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6397 lines
186 KiB
6397 lines
186 KiB
/*!
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* Vue.js v2.0.0-beta.7
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* (c) 2014-2016 Evan You
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* Released under the MIT License.
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global.Vue = factory());
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}(this, function () { '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: "development" !== '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: "client" === '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 ("development" !== '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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/**
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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() {
|
|
// stablize the subscriber list first
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|
var subs = this.subs.slice();
|
|
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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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();
|
|
}
|
|
|
|
var queue = [];
|
|
var has = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
var flushing = false;
|
|
var index = 0;
|
|
|
|
/**
|
|
* Reset the scheduler's state.
|
|
*/
|
|
function resetSchedulerState() {
|
|
queue.length = 0;
|
|
has = {};
|
|
if ("development" !== 'production') {
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|
circular = {};
|
|
}
|
|
waiting = flushing = false;
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|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
function flushSchedulerQueue() {
|
|
flushing = true;
|
|
|
|
// Sort queue before flush.
|
|
// This ensures that:
|
|
// 1. Components are updated from parent to child. (because parent is always
|
|
// created before the child)
|
|
// 2. A component's user watchers are run before its render watcher (because
|
|
// user watchers are created before the render watcher)
|
|
// 3. If a component is destroyed during a parent component's watcher run,
|
|
// its watchers can be skipped.
|
|
queue.sort(function (a, b) {
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|
return a.id - b.id;
|
|
});
|
|
|
|
// do not cache length because more watchers might be pushed
|
|
// as we run existing watchers
|
|
for (index = 0; index < queue.length; index++) {
|
|
var watcher = queue[index];
|
|
var id = watcher.id;
|
|
has[id] = null;
|
|
watcher.run();
|
|
// in dev build, check and stop circular updates.
|
|
if ("development" !== '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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}
|
|
}
|
|
}
|
|
|
|
// devtool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
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|
|
|
resetSchedulerState();
|
|
}
|
|
|
|
/**
|
|
* Push a watcher into the watcher queue.
|
|
* Jobs with duplicate IDs will be skipped unless it's
|
|
* pushed when the queue is being flushed.
|
|
*/
|
|
function queueWatcher(watcher) {
|
|
var id = watcher.id;
|
|
if (has[id] == null) {
|
|
has[id] = true;
|
|
if (!flushing) {
|
|
queue.push(watcher);
|
|
} else {
|
|
// if already flushing, splice the watcher based on its id
|
|
// if already past its id, it will be run next immediately.
|
|
var i = queue.length - 1;
|
|
while (i >= 0 && queue[i].id > watcher.id) {
|
|
i--;
|
|
}
|
|
queue.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 () {};
|
|
"development" !== '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) {
|
|
"development" !== '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 ("development" !== '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) {
|
|
"development" !== '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) {
|
|
"development" !== '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.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
|
|
var _loop = function _loop(i) {
|
|
var key = keys[i];
|
|
/* istanbul ignore else */
|
|
if ("development" !== 'production') {
|
|
defineReactive(vm, key, validateProp(key, props, propsData, vm), function () {
|
|
if (vm.$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 {}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
_loop(i);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
}
|
|
}
|
|
|
|
function initData(vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function' ? data.call(vm) : data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
"development" !== 'production' && warn('data functions should return an object.', vm);
|
|
}
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var props = vm.$options.props;
|
|
var i = keys.length;
|
|
while (i--) {
|
|
if (props && hasOwn(props, keys[i])) {
|
|
"development" !== '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 ("development" !== '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 = // hoisted static node
|
|
// compoennt placeholder node
|
|
// rendered in this component's scope
|
|
function VNode(tag, data, children, text, elm, ns, context, componentOptions) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = ns;
|
|
this.context = context;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.child = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
this.isStatic = false;
|
|
this.isRootInsert = true;
|
|
this.isComment = 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);
|
|
}
|
|
} // necessary for enter transition check
|
|
// contains raw HTML
|
|
// component instance
