mirror of https://github.com/vuejs/vue.git
10030 lines
248 KiB
JavaScript
10030 lines
248 KiB
JavaScript
/*!
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* Vue.js v1.0.24
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* (c) 2016 Evan You
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* Released under the MIT License.
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*/
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'use strict';
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function set(obj, key, val) {
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if (hasOwn(obj, key)) {
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obj[key] = val;
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return;
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}
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if (obj._isVue) {
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set(obj._data, key, val);
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return;
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}
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var ob = obj.__ob__;
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if (!ob) {
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obj[key] = val;
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return;
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}
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ob.convert(key, val);
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ob.dep.notify();
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if (ob.vms) {
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var i = ob.vms.length;
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while (i--) {
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var vm = ob.vms[i];
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vm._proxy(key);
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vm._digest();
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}
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}
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return val;
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}
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/**
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* Delete a property and trigger change if necessary.
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*
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* @param {Object} obj
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* @param {String} key
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*/
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function del(obj, key) {
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if (!hasOwn(obj, key)) {
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return;
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}
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delete obj[key];
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var ob = obj.__ob__;
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if (!ob) {
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if (obj._isVue) {
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delete obj._data[key];
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obj._digest();
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}
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return;
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}
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ob.dep.notify();
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if (ob.vms) {
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var i = ob.vms.length;
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while (i--) {
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var vm = ob.vms[i];
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vm._unproxy(key);
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vm._digest();
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}
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}
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}
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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/**
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* Check whether the object has the property.
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*
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* @param {Object} obj
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* @param {String} key
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* @return {Boolean}
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*/
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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 an expression is a literal value.
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*
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* @param {String} exp
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* @return {Boolean}
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*/
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var literalValueRE = /^\s?(true|false|-?[\d\.]+|'[^']*'|"[^"]*")\s?$/;
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function isLiteral(exp) {
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return literalValueRE.test(exp);
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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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* @param {String} str
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* @return {Boolean}
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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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* Guard text output, make sure undefined outputs
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* empty string
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*
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* @param {*} value
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* @return {String}
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*/
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function _toString(value) {
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return value == null ? '' : value.toString();
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}
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/**
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* Check and convert possible numeric strings to numbers
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* before setting back to data
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*
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* @param {*} value
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* @return {*|Number}
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*/
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function toNumber(value) {
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if (typeof value !== 'string') {
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return value;
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} else {
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var parsed = Number(value);
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return isNaN(parsed) ? value : parsed;
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}
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}
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/**
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* Convert string boolean literals into real booleans.
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*
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* @param {*} value
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* @return {*|Boolean}
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*/
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function toBoolean(value) {
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return value === 'true' ? true : value === 'false' ? false : value;
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}
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/**
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* Strip quotes from a string
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*
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* @param {String} str
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* @return {String | false}
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*/
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function stripQuotes(str) {
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var a = str.charCodeAt(0);
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var b = str.charCodeAt(str.length - 1);
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return a === b && (a === 0x22 || a === 0x27) ? str.slice(1, -1) : str;
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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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* @param {String} str
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* @return {String}
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*/
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var camelizeRE = /-(\w)/g;
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function camelize(str) {
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return str.replace(camelizeRE, toUpper);
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}
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function toUpper(_, c) {
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return c ? c.toUpperCase() : '';
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}
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/**
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* Hyphenate a camelCase string.
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*
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* @param {String} str
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* @return {String}
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*/
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var hyphenateRE = /([a-z\d])([A-Z])/g;
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function hyphenate(str) {
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return str.replace(hyphenateRE, '$1-$2').toLowerCase();
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}
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/**
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* Converts hyphen/underscore/slash delimitered names into
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* camelized classNames.
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*
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* e.g. my-component => MyComponent
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* some_else => SomeElse
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* some/comp => SomeComp
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*
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* @param {String} str
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* @return {String}
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*/
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var classifyRE = /(?:^|[-_\/])(\w)/g;
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function classify(str) {
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return str.replace(classifyRE, toUpper);
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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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* @param {Function} fn
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* @param {Object} ctx
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* @return {Function}
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*/
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function bind(fn, ctx) {
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return function (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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}
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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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* @param {Array-like} list
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* @param {Number} [start] - start index
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* @return {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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* @param {Object} to
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* @param {Object} from
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*/
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function extend(to, from) {
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var keys = Object.keys(from);
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var i = keys.length;
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while (i--) {
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to[keys[i]] = from[keys[i]];
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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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* @param {*} obj
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* @return {Boolean}
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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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* @param {*} obj
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* @return {Boolean}
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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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* Array type check.
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*
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* @param {*} obj
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* @return {Boolean}
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*/
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var isArray = Array.isArray;
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/**
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* Define a property.
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*
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* @param {Object} obj
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* @param {String} key
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* @param {*} val
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* @param {Boolean} [enumerable]
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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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* Debounce a function so it only gets called after the
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* input stops arriving after the given wait period.
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*
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* @param {Function} func
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* @param {Number} wait
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* @return {Function} - the debounced function
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*/
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function _debounce(func, wait) {
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var timeout, args, context, timestamp, result;
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var later = function later() {
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var last = Date.now() - timestamp;
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if (last < wait && last >= 0) {
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timeout = setTimeout(later, wait - last);
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} else {
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timeout = null;
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result = func.apply(context, args);
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if (!timeout) context = args = null;
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}
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};
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return function () {
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context = this;
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args = arguments;
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timestamp = Date.now();
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if (!timeout) {
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timeout = setTimeout(later, wait);
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}
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return result;
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};
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}
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/**
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* Manual indexOf because it's slightly faster than
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* native.
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*
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* @param {Array} arr
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* @param {*} obj
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*/
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function indexOf(arr, obj) {
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var i = arr.length;
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while (i--) {
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if (arr[i] === obj) return i;
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}
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return -1;
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}
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/**
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* Make a cancellable version of an async callback.
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*
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* @param {Function} fn
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* @return {Function}
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*/
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function cancellable(fn) {
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var cb = function cb() {
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if (!cb.cancelled) {
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return fn.apply(this, arguments);
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}
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};
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cb.cancel = function () {
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cb.cancelled = true;
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};
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return cb;
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}
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/**
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* Check if two values are loosely equal - that is,
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* if they are plain objects, do they have the same shape?
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*
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* @param {*} a
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* @param {*} b
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* @return {Boolean}
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*/
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function looseEqual(a, b) {
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/* eslint-disable eqeqeq */
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return a == b || (isObject(a) && isObject(b) ? JSON.stringify(a) === JSON.stringify(b) : false);
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/* eslint-enable eqeqeq */
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}
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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 isIE9 = UA && UA.indexOf('msie 9.0') > 0;
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var isAndroid = UA && UA.indexOf('android') > 0;
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var isIos = UA && /(iphone|ipad|ipod|ios)/i.test(UA);
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var isWechat = UA && UA.indexOf('micromessenger') > 0;
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var transitionProp = undefined;
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var transitionEndEvent = undefined;
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var animationProp = undefined;
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var animationEndEvent = undefined;
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// Transition property/event sniffing
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if (inBrowser && !isIE9) {
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var isWebkitTrans = window.ontransitionend === undefined && window.onwebkittransitionend !== undefined;
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var isWebkitAnim = window.onanimationend === undefined && window.onwebkitanimationend !== undefined;
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transitionProp = isWebkitTrans ? 'WebkitTransition' : 'transition';
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transitionEndEvent = isWebkitTrans ? 'webkitTransitionEnd' : 'transitionend';
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animationProp = isWebkitAnim ? 'WebkitAnimation' : 'animation';
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animationEndEvent = isWebkitAnim ? 'webkitAnimationEnd' : 'animationend';
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}
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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;
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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 if */
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if (typeof MutationObserver !== 'undefined' && !(isWechat && isIos)) {
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var counter = 1;
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var observer = new MutationObserver(nextTickHandler);
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var textNode = document.createTextNode(counter);
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observer.observe(textNode, {
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characterData: true
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});
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timerFunc = function () {
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counter = (counter + 1) % 2;
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textNode.data = counter;
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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 = undefined;
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/* istanbul ignore if */
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if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) {
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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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this.set = Object.create(null);
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};
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_Set.prototype.has = function (key) {
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return this.set[key] !== undefined;
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};
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_Set.prototype.add = function (key) {
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this.set[key] = 1;
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};
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_Set.prototype.clear = function () {
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this.set = Object.create(null);
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};
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}
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function Cache(limit) {
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this.size = 0;
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this.limit = limit;
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this.head = this.tail = undefined;
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this._keymap = Object.create(null);
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}
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var p = Cache.prototype;
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/**
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* Put <value> into the cache associated with <key>.
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* Returns the entry which was removed to make room for
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* the new entry. Otherwise undefined is returned.
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* (i.e. if there was enough room already).
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*
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* @param {String} key
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* @param {*} value
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* @return {Entry|undefined}
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*/
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p.put = function (key, value) {
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var removed;
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if (this.size === this.limit) {
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removed = this.shift();
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}
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var entry = this.get(key, true);
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if (!entry) {
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entry = {
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key: key
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};
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this._keymap[key] = entry;
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if (this.tail) {
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this.tail.newer = entry;
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entry.older = this.tail;
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} else {
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this.head = entry;
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}
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this.tail = entry;
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this.size++;
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}
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entry.value = value;
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return removed;
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};
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|
|
/**
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|
* Purge the least recently used (oldest) entry from the
|
|
* cache. Returns the removed entry or undefined if the
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* cache was empty.
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*/
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p.shift = function () {
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var entry = this.head;
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if (entry) {
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this.head = this.head.newer;
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this.head.older = undefined;
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entry.newer = entry.older = undefined;
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this._keymap[entry.key] = undefined;
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this.size--;
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}
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return entry;
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};
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|
|
/**
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|
* Get and register recent use of <key>. Returns the value
|
|
* associated with <key> or undefined if not in cache.
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|
*
|
|
* @param {String} key
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* @param {Boolean} returnEntry
|
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* @return {Entry|*}
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*/
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p.get = function (key, returnEntry) {
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var entry = this._keymap[key];
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if (entry === undefined) return;
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if (entry === this.tail) {
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return returnEntry ? entry : entry.value;
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|
}
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|
// HEAD--------------TAIL
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|
// <.older .newer>
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|
// <--- add direction --
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// A B C <D> E
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|
if (entry.newer) {
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if (entry === this.head) {
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this.head = entry.newer;
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}
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entry.newer.older = entry.older; // C <-- E.
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}
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if (entry.older) {
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entry.older.newer = entry.newer; // C. --> E
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}
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entry.newer = undefined; // D --x
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entry.older = this.tail; // D. --> E
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if (this.tail) {
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this.tail.newer = entry; // E. <-- D
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}
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this.tail = entry;
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return returnEntry ? entry : entry.value;
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};
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|
|
var cache$1 = new Cache(1000);
|
|
var filterTokenRE = /[^\s'"]+|'[^']*'|"[^"]*"/g;
|
|
var reservedArgRE = /^in$|^-?\d+/;
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|
|
|
/**
|
|
* Parser state
|
|
*/
|
|
|
|
var str;
|
|
var dir;
|
|
var c;
|
|
var prev;
|
|
var i;
|
|
var l;
|
|
var lastFilterIndex;
|
|
var inSingle;
|
|
var inDouble;
|
|
var curly;
|
|
var square;
|
|
var paren;
|
|
/**
|
|
* Push a filter to the current directive object
|
|
*/
|
|
|
|
function pushFilter() {
|
|
var exp = str.slice(lastFilterIndex, i).trim();
|
|
var filter;
|
|
if (exp) {
|
|
filter = {};
|
|
var tokens = exp.match(filterTokenRE);
|
|
filter.name = tokens[0];
|
|
if (tokens.length > 1) {
|
|
filter.args = tokens.slice(1).map(processFilterArg);
|
|
}
|
|
}
|
|
if (filter) {
|
|
(dir.filters = dir.filters || []).push(filter);
|
|
}
|
|
lastFilterIndex = i + 1;
|
|
}
|
|
|
|
/**
|
|
* Check if an argument is dynamic and strip quotes.
|
|
*
|
|
* @param {String} arg
|
|
* @return {Object}
|
|
*/
|
|
|
|
function processFilterArg(arg) {
|
|
if (reservedArgRE.test(arg)) {
|
|
return {
|
|
value: toNumber(arg),
|
|
dynamic: false
|
|
};
|
|
} else {
|
|
var stripped = stripQuotes(arg);
|
|
var dynamic = stripped === arg;
|
|
return {
|
|
value: dynamic ? arg : stripped,
|
|
dynamic: dynamic
|
|
};
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse a directive value and extract the expression
|
|
* and its filters into a descriptor.
|
|
*
|
|
* Example:
|
|
*
|
|
* "a + 1 | uppercase" will yield:
|
|
* {
|
|
* expression: 'a + 1',
|
|
* filters: [
|
|
* { name: 'uppercase', args: null }
|
|
* ]
|
|
* }
|
|
*
|
|
* @param {String} s
|
|
* @return {Object}
|
|
*/
|
|
|
|
function parseDirective(s) {
|
|
var hit = cache$1.get(s);
|
|
if (hit) {
|
|
return hit;
|
|
}
|
|
|
|
// reset parser state
|
|
str = s;
|
|
inSingle = inDouble = false;
|
|
curly = square = paren = 0;
|
|
lastFilterIndex = 0;
|
|
dir = {};
|
|
|
|
for (i = 0, l = str.length; i < l; i++) {
|
|
prev = c;
|
|
c = str.charCodeAt(i);
|
|
if (inSingle) {
|
|
// check single quote
|
|
if (c === 0x27 && prev !== 0x5C) inSingle = !inSingle;
|
|
} else if (inDouble) {
|
|
// check double quote
|
|
if (c === 0x22 && prev !== 0x5C) inDouble = !inDouble;
|
|
} else if (c === 0x7C && // pipe
|
|
str.charCodeAt(i + 1) !== 0x7C && str.charCodeAt(i - 1) !== 0x7C) {
|
|
if (dir.expression == null) {
|
|
// first filter, end of expression
|
|
lastFilterIndex = i + 1;
|
|
dir.expression = str.slice(0, i).trim();
|
|
} else {
|
|
// already has filter
|
|
pushFilter();
|
|
}
|
|
} else {
|
|
switch (c) {
|
|
case 0x22:
|
|
inDouble = true;break; // "
|
|
case 0x27:
|
|
inSingle = true;break; // '
|
|
case 0x28:
|
|
paren++;break; // (
|
|
case 0x29:
|
|
paren--;break; // )
|
|
case 0x5B:
|
|
square++;break; // [
|
|
case 0x5D:
|
|
square--;break; // ]
|
|
case 0x7B:
|
|
curly++;break; // {
|
|
case 0x7D:
|
|
curly--;break; // }
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dir.expression == null) {
|
|
dir.expression = str.slice(0, i).trim();
|
|
} else if (lastFilterIndex !== 0) {
|
|
pushFilter();
|
|
}
|
|
|
|
cache$1.put(s, dir);
|
|
return dir;
|
|
}
|
|
|
|
var directive = Object.freeze({
|
|
parseDirective: parseDirective
|
|
});
|
|
|
|
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
|
|
var cache = undefined;
|
|
var tagRE = undefined;
|
|
var htmlRE = undefined;
|
|
/**
|
|
* Escape a string so it can be used in a RegExp
|
|
* constructor.
|
|
*
|
|
* @param {String} str
|
|
*/
|
|
|
|
function escapeRegex(str) {
|
|
return str.replace(regexEscapeRE, '\\$&');
|
|
}
|
|
|
|
function compileRegex() {
|
|
var open = escapeRegex(config.delimiters[0]);
|
|
var close = escapeRegex(config.delimiters[1]);
|
|
var unsafeOpen = escapeRegex(config.unsafeDelimiters[0]);
|
|
var unsafeClose = escapeRegex(config.unsafeDelimiters[1]);
|
|
tagRE = new RegExp(unsafeOpen + '((?:.|\\n)+?)' + unsafeClose + '|' + open + '((?:.|\\n)+?)' + close, 'g');
|
|
htmlRE = new RegExp('^' + unsafeOpen + '.*' + unsafeClose + '$');
|
|
// reset cache
|
|
cache = new Cache(1000);
|
|
}
|
|
|
|
/**
|
|
* Parse a template text string into an array of tokens.
|
|
*
|
|
* @param {String} text
|
|
* @return {Array<Object> | null}
|
|
* - {String} type
|
|
* - {String} value
|
|
* - {Boolean} [html]
|
|
* - {Boolean} [oneTime]
|
|
*/
|
|
|
|
function parseText(text) {
|
|
if (!cache) {
|
|
compileRegex();
|
|
}
|
|
var hit = cache.get(text);
|
|
if (hit) {
|
|
return hit;
|
|
}
|
|
if (!tagRE.test(text)) {
|
|
return null;
|
|
}
|
|
var tokens = [];
|
|
var lastIndex = tagRE.lastIndex = 0;
|
|
var match, index, html, value, first, oneTime;
|
|
/* eslint-disable no-cond-assign */
|
|
while (match = tagRE.exec(text)) {
|
|
/* eslint-enable no-cond-assign */
|
|
index = match.index;
|
|
// push text token
|
|
if (index > lastIndex) {
|
|
tokens.push({
|
|
value: text.slice(lastIndex, index)
|
|
});
|
|
}
|
|
// tag token
|
|
html = htmlRE.test(match[0]);
|
|
value = html ? match[1] : match[2];
|
|
first = value.charCodeAt(0);
|
|
oneTime = first === 42; // *
|
|
value = oneTime ? value.slice(1) : value;
|
|
tokens.push({
|
|
tag: true,
|
|
value: value.trim(),
|
|
html: html,
|
|
oneTime: oneTime
|
|
});
|
|
lastIndex = index + match[0].length;
|
|
}
|
|
if (lastIndex < text.length) {
|
|
tokens.push({
|
|
value: text.slice(lastIndex)
|
|
});
|
|
}
|
|
cache.put(text, tokens);
|
|
return tokens;
|
|
}
|
|
|
|
/**
|
|
* Format a list of tokens into an expression.
|
|
* e.g. tokens parsed from 'a {{b}} c' can be serialized
|
|
* into one single expression as '"a " + b + " c"'.
|
|
*
|
|
* @param {Array} tokens
|
|
* @param {Vue} [vm]
|
|
* @return {String}
|
|
*/
|
|
|
|
function tokensToExp(tokens, vm) {
|
|
if (tokens.length > 1) {
|
|
return tokens.map(function (token) {
|
|
return formatToken(token, vm);
|
|
}).join('+');
|
|
} else {
|
|
return formatToken(tokens[0], vm, true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Format a single token.
|
|
*
|
|
* @param {Object} token
|
|
* @param {Vue} [vm]
|
|
* @param {Boolean} [single]
|
|
* @return {String}
|
|
*/
|
|
|
|
function formatToken(token, vm, single) {
|
|
return token.tag ? token.oneTime && vm ? '"' + vm.$eval(token.value) + '"' : inlineFilters(token.value, single) : '"' + token.value + '"';
|
|
}
|
|
|
|
/**
|
|
* For an attribute with multiple interpolation tags,
|
|
* e.g. attr="some-{{thing | filter}}", in order to combine
|
|
* the whole thing into a single watchable expression, we
|
|
* have to inline those filters. This function does exactly
|
|
* that. This is a bit hacky but it avoids heavy changes
|
|
* to directive parser and watcher mechanism.
|
|
*
|
|
* @param {String} exp
|
|
* @param {Boolean} single
|
|
* @return {String}
|
|
*/
|
|
|
|
var filterRE = /[^|]\|[^|]/;
|
|
function inlineFilters(exp, single) {
|
|
if (!filterRE.test(exp)) {
|
|
return single ? exp : '(' + exp + ')';
|
|
} else {
|
|
var dir = parseDirective(exp);
|
|
if (!dir.filters) {
|
|
return '(' + exp + ')';
|
|
} else {
|
|
return 'this._applyFilters(' + dir.expression + // value
|
|
',null,' + // oldValue (null for read)
|
|
JSON.stringify(dir.filters) + // filter descriptors
|
|
',false)'; // write?
|
|
}
|
|
}
|
|
}
|
|
|
|
var text = Object.freeze({
|
|
compileRegex: compileRegex,
|
|
parseText: parseText,
|
|
tokensToExp: tokensToExp
|
|
});
|
|
|
|
var delimiters = ['{{', '}}'];
|
|
var unsafeDelimiters = ['{{{', '}}}'];
|
|
|
|
var config = Object.defineProperties({
|
|
|
|
/**
|
|
* Whether to print debug messages.
|
|
* Also enables stack trace for warnings.
|
|
*
|
|
* @type {Boolean}
|
|
*/
|
|
|
|
debug: false,
|
|
|
|
/**
|
|
* Whether to suppress warnings.
|
|
*
|
|
* @type {Boolean}
|
|
*/
|
|
|
|
silent: false,
|
|
|
|
/**
|
|
* Whether to use async rendering.
|
|
*/
|
|
|
|
async: true,
|
|
|
|
/**
|
|
* Whether to warn against errors caught when evaluating
|
|
* expressions.
|
|
*/
|
|
|
|
warnExpressionErrors: true,
|
|
|
|
/**
|
|
* Whether to allow devtools inspection.
|
|
* Disabled by default in production builds.
|
|
*/
|
|
|
|
devtools: process.env.NODE_ENV !== 'production',
|
|
|
|
/**
|
|
* Internal flag to indicate the delimiters have been
|
|
* changed.
|
|
*
|
|
* @type {Boolean}
|
|
*/
|
|
|
|
_delimitersChanged: true,
|
|
|
|
/**
|
|
* List of asset types that a component can own.
|
|
*
|
|
* @type {Array}
|
|
*/
|
|
|
|
_assetTypes: ['component', 'directive', 'elementDirective', 'filter', 'transition', 'partial'],
|
|
|
|
/**
|
|
* prop binding modes
|
|
*/
|
|
|
|
_propBindingModes: {
|
|
ONE_WAY: 0,
|
|
TWO_WAY: 1,
|
|
ONE_TIME: 2
|
|
},
|
|
|
|
/**
|
|
* Max circular updates allowed in a batcher flush cycle.
|
|
*/
|
|
|
|
_maxUpdateCount: 100
|
|
|
|
}, {
|
|
delimiters: { /**
|
|
* Interpolation delimiters. Changing these would trigger
|
|
* the text parser to re-compile the regular expressions.
|
|
*
|
|
* @type {Array<String>}
|
|
*/
|
|
|
|
get: function get() {
|
|
return delimiters;
|
|
},
|
|
set: function set(val) {
|
|
delimiters = val;
|
|
compileRegex();
|
|
},
|
|
configurable: true,
|
|
enumerable: true
|
|
},
|
|
unsafeDelimiters: {
|
|
get: function get() {
|
|
return unsafeDelimiters;
|
|
},
|
|
set: function set(val) {
|
|
unsafeDelimiters = val;
|
|
compileRegex();
|
|
},
|
|
configurable: true,
|
|
enumerable: true
|
|
}
|
|
});
|
|
|
|
var warn = undefined;
|
|
var formatComponentName = undefined;
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(function () {
|
|
var hasConsole = typeof console !== 'undefined';
|
|
|
|
warn = function (msg, vm) {
|
|
if (hasConsole && !config.silent) {
|
|
console.error('[Vue warn]: ' + msg + (vm ? formatComponentName(vm) : ''));
|
|
}
|
|
};
|
|
|
|
formatComponentName = function (vm) {
|
|
var name = vm._isVue ? vm.$options.name : vm.name;
|
|
return name ? ' (found in component: <' + hyphenate(name) + '>)' : '';
|
|
};
|
|
})();
|
|
}
|
|
|
|
/**
|
|
* Append with transition.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Element} target
|
|
* @param {Vue} vm
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function appendWithTransition(el, target, vm, cb) {
|
|
applyTransition(el, 1, function () {
|
|
target.appendChild(el);
|
|
}, vm, cb);
|
|
}
|
|
|
|
/**
|
|
* InsertBefore with transition.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Element} target
|
|
* @param {Vue} vm
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function beforeWithTransition(el, target, vm, cb) {
|
|
applyTransition(el, 1, function () {
|
|
before(el, target);
|
|
}, vm, cb);
|
|
}
|
|
|
|
/**
|
|
* Remove with transition.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Vue} vm
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function removeWithTransition(el, vm, cb) {
|
|
applyTransition(el, -1, function () {
|
|
remove(el);
|
|
}, vm, cb);
|
|
}
|
|
|
|
/**
|
|
* Apply transitions with an operation callback.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Number} direction
|
|
* 1: enter
|
|
* -1: leave
|
|
* @param {Function} op - the actual DOM operation
|
|
* @param {Vue} vm
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function applyTransition(el, direction, op, vm, cb) {
|
|
var transition = el.__v_trans;
|
|
if (!transition ||
|
|
// skip if there are no js hooks and CSS transition is
|
|
// not supported
|
|
!transition.hooks && !transitionEndEvent ||
|
|
// skip transitions for initial compile
|
|
!vm._isCompiled ||
|
|
// if the vm is being manipulated by a parent directive
|
|
// during the parent's compilation phase, skip the
|
|
// animation.
|
|
vm.$parent && !vm.$parent._isCompiled) {
|
|
op();
|
|
if (cb) cb();
|
|
return;
|
|
}
|
|
var action = direction > 0 ? 'enter' : 'leave';
|
|
transition[action](op, cb);
|
|
}
|
|
|
|
var transition = Object.freeze({
|
|
appendWithTransition: appendWithTransition,
|
|
beforeWithTransition: beforeWithTransition,
|
|
removeWithTransition: removeWithTransition,
|
|
applyTransition: applyTransition
|
|
});
|
|
|
|
/**
|
|
* Query an element selector if it's not an element already.
|
|
*
|
|
* @param {String|Element} el
|
|
* @return {Element}
|
|
*/
|
|
|
|
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 el;
|
|
}
|
|
|
|
/**
|
|
* Check if a node is in the document.
|
|
* Note: document.documentElement.contains should work here
|
|
* but always returns false for comment nodes in phantomjs,
|
|
* making unit tests difficult. This is fixed by doing the
|
|
* contains() check on the node's parentNode instead of
|
|
* the node itself.
|
|
*
|
|
* @param {Node} node
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function inDoc(node) {
|
|
if (!node) return false;
|
|
var doc = node.ownerDocument.documentElement;
|
|
var parent = node.parentNode;
|
|
return doc === node || doc === parent || !!(parent && parent.nodeType === 1 && doc.contains(parent));
|
|
}
|
|
|
|
/**
|
|
* Get and remove an attribute from a node.
|
|
*
|
|
* @param {Node} node
|
|
* @param {String} _attr
|
|
*/
|
|
|
|
function getAttr(node, _attr) {
|
|
var val = node.getAttribute(_attr);
|
|
if (val !== null) {
|
|
node.removeAttribute(_attr);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/**
|
|
* Get an attribute with colon or v-bind: prefix.
|
|
*
|
|
* @param {Node} node
|
|
* @param {String} name
|
|
* @return {String|null}
|
|
*/
|
|
|
|
function getBindAttr(node, name) {
|
|
var val = getAttr(node, ':' + name);
|
|
if (val === null) {
|
|
val = getAttr(node, 'v-bind:' + name);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/**
|
|
* Check the presence of a bind attribute.
|
|
*
|
|
* @param {Node} node
|
|
* @param {String} name
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function hasBindAttr(node, name) {
|
|
return node.hasAttribute(name) || node.hasAttribute(':' + name) || node.hasAttribute('v-bind:' + name);
|
|
}
|
|
|
|
/**
|
|
* Insert el before target
|
|
*
|
|
* @param {Element} el
|
|
* @param {Element} target
|
|
*/
|
|
|
|
function before(el, target) {
|
|
target.parentNode.insertBefore(el, target);
|
|
}
|
|
|
|
/**
|
|
* Insert el after target
|
|
*
|
|
* @param {Element} el
|
|
* @param {Element} target
|
|
*/
|
|
|
|
function after(el, target) {
|
|
if (target.nextSibling) {
|
|
before(el, target.nextSibling);
|
|
} else {
|
|
target.parentNode.appendChild(el);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove el from DOM
|
|
*
|
|
* @param {Element} el
|
|
*/
|
|
|
|
function remove(el) {
|
|
el.parentNode.removeChild(el);
|
|
}
|
|
|
|
/**
|
|
* Prepend el to target
|
|
*
|
|
* @param {Element} el
|
|
* @param {Element} target
|
|
*/
|
|
|
|
function prepend(el, target) {
|
|
if (target.firstChild) {
|
|
before(el, target.firstChild);
|
|
} else {
|
|
target.appendChild(el);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replace target with el
|
|
*
|
|
* @param {Element} target
|
|
* @param {Element} el
|
|
*/
|
|
|
|
function replace(target, el) {
|
|
var parent = target.parentNode;
|
|
if (parent) {
|
|
parent.replaceChild(el, target);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add event listener shorthand.
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} event
|
|
* @param {Function} cb
|
|
* @param {Boolean} [useCapture]
|
|
*/
|
|
|
|
function on(el, event, cb, useCapture) {
|
|
el.addEventListener(event, cb, useCapture);
|
|
}
|
|
|
|
/**
|
|
* Remove event listener shorthand.
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} event
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
function off(el, event, cb) {
|
|
el.removeEventListener(event, cb);
|
|
}
|
|
|
|
/**
|
|
* For IE9 compat: when both class and :class are present
|
|
* getAttribute('class') returns wrong value...
|
|
*
|
|
* @param {Element} el
|
|
* @return {String}
|
|
*/
|
|
|
|
function getClass(el) {
|
|
var classname = el.className;
|
|
if (typeof classname === 'object') {
|
|
classname = classname.baseVal || '';
|
|
}
|
|
return classname;
|
|
}
|
|
|
|
/**
|
|
* In IE9, setAttribute('class') will result in empty class
|
|
* if the element also has the :class attribute; However in
|
|
* PhantomJS, setting `className` does not work on SVG elements...
|
|
* So we have to do a conditional check here.
