|
|
function updateClass(oldVnode, vnode) {
|
|
var el = vnode.elm;
|
|
var data = vnode.data;
|
|
if (!data.staticClass && !data.class) {
|
|
return;
|
|
}
|
|
|
|
var cls = genClassForVnode(vnode);
|
|
|
|
// handle transition classes
|
|
var transitionClass = el._transitionClasses;
|
|
if (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
|
|
};
|
|
|
|
function updateDOMListeners(oldVnode, vnode) {
|
|
if (!oldVnode.data.on && !vnode.data.on) {
|
|
return;
|
|
}
|
|
var on = vnode.data.on || {};
|
|
var oldOn = oldVnode.data.on || {};
|
|
var add = vnode.elm._v_add || (vnode.elm._v_add = function (event, handler, capture) {
|
|
vnode.elm.addEventListener(event, handler, capture);
|
|
});
|
|
var remove = vnode.elm._v_remove || (vnode.elm._v_remove = function (event, handler) {
|
|
vnode.elm.removeEventListener(event, handler);
|
|
});
|
|
updateListeners(on, oldOn, add, remove);
|
|
}
|
|
|
|
var events = {
|
|
create: updateDOMListeners,
|
|
update: updateDOMListeners
|
|
};
|
|
|
|
function updateProps(oldVnode, vnode) {
|
|
if (!oldVnode.data.props && !vnode.data.props) {
|
|
return;
|
|
}
|
|
var key = void 0,
|
|
cur = void 0;
|
|
var elm = vnode.elm;
|
|
var oldProps = oldVnode.data.props || {};
|
|
var props = vnode.data.props || {};
|
|
var clonedProps = vnode.data.props = {};
|
|
|
|
for (key in oldProps) {
|
|
if (props[key] == null) {
|
|
elm[key] = undefined;
|
|
}
|
|
}
|
|
for (key in props) {
|
|
cur = clonedProps[key] = props[key];
|
|
if (key === 'value') {
|
|
// store value as _value as well since
|
|
// non-string values will be stringified
|
|
elm._value = cur;
|
|
// avoid resetting cursor position when value is the same
|
|
if (elm.value != cur) {
|
|
// eslint-disable-line
|
|
elm.value = cur;
|
|
}
|
|
} else {
|
|
elm[key] = cur;
|
|
}
|
|
}
|
|
}
|
|
|
|
var props = {
|
|
create: updateProps,
|
|
update: updateProps
|
|
};
|
|
|
|
var prefixes = ['Webkit', 'Moz', 'ms'];
|
|
|
|
var testEl = void 0;
|
|
var normalize = cached(function (prop) {
|
|
testEl = testEl || document.createElement('div');
|
|
prop = camelize(prop);
|
|
if (prop !== 'filter' && prop in testEl.style) {
|
|
return prop;
|
|
}
|
|
var upper = prop.charAt(0).toUpperCase() + prop.slice(1);
|
|
for (var i = 0; i < prefixes.length; i++) {
|
|
var prefixed = prefixes[i] + upper;
|
|
if (prefixed in testEl.style) {
|
|
return prefixed;
|
|
}
|
|
}
|
|
});
|
|
|
|
function updateStyle(oldVnode, vnode) {
|
|
if (!oldVnode.data.style && !vnode.data.style) {
|
|
return;
|
|
}
|
|
var cur = void 0,
|
|
name = void 0;
|
|
var elm = vnode.elm;
|
|
var oldStyle = oldVnode.data.style || {};
|
|
var style = vnode.data.style || {};
|
|
|
|
// handle array syntax
|
|
if (Array.isArray(style)) {
|
|
style = toObject(style);
|
|
}
|
|
|
|
// clone the style for future updates,
|
|
// in case the user mutates the style object in-place.
