mirror of https://github.com/vuejs/vue.git
3158 lines
85 KiB
JavaScript
3158 lines
85 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
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var stream = require('stream');
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var stream__default = _interopDefault(stream);
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var entities = require('entities');
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var LRU = _interopDefault(require('lru-cache'));
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var NativeModule = _interopDefault(require('module'));
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var vm = _interopDefault(require('vm'));
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var MAX_STACK_DEPTH = 1000;
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function createWriteFunction(write, onError) {
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var stackDepth = 0;
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var cachedWrite = function cachedWrite(text, next) {
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if (text && cachedWrite.caching) {
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cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
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}
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var waitForNext = write(text, next);
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if (!waitForNext) {
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if (stackDepth >= MAX_STACK_DEPTH) {
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process.nextTick(function () {
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try {
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next();
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} catch (e) {
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onError(e);
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}
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});
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} else {
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stackDepth++;
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next();
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stackDepth--;
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}
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}
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};
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cachedWrite.caching = false;
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cachedWrite.cacheBuffer = [];
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return cachedWrite;
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}
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var inherits = function (subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
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};
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var possibleConstructorReturn = function (self, call) {
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if (!self) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return call && (typeof call === "object" || typeof call === "function") ? call : self;
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};
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/**
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* Original RenderStream implmentation by Sasha Aickin (@aickin)
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* Licensed under the Apache License, Version 2.0
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* Modified by Evan You (@yyx990803)
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*/
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var RenderStream = function (_stream$Readable) {
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inherits(RenderStream, _stream$Readable);
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function RenderStream(render) {
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var _this = possibleConstructorReturn(this, _stream$Readable.call(this));
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_this.buffer = '';
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_this.render = render;
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_this.expectedSize = 0;
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_this.stackDepth = 0;
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_this.write = createWriteFunction(function (text, next) {
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var n = _this.expectedSize;
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_this.buffer += text;
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if (_this.buffer.length >= n) {
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_this.next = next;
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_this.pushBySize(n);
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return true; // we will decide when to call next
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}
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}, function (err) {
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_this.emit('error', err);
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});
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_this.end = function () {
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// the rendering is finished; we should push out the last of the buffer.
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_this.done = true;
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_this.push(_this.buffer);
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};
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return _this;
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}
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RenderStream.prototype.pushBySize = function pushBySize(n) {
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var bufferToPush = this.buffer.substring(0, n);
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this.buffer = this.buffer.substring(n);
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this.push(bufferToPush);
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};
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RenderStream.prototype.tryRender = function tryRender() {
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try {
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this.render(this.write, this.end);
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} catch (e) {
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this.emit('error', e);
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}
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};
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RenderStream.prototype.tryNext = function tryNext() {
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try {
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this.next();
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} catch (e) {
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this.emit('error', e);
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}
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};
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RenderStream.prototype._read = function _read(n) {
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this.expectedSize = n;
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// it's possible that the last chunk added bumped the buffer up to > 2 * n,
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// which means we will need to go through multiple read calls to drain it
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// down to < n.
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if (this.done) {
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this.push(null);
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return;
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}
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if (this.buffer.length >= n) {
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this.pushBySize(n);
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return;
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}
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if (!this.next) {
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// start the rendering chain.
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this.tryRender();
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} else {
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// continue with the rendering.
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this.tryNext();
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}
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};
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return RenderStream;
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}(stream__default.Readable);
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/**
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* Convert a value to a string that is actually rendered.
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*/
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function _toString(val) {
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return val == null ? '' : typeof val === 'object' ? JSON.stringify(val, null, 2) : String(val);
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}
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/**
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* Convert a input value to a number for persistence.
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* If the conversion fails, return original string.
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*/
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function toNumber(val) {
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var n = parseFloat(val, 10);
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return n || n === 0 ? n : val;
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}
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/**
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* Make a map and return a function for checking if a key
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* is in that map.
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*/
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function makeMap(str, expectsLowerCase) {
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var map = Object.create(null);
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var list = str.split(',');
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for (var i = 0; i < list.length; i++) {
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map[list[i]] = true;
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}
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return expectsLowerCase ? function (val) {
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return map[val.toLowerCase()];
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} : function (val) {
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return map[val];
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};
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}
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/**
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* Check if a tag is a built-in tag.
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*/
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var isBuiltInTag = makeMap('slot,component,render,transition', true);
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/**
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* Remove an item from an array
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*/
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function remove(arr, item) {
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if (arr.length) {
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var index = arr.indexOf(item);
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if (index > -1) {
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return arr.splice(index, 1);
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}
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}
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}
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/**
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* Check whether the object has the property.
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*/
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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function hasOwn(obj, key) {
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return hasOwnProperty.call(obj, key);
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}
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/**
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* Check if value is primitive
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*/
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function isPrimitive(value) {
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return typeof value === 'string' || typeof value === 'number';
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}
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/**
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* Create a cached version of a pure function.
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*/
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function cached(fn) {
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var cache = Object.create(null);
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return function cachedFn(str) {
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var hit = cache[str];
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return hit || (cache[str] = fn(str));
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};
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}
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/**
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* Camelize a hyphen-delmited string.
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*/
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var camelizeRE = /-(\w)/g;
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var camelize = cached(function (str) {
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return str.replace(camelizeRE, function (_, c) {
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return c ? c.toUpperCase() : '';
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});
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});
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/**
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* Capitalize a string.
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*/
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var capitalize = cached(function (str) {
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return str.charAt(0).toUpperCase() + str.slice(1);
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});
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/**
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* Hyphenate a camelCase string.
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*/
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var hyphenateRE = /([a-z\d])([A-Z])/g;
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var hyphenate = cached(function (str) {
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return str.replace(hyphenateRE, '$1-$2').toLowerCase();
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});
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/**
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* Simple bind, faster than native
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*/
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function bind(fn, ctx) {
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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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function toArray$1(list, start) {
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start = start || 0;
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var i = list.length - start;
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var ret = new Array(i);
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while (i--) {
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ret[i] = list[i + start];
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}
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return ret;
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}
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/**
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* Mix properties into target object.
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*/
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function extend(to, _from) {
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for (var _key in _from) {
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to[_key] = _from[_key];
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}
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return to;
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}
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/**
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* Quick object check - this is primarily used to tell
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* Objects from primitive values when we know the value
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* is a JSON-compliant type.
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*/
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function isObject(obj) {
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return obj !== null && typeof obj === 'object';
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}
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/**
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* Strict object type check. Only returns true
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* for plain JavaScript objects.
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*/
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var toString = Object.prototype.toString;
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var OBJECT_STRING = '[object Object]';
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function isPlainObject(obj) {
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return toString.call(obj) === OBJECT_STRING;
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}
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/**
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* Merge an Array of Objects into a single Object.
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*/
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function toObject(arr) {
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var res = arr[0] || {};
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for (var i = 1; i < arr.length; i++) {
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if (arr[i]) {
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extend(res, arr[i]);
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}
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}
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return res;
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}
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/**
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* Perform no operation.
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*/
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function noop() {}
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/**
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* Always return false.
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*/
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var no = function no() {
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return false;
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};
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/**
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* Check if a string starts with $ or _
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*/
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function isReserved(str) {
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var c = (str + '').charCodeAt(0);
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return c === 0x24 || c === 0x5F;
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}
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/**
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* Define a property.
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*/
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function def(obj, key, val, enumerable) {
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Object.defineProperty(obj, key, {
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value: val,
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enumerable: !!enumerable,
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writable: true,
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configurable: true
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});
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}
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/**
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* Parse simple path.
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*/
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var bailRE = /[^\w\.]/;
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function parsePath(path) {
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if (bailRE.test(path)) {
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return;
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} else {
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var _ret = function () {
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var segments = path.split('.');
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return {
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v: function v(obj) {
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for (var i = 0; i < segments.length; i++) {
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if (!obj) return;
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obj = obj[segments[i]];
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}
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return obj;
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}
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};
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}();
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if (typeof _ret === "object") return _ret.v;
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}
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}
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/* global MutationObserver */
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// can we use __proto__?
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var hasProto = '__proto__' in {};
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// Browser environment sniffing
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var inBrowser = typeof window !== 'undefined' && Object.prototype.toString.call(window) !== '[object Object]';
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// detect devtools
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var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
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// UA sniffing for working around browser-specific quirks
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var UA = inBrowser && window.navigator.userAgent.toLowerCase();
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var isIos = UA && /(iphone|ipad|ipod|ios)/i.test(UA);
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var iosVersionMatch = UA && isIos && UA.match(/os ([\d_]+)/);
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var iosVersion = iosVersionMatch && iosVersionMatch[1].split('_');
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// MutationObserver is unreliable in iOS 9.3 UIWebView
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// detecting it by checking presence of IndexedDB
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// ref #3027
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var hasMutationObserverBug = iosVersion && Number(iosVersion[0]) >= 9 && Number(iosVersion[1]) >= 3 && !window.indexedDB;
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/**
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* Defer a task to execute it asynchronously. Ideally this
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* should be executed as a microtask, so we leverage
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* MutationObserver if it's available, and fallback to
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* setTimeout(0).