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} cls
|
|
*/
|
|
|
|
function setClass(el, cls) {
|
|
/* istanbul ignore if */
|
|
if (isIE9 && !/svg$/.test(el.namespaceURI)) {
|
|
el.className = cls;
|
|
} else {
|
|
el.setAttribute('class', cls);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add class with compatibility for IE & SVG
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} cls
|
|
*/
|
|
|
|
function addClass(el, cls) {
|
|
if (el.classList) {
|
|
el.classList.add(cls);
|
|
} else {
|
|
var cur = ' ' + getClass(el) + ' ';
|
|
if (cur.indexOf(' ' + cls + ' ') < 0) {
|
|
setClass(el, (cur + cls).trim());
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove class with compatibility for IE & SVG
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} cls
|
|
*/
|
|
|
|
function removeClass(el, cls) {
|
|
if (el.classList) {
|
|
el.classList.remove(cls);
|
|
} else {
|
|
var cur = ' ' + getClass(el) + ' ';
|
|
var tar = ' ' + cls + ' ';
|
|
while (cur.indexOf(tar) >= 0) {
|
|
cur = cur.replace(tar, ' ');
|
|
}
|
|
setClass(el, cur.trim());
|
|
}
|
|
if (!el.className) {
|
|
el.removeAttribute('class');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extract raw content inside an element into a temporary
|
|
* container div
|
|
*
|
|
* @param {Element} el
|
|
* @param {Boolean} asFragment
|
|
* @return {Element|DocumentFragment}
|
|
*/
|
|
|
|
function extractContent(el, asFragment) {
|
|
var child;
|
|
var rawContent;
|
|
/* istanbul ignore if */
|
|
if (isTemplate(el) && isFragment(el.content)) {
|
|
el = el.content;
|
|
}
|
|
if (el.hasChildNodes()) {
|
|
trimNode(el);
|
|
rawContent = asFragment ? document.createDocumentFragment() : document.createElement('div');
|
|
/* eslint-disable no-cond-assign */
|
|
while (child = el.firstChild) {
|
|
/* eslint-enable no-cond-assign */
|
|
rawContent.appendChild(child);
|
|
}
|
|
}
|
|
return rawContent;
|
|
}
|
|
|
|
/**
|
|
* Trim possible empty head/tail text and comment
|
|
* nodes inside a parent.
|
|
*
|
|
* @param {Node} node
|
|
*/
|
|
|
|
function trimNode(node) {
|
|
var child;
|
|
/* eslint-disable no-sequences */
|
|
while ((child = node.firstChild, isTrimmable(child))) {
|
|
node.removeChild(child);
|
|
}
|
|
while ((child = node.lastChild, isTrimmable(child))) {
|
|
node.removeChild(child);
|
|
}
|
|
/* eslint-enable no-sequences */
|
|
}
|
|
|
|
function isTrimmable(node) {
|
|
return node && (node.nodeType === 3 && !node.data.trim() || node.nodeType === 8);
|
|
}
|
|
|
|
/**
|
|
* Check if an element is a template tag.
|
|
* Note if the template appears inside an SVG its tagName
|
|
* will be in lowercase.
|
|
*
|
|
* @param {Element} el
|
|
*/
|
|
|
|
function isTemplate(el) {
|
|
return el.tagName && el.tagName.toLowerCase() === 'template';
|
|
}
|
|
|
|
/**
|
|
* Create an "anchor" for performing dom insertion/removals.
|
|
* This is used in a number of scenarios:
|
|
* - fragment instance
|
|
* - v-html
|
|
* - v-if
|
|
* - v-for
|
|
* - component
|
|
*
|
|
* @param {String} content
|
|
* @param {Boolean} persist - IE trashes empty textNodes on
|
|
* cloneNode(true), so in certain
|
|
* cases the anchor needs to be
|
|
* non-empty to be persisted in
|
|
* templates.
|
|
* @return {Comment|Text}
|
|
*/
|
|
|
|
function createAnchor(content, persist) {
|
|
var anchor = config.debug ? document.createComment(content) : document.createTextNode(persist ? ' ' : '');
|
|
anchor.__v_anchor = true;
|
|
return anchor;
|
|
}
|
|
|
|
/**
|
|
* Find a component ref attribute that starts with $.
|
|
*
|
|
* @param {Element} node
|
|
* @return {String|undefined}
|
|
*/
|
|
|
|
var refRE = /^v-ref:/;
|
|
|
|
function findRef(node) {
|
|
if (node.hasAttributes()) {
|
|
var attrs = node.attributes;
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
var name = attrs[i].name;
|
|
if (refRE.test(name)) {
|
|
return camelize(name.replace(refRE, ''));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Map a function to a range of nodes .
|
|
*
|
|
* @param {Node} node
|
|
* @param {Node} end
|
|
* @param {Function} op
|
|
*/
|
|
|
|
function mapNodeRange(node, end, op) {
|
|
var next;
|
|
while (node !== end) {
|
|
next = node.nextSibling;
|
|
op(node);
|
|
node = next;
|
|
}
|
|
op(end);
|
|
}
|
|
|
|
/**
|
|
* Remove a range of nodes with transition, store
|
|
* the nodes in a fragment with correct ordering,
|
|
* and call callback when done.
|
|
*
|
|
* @param {Node} start
|
|
* @param {Node} end
|
|
* @param {Vue} vm
|
|
* @param {DocumentFragment} frag
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
function removeNodeRange(start, end, vm, frag, cb) {
|
|
var done = false;
|
|
var removed = 0;
|
|
var nodes = [];
|
|
mapNodeRange(start, end, function (node) {
|
|
if (node === end) done = true;
|
|
nodes.push(node);
|
|
removeWithTransition(node, vm, onRemoved);
|
|
});
|
|
function onRemoved() {
|
|
removed++;
|
|
if (done && removed >= nodes.length) {
|
|
for (var i = 0; i < nodes.length; i++) {
|
|
frag.appendChild(nodes[i]);
|
|
}
|
|
cb && cb();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if a node is a DocumentFragment.
|
|
*
|
|
* @param {Node} node
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function isFragment(node) {
|
|
return node && node.nodeType === 11;
|
|
}
|
|
|
|
/**
|
|
* Get outerHTML of elements, taking care
|
|
* of SVG elements in IE as well.
|
|
*
|
|
* @param {Element} el
|
|
* @return {String}
|
|
*/
|
|
|
|
function getOuterHTML(el) {
|
|
if (el.outerHTML) {
|
|
return el.outerHTML;
|
|
} else {
|
|
var container = document.createElement('div');
|
|
container.appendChild(el.cloneNode(true));
|
|
return container.innerHTML;
|
|
}
|
|
}
|
|
|
|
var commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/i;
|
|
var reservedTagRE = /^(slot|partial|component)$/i;
|
|
|
|
var isUnknownElement = undefined;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
isUnknownElement = function (el, tag) {
|
|
if (tag.indexOf('-') > -1) {
|
|
// http://stackoverflow.com/a/28210364/1070244
|
|
return el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement;
|
|
} else {
|
|
return (/HTMLUnknownElement/.test(el.toString()) &&
|
|
// Chrome returns unknown for several HTML5 elements.
|
|
// https://code.google.com/p/chromium/issues/detail?id=540526
|
|
!/^(data|time|rtc|rb)$/.test(tag)
|
|
);
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Check if an element is a component, if yes return its
|
|
* component id.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Object|undefined}
|
|
*/
|
|
|
|
function checkComponentAttr(el, options) {
|
|
var tag = el.tagName.toLowerCase();
|
|
var hasAttrs = el.hasAttributes();
|
|
if (!commonTagRE.test(tag) && !reservedTagRE.test(tag)) {
|
|
if (resolveAsset(options, 'components', tag)) {
|
|
return { id: tag };
|
|
} else {
|
|
var is = hasAttrs && getIsBinding(el, options);
|
|
if (is) {
|
|
return is;
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
var expectedTag = options._componentNameMap && options._componentNameMap[tag];
|
|
if (expectedTag) {
|
|
warn('Unknown custom element: <' + tag + '> - ' + 'did you mean <' + expectedTag + '>? ' + 'HTML is case-insensitive, remember to use kebab-case in templates.');
|
|
} else if (isUnknownElement(el, tag)) {
|
|
warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.');
|
|
}
|
|
}
|
|
}
|
|
} else if (hasAttrs) {
|
|
return getIsBinding(el, options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get "is" binding from an element.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Object|undefined}
|
|
*/
|
|
|
|
function getIsBinding(el, options) {
|
|
// dynamic syntax
|
|
var exp = el.getAttribute('is');
|
|
if (exp != null) {
|
|
if (resolveAsset(options, 'components', exp)) {
|
|
el.removeAttribute('is');
|
|
return { id: exp };
|
|
}
|
|
} else {
|
|
exp = getBindAttr(el, 'is');
|
|
if (exp != null) {
|
|
return { id: exp, dynamic: true };
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Option overwriting strategies are functions that handle
|
|
* how to merge a parent option value and a child option
|
|
* value into the final value.
|
|
*
|
|
* All strategy functions follow the same signature:
|
|
*
|
|
* @param {*} parentVal
|
|
* @param {*} childVal
|
|
* @param {Vue} [vm]
|
|
*/
|
|
|
|
var strats = config.optionMergeStrategies = Object.create(null);
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
|
|
function mergeData(to, from) {
|
|
var key, toVal, fromVal;
|
|
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;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
/**
|
|
* El
|
|
*/
|
|
|
|
strats.el = function (parentVal, childVal, vm) {
|
|
if (!vm && childVal && typeof childVal !== 'function') {
|
|
process.env.NODE_ENV !== 'production' && warn('The "el" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm);
|
|
return;
|
|
}
|
|
var ret = childVal || parentVal;
|
|
// invoke the element factory if this is instance merge
|
|
return vm && typeof ret === 'function' ? ret.call(vm) : ret;
|
|
};
|
|
|
|
/**
|
|
* Hooks and param attributes are merged as arrays.
|
|
*/
|
|
|
|
strats.init = strats.created = strats.ready = strats.attached = strats.detached = strats.beforeCompile = strats.compiled = strats.beforeDestroy = strats.destroyed = strats.activate = function (parentVal, childVal) {
|
|
return childVal ? parentVal ? parentVal.concat(childVal) : isArray(childVal) ? childVal : [childVal] : parentVal;
|
|
};
|
|
|
|
/**
|
|
* 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, guardArrayAssets(childVal)) : res;
|
|
}
|
|
|
|
config._assetTypes.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Events & Watchers.
|
|
*
|
|
* Events & watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
|
|
strats.watch = strats.events = function (parentVal, childVal) {
|
|
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 && !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.
|
|
*
|
|
* @param {Object} options
|
|
*/
|
|
|
|
function guardComponents(options) {
|
|
if (options.components) {
|
|
var components = options.components = guardArrayAssets(options.components);
|
|
var ids = Object.keys(components);
|
|
var def;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var map = options._componentNameMap = {};
|
|
}
|
|
for (var i = 0, l = ids.length; i < l; i++) {
|
|
var key = ids[i];
|
|
if (commonTagRE.test(key) || reservedTagRE.test(key)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
|
|
continue;
|
|
}
|
|
// record a all lowercase <-> kebab-case mapping for
|
|
// possible custom element case error warning
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
map[key.replace(/-/g, '').toLowerCase()] = hyphenate(key);
|
|
}
|
|
def = components[key];
|
|
if (isPlainObject(def)) {
|
|
components[key] = Vue.extend(def);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*
|
|
* @param {Object} options
|
|
*/
|
|
|
|
function guardProps(options) {
|
|
var props = options.props;
|
|
var i, val;
|
|
if (isArray(props)) {
|
|
options.props = {};
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
options.props[val] = null;
|
|
} else if (val.name) {
|
|
options.props[val.name] = val;
|
|
}
|
|
}
|
|
} else if (isPlainObject(props)) {
|
|
var keys = Object.keys(props);
|
|
i = keys.length;
|
|
while (i--) {
|
|
val = props[keys[i]];
|
|
if (typeof val === 'function') {
|
|
props[keys[i]] = { type: val };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Guard an Array-format assets option and converted it
|
|
* into the key-value Object format.
|
|
*
|
|
* @param {Object|Array} assets
|
|
* @return {Object}
|
|
*/
|
|
|
|
function guardArrayAssets(assets) {
|
|
if (isArray(assets)) {
|
|
var res = {};
|
|
var i = assets.length;
|
|
var asset;
|
|
while (i--) {
|
|
asset = assets[i];
|
|
var id = typeof asset === 'function' ? asset.options && asset.options.name || asset.id : asset.name || asset.id;
|
|
if (!id) {
|
|
process.env.NODE_ENV !== 'production' && warn('Array-syntax assets must provide a "name" or "id" field.');
|
|
} else {
|
|
res[id] = asset;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
return assets;
|
|
}
|
|
|
|
/**
|
|
* Merge two option objects into a new one.
|
|
* Core utility used in both instantiation and inheritance.
|
|
*
|
|
* @param {Object} parent
|
|
* @param {Object} child
|
|
* @param {Vue} [vm] - if vm is present, indicates this is
|
|
* an instantiation merge.
|
|
*/
|
|
|
|
function mergeOptions(parent, child, vm) {
|
|
guardComponents(child);
|
|
guardProps(child);
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (child.propsData && !vm) {
|
|
warn('propsData can only be used as an instantiation option.');
|
|
}
|
|
}
|
|
var options = {};
|
|
var key;
|
|
if (child['extends']) {
|
|
parent = typeof child['extends'] === 'function' ? mergeOptions(parent, child['extends'].options, vm) : mergeOptions(parent, child['extends'], vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
parent = mergeOptions(parent, child.mixins[i], vm);
|
|
}
|
|
}
|
|
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.
|
|
*
|
|
* @param {Object} options
|
|
* @param {String} type
|
|
* @param {String} id
|
|
* @param {Boolean} warnMissing
|
|
* @return {Object|Function}
|
|
*/
|
|
|
|
function resolveAsset(options, type, id, warnMissing) {
|
|
/* istanbul ignore if */
|
|
if (typeof id !== 'string') {
|
|
return;
|
|
}
|
|
var assets = options[type];
|
|
var camelizedId;
|
|
var res = assets[id] ||
|
|
// camelCase ID
|
|
assets[camelizedId = camelize(id)] ||
|
|
// Pascal Case ID
|
|
assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)];
|
|
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
|
|
warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
var uid$1 = 0;
|
|
|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*
|
|
* @constructor
|
|
*/
|
|
function Dep() {
|
|
this.id = uid$1++;
|
|
this.subs = [];
|
|
}
|
|
|
|
// the current target watcher being evaluated.
|
|
// this is globally unique because there could be only one
|
|
// watcher being evaluated at any time.
|
|
Dep.target = null;
|
|
|
|
/**
|
|
* Add a directive subscriber.
|
|
*
|
|
* @param {Directive} sub
|
|
*/
|
|
|
|
Dep.prototype.addSub = function (sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
/**
|
|
* Remove a directive subscriber.
|
|
*
|
|
* @param {Directive} sub
|
|
*/
|
|
|
|
Dep.prototype.removeSub = function (sub) {
|
|
this.subs.$remove(sub);
|
|
};
|
|
|
|
/**
|
|
* Add self as a dependency to the target watcher.
|
|
*/
|
|
|
|
Dep.prototype.depend = function () {
|
|
Dep.target.addDep(this);
|
|
};
|
|
|
|
/**
|
|
* Notify all subscribers of a new value.
|
|
*/
|
|
|
|
Dep.prototype.notify = function () {
|
|
// stablize the subscriber list first
|
|
var subs = toArray(this.subs);
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
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;
|
|
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;
|
|
});
|
|
});
|
|
|
|
/**
|
|
* Swap the element at the given index with a new value
|
|
* and emits corresponding event.
|
|
*
|
|
* @param {Number} index
|
|
* @param {*} val
|
|
* @return {*} - replaced element
|
|
*/
|
|
|
|
def(arrayProto, '$set', function $set(index, val) {
|
|
if (index >= this.length) {
|
|
this.length = Number(index) + 1;
|
|
}
|
|
return this.splice(index, 1, val)[0];
|
|
});
|
|
|
|
/**
|
|
* Convenience method to remove the element at given index or target element reference.
|
|
*
|
|
* @param {*} item
|
|
*/
|
|
|
|
def(arrayProto, '$remove', function $remove(item) {
|
|
/* istanbul ignore if */
|
|
if (!this.length) return;
|
|
var index = indexOf(this, item);
|
|
if (index > -1) {
|
|
return this.splice(index, 1);
|
|
}
|
|
});
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* By default, when a reactive property is set, the new value is
|
|
* also converted to become reactive. However in certain cases, e.g.
|
|
* v-for scope alias and props, we don't want to force conversion
|
|
* because the value may be a nested value under a frozen data structure.
|
|
*
|
|
* So whenever we want to set a reactive property without forcing
|
|
* conversion on the new value, we wrap that call inside this function.
|
|
*/
|
|
|
|
var shouldConvert = true;
|
|
|
|
function withoutConversion(fn) {
|
|
shouldConvert = false;
|
|
fn();
|
|
shouldConvert = true;
|
|
}
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*
|
|
* @param {Array|Object} value
|
|
* @constructor
|
|
*/
|
|
|
|
function Observer(value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
def(value, '__ob__', this);
|
|
if (isArray(value)) {
|
|
var augment = hasProto ? protoAugment : copyAugment;
|
|
augment(value, arrayMethods, arrayKeys);
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
}
|
|
|
|
// Instance methods
|
|
|
|
/**
|
|
* Walk through each property and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*
|
|
* @param {Object} obj
|
|
*/
|
|
|
|
Observer.prototype.walk = function (obj) {
|
|
var keys = Object.keys(obj);
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
this.convert(keys[i], obj[keys[i]]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*
|
|
* @param {Array} items
|
|
*/
|
|
|
|
Observer.prototype.observeArray = function (items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Convert a property into getter/setter so we can emit
|
|
* the events when the property is accessed/changed.
|
|
*
|
|
* @param {String} key
|
|
* @param {*} val
|
|
*/
|
|
|
|
Observer.prototype.convert = function (key, val) {
|
|
defineReactive(this.value, key, val);
|
|
};
|
|
|
|
/**
|
|
* Add an owner vm, so that when $set/$delete mutations
|
|
* happen we can notify owner vms to proxy the keys and
|
|
* digest the watchers. This is only called when the object
|
|
* is observed as an instance's root $data.
|
|
*
|
|
* @param {Vue} vm
|
|
*/
|
|
|
|
Observer.prototype.addVm = function (vm) {
|
|
(this.vms || (this.vms = [])).push(vm);
|
|
};
|
|
|
|
/**
|
|
* Remove an owner vm. This is called when the object is
|
|
* swapped out as an instance's $data object.
|
|
*
|
|
* @param {Vue} vm
|
|
*/
|
|
|
|
Observer.prototype.removeVm = function (vm) {
|
|
this.vms.$remove(vm);
|
|
};
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*
|
|
* @param {Object|Array} target
|
|
* @param {Object} src
|
|
*/
|
|
|
|
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.
|
|
*
|
|
* @param {Object|Array} target
|
|
* @param {Object} proto
|
|
*/
|
|
|
|
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.
|
|
*
|
|
* @param {*} value
|
|
* @param {Vue} [vm]
|
|
* @return {Observer|undefined}
|
|
* @static
|
|
*/
|
|
|
|
function observe(value, vm) {
|
|
if (!value || typeof value !== 'object') {
|
|
return;
|
|
}
|
|
var ob;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (shouldConvert && (isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
|
|
ob = new Observer(value);
|
|
}
|
|
if (ob && vm) {
|
|
ob.addVm(vm);
|
|
}
|
|
return ob;
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*
|
|
* @param {Object} obj
|
|
* @param {String} key
|
|
* @param {*} val
|
|
*/
|
|
|
|
function defineReactive(obj, key, val) {
|
|
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 (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 (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = observe(newVal);
|
|
dep.notify();
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
|
|
var util = Object.freeze({
|
|
defineReactive: defineReactive,
|
|
set: set,
|
|
del: del,
|
|
hasOwn: hasOwn,
|
|
isLiteral: isLiteral,
|
|
isReserved: isReserved,
|
|
_toString: _toString,
|
|
toNumber: toNumber,
|
|
toBoolean: toBoolean,
|
|
stripQuotes: stripQuotes,
|
|
camelize: camelize,
|
|
hyphenate: hyphenate,
|
|
classify: classify,
|
|
bind: bind,
|
|
toArray: toArray,
|
|
extend: extend,
|
|
isObject: isObject,
|
|
isPlainObject: isPlainObject,
|
|
def: def,
|
|
debounce: _debounce,
|
|
indexOf: indexOf,
|
|
cancellable: cancellable,
|
|
looseEqual: looseEqual,
|
|
isArray: isArray,
|
|
hasProto: hasProto,
|
|
inBrowser: inBrowser,
|
|
devtools: devtools,
|
|
isIE9: isIE9,
|
|
isAndroid: isAndroid,
|
|
isIos: isIos,
|
|
isWechat: isWechat,
|
|
get transitionProp () { return transitionProp; },
|
|
get transitionEndEvent () { return transitionEndEvent; },
|
|
get animationProp () { return animationProp; },
|
|
get animationEndEvent () { return animationEndEvent; },
|
|
nextTick: nextTick,
|
|
get _Set () { return _Set; },
|
|
query: query,
|
|
inDoc: inDoc,
|
|
getAttr: getAttr,
|
|
getBindAttr: getBindAttr,
|
|
hasBindAttr: hasBindAttr,
|
|
before: before,
|
|
after: after,
|
|
remove: remove,
|
|
prepend: prepend,
|
|
replace: replace,
|
|
on: on,
|
|
off: off,
|
|
setClass: setClass,
|
|
addClass: addClass,
|
|
removeClass: removeClass,
|
|
extractContent: extractContent,
|
|
trimNode: trimNode,
|
|
isTemplate: isTemplate,
|
|
createAnchor: createAnchor,
|
|
findRef: findRef,
|
|
mapNodeRange: mapNodeRange,
|
|
removeNodeRange: removeNodeRange,
|
|
isFragment: isFragment,
|
|
getOuterHTML: getOuterHTML,
|
|
mergeOptions: mergeOptions,
|
|
resolveAsset: resolveAsset,
|
|
checkComponentAttr: checkComponentAttr,
|
|
commonTagRE: commonTagRE,
|
|
reservedTagRE: reservedTagRE,
|
|
get warn () { return warn; }
|
|
});
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin (Vue) {
|
|
/**
|
|
* The main init sequence. This is called for every
|
|
* instance, including ones that are created from extended
|
|
* constructors.
|
|
*
|
|
* @param {Object} options - this options object should be
|
|
* the result of merging class
|
|
* options and the options passed
|
|
* in to the constructor.
|
|
*/
|
|
|
|
Vue.prototype._init = function (options) {
|
|
options = options || {};
|
|
|
|
this.$el = null;
|
|
this.$parent = options.parent;
|
|
this.$root = this.$parent ? this.$parent.$root : this;
|
|
this.$children = [];
|
|
this.$refs = {}; // child vm references
|
|
this.$els = {}; // element references
|
|
this._watchers = []; // all watchers as an array
|
|
this._directives = []; // all directives
|
|
|
|
// a uid
|
|
this._uid = uid++;
|
|
|
|
// a flag to avoid this being observed
|
|
this._isVue = true;
|
|
|
|
// events bookkeeping
|
|
this._events = {}; // registered callbacks
|
|
this._eventsCount = {}; // for $broadcast optimization
|
|
|
|
// fragment instance properties
|
|
this._isFragment = false;
|
|
this._fragment = // @type {DocumentFragment}
|
|
this._fragmentStart = // @type {Text|Comment}
|
|
this._fragmentEnd = null; // @type {Text|Comment}
|
|
|
|
// lifecycle state
|
|
this._isCompiled = this._isDestroyed = this._isReady = this._isAttached = this._isBeingDestroyed = this._vForRemoving = false;
|
|
this._unlinkFn = null;
|
|
|
|
// context:
|
|
// if this is a transcluded component, context
|
|
// will be the common parent vm of this instance
|
|
// and its host.
|
|
this._context = options._context || this.$parent;
|
|
|
|
// scope:
|
|
// if this is inside an inline v-for, the scope
|
|
// will be the intermediate scope created for this
|
|
// repeat fragment. this is used for linking props
|
|
// and container directives.
|
|
this._scope = options._scope;
|
|
|
|
// fragment:
|
|
// if this instance is compiled inside a Fragment, it
|
|
// needs to reigster itself as a child of that fragment
|
|
// for attach/detach to work properly.
|
|
this._frag = options._frag;
|
|
if (this._frag) {
|
|
this._frag.children.push(this);
|
|
}
|
|
|
|
// push self into parent / transclusion host
|
|
if (this.$parent) {
|
|
this.$parent.$children.push(this);
|
|
}
|
|
|
|
// merge options.
|
|
options = this.$options = mergeOptions(this.constructor.options, options, this);
|
|
|
|
// set ref
|
|
this._updateRef();
|
|
|
|
// initialize data as empty object.
|
|
// it will be filled up in _initData().
|
|
this._data = {};
|
|
|
|
// call init hook
|
|
this._callHook('init');
|
|
|
|
// initialize data observation and scope inheritance.
|
|
this._initState();
|
|
|
|
// setup event system and option events.
|
|
this._initEvents();
|
|
|
|
// call created hook
|
|
this._callHook('created');
|
|
|
|
// if `el` option is passed, start compilation.
|
|
if (options.el) {
|
|
this.$mount(options.el);
|
|
}
|
|
};
|
|
}
|
|
|
|
var pathCache = new Cache(1000);
|
|
|
|
// actions
|
|
var APPEND = 0;
|
|
var PUSH = 1;
|
|
var INC_SUB_PATH_DEPTH = 2;
|
|
var PUSH_SUB_PATH = 3;
|
|
|
|
// states
|
|
var BEFORE_PATH = 0;
|
|
var IN_PATH = 1;
|
|
var BEFORE_IDENT = 2;
|
|
var IN_IDENT = 3;
|
|
var IN_SUB_PATH = 4;
|
|
var IN_SINGLE_QUOTE = 5;
|
|
var IN_DOUBLE_QUOTE = 6;
|
|
var AFTER_PATH = 7;
|
|
var ERROR = 8;
|
|
|
|
var pathStateMachine = [];
|
|
|
|
pathStateMachine[BEFORE_PATH] = {
|
|
'ws': [BEFORE_PATH],
|
|
'ident': [IN_IDENT, APPEND],
|
|
'[': [IN_SUB_PATH],
|
|
'eof': [AFTER_PATH]
|
|
};
|
|
|
|
pathStateMachine[IN_PATH] = {
|
|
'ws': [IN_PATH],
|
|
'.': [BEFORE_IDENT],
|
|
'[': [IN_SUB_PATH],
|
|
'eof': [AFTER_PATH]
|
|
};
|
|
|
|
pathStateMachine[BEFORE_IDENT] = {
|
|
'ws': [BEFORE_IDENT],
|
|
'ident': [IN_IDENT, APPEND]
|
|
};
|
|
|
|
pathStateMachine[IN_IDENT] = {
|
|
'ident': [IN_IDENT, APPEND],
|
|
'0': [IN_IDENT, APPEND],
|
|
'number': [IN_IDENT, APPEND],
|
|
'ws': [IN_PATH, PUSH],
|
|
'.': [BEFORE_IDENT, PUSH],
|
|
'[': [IN_SUB_PATH, PUSH],
|
|
'eof': [AFTER_PATH, PUSH]
|
|
};
|
|
|
|
pathStateMachine[IN_SUB_PATH] = {
|
|
"'": [IN_SINGLE_QUOTE, APPEND],
|
|
'"': [IN_DOUBLE_QUOTE, APPEND],
|
|
'[': [IN_SUB_PATH, INC_SUB_PATH_DEPTH],
|
|
']': [IN_PATH, PUSH_SUB_PATH],
|
|
'eof': ERROR,
|
|
'else': [IN_SUB_PATH, APPEND]
|
|
};
|
|
|
|
pathStateMachine[IN_SINGLE_QUOTE] = {
|
|
"'": [IN_SUB_PATH, APPEND],
|
|
'eof': ERROR,
|
|
'else': [IN_SINGLE_QUOTE, APPEND]
|
|
};
|
|
|
|
pathStateMachine[IN_DOUBLE_QUOTE] = {
|
|
'"': [IN_SUB_PATH, APPEND],
|
|
'eof': ERROR,
|
|
'else': [IN_DOUBLE_QUOTE, APPEND]
|
|
};
|
|
|
|
/**
|
|
* Determine the type of a character in a keypath.
|
|
*
|
|
* @param {Char} ch
|
|
* @return {String} type
|
|
*/
|
|
|
|
function getPathCharType(ch) {
|
|
if (ch === undefined) {
|
|
return 'eof';
|
|
}
|
|
|
|
var code = ch.charCodeAt(0);
|
|
|
|
switch (code) {
|
|
case 0x5B: // [
|
|
case 0x5D: // ]
|
|
case 0x2E: // .
|
|
case 0x22: // "
|
|
case 0x27: // '
|
|
case 0x30:
|
|
// 0
|
|
return ch;
|
|
|
|
case 0x5F: // _
|
|
case 0x24:
|
|
// $
|
|
return 'ident';
|
|
|
|
case 0x20: // Space
|
|
case 0x09: // Tab
|
|
case 0x0A: // Newline
|
|
case 0x0D: // Return
|
|
case 0xA0: // No-break space
|
|
case 0xFEFF: // Byte Order Mark
|
|
case 0x2028: // Line Separator
|
|
case 0x2029:
|
|
// Paragraph Separator
|
|
return 'ws';
|
|
}
|
|
|
|
// a-z, A-Z
|
|
if (code >= 0x61 && code <= 0x7A || code >= 0x41 && code <= 0x5A) {
|
|
return 'ident';
|
|
}
|
|
|
|
// 1-9
|
|
if (code >= 0x31 && code <= 0x39) {
|
|
return 'number';
|
|
}
|
|
|
|
return 'else';
|
|
}
|
|
|
|
/**
|
|
* Format a subPath, return its plain form if it is
|
|
* a literal string or number. Otherwise prepend the
|
|
* dynamic indicator (*).
|
|
*
|
|
* @param {String} path
|
|
* @return {String}
|
|
*/
|
|
|
|
function formatSubPath(path) {
|
|
var trimmed = path.trim();
|
|
// invalid leading 0
|
|
if (path.charAt(0) === '0' && isNaN(path)) {
|
|
return false;
|
|
}
|
|
return isLiteral(trimmed) ? stripQuotes(trimmed) : '*' + trimmed;
|
|
}
|
|
|
|
/**
|
|
* Parse a string path into an array of segments
|
|
*
|
|
* @param {String} path
|
|
* @return {Array|undefined}
|
|
*/
|
|
|
|
function parse(path) {
|
|
var keys = [];
|
|
var index = -1;
|
|
var mode = BEFORE_PATH;
|
|
var subPathDepth = 0;
|
|
var c, newChar, key, type, transition, action, typeMap;
|
|
|
|
var actions = [];
|
|
|
|
actions[PUSH] = function () {
|
|
if (key !== undefined) {
|
|
keys.push(key);
|
|
key = undefined;
|
|
}
|
|
};
|
|
|
|
actions[APPEND] = function () {
|
|
if (key === undefined) {
|
|
key = newChar;
|
|
} else {
|
|
key += newChar;
|
|
}
|
|
};
|
|
|
|
actions[INC_SUB_PATH_DEPTH] = function () {
|
|
actions[APPEND]();
|
|
subPathDepth++;
|
|
};
|
|
|
|
actions[PUSH_SUB_PATH] = function () {
|
|
if (subPathDepth > 0) {
|
|
subPathDepth--;
|
|
mode = IN_SUB_PATH;
|
|
actions[APPEND]();
|
|
} else {
|
|
subPathDepth = 0;
|
|
key = formatSubPath(key);
|
|
if (key === false) {
|
|
return false;
|
|
} else {
|
|
actions[PUSH]();
|
|
}
|
|
}
|
|
};
|
|
|
|
function maybeUnescapeQuote() {
|
|
var nextChar = path[index + 1];
|
|
if (mode === IN_SINGLE_QUOTE && nextChar === "'" || mode === IN_DOUBLE_QUOTE && nextChar === '"') {
|
|
index++;
|
|
newChar = '\\' + nextChar;
|
|
actions[APPEND]();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
while (mode != null) {
|
|
index++;
|
|
c = path[index];
|
|
|
|
if (c === '\\' && maybeUnescapeQuote()) {
|
|
continue;
|
|
}
|
|
|
|
type = getPathCharType(c);
|
|
typeMap = pathStateMachine[mode];
|
|
transition = typeMap[type] || typeMap['else'] || ERROR;
|
|
|
|
if (transition === ERROR) {
|
|
return; // parse error
|
|
}
|
|
|
|
mode = transition[0];
|
|
action = actions[transition[1]];
|
|
if (action) {
|
|
newChar = transition[2];
|
|
newChar = newChar === undefined ? c : newChar;
|
|
if (action() === false) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (mode === AFTER_PATH) {
|
|
keys.raw = path;
|
|
return keys;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* External parse that check for a cache hit first
|
|
*
|
|
* @param {String} path
|
|
* @return {Array|undefined}
|
|
*/
|
|
|
|
function parsePath(path) {
|
|
var hit = pathCache.get(path);
|
|
if (!hit) {
|
|
hit = parse(path);
|
|
if (hit) {
|
|
pathCache.put(path, hit);
|
|
}
|
|
}
|
|
return hit;
|
|
}
|
|
|
|
/**
|
|
* Get from an object from a path string
|
|
*
|
|
* @param {Object} obj
|
|
* @param {String} path
|
|
*/
|
|
|
|
function getPath(obj, path) {
|
|
return parseExpression(path).get(obj);
|
|
}
|
|
|
|
/**
|
|
* Warn against setting non-existent root path on a vm.
|
|
*/
|
|
|
|
var warnNonExistent;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warnNonExistent = function (path, vm) {
|
|
warn('You are setting a non-existent path "' + path.raw + '" ' + 'on a vm instance. Consider pre-initializing the property ' + 'with the "data" option for more reliable reactivity ' + 'and better performance.', vm);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Set on an object from a path
|
|
*
|
|
* @param {Object} obj
|
|
* @param {String | Array} path
|
|
* @param {*} val
|
|
*/
|
|
|
|
function setPath(obj, path, val) {
|
|
var original = obj;
|
|
if (typeof path === 'string') {
|
|
path = parse(path);
|
|
}
|
|
if (!path || !isObject(obj)) {
|
|
return false;
|
|
}
|
|
var last, key;
|
|
for (var i = 0, l = path.length; i < l; i++) {
|
|
last = obj;
|
|
key = path[i];
|
|
if (key.charAt(0) === '*') {
|
|
key = parseExpression(key.slice(1)).get.call(original, original);
|
|
}
|
|
if (i < l - 1) {
|
|
obj = obj[key];
|
|
if (!isObject(obj)) {
|
|
obj = {};
|
|
if (process.env.NODE_ENV !== 'production' && last._isVue) {
|
|
warnNonExistent(path, last);
|
|
}
|
|
set(last, key, obj);
|
|
}
|
|
} else {
|
|
if (isArray(obj)) {
|
|
obj.$set(key, val);
|
|
} else if (key in obj) {
|
|
obj[key] = val;
|
|
} else {
|
|
if (process.env.NODE_ENV !== 'production' && obj._isVue) {
|
|
warnNonExistent(path, obj);
|
|
}
|
|
set(obj, key, val);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
var path = Object.freeze({
|
|
parsePath: parsePath,
|
|
getPath: getPath,
|
|
setPath: setPath
|
|
});
|
|
|
|
var expressionCache = new Cache(1000);
|
|
|
|
var allowedKeywords = 'Math,Date,this,true,false,null,undefined,Infinity,NaN,' + 'isNaN,isFinite,decodeURI,decodeURIComponent,encodeURI,' + 'encodeURIComponent,parseInt,parseFloat';
|
|
var allowedKeywordsRE = new RegExp('^(' + allowedKeywords.replace(/,/g, '\\b|') + '\\b)');
|
|
|
|
// keywords that don't make sense inside expressions
|
|
var improperKeywords = 'break,case,class,catch,const,continue,debugger,default,' + 'delete,do,else,export,extends,finally,for,function,if,' + 'import,in,instanceof,let,return,super,switch,throw,try,' + 'var,while,with,yield,enum,await,implements,package,' + 'protected,static,interface,private,public';
|
|
var improperKeywordsRE = new RegExp('^(' + improperKeywords.replace(/,/g, '\\b|') + '\\b)');
|
|
|
|
var wsRE = /\s/g;
|
|
var newlineRE = /\n/g;
|
|
var saveRE = /[\{,]\s*[\w\$_]+\s*:|('(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`)|new |typeof |void /g;
|
|
var restoreRE = /"(\d+)"/g;
|
|
var pathTestRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['.*?'\]|\[".*?"\]|\[\d+\]|\[[A-Za-z_$][\w$]*\])*$/;
|
|
var identRE = /[^\w$\.](?:[A-Za-z_$][\w$]*)/g;
|
|
var booleanLiteralRE = /^(?:true|false)$/;
|
|
|
|
/**
|
|
* Save / Rewrite / Restore
|
|
*
|
|
* When rewriting paths found in an expression, it is
|
|
* possible for the same letter sequences to be found in
|
|
* strings and Object literal property keys. Therefore we
|
|
* remove and store these parts in a temporary array, and
|
|
* restore them after the path rewrite.
|
|
*/
|
|
|
|
var saved = [];
|
|
|
|
/**
|
|
* Save replacer
|
|
*
|
|
* The save regex can match two possible cases:
|
|
* 1. An opening object literal
|
|
* 2. A string
|
|
* If matched as a plain string, we need to escape its
|
|
* newlines, since the string needs to be preserved when
|
|
* generating the function body.
|
|
*
|
|
* @param {String} str
|
|
* @param {String} isString - str if matched as a string
|
|
* @return {String} - placeholder with index
|
|
*/
|
|
|
|
function save(str, isString) {
|
|
var i = saved.length;
|
|
saved[i] = isString ? str.replace(newlineRE, '\\n') : str;
|
|
return '"' + i + '"';
|
|
}
|
|
|
|
/**
|
|
* Path rewrite replacer
|
|
*
|
|
* @param {String} raw
|
|
* @return {String}
|
|
*/
|
|
|
|
function rewrite(raw) {
|
|
var c = raw.charAt(0);
|
|
var path = raw.slice(1);
|
|
if (allowedKeywordsRE.test(path)) {
|
|
return raw;
|
|
} else {
|
|
path = path.indexOf('"') > -1 ? path.replace(restoreRE, restore) : path;
|
|
return c + 'scope.' + path;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Restore replacer
|
|
*
|
|
* @param {String} str
|
|
* @param {String} i - matched save index
|
|
* @return {String}
|
|
*/
|
|
|
|
function restore(str, i) {
|
|
return saved[i];
|
|
}
|
|
|
|
/**
|
|
* Rewrite an expression, prefixing all path accessors with
|
|
* `scope.` and generate getter/setter functions.
|
|
*
|
|
* @param {String} exp
|
|
* @return {Function}
|
|
*/
|
|
|
|
function compileGetter(exp) {
|
|
if (improperKeywordsRE.test(exp)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid using reserved keywords in expression: ' + exp);
|
|
}
|
|
// reset state
|
|
saved.length = 0;
|
|
// save strings and object literal keys
|
|
var body = exp.replace(saveRE, save).replace(wsRE, '');
|
|
// rewrite all paths
|
|
// pad 1 space here becaue the regex matches 1 extra char
|
|
body = (' ' + body).replace(identRE, rewrite).replace(restoreRE, restore);
|
|
return makeGetterFn(body);
|
|
}
|
|
|
|
/**
|
|
* Build a getter function. Requires eval.
|
|
*
|
|
* We isolate the try/catch so it doesn't affect the
|
|
* optimization of the parse function when it is not called.
|
|
*
|
|
* @param {String} body
|
|
* @return {Function|undefined}
|
|
*/
|
|
|
|
function makeGetterFn(body) {
|
|
try {
|
|
/* eslint-disable no-new-func */
|
|
return new Function('scope', 'return ' + body + ';');
|
|
/* eslint-enable no-new-func */
|
|
} catch (e) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid expression. ' + 'Generated function body: ' + body);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Compile a setter function for the expression.