|
|
var clonedStyle = vnode.data.style = {};
|
|
|
|
for (name in oldStyle) {
|
|
if (!style[name]) {
|
|
elm.style[normalize(name)] = '';
|
|
}
|
|
}
|
|
for (name in style) {
|
|
cur = clonedStyle[name] = style[name];
|
|
if (cur !== oldStyle[name]) {
|
|
// ie9 setting to null has no effect, must use empty string
|
|
elm.style[normalize(name)] = 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 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 else */
|
|
if (el.classList) {
|
|
if (cls.indexOf(' ') > -1) {
|
|
cls.split(/\s+/).forEach(function (c) {
|
|
return el.classList.remove(c);
|
|
});
|
|
} else {
|
|
el.classList.remove(cls);
|
|
}
|
|
} else {
|
|
var cur = ' ' + el.getAttribute('class') + ' ';
|
|
var tar = ' ' + cls + ' ';
|
|
while (cur.indexOf(tar) >= 0) {
|
|
cur = cur.replace(tar, ' ');
|
|
}
|
|
el.setAttribute('class', cur.trim());
|
|
}
|
|
}
|
|
|
|
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';
|
|
}
|
|
}
|
|
|
|
var raf = inBrowser && window.requestAnimationFrame || setTimeout;
|
|
function nextFrame(fn) {
|
|
raf(function () {
|
|
raf(fn);
|
|
});
|
|
}
|
|
|
|
function addTransitionClass(el, cls) {
|
|
(el._transitionClasses || (el._transitionClasses = [])).push(cls);
|
|
addClass(el, cls);
|
|
}
|
|
|
|
function removeTransitionClass(el, cls) {
|
|
if (el._transitionClasses) {
|
|
remove(el._transitionClasses, cls);
|
|
}
|
|
removeClass(el, cls);
|
|
}
|
|
|
|
function whenTransitionEnds(el, cb) {
|
|
var _getTransitionInfo = getTransitionInfo(el);
|
|
|
|
var type = _getTransitionInfo.type;
|
|
var timeout = _getTransitionInfo.timeout;
|
|
var propCount = _getTransitionInfo.propCount;
|
|
|
|
if (!type) return cb();
|
|
var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
|
|
var ended = 0;
|
|
var end = function end() {
|
|
el.removeEventListener(event, onEnd);
|
|
cb();
|
|
};
|
|
var onEnd = function onEnd() {
|
|
if (++ended >= propCount) {
|
|
end();
|
|
}
|
|
};
|
|
setTimeout(function () {
|
|
if (ended < propCount) {
|
|
end();
|
|
}
|
|
}, timeout + 1);
|
|
el.addEventListener(event, onEnd);
|
|
}
|
|
|
|
var transformRE = /\b(transform|all)(,|$)/;
|
|
|
|
function getTransitionInfo(el) {
|
|
var styles = window.getComputedStyle(el);
|
|
var transitionProps = styles[transitionProp + 'Property'];
|
|
var transitioneDelays = styles[transitionProp + 'Delay'].split(', ');
|
|
var transitionDurations = styles[transitionProp + 'Duration'].split(', ');
|
|
var animationDelays = styles[animationProp + 'Delay'].split(', ');
|
|
var animationDurations = styles[animationProp + 'Duration'].split(', ');
|
|
var transitionTimeout = getTimeout(transitioneDelays, transitionDurations);
|
|
var animationTimeout = getTimeout(animationDelays, animationDurations);
|
|
var timeout = Math.max(transitionTimeout, animationTimeout);
|
|
var type = timeout > 0 ? transitionTimeout > animationTimeout ? TRANSITION : ANIMATION : null;
|
|
return {
|
|
type: type,
|
|
timeout: timeout,
|
|
propCount: type ? type === TRANSITION ? transitionDurations.length : animationDurations.length : 0,
|
|
hasTransform: type === TRANSITION && transformRE.test(transitionProps)
|
|
};
|
|
}
|
|
|
|
function getTimeout(delays, durations) {
|
|
return Math.max.apply(null, durations.map(function (d, i) {