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*
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* @param {Function} cb
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* @param {Object} ctx
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*/
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var nextTick = function () {
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var callbacks = [];
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var pending = false;
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var timerFunc = void 0;
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function nextTickHandler() {
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pending = false;
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var copies = callbacks.slice(0);
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callbacks = [];
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for (var i = 0; i < copies.length; i++) {
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copies[i]();
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}
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}
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/* istanbul ignore else */
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if (typeof MutationObserver !== 'undefined' && !hasMutationObserverBug) {
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(function () {
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var counter = 1;
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var observer = new MutationObserver(nextTickHandler);
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var textNode = document.createTextNode(String(counter));
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observer.observe(textNode, {
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characterData: true
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});
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timerFunc = function timerFunc() {
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counter = (counter + 1) % 2;
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textNode.data = String(counter);
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};
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})();
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} else {
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// webpack attempts to inject a shim for setImmediate
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// if it is used as a global, so we have to work around that to
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// avoid bundling unnecessary code.
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var context = inBrowser ? window : typeof global !== 'undefined' ? global : {};
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timerFunc = context.setImmediate || setTimeout;
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}
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return function (cb, ctx) {
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var func = ctx ? function () {
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cb.call(ctx);
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} : cb;
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callbacks.push(func);
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if (pending) return;
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pending = true;
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timerFunc(nextTickHandler, 0);
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};
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}();
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var _Set = void 0;
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/* istanbul ignore if */
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if (typeof Set !== 'undefined' && /native code/.test(Set.toString())) {
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// use native Set when available.
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_Set = Set;
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} else {
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// a non-standard Set polyfill that only works with primitive keys.
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_Set = function () {
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function Set() {
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this.set = Object.create(null);
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}
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Set.prototype.has = function has(key) {
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return this.set[key] !== undefined;
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};
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Set.prototype.add = function add(key) {
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this.set[key] = 1;
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};
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Set.prototype.clear = function clear() {
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this.set = Object.create(null);
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};
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return Set;
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}();
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}
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var config = {
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/**
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* Option merge strategies (used in core/util/options)
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*/
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optionMergeStrategies: Object.create(null),
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/**
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* Whether to suppress warnings.
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*/
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silent: false,
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/**
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* Whether to enable devtools
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*/
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devtools: process.env.NODE_ENV !== 'production',
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|
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/**
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* Error handler for watcher errors
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*/
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errorHandler: null,
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|
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/**
|
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* Ignore certain custom elements
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*/
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ignoredElements: null,
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/**
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* Custom user key aliases for v-on
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|
*/
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keyCodes: Object.create(null),
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/**
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|
* Check if a tag is reserved so that it cannot be registered as a
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* component. This is platform-dependent and may be overwritten.
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*/
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isReservedTag: no,
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/**
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* Check if a tag is an unknown element.
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|
* Platform-dependent.
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*/
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|
isUnknownElement: no,
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|
/**
|
|
* Get the namespace of an element
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|
*/
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getTagNamespace: noop,
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|
|
|
/**
|
|
* Check if an attribute must be bound using property, e.g. value
|
|
* Platform-dependent.
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|
*/
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|
mustUseProp: no,
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|
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/**
|
|
* List of asset types that a component can own.
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|
*/
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|
_assetTypes: ['component', 'directive', 'transition', 'filter'],
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|
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/**
|
|
* List of lifecycle hooks.
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|
*/
|
|
_lifecycleHooks: ['beforeCreate', 'created', 'beforeMount', 'mounted', 'beforeUpdate', 'updated', 'beforeDestroy', 'destroyed', 'activated', 'deactivated'],
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|
|
/**
|
|
* Max circular updates allowed in a scheduler flush cycle.
|
|
*/
|
|
_maxUpdateCount: 100,
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|
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/**
|
|
* Server rendering?
|
|
*/
|
|
_isServer: process.env.VUE_ENV === 'server'
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|
};
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|
|
|
var warn = void 0;
|
|
var formatComponentName = void 0;
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|
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(function () {
|
|
var hasConsole = typeof console !== 'undefined';
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|
|
|
warn = function warn(msg, vm) {
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|
if (hasConsole && !config.silent) {
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console.error('[Vue warn]: ' + msg + (vm ? formatComponentName(vm) : ''));
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}
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|
};
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|
|
|
formatComponentName = function formatComponentName(vm) {
|
|
if (vm.$root === vm) {
|
|
return ' (found in root instance)';
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|
}
|
|
var name = vm._isVue ? vm.$options.name || vm.$options._componentTag : vm.name;
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|
return name ? ' (found in component: <' + hyphenate(name) + '>)' : ' (found in anonymous component. Use the "name" option for better debugging messages)';
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|
};
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|
})();
|
|
}
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|
|
|
var uid$1 = 0;
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|
|
|
/**
|
|
* A dep is an observable that can have multiple
|
|
* directives subscribing to it.
|
|
*/
|
|
|
|
var Dep = function () {
|
|
function Dep() {
|
|
this.id = uid$1++;
|
|
this.subs = [];
|
|
}
|
|
|
|
Dep.prototype.addSub = function addSub(sub) {
|
|
this.subs.push(sub);
|
|
};
|
|
|
|
Dep.prototype.removeSub = function removeSub(sub) {
|
|
remove(this.subs, sub);
|
|
};
|
|
|
|
Dep.prototype.depend = function depend() {
|
|
if (Dep.target) {
|
|
Dep.target.addDep(this);
|
|
}
|
|
};
|
|
|
|
Dep.prototype.notify = function notify() {
|
|
// stablize the subscriber list first
|
|
var subs = this.subs.slice();
|
|
for (var i = 0, l = subs.length; i < l; i++) {
|
|
subs[i].update();
|
|
}
|
|
};
|
|
|
|
return Dep;
|
|
}();
|
|
|
|
Dep.target = null;
|
|
var targetStack = [];
|
|
|
|
function pushTarget(_target) {
|
|
if (Dep.target) targetStack.push(Dep.target);
|
|
Dep.target = _target;
|
|
}
|
|
|
|
function popTarget() {
|
|
Dep.target = targetStack.pop();
|
|
}
|
|
|
|
var arrayProto = Array.prototype;
|
|
var arrayMethods = Object.create(arrayProto)
|
|
|
|
/**
|
|
* Intercept mutating methods and emit events
|
|
*/
|
|
;['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'].forEach(function (method) {
|
|
// cache original method
|
|
var original = arrayProto[method];
|
|
def(arrayMethods, method, function mutator() {
|
|
// avoid leaking arguments:
|
|
// http://jsperf.com/closure-with-arguments
|
|
var i = arguments.length;
|
|
var args = new Array(i);
|
|
while (i--) {
|
|
args[i] = arguments[i];
|
|
}
|
|
var result = original.apply(this, args);
|
|
var ob = this.__ob__;
|
|
var inserted = void 0;
|
|
switch (method) {
|
|
case 'push':
|
|
inserted = args;
|
|
break;
|
|
case 'unshift':
|
|
inserted = args;
|
|
break;
|
|
case 'splice':
|
|
inserted = args.slice(2);
|
|
break;
|
|
}
|
|
if (inserted) ob.observeArray(inserted);
|
|
// notify change
|
|
ob.dep.notify();
|
|
return result;
|
|
});
|
|
});
|
|
|
|
var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
|
|
|
|
/**
|
|
* By default, when a reactive property is set, the new value is
|
|
* also converted to become reactive. However when passing down props,
|
|
* we don't want to force conversion because the value may be a nested value
|
|
* under a frozen data structure. Converting it would defeat the optimization.
|
|
*/
|
|
var observerState = {
|
|
shouldConvert: true,
|
|
isSettingProps: false
|
|
};
|
|
|
|
/**
|
|
* Observer class that are attached to each observed
|
|
* object. Once attached, the observer converts target
|
|
* object's property keys into getter/setters that
|
|
* collect dependencies and dispatches updates.
|
|
*/
|
|
var Observer = function () {
|
|
// number of vms that has this object as root $data
|
|
|
|
function Observer(value) {
|
|
this.value = value;
|
|
this.dep = new Dep();
|
|
this.vmCount = 0;
|
|
def(value, '__ob__', this);
|
|
if (Array.isArray(value)) {
|
|
var augment = hasProto ? protoAugment : copyAugment;
|
|
augment(value, arrayMethods, arrayKeys);
|
|
this.observeArray(value);
|
|
} else {
|
|
this.walk(value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Walk through each property and convert them into
|
|
* getter/setters. This method should only be called when
|
|
* value type is Object.
|
|
*/
|
|
|
|
|
|
Observer.prototype.walk = function walk(obj) {
|
|
var val = this.value;
|
|
for (var key in obj) {
|
|
defineReactive(val, key, obj[key]);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Observe a list of Array items.
|
|
*/
|
|
|
|
|
|
Observer.prototype.observeArray = function observeArray(items) {
|
|
for (var i = 0, l = items.length; i < l; i++) {
|
|
observe(items[i]);
|
|
}
|
|
};
|
|
|
|
return Observer;
|
|
}();
|
|
|
|
// helpers
|
|
|
|
/**
|
|
* Augment an target Object or Array by intercepting
|
|
* the prototype chain using __proto__
|
|
*/
|
|
function protoAugment(target, src) {
|
|
/* eslint-disable no-proto */
|
|
target.__proto__ = src;
|
|
/* eslint-enable no-proto */
|
|
}
|
|
|
|
/**
|
|
* Augment an target Object or Array by defining
|
|
* hidden properties.