|
|
*
|
|
* @param {String} exp
|
|
* @return {Function|undefined}
|
|
*/
|
|
|
|
function compileSetter(exp) {
|
|
var path = parsePath(exp);
|
|
if (path) {
|
|
return function (scope, val) {
|
|
setPath(scope, path, val);
|
|
};
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid setter expression: ' + exp);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse an expression into re-written getter/setters.
|
|
*
|
|
* @param {String} exp
|
|
* @param {Boolean} needSet
|
|
* @return {Function}
|
|
*/
|
|
|
|
function parseExpression(exp, needSet) {
|
|
exp = exp.trim();
|
|
// try cache
|
|
var hit = expressionCache.get(exp);
|
|
if (hit) {
|
|
if (needSet && !hit.set) {
|
|
hit.set = compileSetter(hit.exp);
|
|
}
|
|
return hit;
|
|
}
|
|
var res = { exp: exp };
|
|
res.get = isSimplePath(exp) && exp.indexOf('[') < 0
|
|
// optimized super simple getter
|
|
? makeGetterFn('scope.' + exp)
|
|
// dynamic getter
|
|
: compileGetter(exp);
|
|
if (needSet) {
|
|
res.set = compileSetter(exp);
|
|
}
|
|
expressionCache.put(exp, res);
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Check if an expression is a simple path.
|
|
*
|
|
* @param {String} exp
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function isSimplePath(exp) {
|
|
return pathTestRE.test(exp) &&
|
|
// don't treat true/false as paths
|
|
!booleanLiteralRE.test(exp) &&
|
|
// Math constants e.g. Math.PI, Math.E etc.
|
|
exp.slice(0, 5) !== 'Math.';
|
|
}
|
|
|
|
var expression = Object.freeze({
|
|
parseExpression: parseExpression,
|
|
isSimplePath: isSimplePath
|
|
});
|
|
|
|
// we have two separate queues: one for directive updates
|
|
// and one for user watcher registered via $watch().
|
|
// we want to guarantee directive updates to be called
|
|
// before user watchers so that when user watchers are
|
|
// triggered, the DOM would have already been in updated
|
|
// state.
|
|
|
|
var queue = [];
|
|
var userQueue = [];
|
|
var has = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
|
|
/**
|
|
* Reset the batcher's state.
|
|
*/
|
|
|
|
function resetBatcherState() {
|
|
queue.length = 0;
|
|
userQueue.length = 0;
|
|
has = {};
|
|
circular = {};
|
|
waiting = false;
|
|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
|
|
function flushBatcherQueue() {
|
|
var _again = true;
|
|
|
|
_function: while (_again) {
|
|
_again = false;
|
|
|
|
runBatcherQueue(queue);
|
|
runBatcherQueue(userQueue);
|
|
// user watchers triggered more watchers,
|
|
// keep flushing until it depletes
|
|
if (queue.length) {
|
|
_again = true;
|
|
continue _function;
|
|
}
|
|
// dev tool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
|
|
resetBatcherState();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Run the watchers in a single queue.
|
|
*
|
|
* @param {Array} queue
|
|
*/
|
|
|
|
function runBatcherQueue(queue) {
|
|
// do not cache length because more watchers might be pushed
|
|
// as we run existing watchers
|
|
for (var i = 0; i < queue.length; i++) {
|
|
var watcher = queue[i];
|
|
var id = watcher.id;
|
|
has[id] = null;
|
|
watcher.run();
|
|
// in dev build, check and stop circular updates.
|
|
if (process.env.NODE_ENV !== 'production' && has[id] != null) {
|
|
circular[id] = (circular[id] || 0) + 1;
|
|
if (circular[id] > config._maxUpdateCount) {
|
|
warn('You may have an infinite update loop for watcher ' + 'with expression "' + watcher.expression + '"', watcher.vm);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
queue.length = 0;
|
|
}
|
|
|
|
/**
|
|
* Push a watcher into the watcher queue.
|
|
* Jobs with duplicate IDs will be skipped unless it's
|
|
* pushed when the queue is being flushed.
|
|
*
|
|
* @param {Watcher} watcher
|
|
* properties:
|
|
* - {Number} id
|
|
* - {Function} run
|
|
*/
|
|
|
|
function pushWatcher(watcher) {
|
|
var id = watcher.id;
|
|
if (has[id] == null) {
|
|
// push watcher into appropriate queue
|
|
var q = watcher.user ? userQueue : queue;
|
|
has[id] = q.length;
|
|
q.push(watcher);
|
|
// queue the flush
|
|
if (!waiting) {
|
|
waiting = true;
|
|
nextTick(flushBatcherQueue);
|
|
}
|
|
}
|
|
}
|
|
|
|
var uid$2 = 0;
|
|
|
|
/**
|
|
* A watcher parses an expression, collects dependencies,
|
|
* and fires callback when the expression value changes.
|
|
* This is used for both the $watch() api and directives.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {String|Function} expOrFn
|
|
* @param {Function} cb
|
|
* @param {Object} options
|
|
* - {Array} filters
|
|
* - {Boolean} twoWay
|
|
* - {Boolean} deep
|
|
* - {Boolean} user
|
|
* - {Boolean} sync
|
|
* - {Boolean} lazy
|
|
* - {Function} [preProcess]
|
|
* - {Function} [postProcess]
|
|
* @constructor
|
|
*/
|
|
function Watcher(vm, expOrFn, cb, options) {
|
|
// mix in options
|
|
if (options) {
|
|
extend(this, options);
|
|
}
|
|
var isFn = typeof expOrFn === 'function';
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
this.expression = expOrFn;
|
|
this.cb = cb;
|
|
this.id = ++uid$2; // uid for batching
|
|
this.active = true;
|
|
this.dirty = this.lazy; // for lazy watchers
|
|
this.deps = [];
|
|
this.newDeps = [];
|
|
this.depIds = new _Set();
|
|
this.newDepIds = new _Set();
|
|
this.prevError = null; // for async error stacks
|
|
// parse expression for getter/setter
|
|
if (isFn) {
|
|
this.getter = expOrFn;
|
|
this.setter = undefined;
|
|
} else {
|
|
var res = parseExpression(expOrFn, this.twoWay);
|
|
this.getter = res.get;
|
|
this.setter = res.set;
|
|
}
|
|
this.value = this.lazy ? undefined : this.get();
|
|
// state for avoiding false triggers for deep and Array
|
|
// watchers during vm._digest()
|
|
this.queued = this.shallow = false;
|
|
}
|
|
|
|
/**
|
|
* Evaluate the getter, and re-collect dependencies.
|
|
*/
|
|
|
|
Watcher.prototype.get = function () {
|
|
this.beforeGet();
|
|
var scope = this.scope || this.vm;
|
|
var value;
|
|
try {
|
|
value = this.getter.call(scope, scope);
|
|
} catch (e) {
|
|
if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {
|
|
warn('Error when evaluating expression ' + '"' + this.expression + '": ' + e.toString(), this.vm);
|
|
}
|
|
}
|
|
// "touch" every property so they are all tracked as
|
|
// dependencies for deep watching
|
|
if (this.deep) {
|
|
traverse(value);
|
|
}
|
|
if (this.preProcess) {
|
|
value = this.preProcess(value);
|
|
}
|
|
if (this.filters) {
|
|
value = scope._applyFilters(value, null, this.filters, false);
|
|
}
|
|
if (this.postProcess) {
|
|
value = this.postProcess(value);
|
|
}
|
|
this.afterGet();
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* Set the corresponding value with the setter.
|
|
*
|
|
* @param {*} value
|
|
*/
|
|
|
|
Watcher.prototype.set = function (value) {
|
|
var scope = this.scope || this.vm;
|
|
if (this.filters) {
|
|
value = scope._applyFilters(value, this.value, this.filters, true);
|
|
}
|
|
try {
|
|
this.setter.call(scope, scope, value);
|
|
} catch (e) {
|
|
if (process.env.NODE_ENV !== 'production' && config.warnExpressionErrors) {
|
|
warn('Error when evaluating setter ' + '"' + this.expression + '": ' + e.toString(), this.vm);
|
|
}
|
|
}
|
|
// two-way sync for v-for alias
|
|
var forContext = scope.$forContext;
|
|
if (forContext && forContext.alias === this.expression) {
|
|
if (forContext.filters) {
|
|
process.env.NODE_ENV !== 'production' && warn('It seems you are using two-way binding on ' + 'a v-for alias (' + this.expression + '), and the ' + 'v-for has filters. This will not work properly. ' + 'Either remove the filters or use an array of ' + 'objects and bind to object properties instead.', this.vm);
|
|
return;
|
|
}
|
|
forContext._withLock(function () {
|
|
if (scope.$key) {
|
|
// original is an object
|
|
forContext.rawValue[scope.$key] = value;
|
|
} else {
|
|
forContext.rawValue.$set(scope.$index, value);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Prepare for dependency collection.
|
|
*/
|
|
|
|
Watcher.prototype.beforeGet = function () {
|
|
Dep.target = this;
|
|
};
|
|
|
|
/**
|
|
* Add a dependency to this directive.
|
|
*
|
|
* @param {Dep} dep
|
|
*/
|
|
|
|
Watcher.prototype.addDep = function (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.afterGet = function () {
|
|
Dep.target = null;
|
|
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.
|
|
*
|
|
* @param {Boolean} shallow
|
|
*/
|
|
|
|
Watcher.prototype.update = function (shallow) {
|
|
if (this.lazy) {
|
|
this.dirty = true;
|
|
} else if (this.sync || !config.async) {
|
|
this.run();
|
|
} else {
|
|
// if queued, only overwrite shallow with non-shallow,
|
|
// but not the other way around.
|
|
this.shallow = this.queued ? shallow ? this.shallow : false : !!shallow;
|
|
this.queued = true;
|
|
// record before-push error stack in debug mode
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && config.debug) {
|
|
this.prevError = new Error('[vue] async stack trace');
|
|
}
|
|
pushWatcher(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Batcher job interface.
|
|
* Will be called by the batcher.
|
|
*/
|
|
|
|
Watcher.prototype.run = function () {
|
|
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; but only do so if this is a
|
|
// non-shallow update (caused by a vm digest).
|
|
(isObject(value) || this.deep) && !this.shallow) {
|
|
// set new value
|
|
var oldValue = this.value;
|
|
this.value = value;
|
|
// in debug + async mode, when a watcher callbacks
|
|
// throws, we also throw the saved before-push error
|
|
// so the full cross-tick stack trace is available.
|
|
var prevError = this.prevError;
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && config.debug && prevError) {
|
|
this.prevError = null;
|
|
try {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
} catch (e) {
|
|
nextTick(function () {
|
|
throw prevError;
|
|
}, 0);
|
|
throw e;
|
|
}
|
|
} else {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
}
|
|
}
|
|
this.queued = this.shallow = false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Evaluate the value of the watcher.
|
|
* This only gets called for lazy watchers.
|
|
*/
|
|
|
|
Watcher.prototype.evaluate = function () {
|
|
// avoid overwriting another watcher that is being
|
|
// collected.
|
|
var current = Dep.target;
|
|
this.value = this.get();
|
|
this.dirty = false;
|
|
Dep.target = current;
|
|
};
|
|
|
|
/**
|
|
* Depend on all deps collected by this watcher.
|
|
*/
|
|
|
|
Watcher.prototype.depend = function () {
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subcriber list.
|
|
*/
|
|
|
|
Watcher.prototype.teardown = function () {
|
|
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) {
|
|
this.vm._watchers.$remove(this);
|
|
}
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].removeSub(this);
|
|
}
|
|
this.active = false;
|
|
this.vm = this.cb = this.value = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Recrusively traverse an object to evoke all converted
|
|
* getters, so that every nested property inside the object
|
|
* is collected as a "deep" dependency.
|
|
*
|
|
* @param {*} val
|
|
*/
|
|
|
|
var seenObjects = new _Set();
|
|
function traverse(val, seen) {
|
|
var i = undefined,
|
|
keys = undefined;
|
|
if (!seen) {
|
|
seen = seenObjects;
|
|
seen.clear();
|
|
}
|
|
var isA = isArray(val);
|
|
var isO = isObject(val);
|
|
if (isA || isO) {
|
|
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 text$1 = {
|
|
|
|
bind: function bind() {
|
|
this.attr = this.el.nodeType === 3 ? 'data' : 'textContent';
|
|
},
|
|
|
|
update: function update(value) {
|
|
this.el[this.attr] = _toString(value);
|
|
}
|
|
};
|
|
|
|
var templateCache = new Cache(1000);
|
|
var idSelectorCache = new Cache(1000);
|
|
|
|
var map = {
|
|
efault: [0, '', ''],
|
|
legend: [1, '<fieldset>', '</fieldset>'],
|
|
tr: [2, '<table><tbody>', '</tbody></table>'],
|
|
col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>']
|
|
};
|
|
|
|
map.td = map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];
|
|
|
|
map.option = map.optgroup = [1, '<select multiple="multiple">', '</select>'];
|
|
|
|
map.thead = map.tbody = map.colgroup = map.caption = map.tfoot = [1, '<table>', '</table>'];
|
|
|
|
map.g = map.defs = map.symbol = map.use = map.image = map.text = map.circle = map.ellipse = map.line = map.path = map.polygon = map.polyline = map.rect = [1, '<svg ' + 'xmlns="http://www.w3.org/2000/svg" ' + 'xmlns:xlink="http://www.w3.org/1999/xlink" ' + 'xmlns:ev="http://www.w3.org/2001/xml-events"' + 'version="1.1">', '</svg>'];
|
|
|
|
/**
|
|
* Check if a node is a supported template node with a
|
|
* DocumentFragment content.
|
|
*
|
|
* @param {Node} node
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function isRealTemplate(node) {
|
|
return isTemplate(node) && isFragment(node.content);
|
|
}
|
|
|
|
var tagRE$1 = /<([\w:-]+)/;
|
|
var entityRE = /&#?\w+?;/;
|
|
|
|
/**
|
|
* Convert a string template to a DocumentFragment.
|
|
* Determines correct wrapping by tag types. Wrapping
|
|
* strategy found in jQuery & component/domify.
|
|
*
|
|
* @param {String} templateString
|
|
* @param {Boolean} raw
|
|
* @return {DocumentFragment}
|
|
*/
|
|
|
|
function stringToFragment(templateString, raw) {
|
|
// try a cache hit first
|
|
var cacheKey = raw ? templateString : templateString.trim();
|
|
var hit = templateCache.get(cacheKey);
|
|
if (hit) {
|
|
return hit;
|
|
}
|
|
|
|
var frag = document.createDocumentFragment();
|
|
var tagMatch = templateString.match(tagRE$1);
|
|
var entityMatch = entityRE.test(templateString);
|
|
|
|
if (!tagMatch && !entityMatch) {
|
|
// text only, return a single text node.
|
|
frag.appendChild(document.createTextNode(templateString));
|
|
} else {
|
|
var tag = tagMatch && tagMatch[1];
|
|
var wrap = map[tag] || map.efault;
|
|
var depth = wrap[0];
|
|
var prefix = wrap[1];
|
|
var suffix = wrap[2];
|
|
var node = document.createElement('div');
|
|
|
|
node.innerHTML = prefix + templateString + suffix;
|
|
while (depth--) {
|
|
node = node.lastChild;
|
|
}
|
|
|
|
var child;
|
|
/* eslint-disable no-cond-assign */
|
|
while (child = node.firstChild) {
|
|
/* eslint-enable no-cond-assign */
|
|
frag.appendChild(child);
|
|
}
|
|
}
|
|
if (!raw) {
|
|
trimNode(frag);
|
|
}
|
|
templateCache.put(cacheKey, frag);
|
|
return frag;
|
|
}
|
|
|
|
/**
|
|
* Convert a template node to a DocumentFragment.
|
|
*
|
|
* @param {Node} node
|
|
* @return {DocumentFragment}
|
|
*/
|
|
|
|
function nodeToFragment(node) {
|
|
// if its a template tag and the browser supports it,
|
|
// its content is already a document fragment. However, iOS Safari has
|
|
// bug when using directly cloned template content with touch
|
|
// events and can cause crashes when the nodes are removed from DOM, so we
|
|
// have to treat template elements as string templates. (#2805)
|
|
/* istanbul ignore if */
|
|
if (isRealTemplate(node)) {
|
|
return stringToFragment(node.innerHTML);
|
|
}
|
|
// script template
|
|
if (node.tagName === 'SCRIPT') {
|
|
return stringToFragment(node.textContent);
|
|
}
|
|
// normal node, clone it to avoid mutating the original
|
|
var clonedNode = cloneNode(node);
|
|
var frag = document.createDocumentFragment();
|
|
var child;
|
|
/* eslint-disable no-cond-assign */
|
|
while (child = clonedNode.firstChild) {
|
|
/* eslint-enable no-cond-assign */
|
|
frag.appendChild(child);
|
|
}
|
|
trimNode(frag);
|
|
return frag;
|
|
}
|
|
|
|
// Test for the presence of the Safari template cloning bug
|
|
// https://bugs.webkit.org/showug.cgi?id=137755
|
|
var hasBrokenTemplate = (function () {
|
|
/* istanbul ignore else */
|
|
if (inBrowser) {
|
|
var a = document.createElement('div');
|
|
a.innerHTML = '<template>1</template>';
|
|
return !a.cloneNode(true).firstChild.innerHTML;
|
|
} else {
|
|
return false;
|
|
}
|
|
})();
|
|
|
|
// Test for IE10/11 textarea placeholder clone bug
|
|
var hasTextareaCloneBug = (function () {
|
|
/* istanbul ignore else */
|
|
if (inBrowser) {
|
|
var t = document.createElement('textarea');
|
|
t.placeholder = 't';
|
|
return t.cloneNode(true).value === 't';
|
|
} else {
|
|
return false;
|
|
}
|
|
})();
|
|
|
|
/**
|
|
* 1. Deal with Safari cloning nested <template> bug by
|
|
* manually cloning all template instances.
|
|
* 2. Deal with IE10/11 textarea placeholder bug by setting
|
|
* the correct value after cloning.
|
|
*
|
|
* @param {Element|DocumentFragment} node
|
|
* @return {Element|DocumentFragment}
|
|
*/
|
|
|
|
function cloneNode(node) {
|
|
/* istanbul ignore if */
|
|
if (!node.querySelectorAll) {
|
|
return node.cloneNode();
|
|
}
|
|
var res = node.cloneNode(true);
|
|
var i, original, cloned;
|
|
/* istanbul ignore if */
|
|
if (hasBrokenTemplate) {
|
|
var tempClone = res;
|
|
if (isRealTemplate(node)) {
|
|
node = node.content;
|
|
tempClone = res.content;
|
|
}
|
|
original = node.querySelectorAll('template');
|
|
if (original.length) {
|
|
cloned = tempClone.querySelectorAll('template');
|
|
i = cloned.length;
|
|
while (i--) {
|
|
cloned[i].parentNode.replaceChild(cloneNode(original[i]), cloned[i]);
|
|
}
|
|
}
|
|
}
|
|
/* istanbul ignore if */
|
|
if (hasTextareaCloneBug) {
|
|
if (node.tagName === 'TEXTAREA') {
|
|
res.value = node.value;
|
|
} else {
|
|
original = node.querySelectorAll('textarea');
|
|
if (original.length) {
|
|
cloned = res.querySelectorAll('textarea');
|
|
i = cloned.length;
|
|
while (i--) {
|
|
cloned[i].value = original[i].value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Process the template option and normalizes it into a
|
|
* a DocumentFragment that can be used as a partial or a
|
|
* instance template.
|
|
*
|
|
* @param {*} template
|
|
* Possible values include:
|
|
* - DocumentFragment object
|
|
* - Node object of type Template
|
|
* - id selector: '#some-template-id'
|
|
* - template string: '<div><span>{{msg}}</span></div>'
|
|
* @param {Boolean} shouldClone
|
|
* @param {Boolean} raw
|
|
* inline HTML interpolation. Do not check for id
|
|
* selector and keep whitespace in the string.
|
|
* @return {DocumentFragment|undefined}
|
|
*/
|
|
|
|
function parseTemplate(template, shouldClone, raw) {
|
|
var node, frag;
|
|
|
|
// if the template is already a document fragment,
|
|
// do nothing
|
|
if (isFragment(template)) {
|
|
trimNode(template);
|
|
return shouldClone ? cloneNode(template) : template;
|
|
}
|
|
|
|
if (typeof template === 'string') {
|
|
// id selector
|
|
if (!raw && template.charAt(0) === '#') {
|
|
// id selector can be cached too
|
|
frag = idSelectorCache.get(template);
|
|
if (!frag) {
|
|
node = document.getElementById(template.slice(1));
|
|
if (node) {
|
|
frag = nodeToFragment(node);
|
|
// save selector to cache
|
|
idSelectorCache.put(template, frag);
|
|
}
|
|
}
|
|
} else {
|
|
// normal string template
|
|
frag = stringToFragment(template, raw);
|
|
}
|
|
} else if (template.nodeType) {
|
|
// a direct node
|
|
frag = nodeToFragment(template);
|
|
}
|
|
|
|
return frag && shouldClone ? cloneNode(frag) : frag;
|
|
}
|
|
|
|
var template = Object.freeze({
|
|
cloneNode: cloneNode,
|
|
parseTemplate: parseTemplate
|
|
});
|
|
|
|
var html = {
|
|
|
|
bind: function bind() {
|
|
// a comment node means this is a binding for
|
|
// {{{ inline unescaped html }}}
|
|
if (this.el.nodeType === 8) {
|
|
// hold nodes
|
|
this.nodes = [];
|
|
// replace the placeholder with proper anchor
|
|
this.anchor = createAnchor('v-html');
|
|
replace(this.el, this.anchor);
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
value = _toString(value);
|
|
if (this.nodes) {
|
|
this.swap(value);
|
|
} else {
|
|
this.el.innerHTML = value;
|
|
}
|
|
},
|
|
|
|
swap: function swap(value) {
|
|
// remove old nodes
|
|
var i = this.nodes.length;
|
|
while (i--) {
|
|
remove(this.nodes[i]);
|
|
}
|
|
// convert new value to a fragment
|
|
// do not attempt to retrieve from id selector
|
|
var frag = parseTemplate(value, true, true);
|
|
// save a reference to these nodes so we can remove later
|
|
this.nodes = toArray(frag.childNodes);
|
|
before(frag, this.anchor);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Abstraction for a partially-compiled fragment.
|
|
* Can optionally compile content with a child scope.
|
|
*
|
|
* @param {Function} linker
|
|
* @param {Vue} vm
|
|
* @param {DocumentFragment} frag
|
|
* @param {Vue} [host]
|
|
* @param {Object} [scope]
|
|
* @param {Fragment} [parentFrag]
|
|
*/
|
|
function Fragment(linker, vm, frag, host, scope, parentFrag) {
|
|
this.children = [];
|
|
this.childFrags = [];
|
|
this.vm = vm;
|
|
this.scope = scope;
|
|
this.inserted = false;
|
|
this.parentFrag = parentFrag;
|
|
if (parentFrag) {
|
|
parentFrag.childFrags.push(this);
|
|
}
|
|
this.unlink = linker(vm, frag, host, scope, this);
|
|
var single = this.single = frag.childNodes.length === 1 &&
|
|
// do not go single mode if the only node is an anchor
|
|
!frag.childNodes[0].__v_anchor;
|
|
if (single) {
|
|
this.node = frag.childNodes[0];
|
|
this.before = singleBefore;
|
|
this.remove = singleRemove;
|
|
} else {
|
|
this.node = createAnchor('fragment-start');
|
|
this.end = createAnchor('fragment-end');
|
|
this.frag = frag;
|
|
prepend(this.node, frag);
|
|
frag.appendChild(this.end);
|
|
this.before = multiBefore;
|
|
this.remove = multiRemove;
|
|
}
|
|
this.node.__v_frag = this;
|
|
}
|
|
|
|
/**
|
|
* Call attach/detach for all components contained within
|
|
* this fragment. Also do so recursively for all child
|
|
* fragments.
|
|
*
|
|
* @param {Function} hook
|
|
*/
|
|
|
|
Fragment.prototype.callHook = function (hook) {
|
|
var i, l;
|
|
for (i = 0, l = this.childFrags.length; i < l; i++) {
|
|
this.childFrags[i].callHook(hook);
|
|
}
|
|
for (i = 0, l = this.children.length; i < l; i++) {
|
|
hook(this.children[i]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Insert fragment before target, single node version
|
|
*
|
|
* @param {Node} target
|
|
* @param {Boolean} withTransition
|
|
*/
|
|
|
|
function singleBefore(target, withTransition) {
|
|
this.inserted = true;
|
|
var method = withTransition !== false ? beforeWithTransition : before;
|
|
method(this.node, target, this.vm);
|
|
if (inDoc(this.node)) {
|
|
this.callHook(attach);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove fragment, single node version
|
|
*/
|
|
|
|
function singleRemove() {
|
|
this.inserted = false;
|
|
var shouldCallRemove = inDoc(this.node);
|
|
var self = this;
|
|
this.beforeRemove();
|
|
removeWithTransition(this.node, this.vm, function () {
|
|
if (shouldCallRemove) {
|
|
self.callHook(detach);
|
|
}
|
|
self.destroy();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Insert fragment before target, multi-nodes version
|
|
*
|
|
* @param {Node} target
|
|
* @param {Boolean} withTransition
|
|
*/
|
|
|
|
function multiBefore(target, withTransition) {
|
|
this.inserted = true;
|
|
var vm = this.vm;
|
|
var method = withTransition !== false ? beforeWithTransition : before;
|
|
mapNodeRange(this.node, this.end, function (node) {
|
|
method(node, target, vm);
|
|
});
|
|
if (inDoc(this.node)) {
|
|
this.callHook(attach);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove fragment, multi-nodes version
|
|
*/
|
|
|
|
function multiRemove() {
|
|
this.inserted = false;
|
|
var self = this;
|
|
var shouldCallRemove = inDoc(this.node);
|
|
this.beforeRemove();
|
|
removeNodeRange(this.node, this.end, this.vm, this.frag, function () {
|
|
if (shouldCallRemove) {
|
|
self.callHook(detach);
|
|
}
|
|
self.destroy();
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Prepare the fragment for removal.
|
|
*/
|
|
|
|
Fragment.prototype.beforeRemove = function () {
|
|
var i, l;
|
|
for (i = 0, l = this.childFrags.length; i < l; i++) {
|
|
// call the same method recursively on child
|
|
// fragments, depth-first
|
|
this.childFrags[i].beforeRemove(false);
|
|
}
|
|
for (i = 0, l = this.children.length; i < l; i++) {
|
|
// Call destroy for all contained instances,
|
|
// with remove:false and defer:true.
|
|
// Defer is necessary because we need to
|
|
// keep the children to call detach hooks
|
|
// on them.
|
|
this.children[i].$destroy(false, true);
|
|
}
|
|
var dirs = this.unlink.dirs;
|
|
for (i = 0, l = dirs.length; i < l; i++) {
|
|
// disable the watchers on all the directives
|
|
// so that the rendered content stays the same
|
|
// during removal.
|
|
dirs[i]._watcher && dirs[i]._watcher.teardown();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Destroy the fragment.
|
|
*/
|
|
|
|
Fragment.prototype.destroy = function () {
|
|
if (this.parentFrag) {
|
|
this.parentFrag.childFrags.$remove(this);
|
|
}
|
|
this.node.__v_frag = null;
|
|
this.unlink();
|
|
};
|
|
|
|
/**
|
|
* Call attach hook for a Vue instance.
|
|
*
|
|
* @param {Vue} child
|
|
*/
|
|
|
|
function attach(child) {
|
|
if (!child._isAttached && inDoc(child.$el)) {
|
|
child._callHook('attached');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Call detach hook for a Vue instance.
|
|
*
|
|
* @param {Vue} child
|
|
*/
|
|
|
|
function detach(child) {
|
|
if (child._isAttached && !inDoc(child.$el)) {
|
|
child._callHook('detached');
|
|
}
|
|
}
|
|
|
|
var linkerCache = new Cache(5000);
|
|
|
|
/**
|
|
* A factory that can be used to create instances of a
|
|
* fragment. Caches the compiled linker if possible.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Element|String} el
|
|
*/
|
|
function FragmentFactory(vm, el) {
|
|
this.vm = vm;
|
|
var template;
|
|
var isString = typeof el === 'string';
|
|
if (isString || isTemplate(el) && !el.hasAttribute('v-if')) {
|
|
template = parseTemplate(el, true);
|
|
} else {
|
|
template = document.createDocumentFragment();
|
|
template.appendChild(el);
|
|
}
|
|
this.template = template;
|
|
// linker can be cached, but only for components
|
|
var linker;
|
|
var cid = vm.constructor.cid;
|
|
if (cid > 0) {
|
|
var cacheId = cid + (isString ? el : getOuterHTML(el));
|
|
linker = linkerCache.get(cacheId);
|
|
if (!linker) {
|
|
linker = compile(template, vm.$options, true);
|
|
linkerCache.put(cacheId, linker);
|
|
}
|
|
} else {
|
|
linker = compile(template, vm.$options, true);
|
|
}
|
|
this.linker = linker;
|
|
}
|
|
|
|
/**
|
|
* Create a fragment instance with given host and scope.
|
|
*
|
|
* @param {Vue} host
|
|
* @param {Object} scope
|
|
* @param {Fragment} parentFrag
|
|
*/
|
|
|
|
FragmentFactory.prototype.create = function (host, scope, parentFrag) {
|
|
var frag = cloneNode(this.template);
|
|
return new Fragment(this.linker, this.vm, frag, host, scope, parentFrag);
|
|
};
|
|
|
|
var ON = 700;
|
|
var MODEL = 800;
|
|
var BIND = 850;
|
|
var TRANSITION = 1100;
|
|
var EL = 1500;
|
|
var COMPONENT = 1500;
|
|
var PARTIAL = 1750;
|
|
var IF = 2100;
|
|
var FOR = 2200;
|
|
var SLOT = 2300;
|
|
|
|
var uid$3 = 0;
|
|
|
|
var vFor = {
|
|
|
|
priority: FOR,
|
|
terminal: true,
|
|
|
|
params: ['track-by', 'stagger', 'enter-stagger', 'leave-stagger'],
|
|
|
|
bind: function bind() {
|
|
// support "item in/of items" syntax
|
|
var inMatch = this.expression.match(/(.*) (?:in|of) (.*)/);
|
|
if (inMatch) {
|
|
var itMatch = inMatch[1].match(/\((.*),(.*)\)/);
|
|
if (itMatch) {
|
|
this.iterator = itMatch[1].trim();
|
|
this.alias = itMatch[2].trim();
|
|
} else {
|
|
this.alias = inMatch[1].trim();
|
|
}
|
|
this.expression = inMatch[2];
|
|
}
|
|
|
|
if (!this.alias) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid v-for expression "' + this.descriptor.raw + '": ' + 'alias is required.', this.vm);
|
|
return;
|
|
}
|
|
|
|
// uid as a cache identifier
|
|
this.id = '__v-for__' + ++uid$3;
|
|
|
|
// check if this is an option list,
|
|
// so that we know if we need to update the <select>'s
|
|
// v-model when the option list has changed.
|
|
// because v-model has a lower priority than v-for,
|
|
// the v-model is not bound here yet, so we have to
|
|
// retrive it in the actual updateModel() function.
|
|
var tag = this.el.tagName;
|
|
this.isOption = (tag === 'OPTION' || tag === 'OPTGROUP') && this.el.parentNode.tagName === 'SELECT';
|
|
|
|
// setup anchor nodes
|
|
this.start = createAnchor('v-for-start');
|
|
this.end = createAnchor('v-for-end');
|
|
replace(this.el, this.end);
|
|
before(this.start, this.end);
|
|
|
|
// cache
|
|
this.cache = Object.create(null);
|
|
|
|
// fragment factory
|
|
this.factory = new FragmentFactory(this.vm, this.el);
|
|
},
|
|
|
|
update: function update(data) {
|
|
this.diff(data);
|
|
this.updateRef();
|
|
this.updateModel();
|
|
},
|
|
|
|
/**
|
|
* Diff, based on new data and old data, determine the
|
|
* minimum amount of DOM manipulations needed to make the
|
|
* DOM reflect the new data Array.
|
|
*
|
|
* The algorithm diffs the new data Array by storing a
|
|
* hidden reference to an owner vm instance on previously
|
|
* seen data. This allows us to achieve O(n) which is
|
|
* better than a levenshtein distance based algorithm,
|
|
* which is O(m * n).
|
|
*
|
|
* @param {Array} data
|
|
*/
|
|
|
|
diff: function diff(data) {
|
|
// check if the Array was converted from an Object
|
|
var item = data[0];
|
|
var convertedFromObject = this.fromObject = isObject(item) && hasOwn(item, '$key') && hasOwn(item, '$value');
|
|
|
|
var trackByKey = this.params.trackBy;
|
|
var oldFrags = this.frags;
|
|
var frags = this.frags = new Array(data.length);
|
|
var alias = this.alias;
|
|
var iterator = this.iterator;
|
|
var start = this.start;
|
|
var end = this.end;
|
|
var inDocument = inDoc(start);
|
|
var init = !oldFrags;
|
|
var i, l, frag, key, value, primitive;
|
|
|
|
// First pass, go through the new Array and fill up
|
|
// the new frags array. If a piece of data has a cached
|
|
// instance for it, we reuse it. Otherwise build a new
|
|
// instance.
|
|
for (i = 0, l = data.length; i < l; i++) {
|
|
item = data[i];
|
|
key = convertedFromObject ? item.$key : null;
|
|
value = convertedFromObject ? item.$value : item;
|
|
primitive = !isObject(value);
|
|
frag = !init && this.getCachedFrag(value, i, key);
|
|
if (frag) {
|
|
// reusable fragment
|
|
frag.reused = true;
|
|
// update $index
|
|
frag.scope.$index = i;
|
|
// update $key
|
|
if (key) {
|
|
frag.scope.$key = key;
|
|
}
|
|
// update iterator
|
|
if (iterator) {
|
|
frag.scope[iterator] = key !== null ? key : i;
|
|
}
|
|
// update data for track-by, object repeat &
|
|
// primitive values.
|
|
if (trackByKey || convertedFromObject || primitive) {
|
|
withoutConversion(function () {
|
|
frag.scope[alias] = value;
|
|
});
|
|
}
|
|
} else {
|
|
// new isntance
|
|
frag = this.create(value, alias, i, key);
|
|
frag.fresh = !init;
|
|
}
|
|
frags[i] = frag;
|
|
if (init) {
|
|
frag.before(end);
|
|
}
|
|
}
|
|
|
|
// we're done for the initial render.
|
|
if (init) {
|
|
return;
|
|
}
|
|
|
|
// Second pass, go through the old fragments and
|
|
// destroy those who are not reused (and remove them
|
|
// from cache)
|
|
var removalIndex = 0;
|
|
var totalRemoved = oldFrags.length - frags.length;
|
|
// when removing a large number of fragments, watcher removal
|
|
// turns out to be a perf bottleneck, so we batch the watcher
|
|
// removals into a single filter call!