|
|
return toMs(d) + toMs(delays[i]);
|
|
}));
|
|
}
|
|
|
|
function toMs(s) {
|
|
return Number(s.slice(0, -1)) * 1000;
|
|
}
|
|
|
|
function enter(vnode) {
|
|
var el = vnode.elm;
|
|
|
|
// call leave callback now
|
|
if (el._leaveCb) {
|
|
el._leaveCb.cancelled = true;
|
|
el._leaveCb();
|
|
}
|
|
|
|
var data = resolveTransition(vnode.data.transition);
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
/* istanbul ignore if */
|
|
if (el._enterCb) {
|
|
return;
|
|
}
|
|
|
|
var css = data.css;
|
|
var enterClass = data.enterClass;
|
|
var enterActiveClass = data.enterActiveClass;
|
|
var appearClass = data.appearClass;
|
|
var appearActiveClass = data.appearActiveClass;
|
|
var beforeEnter = data.beforeEnter;
|
|
var enter = data.enter;
|
|
var afterEnter = data.afterEnter;
|
|
var enterCancelled = data.enterCancelled;
|
|
var beforeAppear = data.beforeAppear;
|
|
var appear = data.appear;
|
|
var afterAppear = data.afterAppear;
|
|
var appearCancelled = data.appearCancelled;
|
|
|
|
|
|
var isAppear = !vnode.context.$root._isMounted;
|
|
if (isAppear && !appear && appear !== '') {
|
|
return;
|
|
}
|
|
|
|
var startClass = isAppear ? appearClass : enterClass;
|
|
var activeClass = isAppear ? appearActiveClass : enterActiveClass;
|
|
var beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
|
|
var enterHook = isAppear ? typeof appear === 'function' ? appear : enter : enter;
|
|
var afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
|
|
var enterCancelledHook = isAppear ? appearCancelled || enterCancelled : enterCancelled;
|
|
|
|
var expectsCSS = css !== false && !isIE9;
|
|
var userWantsControl = enterHook &&
|
|
// enterHook may be a bound method which exposes
|
|
// the length of original fn as _length
|
|
(enterHook._length || enterHook.length) > 1;
|
|
|
|
var cb = el._enterCb = once(function () {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, activeClass);
|
|
}
|
|
if (cb.cancelled) {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, startClass);
|
|
}
|
|
enterCancelledHook && enterCancelledHook(el);
|
|
} else {
|
|
afterEnterHook && afterEnterHook(el);
|
|
}
|
|
el._enterCb = null;
|
|
});
|
|
|
|
// 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._pending && parent._pending[vnode.key];
|
|
if (pendingNode && pendingNode.tag === vnode.tag && pendingNode.elm._leaveCb) {
|
|
pendingNode.elm._leaveCb();
|
|
}
|
|
enterHook && enterHook(el, cb);
|
|
});
|
|
|
|
// start enter transition
|
|
beforeEnterHook && beforeEnterHook(el);
|
|
if (expectsCSS) {
|
|
addTransitionClass(el, startClass);
|
|
addTransitionClass(el, activeClass);
|
|
nextFrame(function () {
|
|
removeTransitionClass(el, startClass);
|
|
if (!cb.cancelled && !userWantsControl) {
|
|
whenTransitionEnds(el, cb);
|
|
}
|
|
});
|
|
}
|
|
|
|
if (!expectsCSS && !userWantsControl) {
|
|
cb();
|
|
}
|
|
}
|
|
|
|
function leave(vnode, rm) {
|
|
var el = vnode.elm;
|
|
|
|
// call enter callback now
|
|
if (el._enterCb) {
|
|
el._enterCb.cancelled = true;
|
|
el._enterCb();
|
|
}
|
|
|
|
var data = resolveTransition(vnode.data.transition);
|
|
if (!data) {
|
|
return rm();
|
|
}
|
|
|
|
/* istanbul ignore if */
|
|
if (el._leaveCb) {
|
|
return;
|
|
}
|
|
|
|
var css = data.css;
|
|