|
|
*
|
|
* istanbul ignore next
|
|
*/
|
|
function copyAugment(target, src, keys) {
|
|
for (var i = 0, l = keys.length; i < l; i++) {
|
|
var key = keys[i];
|
|
def(target, key, src[key]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempt to create an observer instance for a value,
|
|
* returns the new observer if successfully observed,
|
|
* or the existing observer if the value already has one.
|
|
*/
|
|
function observe(value) {
|
|
if (!isObject(value)) {
|
|
return;
|
|
}
|
|
var ob = void 0;
|
|
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
|
|
ob = value.__ob__;
|
|
} else if (observerState.shouldConvert && !config._isServer && (Array.isArray(value) || isPlainObject(value)) && Object.isExtensible(value) && !value._isVue) {
|
|
ob = new Observer(value);
|
|
}
|
|
return ob;
|
|
}
|
|
|
|
/**
|
|
* Define a reactive property on an Object.
|
|
*/
|
|
function defineReactive(obj, key, val, customSetter) {
|
|
var dep = new Dep();
|
|
|
|
var property = Object.getOwnPropertyDescriptor(obj, key);
|
|
if (property && property.configurable === false) {
|
|
return;
|
|
}
|
|
|
|
// cater for pre-defined getter/setters
|
|
var getter = property && property.get;
|
|
var setter = property && property.set;
|
|
|
|
var childOb = observe(val);
|
|
Object.defineProperty(obj, key, {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: function reactiveGetter() {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (Dep.target) {
|
|
dep.depend();
|
|
if (childOb) {
|
|
childOb.dep.depend();
|
|
}
|
|
if (Array.isArray(value)) {
|
|
for (var e, i = 0, l = value.length; i < l; i++) {
|
|
e = value[i];
|
|
e && e.__ob__ && e.__ob__.dep.depend();
|
|
}
|
|
}
|
|
}
|
|
return value;
|
|
},
|
|
set: function reactiveSetter(newVal) {
|
|
var value = getter ? getter.call(obj) : val;
|
|
if (newVal === value) {
|
|
return;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production' && customSetter) {
|
|
customSetter();
|
|
}
|
|
if (setter) {
|
|
setter.call(obj, newVal);
|
|
} else {
|
|
val = newVal;
|
|
}
|
|
childOb = observe(newVal);
|
|
dep.notify();
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Set a property on an object. Adds the new property and
|
|
* triggers change notification if the property doesn't
|
|
* already exist.
|
|
*/
|
|
function set$1(obj, key, val) {
|
|
if (Array.isArray(obj)) {
|
|
obj.splice(key, 1, val);
|
|
return val;
|
|
}
|
|
if (hasOwn(obj, key)) {
|
|
obj[key] = val;
|
|
return;
|
|
}
|
|
var ob = obj.__ob__;
|
|
if (obj._isVue || ob && ob.vmCount) {
|
|
process.env.NODE_ENV !== 'production' && warn('Avoid adding reactive properties to a Vue instance or its root $data ' + 'at runtime - delcare it upfront in the data option.');
|
|
return;
|
|
}
|
|
if (!ob) {
|
|
obj[key] = val;
|
|
return;
|
|
}
|
|
defineReactive(ob.value, key, val);
|
|
ob.dep.notify();
|
|
return val;
|
|
}
|
|
|
|
/**
|
|
* Option overwriting strategies are functions that handle
|
|
* how to merge a parent option value and a child option
|
|
* value into the final value.
|
|
*/
|
|
var strats = config.optionMergeStrategies;
|
|
|
|
/**
|
|
* Options with restrictions
|
|
*/
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
strats.el = strats.propsData = function (parent, child, vm, key) {
|
|
if (!vm) {
|
|
warn('option "' + key + '" can only be used during instance ' + 'creation with the `new` keyword.');
|
|
}
|
|
return defaultStrat(parent, child);
|
|
};
|
|
|
|
strats.name = function (parent, child, vm) {
|
|
if (vm) {
|
|
warn('options "name" can only be used as a component definition option, ' + 'not during instance creation.');
|
|
}
|
|
return defaultStrat(parent, child);
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Helper that recursively merges two data objects together.
|
|
*/
|
|
function mergeData(to, from) {
|
|
var key = void 0,
|
|
toVal = void 0,
|
|
fromVal = void 0;
|
|
for (key in from) {
|
|
toVal = to[key];
|
|
fromVal = from[key];
|
|
if (!hasOwn(to, key)) {
|
|
set$1(to, key, fromVal);
|
|
} else if (isObject(toVal) && isObject(fromVal)) {
|
|
mergeData(toVal, fromVal);
|
|
}
|
|
}
|
|
return to;
|
|
}
|
|
|
|
/**
|
|
* Data
|
|
*/
|
|
strats.data = function (parentVal, childVal, vm) {
|
|
if (!vm) {
|
|
// in a Vue.extend merge, both should be functions
|
|
if (!childVal) {
|
|
return parentVal;
|
|
}
|
|
if (typeof childVal !== 'function') {
|
|
process.env.NODE_ENV !== 'production' && warn('The "data" option should be a function ' + 'that returns a per-instance value in component ' + 'definitions.', vm);
|
|
return parentVal;
|
|
}
|
|
if (!parentVal) {
|
|
return childVal;
|
|
}
|
|
// when parentVal & childVal are both present,
|
|
// we need to return a function that returns the
|
|
// merged result of both functions... no need to
|
|
// check if parentVal is a function here because
|
|
// it has to be a function to pass previous merges.
|
|
return function mergedDataFn() {
|
|
return mergeData(childVal.call(this), parentVal.call(this));
|
|
};
|
|
} else if (parentVal || childVal) {
|
|
return function mergedInstanceDataFn() {
|
|
// instance merge
|
|
var instanceData = typeof childVal === 'function' ? childVal.call(vm) : childVal;
|
|
var defaultData = typeof parentVal === 'function' ? parentVal.call(vm) : undefined;
|
|
if (instanceData) {
|
|
return mergeData(instanceData, defaultData);
|
|
} else {
|
|
return defaultData;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Hooks and param attributes are merged as arrays.
|
|
*/
|
|
function mergeHook$1(parentVal, childVal) {
|
|
return childVal ? parentVal ? parentVal.concat(childVal) : Array.isArray(childVal) ? childVal : [childVal] : parentVal;
|
|
}
|
|
|
|
config._lifecycleHooks.forEach(function (hook) {
|
|
strats[hook] = mergeHook$1;
|
|
});
|
|
|
|
/**
|
|
* Assets
|
|
*
|
|
* When a vm is present (instance creation), we need to do
|
|
* a three-way merge between constructor options, instance
|
|
* options and parent options.
|
|
*/
|
|
function mergeAssets(parentVal, childVal) {
|
|
var res = Object.create(parentVal || null);
|
|
return childVal ? extend(res, childVal) : res;
|
|
}
|
|
|
|
config._assetTypes.forEach(function (type) {
|
|
strats[type + 's'] = mergeAssets;
|
|
});
|
|
|
|
/**
|
|
* Watchers.
|
|
*
|
|
* Watchers hashes should not overwrite one
|
|
* another, so we merge them as arrays.
|
|
*/
|
|
strats.watch = function (parentVal, childVal) {
|
|
/* istanbul ignore if */
|
|
if (!childVal) return parentVal;
|
|
if (!parentVal) return childVal;
|
|
var ret = {};
|
|
extend(ret, parentVal);
|
|
for (var key in childVal) {
|
|
var parent = ret[key];
|
|
var child = childVal[key];
|
|
if (parent && !Array.isArray(parent)) {
|
|
parent = [parent];
|
|
}
|
|
ret[key] = parent ? parent.concat(child) : [child];
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Other object hashes.
|
|
*/
|
|
strats.props = strats.methods = strats.computed = function (parentVal, childVal) {
|
|
if (!childVal) return parentVal;
|
|
if (!parentVal) return childVal;
|
|
var ret = Object.create(null);
|
|
extend(ret, parentVal);
|
|
extend(ret, childVal);
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* Default strategy.
|
|
*/
|
|
var defaultStrat = function defaultStrat(parentVal, childVal) {
|
|
return childVal === undefined ? parentVal : childVal;
|
|
};
|
|
|
|
/**
|
|
* Make sure component options get converted to actual
|
|
* constructors.
|
|
*/
|
|
function normalizeComponents(options) {
|
|
if (options.components) {
|
|
var components = options.components;
|
|
var def = void 0;
|
|
for (var key in components) {
|
|
var lower = key.toLowerCase();
|
|
if (isBuiltInTag(lower) || config.isReservedTag(lower)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Do not use built-in or reserved HTML elements as component ' + 'id: ' + key);
|
|
continue;
|
|
}
|
|
def = components[key];
|
|
if (isPlainObject(def)) {
|
|
components[key] = Vue.extend(def);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure all props option syntax are normalized into the
|
|
* Object-based format.
|
|
*/
|
|
function normalizeProps(options) {
|
|
var props = options.props;
|
|
if (!props) return;
|
|
var res = {};
|
|
var i = void 0,
|
|
val = void 0,
|
|
name = void 0;
|
|
if (Array.isArray(props)) {
|
|
i = props.length;
|
|
while (i--) {
|
|
val = props[i];
|
|
if (typeof val === 'string') {
|
|
name = camelize(val);
|
|
res[name] = { type: null };
|
|
} else if (process.env.NODE_ENV !== 'production') {
|
|
warn('props must be strings when using array syntax.');
|
|
}
|
|
}
|
|
} else if (isPlainObject(props)) {
|
|
for (var key in props) {
|
|
val = props[key];
|
|
name = camelize(key);
|
|
res[name] = isPlainObject(val) ? val : { type: val };
|
|
}
|
|
}
|
|
options.props = res;
|
|
}
|
|
|
|
/**
|
|
* Normalize raw function directives into object format.