|
|
this.vm._vForRemoving = true;
|
|
for (i = 0, l = oldFrags.length; i < l; i++) {
|
|
frag = oldFrags[i];
|
|
if (!frag.reused) {
|
|
this.deleteCachedFrag(frag);
|
|
this.remove(frag, removalIndex++, totalRemoved, inDocument);
|
|
}
|
|
}
|
|
this.vm._vForRemoving = false;
|
|
if (removalIndex) {
|
|
this.vm._watchers = this.vm._watchers.filter(function (w) {
|
|
return w.active;
|
|
});
|
|
}
|
|
|
|
// Final pass, move/insert new fragments into the
|
|
// right place.
|
|
var targetPrev, prevEl, currentPrev;
|
|
var insertionIndex = 0;
|
|
for (i = 0, l = frags.length; i < l; i++) {
|
|
frag = frags[i];
|
|
// this is the frag that we should be after
|
|
targetPrev = frags[i - 1];
|
|
prevEl = targetPrev ? targetPrev.staggerCb ? targetPrev.staggerAnchor : targetPrev.end || targetPrev.node : start;
|
|
if (frag.reused && !frag.staggerCb) {
|
|
currentPrev = findPrevFrag(frag, start, this.id);
|
|
if (currentPrev !== targetPrev && (!currentPrev ||
|
|
// optimization for moving a single item.
|
|
// thanks to suggestions by @livoras in #1807
|
|
findPrevFrag(currentPrev, start, this.id) !== targetPrev)) {
|
|
this.move(frag, prevEl);
|
|
}
|
|
} else {
|
|
// new instance, or still in stagger.
|
|
// insert with updated stagger index.
|
|
this.insert(frag, insertionIndex++, prevEl, inDocument);
|
|
}
|
|
frag.reused = frag.fresh = false;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Create a new fragment instance.
|
|
*
|
|
* @param {*} value
|
|
* @param {String} alias
|
|
* @param {Number} index
|
|
* @param {String} [key]
|
|
* @return {Fragment}
|
|
*/
|
|
|
|
create: function create(value, alias, index, key) {
|
|
var host = this._host;
|
|
// create iteration scope
|
|
var parentScope = this._scope || this.vm;
|
|
var scope = Object.create(parentScope);
|
|
// ref holder for the scope
|
|
scope.$refs = Object.create(parentScope.$refs);
|
|
scope.$els = Object.create(parentScope.$els);
|
|
// make sure point $parent to parent scope
|
|
scope.$parent = parentScope;
|
|
// for two-way binding on alias
|
|
scope.$forContext = this;
|
|
// define scope properties
|
|
// important: define the scope alias without forced conversion
|
|
// so that frozen data structures remain non-reactive.
|
|
withoutConversion(function () {
|
|
defineReactive(scope, alias, value);
|
|
});
|
|
defineReactive(scope, '$index', index);
|
|
if (key) {
|
|
defineReactive(scope, '$key', key);
|
|
} else if (scope.$key) {
|
|
// avoid accidental fallback
|
|
def(scope, '$key', null);
|
|
}
|
|
if (this.iterator) {
|
|
defineReactive(scope, this.iterator, key !== null ? key : index);
|
|
}
|
|
var frag = this.factory.create(host, scope, this._frag);
|
|
frag.forId = this.id;
|
|
this.cacheFrag(value, frag, index, key);
|
|
return frag;
|
|
},
|
|
|
|
/**
|
|
* Update the v-ref on owner vm.
|
|
*/
|
|
|
|
updateRef: function updateRef() {
|
|
var ref = this.descriptor.ref;
|
|
if (!ref) return;
|
|
var hash = (this._scope || this.vm).$refs;
|
|
var refs;
|
|
if (!this.fromObject) {
|
|
refs = this.frags.map(findVmFromFrag);
|
|
} else {
|
|
refs = {};
|
|
this.frags.forEach(function (frag) {
|
|
refs[frag.scope.$key] = findVmFromFrag(frag);
|
|
});
|
|
}
|
|
hash[ref] = refs;
|
|
},
|
|
|
|
/**
|
|
* For option lists, update the containing v-model on
|
|
* parent <select>.
|
|
*/
|
|
|
|
updateModel: function updateModel() {
|
|
if (this.isOption) {
|
|
var parent = this.start.parentNode;
|
|
var model = parent && parent.__v_model;
|
|
if (model) {
|
|
model.forceUpdate();
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Insert a fragment. Handles staggering.
|
|
*
|
|
* @param {Fragment} frag
|
|
* @param {Number} index
|
|
* @param {Node} prevEl
|
|
* @param {Boolean} inDocument
|
|
*/
|
|
|
|
insert: function insert(frag, index, prevEl, inDocument) {
|
|
if (frag.staggerCb) {
|
|
frag.staggerCb.cancel();
|
|
frag.staggerCb = null;
|
|
}
|
|
var staggerAmount = this.getStagger(frag, index, null, 'enter');
|
|
if (inDocument && staggerAmount) {
|
|
// create an anchor and insert it synchronously,
|
|
// so that we can resolve the correct order without
|
|
// worrying about some elements not inserted yet
|
|
var anchor = frag.staggerAnchor;
|
|
if (!anchor) {
|
|
anchor = frag.staggerAnchor = createAnchor('stagger-anchor');
|
|
anchor.__v_frag = frag;
|
|
}
|
|
after(anchor, prevEl);
|
|
var op = frag.staggerCb = cancellable(function () {
|
|
frag.staggerCb = null;
|
|
frag.before(anchor);
|
|
remove(anchor);
|
|
});
|
|
setTimeout(op, staggerAmount);
|
|
} else {
|
|
var target = prevEl.nextSibling;
|
|
/* istanbul ignore if */
|
|
if (!target) {
|
|
// reset end anchor position in case the position was messed up
|
|
// by an external drag-n-drop library.
|
|
after(this.end, prevEl);
|
|
target = this.end;
|
|
}
|
|
frag.before(target);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Remove a fragment. Handles staggering.
|
|
*
|
|
* @param {Fragment} frag
|
|
* @param {Number} index
|
|
* @param {Number} total
|
|
* @param {Boolean} inDocument
|
|
*/
|
|
|
|
remove: function remove(frag, index, total, inDocument) {
|
|
if (frag.staggerCb) {
|
|
frag.staggerCb.cancel();
|
|
frag.staggerCb = null;
|
|
// it's not possible for the same frag to be removed
|
|
// twice, so if we have a pending stagger callback,
|
|
// it means this frag is queued for enter but removed
|
|
// before its transition started. Since it is already
|
|
// destroyed, we can just leave it in detached state.
|
|
return;
|
|
}
|
|
var staggerAmount = this.getStagger(frag, index, total, 'leave');
|
|
if (inDocument && staggerAmount) {
|
|
var op = frag.staggerCb = cancellable(function () {
|
|
frag.staggerCb = null;
|
|
frag.remove();
|
|
});
|
|
setTimeout(op, staggerAmount);
|
|
} else {
|
|
frag.remove();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Move a fragment to a new position.
|
|
* Force no transition.
|
|
*
|
|
* @param {Fragment} frag
|
|
* @param {Node} prevEl
|
|
*/
|
|
|
|
move: function move(frag, prevEl) {
|
|
// fix a common issue with Sortable:
|
|
// if prevEl doesn't have nextSibling, this means it's
|
|
// been dragged after the end anchor. Just re-position
|
|
// the end anchor to the end of the container.
|
|
/* istanbul ignore if */
|
|
if (!prevEl.nextSibling) {
|
|
this.end.parentNode.appendChild(this.end);
|
|
}
|
|
frag.before(prevEl.nextSibling, false);
|
|
},
|
|
|
|
/**
|
|
* Cache a fragment using track-by or the object key.
|
|
*
|
|
* @param {*} value
|
|
* @param {Fragment} frag
|
|
* @param {Number} index
|
|
* @param {String} [key]
|
|
*/
|
|
|
|
cacheFrag: function cacheFrag(value, frag, index, key) {
|
|
var trackByKey = this.params.trackBy;
|
|
var cache = this.cache;
|
|
var primitive = !isObject(value);
|
|
var id;
|
|
if (key || trackByKey || primitive) {
|
|
id = getTrackByKey(index, key, value, trackByKey);
|
|
if (!cache[id]) {
|
|
cache[id] = frag;
|
|
} else if (trackByKey !== '$index') {
|
|
process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
|
|
}
|
|
} else {
|
|
id = this.id;
|
|
if (hasOwn(value, id)) {
|
|
if (value[id] === null) {
|
|
value[id] = frag;
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
|
|
}
|
|
} else if (Object.isExtensible(value)) {
|
|
def(value, id, frag);
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('Frozen v-for objects cannot be automatically tracked, make sure to ' + 'provide a track-by key.');
|
|
}
|
|
}
|
|
frag.raw = value;
|
|
},
|
|
|
|
/**
|
|
* Get a cached fragment from the value/index/key
|
|
*
|
|
* @param {*} value
|
|
* @param {Number} index
|
|
* @param {String} key
|
|
* @return {Fragment}
|
|
*/
|
|
|
|
getCachedFrag: function getCachedFrag(value, index, key) {
|
|
var trackByKey = this.params.trackBy;
|
|
var primitive = !isObject(value);
|
|
var frag;
|
|
if (key || trackByKey || primitive) {
|
|
var id = getTrackByKey(index, key, value, trackByKey);
|
|
frag = this.cache[id];
|
|
} else {
|
|
frag = value[this.id];
|
|
}
|
|
if (frag && (frag.reused || frag.fresh)) {
|
|
process.env.NODE_ENV !== 'production' && this.warnDuplicate(value);
|
|
}
|
|
return frag;
|
|
},
|
|
|
|
/**
|
|
* Delete a fragment from cache.
|
|
*
|
|
* @param {Fragment} frag
|
|
*/
|
|
|
|
deleteCachedFrag: function deleteCachedFrag(frag) {
|
|
var value = frag.raw;
|
|
var trackByKey = this.params.trackBy;
|
|
var scope = frag.scope;
|
|
var index = scope.$index;
|
|
// fix #948: avoid accidentally fall through to
|
|
// a parent repeater which happens to have $key.
|
|
var key = hasOwn(scope, '$key') && scope.$key;
|
|
var primitive = !isObject(value);
|
|
if (trackByKey || key || primitive) {
|
|
var id = getTrackByKey(index, key, value, trackByKey);
|
|
this.cache[id] = null;
|
|
} else {
|
|
value[this.id] = null;
|
|
frag.raw = null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Get the stagger amount for an insertion/removal.
|
|
*
|
|
* @param {Fragment} frag
|
|
* @param {Number} index
|
|
* @param {Number} total
|
|
* @param {String} type
|
|
*/
|
|
|
|
getStagger: function getStagger(frag, index, total, type) {
|
|
type = type + 'Stagger';
|
|
var trans = frag.node.__v_trans;
|
|
var hooks = trans && trans.hooks;
|
|
var hook = hooks && (hooks[type] || hooks.stagger);
|
|
return hook ? hook.call(frag, index, total) : index * parseInt(this.params[type] || this.params.stagger, 10);
|
|
},
|
|
|
|
/**
|
|
* Pre-process the value before piping it through the
|
|
* filters. This is passed to and called by the watcher.
|
|
*/
|
|
|
|
_preProcess: function _preProcess(value) {
|
|
// regardless of type, store the un-filtered raw value.
|
|
this.rawValue = value;
|
|
return value;
|
|
},
|
|
|
|
/**
|
|
* Post-process the value after it has been piped through
|
|
* the filters. This is passed to and called by the watcher.
|
|
*
|
|
* It is necessary for this to be called during the
|
|
* wathcer's dependency collection phase because we want
|
|
* the v-for to update when the source Object is mutated.
|
|
*/
|
|
|
|
_postProcess: function _postProcess(value) {
|
|
if (isArray(value)) {
|
|
return value;
|
|
} else if (isPlainObject(value)) {
|
|
// convert plain object to array.
|
|
var keys = Object.keys(value);
|
|
var i = keys.length;
|
|
var res = new Array(i);
|
|
var key;
|
|
while (i--) {
|
|
key = keys[i];
|
|
res[i] = {
|
|
$key: key,
|
|
$value: value[key]
|
|
};
|
|
}
|
|
return res;
|
|
} else {
|
|
if (typeof value === 'number' && !isNaN(value)) {
|
|
value = range(value);
|
|
}
|
|
return value || [];
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
if (this.descriptor.ref) {
|
|
(this._scope || this.vm).$refs[this.descriptor.ref] = null;
|
|
}
|
|
if (this.frags) {
|
|
var i = this.frags.length;
|
|
var frag;
|
|
while (i--) {
|
|
frag = this.frags[i];
|
|
this.deleteCachedFrag(frag);
|
|
frag.destroy();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Helper to find the previous element that is a fragment
|
|
* anchor. This is necessary because a destroyed frag's
|
|
* element could still be lingering in the DOM before its
|
|
* leaving transition finishes, but its inserted flag
|
|
* should have been set to false so we can skip them.
|
|
*
|
|
* If this is a block repeat, we want to make sure we only
|
|
* return frag that is bound to this v-for. (see #929)
|
|
*
|
|
* @param {Fragment} frag
|
|
* @param {Comment|Text} anchor
|
|
* @param {String} id
|
|
* @return {Fragment}
|
|
*/
|
|
|
|
function findPrevFrag(frag, anchor, id) {
|
|
var el = frag.node.previousSibling;
|
|
/* istanbul ignore if */
|
|
if (!el) return;
|
|
frag = el.__v_frag;
|
|
while ((!frag || frag.forId !== id || !frag.inserted) && el !== anchor) {
|
|
el = el.previousSibling;
|
|
/* istanbul ignore if */
|
|
if (!el) return;
|
|
frag = el.__v_frag;
|
|
}
|
|
return frag;
|
|
}
|
|
|
|
/**
|
|
* Find a vm from a fragment.
|
|
*
|
|
* @param {Fragment} frag
|
|
* @return {Vue|undefined}
|
|
*/
|
|
|
|
function findVmFromFrag(frag) {
|
|
var node = frag.node;
|
|
// handle multi-node frag
|
|
if (frag.end) {
|
|
while (!node.__vue__ && node !== frag.end && node.nextSibling) {
|
|
node = node.nextSibling;
|
|
}
|
|
}
|
|
return node.__vue__;
|
|
}
|
|
|
|
/**
|
|
* Create a range array from given number.
|
|
*
|
|
* @param {Number} n
|
|
* @return {Array}
|
|
*/
|
|
|
|
function range(n) {
|
|
var i = -1;
|
|
var ret = new Array(Math.floor(n));
|
|
while (++i < n) {
|
|
ret[i] = i;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Get the track by key for an item.
|
|
*
|
|
* @param {Number} index
|
|
* @param {String} key
|
|
* @param {*} value
|
|
* @param {String} [trackByKey]
|
|
*/
|
|
|
|
function getTrackByKey(index, key, value, trackByKey) {
|
|
return trackByKey ? trackByKey === '$index' ? index : trackByKey.charAt(0).match(/\w/) ? getPath(value, trackByKey) : value[trackByKey] : key || value;
|
|
}
|
|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
vFor.warnDuplicate = function (value) {
|
|
warn('Duplicate value found in v-for="' + this.descriptor.raw + '": ' + JSON.stringify(value) + '. Use track-by="$index" if ' + 'you are expecting duplicate values.', this.vm);
|
|
};
|
|
}
|
|
|
|
var vIf = {
|
|
|
|
priority: IF,
|
|
terminal: true,
|
|
|
|
bind: function bind() {
|
|
var el = this.el;
|
|
if (!el.__vue__) {
|
|
// check else block
|
|
var next = el.nextElementSibling;
|
|
if (next && getAttr(next, 'v-else') !== null) {
|
|
remove(next);
|
|
this.elseEl = next;
|
|
}
|
|
// check main block
|
|
this.anchor = createAnchor('v-if');
|
|
replace(el, this.anchor);
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('v-if="' + this.expression + '" cannot be ' + 'used on an instance root element.', this.vm);
|
|
this.invalid = true;
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
if (this.invalid) return;
|
|
if (value) {
|
|
if (!this.frag) {
|
|
this.insert();
|
|
}
|
|
} else {
|
|
this.remove();
|
|
}
|
|
},
|
|
|
|
insert: function insert() {
|
|
if (this.elseFrag) {
|
|
this.elseFrag.remove();
|
|
this.elseFrag = null;
|
|
}
|
|
// lazy init factory
|
|
if (!this.factory) {
|
|
this.factory = new FragmentFactory(this.vm, this.el);
|
|
}
|
|
this.frag = this.factory.create(this._host, this._scope, this._frag);
|
|
this.frag.before(this.anchor);
|
|
},
|
|
|
|
remove: function remove() {
|
|
if (this.frag) {
|
|
this.frag.remove();
|
|
this.frag = null;
|
|
}
|
|
if (this.elseEl && !this.elseFrag) {
|
|
if (!this.elseFactory) {
|
|
this.elseFactory = new FragmentFactory(this.elseEl._context || this.vm, this.elseEl);
|
|
}
|
|
this.elseFrag = this.elseFactory.create(this._host, this._scope, this._frag);
|
|
this.elseFrag.before(this.anchor);
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
if (this.frag) {
|
|
this.frag.destroy();
|
|
}
|
|
if (this.elseFrag) {
|
|
this.elseFrag.destroy();
|
|
}
|
|
}
|
|
};
|
|
|
|
var show = {
|
|
|
|
bind: function bind() {
|
|
// check else block
|
|
var next = this.el.nextElementSibling;
|
|
if (next && getAttr(next, 'v-else') !== null) {
|
|
this.elseEl = next;
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
this.apply(this.el, value);
|
|
if (this.elseEl) {
|
|
this.apply(this.elseEl, !value);
|
|
}
|
|
},
|
|
|
|
apply: function apply(el, value) {
|
|
if (inDoc(el)) {
|
|
applyTransition(el, value ? 1 : -1, toggle, this.vm);
|
|
} else {
|
|
toggle();
|
|
}
|
|
function toggle() {
|
|
el.style.display = value ? '' : 'none';
|
|
}
|
|
}
|
|
};
|
|
|
|
var text$2 = {
|
|
|
|
bind: function bind() {
|
|
var self = this;
|
|
var el = this.el;
|
|
var isRange = el.type === 'range';
|
|
var lazy = this.params.lazy;
|
|
var number = this.params.number;
|
|
var debounce = this.params.debounce;
|
|
|
|
// handle composition events.
|
|
// http://blog.evanyou.me/2014/01/03/composition-event/
|
|
// skip this for Android because it handles composition
|
|
// events quite differently. Android doesn't trigger
|
|
// composition events for language input methods e.g.
|
|
// Chinese, but instead triggers them for spelling
|
|
// suggestions... (see Discussion/#162)
|
|
var composing = false;
|
|
if (!isAndroid && !isRange) {
|
|
this.on('compositionstart', function () {
|
|
composing = true;
|
|
});
|
|
this.on('compositionend', function () {
|
|
composing = false;
|
|
// in IE11 the "compositionend" event fires AFTER
|
|
// the "input" event, so the input handler is blocked
|
|
// at the end... have to call it here.
|
|
//
|
|
// #1327: in lazy mode this is unecessary.
|
|
if (!lazy) {
|
|
self.listener();
|
|
}
|
|
});
|
|
}
|
|
|
|
// prevent messing with the input when user is typing,
|
|
// and force update on blur.
|
|
this.focused = false;
|
|
if (!isRange && !lazy) {
|
|
this.on('focus', function () {
|
|
self.focused = true;
|
|
});
|
|
this.on('blur', function () {
|
|
self.focused = false;
|
|
// do not sync value after fragment removal (#2017)
|
|
if (!self._frag || self._frag.inserted) {
|
|
self.rawListener();
|
|
}
|
|
});
|
|
}
|
|
|
|
// Now attach the main listener
|
|
this.listener = this.rawListener = function () {
|
|
if (composing || !self._bound) {
|
|
return;
|
|
}
|
|
var val = number || isRange ? toNumber(el.value) : el.value;
|
|
self.set(val);
|
|
// force update on next tick to avoid lock & same value
|
|
// also only update when user is not typing
|
|
nextTick(function () {
|
|
if (self._bound && !self.focused) {
|
|
self.update(self._watcher.value);
|
|
}
|
|
});
|
|
};
|
|
|
|
// apply debounce
|
|
if (debounce) {
|
|
this.listener = _debounce(this.listener, debounce);
|
|
}
|
|
|
|
// Support jQuery events, since jQuery.trigger() doesn't
|
|
// trigger native events in some cases and some plugins
|
|
// rely on $.trigger()
|
|
//
|
|
// We want to make sure if a listener is attached using
|
|
// jQuery, it is also removed with jQuery, that's why
|
|
// we do the check for each directive instance and
|
|
// store that check result on itself. This also allows
|
|
// easier test coverage control by unsetting the global
|
|
// jQuery variable in tests.
|
|
this.hasjQuery = typeof jQuery === 'function';
|
|
if (this.hasjQuery) {
|
|
var method = jQuery.fn.on ? 'on' : 'bind';
|
|
jQuery(el)[method]('change', this.rawListener);
|
|
if (!lazy) {
|
|
jQuery(el)[method]('input', this.listener);
|
|
}
|
|
} else {
|
|
this.on('change', this.rawListener);
|
|
if (!lazy) {
|
|
this.on('input', this.listener);
|
|
}
|
|
}
|
|
|
|
// IE9 doesn't fire input event on backspace/del/cut
|
|
if (!lazy && isIE9) {
|
|
this.on('cut', function () {
|
|
nextTick(self.listener);
|
|
});
|
|
this.on('keyup', function (e) {
|
|
if (e.keyCode === 46 || e.keyCode === 8) {
|
|
self.listener();
|
|
}
|
|
});
|
|
}
|
|
|
|
// set initial value if present
|
|
if (el.hasAttribute('value') || el.tagName === 'TEXTAREA' && el.value.trim()) {
|
|
this.afterBind = this.listener;
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
this.el.value = _toString(value);
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
var el = this.el;
|
|
if (this.hasjQuery) {
|
|
var method = jQuery.fn.off ? 'off' : 'unbind';
|
|
jQuery(el)[method]('change', this.listener);
|
|
jQuery(el)[method]('input', this.listener);
|
|
}
|
|
}
|
|
};
|
|
|
|
var radio = {
|
|
|
|
bind: function bind() {
|
|
var self = this;
|
|
var el = this.el;
|
|
|
|
this.getValue = function () {
|
|
// value overwrite via v-bind:value
|
|
if (el.hasOwnProperty('_value')) {
|
|
return el._value;
|
|
}
|
|
var val = el.value;
|
|
if (self.params.number) {
|
|
val = toNumber(val);
|
|
}
|
|
return val;
|
|
};
|
|
|
|
this.listener = function () {
|
|
self.set(self.getValue());
|
|
};
|
|
this.on('change', this.listener);
|
|
|
|
if (el.hasAttribute('checked')) {
|
|
this.afterBind = this.listener;
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
this.el.checked = looseEqual(value, this.getValue());
|
|
}
|
|
};
|
|
|
|
var select = {
|
|
|
|
bind: function bind() {
|
|
var self = this;
|
|
var el = this.el;
|
|
|
|
// method to force update DOM using latest value.
|
|
this.forceUpdate = function () {
|
|
if (self._watcher) {
|
|
self.update(self._watcher.get());
|
|
}
|
|
};
|
|
|
|
// check if this is a multiple select
|
|
var multiple = this.multiple = el.hasAttribute('multiple');
|
|
|
|
// attach listener
|
|
this.listener = function () {
|
|
var value = getValue(el, multiple);
|
|
value = self.params.number ? isArray(value) ? value.map(toNumber) : toNumber(value) : value;
|
|
self.set(value);
|
|
};
|
|
this.on('change', this.listener);
|
|
|
|
// if has initial value, set afterBind
|
|
var initValue = getValue(el, multiple, true);
|
|
if (multiple && initValue.length || !multiple && initValue !== null) {
|
|
this.afterBind = this.listener;
|
|
}
|
|
|
|
// All major browsers except Firefox resets
|
|
// selectedIndex with value -1 to 0 when the element
|
|
// is appended to a new parent, therefore we have to
|
|
// force a DOM update whenever that happens...
|
|
this.vm.$on('hook:attached', this.forceUpdate);
|
|
},
|
|
|
|
update: function update(value) {
|
|
var el = this.el;
|
|
el.selectedIndex = -1;
|
|
var multi = this.multiple && isArray(value);
|
|
var options = el.options;
|
|
var i = options.length;
|
|
var op, val;
|
|
while (i--) {
|
|
op = options[i];
|
|
val = op.hasOwnProperty('_value') ? op._value : op.value;
|
|
/* eslint-disable eqeqeq */
|
|
op.selected = multi ? indexOf$1(value, val) > -1 : looseEqual(value, val);
|
|
/* eslint-enable eqeqeq */
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
/* istanbul ignore next */
|
|
this.vm.$off('hook:attached', this.forceUpdate);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get select value
|
|
*
|
|
* @param {SelectElement} el
|
|
* @param {Boolean} multi
|
|
* @param {Boolean} init
|
|
* @return {Array|*}
|
|
*/
|
|
|
|
function getValue(el, multi, init) {
|
|
var res = multi ? [] : null;
|
|
var op, val, selected;
|
|
for (var i = 0, l = el.options.length; i < l; i++) {
|
|
op = el.options[i];
|
|
selected = init ? op.hasAttribute('selected') : op.selected;
|
|
if (selected) {
|
|
val = op.hasOwnProperty('_value') ? op._value : op.value;
|
|
if (multi) {
|
|
res.push(val);
|
|
} else {
|
|
return val;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Native Array.indexOf uses strict equal, but in this
|
|
* case we need to match string/numbers with custom equal.
|
|
*
|
|
* @param {Array} arr
|
|
* @param {*} val
|
|
*/
|
|
|
|
function indexOf$1(arr, val) {
|
|
var i = arr.length;
|
|
while (i--) {
|
|
if (looseEqual(arr[i], val)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
var checkbox = {
|
|
|
|
bind: function bind() {
|
|
var self = this;
|
|
var el = this.el;
|
|
|
|
this.getValue = function () {
|
|
return el.hasOwnProperty('_value') ? el._value : self.params.number ? toNumber(el.value) : el.value;
|
|
};
|
|
|
|
function getBooleanValue() {
|
|
var val = el.checked;
|
|
if (val && el.hasOwnProperty('_trueValue')) {
|
|
return el._trueValue;
|
|
}
|
|
if (!val && el.hasOwnProperty('_falseValue')) {
|
|
return el._falseValue;
|
|
}
|
|
return val;
|
|
}
|
|
|
|
this.listener = function () {
|
|
var model = self._watcher.value;
|
|
if (isArray(model)) {
|
|
var val = self.getValue();
|
|
if (el.checked) {
|
|
if (indexOf(model, val) < 0) {
|
|
model.push(val);
|
|
}
|
|
} else {
|
|
model.$remove(val);
|
|
}
|
|
} else {
|
|
self.set(getBooleanValue());
|
|
}
|
|
};
|
|
|
|
this.on('change', this.listener);
|
|
if (el.hasAttribute('checked')) {
|
|
this.afterBind = this.listener;
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
var el = this.el;
|
|
if (isArray(value)) {
|
|
el.checked = indexOf(value, this.getValue()) > -1;
|
|
} else {
|
|
if (el.hasOwnProperty('_trueValue')) {
|
|
el.checked = looseEqual(value, el._trueValue);
|
|
} else {
|
|
el.checked = !!value;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var handlers = {
|
|
text: text$2,
|
|
radio: radio,
|
|
select: select,
|
|
checkbox: checkbox
|
|
};
|
|
|
|
var model = {
|
|
|
|
priority: MODEL,
|
|
twoWay: true,
|
|
handlers: handlers,
|
|
params: ['lazy', 'number', 'debounce'],
|
|
|
|
/**
|
|
* Possible elements:
|
|
* <select>
|
|
* <textarea>
|
|
* <input type="*">
|
|
* - text
|
|
* - checkbox
|
|
* - radio
|
|
* - number
|
|
*/
|
|
|
|
bind: function bind() {
|
|
// friendly warning...
|
|
this.checkFilters();
|
|
if (this.hasRead && !this.hasWrite) {
|
|
process.env.NODE_ENV !== 'production' && warn('It seems you are using a read-only filter with ' + 'v-model="' + this.descriptor.raw + '". ' + 'You might want to use a two-way filter to ensure correct behavior.', this.vm);
|
|
}
|
|
var el = this.el;
|
|
var tag = el.tagName;
|
|
var handler;
|
|
if (tag === 'INPUT') {
|
|
handler = handlers[el.type] || handlers.text;
|
|
} else if (tag === 'SELECT') {
|
|
handler = handlers.select;
|
|
} else if (tag === 'TEXTAREA') {
|
|
handler = handlers.text;
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('v-model does not support element type: ' + tag, this.vm);
|
|
return;
|
|
}
|
|
el.__v_model = this;
|
|
handler.bind.call(this);
|
|
this.update = handler.update;
|
|
this._unbind = handler.unbind;
|
|
},
|
|
|
|
/**
|
|
* Check read/write filter stats.
|
|
*/
|
|
|
|
checkFilters: function checkFilters() {
|
|
var filters = this.filters;
|
|
if (!filters) return;
|
|
var i = filters.length;
|
|
while (i--) {
|
|
var filter = resolveAsset(this.vm.$options, 'filters', filters[i].name);
|
|
if (typeof filter === 'function' || filter.read) {
|
|
this.hasRead = true;
|
|
}
|
|
if (filter.write) {
|
|
this.hasWrite = true;
|
|
}
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
this.el.__v_model = null;
|
|
this._unbind && this._unbind();
|
|
}
|
|
};
|
|
|
|
// keyCode aliases
|
|
var keyCodes = {
|
|
esc: 27,
|
|
tab: 9,
|
|
enter: 13,
|
|
space: 32,
|
|
'delete': [8, 46],
|
|
up: 38,
|
|
left: 37,
|
|
right: 39,
|
|
down: 40
|
|
};
|
|
|
|
function keyFilter(handler, keys) {
|
|
var codes = keys.map(function (key) {
|
|
var charCode = key.charCodeAt(0);
|
|
if (charCode > 47 && charCode < 58) {
|
|
return parseInt(key, 10);
|
|
}
|
|
if (key.length === 1) {
|
|
charCode = key.toUpperCase().charCodeAt(0);
|
|
if (charCode > 64 && charCode < 91) {
|
|
return charCode;
|
|
}
|
|
}
|
|
return keyCodes[key];
|
|
});
|
|
codes = [].concat.apply([], codes);
|
|
return function keyHandler(e) {
|
|
if (codes.indexOf(e.keyCode) > -1) {
|
|
return handler.call(this, e);
|
|
}
|
|
};
|
|
}
|
|
|
|
function stopFilter(handler) {
|
|
return function stopHandler(e) {
|
|
e.stopPropagation();
|
|
return handler.call(this, e);
|
|
};
|
|
}
|
|
|
|
function preventFilter(handler) {
|
|
return function preventHandler(e) {
|
|
e.preventDefault();
|
|
return handler.call(this, e);
|
|
};
|
|
}
|
|
|
|
function selfFilter(handler) {
|
|
return function selfHandler(e) {
|
|
if (e.target === e.currentTarget) {
|
|
return handler.call(this, e);
|
|
}
|
|
};
|
|
}
|
|
|
|
var on$1 = {
|
|
|
|
priority: ON,
|
|
acceptStatement: true,
|
|
keyCodes: keyCodes,
|
|
|
|
bind: function bind() {
|
|
// deal with iframes
|
|
if (this.el.tagName === 'IFRAME' && this.arg !== 'load') {
|
|
var self = this;
|
|
this.iframeBind = function () {
|
|
on(self.el.contentWindow, self.arg, self.handler, self.modifiers.capture);
|
|
};
|
|
this.on('load', this.iframeBind);
|
|
}
|
|
},
|
|
|
|
update: function update(handler) {
|
|
// stub a noop for v-on with no value,
|
|
// e.g. @mousedown.prevent
|
|
if (!this.descriptor.raw) {
|
|
handler = function () {};
|
|
}
|
|
|
|
if (typeof handler !== 'function') {
|
|
process.env.NODE_ENV !== 'production' && warn('v-on:' + this.arg + '="' + this.expression + '" expects a function value, ' + 'got ' + handler, this.vm);
|
|
return;
|
|
}
|
|
|
|
// apply modifiers
|
|
if (this.modifiers.stop) {
|
|
handler = stopFilter(handler);
|
|
}
|
|
if (this.modifiers.prevent) {
|
|
handler = preventFilter(handler);
|
|
}
|
|
if (this.modifiers.self) {
|
|
handler = selfFilter(handler);
|
|
}
|
|
// key filter
|
|
var keys = Object.keys(this.modifiers).filter(function (key) {
|
|
return key !== 'stop' && key !== 'prevent' && key !== 'self' && key !== 'capture';
|
|
});
|
|
if (keys.length) {
|
|
handler = keyFilter(handler, keys);
|
|
}
|
|
|
|
this.reset();
|
|
this.handler = handler;
|
|
|
|
if (this.iframeBind) {
|
|
this.iframeBind();
|
|
} else {
|
|
on(this.el, this.arg, this.handler, this.modifiers.capture);
|
|
}
|
|
},
|
|
|
|
reset: function reset() {
|
|
var el = this.iframeBind ? this.el.contentWindow : this.el;
|
|
if (this.handler) {
|
|
off(el, this.arg, this.handler);
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
this.reset();
|
|
}
|
|
};
|
|
|
|
var prefixes = ['-webkit-', '-moz-', '-ms-'];
|
|
var camelPrefixes = ['Webkit', 'Moz', 'ms'];
|
|
var importantRE = /!important;?$/;
|
|
var propCache = Object.create(null);
|
|
|
|
var testEl = null;
|
|
|
|
var style = {
|
|
|
|
deep: true,
|
|
|
|
update: function update(value) {
|
|
if (typeof value === 'string') {
|
|
this.el.style.cssText = value;
|
|
} else if (isArray(value)) {
|
|
this.handleObject(value.reduce(extend, {}));
|
|
} else {
|
|
this.handleObject(value || {});
|
|
}
|
|
},
|
|
|
|
handleObject: function handleObject(value) {
|
|
// cache object styles so that only changed props
|
|
// are actually updated.
|
|
var cache = this.cache || (this.cache = {});
|
|
var name, val;
|
|
for (name in cache) {
|
|
if (!(name in value)) {
|
|
this.handleSingle(name, null);
|
|
delete cache[name];
|
|
}
|
|
}
|
|
for (name in value) {
|
|
val = value[name];
|
|
if (val !== cache[name]) {
|
|
cache[name] = val;
|
|
this.handleSingle(name, val);
|
|
}
|
|
}
|
|
},
|
|
|
|
handleSingle: function handleSingle(prop, value) {
|
|
prop = normalize(prop);
|
|
if (!prop) return; // unsupported prop
|
|
// cast possible numbers/booleans into strings
|
|
if (value != null) value += '';
|
|
if (value) {
|
|
var isImportant = importantRE.test(value) ? 'important' : '';
|
|
if (isImportant) {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('It\'s probably a bad idea to use !important with inline rules. ' + 'This feature will be deprecated in a future version of Vue.');
|
|
}
|
|
value = value.replace(importantRE, '').trim();
|
|
this.el.style.setProperty(prop.kebab, value, isImportant);
|
|
} else {
|
|
this.el.style[prop.camel] = value;
|
|
}
|
|
} else {
|
|
this.el.style[prop.camel] = '';
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
/**
|
|
* Normalize a CSS property name.