var leaveClass = data.leaveClass;
|
|
var leaveActiveClass = data.leaveActiveClass;
|
|
var beforeLeave = data.beforeLeave;
|
|
var leave = data.leave;
|
|
var afterLeave = data.afterLeave;
|
|
var leaveCancelled = data.leaveCancelled;
|
|
var delayLeave = data.delayLeave;
|
|
|
|
|
|
var expectsCSS = css !== false && !isIE9;
|
|
var userWantsControl = leave &&
|
|
// leave hook may be a bound method which exposes
|
|
// the length of original fn as _length
|
|
(leave._length || leave.length) > 1;
|
|
|
|
var cb = el._leaveCb = once(function () {
|
|
if (el.parentNode && el.parentNode._pending) {
|
|
el.parentNode._pending[vnode.key] = null;
|
|
}
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, leaveActiveClass);
|
|
}
|
|
if (cb.cancelled) {
|
|
if (expectsCSS) {
|
|
removeTransitionClass(el, leaveClass);
|
|
}
|
|
leaveCancelled && leaveCancelled(el);
|
|
} else {
|
|
rm();
|
|
afterLeave && afterLeave(el);
|
|
}
|
|
el._leaveCb = null;
|
|
});
|
|
|
|
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 () {
|
|
removeTransitionClass(el, leaveClass);
|
|
if (!cb.cancelled && !userWantsControl) {
|
|
whenTransitionEnds(el, cb);
|
|
}
|
|
});
|
|
}
|
|
leave && leave(el, cb);
|
|
if (!expectsCSS && !userWantsControl) {
|
|
cb();
|
|
}
|
|
}
|
|
}
|
|
|
|
function resolveTransition(def) {
|
|
if (!def) {
|
|
return;
|
|
}
|
|
/* istanbul ignore else */
|
|
if (typeof def === 'object') {
|
|
var res = {};
|
|
if (def.css !== false) {
|
|
extend(res, autoCssTransition(def.name || 'v'));
|
|
}
|
|
extend(res, def);
|
|
return res;
|
|
} else if (typeof def === 'string') {
|
|
return autoCssTransition(def);
|
|
}
|
|
}
|
|
|
|
var autoCssTransition = cached(function (name) {
|
|
return {
|
|
enterClass: name + '-enter',
|
|
leaveClass: name + '-leave',
|
|
appearClass: name + '-enter',
|
|
enterActiveClass: name + '-enter-active',
|
|
leaveActiveClass: name + '-leave-active',
|
|
appearActiveClass: name + '-enter-active'
|
|
};
|
|
});
|
|
|
|
function once(fn) {
|
|
var called = false;
|
|
return function () {
|
|
if (!called) {
|
|
called = true;
|
|
fn();
|
|
}
|
|
};
|
|
}
|
|
|
|
var transition = inBrowser ? {
|
|
create: function create(_, vnode) {
|
|
if (!vnode.data.show) {
|
|
enter(vnode);
|
|
}
|
|
},
|
|
remove: function remove(vnode, rm) {
|
|
/* istanbul ignore else */
|
|
if (!vnode.data.show) {
|
|
leave(vnode, rm);
|
|
} else {
|
|
rm();
|
|
}
|
|
}
|
|
} : {};
|
|
|
|
var platformModules = [attrs, klass, events, props, 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 });
|
|
|
|
var modelableTagRE = /^input|select|textarea|vue-component-[0-9]+(-[0-9a-zA-Z_\-]*)?$/;
|
|
|
|
/* 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 = {
|
|
bind: function bind(el, binding, vnode) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!modelableTagRE.test(vnode.tag)) {
|
|
warn('v-model is not supported on element type: <' + vnode.tag + '>. ' + 'If you are working with contenteditable, it\'s recommended to ' + 'wrap a library dedicated for that purpose inside a custom component.', vnode.context);
|
|
}
|
|
}
|
|
if (vnode.tag === 'select') {
|
|
setSelected(el, binding, vnode.context);
|
|
} else {
|
|
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 matchig
|
|
// option in the DOM.