|
|
*/
|
|
function normalizeDirectives(options) {
|
|
var dirs = options.directives;
|
|
if (dirs) {
|
|
for (var key in dirs) {
|
|
var def = dirs[key];
|
|
if (typeof def === 'function') {
|
|
dirs[key] = { bind: def, update: def };
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Merge two option objects into a new one.
|
|
* Core utility used in both instantiation and inheritance.
|
|
*/
|
|
function mergeOptions(parent, child, vm) {
|
|
normalizeComponents(child);
|
|
normalizeProps(child);
|
|
normalizeDirectives(child);
|
|
var extendsFrom = child.extends;
|
|
if (extendsFrom) {
|
|
parent = typeof extendsFrom === 'function' ? mergeOptions(parent, extendsFrom.options, vm) : mergeOptions(parent, extendsFrom, vm);
|
|
}
|
|
if (child.mixins) {
|
|
for (var i = 0, l = child.mixins.length; i < l; i++) {
|
|
var mixin = child.mixins[i];
|
|
if (mixin.prototype instanceof Vue) {
|
|
mixin = mixin.options;
|
|
}
|
|
parent = mergeOptions(parent, mixin, vm);
|
|
}
|
|
}
|
|
var options = {};
|
|
var key = void 0;
|
|
for (key in parent) {
|
|
mergeField(key);
|
|
}
|
|
for (key in child) {
|
|
if (!hasOwn(parent, key)) {
|
|
mergeField(key);
|
|
}
|
|
}
|
|
function mergeField(key) {
|
|
var strat = strats[key] || defaultStrat;
|
|
options[key] = strat(parent[key], child[key], vm, key);
|
|
}
|
|
return options;
|
|
}
|
|
|
|
/**
|
|
* Resolve an asset.
|
|
* This function is used because child instances need access
|
|
* to assets defined in its ancestor chain.
|
|
*/
|
|
function resolveAsset(options, type, id, warnMissing) {
|
|
/* istanbul ignore if */
|
|
if (typeof id !== 'string') {
|
|
return;
|
|
}
|
|
var assets = options[type];
|
|
var res = assets[id] ||
|
|
// camelCase ID
|
|
assets[camelize(id)] ||
|
|
// Pascal Case ID
|
|
assets[capitalize(camelize(id))];
|
|
if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
|
|
warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function validateProp(vm, key, propsData) {
|
|
/* istanbul ignore if */
|
|
if (!vm.$options.props || !propsData) return;
|
|
var prop = vm.$options.props[key];
|
|
var absent = !hasOwn(propsData, key);
|
|
var value = propsData[key];
|
|
// handle boolean props
|
|
if (prop.type === Boolean) {
|
|
if (absent && !hasOwn(prop, 'default')) {
|
|
value = false;
|
|
} else if (value === '' || value === hyphenate(key)) {
|
|
value = true;
|
|
}
|
|
}
|
|
// check default value
|
|
if (value === undefined) {
|
|
value = getPropDefaultValue(vm, prop, key);
|
|
// since the default value is a fresh copy,
|
|
// make sure to observe it.
|
|
observerState.shouldConvert = true;
|
|
observe(value);
|
|
observerState.shouldConvert = false;
|
|
}
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
assertProp(prop, key, value, vm, absent);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* Get the default value of a prop.
|
|
*/
|
|
function getPropDefaultValue(vm, prop, name) {
|
|
// no default, return undefined
|
|
if (!hasOwn(prop, 'default')) {
|
|
return undefined;
|
|
}
|
|
var def = prop.default;
|
|
// warn against non-factory defaults for Object & Array
|
|
if (isObject(def)) {
|
|
process.env.NODE_ENV !== 'production' && warn('Invalid default value for prop "' + name + '": ' + 'Props with type Object/Array must use a factory function ' + 'to return the default value.', vm);
|
|
}
|
|
// call factory function for non-Function types
|
|
return typeof def === 'function' && prop.type !== Function ? def.call(vm) : def;
|
|
}
|
|
|
|
/**
|
|
* Assert whether a prop is valid.
|
|
*/
|
|
function assertProp(prop, name, value, vm, absent) {
|
|
if (prop.required && absent) {
|
|
warn('Missing required prop: "' + name + '"', vm);
|
|
return;
|
|
}
|
|
if (value == null && !prop.required) {
|
|
return;
|
|
}
|
|
var type = prop.type;
|
|
var valid = !type;
|
|
var expectedTypes = [];
|
|
if (type) {
|
|
if (!Array.isArray(type)) {
|
|
type = [type];
|
|
}
|
|
for (var i = 0; i < type.length && !valid; i++) {
|
|
var assertedType = assertType(value, type[i]);
|
|
expectedTypes.push(assertedType.expectedType);
|
|
valid = assertedType.valid;
|
|
}
|
|
}
|
|
if (!valid) {
|
|
warn('Invalid prop: type check failed for prop "' + name + '".' + ' Expected ' + expectedTypes.map(capitalize).join(', ') + ', got ' + Object.prototype.toString.call(value).slice(8, -1) + '.', vm);
|
|
return;
|
|
}
|
|
var validator = prop.validator;
|
|
if (validator) {
|
|
if (!validator(value)) {
|
|
warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assert the type of a value
|
|
*/
|
|
function assertType(value, type) {
|
|
var valid = void 0;
|
|
var expectedType = void 0;
|
|
if (type === String) {
|
|
expectedType = 'string';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Number) {
|
|
expectedType = 'number';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Boolean) {
|
|
expectedType = 'boolean';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Function) {
|
|
expectedType = 'function';
|
|
valid = typeof value === expectedType;
|
|
} else if (type === Object) {
|
|
expectedType = 'Object';
|
|
valid = isPlainObject(value);
|
|
} else if (type === Array) {
|
|
expectedType = 'Array';
|
|
valid = Array.isArray(value);
|
|
} else {
|
|
expectedType = type.name || type.toString();
|
|
valid = value instanceof type;
|
|
}
|
|
return {
|
|
valid: valid,
|
|
expectedType: expectedType
|
|
};
|
|
}
|
|
|
|
var hasProxy = void 0;
|
|
var proxyHandlers = void 0;
|
|
var initProxy = void 0;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
(function () {
|
|
var allowedGlobals = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + 'require,__webpack_require__' // for Webpack/Browserify
|
|
);
|
|
|
|
hasProxy = typeof Proxy !== 'undefined' && Proxy.toString().match(/native code/);
|
|
|
|
proxyHandlers = {
|
|
has: function has(target, key) {
|
|
var has = key in target;
|
|
var isAllowedGlobal = allowedGlobals(key);
|
|
if (!has && !isAllowedGlobal) {
|
|
warn('Trying to access non-existent property "' + key + '" while rendering. ' + 'Make sure to declare reactive data properties in the data option.', target);
|
|
}
|
|
return !isAllowedGlobal;
|
|
}
|
|
};
|
|
|
|
initProxy = function initProxy(vm) {
|
|
if (hasProxy) {
|
|
vm._renderProxy = new Proxy(vm, proxyHandlers);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
};
|
|
})();
|
|
}
|
|
|
|
// We have two separate queues: one for internal component re-render updates
|
|
// and one for user watcher registered via $watch(). We want to guarantee
|
|
// re-render updates to be called before user watchers so that when user
|
|
// watchers are triggered, the DOM would already be in updated state.
|
|
|
|
var queue = [];
|
|
var userQueue = [];
|
|
var has = {};
|
|
var circular = {};
|
|
var waiting = false;
|
|
|
|
/**
|
|
* Reset the scheduler's state.
|
|
*/
|
|
function resetSchedulerState() {
|
|
queue.length = 0;
|
|
userQueue.length = 0;
|
|
has = {};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
circular = {};
|
|
}
|
|
waiting = false;
|
|
}
|
|
|
|
/**
|
|
* Flush both queues and run the watchers.
|
|
*/
|
|
function flushSchedulerQueue() {
|
|
runSchedulerQueue(queue.sort(queueSorter));
|
|
runSchedulerQueue(userQueue);
|
|
// user watchers triggered more watchers,
|
|
// keep flushing until it depletes
|
|
if (queue.length) {
|
|
return flushSchedulerQueue();
|
|
}
|
|
// devtool hook
|
|
/* istanbul ignore if */
|
|
if (devtools && config.devtools) {
|
|
devtools.emit('flush');
|
|
}
|
|
resetSchedulerState();
|
|
}
|
|
|
|
/**
|
|
* Sort queue before flush.
|
|
* This ensures components are updated from parent to child
|
|
* so there will be no duplicate updates, e.g. a child was
|
|
* pushed into the queue first and then its parent's props
|
|
* changed.
|
|
*/
|
|
function queueSorter(a, b) {
|
|
return a.id - b.id;
|
|
}
|
|
|
|
/**
|
|
* Run the watchers in a single queue.
|
|
*/
|
|
function runSchedulerQueue(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.