|
|
* - cache result
|
|
* - auto prefix
|
|
* - camelCase -> dash-case
|
|
*
|
|
* @param {String} prop
|
|
* @return {String}
|
|
*/
|
|
|
|
function normalize(prop) {
|
|
if (propCache[prop]) {
|
|
return propCache[prop];
|
|
}
|
|
var res = prefix(prop);
|
|
propCache[prop] = propCache[res] = res;
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Auto detect the appropriate prefix for a CSS property.
|
|
* https://gist.github.com/paulirish/523692
|
|
*
|
|
* @param {String} prop
|
|
* @return {String}
|
|
*/
|
|
|
|
function prefix(prop) {
|
|
prop = hyphenate(prop);
|
|
var camel = camelize(prop);
|
|
var upper = camel.charAt(0).toUpperCase() + camel.slice(1);
|
|
if (!testEl) {
|
|
testEl = document.createElement('div');
|
|
}
|
|
var i = prefixes.length;
|
|
var prefixed;
|
|
if (camel !== 'filter' && camel in testEl.style) {
|
|
return {
|
|
kebab: prop,
|
|
camel: camel
|
|
};
|
|
}
|
|
while (i--) {
|
|
prefixed = camelPrefixes[i] + upper;
|
|
if (prefixed in testEl.style) {
|
|
return {
|
|
kebab: prefixes[i] + prop,
|
|
camel: prefixed
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
// xlink
|
|
var xlinkNS = 'http://www.w3.org/1999/xlink';
|
|
var xlinkRE = /^xlink:/;
|
|
|
|
// check for attributes that prohibit interpolations
|
|
var disallowedInterpAttrRE = /^v-|^:|^@|^(?:is|transition|transition-mode|debounce|track-by|stagger|enter-stagger|leave-stagger)$/;
|
|
// these attributes should also set their corresponding properties
|
|
// because they only affect the initial state of the element
|
|
var attrWithPropsRE = /^(?:value|checked|selected|muted)$/;
|
|
// these attributes expect enumrated values of "true" or "false"
|
|
// but are not boolean attributes
|
|
var enumeratedAttrRE = /^(?:draggable|contenteditable|spellcheck)$/;
|
|
|
|
// these attributes should set a hidden property for
|
|
// binding v-model to object values
|
|
var modelProps = {
|
|
value: '_value',
|
|
'true-value': '_trueValue',
|
|
'false-value': '_falseValue'
|
|
};
|
|
|
|
var bind$1 = {
|
|
|
|
priority: BIND,
|
|
|
|
bind: function bind() {
|
|
var attr = this.arg;
|
|
var tag = this.el.tagName;
|
|
// should be deep watch on object mode
|
|
if (!attr) {
|
|
this.deep = true;
|
|
}
|
|
// handle interpolation bindings
|
|
var descriptor = this.descriptor;
|
|
var tokens = descriptor.interp;
|
|
if (tokens) {
|
|
// handle interpolations with one-time tokens
|
|
if (descriptor.hasOneTime) {
|
|
this.expression = tokensToExp(tokens, this._scope || this.vm);
|
|
}
|
|
|
|
// only allow binding on native attributes
|
|
if (disallowedInterpAttrRE.test(attr) || attr === 'name' && (tag === 'PARTIAL' || tag === 'SLOT')) {
|
|
process.env.NODE_ENV !== 'production' && warn(attr + '="' + descriptor.raw + '": ' + 'attribute interpolation is not allowed in Vue.js ' + 'directives and special attributes.', this.vm);
|
|
this.el.removeAttribute(attr);
|
|
this.invalid = true;
|
|
}
|
|
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
var raw = attr + '="' + descriptor.raw + '": ';
|
|
// warn src
|
|
if (attr === 'src') {
|
|
warn(raw + 'interpolation in "src" attribute will cause ' + 'a 404 request. Use v-bind:src instead.', this.vm);
|
|
}
|
|
|
|
// warn style
|
|
if (attr === 'style') {
|
|
warn(raw + 'interpolation in "style" attribute will cause ' + 'the attribute to be discarded in Internet Explorer. ' + 'Use v-bind:style instead.', this.vm);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(value) {
|
|
if (this.invalid) {
|
|
return;
|
|
}
|
|
var attr = this.arg;
|
|
if (this.arg) {
|
|
this.handleSingle(attr, value);
|
|
} else {
|
|
this.handleObject(value || {});
|
|
}
|
|
},
|
|
|
|
// share object handler with v-bind:class
|
|
handleObject: style.handleObject,
|
|
|
|
handleSingle: function handleSingle(attr, value) {
|
|
var el = this.el;
|
|
var interp = this.descriptor.interp;
|
|
if (this.modifiers.camel) {
|
|
attr = camelize(attr);
|
|
}
|
|
if (!interp && attrWithPropsRE.test(attr) && attr in el) {
|
|
var attrValue = attr === 'value' ? value == null // IE9 will set input.value to "null" for null...
|
|
? '' : value : value;
|
|
|
|
if (el[attr] !== attrValue) {
|
|
el[attr] = attrValue;
|
|
}
|
|
}
|
|
// set model props
|
|
var modelProp = modelProps[attr];
|
|
if (!interp && modelProp) {
|
|
el[modelProp] = value;
|
|
// update v-model if present
|
|
var model = el.__v_model;
|
|
if (model) {
|
|
model.listener();
|
|
}
|
|
}
|
|
// do not set value attribute for textarea
|
|
if (attr === 'value' && el.tagName === 'TEXTAREA') {
|
|
el.removeAttribute(attr);
|
|
return;
|
|
}
|
|
// update attribute
|
|
if (enumeratedAttrRE.test(attr)) {
|
|
el.setAttribute(attr, value ? 'true' : 'false');
|
|
} else if (value != null && value !== false) {
|
|
if (attr === 'class') {
|
|
// handle edge case #1960:
|
|
// class interpolation should not overwrite Vue transition class
|
|
if (el.__v_trans) {
|
|
value += ' ' + el.__v_trans.id + '-transition';
|
|
}
|
|
setClass(el, value);
|
|
} else if (xlinkRE.test(attr)) {
|
|
el.setAttributeNS(xlinkNS, attr, value === true ? '' : value);
|
|
} else {
|
|
el.setAttribute(attr, value === true ? '' : value);
|
|
}
|
|
} else {
|
|
el.removeAttribute(attr);
|
|
}
|
|
}
|
|
};
|
|
|
|
var el = {
|
|
|
|
priority: EL,
|
|
|
|
bind: function bind() {
|
|
/* istanbul ignore if */
|
|
if (!this.arg) {
|
|
return;
|
|
}
|
|
var id = this.id = camelize(this.arg);
|
|
var refs = (this._scope || this.vm).$els;
|
|
if (hasOwn(refs, id)) {
|
|
refs[id] = this.el;
|
|
} else {
|
|
defineReactive(refs, id, this.el);
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
var refs = (this._scope || this.vm).$els;
|
|
if (refs[this.id] === this.el) {
|
|
refs[this.id] = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
var ref = {
|
|
bind: function bind() {
|
|
process.env.NODE_ENV !== 'production' && warn('v-ref:' + this.arg + ' must be used on a child ' + 'component. Found on <' + this.el.tagName.toLowerCase() + '>.', this.vm);
|
|
}
|
|
};
|
|
|
|
var cloak = {
|
|
bind: function bind() {
|
|
var el = this.el;
|
|
this.vm.$once('pre-hook:compiled', function () {
|
|
el.removeAttribute('v-cloak');
|
|
});
|
|
}
|
|
};
|
|
|
|
// must export plain object
|
|
var directives = {
|
|
text: text$1,
|
|
html: html,
|
|
'for': vFor,
|
|
'if': vIf,
|
|
show: show,
|
|
model: model,
|
|
on: on$1,
|
|
bind: bind$1,
|
|
el: el,
|
|
ref: ref,
|
|
cloak: cloak
|
|
};
|
|
|
|
var vClass = {
|
|
|
|
deep: true,
|
|
|
|
update: function update(value) {
|
|
if (!value) {
|
|
this.cleanup();
|
|
} else if (typeof value === 'string') {
|
|
this.setClass(value.trim().split(/\s+/));
|
|
} else {
|
|
this.setClass(normalize$1(value));
|
|
}
|
|
},
|
|
|
|
setClass: function setClass(value) {
|
|
this.cleanup(value);
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
var val = value[i];
|
|
if (val) {
|
|
apply(this.el, val, addClass);
|
|
}
|
|
}
|
|
this.prevKeys = value;
|
|
},
|
|
|
|
cleanup: function cleanup(value) {
|
|
var prevKeys = this.prevKeys;
|
|
if (!prevKeys) return;
|
|
var i = prevKeys.length;
|
|
while (i--) {
|
|
var key = prevKeys[i];
|
|
if (!value || value.indexOf(key) < 0) {
|
|
apply(this.el, key, removeClass);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Normalize objects and arrays (potentially containing objects)
|
|
* into array of strings.
|
|
*
|
|
* @param {Object|Array<String|Object>} value
|
|
* @return {Array<String>}
|
|
*/
|
|
|
|
function normalize$1(value) {
|
|
var res = [];
|
|
if (isArray(value)) {
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
var _key = value[i];
|
|
if (_key) {
|
|
if (typeof _key === 'string') {
|
|
res.push(_key);
|
|
} else {
|
|
for (var k in _key) {
|
|
if (_key[k]) res.push(k);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (isObject(value)) {
|
|
for (var key in value) {
|
|
if (value[key]) res.push(key);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Add or remove a class/classes on an element
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} key The class name. This may or may not
|
|
* contain a space character, in such a
|
|
* case we'll deal with multiple class
|
|
* names at once.
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
function apply(el, key, fn) {
|
|
key = key.trim();
|
|
if (key.indexOf(' ') === -1) {
|
|
fn(el, key);
|
|
return;
|
|
}
|
|
// The key contains one or more space characters.
|
|
// Since a class name doesn't accept such characters, we
|
|
// treat it as multiple classes.
|
|
var keys = key.split(/\s+/);
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
fn(el, keys[i]);
|
|
}
|
|
}
|
|
|
|
var component = {
|
|
|
|
priority: COMPONENT,
|
|
|
|
params: ['keep-alive', 'transition-mode', 'inline-template'],
|
|
|
|
/**
|
|
* Setup. Two possible usages:
|
|
*
|
|
* - static:
|
|
* <comp> or <div v-component="comp">
|
|
*
|
|
* - dynamic:
|
|
* <component :is="view">
|
|
*/
|
|
|
|
bind: function bind() {
|
|
if (!this.el.__vue__) {
|
|
// keep-alive cache
|
|
this.keepAlive = this.params.keepAlive;
|
|
if (this.keepAlive) {
|
|
this.cache = {};
|
|
}
|
|
// check inline-template
|
|
if (this.params.inlineTemplate) {
|
|
// extract inline template as a DocumentFragment
|
|
this.inlineTemplate = extractContent(this.el, true);
|
|
}
|
|
// component resolution related state
|
|
this.pendingComponentCb = this.Component = null;
|
|
// transition related state
|
|
this.pendingRemovals = 0;
|
|
this.pendingRemovalCb = null;
|
|
// create a ref anchor
|
|
this.anchor = createAnchor('v-component');
|
|
replace(this.el, this.anchor);
|
|
// remove is attribute.
|
|
// this is removed during compilation, but because compilation is
|
|
// cached, when the component is used elsewhere this attribute
|
|
// will remain at link time.
|
|
this.el.removeAttribute('is');
|
|
this.el.removeAttribute(':is');
|
|
// remove ref, same as above
|
|
if (this.descriptor.ref) {
|
|
this.el.removeAttribute('v-ref:' + hyphenate(this.descriptor.ref));
|
|
}
|
|
// if static, build right now.
|
|
if (this.literal) {
|
|
this.setComponent(this.expression);
|
|
}
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('cannot mount component "' + this.expression + '" ' + 'on already mounted element: ' + this.el);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Public update, called by the watcher in the dynamic
|
|
* literal scenario, e.g. <component :is="view">
|
|
*/
|
|
|
|
update: function update(value) {
|
|
if (!this.literal) {
|
|
this.setComponent(value);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Switch dynamic components. May resolve the component
|
|
* asynchronously, and perform transition based on
|
|
* specified transition mode. Accepts a few additional
|
|
* arguments specifically for vue-router.
|
|
*
|
|
* The callback is called when the full transition is
|
|
* finished.
|
|
*
|
|
* @param {String} value
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
setComponent: function setComponent(value, cb) {
|
|
this.invalidatePending();
|
|
if (!value) {
|
|
// just remove current
|
|
this.unbuild(true);
|
|
this.remove(this.childVM, cb);
|
|
this.childVM = null;
|
|
} else {
|
|
var self = this;
|
|
this.resolveComponent(value, function () {
|
|
self.mountComponent(cb);
|
|
});
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Resolve the component constructor to use when creating
|
|
* the child vm.
|
|
*
|
|
* @param {String|Function} value
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
resolveComponent: function resolveComponent(value, cb) {
|
|
var self = this;
|
|
this.pendingComponentCb = cancellable(function (Component) {
|
|
self.ComponentName = Component.options.name || (typeof value === 'string' ? value : null);
|
|
self.Component = Component;
|
|
cb();
|
|
});
|
|
this.vm._resolveComponent(value, this.pendingComponentCb);
|
|
},
|
|
|
|
/**
|
|
* Create a new instance using the current constructor and
|
|
* replace the existing instance. This method doesn't care
|
|
* whether the new component and the old one are actually
|
|
* the same.
|
|
*
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
mountComponent: function mountComponent(cb) {
|
|
// actual mount
|
|
this.unbuild(true);
|
|
var self = this;
|
|
var activateHooks = this.Component.options.activate;
|
|
var cached = this.getCached();
|
|
var newComponent = this.build();
|
|
if (activateHooks && !cached) {
|
|
this.waitingFor = newComponent;
|
|
callActivateHooks(activateHooks, newComponent, function () {
|
|
if (self.waitingFor !== newComponent) {
|
|
return;
|
|
}
|
|
self.waitingFor = null;
|
|
self.transition(newComponent, cb);
|
|
});
|
|
} else {
|
|
// update ref for kept-alive component
|
|
if (cached) {
|
|
newComponent._updateRef();
|
|
}
|
|
this.transition(newComponent, cb);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* When the component changes or unbinds before an async
|
|
* constructor is resolved, we need to invalidate its
|
|
* pending callback.
|
|
*/
|
|
|
|
invalidatePending: function invalidatePending() {
|
|
if (this.pendingComponentCb) {
|
|
this.pendingComponentCb.cancel();
|
|
this.pendingComponentCb = null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Instantiate/insert a new child vm.
|
|
* If keep alive and has cached instance, insert that
|
|
* instance; otherwise build a new one and cache it.
|
|
*
|
|
* @param {Object} [extraOptions]
|
|
* @return {Vue} - the created instance
|
|
*/
|
|
|
|
build: function build(extraOptions) {
|
|
var cached = this.getCached();
|
|
if (cached) {
|
|
return cached;
|
|
}
|
|
if (this.Component) {
|
|
// default options
|
|
var options = {
|
|
name: this.ComponentName,
|
|
el: cloneNode(this.el),
|
|
template: this.inlineTemplate,
|
|
// make sure to add the child with correct parent
|
|
// if this is a transcluded component, its parent
|
|
// should be the transclusion host.
|
|
parent: this._host || this.vm,
|
|
// if no inline-template, then the compiled
|
|
// linker can be cached for better performance.
|
|
_linkerCachable: !this.inlineTemplate,
|
|
_ref: this.descriptor.ref,
|
|
_asComponent: true,
|
|
_isRouterView: this._isRouterView,
|
|
// if this is a transcluded component, context
|
|
// will be the common parent vm of this instance
|
|
// and its host.
|
|
_context: this.vm,
|
|
// if this is inside an inline v-for, the scope
|
|
// will be the intermediate scope created for this
|
|
// repeat fragment. this is used for linking props
|
|
// and container directives.
|
|
_scope: this._scope,
|
|
// pass in the owner fragment of this component.
|
|
// this is necessary so that the fragment can keep
|
|
// track of its contained components in order to
|
|
// call attach/detach hooks for them.
|
|
_frag: this._frag
|
|
};
|
|
// extra options
|
|
// in 1.0.0 this is used by vue-router only
|
|
/* istanbul ignore if */
|
|
if (extraOptions) {
|
|
extend(options, extraOptions);
|
|
}
|
|
var child = new this.Component(options);
|
|
if (this.keepAlive) {
|
|
this.cache[this.Component.cid] = child;
|
|
}
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production' && this.el.hasAttribute('transition') && child._isFragment) {
|
|
warn('Transitions will not work on a fragment instance. ' + 'Template: ' + child.$options.template, child);
|
|
}
|
|
return child;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Try to get a cached instance of the current component.
|
|
*
|
|
* @return {Vue|undefined}
|
|
*/
|
|
|
|
getCached: function getCached() {
|
|
return this.keepAlive && this.cache[this.Component.cid];
|
|
},
|
|
|
|
/**
|
|
* Teardown the current child, but defers cleanup so
|
|
* that we can separate the destroy and removal steps.
|
|
*
|
|
* @param {Boolean} defer
|
|
*/
|
|
|
|
unbuild: function unbuild(defer) {
|
|
if (this.waitingFor) {
|
|
if (!this.keepAlive) {
|
|
this.waitingFor.$destroy();
|
|
}
|
|
this.waitingFor = null;
|
|
}
|
|
var child = this.childVM;
|
|
if (!child || this.keepAlive) {
|
|
if (child) {
|
|
// remove ref
|
|
child._inactive = true;
|
|
child._updateRef(true);
|
|
}
|
|
return;
|
|
}
|
|
// the sole purpose of `deferCleanup` is so that we can
|
|
// "deactivate" the vm right now and perform DOM removal
|
|
// later.
|
|
child.$destroy(false, defer);
|
|
},
|
|
|
|
/**
|
|
* Remove current destroyed child and manually do
|
|
* the cleanup after removal.
|
|
*
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
remove: function remove(child, cb) {
|
|
var keepAlive = this.keepAlive;
|
|
if (child) {
|
|
// we may have a component switch when a previous
|
|
// component is still being transitioned out.
|
|
// we want to trigger only one lastest insertion cb
|
|
// when the existing transition finishes. (#1119)
|
|
this.pendingRemovals++;
|
|
this.pendingRemovalCb = cb;
|
|
var self = this;
|
|
child.$remove(function () {
|
|
self.pendingRemovals--;
|
|
if (!keepAlive) child._cleanup();
|
|
if (!self.pendingRemovals && self.pendingRemovalCb) {
|
|
self.pendingRemovalCb();
|
|
self.pendingRemovalCb = null;
|
|
}
|
|
});
|
|
} else if (cb) {
|
|
cb();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Actually swap the components, depending on the
|
|
* transition mode. Defaults to simultaneous.
|
|
*
|
|
* @param {Vue} target
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
transition: function transition(target, cb) {
|
|
var self = this;
|
|
var current = this.childVM;
|
|
// for devtool inspection
|
|
if (current) current._inactive = true;
|
|
target._inactive = false;
|
|
this.childVM = target;
|
|
switch (self.params.transitionMode) {
|
|
case 'in-out':
|
|
target.$before(self.anchor, function () {
|
|
self.remove(current, cb);
|
|
});
|
|
break;
|
|
case 'out-in':
|
|
self.remove(current, function () {
|
|
target.$before(self.anchor, cb);
|
|
});
|
|
break;
|
|
default:
|
|
self.remove(current);
|
|
target.$before(self.anchor, cb);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Unbind.
|
|
*/
|
|
|
|
unbind: function unbind() {
|
|
this.invalidatePending();
|
|
// Do not defer cleanup when unbinding
|
|
this.unbuild();
|
|
// destroy all keep-alive cached instances
|
|
if (this.cache) {
|
|
for (var key in this.cache) {
|
|
this.cache[key].$destroy();
|
|
}
|
|
this.cache = null;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Call activate hooks in order (asynchronous)
|
|
*
|
|
* @param {Array} hooks
|
|
* @param {Vue} vm
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
function callActivateHooks(hooks, vm, cb) {
|
|
var total = hooks.length;
|
|
var called = 0;
|
|
hooks[0].call(vm, next);
|
|
function next() {
|
|
if (++called >= total) {
|
|
cb();
|
|
} else {
|
|
hooks[called].call(vm, next);
|
|
}
|
|
}
|
|
}
|
|
|
|
var propBindingModes = config._propBindingModes;
|
|
var empty = {};
|
|
|
|
// regexes
|
|
var identRE$1 = /^[$_a-zA-Z]+[\w$]*$/;
|
|
var settablePathRE = /^[A-Za-z_$][\w$]*(\.[A-Za-z_$][\w$]*|\[[^\[\]]+\])*$/;
|
|
|
|
/**
|
|
* Compile props on a root element and return
|
|
* a props link function.
|
|
*
|
|
* @param {Element|DocumentFragment} el
|
|
* @param {Array} propOptions
|
|
* @param {Vue} vm
|
|
* @return {Function} propsLinkFn
|
|
*/
|
|
|
|
function compileProps(el, propOptions, vm) {
|
|
var props = [];
|
|
var names = Object.keys(propOptions);
|
|
var i = names.length;
|
|
var options, name, attr, value, path, parsed, prop;
|
|
while (i--) {
|
|
name = names[i];
|
|
options = propOptions[name] || empty;
|
|
|
|
if (process.env.NODE_ENV !== 'production' && name === '$data') {
|
|
warn('Do not use $data as prop.', vm);
|
|
continue;
|
|
}
|
|
|
|
// props could contain dashes, which will be
|
|
// interpreted as minus calculations by the parser
|
|
// so we need to camelize the path here
|
|
path = camelize(name);
|
|
if (!identRE$1.test(path)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid prop key: "' + name + '". Prop keys ' + 'must be valid identifiers.', vm);
|
|
continue;
|
|
}
|
|
|
|
prop = {
|
|
name: name,
|
|
path: path,
|
|
options: options,
|
|
mode: propBindingModes.ONE_WAY,
|
|
raw: null
|
|
};
|
|
|
|
attr = hyphenate(name);
|
|
// first check dynamic version
|
|
if ((value = getBindAttr(el, attr)) === null) {
|
|
if ((value = getBindAttr(el, attr + '.sync')) !== null) {
|
|
prop.mode = propBindingModes.TWO_WAY;
|
|
} else if ((value = getBindAttr(el, attr + '.once')) !== null) {
|
|
prop.mode = propBindingModes.ONE_TIME;
|
|
}
|
|
}
|
|
if (value !== null) {
|
|
// has dynamic binding!
|
|
prop.raw = value;
|
|
parsed = parseDirective(value);
|
|
value = parsed.expression;
|
|
prop.filters = parsed.filters;
|
|
// check binding type
|
|
if (isLiteral(value) && !parsed.filters) {
|
|
// for expressions containing literal numbers and
|
|
// booleans, there's no need to setup a prop binding,
|
|
// so we can optimize them as a one-time set.
|
|
prop.optimizedLiteral = true;
|
|
} else {
|
|
prop.dynamic = true;
|
|
// check non-settable path for two-way bindings
|
|
if (process.env.NODE_ENV !== 'production' && prop.mode === propBindingModes.TWO_WAY && !settablePathRE.test(value)) {
|
|
prop.mode = propBindingModes.ONE_WAY;
|
|
warn('Cannot bind two-way prop with non-settable ' + 'parent path: ' + value, vm);
|
|
}
|
|
}
|
|
prop.parentPath = value;
|
|
|
|
// warn required two-way
|
|
if (process.env.NODE_ENV !== 'production' && options.twoWay && prop.mode !== propBindingModes.TWO_WAY) {
|
|
warn('Prop "' + name + '" expects a two-way binding type.', vm);
|
|
}
|
|
} else if ((value = getAttr(el, attr)) !== null) {
|
|
// has literal binding!
|
|
prop.raw = value;
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
// check possible camelCase prop usage
|
|
var lowerCaseName = path.toLowerCase();
|
|
value = /[A-Z\-]/.test(name) && (el.getAttribute(lowerCaseName) || el.getAttribute(':' + lowerCaseName) || el.getAttribute('v-bind:' + lowerCaseName) || el.getAttribute(':' + lowerCaseName + '.once') || el.getAttribute('v-bind:' + lowerCaseName + '.once') || el.getAttribute(':' + lowerCaseName + '.sync') || el.getAttribute('v-bind:' + lowerCaseName + '.sync'));
|
|
if (value) {
|
|
warn('Possible usage error for prop `' + lowerCaseName + '` - ' + 'did you mean `' + attr + '`? HTML is case-insensitive, remember to use ' + 'kebab-case for props in templates.', vm);
|
|
} else if (options.required) {
|
|
// warn missing required
|
|
warn('Missing required prop: ' + name, vm);
|
|
}
|
|
}
|
|
// push prop
|
|
props.push(prop);
|
|
}
|
|
return makePropsLinkFn(props);
|
|
}
|
|
|
|
/**
|
|
* Build a function that applies props to a vm.
|
|
*
|
|
* @param {Array} props
|
|
* @return {Function} propsLinkFn
|
|
*/
|
|
|
|
function makePropsLinkFn(props) {
|
|
return function propsLinkFn(vm, scope) {
|
|
// store resolved props info
|
|
vm._props = {};
|
|
var inlineProps = vm.$options.propsData;
|
|
var i = props.length;
|
|
var prop, path, options, value, raw;
|
|
while (i--) {
|
|
prop = props[i];
|
|
raw = prop.raw;
|
|
path = prop.path;
|
|
options = prop.options;
|
|
vm._props[path] = prop;
|
|
if (inlineProps && hasOwn(inlineProps, path)) {
|
|
initProp(vm, prop, inlineProps[path]);
|
|
}if (raw === null) {
|
|
// initialize absent prop
|
|
initProp(vm, prop, undefined);
|
|
} else if (prop.dynamic) {
|
|
// dynamic prop
|
|
if (prop.mode === propBindingModes.ONE_TIME) {
|
|
// one time binding
|
|
value = (scope || vm._context || vm).$get(prop.parentPath);
|
|
initProp(vm, prop, value);
|
|
} else {
|
|
if (vm._context) {
|
|
// dynamic binding
|
|
vm._bindDir({
|
|
name: 'prop',
|
|
def: propDef,
|
|
prop: prop
|
|
}, null, null, scope); // el, host, scope
|
|
} else {
|
|
// root instance
|
|
initProp(vm, prop, vm.$get(prop.parentPath));
|
|
}
|
|
}
|
|
} else if (prop.optimizedLiteral) {
|
|
// optimized literal, cast it and just set once
|
|
var stripped = stripQuotes(raw);
|
|
value = stripped === raw ? toBoolean(toNumber(raw)) : stripped;
|
|
initProp(vm, prop, value);
|
|
} else {
|
|
// string literal, but we need to cater for
|
|
// Boolean props with no value, or with same
|
|
// literal value (e.g. disabled="disabled")
|
|
// see https://github.com/vuejs/vue-loader/issues/182
|
|
value = options.type === Boolean && (raw === '' || raw === hyphenate(prop.name)) ? true : raw;
|
|
initProp(vm, prop, value);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Process a prop with a rawValue, applying necessary coersions,
|
|
* default values & assertions and call the given callback with
|
|
* processed value.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Object} prop
|
|
* @param {*} rawValue
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
function processPropValue(vm, prop, rawValue, fn) {
|
|
var isSimple = prop.dynamic && isSimplePath(prop.parentPath);
|
|
var value = rawValue;
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop);
|
|
}
|
|
value = coerceProp(prop, value);
|
|
var coerced = value !== rawValue;
|
|
if (!assertProp(prop, value, vm)) {
|
|
value = undefined;
|
|
}
|
|
if (isSimple && !coerced) {
|
|
withoutConversion(function () {
|
|
fn(value);
|
|
});
|
|
} else {
|
|
fn(value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set a prop's initial value on a vm and its data object.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Object} prop
|
|
* @param {*} value
|
|
*/
|
|
|
|
function initProp(vm, prop, value) {
|
|
processPropValue(vm, prop, value, function (value) {
|
|
defineReactive(vm, prop.path, value);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Update a prop's value on a vm.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Object} prop
|
|
* @param {*} value
|
|
*/
|
|
|
|
function updateProp(vm, prop, value) {
|
|
processPropValue(vm, prop, value, function (value) {
|
|
vm[prop.path] = value;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Object} prop
|
|
* @return {*}
|
|
*/
|
|
|
|
function getPropDefaultValue(vm, prop) {
|
|
// no default, return undefined
|
|
var options = prop.options;
|
|
if (!hasOwn(options, 'default')) {
|
|
// absent boolean value defaults to false
|
|
return options.type === Boolean ? false : undefined;
|
|
}
|
|
var def = options['default'];
|
|
// warn against non-factory defaults for Object & Array
|
|
if (isObject(def)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid default value for prop "' + 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' && options.type !== Function ? def.call(vm) : def;
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*
|
|
* @param {Object} prop
|
|
* @param {*} value
|
|
* @param {Vue} vm
|
|
*/
|
|
|
|
function assertProp(prop, value, vm) {
|
|
if (!prop.options.required && ( // non-required
|
|
prop.raw === null || // abscent
|
|
value == null) // null or undefined
|
|
) {
|
|
return true;
|
|
}
|
|
var options = prop.options;
|
|
var type = options.type;
|
|
var valid = !type;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!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) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Invalid prop: type check failed for prop "' + prop.name + '".' + ' Expected ' + expectedTypes.map(formatType).join(', ') + ', got ' + formatValue(value) + '.', vm);
|
|
}
|
|
return false;
|
|
}
|
|
var validator = options.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid prop: custom validator check failed for prop "' + prop.name + '".', vm);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Force parsing value with coerce option.
|
|
*
|
|
* @param {*} value
|
|
* @param {Object} options
|
|
* @return {*}
|
|
*/
|
|
|
|
function coerceProp(prop, value) {
|
|
var coerce = prop.options.coerce;
|
|
if (!coerce) {
|
|
return value;
|
|
}
|
|
// coerce is a function
|
|
return coerce(value);
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*
|
|
* @param {*} value
|
|
* @param {Function} type
|
|
* @return {Object}
|
|
*/
|
|
|
|
function assertType(value, type) {
|
|
var valid;
|
|
var expectedType;
|
|
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 = isArray(value);
|
|
} else {
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Format type for output
|
|
*
|
|
* @param {String} type
|
|
* @return {String}
|
|
*/
|
|
|
|
function formatType(type) {
|
|
return type ? type.charAt(0).toUpperCase() + type.slice(1) : 'custom type';
|
|
}
|
|
|
|
/**
|
|
* Format value
|
|
*
|
|
* @param {*} value
|
|
* @return {String}
|
|
*/
|
|
|
|
function formatValue(val) {
|
|
return Object.prototype.toString.call(val).slice(8, -1);
|
|
}
|
|
|
|
var bindingModes = config._propBindingModes;
|
|
|
|
var propDef = {
|
|
|
|
bind: function bind() {
|
|
var child = this.vm;
|
|
var parent = child._context;
|
|
// passed in from compiler directly
|
|
var prop = this.descriptor.prop;
|
|
var childKey = prop.path;
|
|
var parentKey = prop.parentPath;
|
|
var twoWay = prop.mode === bindingModes.TWO_WAY;
|
|
|
|
var parentWatcher = this.parentWatcher = new Watcher(parent, parentKey, function (val) {
|
|
updateProp(child, prop, val);
|
|
}, {
|
|
twoWay: twoWay,
|
|
filters: prop.filters,
|
|
// important: props need to be observed on the
|
|
// v-for scope if present
|
|
scope: this._scope
|
|
});
|
|
|
|
// set the child initial value.
|
|
initProp(child, prop, parentWatcher.value);
|
|
|
|
// setup two-way binding
|
|
if (twoWay) {
|
|
// important: defer the child watcher creation until
|
|
// the created hook (after data observation)
|
|
var self = this;
|
|
child.$once('pre-hook:created', function () {
|
|
self.childWatcher = new Watcher(child, childKey, function (val) {
|
|
parentWatcher.set(val);
|
|
}, {
|
|
// ensure sync upward before parent sync down.
|
|
// this is necessary in cases e.g. the child
|
|
// mutates a prop array, then replaces it. (#1683)
|
|
sync: true
|
|
});
|
|
});
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
this.parentWatcher.teardown();
|
|
if (this.childWatcher) {
|
|
this.childWatcher.teardown();
|
|
}
|
|
}
|
|
};
|
|
|
|
var queue$1 = [];
|
|
var queued = false;
|
|
|
|
/**
|
|
* Push a job into the queue.
|
|
*
|
|
* @param {Function} job
|
|
*/
|
|
|
|
function pushJob(job) {
|
|
queue$1.push(job);
|
|
if (!queued) {
|
|
queued = true;
|
|
nextTick(flush);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Flush the queue, and do one forced reflow before
|
|
* triggering transitions.
|
|
*/
|
|
|
|
function flush() {
|
|
// Force layout
|
|
var f = document.documentElement.offsetHeight;
|
|
for (var i = 0; i < queue$1.length; i++) {
|
|
queue$1[i]();
|
|
}
|
|
queue$1 = [];
|
|
queued = false;
|
|
// dummy return, so js linters don't complain about
|
|
// unused variable f
|
|
return f;
|
|
}
|
|
|
|
var TYPE_TRANSITION = 'transition';
|
|
var TYPE_ANIMATION = 'animation';
|
|
var transDurationProp = transitionProp + 'Duration';
|
|
var animDurationProp = animationProp + 'Duration';
|
|
|
|
/**
|
|
* If a just-entered element is applied the
|
|
* leave class while its enter transition hasn't started yet,
|
|
* and the transitioned property has the same value for both
|
|
* enter/leave, then the leave transition will be skipped and
|
|
* the transitionend event never fires. This function ensures
|
|
* its callback to be called after a transition has started
|
|
* by waiting for double raf.
|
|
*
|
|
* It falls back to setTimeout on devices that support CSS
|
|
* transitions but not raf (e.g. Android 4.2 browser) - since
|
|
* these environments are usually slow, we are giving it a
|
|
* relatively large timeout.
|
|
*/
|
|
|
|
var raf = inBrowser && window.requestAnimationFrame;
|
|
var waitForTransitionStart = raf
|
|
/* istanbul ignore next */
|
|
? function (fn) {
|
|
raf(function () {
|
|
raf(fn);
|
|
});
|
|
} : function (fn) {
|
|
setTimeout(fn, 50);
|
|
};
|
|
|
|
/**
|
|
* A Transition object that encapsulates the state and logic
|
|
* of the transition.