|
|
var needReset = el.multiple ? binding.value.some(function (v) {
|
|
return hasNoMatchingOption(v, el.options);
|
|
}) : hasNoMatchingOption(binding.value, el.options);
|
|
if (needReset) {
|
|
trigger(el, 'change');
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
function setSelected(el, binding, vm) {
|
|
var value = binding.value;
|
|
var isMultiple = el.multiple;
|
|
if (!isMultiple) {
|
|
el.selectedIndex = -1;
|
|
} else if (!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;
|
|
}
|
|
for (var i = 0, l = el.options.length; i < l; i++) {
|
|
var option = el.options[i];
|
|
if (isMultiple) {
|
|
option.selected = value.indexOf(getValue(option)) > -1;
|
|
} else {
|
|
if (getValue(option) === value) {
|
|
el.selectedIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function hasNoMatchingOption(value, options) {
|
|
for (var i = 0, l = options.length; i < l; i++) {
|
|
if (getValue(options[i]) === value) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function getValue(option) {
|
|
return '_value' in option ? option._value : option.value || option.text;
|
|
}
|
|
|
|
function onCompositionStart(e) {
|
|
e.target.composing = true;
|
|
}
|
|
|
|
function onCompositionEnd(e) {
|
|
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);
|
|
}
|
|
|
|
var show = {
|
|
bind: function bind(el, _ref, vnode) {
|
|
var value = _ref.value;
|
|
|
|
var transition = vnode.data.transition;
|
|
if (value && transition && transition.appear && !isIE9) {
|
|
enter(vnode);
|
|
}
|
|
el.style.display = value ? '' : 'none';
|
|
},
|
|
update: function update(el, _ref2, vnode) {
|
|
var value = _ref2.value;
|
|
|
|
var transition = vnode.data.transition;
|
|
if (transition && !isIE9) {
|
|
if (value) {
|
|
enter(vnode);
|
|
el.style.display = '';
|
|
} else {
|
|
leave(vnode, function () {
|
|
el.style.display = 'none';
|
|
});
|
|
}
|
|
} else {
|
|
el.style.display = value ? '' : 'none';
|
|
}
|
|
}
|
|
};
|
|
|
|
var platformDirectives = {
|
|
model: model,
|
|
show: show
|
|
};
|
|
|
|
var transitionProps = {
|
|
name: String,
|
|
appear: Boolean,
|
|
css: Boolean,
|
|
mode: String,
|
|
enterClass: String,
|
|
leaveClass: String,
|
|
enterActiveClass: String,
|
|
leaveActiveClass: String,
|
|
appearClass: String,
|
|
appearActiveClass: String
|
|
};
|
|
|
|
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 in listeners) {
|
|
data[camelize(_key)] = listeners[_key].fn;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
var Transition = {
|
|
name: 'transition',
|
|
props: transitionProps,
|
|
_abstract: true,
|
|
render: function render(h) {
|
|
var _this = this;
|
|
|
|
var children = this.$slots.default;
|
|
if (!children) {
|
|
return;
|
|
}
|
|
|
|
// warn text nodes
|
|
if (process.env.NODE_ENV !== 'production' && children.length === 1 && !children[0].tag) {
|
|
warn('<transition> can only be used on elements or components, not text nodes.', this.$parent);
|
|
}
|
|
|
|
// filter out text nodes (possible whitespaces)
|
|
children = children.filter(function (c) {
|
|
return c.tag;
|
|
});
|
|
|
|
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 (this.$vnode.parent && this.$vnode.parent.data.transition) {
|
|
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;
|
|
child.key = child.key || '__v' + (child.tag + this._uid) + '__';
|
|
var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
|
|
var oldRawChild = this._vnode;
|
|
var oldChild = getRealChild(oldRawChild);
|
|
|
|
// handle transition mode
|
|
if (mode && oldChild && oldChild.data && oldChild.key !== child.key) {
|
|
var oldData = oldChild.data.transition;
|
|
if (mode === 'out-in') {
|
|
// return empty node and queue update when leave finishes
|
|
mergeVNodeHook(oldData, 'afterLeave', function () {
|
|
_this.$forceUpdate();