|
|
;
|
|
|
|
var emptyVNode = function emptyVNode() {
|
|
var node = new VNode();
|
|
node.text = '';
|
|
node.isComment = true;
|
|
return node;
|
|
};
|
|
|
|
function normalizeChildren(children, ns) {
|
|
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 if (c !== '') {
|
|
// 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);
|
|
};
|
|
}
|
|
|
|
var activeInstance = null;
|
|
|
|
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 ("development" !== '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.$el;
|
|
var prevActiveInstance = activeInstance;
|
|
activeInstance = vm;
|
|
if (!vm._vnode) {
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
vm.$el = vm.__patch__(vm.$el, vnode, hydrating);
|
|
} else {
|
|
vm.$el = vm.__patch__(vm._vnode, vnode);
|
|
}
|
|
activeInstance = prevActiveInstance;
|
|
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;
|
|
var hasChildren = !!(vm.$options._renderChildren || renderChildren);
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$options._renderChildren = renderChildren;
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
observerState.shouldConvert = false;
|
|
if ("development" !== '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 ("development" !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
vm._updateListeners(listeners, oldListeners);
|
|
}
|
|
// force udpate if has children
|
|
if (hasChildren) {
|
|
vm.$forceUpdate();
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$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.$el.__vue__ = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
function callHook(vm, hook) {
|
|
var handlers = vm.$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, context, children, tag) {
|
|
if (!Ctor) {
|
|
return;
|
|
}
|
|
|
|
if (isObject(Ctor)) {
|
|
Ctor = Vue.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if ("development" !== 'production') {
|
|
warn('Invalid Component definition: ' + Ctor, context);
|
|
}
|
|
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
|
|
// $forceUpdate is buffered by the scheduler.
|
|
context.$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, context.$createElement, {
|
|
props: props,
|
|
data: data,
|
|
parent: context,
|
|
children: normalizeChildren(children),
|
|
slots: function slots() {
|
|
return resolveSlots(children);
|
|
}
|
|
})
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
// replace with listeners with .native modifier
|
|
data.on = data.nativeOn;
|
|
|
|
if (Ctor.options.abstract) {
|
|
// abstract components do not keep anything
|
|
// other than props & listeners
|
|
data = {};
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode('vue-component-' + Ctor.cid + (name ? '-' + name : ''), data, undefined, undefined, undefined, undefined, context, { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children });
|
|
return vnode;
|
|
}
|
|
|
|
function createComponentInstanceForVnode(vnode, // we know it's MountedComponentVNode but flow doesn't
|
|
parent // activeInstance in lifecycle state
|
|
) {
|
|
var vnodeComponentOptions = vnode.componentOptions;
|
|
var options = {
|
|
_isComponent: true,
|
|
parent: 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, activeInstance);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
}
|
|
}
|
|
|
|
function prepatch(oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
var child = vnode.child = oldVnode.child;
|
|
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) {
|
|
"development" !== '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 domProps = data.domProps;
|
|
|
|
if (attrs || props || domProps) {
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
checkProp(res, props, key, altKey, true) || checkProp(res, attrs, key, altKey) || checkProp(res, domProps, key, altKey);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function checkProp(res, hash, key, altKey, preserve) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
if (!preserve) {
|
|
delete hash[key];
|
|
}
|
|
return true;
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
if (!preserve) {
|
|
delete hash[altKey];
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
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$1(a, b) {
|
|
// since all hooks have at most two args, use fixed args
|
|
// to avoid having to use fn.apply().
|
|
return function (_, __) {
|
|
a(_, __);
|
|
b(_, __);
|
|
};
|
|
}
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement(tag, data, children) {
|
|
if (data && (Array.isArray(data) || typeof data !== 'object')) {
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
// make sure to use real instance instead of proxy as context
|
|
return _createElement(this._self, tag, data, children);
|
|
}
|
|
|
|
function _createElement(context, tag, data, children) {
|
|
if (data && data.__ob__) {
|
|
"development" !== 'production' && warn('Avoid using observed data object as vnode data: ' + JSON.stringify(data) + '\n' + 'Always create fresh vnode data objects in each render!', context);
|
|
return;
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return emptyVNode();
|
|
}
|
|
if (typeof tag === 'string') {
|
|
var Ctor = void 0;
|
|
var ns = config.getTagNamespace(tag);
|
|
if (config.isReservedTag(tag)) {
|
|
// platform built-in elements
|
|
return new VNode(tag, data, normalizeChildren(children, ns), undefined, undefined, ns, context);
|
|
} else if (Ctor = resolveAsset(context.$options, 'components', tag)) {
|
|
// component
|
|
return createComponent(Ctor, data, context, children, tag);
|
|
} else {
|
|
// unknown or unlisted namespaced elements
|
|