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} id
|
|
* @param {Object} hooks
|
|
* @param {Vue} vm
|
|
*/
|
|
function Transition(el, id, hooks, vm) {
|
|
this.id = id;
|
|
this.el = el;
|
|
this.enterClass = hooks && hooks.enterClass || id + '-enter';
|
|
this.leaveClass = hooks && hooks.leaveClass || id + '-leave';
|
|
this.hooks = hooks;
|
|
this.vm = vm;
|
|
// async state
|
|
this.pendingCssEvent = this.pendingCssCb = this.cancel = this.pendingJsCb = this.op = this.cb = null;
|
|
this.justEntered = false;
|
|
this.entered = this.left = false;
|
|
this.typeCache = {};
|
|
// check css transition type
|
|
this.type = hooks && hooks.type;
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (this.type && this.type !== TYPE_TRANSITION && this.type !== TYPE_ANIMATION) {
|
|
warn('invalid CSS transition type for transition="' + this.id + '": ' + this.type, vm);
|
|
}
|
|
}
|
|
// bind
|
|
var self = this;['enterNextTick', 'enterDone', 'leaveNextTick', 'leaveDone'].forEach(function (m) {
|
|
self[m] = bind(self[m], self);
|
|
});
|
|
}
|
|
|
|
var p$1 = Transition.prototype;
|
|
|
|
/**
|
|
* Start an entering transition.
|
|
*
|
|
* 1. enter transition triggered
|
|
* 2. call beforeEnter hook
|
|
* 3. add enter class
|
|
* 4. insert/show element
|
|
* 5. call enter hook (with possible explicit js callback)
|
|
* 6. reflow
|
|
* 7. based on transition type:
|
|
* - transition:
|
|
* remove class now, wait for transitionend,
|
|
* then done if there's no explicit js callback.
|
|
* - animation:
|
|
* wait for animationend, remove class,
|
|
* then done if there's no explicit js callback.
|
|
* - no css transition:
|
|
* done now if there's no explicit js callback.
|
|
* 8. wait for either done or js callback, then call
|
|
* afterEnter hook.
|
|
*
|
|
* @param {Function} op - insert/show the element
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
p$1.enter = function (op, cb) {
|
|
this.cancelPending();
|
|
this.callHook('beforeEnter');
|
|
this.cb = cb;
|
|
addClass(this.el, this.enterClass);
|
|
op();
|
|
this.entered = false;
|
|
this.callHookWithCb('enter');
|
|
if (this.entered) {
|
|
return; // user called done synchronously.
|
|
}
|
|
this.cancel = this.hooks && this.hooks.enterCancelled;
|
|
pushJob(this.enterNextTick);
|
|
};
|
|
|
|
/**
|
|
* The "nextTick" phase of an entering transition, which is
|
|
* to be pushed into a queue and executed after a reflow so
|
|
* that removing the class can trigger a CSS transition.
|
|
*/
|
|
|
|
p$1.enterNextTick = function () {
|
|
var _this = this;
|
|
|
|
// prevent transition skipping
|
|
this.justEntered = true;
|
|
waitForTransitionStart(function () {
|
|
_this.justEntered = false;
|
|
});
|
|
var enterDone = this.enterDone;
|
|
var type = this.getCssTransitionType(this.enterClass);
|
|
if (!this.pendingJsCb) {
|
|
if (type === TYPE_TRANSITION) {
|
|
// trigger transition by removing enter class now
|
|
removeClass(this.el, this.enterClass);
|
|
this.setupCssCb(transitionEndEvent, enterDone);
|
|
} else if (type === TYPE_ANIMATION) {
|
|
this.setupCssCb(animationEndEvent, enterDone);
|
|
} else {
|
|
enterDone();
|
|
}
|
|
} else if (type === TYPE_TRANSITION) {
|
|
removeClass(this.el, this.enterClass);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The "cleanup" phase of an entering transition.
|
|
*/
|
|
|
|
p$1.enterDone = function () {
|
|
this.entered = true;
|
|
this.cancel = this.pendingJsCb = null;
|
|
removeClass(this.el, this.enterClass);
|
|
this.callHook('afterEnter');
|
|
if (this.cb) this.cb();
|
|
};
|
|
|
|
/**
|
|
* Start a leaving transition.
|
|
*
|
|
* 1. leave transition triggered.
|
|
* 2. call beforeLeave hook
|
|
* 3. add leave class (trigger css transition)
|
|
* 4. call leave hook (with possible explicit js callback)
|
|
* 5. reflow if no explicit js callback is provided
|
|
* 6. based on transition type:
|
|
* - transition or animation:
|
|
* wait for end event, remove class, then done if
|
|
* there's no explicit js callback.
|
|
* - no css transition:
|
|
* done if there's no explicit js callback.
|
|
* 7. wait for either done or js callback, then call
|
|
* afterLeave hook.
|
|
*
|
|
* @param {Function} op - remove/hide the element
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
p$1.leave = function (op, cb) {
|
|
this.cancelPending();
|
|
this.callHook('beforeLeave');
|
|
this.op = op;
|
|
this.cb = cb;
|
|
addClass(this.el, this.leaveClass);
|
|
this.left = false;
|
|
this.callHookWithCb('leave');
|
|
if (this.left) {
|
|
return; // user called done synchronously.
|
|
}
|
|
this.cancel = this.hooks && this.hooks.leaveCancelled;
|
|
// only need to handle leaveDone if
|
|
// 1. the transition is already done (synchronously called
|
|
// by the user, which causes this.op set to null)
|
|
// 2. there's no explicit js callback
|
|
if (this.op && !this.pendingJsCb) {
|
|
// if a CSS transition leaves immediately after enter,
|
|
// the transitionend event never fires. therefore we
|
|
// detect such cases and end the leave immediately.
|
|
if (this.justEntered) {
|
|
this.leaveDone();
|
|
} else {
|
|
pushJob(this.leaveNextTick);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The "nextTick" phase of a leaving transition.
|
|
*/
|
|
|
|
p$1.leaveNextTick = function () {
|
|
var type = this.getCssTransitionType(this.leaveClass);
|
|
if (type) {
|
|
var event = type === TYPE_TRANSITION ? transitionEndEvent : animationEndEvent;
|
|
this.setupCssCb(event, this.leaveDone);
|
|
} else {
|
|
this.leaveDone();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* The "cleanup" phase of a leaving transition.
|
|
*/
|
|
|
|
p$1.leaveDone = function () {
|
|
this.left = true;
|
|
this.cancel = this.pendingJsCb = null;
|
|
this.op();
|
|
removeClass(this.el, this.leaveClass);
|
|
this.callHook('afterLeave');
|
|
if (this.cb) this.cb();
|
|
this.op = null;
|
|
};
|
|
|
|
/**
|
|
* Cancel any pending callbacks from a previously running
|
|
* but not finished transition.
|
|
*/
|
|
|
|
p$1.cancelPending = function () {
|
|
this.op = this.cb = null;
|
|
var hasPending = false;
|
|
if (this.pendingCssCb) {
|
|
hasPending = true;
|
|
off(this.el, this.pendingCssEvent, this.pendingCssCb);
|
|
this.pendingCssEvent = this.pendingCssCb = null;
|
|
}
|
|
if (this.pendingJsCb) {
|
|
hasPending = true;
|
|
this.pendingJsCb.cancel();
|
|
this.pendingJsCb = null;
|
|
}
|
|
if (hasPending) {
|
|
removeClass(this.el, this.enterClass);
|
|
removeClass(this.el, this.leaveClass);
|
|
}
|
|
if (this.cancel) {
|
|
this.cancel.call(this.vm, this.el);
|
|
this.cancel = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Call a user-provided synchronous hook function.
|
|
*
|
|
* @param {String} type
|
|
*/
|
|
|
|
p$1.callHook = function (type) {
|
|
if (this.hooks && this.hooks[type]) {
|
|
this.hooks[type].call(this.vm, this.el);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Call a user-provided, potentially-async hook function.
|
|
* We check for the length of arguments to see if the hook
|
|
* expects a `done` callback. If true, the transition's end
|
|
* will be determined by when the user calls that callback;
|
|
* otherwise, the end is determined by the CSS transition or
|
|
* animation.
|
|
*
|
|
* @param {String} type
|
|
*/
|
|
|
|
p$1.callHookWithCb = function (type) {
|
|
var hook = this.hooks && this.hooks[type];
|
|
if (hook) {
|
|
if (hook.length > 1) {
|
|
this.pendingJsCb = cancellable(this[type + 'Done']);
|
|
}
|
|
hook.call(this.vm, this.el, this.pendingJsCb);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get an element's transition type based on the
|
|
* calculated styles.
|
|
*
|
|
* @param {String} className
|
|
* @return {Number}
|
|
*/
|
|
|
|
p$1.getCssTransitionType = function (className) {
|
|
/* istanbul ignore if */
|
|
if (!transitionEndEvent ||
|
|
// skip CSS transitions if page is not visible -
|
|
// this solves the issue of transitionend events not
|
|
// firing until the page is visible again.
|
|
// pageVisibility API is supported in IE10+, same as
|
|
// CSS transitions.
|
|
document.hidden ||
|
|
// explicit js-only transition
|
|
this.hooks && this.hooks.css === false ||
|
|
// element is hidden
|
|
isHidden(this.el)) {
|
|
return;
|
|
}
|
|
var type = this.type || this.typeCache[className];
|
|
if (type) return type;
|
|
var inlineStyles = this.el.style;
|
|
var computedStyles = window.getComputedStyle(this.el);
|
|
var transDuration = inlineStyles[transDurationProp] || computedStyles[transDurationProp];
|
|
if (transDuration && transDuration !== '0s') {
|
|
type = TYPE_TRANSITION;
|
|
} else {
|
|
var animDuration = inlineStyles[animDurationProp] || computedStyles[animDurationProp];
|
|
if (animDuration && animDuration !== '0s') {
|
|
type = TYPE_ANIMATION;
|
|
}
|
|
}
|
|
if (type) {
|
|
this.typeCache[className] = type;
|
|
}
|
|
return type;
|
|
};
|
|
|
|
/**
|
|
* Setup a CSS transitionend/animationend callback.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
p$1.setupCssCb = function (event, cb) {
|
|
this.pendingCssEvent = event;
|
|
var self = this;
|
|
var el = this.el;
|
|
var onEnd = this.pendingCssCb = function (e) {
|
|
if (e.target === el) {
|
|
off(el, event, onEnd);
|
|
self.pendingCssEvent = self.pendingCssCb = null;
|
|
if (!self.pendingJsCb && cb) {
|
|
cb();
|
|
}
|
|
}
|
|
};
|
|
on(el, event, onEnd);
|
|
};
|
|
|
|
/**
|
|
* Check if an element is hidden - in that case we can just
|
|
* skip the transition alltogether.
|
|
*
|
|
* @param {Element} el
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function isHidden(el) {
|
|
if (/svg$/.test(el.namespaceURI)) {
|
|
// SVG elements do not have offset(Width|Height)
|
|
// so we need to check the client rect
|
|
var rect = el.getBoundingClientRect();
|
|
return !(rect.width || rect.height);
|
|
} else {
|
|
return !(el.offsetWidth || el.offsetHeight || el.getClientRects().length);
|
|
}
|
|
}
|
|
|
|
var transition$1 = {
|
|
|
|
priority: TRANSITION,
|
|
|
|
update: function update(id, oldId) {
|
|
var el = this.el;
|
|
// resolve on owner vm
|
|
var hooks = resolveAsset(this.vm.$options, 'transitions', id);
|
|
id = id || 'v';
|
|
el.__v_trans = new Transition(el, id, hooks, this.vm);
|
|
if (oldId) {
|
|
removeClass(el, oldId + '-transition');
|
|
}
|
|
addClass(el, id + '-transition');
|
|
}
|
|
};
|
|
|
|
var internalDirectives = {
|
|
style: style,
|
|
'class': vClass,
|
|
component: component,
|
|
prop: propDef,
|
|
transition: transition$1
|
|
};
|
|
|
|
// special binding prefixes
|
|
var bindRE = /^v-bind:|^:/;
|
|
var onRE = /^v-on:|^@/;
|
|
var dirAttrRE = /^v-([^:]+)(?:$|:(.*)$)/;
|
|
var modifierRE = /\.[^\.]+/g;
|
|
var transitionRE = /^(v-bind:|:)?transition$/;
|
|
|
|
// default directive priority
|
|
var DEFAULT_PRIORITY = 1000;
|
|
var DEFAULT_TERMINAL_PRIORITY = 2000;
|
|
|
|
/**
|
|
* Compile a template and return a reusable composite link
|
|
* function, which recursively contains more link functions
|
|
* inside. This top level compile function would normally
|
|
* be called on instance root nodes, but can also be used
|
|
* for partial compilation if the partial argument is true.
|
|
*
|
|
* The returned composite link function, when called, will
|
|
* return an unlink function that tearsdown all directives
|
|
* created during the linking phase.
|
|
*
|
|
* @param {Element|DocumentFragment} el
|
|
* @param {Object} options
|
|
* @param {Boolean} partial
|
|
* @return {Function}
|
|
*/
|
|
|
|
function compile(el, options, partial) {
|
|
// link function for the node itself.
|
|
var nodeLinkFn = partial || !options._asComponent ? compileNode(el, options) : null;
|
|
// link function for the childNodes
|
|
var childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && !isScript(el) && el.hasChildNodes() ? compileNodeList(el.childNodes, options) : null;
|
|
|
|
/**
|
|
* A composite linker function to be called on a already
|
|
* compiled piece of DOM, which instantiates all directive
|
|
* instances.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Element|DocumentFragment} el
|
|
* @param {Vue} [host] - host vm of transcluded content
|
|
* @param {Object} [scope] - v-for scope
|
|
* @param {Fragment} [frag] - link context fragment
|
|
* @return {Function|undefined}
|
|
*/
|
|
|
|
return function compositeLinkFn(vm, el, host, scope, frag) {
|
|
// cache childNodes before linking parent, fix #657
|
|
var childNodes = toArray(el.childNodes);
|
|
// link
|
|
var dirs = linkAndCapture(function compositeLinkCapturer() {
|
|
if (nodeLinkFn) nodeLinkFn(vm, el, host, scope, frag);
|
|
if (childLinkFn) childLinkFn(vm, childNodes, host, scope, frag);
|
|
}, vm);
|
|
return makeUnlinkFn(vm, dirs);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Apply a linker to a vm/element pair and capture the
|
|
* directives created during the process.
|
|
*
|
|
* @param {Function} linker
|
|
* @param {Vue} vm
|
|
*/
|
|
|
|
function linkAndCapture(linker, vm) {
|
|
/* istanbul ignore if */
|
|
if (process.env.NODE_ENV === 'production') {
|
|
// reset directives before every capture in production
|
|
// mode, so that when unlinking we don't need to splice
|
|
// them out (which turns out to be a perf hit).
|
|
// they are kept in development mode because they are
|
|
// useful for Vue's own tests.
|
|
vm._directives = [];
|
|
}
|
|
var originalDirCount = vm._directives.length;
|
|
linker();
|
|
var dirs = vm._directives.slice(originalDirCount);
|
|
dirs.sort(directiveComparator);
|
|
for (var i = 0, l = dirs.length; i < l; i++) {
|
|
dirs[i]._bind();
|
|
}
|
|
return dirs;
|
|
}
|
|
|
|
/**
|
|
* Directive priority sort comparator
|
|
*
|
|
* @param {Object} a
|
|
* @param {Object} b
|
|
*/
|
|
|
|
function directiveComparator(a, b) {
|
|
a = a.descriptor.def.priority || DEFAULT_PRIORITY;
|
|
b = b.descriptor.def.priority || DEFAULT_PRIORITY;
|
|
return a > b ? -1 : a === b ? 0 : 1;
|
|
}
|
|
|
|
/**
|
|
* Linker functions return an unlink function that
|
|
* tearsdown all directives instances generated during
|
|
* the process.
|
|
*
|
|
* We create unlink functions with only the necessary
|
|
* information to avoid retaining additional closures.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Array} dirs
|
|
* @param {Vue} [context]
|
|
* @param {Array} [contextDirs]
|
|
* @return {Function}
|
|
*/
|
|
|
|
function makeUnlinkFn(vm, dirs, context, contextDirs) {
|
|
function unlink(destroying) {
|
|
teardownDirs(vm, dirs, destroying);
|
|
if (context && contextDirs) {
|
|
teardownDirs(context, contextDirs);
|
|
}
|
|
}
|
|
// expose linked directives
|
|
unlink.dirs = dirs;
|
|
return unlink;
|
|
}
|
|
|
|
/**
|
|
* Teardown partial linked directives.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Array} dirs
|
|
* @param {Boolean} destroying
|
|
*/
|
|
|
|
function teardownDirs(vm, dirs, destroying) {
|
|
var i = dirs.length;
|
|
while (i--) {
|
|
dirs[i]._teardown();
|
|
if (process.env.NODE_ENV !== 'production' && !destroying) {
|
|
vm._directives.$remove(dirs[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Compile link props on an instance.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Element} el
|
|
* @param {Object} props
|
|
* @param {Object} [scope]
|
|
* @return {Function}
|
|
*/
|
|
|
|
function compileAndLinkProps(vm, el, props, scope) {
|
|
var propsLinkFn = compileProps(el, props, vm);
|
|
var propDirs = linkAndCapture(function () {
|
|
propsLinkFn(vm, scope);
|
|
}, vm);
|
|
return makeUnlinkFn(vm, propDirs);
|
|
}
|
|
|
|
/**
|
|
* Compile the root element of an instance.
|
|
*
|
|
* 1. attrs on context container (context scope)
|
|
* 2. attrs on the component template root node, if
|
|
* replace:true (child scope)
|
|
*
|
|
* If this is a fragment instance, we only need to compile 1.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @param {Object} contextOptions
|
|
* @return {Function}
|
|
*/
|
|
|
|
function compileRoot(el, options, contextOptions) {
|
|
var containerAttrs = options._containerAttrs;
|
|
var replacerAttrs = options._replacerAttrs;
|
|
var contextLinkFn, replacerLinkFn;
|
|
|
|
// only need to compile other attributes for
|
|
// non-fragment instances
|
|
if (el.nodeType !== 11) {
|
|
// for components, container and replacer need to be
|
|
// compiled separately and linked in different scopes.
|
|
if (options._asComponent) {
|
|
// 2. container attributes
|
|
if (containerAttrs && contextOptions) {
|
|
contextLinkFn = compileDirectives(containerAttrs, contextOptions);
|
|
}
|
|
if (replacerAttrs) {
|
|
// 3. replacer attributes
|
|
replacerLinkFn = compileDirectives(replacerAttrs, options);
|
|
}
|
|
} else {
|
|
// non-component, just compile as a normal element.
|
|
replacerLinkFn = compileDirectives(el.attributes, options);
|
|
}
|
|
} else if (process.env.NODE_ENV !== 'production' && containerAttrs) {
|
|
// warn container directives for fragment instances
|
|
var names = containerAttrs.filter(function (attr) {
|
|
// allow vue-loader/vueify scoped css attributes
|
|
return attr.name.indexOf('_v-') < 0 &&
|
|
// allow event listeners
|
|
!onRE.test(attr.name) &&
|
|
// allow slots
|
|
attr.name !== 'slot';
|
|
}).map(function (attr) {
|
|
return '"' + attr.name + '"';
|
|
});
|
|
if (names.length) {
|
|
var plural = names.length > 1;
|
|
warn('Attribute' + (plural ? 's ' : ' ') + names.join(', ') + (plural ? ' are' : ' is') + ' ignored on component ' + '<' + options.el.tagName.toLowerCase() + '> because ' + 'the component is a fragment instance: ' + 'http://vuejs.org/guide/components.html#Fragment-Instance');
|
|
}
|
|
}
|
|
|
|
options._containerAttrs = options._replacerAttrs = null;
|
|
return function rootLinkFn(vm, el, scope) {
|
|
// link context scope dirs
|
|
var context = vm._context;
|
|
var contextDirs;
|
|
if (context && contextLinkFn) {
|
|
contextDirs = linkAndCapture(function () {
|
|
contextLinkFn(context, el, null, scope);
|
|
}, context);
|
|
}
|
|
|
|
// link self
|
|
var selfDirs = linkAndCapture(function () {
|
|
if (replacerLinkFn) replacerLinkFn(vm, el);
|
|
}, vm);
|
|
|
|
// return the unlink function that tearsdown context
|
|
// container directives.
|
|
return makeUnlinkFn(vm, selfDirs, context, contextDirs);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Compile a node and return a nodeLinkFn based on the
|
|
* node type.
|
|
*
|
|
* @param {Node} node
|
|
* @param {Object} options
|
|
* @return {Function|null}
|
|
*/
|
|
|
|
function compileNode(node, options) {
|
|
var type = node.nodeType;
|
|
if (type === 1 && !isScript(node)) {
|
|
return compileElement(node, options);
|
|
} else if (type === 3 && node.data.trim()) {
|
|
return compileTextNode(node, options);
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Compile an element and return a nodeLinkFn.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Function|null}
|
|
*/
|
|
|
|
function compileElement(el, options) {
|
|
// preprocess textareas.
|
|
// textarea treats its text content as the initial value.
|
|
// just bind it as an attr directive for value.
|
|
if (el.tagName === 'TEXTAREA') {
|
|
var tokens = parseText(el.value);
|
|
if (tokens) {
|
|
el.setAttribute(':value', tokensToExp(tokens));
|
|
el.value = '';
|
|
}
|
|
}
|
|
var linkFn;
|
|
var hasAttrs = el.hasAttributes();
|
|
var attrs = hasAttrs && toArray(el.attributes);
|
|
// check terminal directives (for & if)
|
|
if (hasAttrs) {
|
|
linkFn = checkTerminalDirectives(el, attrs, options);
|
|
}
|
|
// check element directives
|
|
if (!linkFn) {
|
|
linkFn = checkElementDirectives(el, options);
|
|
}
|
|
// check component
|
|
if (!linkFn) {
|
|
linkFn = checkComponent(el, options);
|
|
}
|
|
// normal directives
|
|
if (!linkFn && hasAttrs) {
|
|
linkFn = compileDirectives(attrs, options);
|
|
}
|
|
return linkFn;
|
|
}
|
|
|
|
/**
|
|
* Compile a textNode and return a nodeLinkFn.
|
|
*
|
|
* @param {TextNode} node
|
|
* @param {Object} options
|
|
* @return {Function|null} textNodeLinkFn
|
|
*/
|
|
|
|
function compileTextNode(node, options) {
|
|
// skip marked text nodes
|
|
if (node._skip) {
|
|
return removeText;
|
|
}
|
|
|
|
var tokens = parseText(node.wholeText);
|
|
if (!tokens) {
|
|
return null;
|
|
}
|
|
|
|
// mark adjacent text nodes as skipped,
|
|
// because we are using node.wholeText to compile
|
|
// all adjacent text nodes together. This fixes
|
|
// issues in IE where sometimes it splits up a single
|
|
// text node into multiple ones.
|
|
var next = node.nextSibling;
|
|
while (next && next.nodeType === 3) {
|
|
next._skip = true;
|
|
next = next.nextSibling;
|
|
}
|
|
|
|
var frag = document.createDocumentFragment();
|
|
var el, token;
|
|
for (var i = 0, l = tokens.length; i < l; i++) {
|
|
token = tokens[i];
|
|
el = token.tag ? processTextToken(token, options) : document.createTextNode(token.value);
|
|
frag.appendChild(el);
|
|
}
|
|
return makeTextNodeLinkFn(tokens, frag, options);
|
|
}
|
|
|
|
/**
|
|
* Linker for an skipped text node.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Text} node
|
|
*/
|
|
|
|
function removeText(vm, node) {
|
|
remove(node);
|
|
}
|
|
|
|
/**
|
|
* Process a single text token.
|
|
*
|
|
* @param {Object} token
|
|
* @param {Object} options
|
|
* @return {Node}
|
|
*/
|
|
|
|
function processTextToken(token, options) {
|
|
var el;
|
|
if (token.oneTime) {
|
|
el = document.createTextNode(token.value);
|
|
} else {
|
|
if (token.html) {
|
|
el = document.createComment('v-html');
|
|
setTokenType('html');
|
|
} else {
|
|
// IE will clean up empty textNodes during
|
|
// frag.cloneNode(true), so we have to give it
|
|
// something here...
|
|
el = document.createTextNode(' ');
|
|
setTokenType('text');
|
|
}
|
|
}
|
|
function setTokenType(type) {
|
|
if (token.descriptor) return;
|
|
var parsed = parseDirective(token.value);
|
|
token.descriptor = {
|
|
name: type,
|
|
def: directives[type],
|
|
expression: parsed.expression,
|
|
filters: parsed.filters
|
|
};
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Build a function that processes a textNode.
|
|
*
|
|
* @param {Array<Object>} tokens
|
|
* @param {DocumentFragment} frag
|
|
*/
|
|
|
|
function makeTextNodeLinkFn(tokens, frag) {
|
|
return function textNodeLinkFn(vm, el, host, scope) {
|
|
var fragClone = frag.cloneNode(true);
|
|
var childNodes = toArray(fragClone.childNodes);
|
|
var token, value, node;
|
|
for (var i = 0, l = tokens.length; i < l; i++) {
|
|
token = tokens[i];
|
|
value = token.value;
|
|
if (token.tag) {
|
|
node = childNodes[i];
|
|
if (token.oneTime) {
|
|
value = (scope || vm).$eval(value);
|
|
if (token.html) {
|
|
replace(node, parseTemplate(value, true));
|
|
} else {
|
|
node.data = value;
|
|
}
|
|
} else {
|
|
vm._bindDir(token.descriptor, node, host, scope);
|
|
}
|
|
}
|
|
}
|
|
replace(el, fragClone);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Compile a node list and return a childLinkFn.
|
|
*
|
|
* @param {NodeList} nodeList
|
|
* @param {Object} options
|
|
* @return {Function|undefined}
|
|
*/
|
|
|
|
function compileNodeList(nodeList, options) {
|
|
var linkFns = [];
|
|
var nodeLinkFn, childLinkFn, node;
|
|
for (var i = 0, l = nodeList.length; i < l; i++) {
|
|
node = nodeList[i];
|
|
nodeLinkFn = compileNode(node, options);
|
|
childLinkFn = !(nodeLinkFn && nodeLinkFn.terminal) && node.tagName !== 'SCRIPT' && node.hasChildNodes() ? compileNodeList(node.childNodes, options) : null;
|
|
linkFns.push(nodeLinkFn, childLinkFn);
|
|
}
|
|
return linkFns.length ? makeChildLinkFn(linkFns) : null;
|
|
}
|
|
|
|
/**
|
|
* Make a child link function for a node's childNodes.
|
|
*
|
|
* @param {Array<Function>} linkFns
|
|
* @return {Function} childLinkFn
|
|
*/
|
|
|
|
function makeChildLinkFn(linkFns) {
|
|
return function childLinkFn(vm, nodes, host, scope, frag) {
|
|
var node, nodeLinkFn, childrenLinkFn;
|
|
for (var i = 0, n = 0, l = linkFns.length; i < l; n++) {
|
|
node = nodes[n];
|
|
nodeLinkFn = linkFns[i++];
|
|
childrenLinkFn = linkFns[i++];
|
|
// cache childNodes before linking parent, fix #657
|
|
var childNodes = toArray(node.childNodes);
|
|
if (nodeLinkFn) {
|
|
nodeLinkFn(vm, node, host, scope, frag);
|
|
}
|
|
if (childrenLinkFn) {
|
|
childrenLinkFn(vm, childNodes, host, scope, frag);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Check for element directives (custom elements that should
|
|
* be resovled as terminal directives).
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
*/
|
|
|
|
function checkElementDirectives(el, options) {
|
|
var tag = el.tagName.toLowerCase();
|
|
if (commonTagRE.test(tag)) {
|
|
return;
|
|
}
|
|
var def = resolveAsset(options, 'elementDirectives', tag);
|
|
if (def) {
|
|
return makeTerminalNodeLinkFn(el, tag, '', options, def);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if an element is a component. If yes, return
|
|
* a component link function.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Function|undefined}
|
|
*/
|
|
|
|
function checkComponent(el, options) {
|
|
var component = checkComponentAttr(el, options);
|
|
if (component) {
|
|
var ref = findRef(el);
|
|
var descriptor = {
|
|
name: 'component',
|
|
ref: ref,
|
|
expression: component.id,
|
|
def: internalDirectives.component,
|
|
modifiers: {
|
|
literal: !component.dynamic
|
|
}
|
|
};
|
|
var componentLinkFn = function componentLinkFn(vm, el, host, scope, frag) {
|
|
if (ref) {
|
|
defineReactive((scope || vm).$refs, ref, null);
|
|
}
|
|
vm._bindDir(descriptor, el, host, scope, frag);
|
|
};
|
|
componentLinkFn.terminal = true;
|
|
return componentLinkFn;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check an element for terminal directives in fixed order.
|
|
* If it finds one, return a terminal link function.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Array} attrs
|
|
* @param {Object} options
|
|
* @return {Function} terminalLinkFn
|
|
*/
|
|
|
|
function checkTerminalDirectives(el, attrs, options) {
|
|
// skip v-pre
|
|
if (getAttr(el, 'v-pre') !== null) {
|
|
return skip;
|
|
}
|
|
// skip v-else block, but only if following v-if
|
|
if (el.hasAttribute('v-else')) {
|
|
var prev = el.previousElementSibling;
|
|
if (prev && prev.hasAttribute('v-if')) {
|
|
return skip;
|
|
}
|
|
}
|
|
|
|
var attr, name, value, modifiers, matched, dirName, rawName, arg, def, termDef;
|
|
for (var i = 0, j = attrs.length; i < j; i++) {
|
|
attr = attrs[i];
|
|
name = attr.name.replace(modifierRE, '');
|
|
if (matched = name.match(dirAttrRE)) {
|
|
def = resolveAsset(options, 'directives', matched[1]);
|
|
if (def && def.terminal) {
|
|
if (!termDef || (def.priority || DEFAULT_TERMINAL_PRIORITY) > termDef.priority) {
|
|
termDef = def;
|
|
rawName = attr.name;
|
|
modifiers = parseModifiers(attr.name);
|
|
value = attr.value;
|
|
dirName = matched[1];
|
|
arg = matched[2];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (termDef) {
|
|
return makeTerminalNodeLinkFn(el, dirName, value, options, termDef, rawName, arg, modifiers);
|
|
}
|
|
}
|
|
|
|
function skip() {}
|
|
skip.terminal = true;
|
|
|
|
/**
|
|
* Build a node link function for a terminal directive.
|
|
* A terminal link function terminates the current
|
|
* compilation recursion and handles compilation of the
|
|
* subtree in the directive.
|
|
*
|
|
* @param {Element} el
|
|
* @param {String} dirName
|
|
* @param {String} value
|
|
* @param {Object} options
|
|
* @param {Object} def
|
|
* @param {String} [rawName]
|
|
* @param {String} [arg]
|
|
* @param {Object} [modifiers]
|
|
* @return {Function} terminalLinkFn
|
|
*/
|
|
|
|
function makeTerminalNodeLinkFn(el, dirName, value, options, def, rawName, arg, modifiers) {
|
|
var parsed = parseDirective(value);
|
|
var descriptor = {
|
|
name: dirName,
|
|
arg: arg,
|
|
expression: parsed.expression,
|
|
filters: parsed.filters,
|
|
raw: value,
|
|
attr: rawName,
|
|
modifiers: modifiers,
|
|
def: def
|
|
};
|
|
// check ref for v-for and router-view
|
|
if (dirName === 'for' || dirName === 'router-view') {
|
|
descriptor.ref = findRef(el);
|
|
}
|
|
var fn = function terminalNodeLinkFn(vm, el, host, scope, frag) {
|
|
if (descriptor.ref) {
|
|
defineReactive((scope || vm).$refs, descriptor.ref, null);
|
|
}
|
|
vm._bindDir(descriptor, el, host, scope, frag);
|
|
};
|
|
fn.terminal = true;
|
|
return fn;
|
|
}
|
|
|
|
/**
|
|
* Compile the directives on an element and return a linker.
|
|
*
|
|
* @param {Array|NamedNodeMap} attrs
|
|
* @param {Object} options
|
|
* @return {Function}
|
|
*/
|
|
|
|
function compileDirectives(attrs, options) {
|
|
var i = attrs.length;
|
|
var dirs = [];
|
|
var attr, name, value, rawName, rawValue, dirName, arg, modifiers, dirDef, tokens, matched;
|
|
while (i--) {
|
|
attr = attrs[i];
|
|
name = rawName = attr.name;
|
|
value = rawValue = attr.value;
|
|
tokens = parseText(value);
|
|
// reset arg
|
|
arg = null;
|
|
// check modifiers
|
|
modifiers = parseModifiers(name);
|
|
name = name.replace(modifierRE, '');
|
|
|
|
// attribute interpolations
|
|
if (tokens) {
|
|
value = tokensToExp(tokens);
|
|
arg = name;
|
|
pushDir('bind', directives.bind, tokens);
|
|
// warn against mixing mustaches with v-bind
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (name === 'class' && Array.prototype.some.call(attrs, function (attr) {
|
|
return attr.name === ':class' || attr.name === 'v-bind:class';
|
|
})) {
|
|
warn('class="' + rawValue + '": Do not mix mustache interpolation ' + 'and v-bind for "class" on the same element. Use one or the other.', options);
|
|
}
|
|
}
|
|
} else
|
|
|
|
// special attribute: transition
|
|
if (transitionRE.test(name)) {
|
|
modifiers.literal = !bindRE.test(name);
|
|
pushDir('transition', internalDirectives.transition);
|
|
} else
|
|
|
|
// event handlers
|
|
if (onRE.test(name)) {
|
|
arg = name.replace(onRE, '');
|
|
pushDir('on', directives.on);
|
|
} else
|
|
|
|
// attribute bindings
|
|
if (bindRE.test(name)) {
|
|
dirName = name.replace(bindRE, '');
|
|
if (dirName === 'style' || dirName === 'class') {
|
|
pushDir(dirName, internalDirectives[dirName]);
|
|
} else {
|
|
arg = dirName;
|
|
pushDir('bind', directives.bind);
|
|
}
|
|
} else
|
|
|
|
// normal directives
|
|
if (matched = name.match(dirAttrRE)) {
|
|
dirName = matched[1];
|
|
arg = matched[2];
|
|
|
|
// skip v-else (when used with v-show)
|
|
if (dirName === 'else') {
|
|
continue;
|
|
}
|
|
|
|
dirDef = resolveAsset(options, 'directives', dirName, true);
|
|
if (dirDef) {
|
|
pushDir(dirName, dirDef);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Push a directive.
|
|
*
|
|
* @param {String} dirName
|
|
* @param {Object|Function} def
|
|
* @param {Array} [interpTokens]
|
|
*/
|
|
|
|
function pushDir(dirName, def, interpTokens) {
|
|
var hasOneTimeToken = interpTokens && hasOneTime(interpTokens);
|
|
var parsed = !hasOneTimeToken && parseDirective(value);
|
|
dirs.push({
|
|
name: dirName,
|
|
attr: rawName,
|
|
raw: rawValue,
|
|
def: def,
|
|
arg: arg,
|
|
modifiers: modifiers,
|
|
// conversion from interpolation strings with one-time token
|
|
// to expression is differed until directive bind time so that we
|
|
// have access to the actual vm context for one-time bindings.