|
|
});
|
|
return (/\d-keep-alive$/.test(rawChild.tag) ? h('keep-alive') : null
|
|
);
|
|
} else if (mode === 'in-out') {
|
|
(function () {
|
|
var delayedLeave = void 0;
|
|
var performLeave = function performLeave() {
|
|
delayedLeave();
|
|
};
|
|
mergeVNodeHook(data, 'afterEnter', performLeave);
|
|
mergeVNodeHook(data, 'enterCancelled', performLeave);
|
|
mergeVNodeHook(oldData, 'delayLeave', function (leave) {
|
|
delayedLeave = leave;
|
|
});
|
|
})();
|
|
}
|
|
}
|
|
|
|
return rawChild;
|
|
}
|
|
};
|
|
|
|
var props$1 = extend({
|
|
tag: String,
|
|
moveClass: String
|
|
}, transitionProps);
|
|
|
|
delete props$1.mode;
|
|
|
|
var TransitionGroup = {
|
|
props: props$1,
|
|
|
|
render: function render(h) {
|
|
var tag = this.tag || this.$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) {
|
|
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 = 0; _i < prevChildren.length; _i++) {
|
|
var _c = prevChildren[_i];
|
|
_c.data.pos = _c.elm.getBoundingClientRect();
|
|
if (map[_c.key]) {
|
|
kept.push(_c);
|
|
} else {
|
|
removed.push(_c);
|
|
}
|
|
}
|
|
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 + '-move';
|
|
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
|
|
return;
|
|
}
|
|
|
|
children.forEach(function (c) {
|
|
var oldPos = c.data.pos;
|
|
var newPos = c.elm.getBoundingClientRect();
|
|
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';
|
|
}
|
|
});
|
|
|
|
// force reflow to put everything in position
|
|
var f = document.body.offsetHeight; // eslint-disable-line
|
|
|
|
children.forEach(function (c) {
|
|
if (c.data.moved) {
|
|
(function () {
|
|
var el = c.elm;
|
|
/* istanbul ignore if */
|
|
if (el._pendingMoveCb) {
|
|
el._pendingMoveCb();
|
|
}
|
|
var s = el.style;
|
|
addTransitionClass(el, moveClass);
|
|
s.transform = s.WebkitTransform = s.transitionDuration = '';
|
|
el.addEventListener(transitionEndEvent, el._pendingMoveCb = function cb() {
|
|
el.removeEventListener(transitionEndEvent, cb);
|
|
el._pendingMoveCb = null;
|
|
removeTransitionClass(el, moveClass);
|
|
});
|
|
})();
|
|
}
|
|
});
|
|
},
|
|
|
|
|
|
methods: {
|
|
hasMove: function hasMove(el, moveClass) {
|
|
/* istanbul ignore if */
|
|
if (!hasTransition) {
|
|
return false;
|
|
}
|
|
if (this._hasMove != null) {
|
|
return this._hasMove;
|
|
}
|
|
addTransitionClass(el, moveClass);
|
|
var info = getTransitionInfo(el);
|
|
removeTransitionClass(el, moveClass);
|
|
return this._hasMove = info.hasTransform;
|
|
}
|
|
}
|
|
};
|
|
|
|
var platformComponents = {
|
|
Transition: Transition,
|
|
TransitionGroup: TransitionGroup
|
|
};
|
|
|
|
// install platform specific utils
|
|
Vue.config.isUnknownElement = isUnknownElement;
|
|
Vue.config.isReservedTag = isReservedTag;
|
|
Vue.config.getTagNamespace = getTagNamespace;
|
|
Vue.config.mustUseProp = mustUseProp;
|
|
|
|
// install platform runtime directives & components
|
|
extend(Vue.options.directives, platformDirectives);
|
|
extend(Vue.options.components, platformComponents);
|
|
|
|
// install platform patch function
|
|
Vue.prototype.__patch__ = config._isServer ? noop : patch;
|
|
|
|
// wrap mount
|
|
Vue.prototype.$mount = function (el, hydrating) {
|
|
el = el && !config._isServer ? query(el) : undefined;
|
|
return this._mount(el, hydrating);
|
|
};
|
|
|
|
// devtools global hook
|
|
/* istanbul ignore next */
|
|
setTimeout(function () {
|
|
if (config.devtools) {
|
|
if (devtools) {
|
|
devtools.emit('init', Vue);
|
|
} else if (process.env.NODE_ENV !== 'production' && inBrowser && /Chrome\/\d+/.test(window.navigator.userAgent)) {
|
|
console.log('Download the Vue Devtools for a better development experience:\n' + 'https://github.com/vuejs/vue-devtools');
|
|
}
|
|
}
|
|
}, 0);
|
|
|
|
module.exports = Vue; |