|
|
*/
|
|
function queueWatcher(watcher) {
|
|
var id = watcher.id;
|
|
if (has[id] == null) {
|
|
// push watcher into appropriate queue
|
|
var q = watcher.user ? userQueue : queue;
|
|
has[id] = true;
|
|
q.push(watcher);
|
|
// queue the flush
|
|
if (!waiting) {
|
|
waiting = true;
|
|
nextTick(flushSchedulerQueue);
|
|
}
|
|
}
|
|
}
|
|
|
|
var uid$2 = 0;
|
|
|
|
/**
|
|
* A watcher parses an expression, collects dependencies,
|
|
* and fires callback when the expression value changes.
|
|
* This is used for both the $watch() api and directives.
|
|
*/
|
|
|
|
var Watcher = function () {
|
|
function Watcher(vm, expOrFn, cb) {
|
|
var options = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
|
|
|
|
this.vm = vm;
|
|
vm._watchers.push(this);
|
|
// options
|
|
this.deep = !!options.deep;
|
|
this.user = !!options.user;
|
|
this.lazy = !!options.lazy;
|
|
this.sync = !!options.sync;
|
|
this.expression = expOrFn.toString();
|
|
this.cb = cb;
|
|
this.id = ++uid$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();
|
|
// parse expression for getter
|
|
if (typeof expOrFn === 'function') {
|
|
this.getter = expOrFn;
|
|
} else {
|
|
this.getter = parsePath(expOrFn);
|
|
if (!this.getter) {
|
|
this.getter = function () {};
|
|
process.env.NODE_ENV !== 'production' && warn('Failed watching path: ' + expOrFn + 'Watcher only accepts simple dot-delimited paths. ' + 'For full control, use a function instead.', vm);
|
|
}
|
|
}
|
|
this.value = this.lazy ? undefined : this.get();
|
|
}
|
|
|
|
/**
|
|
* Evaluate the getter, and re-collect dependencies.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.get = function get() {
|
|
pushTarget(this);
|
|
var value = void 0;
|
|
try {
|
|
value = this.getter.call(this.vm, this.vm);
|
|
} catch (e) {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (this.user) {
|
|
warn('Error when evaluating watcher with getter: ' + this.expression, this.vm);
|
|
} else {
|
|
warn('Error during component render', this.vm);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, this.vm);
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
// return old value when evaluation fails so the current UI is preserved
|
|
// if the error was somehow handled by user
|
|
value = this.value;
|
|
}
|
|
// "touch" every property so they are all tracked as
|
|
// dependencies for deep watching
|
|
if (this.deep) {
|
|
traverse(value);
|
|
}
|
|
popTarget();
|
|
this.cleanupDeps();
|
|
return value;
|
|
};
|
|
|
|
/**
|
|
* Add a dependency to this directive.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.addDep = function addDep(dep) {
|
|
var id = dep.id;
|
|
if (!this.newDepIds.has(id)) {
|
|
this.newDepIds.add(id);
|
|
this.newDeps.push(dep);
|
|
if (!this.depIds.has(id)) {
|
|
dep.addSub(this);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Clean up for dependency collection.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.cleanupDeps = function cleanupDeps() {
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
var dep = this.deps[i];
|
|
if (!this.newDepIds.has(dep.id)) {
|
|
dep.removeSub(this);
|
|
}
|
|
}
|
|
var tmp = this.depIds;
|
|
this.depIds = this.newDepIds;
|
|
this.newDepIds = tmp;
|
|
this.newDepIds.clear();
|
|
tmp = this.deps;
|
|
this.deps = this.newDeps;
|
|
this.newDeps = tmp;
|
|
this.newDeps.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Subscriber interface.
|
|
* Will be called when a dependency changes.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.update = function update() {
|
|
/* istanbul ignore else */
|
|
if (this.lazy) {
|
|
this.dirty = true;
|
|
} else if (this.sync) {
|
|
this.run();
|
|
} else {
|
|
queueWatcher(this);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Scheduler job interface.
|
|
* Will be called by the scheduler.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.run = function run() {
|
|
if (this.active) {
|
|
var value = this.get();
|
|
if (value !== this.value ||
|
|
// Deep watchers and watchers on Object/Arrays should fire even
|
|
// when the value is the same, because the value may
|
|
// have mutated.
|
|
isObject(value) || this.deep) {
|
|
// set new value
|
|
var oldValue = this.value;
|
|
this.value = value;
|
|
if (this.user) {
|
|
try {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
} catch (e) {
|
|
process.env.NODE_ENV !== 'production' && warn('Error in watcher "' + this.expression + '"', this.vm);
|
|
/* istanbul ignore else */
|
|
if (config.errorHandler) {
|
|
config.errorHandler.call(null, e, this.vm);
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
} else {
|
|
this.cb.call(this.vm, value, oldValue);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Evaluate the value of the watcher.
|
|
* This only gets called for lazy watchers.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.evaluate = function evaluate() {
|
|
this.value = this.get();
|
|
this.dirty = false;
|
|
};
|
|
|
|
/**
|
|
* Depend on all deps collected by this watcher.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.depend = function depend() {
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].depend();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Remove self from all dependencies' subcriber list.
|
|
*/
|
|
|
|
|
|
Watcher.prototype.teardown = function teardown() {
|
|
if (this.active) {
|
|
// remove self from vm's watcher list
|
|
// this is a somewhat expensive operation so we skip it
|
|
// if the vm is being destroyed or is performing a v-for
|
|
// re-render (the watcher list is then filtered by v-for).
|
|
if (!this.vm._isBeingDestroyed && !this.vm._vForRemoving) {
|
|
remove(this.vm._watchers, this);
|
|
}
|
|
var i = this.deps.length;
|
|
while (i--) {
|
|
this.deps[i].removeSub(this);
|
|
}
|
|
this.active = false;
|
|
}
|
|
};
|
|
|
|
return Watcher;
|
|
}();
|
|
|
|
var seenObjects = new _Set();
|
|
function traverse(val, seen) {
|
|
var i = void 0,
|
|
keys = void 0;
|
|
if (!seen) {
|
|
seen = seenObjects;
|
|
seen.clear();
|
|
}
|
|
var isA = Array.isArray(val);
|
|
var isO = isObject(val);
|
|
if ((isA || isO) && Object.isExtensible(val)) {
|
|
if (val.__ob__) {
|
|
var depId = val.__ob__.dep.id;
|
|
if (seen.has(depId)) {
|
|
return;
|
|
} else {
|
|
seen.add(depId);
|
|
}
|
|
}
|
|
if (isA) {
|
|
i = val.length;
|
|
while (i--) {
|
|
traverse(val[i], seen);
|
|
}
|
|
} else if (isO) {
|
|
keys = Object.keys(val);
|
|
i = keys.length;
|
|
while (i--) {
|
|
traverse(val[keys[i]], seen);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function initState(vm) {
|
|
vm._watchers = [];
|
|
initProps(vm);
|
|
initData(vm);
|
|
initComputed(vm);
|
|
initMethods(vm);
|
|
initWatch(vm);
|
|
}
|
|
|
|
function initProps(vm) {
|
|
var props = vm.$options.props;
|
|
var propsData = vm.$options.propsData;
|
|
if (props) {
|
|
var keys = vm.$options._propKeys = Object.keys(props);
|
|
var isRoot = !vm.$parent;
|
|
// root instance props should be converted
|
|
observerState.shouldConvert = isRoot;
|
|
|
|
var _loop = function _loop(i) {
|
|
var key = keys[i];
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
defineReactive(vm, key, validateProp(vm, key, propsData), function () {
|
|
if (vm.$parent && !observerState.isSettingProps) {
|
|
warn('Avoid mutating a prop directly since the value will be ' + 'overwritten whenever the parent component re-renders. ' + 'Instead, use a data or computed property based on the prop\'s ' + ('value. Prop being mutated: "' + key + '"'), vm);
|
|
}
|
|
});
|
|
} else {
|
|
defineReactive(vm, key, validateProp(vm, key, propsData));
|
|
}
|
|
};
|
|
|
|
for (var i = 0; i < keys.length; i++) {
|
|
_loop(i);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
}
|
|
}
|
|
|
|
function initData(vm) {
|
|
var data = vm.$options.data;
|
|
data = vm._data = typeof data === 'function' ? data.call(vm) : data || {};
|
|
if (!isPlainObject(data)) {
|
|
data = {};
|
|
process.env.NODE_ENV !== 'production' && warn('data functions should return an object.', vm);
|
|
}
|
|
// proxy data on instance
|
|
var keys = Object.keys(data);
|
|
var props = vm.$options.props;
|
|
var i = keys.length;
|
|
while (i--) {
|
|
if (props && hasOwn(props, keys[i])) {
|
|
process.env.NODE_ENV !== 'production' && warn('The data property "' + keys[i] + '" is already declared as a prop. ' + 'Use prop default value instead.', vm);
|
|
} else {
|
|
proxy(vm, keys[i]);
|
|
}
|
|
}
|
|
// observe data
|
|
observe(data);
|
|
data.__ob__ && data.__ob__.vmCount++;
|
|
}
|
|
|
|
var computedSharedDefinition = {
|
|
enumerable: true,
|
|
configurable: true,
|
|
get: noop,
|
|
set: noop
|
|
};
|
|
|
|
function initComputed(vm) {
|
|
var computed = vm.$options.computed;
|
|
if (computed) {
|
|
for (var _key in computed) {
|
|
var userDef = computed[_key];
|
|
if (typeof userDef === 'function') {
|
|
computedSharedDefinition.get = makeComputedGetter(userDef, vm);
|
|
computedSharedDefinition.set = noop;
|
|
} else {
|
|
computedSharedDefinition.get = userDef.get ? userDef.cache !== false ? makeComputedGetter(userDef.get, vm) : bind(userDef.get, vm) : noop;
|
|
computedSharedDefinition.set = userDef.set ? bind(userDef.set, vm) : noop;
|
|
}
|
|
Object.defineProperty(vm, _key, computedSharedDefinition);
|
|
}
|
|
}
|
|
}
|
|
|
|
function makeComputedGetter(getter, owner) {
|
|
var watcher = new Watcher(owner, getter, noop, {
|
|
lazy: true
|
|
});
|
|
return function computedGetter() {
|
|
if (watcher.dirty) {
|
|
watcher.evaluate();
|
|
}
|
|
if (Dep.target) {
|
|
watcher.depend();
|
|
}
|
|
return watcher.value;
|
|
};
|
|
}
|
|
|
|
function initMethods(vm) {
|
|
var methods = vm.$options.methods;
|
|
if (methods) {
|
|
for (var _key2 in methods) {
|
|
vm[_key2] = bind(methods[_key2], vm);
|
|
}
|
|
}
|
|
}
|
|
|
|
function initWatch(vm) {
|
|
var watch = vm.$options.watch;
|
|
if (watch) {
|
|
for (var _key3 in watch) {
|
|
var handler = watch[_key3];
|
|
if (Array.isArray(handler)) {
|
|
for (var i = 0; i < handler.length; i++) {
|
|
createWatcher(vm, _key3, handler[i]);
|
|
}
|
|
} else {
|
|
createWatcher(vm, _key3, handler);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function createWatcher(vm, key, handler) {
|
|
var options = void 0;
|
|
if (isPlainObject(handler)) {
|
|
options = handler;
|
|
handler = handler.handler;
|
|
}
|
|
if (typeof handler === 'string') {
|
|
handler = vm[handler];
|
|
}
|
|
vm.$watch(key, handler, options);
|
|
}
|
|
|
|
function stateMixin(Vue) {
|
|
// flow somehow has problems with directly declared definition object
|
|
// when using Object.defineProperty, so we have to procedurally build up
|
|
// the object here.