|
|
expression: parsed && parsed.expression,
|
|
filters: parsed && parsed.filters,
|
|
interp: interpTokens,
|
|
hasOneTime: hasOneTimeToken
|
|
});
|
|
}
|
|
|
|
if (dirs.length) {
|
|
return makeNodeLinkFn(dirs);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse modifiers from directive attribute name.
|
|
*
|
|
* @param {String} name
|
|
* @return {Object}
|
|
*/
|
|
|
|
function parseModifiers(name) {
|
|
var res = Object.create(null);
|
|
var match = name.match(modifierRE);
|
|
if (match) {
|
|
var i = match.length;
|
|
while (i--) {
|
|
res[match[i].slice(1)] = true;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Build a link function for all directives on a single node.
|
|
*
|
|
* @param {Array} directives
|
|
* @return {Function} directivesLinkFn
|
|
*/
|
|
|
|
function makeNodeLinkFn(directives) {
|
|
return function nodeLinkFn(vm, el, host, scope, frag) {
|
|
// reverse apply because it's sorted low to high
|
|
var i = directives.length;
|
|
while (i--) {
|
|
vm._bindDir(directives[i], el, host, scope, frag);
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Check if an interpolation string contains one-time tokens.
|
|
*
|
|
* @param {Array} tokens
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
function hasOneTime(tokens) {
|
|
var i = tokens.length;
|
|
while (i--) {
|
|
if (tokens[i].oneTime) return true;
|
|
}
|
|
}
|
|
|
|
function isScript(el) {
|
|
return el.tagName === 'SCRIPT' && (!el.hasAttribute('type') || el.getAttribute('type') === 'text/javascript');
|
|
}
|
|
|
|
var specialCharRE = /[^\w\-:\.]/;
|
|
|
|
/**
|
|
* Process an element or a DocumentFragment based on a
|
|
* instance option object. This allows us to transclude
|
|
* a template node/fragment before the instance is created,
|
|
* so the processed fragment can then be cloned and reused
|
|
* in v-for.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Element|DocumentFragment}
|
|
*/
|
|
|
|
function transclude(el, options) {
|
|
// extract container attributes to pass them down
|
|
// to compiler, because they need to be compiled in
|
|
// parent scope. we are mutating the options object here
|
|
// assuming the same object will be used for compile
|
|
// right after this.
|
|
if (options) {
|
|
options._containerAttrs = extractAttrs(el);
|
|
}
|
|
// for template tags, what we want is its content as
|
|
// a documentFragment (for fragment instances)
|
|
if (isTemplate(el)) {
|
|
el = parseTemplate(el);
|
|
}
|
|
if (options) {
|
|
if (options._asComponent && !options.template) {
|
|
options.template = '<slot></slot>';
|
|
}
|
|
if (options.template) {
|
|
options._content = extractContent(el);
|
|
el = transcludeTemplate(el, options);
|
|
}
|
|
}
|
|
if (isFragment(el)) {
|
|
// anchors for fragment instance
|
|
// passing in `persist: true` to avoid them being
|
|
// discarded by IE during template cloning
|
|
prepend(createAnchor('v-start', true), el);
|
|
el.appendChild(createAnchor('v-end', true));
|
|
}
|
|
return el;
|
|
}
|
|
|
|
/**
|
|
* Process the template option.
|
|
* If the replace option is true this will swap the $el.
|
|
*
|
|
* @param {Element} el
|
|
* @param {Object} options
|
|
* @return {Element|DocumentFragment}
|
|
*/
|
|
|
|
function transcludeTemplate(el, options) {
|
|
var template = options.template;
|
|
var frag = parseTemplate(template, true);
|
|
if (frag) {
|
|
var replacer = frag.firstChild;
|
|
var tag = replacer.tagName && replacer.tagName.toLowerCase();
|
|
if (options.replace) {
|
|
/* istanbul ignore if */
|
|
if (el === document.body) {
|
|
process.env.NODE_ENV !== 'production' && warn('You are mounting an instance with a template to ' + '<body>. This will replace <body> entirely. You ' + 'should probably use `replace: false` here.');
|
|
}
|
|
// there are many cases where the instance must
|
|
// become a fragment instance: basically anything that
|
|
// can create more than 1 root nodes.
|
|
if (
|
|
// multi-children template
|
|
frag.childNodes.length > 1 ||
|
|
// non-element template
|
|
replacer.nodeType !== 1 ||
|
|
// single nested component
|
|
tag === 'component' || resolveAsset(options, 'components', tag) || hasBindAttr(replacer, 'is') ||
|
|
// element directive
|
|
resolveAsset(options, 'elementDirectives', tag) ||
|
|
// for block
|
|
replacer.hasAttribute('v-for') ||
|
|
// if block
|
|
replacer.hasAttribute('v-if')) {
|
|
return frag;
|
|
} else {
|
|
options._replacerAttrs = extractAttrs(replacer);
|
|
mergeAttrs(el, replacer);
|
|
return replacer;
|
|
}
|
|
} else {
|
|
el.appendChild(frag);
|
|
return el;
|
|
}
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid template option: ' + template);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper to extract a component container's attributes
|
|
* into a plain object array.
|
|
*
|
|
* @param {Element} el
|
|
* @return {Array}
|
|
*/
|
|
|
|
function extractAttrs(el) {
|
|
if (el.nodeType === 1 && el.hasAttributes()) {
|
|
return toArray(el.attributes);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge the attributes of two elements, and make sure
|
|
* the class names are merged properly.
|
|
*
|
|
* @param {Element} from
|
|
* @param {Element} to
|
|
*/
|
|
|
|
function mergeAttrs(from, to) {
|
|
var attrs = from.attributes;
|
|
var i = attrs.length;
|
|
var name, value;
|
|
while (i--) {
|
|
name = attrs[i].name;
|
|
value = attrs[i].value;
|
|
if (!to.hasAttribute(name) && !specialCharRE.test(name)) {
|
|
to.setAttribute(name, value);
|
|
} else if (name === 'class' && !parseText(value) && (value = value.trim())) {
|
|
value.split(/\s+/).forEach(function (cls) {
|
|
addClass(to, cls);
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scan and determine slot content distribution.
|
|
* We do this during transclusion instead at compile time so that
|
|
* the distribution is decoupled from the compilation order of
|
|
* the slots.
|
|
*
|
|
* @param {Element|DocumentFragment} template
|
|
* @param {Element} content
|
|
* @param {Vue} vm
|
|
*/
|
|
|
|
function resolveSlots(vm, content) {
|
|
if (!content) {
|
|
return;
|
|
}
|
|
var contents = vm._slotContents = Object.create(null);
|
|
var el, name;
|
|
for (var i = 0, l = content.children.length; i < l; i++) {
|
|
el = content.children[i];
|
|
/* eslint-disable no-cond-assign */
|
|
if (name = el.getAttribute('slot')) {
|
|
(contents[name] || (contents[name] = [])).push(el);
|
|
}
|
|
/* eslint-enable no-cond-assign */
|
|
if (process.env.NODE_ENV !== 'production' && getBindAttr(el, 'slot')) {
|
|
warn('The "slot" attribute must be static.', vm.$parent);
|
|
}
|
|
}
|
|
for (name in contents) {
|
|
contents[name] = extractFragment(contents[name], content);
|
|
}
|
|
if (content.hasChildNodes()) {
|
|
var nodes = content.childNodes;
|
|
if (nodes.length === 1 && nodes[0].nodeType === 3 && !nodes[0].data.trim()) {
|
|
return;
|
|
}
|
|
contents['default'] = extractFragment(content.childNodes, content);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extract qualified content nodes from a node list.
|
|
*
|
|
* @param {NodeList} nodes
|
|
* @return {DocumentFragment}
|
|
*/
|
|
|
|
function extractFragment(nodes, parent) {
|
|
var frag = document.createDocumentFragment();
|
|
nodes = toArray(nodes);
|
|
for (var i = 0, l = nodes.length; i < l; i++) {
|
|
var node = nodes[i];
|
|
if (isTemplate(node) && !node.hasAttribute('v-if') && !node.hasAttribute('v-for')) {
|
|
parent.removeChild(node);
|
|
node = parseTemplate(node, true);
|
|
}
|
|
frag.appendChild(node);
|
|
}
|
|
return frag;
|
|
}
|
|
|
|
|
|
|
|
var compiler = Object.freeze({
|
|
compile: compile,
|
|
compileAndLinkProps: compileAndLinkProps,
|
|
compileRoot: compileRoot,
|
|
transclude: transclude,
|
|
resolveSlots: resolveSlots
|
|
});
|
|
|
|
function stateMixin (Vue) {
|
|
/**
|
|
* Accessor for `$data` property, since setting $data
|
|
* requires observing the new object and updating
|
|
* proxied properties.
|
|
*/
|
|
|
|
Object.defineProperty(Vue.prototype, '$data', {
|
|
get: function get() {
|
|
return this._data;
|
|
},
|
|
set: function set(newData) {
|
|
if (newData !== this._data) {
|
|
this._setData(newData);
|
|
}
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Setup the scope of an instance, which contains:
|
|
* - observed data
|
|
* - computed properties
|
|
* - user methods
|
|
* - meta properties
|
|
*/
|
|
|
|
Vue.prototype._initState = function () {
|
|
this._initProps();
|
|
this._initMeta();
|
|
this._initMethods();
|
|
this._initData();
|
|
this._initComputed();
|
|
};
|
|
|
|
/**
|
|
* Initialize props.
|
|
*/
|
|
|
|
Vue.prototype._initProps = function () {
|
|
var options = this.$options;
|
|
var el = options.el;
|
|
var props = options.props;
|
|
if (props && !el) {
|
|
process.env.NODE_ENV !== 'production' && warn('Props will not be compiled if no `el` option is ' + 'provided at instantiation.', this);
|
|
}
|
|
// make sure to convert string selectors into element now
|
|
el = options.el = query(el);
|
|
this._propsUnlinkFn = el && el.nodeType === 1 && props
|
|
// props must be linked in proper scope if inside v-for
|
|
? compileAndLinkProps(this, el, props, this._scope) : null;
|
|
};
|
|
|
|
/**
|
|
* Initialize the data.
|
|
*/
|
|
|
|
Vue.prototype._initData = function () {
|
|
var dataFn = this.$options.data;
|
|
var data = this._data = dataFn ? dataFn() : {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn('data functions should return an object.', this);
|
|
}
|
|
var props = this._props;
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var i, key;
|
|
i = keys.length;
|
|
while (i--) {
|
|
key = keys[i];
|
|
// there are two scenarios where we can proxy a data key:
|
|
// 1. it's not already defined as a prop
|
|
// 2. it's provided via a instantiation option AND there are no
|
|
// template prop present
|
|
if (!props || !hasOwn(props, key)) {
|
|
this._proxy(key);
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('Data field "' + key + '" is already defined ' + 'as a prop. To provide default value for a prop, use the "default" ' + 'prop option; if you want to pass prop values to an instantiation ' + 'call, use the "propsData" option.', this);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data, this);
|
|
};
|
|
|
|
/**
|
|
* Swap the instance's $data. Called in $data's setter.
|
|
*
|
|
* @param {Object} newData
|
|
*/
|
|
|
|
Vue.prototype._setData = function (newData) {
|
|
newData = newData || {};
|
|
var oldData = this._data;
|
|
this._data = newData;
|
|
var keys, key, i;
|
|
// unproxy keys not present in new data
|
|
keys = Object.keys(oldData);
|
|
i = keys.length;
|
|
while (i--) {
|
|
key = keys[i];
|
|
if (!(key in newData)) {
|
|
this._unproxy(key);
|
|
}
|
|
}
|
|
// proxy keys not already proxied,
|
|
// and trigger change for changed values
|
|
keys = Object.keys(newData);
|
|
i = keys.length;
|
|
while (i--) {
|
|
key = keys[i];
|
|
if (!hasOwn(this, key)) {
|
|
// new property
|
|
this._proxy(key);
|
|
}
|
|
}
|
|
oldData.__ob__.removeVm(this);
|
|
observe(newData, this);
|
|
this._digest();
|
|
};
|
|
|
|
/**
|
|
* Proxy a property, so that
|
|
* vm.prop === vm._data.prop
|
|
*
|
|
* @param {String} key
|
|
*/
|
|
|
|
Vue.prototype._proxy = function (key) {
|
|
if (!isReserved(key)) {
|
|
// need to store ref to self here
|
|
// because these getter/setters might
|
|
// be called by child scopes via
|
|
// prototype inheritance.
|
|
var self = this;
|
|
Object.defineProperty(self, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function proxyGetter() {
|
|
return self._data[key];
|
|
},
|
|
set: function proxySetter(val) {
|
|
self._data[key] = val;
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Unproxy a property.
|
|
*
|
|
* @param {String} key
|
|
*/
|
|
|
|
Vue.prototype._unproxy = function (key) {
|
|
if (!isReserved(key)) {
|
|
delete this[key];
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Force update on every watcher in scope.
|
|
*/
|
|
|
|
Vue.prototype._digest = function () {
|
|
for (var i = 0, l = this._watchers.length; i < l; i++) {
|
|
this._watchers[i].update(true); // shallow updates
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Setup computed properties. They are essentially
|
|
* special getter/setters
|
|
*/
|
|
|
|
function noop() {}
|
|
Vue.prototype._initComputed = function () {
|
|
var computed = this.$options.computed;
|
|
if (computed) {
|
|
for (var key in computed) {
|
|
var userDef = computed[key];
|
|
var def = {
|
|
enumerable: true,
|
|
configurable: true
|
|
};
|
|
if (typeof userDef === 'function') {
|
|
def.get = makeComputedGetter(userDef, this);
|
|
def.set = noop;
|
|
} else {
|
|
def.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, this) : bind(userDef.get, this) : noop;
|
|
def.set = userDef.set ? bind(userDef.set, this) : noop;
|
|
}
|
|
Object.defineProperty(this, key, def);
|
|
}
|
|
}
|
|
};
|
|
|
|
function makeComputedGetter(getter, owner) {
|
|
var watcher = new Watcher(owner, getter, null, {
|
|
lazy: true
|
|
});
|
|
return function computedGetter() {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Setup instance methods. Methods must be bound to the
|
|
* instance since they might be passed down as a prop to
|
|
* child components.
|
|
*/
|
|
|
|
Vue.prototype._initMethods = function () {
|
|
var methods = this.$options.methods;
|
|
if (methods) {
|
|
for (var key in methods) {
|
|
this[key] = bind(methods[key], this);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Initialize meta information like $index, $key & $value.
|
|
*/
|
|
|
|
Vue.prototype._initMeta = function () {
|
|
var metas = this.$options._meta;
|
|
if (metas) {
|
|
for (var key in metas) {
|
|
defineReactive(this, key, metas[key]);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
var eventRE = /^v-on:|^@/;
|
|
|
|
function eventsMixin (Vue) {
|
|
/**
|
|
* Setup the instance's option events & watchers.
|
|
* If the value is a string, we pull it from the
|
|
* instance's methods by name.
|
|
*/
|
|
|
|
Vue.prototype._initEvents = function () {
|
|
var options = this.$options;
|
|
if (options._asComponent) {
|
|
registerComponentEvents(this, options.el);
|
|
}
|
|
registerCallbacks(this, '$on', options.events);
|
|
registerCallbacks(this, '$watch', options.watch);
|
|
};
|
|
|
|
/**
|
|
* Register v-on events on a child component
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Element} el
|
|
*/
|
|
|
|
function registerComponentEvents(vm, el) {
|
|
var attrs = el.attributes;
|
|
var name, value, handler;
|
|
for (var i = 0, l = attrs.length; i < l; i++) {
|
|
name = attrs[i].name;
|
|
if (eventRE.test(name)) {
|
|
name = name.replace(eventRE, '');
|
|
// force the expression into a statement so that
|
|
// it always dynamically resolves the method to call (#2670)
|
|
// kinda ugly hack, but does the job.
|
|
value = attrs[i].value;
|
|
if (isSimplePath(value)) {
|
|
value += '.apply(this, $arguments)';
|
|
}
|
|
handler = (vm._scope || vm._context).$eval(value, true);
|
|
handler._fromParent = true;
|
|
vm.$on(name.replace(eventRE), handler);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Register callbacks for option events and watchers.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {String} action
|
|
* @param {Object} hash
|
|
*/
|
|
|
|
function registerCallbacks(vm, action, hash) {
|
|
if (!hash) return;
|
|
var handlers, key, i, j;
|
|
for (key in hash) {
|
|
handlers = hash[key];
|
|
if (isArray(handlers)) {
|
|
for (i = 0, j = handlers.length; i < j; i++) {
|
|
register(vm, action, key, handlers[i]);
|
|
}
|
|
} else {
|
|
register(vm, action, key, handlers);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper to register an event/watch callback.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {String} action
|
|
* @param {String} key
|
|
* @param {Function|String|Object} handler
|
|
* @param {Object} [options]
|
|
*/
|
|
|
|
function register(vm, action, key, handler, options) {
|
|
var type = typeof handler;
|
|
if (type === 'function') {
|
|
vm[action](key, handler, options);
|
|
} else if (type === 'string') {
|
|
var methods = vm.$options.methods;
|
|
var method = methods && methods[handler];
|
|
if (method) {
|
|
vm[action](key, method, options);
|
|
} else {
|
|
process.env.NODE_ENV !== 'production' && warn('Unknown method: "' + handler + '" when ' + 'registering callback for ' + action + ': "' + key + '".', vm);
|
|
}
|
|
} else if (handler && type === 'object') {
|
|
register(vm, action, key, handler.handler, handler);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Setup recursive attached/detached calls
|
|
*/
|
|
|
|
Vue.prototype._initDOMHooks = function () {
|
|
this.$on('hook:attached', onAttached);
|
|
this.$on('hook:detached', onDetached);
|
|
};
|
|
|
|
/**
|
|
* Callback to recursively call attached hook on children
|
|
*/
|
|
|
|
function onAttached() {
|
|
if (!this._isAttached) {
|
|
this._isAttached = true;
|
|
this.$children.forEach(callAttach);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Iterator to call attached hook
|
|
*
|
|
* @param {Vue} child
|
|
*/
|
|
|
|
function callAttach(child) {
|
|
if (!child._isAttached && inDoc(child.$el)) {
|
|
child._callHook('attached');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Callback to recursively call detached hook on children
|
|
*/
|
|
|
|
function onDetached() {
|
|
if (this._isAttached) {
|
|
this._isAttached = false;
|
|
this.$children.forEach(callDetach);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Iterator to call detached hook
|
|
*
|
|
* @param {Vue} child
|
|
*/
|
|
|
|
function callDetach(child) {
|
|
if (child._isAttached && !inDoc(child.$el)) {
|
|
child._callHook('detached');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Trigger all handlers for a hook
|
|
*
|
|
* @param {String} hook
|
|
*/
|
|
|
|
Vue.prototype._callHook = function (hook) {
|
|
this.$emit('pre-hook:' + hook);
|
|
var handlers = this.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
handlers[i].call(this);
|
|
}
|
|
}
|
|
this.$emit('hook:' + hook);
|
|
};
|
|
}
|
|
|
|
function noop() {}
|
|
|
|
/**
|
|
* A directive links a DOM element with a piece of data,
|
|
* which is the result of evaluating an expression.
|
|
* It registers a watcher with the expression and calls
|
|
* the DOM update function when a change is triggered.
|
|
*
|
|
* @param {Object} descriptor
|
|
* - {String} name
|
|
* - {Object} def
|
|
* - {String} expression
|
|
* - {Array<Object>} [filters]
|
|
* - {Object} [modifiers]
|
|
* - {Boolean} literal
|
|
* - {String} attr
|
|
* - {String} arg
|
|
* - {String} raw
|
|
* - {String} [ref]
|
|
* - {Array<Object>} [interp]
|
|
* - {Boolean} [hasOneTime]
|
|
* @param {Vue} vm
|
|
* @param {Node} el
|
|
* @param {Vue} [host] - transclusion host component
|
|
* @param {Object} [scope] - v-for scope
|
|
* @param {Fragment} [frag] - owner fragment
|
|
* @constructor
|
|
*/
|
|
function Directive(descriptor, vm, el, host, scope, frag) {
|
|
this.vm = vm;
|
|
this.el = el;
|
|
// copy descriptor properties
|
|
this.descriptor = descriptor;
|
|
this.name = descriptor.name;
|
|
this.expression = descriptor.expression;
|
|
this.arg = descriptor.arg;
|
|
this.modifiers = descriptor.modifiers;
|
|
this.filters = descriptor.filters;
|
|
this.literal = this.modifiers && this.modifiers.literal;
|
|
// private
|
|
this._locked = false;
|
|
this._bound = false;
|
|
this._listeners = null;
|
|
// link context
|
|
this._host = host;
|
|
this._scope = scope;
|
|
this._frag = frag;
|
|
// store directives on node in dev mode
|
|
if (process.env.NODE_ENV !== 'production' && this.el) {
|
|
this.el._vue_directives = this.el._vue_directives || [];
|
|
this.el._vue_directives.push(this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initialize the directive, mixin definition properties,
|
|
* setup the watcher, call definition bind() and update()
|
|
* if present.
|
|
*/
|
|
|
|
Directive.prototype._bind = function () {
|
|
var name = this.name;
|
|
var descriptor = this.descriptor;
|
|
|
|
// remove attribute
|
|
if ((name !== 'cloak' || this.vm._isCompiled) && this.el && this.el.removeAttribute) {
|
|
var attr = descriptor.attr || 'v-' + name;
|
|
this.el.removeAttribute(attr);
|
|
}
|
|
|
|
// copy def properties
|
|
var def = descriptor.def;
|
|
if (typeof def === 'function') {
|
|
this.update = def;
|
|
} else {
|
|
extend(this, def);
|
|
}
|
|
|
|
// setup directive params
|
|
this._setupParams();
|
|
|
|
// initial bind
|
|
if (this.bind) {
|
|
this.bind();
|
|
}
|
|
this._bound = true;
|
|
|
|
if (this.literal) {
|
|
this.update && this.update(descriptor.raw);
|
|
} else if ((this.expression || this.modifiers) && (this.update || this.twoWay) && !this._checkStatement()) {
|
|
// wrapped updater for context
|
|
var dir = this;
|
|
if (this.update) {
|
|
this._update = function (val, oldVal) {
|
|
if (!dir._locked) {
|
|
dir.update(val, oldVal);
|
|
}
|
|
};
|
|
} else {
|
|
this._update = noop;
|
|
}
|
|
var preProcess = this._preProcess ? bind(this._preProcess, this) : null;
|
|
var postProcess = this._postProcess ? bind(this._postProcess, this) : null;
|
|
var watcher = this._watcher = new Watcher(this.vm, this.expression, this._update, // callback
|
|
{
|
|
filters: this.filters,
|
|
twoWay: this.twoWay,
|
|
deep: this.deep,
|
|
preProcess: preProcess,
|
|
postProcess: postProcess,
|
|
scope: this._scope
|
|
});
|
|
// v-model with inital inline value need to sync back to
|
|
// model instead of update to DOM on init. They would
|
|
// set the afterBind hook to indicate that.
|
|
if (this.afterBind) {
|
|
this.afterBind();
|
|
} else if (this.update) {
|
|
this.update(watcher.value);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Setup all param attributes, e.g. track-by,
|
|
* transition-mode, etc...
|
|
*/
|
|
|
|
Directive.prototype._setupParams = function () {
|
|
if (!this.params) {
|
|
return;
|
|
}
|
|
var params = this.params;
|
|
// swap the params array with a fresh object.
|
|
this.params = Object.create(null);
|
|
var i = params.length;
|
|
var key, val, mappedKey;
|
|
while (i--) {
|
|
key = hyphenate(params[i]);
|
|
mappedKey = camelize(key);
|
|
val = getBindAttr(this.el, key);
|
|
if (val != null) {
|
|
// dynamic
|
|
this._setupParamWatcher(mappedKey, val);
|
|
} else {
|
|
// static
|
|
val = getAttr(this.el, key);
|
|
if (val != null) {
|
|
this.params[mappedKey] = val === '' ? true : val;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Setup a watcher for a dynamic param.
|
|
*
|
|
* @param {String} key
|
|
* @param {String} expression
|
|
*/
|
|
|
|
Directive.prototype._setupParamWatcher = function (key, expression) {
|
|
var self = this;
|
|
var called = false;
|
|
var unwatch = (this._scope || this.vm).$watch(expression, function (val, oldVal) {
|
|
self.params[key] = val;
|
|
// since we are in immediate mode,
|
|
// only call the param change callbacks if this is not the first update.
|
|
if (called) {
|
|
var cb = self.paramWatchers && self.paramWatchers[key];
|
|
if (cb) {
|
|
cb.call(self, val, oldVal);
|
|
}
|
|
} else {
|
|
called = true;
|
|
}
|
|
}, {
|
|
immediate: true,
|
|
user: false
|
|
});(this._paramUnwatchFns || (this._paramUnwatchFns = [])).push(unwatch);
|
|
};
|
|
|
|
/**
|
|
* Check if the directive is a function caller
|
|
* and if the expression is a callable one. If both true,
|
|
* we wrap up the expression and use it as the event
|
|
* handler.
|
|
*
|
|
* e.g. on-click="a++"
|
|
*
|
|
* @return {Boolean}
|
|
*/
|
|
|
|
Directive.prototype._checkStatement = function () {
|
|
var expression = this.expression;
|
|
if (expression && this.acceptStatement && !isSimplePath(expression)) {
|
|
var fn = parseExpression(expression).get;
|
|
var scope = this._scope || this.vm;
|
|
var handler = function handler(e) {
|
|
scope.$event = e;
|
|
fn.call(scope, scope);
|
|
scope.$event = null;
|
|
};
|
|
if (this.filters) {
|
|
handler = scope._applyFilters(handler, null, this.filters);
|
|
}
|
|
this.update(handler);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Set the corresponding value with the setter.
|
|
* This should only be used in two-way directives
|
|
* e.g. v-model.
|
|
*
|
|
* @param {*} value
|
|
* @public
|
|
*/
|
|
|
|
Directive.prototype.set = function (value) {
|
|
/* istanbul ignore else */
|
|
if (this.twoWay) {
|
|
this._withLock(function () {
|
|
this._watcher.set(value);
|
|
});
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('Directive.set() can only be used inside twoWay' + 'directives.');
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Execute a function while preventing that function from
|
|
* triggering updates on this directive instance.
|
|
*
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
Directive.prototype._withLock = function (fn) {
|
|
var self = this;
|
|
self._locked = true;
|
|
fn.call(self);
|
|
nextTick(function () {
|
|
self._locked = false;
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Convenience method that attaches a DOM event listener
|
|
* to the directive element and autometically tears it down
|
|
* during unbind.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} handler
|
|
* @param {Boolean} [useCapture]
|
|
*/
|
|
|
|
Directive.prototype.on = function (event, handler, useCapture) {
|
|
on(this.el, event, handler, useCapture);(this._listeners || (this._listeners = [])).push([event, handler]);
|
|
};
|
|
|
|
/**
|
|
* Teardown the watcher and call unbind.
|
|
*/
|
|
|
|
Directive.prototype._teardown = function () {
|
|
if (this._bound) {
|
|
this._bound = false;
|
|
if (this.unbind) {
|
|
this.unbind();
|
|
}
|
|
if (this._watcher) {
|
|
this._watcher.teardown();
|
|
}
|
|
var listeners = this._listeners;
|
|
var i;
|
|
if (listeners) {
|
|
i = listeners.length;
|
|
while (i--) {
|
|
off(this.el, listeners[i][0], listeners[i][1]);
|
|
}
|
|
}
|
|
var unwatchFns = this._paramUnwatchFns;
|
|
if (unwatchFns) {
|
|
i = unwatchFns.length;
|
|
while (i--) {
|
|
unwatchFns[i]();
|
|
}
|
|
}
|
|
if (process.env.NODE_ENV !== 'production' && this.el) {
|
|
this.el._vue_directives.$remove(this);
|
|
}
|
|
this.vm = this.el = this._watcher = this._listeners = null;
|
|
}
|
|
};
|
|
|
|
function lifecycleMixin (Vue) {
|
|
/**
|
|
* Update v-ref for component.
|
|
*
|
|
* @param {Boolean} remove
|
|
*/
|
|
|
|
Vue.prototype._updateRef = function (remove) {
|
|
var ref = this.$options._ref;
|
|
if (ref) {
|
|
var refs = (this._scope || this._context).$refs;
|
|
if (remove) {
|
|
if (refs[ref] === this) {
|
|
refs[ref] = null;
|
|
}
|
|
} else {
|
|
refs[ref] = this;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Transclude, compile and link element.
|
|
*
|
|
* If a pre-compiled linker is available, that means the
|
|
* passed in element will be pre-transcluded and compiled
|
|
* as well - all we need to do is to call the linker.
|
|
*
|
|
* Otherwise we need to call transclude/compile/link here.
|
|
*
|
|
* @param {Element} el
|
|
*/
|
|
|
|
Vue.prototype._compile = function (el) {
|
|
var options = this.$options;
|
|
|
|
// transclude and init element
|
|
// transclude can potentially replace original
|
|
// so we need to keep reference; this step also injects
|
|
// the template and caches the original attributes
|
|
// on the container node and replacer node.
|
|
var original = el;
|
|
el = transclude(el, options);
|
|
this._initElement(el);
|
|
|
|
// handle v-pre on root node (#2026)
|
|
if (el.nodeType === 1 && getAttr(el, 'v-pre') !== null) {
|
|
return;
|
|
}
|
|
|
|
// root is always compiled per-instance, because
|
|
// container attrs and props can be different every time.
|
|
var contextOptions = this._context && this._context.$options;
|
|
var rootLinker = compileRoot(el, options, contextOptions);
|
|
|
|
// resolve slot distribution
|
|
resolveSlots(this, options._content);
|
|
|
|
// compile and link the rest
|
|
var contentLinkFn;
|
|
var ctor = this.constructor;
|
|
// component compilation can be cached
|
|
// as long as it's not using inline-template
|
|
if (options._linkerCachable) {
|
|
contentLinkFn = ctor.linker;
|
|
if (!contentLinkFn) {
|
|
contentLinkFn = ctor.linker = compile(el, options);
|
|
}
|
|
}
|
|
|
|
// link phase
|
|
// make sure to link root with prop scope!
|
|
var rootUnlinkFn = rootLinker(this, el, this._scope);
|
|
var contentUnlinkFn = contentLinkFn ? contentLinkFn(this, el) : compile(el, options)(this, el);
|
|
|
|
// register composite unlink function
|
|
// to be called during instance destruction
|
|
this._unlinkFn = function () {
|
|
rootUnlinkFn();
|
|
// passing destroying: true to avoid searching and
|
|
// splicing the directives
|
|
contentUnlinkFn(true);
|
|
};
|
|
|
|
// finally replace original
|
|
if (options.replace) {
|
|
replace(original, el);
|
|
}
|
|
|
|
this._isCompiled = true;
|
|
this._callHook('compiled');
|
|
};
|
|
|
|
/**
|
|
* Initialize instance element. Called in the public
|
|
* $mount() method.
|
|
*
|
|
* @param {Element} el
|
|
*/
|
|
|
|
Vue.prototype._initElement = function (el) {
|
|
if (isFragment(el)) {
|
|
this._isFragment = true;
|
|
this.$el = this._fragmentStart = el.firstChild;
|
|
this._fragmentEnd = el.lastChild;
|
|
// set persisted text anchors to empty
|
|
if (this._fragmentStart.nodeType === 3) {
|
|
this._fragmentStart.data = this._fragmentEnd.data = '';
|
|
}
|
|
this._fragment = el;
|
|
} else {
|
|
this.$el = el;
|
|
}
|
|
this.$el.__vue__ = this;
|
|
this._callHook('beforeCompile');
|
|
};
|
|
|
|
/**
|
|
* Create and bind a directive to an element.
|
|
*
|
|
* @param {Object} descriptor - parsed directive descriptor
|
|
* @param {Node} node - target node
|
|
* @param {Vue} [host] - transclusion host component
|
|
* @param {Object} [scope] - v-for scope
|
|
* @param {Fragment} [frag] - owner fragment
|
|
*/
|
|
|
|
Vue.prototype._bindDir = function (descriptor, node, host, scope, frag) {
|
|
this._directives.push(new Directive(descriptor, this, node, host, scope, frag));
|
|
};
|
|
|
|
/**
|
|
* Teardown an instance, unobserves the data, unbind all the
|
|
* directives, turn off all the event listeners, etc.
|
|
*
|
|
* @param {Boolean} remove - whether to remove the DOM node.
|
|
* @param {Boolean} deferCleanup - if true, defer cleanup to
|
|
* be called later
|
|
*/
|
|
|
|
Vue.prototype._destroy = function (remove, deferCleanup) {
|
|
if (this._isBeingDestroyed) {
|
|
if (!deferCleanup) {
|
|
this._cleanup();
|
|
}
|
|
return;
|
|
}
|
|
|
|
var destroyReady;
|
|
var pendingRemoval;
|
|
|
|
var self = this;
|
|
// Cleanup should be called either synchronously or asynchronoysly as
|
|
// callback of this.$remove(), or if remove and deferCleanup are false.
|
|
// In any case it should be called after all other removing, unbinding and
|
|
// turning of is done
|
|
var cleanupIfPossible = function cleanupIfPossible() {
|
|
if (destroyReady && !pendingRemoval && !deferCleanup) {
|
|
self._cleanup();
|
|
}
|
|
};
|
|
|
|
// remove DOM element
|
|
if (remove && this.$el) {
|
|
pendingRemoval = true;
|
|
this.$remove(function () {
|
|
pendingRemoval = false;
|
|
cleanupIfPossible();
|
|
});
|
|
}
|
|
|
|
this._callHook('beforeDestroy');
|
|
this._isBeingDestroyed = true;
|
|
var i;
|
|
// remove self from parent. only necessary
|
|
// if parent is not being destroyed as well.
|
|
var parent = this.$parent;
|
|
if (parent && !parent._isBeingDestroyed) {
|
|
parent.$children.$remove(this);
|
|
// unregister ref (remove: true)
|
|
this._updateRef(true);
|
|
}
|
|
// destroy all children.
|
|
i = this.$children.length;
|
|
while (i--) {
|
|
this.$children[i].$destroy();
|
|
}
|
|
// teardown props
|
|
if (this._propsUnlinkFn) {
|
|
this._propsUnlinkFn();
|
|
}
|
|
// teardown all directives. this also tearsdown all
|
|
// directive-owned watchers.
|
|
if (this._unlinkFn) {
|
|
this._unlinkFn();
|
|
}
|
|
i = this._watchers.length;
|
|
while (i--) {
|
|
this._watchers[i].teardown();
|
|
}
|
|
// remove reference to self on $el
|
|
if (this.$el) {
|
|
this.$el.__vue__ = null;
|
|
}
|
|
|
|
destroyReady = true;
|
|
cleanupIfPossible();
|
|
};
|
|
|
|
/**
|
|
* Clean up to ensure garbage collection.
|
|
* This is called after the leave transition if there
|
|
* is any.
|
|
*/
|
|
|
|
Vue.prototype._cleanup = function () {
|
|
if (this._isDestroyed) {
|
|
return;
|
|
}
|
|
// remove self from owner fragment
|
|
// do it in cleanup so that we can call $destroy with
|
|
// defer right when a fragment is about to be removed.
|
|
if (this._frag) {
|
|
this._frag.children.$remove(this);
|
|
}
|
|
// remove reference from data ob
|
|
// frozen object may not have observer.
|
|
if (this._data && this._data.__ob__) {
|
|
this._data.__ob__.removeVm(this);
|
|
}
|
|
// Clean up references to private properties and other
|
|
// instances. preserve reference to _data so that proxy
|
|
// accessors still work. The only potential side effect
|
|
// here is that mutating the instance after it's destroyed
|
|
// may affect the state of other components that are still
|
|
// observing the same object, but that seems to be a
|
|
// reasonable responsibility for the user rather than
|
|
// always throwing an error on them.
|
|
this.$el = this.$parent = this.$root = this.$children = this._watchers = this._context = this._scope = this._directives = null;
|
|
// call the last hook...
|
|
this._isDestroyed = true;
|
|
this._callHook('destroyed');
|
|
// turn off all instance listeners.
|
|
this.$off();
|
|
};
|
|
}
|
|
|
|
function miscMixin (Vue) {
|
|
/**
|
|
* Apply a list of filter (descriptors) to a value.
|
|
* Using plain for loops here because this will be called in
|
|
* the getter of any watcher with filters so it is very
|
|
* performance sensitive.
|
|
*
|
|
* @param {*} value
|
|
* @param {*} [oldValue]
|
|
* @param {Array} filters
|
|
* @param {Boolean} write
|
|
* @return {*}
|
|
*/
|
|
|
|
Vue.prototype._applyFilters = function (value, oldValue, filters, write) {
|
|
var filter, fn, args, arg, offset, i, l, j, k;
|
|
for (i = 0, l = filters.length; i < l; i++) {
|
|
filter = filters[write ? l - i - 1 : i];
|
|
fn = resolveAsset(this.$options, 'filters', filter.name, true);
|
|
if (!fn) continue;
|
|
fn = write ? fn.write : fn.read || fn;
|
|
if (typeof fn !== 'function') continue;
|
|
args = write ? [value, oldValue] : [value];
|
|
offset = write ? 2 : 1;
|
|
if (filter.args) {
|
|
for (j = 0, k = filter.args.length; j < k; j++) {
|
|
arg = filter.args[j];
|
|
args[j + offset] = arg.dynamic ? this.$get(arg.value) : arg.value;
|
|
}
|
|
}
|
|
value = fn.apply(this, args);
|
|
}
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* Resolve a component, depending on whether the component
|
|
* is defined normally or using an async factory function.
|
|
* Resolves synchronously if already resolved, otherwise
|
|
* resolves asynchronously and caches the resolved
|
|
* constructor on the factory.
|
|
*
|
|
* @param {String|Function} value
|
|
* @param {Function} cb
|
|
*/
|
|
|
|
Vue.prototype._resolveComponent = function (value, cb) {
|
|
var factory;
|
|
if (typeof value === 'function') {
|
|
factory = value;
|
|
} else {
|
|
factory = resolveAsset(this.$options, 'components', value, true);
|
|
}
|
|
/* istanbul ignore if */
|
|
if (!factory) {
|
|
return;
|
|
}
|
|
// async component factory
|
|
if (!factory.options) {
|
|
if (factory.resolved) {
|
|
// cached
|
|
cb(factory.resolved);
|
|
} else if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
factory.call(this, function resolve(res) {
|
|
if (isPlainObject(res)) {
|
|
res = Vue.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}, function reject(reason) {
|
|
process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component' + (typeof value === 'string' ? ': ' + value : '') + '. ' + (reason ? '\nReason: ' + reason : ''));
|
|
});
|
|
}
|
|
} else {
|
|
// normal component
|
|
cb(factory);
|
|
}
|
|
};
|
|
}
|
|
|
|
var filterRE$1 = /[^|]\|[^|]/;
|
|
|
|
function dataAPI (Vue) {
|
|
/**
|
|
* Get the value from an expression on this vm.
|
|
*
|
|
* @param {String} exp
|
|
* @param {Boolean} [asStatement]
|
|
* @return {*}
|
|
*/
|
|
|
|
Vue.prototype.$get = function (exp, asStatement) {
|
|
var res = parseExpression(exp);
|
|
if (res) {
|
|
if (asStatement) {
|
|
var self = this;
|
|
return function statementHandler() {
|
|
self.$arguments = toArray(arguments);
|
|
var result = res.get.call(self, self);
|
|
self.$arguments = null;
|
|
return result;
|
|
};
|
|
} else {
|
|
try {
|
|
return res.get.call(this, this);
|
|
} catch (e) {}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Set the value from an expression on this vm.
|
|
* The expression must be a valid left-hand
|
|
* expression in an assignment.
|
|
*
|
|
* @param {String} exp
|
|
* @param {*} val
|
|
*/
|
|
|
|
Vue.prototype.$set = function (exp, val) {
|
|
var res = parseExpression(exp, true);
|
|
if (res && res.set) {
|
|
res.set.call(this, this, val);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Delete a property on the VM
|
|
*
|
|
* @param {String} key
|
|
*/
|
|
|
|
Vue.prototype.$delete = function (key) {
|
|
del(this._data, key);
|
|
};
|
|
|
|
/**
|
|
* Watch an expression, trigger callback when its
|
|
* value changes.
|
|
*
|
|
* @param {String|Function} expOrFn
|
|
* @param {Function} cb
|
|
* @param {Object} [options]
|
|
* - {Boolean} deep
|
|
* - {Boolean} immediate
|
|
* @return {Function} - unwatchFn
|
|
*/
|
|
|
|
Vue.prototype.$watch = function (expOrFn, cb, options) {
|
|
var vm = this;
|
|
var parsed;
|
|
if (typeof expOrFn === 'string') {
|
|
parsed = parseDirective(expOrFn);
|
|
expOrFn = parsed.expression;
|
|
}
|
|
var watcher = new Watcher(vm, expOrFn, cb, {
|
|
deep: options && options.deep,
|
|
sync: options && options.sync,
|
|
filters: parsed && parsed.filters,
|
|
user: !options || options.user !== false
|
|
});
|
|
if (options && options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn() {
|
|
watcher.teardown();
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Evaluate a text directive, including filters.
|
|
*
|
|
* @param {String} text
|
|
* @param {Boolean} [asStatement]
|
|
* @return {String}
|
|
*/
|
|
|
|
Vue.prototype.$eval = function (text, asStatement) {
|
|
// check for filters.
|
|
if (filterRE$1.test(text)) {
|
|
var dir = parseDirective(text);
|
|
// the filter regex check might give false positive
|
|
// for pipes inside strings, so it's possible that
|
|
// we don't get any filters here
|
|
var val = this.$get(dir.expression, asStatement);
|
|
return dir.filters ? this._applyFilters(val, null, dir.filters) : val;
|
|
} else {
|
|
// no filter
|
|
return this.$get(text, asStatement);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Interpolate a piece of template text.
|
|
*
|
|
* @param {String} text
|
|
* @return {String}
|
|
*/
|
|
|
|
Vue.prototype.$interpolate = function (text) {
|
|
var tokens = parseText(text);
|
|
var vm = this;
|
|
if (tokens) {
|
|
if (tokens.length === 1) {
|
|
return vm.$eval(tokens[0].value) + '';
|
|
} else {
|
|
return tokens.map(function (token) {
|
|
return token.tag ? vm.$eval(token.value) : token.value;
|
|
}).join('');
|
|
}
|
|
} else {
|
|
return text;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Log instance data as a plain JS object
|
|
* so that it is easier to inspect in console.
|
|
* This method assumes console is available.
|
|
*
|
|
* @param {String} [path]
|
|
*/
|
|
|
|
Vue.prototype.$log = function (path) {
|
|
var data = path ? getPath(this._data, path) : this._data;
|
|
if (data) {
|
|
data = clean(data);
|
|
}
|
|
// include computed fields
|
|
if (!path) {
|
|
var key;
|
|
for (key in this.$options.computed) {
|
|
data[key] = clean(this[key]);
|
|
}
|
|
if (this._props) {
|
|
for (key in this._props) {
|
|
data[key] = clean(this[key]);
|
|
}
|
|
}
|
|
}
|
|
console.log(data);
|
|
};
|
|
|
|
/**
|
|
* "clean" a getter/setter converted object into a plain
|
|
* object copy.
|
|
*
|
|
* @param {Object} - obj
|
|
* @return {Object}
|
|
*/
|
|
|
|
function clean(obj) {
|
|
return JSON.parse(JSON.stringify(obj));
|
|
}
|
|
}
|
|
|
|
function domAPI (Vue) {
|
|
/**
|
|
* Convenience on-instance nextTick. The callback is
|
|
* auto-bound to the instance, and this avoids component
|
|
* modules having to rely on the global Vue.
|
|
*
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
nextTick(fn, this);
|
|
};
|
|
|
|
/**
|
|
* Append instance to target
|
|
*
|
|
* @param {Node} target
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition] - defaults to true
|
|
*/
|
|
|
|
Vue.prototype.$appendTo = function (target, cb, withTransition) {
|
|
return insert(this, target, cb, withTransition, append, appendWithTransition);
|
|
};
|
|
|
|
/**
|
|
* Prepend instance to target
|
|
*
|
|
* @param {Node} target
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition] - defaults to true
|
|
*/
|
|
|
|
Vue.prototype.$prependTo = function (target, cb, withTransition) {
|
|
target = query(target);
|
|
if (target.hasChildNodes()) {
|
|
this.$before(target.firstChild, cb, withTransition);
|
|
} else {
|
|
this.$appendTo(target, cb, withTransition);
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Insert instance before target
|
|
*
|
|
* @param {Node} target
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition] - defaults to true
|
|
*/
|
|
|
|
Vue.prototype.$before = function (target, cb, withTransition) {
|
|
return insert(this, target, cb, withTransition, beforeWithCb, beforeWithTransition);
|
|
};
|
|
|
|
/**
|
|
* Insert instance after target
|
|
*
|
|
* @param {Node} target
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition] - defaults to true
|
|
*/
|
|
|
|
Vue.prototype.$after = function (target, cb, withTransition) {
|
|
target = query(target);
|
|
if (target.nextSibling) {
|
|
this.$before(target.nextSibling, cb, withTransition);
|
|
} else {
|
|
this.$appendTo(target.parentNode, cb, withTransition);
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Remove instance from DOM
|
|
*
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition] - defaults to true
|
|
*/
|
|
|
|
Vue.prototype.$remove = function (cb, withTransition) {
|
|
if (!this.$el.parentNode) {
|
|
return cb && cb();
|
|
}
|
|
var inDocument = this._isAttached && inDoc(this.$el);
|
|
// if we are not in document, no need to check
|
|
// for transitions
|
|
if (!inDocument) withTransition = false;
|
|
var self = this;
|
|
var realCb = function realCb() {
|
|
if (inDocument) self._callHook('detached');
|
|
if (cb) cb();
|
|
};
|
|
if (this._isFragment) {
|
|
removeNodeRange(this._fragmentStart, this._fragmentEnd, this, this._fragment, realCb);
|
|
} else {
|
|
var op = withTransition === false ? removeWithCb : removeWithTransition;
|
|
op(this.$el, this, realCb);
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Shared DOM insertion function.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {Element} target
|
|
* @param {Function} [cb]
|
|
* @param {Boolean} [withTransition]
|
|
* @param {Function} op1 - op for non-transition insert
|
|
* @param {Function} op2 - op for transition insert
|
|
* @return vm
|
|
*/
|
|
|
|
function insert(vm, target, cb, withTransition, op1, op2) {
|
|
target = query(target);
|
|
var targetIsDetached = !inDoc(target);
|
|
var op = withTransition === false || targetIsDetached ? op1 : op2;
|
|
var shouldCallHook = !targetIsDetached && !vm._isAttached && !inDoc(vm.$el);
|
|
if (vm._isFragment) {
|
|
mapNodeRange(vm._fragmentStart, vm._fragmentEnd, function (node) {
|
|
op(node, target, vm);
|
|
});
|
|
cb && cb();
|
|
} else {
|
|
op(vm.$el, target, vm, cb);
|
|
}
|
|
if (shouldCallHook) {
|
|
vm._callHook('attached');
|
|
}
|
|
return vm;
|
|
}
|
|
|
|
/**
|
|
* Check for selectors
|
|
*
|
|
* @param {String|Element} el
|
|
*/
|
|
|
|
function query(el) {
|
|
return typeof el === 'string' ? document.querySelector(el) : el;
|
|
}
|
|
|
|
/**
|
|
* Append operation that takes a callback.
|
|
*
|
|
* @param {Node} el
|
|
* @param {Node} target
|
|
* @param {Vue} vm - unused
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function append(el, target, vm, cb) {
|
|
target.appendChild(el);
|
|
if (cb) cb();
|
|
}
|
|
|
|
/**
|
|
* InsertBefore operation that takes a callback.
|
|
*
|
|
* @param {Node} el
|
|
* @param {Node} target
|
|
* @param {Vue} vm - unused
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function beforeWithCb(el, target, vm, cb) {
|
|
before(el, target);
|
|
if (cb) cb();
|
|
}
|
|
|
|
/**
|
|
* Remove operation that takes a callback.
|
|
*
|
|
* @param {Node} el
|
|
* @param {Vue} vm - unused
|
|
* @param {Function} [cb]
|
|
*/
|
|
|
|
function removeWithCb(el, vm, cb) {
|
|
remove(el);
|
|
if (cb) cb();
|
|
}
|
|
}
|
|
|
|
function eventsAPI (Vue) {
|
|
/**
|
|
* Listen on the given `event` with `fn`.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
Vue.prototype.$on = function (event, fn) {
|
|
(this._events[event] || (this._events[event] = [])).push(fn);
|
|
modifyListenerCount(this, event, 1);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Adds an `event` listener that will be invoked a single
|
|
* time then automatically removed.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var self = this;
|
|
function on() {
|
|
self.$off(event, on);
|
|
fn.apply(this, arguments);
|
|
}
|
|
on.fn = fn;
|
|
this.$on(event, on);
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Remove the given callback for `event` or all
|
|
* registered callbacks.
|
|
*
|
|
* @param {String} event
|
|
* @param {Function} fn
|
|
*/
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var cbs;
|
|
// all
|
|
if (!arguments.length) {
|
|
if (this.$parent) {
|
|
for (event in this._events) {
|
|
cbs = this._events[event];
|
|
if (cbs) {
|
|
modifyListenerCount(this, event, -cbs.length);
|
|
}
|
|
}
|
|
}
|
|
this._events = {};
|
|
return this;
|
|
}
|
|
// specific event
|
|
cbs = this._events[event];
|
|
if (!cbs) {
|
|
return this;
|
|
}
|
|
if (arguments.length === 1) {
|
|
modifyListenerCount(this, event, -cbs.length);
|
|
this._events[event] = null;
|
|
return this;
|
|
}
|
|
// specific handler
|
|
var cb;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
modifyListenerCount(this, event, -1);
|
|
cbs.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Trigger an event on self.
|
|
*
|
|
* @param {String|Object} event
|
|
* @return {Boolean} shouldPropagate
|
|
*/
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var isSource = typeof event === 'string';
|
|
event = isSource ? event : event.name;
|
|
var cbs = this._events[event];
|
|
var shouldPropagate = isSource || !cbs;
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
|
|
// this is a somewhat hacky solution to the question raised
|
|
// in #2102: for an inline component listener like <comp @test="doThis">,
|
|
// the propagation handling is somewhat broken. Therefore we
|
|
// need to treat these inline callbacks differently.
|
|
var hasParentCbs = isSource && cbs.some(function (cb) {
|
|
return cb._fromParent;
|
|
});
|
|
if (hasParentCbs) {
|
|
shouldPropagate = false;
|
|
}
|
|
var args = toArray(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
var cb = cbs[i];
|
|
var res = cb.apply(this, args);
|
|
if (res === true && (!hasParentCbs || cb._fromParent)) {
|
|
shouldPropagate = true;
|
|
}
|
|
}
|
|
}
|
|
return shouldPropagate;
|
|
};
|
|
|
|
/**
|
|
* Recursively broadcast an event to all children instances.
|
|
*
|
|
* @param {String|Object} event
|
|
* @param {...*} additional arguments
|
|
*/
|
|
|
|
Vue.prototype.$broadcast = function (event) {
|
|
var isSource = typeof event === 'string';
|
|
event = isSource ? event : event.name;
|
|
// if no child has registered for this event,
|
|
// then there's no need to broadcast.
|
|
if (!this._eventsCount[event]) return;
|
|
var children = this.$children;
|
|
var args = toArray(arguments);
|
|
if (isSource) {
|
|
// use object event to indicate non-source emit
|
|
// on children
|
|
args[0] = { name: event, source: this };
|
|
}
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
var child = children[i];
|
|
var shouldPropagate = child.$emit.apply(child, args);
|
|
if (shouldPropagate) {
|
|
child.$broadcast.apply(child, args);
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Recursively propagate an event up the parent chain.
|
|
*
|
|
* @param {String} event
|
|
* @param {...*} additional arguments
|
|
*/
|
|
|
|
Vue.prototype.$dispatch = function (event) {
|
|
var shouldPropagate = this.$emit.apply(this, arguments);
|
|
if (!shouldPropagate) return;
|
|
var parent = this.$parent;
|
|
var args = toArray(arguments);
|
|
// use object event to indicate non-source emit
|
|
// on parents
|
|
args[0] = { name: event, source: this };
|
|
while (parent) {
|
|
shouldPropagate = parent.$emit.apply(parent, args);
|
|
parent = shouldPropagate ? parent.$parent : null;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Modify the listener counts on all parents.
|
|
* This bookkeeping allows $broadcast to return early when
|
|
* no child has listened to a certain event.
|
|
*
|
|
* @param {Vue} vm
|
|
* @param {String} event
|
|
* @param {Number} count
|
|
*/
|
|
|
|
var hookRE = /^hook:/;
|
|
function modifyListenerCount(vm, event, count) {
|
|
var parent = vm.$parent;
|
|
// hooks do not get broadcasted so no need
|
|
// to do bookkeeping for them
|
|
if (!parent || !count || hookRE.test(event)) return;
|
|
while (parent) {
|
|
parent._eventsCount[event] = (parent._eventsCount[event] || 0) + count;
|
|
parent = parent.$parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
function lifecycleAPI (Vue) {
|
|
/**
|
|
* Set instance target element and kick off the compilation
|
|
* process. The passed in `el` can be a selector string, an
|
|
* existing Element, or a DocumentFragment (for block
|
|
* instances).
|
|
*
|
|
* @param {Element|DocumentFragment|string} el
|
|
* @public
|
|
*/
|
|
|
|
Vue.prototype.$mount = function (el) {
|
|
if (this._isCompiled) {
|
|
process.env.NODE_ENV !== 'production' && warn('$mount() should be called only once.', this);
|
|
return;
|
|
}
|
|
el = query(el);
|
|
if (!el) {
|
|
el = document.createElement('div');
|
|
}
|
|
this._compile(el);
|
|
this._initDOMHooks();
|
|
if (inDoc(this.$el)) {
|
|
this._callHook('attached');
|
|
ready.call(this);
|
|
} else {
|
|
this.$once('hook:attached', ready);
|
|
}
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Mark an instance as ready.
|
|
*/
|
|
|
|
function ready() {
|
|
this._isAttached = true;
|
|
this._isReady = true;
|
|
this._callHook('ready');
|
|
}
|
|
|
|
/**
|
|
* Teardown the instance, simply delegate to the internal
|
|
* _destroy.
|
|
*
|
|
* @param {Boolean} remove
|
|
* @param {Boolean} deferCleanup
|
|
*/
|
|
|
|
Vue.prototype.$destroy = function (remove, deferCleanup) {
|
|
this._destroy(remove, deferCleanup);
|
|
};
|
|
|
|
/**
|
|
* Partially compile a piece of DOM and return a
|
|
* decompile function.
|
|
*
|
|
* @param {Element|DocumentFragment} el
|
|
* @param {Vue} [host]
|
|
* @param {Object} [scope]
|
|
* @param {Fragment} [frag]
|
|
* @return {Function}
|
|
*/
|
|
|
|
Vue.prototype.$compile = function (el, host, scope, frag) {
|
|
return compile(el, this.$options, true)(this, el, host, scope, frag);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* The exposed Vue constructor.
|
|
*
|
|
* API conventions:
|
|
* - public API methods/properties are prefixed with `$`
|
|
* - internal methods/properties are prefixed with `_`
|
|
* - non-prefixed properties are assumed to be proxied user
|
|
* data.
|
|
*
|
|
* @constructor
|
|
* @param {Object} [options]
|
|
* @public
|
|
*/
|
|
|
|
function Vue(options) {
|
|
this._init(options);
|
|
}
|
|
|
|
// install internals
|
|
initMixin(Vue);
|
|
stateMixin(Vue);
|
|
eventsMixin(Vue);
|
|
lifecycleMixin(Vue);
|
|
miscMixin(Vue);
|
|
|
|
// install instance APIs
|
|
dataAPI(Vue);
|
|
domAPI(Vue);
|
|
eventsAPI(Vue);
|
|
lifecycleAPI(Vue);
|
|
|
|
var slot = {
|
|
|
|
priority: SLOT,
|
|
params: ['name'],
|
|
|
|
bind: function bind() {
|
|
// this was resolved during component transclusion
|
|
var name = this.params.name || 'default';
|
|
var content = this.vm._slotContents && this.vm._slotContents[name];
|
|
if (!content || !content.hasChildNodes()) {
|
|
this.fallback();
|
|
} else {
|
|
this.compile(content.cloneNode(true), this.vm._context, this.vm);
|
|
}
|
|
},
|
|
|
|
compile: function compile(content, context, host) {
|
|
if (content && context) {
|
|
if (this.el.hasChildNodes() && content.childNodes.length === 1 && content.childNodes[0].nodeType === 1 && content.childNodes[0].hasAttribute('v-if')) {
|
|
// if the inserted slot has v-if
|
|
// inject fallback content as the v-else
|
|
var elseBlock = document.createElement('template');
|
|
elseBlock.setAttribute('v-else', '');
|
|
elseBlock.innerHTML = this.el.innerHTML;
|
|
// the else block should be compiled in child scope
|
|
elseBlock._context = this.vm;
|
|
content.appendChild(elseBlock);
|
|
}
|
|
var scope = host ? host._scope : this._scope;
|
|
this.unlink = context.$compile(content, host, scope, this._frag);
|
|
}
|
|
if (content) {
|
|
replace(this.el, content);
|
|
} else {
|
|
remove(this.el);
|
|
}
|
|
},
|
|
|
|
fallback: function fallback() {
|
|
this.compile(extractContent(this.el, true), this.vm);
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
if (this.unlink) {
|
|
this.unlink();
|
|
}
|
|
}
|
|
};
|
|
|
|
var partial = {
|
|
|
|
priority: PARTIAL,
|
|
|
|
params: ['name'],
|
|
|
|
// watch changes to name for dynamic partials
|
|
paramWatchers: {
|
|
name: function name(value) {
|
|
vIf.remove.call(this);
|
|
if (value) {
|
|
this.insert(value);
|
|
}
|
|
}
|
|
},
|
|
|
|
bind: function bind() {
|
|
this.anchor = createAnchor('v-partial');
|
|
replace(this.el, this.anchor);
|
|
this.insert(this.params.name);
|
|
},
|
|
|
|
insert: function insert(id) {
|
|
var partial = resolveAsset(this.vm.$options, 'partials', id, true);
|
|
if (partial) {
|
|
this.factory = new FragmentFactory(this.vm, partial);
|
|
vIf.insert.call(this);
|
|
}
|
|
},
|
|
|
|
unbind: function unbind() {
|
|
if (this.frag) {
|
|
this.frag.destroy();
|
|
}
|
|
}
|
|
};
|
|
|
|
var elementDirectives = {
|
|
slot: slot,
|
|
partial: partial
|
|
};
|
|
|
|
var convertArray = vFor._postProcess;
|
|
|
|
/**
|
|
* Limit filter for arrays
|
|
*
|
|
* @param {Number} n
|
|
* @param {Number} offset (Decimal expected)
|
|
*/
|
|
|
|
function limitBy(arr, n, offset) {
|
|
offset = offset ? parseInt(offset, 10) : 0;
|
|
n = toNumber(n);
|
|
return typeof n === 'number' ? arr.slice(offset, offset + n) : arr;
|
|
}
|
|
|
|
/**
|
|
* Filter filter for arrays
|
|
*
|
|
* @param {String} search
|
|
* @param {String} [delimiter]
|
|
* @param {String} ...dataKeys
|
|
*/
|
|
|
|
function filterBy(arr, search, delimiter) {
|
|
arr = convertArray(arr);
|
|
if (search == null) {
|
|
return arr;
|
|
}
|
|
if (typeof search === 'function') {
|
|
return arr.filter(search);
|
|
}
|
|
// cast to lowercase string
|
|
search = ('' + search).toLowerCase();
|
|
// allow optional `in` delimiter
|
|
// because why not
|
|
var n = delimiter === 'in' ? 3 : 2;
|
|
// extract and flatten keys
|
|
var keys = Array.prototype.concat.apply([], toArray(arguments, n));
|
|
var res = [];
|
|
var item, key, val, j;
|
|
for (var i = 0, l = arr.length; i < l; i++) {
|
|
item = arr[i];
|
|
val = item && item.$value || item;
|
|
j = keys.length;
|
|
if (j) {
|
|
while (j--) {
|
|
key = keys[j];
|
|
if (key === '$key' && contains(item.$key, search) || contains(getPath(val, key), search)) {
|
|
res.push(item);
|
|
break;
|
|
}
|
|
}
|
|
} else if (contains(item, search)) {
|
|
res.push(item);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Filter filter for arrays
|
|
*
|
|
* @param {String|Array<String>|Function} ...sortKeys
|
|
* @param {Number} [order]
|
|
*/
|
|
|
|
function orderBy(arr) {
|
|
var comparator = null;
|
|
var sortKeys = undefined;
|
|
arr = convertArray(arr);
|
|
|
|
// determine order (last argument)
|
|
var args = toArray(arguments, 1);
|
|
var order = args[args.length - 1];
|
|
if (typeof order === 'number') {
|
|
order = order < 0 ? -1 : 1;
|
|
args = args.length > 1 ? args.slice(0, -1) : args;
|
|
} else {
|
|
order = 1;
|
|
}
|
|
|
|
// determine sortKeys & comparator
|
|
var firstArg = args[0];
|
|
if (!firstArg) {
|
|
return arr;
|
|
} else if (typeof firstArg === 'function') {
|
|
// custom comparator
|
|
comparator = function (a, b) {
|
|
return firstArg(a, b) * order;
|
|
};
|
|
} else {
|
|
// string keys. flatten first
|
|
sortKeys = Array.prototype.concat.apply([], args);
|
|
comparator = function (a, b, i) {
|
|
i = i || 0;
|
|
return i >= sortKeys.length - 1 ? baseCompare(a, b, i) : baseCompare(a, b, i) || comparator(a, b, i + 1);
|
|
};
|
|
}
|
|
|
|
function baseCompare(a, b, sortKeyIndex) {
|
|
var sortKey = sortKeys[sortKeyIndex];
|
|
if (sortKey) {
|
|
if (sortKey !== '$key') {
|
|
if (isObject(a) && '$value' in a) a = a.$value;
|
|
if (isObject(b) && '$value' in b) b = b.$value;
|
|
}
|
|
a = isObject(a) ? getPath(a, sortKey) : a;
|
|
b = isObject(b) ? getPath(b, sortKey) : b;
|
|
}
|
|
return a === b ? 0 : a > b ? order : -order;
|
|
}
|
|
|
|
// sort on a copy to avoid mutating original array
|
|
return arr.slice().sort(comparator);
|
|
}
|
|
|
|
/**
|
|
* String contain helper
|
|
*
|
|
* @param {*} val
|
|
* @param {String} search
|
|
*/
|
|
|
|
function contains(val, search) {
|
|
var i;
|
|
if (isPlainObject(val)) {
|
|
var keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) {
|
|
if (contains(val[keys[i]], search)) {
|
|
return true;
|
|
}
|
|
}
|
|
} else if (isArray(val)) {
|
|
i = val.length;
|
|
while (i--) {
|
|
if (contains(val[i], search)) {
|
|
return true;
|
|
}
|
|
}
|
|
} else if (val != null) {
|
|
return val.toString().toLowerCase().indexOf(search) > -1;
|
|
}
|
|
}
|
|
|
|
var digitsRE = /(\d{3})(?=\d)/g;
|
|
|
|
// asset collections must be a plain object.
|
|
var filters = {
|
|
|
|
orderBy: orderBy,
|
|
filterBy: filterBy,
|
|
limitBy: limitBy,
|
|
|
|
/**
|
|
* Stringify value.
|
|
*
|
|
* @param {Number} indent
|
|
*/
|
|
|
|
json: {
|
|
read: function read(value, indent) {
|
|
return typeof value === 'string' ? value : JSON.stringify(value, null, Number(indent) || 2);
|
|
},
|
|
write: function write(value) {
|
|
try {
|
|
return JSON.parse(value);
|
|
} catch (e) {
|
|
return value;
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 'abc' => 'Abc'
|
|
*/
|
|
|
|
capitalize: function capitalize(value) {
|
|
if (!value && value !== 0) return '';
|
|
value = value.toString();
|
|
return value.charAt(0).toUpperCase() + value.slice(1);
|
|
},
|
|
|
|
/**
|
|
* 'abc' => 'ABC'
|
|
*/
|
|
|
|
uppercase: function uppercase(value) {
|
|
return value || value === 0 ? value.toString().toUpperCase() : '';
|
|
},
|
|
|
|
/**
|
|
* 'AbC' => 'abc'
|
|
*/
|
|
|
|
lowercase: function lowercase(value) {
|
|
return value || value === 0 ? value.toString().toLowerCase() : '';
|
|
},
|
|
|
|
/**
|
|
* 12345 => $12,345.00
|
|
*
|
|
* @param {String} sign
|
|
* @param {Number} decimals Decimal places
|
|
*/
|
|
|
|
currency: function currency(value, _currency, decimals) {
|
|
value = parseFloat(value);
|
|
if (!isFinite(value) || !value && value !== 0) return '';
|
|
_currency = _currency != null ? _currency : '$';
|
|
decimals = decimals != null ? decimals : 2;
|
|
var stringified = Math.abs(value).toFixed(decimals);
|
|
var _int = decimals ? stringified.slice(0, -1 - decimals) : stringified;
|
|
var i = _int.length % 3;
|
|
var head = i > 0 ? _int.slice(0, i) + (_int.length > 3 ? ',' : '') : '';
|
|
var _float = decimals ? stringified.slice(-1 - decimals) : '';
|
|
var sign = value < 0 ? '-' : '';
|
|
return sign + _currency + head + _int.slice(i).replace(digitsRE, '$1,') + _float;
|
|
},
|
|
|
|
/**
|
|
* 'item' => 'items'
|
|
*
|
|
* @params
|
|
* an array of strings corresponding to
|
|
* the single, double, triple ... forms of the word to
|
|
* be pluralized. When the number to be pluralized
|
|
* exceeds the length of the args, it will use the last
|
|
* entry in the array.
|
|
*
|
|
* e.g. ['single', 'double', 'triple', 'multiple']
|
|
*/
|
|
|
|
pluralize: function pluralize(value) {
|
|
var args = toArray(arguments, 1);
|
|
return args.length > 1 ? args[value % 10 - 1] || args[args.length - 1] : args[0] + (value === 1 ? '' : 's');
|
|
},
|
|
|
|
/**
|
|
* Debounce a handler function.
|
|
*
|
|
* @param {Function} handler
|
|
* @param {Number} delay = 300
|
|
* @return {Function}
|
|
*/
|
|
|
|
debounce: function debounce(handler, delay) {
|
|
if (!handler) return;
|
|
if (!delay) {
|
|
delay = 300;
|
|
}
|
|
return _debounce(handler, delay);
|
|
}
|
|
};
|
|
|
|
function installGlobalAPI (Vue) {
|
|
/**
|
|
* Vue and every constructor that extends Vue has an
|
|
* associated options object, which can be accessed during
|
|
* compilation steps as `this.constructor.options`.
|
|
*
|
|
* These can be seen as the default options of every
|
|
* Vue instance.
|
|
*/
|
|
|
|
Vue.options = {
|
|
directives: directives,
|
|
elementDirectives: elementDirectives,
|
|
filters: filters,
|
|
transitions: {},
|
|
components: {},
|
|
partials: {},
|
|
replace: true
|
|
};
|
|
|
|
/**
|
|
* Expose useful internals
|
|
*/
|
|
|
|
Vue.util = util;
|
|
Vue.config = config;
|
|
Vue.set = set;
|
|
Vue['delete'] = del;
|
|
Vue.nextTick = nextTick;
|
|
|
|
/**
|
|
* The following are exposed for advanced usage / plugins
|
|
*/
|
|
|
|
Vue.compiler = compiler;
|
|
Vue.FragmentFactory = FragmentFactory;
|
|
Vue.internalDirectives = internalDirectives;
|
|
Vue.parsers = {
|
|
path: path,
|
|
text: text,
|
|
template: template,
|
|
directive: directive,
|
|
expression: expression
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* @param {Object} extendOptions
|
|
*/
|
|
|
|
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 = createClass(name || 'VueComponent');
|
|
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;
|
|
}
|
|
// cache constructor
|
|
if (isFirstExtend) {
|
|
extendOptions._Ctor = Sub;
|
|
}
|
|
return Sub;
|
|
};
|
|
|
|
/**
|
|
* A function that returns a sub-class constructor with the
|
|
* given name. This gives us much nicer output when
|
|
* logging instances in the console.
|
|
*
|
|
* @param {String} name
|
|
* @return {Function}
|
|
*/
|
|
|
|
function createClass(name) {
|
|
/* eslint-disable no-new-func */
|
|
return new Function('return function ' + classify(name) + ' (options) { this._init(options) }')();
|
|
/* eslint-enable no-new-func */
|
|
}
|
|
|
|
/**
|
|
* Plugin system
|
|
*
|
|
* @param {Object} plugin
|
|
*/
|
|
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* Apply a global mixin by merging it into the default
|
|
* options.
|
|
*/
|
|
|
|
Vue.mixin = function (mixin) {
|
|
Vue.options = mergeOptions(Vue.options, mixin);
|
|
};
|
|
|
|
/**
|
|
* Create asset registration methods with the following
|
|
* signature:
|
|
*
|
|
* @param {String} id
|
|
* @param {*} definition
|
|
*/
|
|
|
|
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' && (commonTagRE.test(id) || reservedTagRE.test(id))) {
|
|
warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + id);
|
|
}
|
|
}
|
|
if (type === 'component' && isPlainObject(definition)) {
|
|
definition.name = id;
|
|
definition = Vue.extend(definition);
|
|
}
|
|
this.options[type + 's'][id] = definition;
|
|
return definition;
|
|
}
|
|
};
|
|
});
|
|
|
|
// expose internal transition API
|
|
extend(Vue.transition, transition);
|
|
}
|
|
|
|
installGlobalAPI(Vue);
|
|
|
|
Vue.version = '1.0.24';
|
|
|
|
// 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; |