|
|
var dataDef = {};
|
|
dataDef.get = function () {
|
|
return this._data;
|
|
};
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
dataDef.set = function (newData) {
|
|
warn('Avoid replacing instance root $data. ' + 'Use nested data properties instead.', this);
|
|
};
|
|
}
|
|
Object.defineProperty(Vue.prototype, '$data', dataDef);
|
|
|
|
Vue.prototype.$watch = function (expOrFn, cb, options) {
|
|
var vm = this;
|
|
options = options || {};
|
|
options.user = true;
|
|
var watcher = new Watcher(vm, expOrFn, cb, options);
|
|
if (options.immediate) {
|
|
cb.call(vm, watcher.value);
|
|
}
|
|
return function unwatchFn() {
|
|
watcher.teardown();
|
|
};
|
|
};
|
|
}
|
|
|
|
function proxy(vm, key) {
|
|
if (!isReserved(key)) {
|
|
Object.defineProperty(vm, key, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function proxyGetter() {
|
|
return vm._data[key];
|
|
},
|
|
set: function proxySetter(val) {
|
|
vm._data[key] = val;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
var VNode = function VNode(tag, data, children, text, elm, ns, context, host, componentOptions) {
|
|
this.tag = tag;
|
|
this.data = data;
|
|
this.children = children;
|
|
this.text = text;
|
|
this.elm = elm;
|
|
this.ns = ns;
|
|
this.context = context;
|
|
this.host = host;
|
|
this.key = data && data.key;
|
|
this.componentOptions = componentOptions;
|
|
this.child = undefined;
|
|
this.parent = undefined;
|
|
this.raw = false;
|
|
// apply construct hook.
|
|
// this is applied during render, before patch happens.
|
|
// unlike other hooks, this is applied on both client and server.
|
|
var constructHook = data && data.hook && data.hook.construct;
|
|
if (constructHook) {
|
|
constructHook(this);
|
|
}
|
|
};
|
|
|
|
var emptyVNode = function emptyVNode() {
|
|
return new VNode(undefined, undefined, undefined, '');
|
|
};
|
|
|
|
function normalizeChildren(children, ns) {
|
|
// invoke children thunks.
|
|
// components always receive their children as thunks so that they
|
|
// can perform the actual render inside their own dependency collection cycle.
|
|
if (typeof children === 'function') {
|
|
children = children();
|
|
}
|
|
if (isPrimitive(children)) {
|
|
return [createTextVNode(children)];
|
|
}
|
|
if (Array.isArray(children)) {
|
|
var res = [];
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
var c = children[i];
|
|
var last = res[res.length - 1];
|
|
// nested
|
|
if (Array.isArray(c)) {
|
|
res.push.apply(res, normalizeChildren(c));
|
|
} else if (isPrimitive(c)) {
|
|
if (last && last.text) {
|
|
last.text += String(c);
|
|
} else {
|
|
// convert primitive to vnode
|
|
res.push(createTextVNode(c));
|
|
}
|
|
} else if (c instanceof VNode) {
|
|
if (c.text && last && last.text) {
|
|
last.text += c.text;
|
|
} else {
|
|
// inherit parent namespace
|
|
if (ns && c.tag) c.ns = ns;
|
|
res.push(c);
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
}
|
|
|
|
function createTextVNode(val) {
|
|
return new VNode(undefined, undefined, undefined, String(val));
|
|
}
|
|
|
|
function updateListeners(on, oldOn, add, remove) {
|
|
var name = void 0,
|
|
cur = void 0,
|
|
old = void 0,
|
|
fn = void 0,
|
|
event = void 0,
|
|
capture = void 0;
|
|
for (name in on) {
|
|
cur = on[name];
|
|
old = oldOn[name];
|
|
if (!old) {
|
|
capture = name.charAt(0) === '!';
|
|
event = capture ? name.slice(1) : name;
|
|
if (Array.isArray(cur)) {
|
|
add(event, cur.invoker = arrInvoker(cur), capture);
|
|
} else {
|
|
fn = cur;
|
|
cur = on[name] = {};
|
|
cur.fn = fn;
|
|
add(event, cur.invoker = fnInvoker(cur), capture);
|
|
}
|
|
} else if (Array.isArray(old)) {
|
|
old.length = cur.length;
|
|
for (var i = 0; i < old.length; i++) {
|
|
old[i] = cur[i];
|
|
}on[name] = old;
|
|
} else {
|
|
old.fn = cur;
|
|
on[name] = old;
|
|
}
|
|
}
|
|
for (name in oldOn) {
|
|
if (!on[name]) {
|
|
event = name.charAt(0) === '!' ? name.slice(1) : name;
|
|
remove(event, oldOn[name].invoker);
|
|
}
|
|
}
|
|
}
|
|
|
|
function arrInvoker(arr) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
for (var i = 0; i < arr.length; i++) {
|
|
single ? arr[i](ev) : arr[i].apply(null, arguments);
|
|
}
|
|
};
|
|
}
|
|
|
|
function fnInvoker(o) {
|
|
return function (ev) {
|
|
var single = arguments.length === 1;
|
|
single ? o.fn(ev) : o.fn.apply(null, arguments);
|
|
};
|
|
}
|
|
|
|
// wrapper function for providing a more flexible interface
|
|
// without getting yelled at by flow
|
|
function createElement(tag, data, children) {
|
|
if (data && (Array.isArray(data) || typeof data !== 'object')) {
|
|
children = data;
|
|
data = undefined;
|
|
}
|
|
return _createElement.call(this, tag, data, children);
|
|
}
|
|
|
|
function _createElement(tag, data, children) {
|
|
// make sure to expose real self instead of proxy
|
|
var context = this._self;
|
|
var parent = renderState.activeInstance;
|
|
var host = context !== parent ? parent : undefined;
|
|
if (!parent) {
|
|
process.env.NODE_ENV !== 'production' && warn('createElement cannot be called outside of component ' + 'render functions.');
|
|
return;
|
|
}
|
|
if (!tag) {
|
|
// in case of component :is set to falsy value
|
|
return emptyVNode();
|
|
}
|
|
if (typeof tag === 'string') {
|
|
var namespace = config.getTagNamespace(tag);
|
|
var Ctor = void 0;
|
|
if (config.isReservedTag(tag)) {
|
|
return new VNode(tag, data, normalizeChildren(children, namespace), undefined, undefined, namespace, context, host);
|
|
} else if (Ctor = resolveAsset(context.$options, 'components', tag)) {
|
|
return createComponent(Ctor, data, parent, context, host, children, tag);
|
|
} else {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (!namespace && !(config.ignoredElements && config.ignoredElements.indexOf(tag) > -1) && config.isUnknownElement(tag)) {
|
|
warn('Unknown custom element: <' + tag + '> - did you ' + 'register the component correctly? For recursive components, ' + 'make sure to provide the "name" option.');
|
|
}
|
|
}
|
|
return new VNode(tag, data, normalizeChildren(children, namespace), undefined, undefined, namespace, context, host);
|
|
}
|
|
} else {
|
|
return createComponent(tag, data, parent, context, host, children);
|
|
}
|
|
}
|
|
|
|
var renderState = {
|
|
activeInstance: null
|
|
};
|
|
|
|
function initRender(vm) {
|
|
vm._vnode = null;
|
|
vm._staticTrees = null;
|
|
vm.$slots = {};
|
|
// bind the public createElement fn to this instance
|
|
// so that we get proper render context inside it.
|
|
vm.$createElement = bind(createElement, vm);
|
|
if (vm.$options.el) {
|
|
vm.$mount(vm.$options.el);
|
|
}
|
|
}
|
|
|
|
function renderMixin(Vue) {
|
|
Vue.prototype.$nextTick = function (fn) {
|
|
nextTick(fn, this);
|
|
};
|
|
|
|
Vue.prototype._render = function () {
|
|
var vm = this;
|
|
|
|
// set current active instance
|
|
var prev = renderState.activeInstance;
|
|
renderState.activeInstance = vm;
|
|
|
|
var _vm$$options = vm.$options;
|
|
var render = _vm$$options.render;
|
|
var staticRenderFns = _vm$$options.staticRenderFns;
|
|
var _renderChildren = _vm$$options._renderChildren;
|
|
var _parentVnode = _vm$$options._parentVnode;
|
|
|
|
|
|
if (staticRenderFns && !this._staticTrees) {
|
|
this._staticTrees = [];
|
|
}
|
|
|
|
// resolve slots. becaues slots are rendered in parent scope,
|
|
// we set the activeInstance to parent.
|
|
if (_renderChildren) {
|
|
resolveSlots(vm, _renderChildren);
|
|
}
|
|
// render self
|
|
var vnode = render.call(vm._renderProxy, vm.$createElement);
|
|
// return empty vnode in case the render function errored out
|
|
if (!(vnode instanceof VNode)) {
|
|
if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {
|
|
warn('Multiple root nodes returned from render function. Render function ' + 'should return a single root node.', vm);
|
|
}
|
|
vnode = emptyVNode();
|
|
}
|
|
// set parent
|
|
vnode.parent = _parentVnode;
|
|
// restore render state
|
|
renderState.activeInstance = prev;
|
|
return vnode;
|
|
};
|
|
|
|
// shorthands used in render functions
|
|
Vue.prototype._h = createElement;
|
|
// toString for mustaches
|
|
Vue.prototype._s = _toString;
|
|
// number conversion
|
|
Vue.prototype._n = toNumber;
|
|
|
|
//
|
|
Vue.prototype._m = function renderStatic(index) {
|
|
return this._staticTrees[index] || (this._staticTrees[index] = this.$options.staticRenderFns[index].call(this._renderProxy));
|
|
};
|
|
|
|
// filter resolution helper
|
|
var identity = function identity(_) {
|
|
return _;
|
|
};
|
|
Vue.prototype._f = function resolveFilter(id) {
|
|
return resolveAsset(this.$options, 'filters', id, true) || identity;
|
|
};
|
|
|
|
// render v-for
|
|
Vue.prototype._l = function renderList(val, render) {
|
|
var ret = void 0,
|
|
i = void 0,
|
|
l = void 0,
|
|
keys = void 0,
|
|
key = void 0;
|
|
if (Array.isArray(val)) {
|
|
ret = new Array(val.length);
|
|
for (i = 0, l = val.length; i < l; i++) {
|
|
ret[i] = render(val[i], i);
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
ret = new Array(val);
|
|
for (i = 0; i < val; i++) {
|
|
ret[i] = render(i + 1, i);
|
|
}
|
|
} else if (isObject(val)) {
|
|
keys = Object.keys(val);
|
|
ret = new Array(keys.length);
|
|
for (i = 0, l = keys.length; i < l; i++) {
|
|
key = keys[i];
|
|
ret[i] = render(val[key], key, i);
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
// apply v-bind object
|
|
Vue.prototype._b = function bindProps(vnode, value) {
|
|
if (value) {
|
|
if (!isObject(value)) {
|
|
process.env.NODE_ENV !== 'production' && warn('v-bind without argument expects an Object or Array value', this);
|
|
} else {
|
|
if (Array.isArray(value)) {
|
|
value = toObject(value);
|
|
}
|
|
var data = vnode.data;
|
|
for (var key in value) {
|
|
var hash = config.mustUseProp(key) ? data.props || (data.props = {}) : data.attrs || (data.attrs = {});
|
|
hash[key] = value[key];
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// expose v-on keyCodes
|
|
Vue.prototype._k = function getKeyCodes(key) {
|
|
return config.keyCodes[key];
|
|
};
|
|
}
|
|
|
|
function resolveSlots(vm, renderChildren) {
|
|
if (renderChildren) {
|
|
var children = normalizeChildren(renderChildren) || [];
|
|
var slots = {};
|
|
var defaultSlot = [];
|
|
var name = void 0,
|
|
child = void 0;
|
|
for (var i = 0, l = children.length; i < l; i++) {
|
|
child = children[i];
|
|
if (name = child.data && child.data.slot) {
|
|
var slot = slots[name] || (slots[name] = []);
|
|
if (child.tag === 'template') {
|
|
slot.push.apply(slot, child.children);
|
|
} else {
|
|
slot.push(child);
|
|
}
|
|
} else {
|
|
defaultSlot.push(child);
|
|
}
|
|
}
|
|
if (defaultSlot.length && !(defaultSlot.length === 1 && defaultSlot[0].text === ' ')) {
|
|
slots['default'] = defaultSlot;
|
|
}
|
|
vm.$slots = slots;
|
|
}
|
|
}
|
|
|
|
function initEvents(vm) {
|
|
vm._events = Object.create(null);
|
|
// init parent attached events
|
|
var listeners = vm.$options._parentListeners;
|
|
var on = bind(vm.$on, vm);
|
|
var off = bind(vm.$off, vm);
|
|
vm._updateListeners = function (listeners, oldListeners) {
|
|
updateListeners(listeners, oldListeners || {}, on, off);
|
|
};
|
|
if (listeners) {
|
|
vm._updateListeners(listeners);
|
|
}
|
|
}
|
|
|
|
function eventsMixin(Vue) {
|
|
Vue.prototype.$on = function (event, fn) {
|
|
var vm = this;(vm._events[event] || (vm._events[event] = [])).push(fn);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$once = function (event, fn) {
|
|
var vm = this;
|
|
function on() {
|
|
vm.$off(event, on);
|
|
fn.apply(vm, arguments);
|
|
}
|
|
on.fn = fn;
|
|
vm.$on(event, on);
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$off = function (event, fn) {
|
|
var vm = this;
|
|
// all
|
|
if (!arguments.length) {
|
|
vm._events = Object.create(null);
|
|
return vm;
|
|
}
|
|
// specific event
|
|
var cbs = vm._events[event];
|
|
if (!cbs) {
|
|
return vm;
|
|
}
|
|
if (arguments.length === 1) {
|
|
vm._events[event] = null;
|
|
return vm;
|
|
}
|
|
// specific handler
|
|
var cb = void 0;
|
|
var i = cbs.length;
|
|
while (i--) {
|
|
cb = cbs[i];
|
|
if (cb === fn || cb.fn === fn) {
|
|
cbs.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype.$emit = function (event) {
|
|
var vm = this;
|
|
var cbs = vm._events[event];
|
|
if (cbs) {
|
|
cbs = cbs.length > 1 ? toArray$1(cbs) : cbs;
|
|
var args = toArray$1(arguments, 1);
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i].apply(vm, args);
|
|
}
|
|
}
|
|
return vm;
|
|
};
|
|
}
|
|
|
|
function initLifecycle(vm) {
|
|
var options = vm.$options;
|
|
|
|
vm.$parent = options.parent;
|
|
vm.$root = vm.$parent ? vm.$parent.$root : vm;
|
|
if (vm.$parent && !options._abstract) {
|
|
vm.$parent.$children.push(vm);
|
|
}
|
|
|
|
vm.$children = [];
|
|
vm.$refs = {};
|
|
|
|
vm._watcher = null;
|
|
vm._inactive = false;
|
|
vm._isMounted = false;
|
|
vm._isDestroyed = false;
|
|
vm._isBeingDestroyed = false;
|
|
}
|
|
|
|
function lifecycleMixin(Vue) {
|
|
Vue.prototype._mount = function (el, hydrating) {
|
|
var vm = this;
|
|
vm.$el = el;
|
|
if (!vm.$options.render) {
|
|
vm.$options.render = emptyVNode;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
/* istanbul ignore if */
|
|
if (vm.$options.template) {
|
|
warn('You are using the runtime-only build of Vue where the template ' + 'option is not available. Either pre-compile the templates into ' + 'render functions, or use the compiler-included build.', vm);
|
|
} else {
|
|
warn('Failed to mount component: template or render function not defined.', vm);
|
|
}
|
|
}
|
|
}
|
|
callHook(vm, 'beforeMount');
|
|
vm._watcher = new Watcher(vm, function () {
|
|
vm._update(vm._render(), hydrating);
|
|
}, noop);
|
|
hydrating = false;
|
|
// root instance, call mounted on self
|
|
// mounted is called for child components in its inserted hook
|
|
if (vm.$root === vm) {
|
|
vm._isMounted = true;
|
|
callHook(vm, 'mounted');
|
|
}
|
|
return vm;
|
|
};
|
|
|
|
Vue.prototype._update = function (vnode, hydrating) {
|
|
var vm = this;
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'beforeUpdate');
|
|
}
|
|
var prevEl = vm.$el;
|
|
if (!vm._vnode) {
|
|
// Vue.prototype.__patch__ is injected in entry points
|
|
// based on the rendering backend used.
|
|
vm.$el = vm.__patch__(vm.$el, vnode, hydrating);
|
|
} else {
|
|
vm.$el = vm.__patch__(vm._vnode, vnode);
|
|
}
|
|
vm._vnode = vnode;
|
|
// update __vue__ reference
|
|
if (prevEl) {
|
|
prevEl.__vue__ = null;
|
|
}
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = vm;
|
|
}
|
|
// update parent vnode element after patch
|
|
var parentNode = vm.$options._parentVnode;
|
|
if (parentNode) {
|
|
parentNode.elm = vm.$el;
|
|
// update parent $el if the parent is HOC
|
|
// this is necessary because child is updated after parent
|
|
if (vm.$parent && parentNode === vm.$parent._vnode) {
|
|
vm.$parent.$el = vm.$el;
|
|
}
|
|
}
|
|
if (vm._isMounted) {
|
|
callHook(vm, 'updated');
|
|
}
|
|
};
|
|
|
|
Vue.prototype._updateFromParent = function (propsData, listeners, parentVnode, renderChildren) {
|
|
var vm = this;
|
|
vm.$options._parentVnode = parentVnode;
|
|
vm.$options._renderChildren = renderChildren;
|
|
// update props
|
|
if (propsData && vm.$options.props) {
|
|
observerState.shouldConvert = false;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = true;
|
|
}
|
|
var propKeys = vm.$options._propKeys || [];
|
|
for (var i = 0; i < propKeys.length; i++) {
|
|
var key = propKeys[i];
|
|
vm[key] = validateProp(vm, key, propsData);
|
|
}
|
|
observerState.shouldConvert = true;
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
observerState.isSettingProps = false;
|
|
}
|
|
}
|
|
// update listeners
|
|
if (listeners) {
|
|
var oldListeners = vm.$options._parentListeners;
|
|
vm.$options._parentListeners = listeners;
|
|
vm._updateListeners(listeners, oldListeners);
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$forceUpdate = function () {
|
|
var vm = this;
|
|
if (vm._watcher) {
|
|
vm._watcher.update();
|
|
}
|
|
if (vm._watchers.length) {
|
|
for (var i = 0; i < vm._watchers.length; i++) {
|
|
vm._watchers[i].update(true /* shallow */);
|
|
}
|
|
}
|
|
};
|
|
|
|
Vue.prototype.$destroy = function () {
|
|
var vm = this;
|
|
if (vm._isBeingDestroyed) {
|
|
return;
|
|
}
|
|
callHook(vm, 'beforeDestroy');
|
|
vm._isBeingDestroyed = true;
|
|
// remove self from parent
|
|
var parent = vm.$parent;
|
|
if (parent && !parent._isBeingDestroyed && !vm.$options._abstract) {
|
|
remove(parent.$children, vm);
|
|
}
|
|
// teardown watchers
|
|
if (vm._watcher) {
|
|
vm._watcher.teardown();
|
|
}
|
|
var i = vm._watchers.length;
|
|
while (i--) {
|
|
vm._watchers[i].teardown();
|
|
}
|
|
// remove reference from data ob
|
|
// frozen object may not have observer.
|
|
if (vm._data.__ob__) {
|
|
vm._data.__ob__.vmCount--;
|
|
}
|
|
// call the last hook...
|
|
vm._isDestroyed = true;
|
|
callHook(vm, 'destroyed');
|
|
// turn off all instance listeners.
|
|
vm.$off();
|
|
// remove __vue__ reference
|
|
if (vm.$el) {
|
|
vm.$el.__vue__ = null;
|
|
}
|
|
};
|
|
}
|
|
|
|
function callHook(vm, hook) {
|
|
vm.$emit('pre-hook:' + hook);
|
|
var handlers = vm.$options[hook];
|
|
if (handlers) {
|
|
for (var i = 0, j = handlers.length; i < j; i++) {
|
|
handlers[i].call(vm);
|
|
}
|
|
}
|
|
vm.$emit('hook:' + hook);
|
|
}
|
|
|
|
var uid = 0;
|
|
|
|
function initMixin(Vue) {
|
|
Vue.prototype._init = function (options) {
|
|
var vm = this;
|
|
// a uid
|
|
vm._uid = uid++;
|
|
// a flag to avoid this being observed
|
|
vm._isVue = true;
|
|
// merge options
|
|
if (options && options._isComponent) {
|
|
// optimize internal component instantiation
|
|
// since dynamic options merging is pretty slow, and none of the
|
|
// internal component options needs special treatment.
|
|
initInternalComponent(vm, options);
|
|
} else {
|
|
vm.$options = mergeOptions(resolveConstructorOptions(vm), options || {}, vm);
|
|
}
|
|
/* istanbul ignore else */
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
initProxy(vm);
|
|
} else {
|
|
vm._renderProxy = vm;
|
|
}
|
|
// expose real self
|
|
vm._self = vm;
|
|
initLifecycle(vm);
|
|
initEvents(vm);
|
|
callHook(vm, 'beforeCreate');
|
|
initState(vm);
|
|
callHook(vm, 'created');
|
|
initRender(vm);
|
|
};
|
|
|
|
function initInternalComponent(vm, options) {
|
|
var opts = vm.$options = Object.create(resolveConstructorOptions(vm));
|
|
// doing this because it's faster than dynamic enumeration.
|
|
opts.parent = options.parent;
|
|
opts.propsData = options.propsData;
|
|
opts._parentVnode = options._parentVnode;
|
|
opts._parentListeners = options._parentListeners;
|
|
opts._renderChildren = options._renderChildren;
|
|
opts._componentTag = options._componentTag;
|
|
if (options.render) {
|
|
opts.render = options.render;
|
|
opts.staticRenderFns = options.staticRenderFns;
|
|
}
|
|
}
|
|
|
|
function resolveConstructorOptions(vm) {
|
|
var Ctor = vm.constructor;
|
|
var options = Ctor.options;
|
|
if (Ctor.super) {
|
|
var superOptions = Ctor.super.options;
|
|
var cachedSuperOptions = Ctor.superOptions;
|
|
if (superOptions !== cachedSuperOptions) {
|
|
// super option changed
|
|
Ctor.superOptions = superOptions;
|
|
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
|
|
if (options.name) {
|
|
options.components[options.name] = Ctor;
|
|
}
|
|
}
|
|
}
|
|
return options;
|
|
}
|
|
}
|
|
|
|
function Vue(options) {
|
|
this._init(options);
|
|
}
|
|
|
|
initMixin(Vue);
|
|
stateMixin(Vue);
|
|
eventsMixin(Vue);
|
|
lifecycleMixin(Vue);
|
|
renderMixin(Vue);
|
|
|
|
var hooks = { init: init, prepatch: prepatch, insert: insert, destroy: destroy };
|
|
var hooksToMerge = Object.keys(hooks);
|
|
|
|
function createComponent(Ctor, data, parent, context, host, children, tag) {
|
|
// ensure children is a thunk
|
|
if (process.env.NODE_ENV !== 'production' && children && typeof children !== 'function') {
|
|
warn('A component\'s children should be a function that returns the ' + 'children array. This allows the component to track the children ' + 'dependencies and optimizes re-rendering.');
|
|
}
|
|
|
|
if (!Ctor) {
|
|
return;
|
|
}
|
|
|
|
if (isObject(Ctor)) {
|
|
Ctor = Vue.extend(Ctor);
|
|
}
|
|
|
|
if (typeof Ctor !== 'function') {
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
warn('Invalid Component definition: ' + Ctor, parent);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// async component
|
|
if (!Ctor.cid) {
|
|
if (Ctor.resolved) {
|
|
Ctor = Ctor.resolved;
|
|
} else {
|
|
Ctor = resolveAsyncComponent(Ctor, function () {
|
|
// it's ok to queue this on every render because
|
|
// $forceUpdate is buffered. this is only called
|
|
// if the
|
|
parent.$forceUpdate();
|
|
});
|
|
if (!Ctor) {
|
|
// return nothing if this is indeed an async component
|
|
// wait for the callback to trigger parent update.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
data = data || {};
|
|
|
|
// extract props
|
|
var propsData = extractProps(data, Ctor);
|
|
|
|
// functional component
|
|
if (Ctor.options.functional) {
|
|
return Ctor.options.render.call(null, parent.$createElement, // h
|
|
propsData || {}, // props
|
|
normalizeChildren(children) // children
|
|
);
|
|
}
|
|
|
|
// merge component management hooks onto the placeholder node
|
|
mergeHooks(data);
|
|
|
|
// extract listeners, since these needs to be treated as
|
|
// child component listeners instead of DOM listeners
|
|
var listeners = data.on;
|
|
if (listeners) {
|
|
delete data.on;
|
|
}
|
|
|
|
// return a placeholder vnode
|
|
var name = Ctor.options.name || tag;
|
|
var vnode = new VNode('vue-component-' + Ctor.cid + (name ? '-' + name : ''), data, undefined, undefined, undefined, undefined, context, host, { Ctor: Ctor, propsData: propsData, listeners: listeners, parent: parent, tag: tag, children: children });
|
|
return vnode;
|
|
}
|
|
|
|
function createComponentInstanceForVnode(vnode // we know it's MountedComponentVNode but flow doesn't
|
|
) {
|
|
var vnodeComponentOptions = vnode.componentOptions;
|
|
var options = {
|
|
_isComponent: true,
|
|
parent: vnodeComponentOptions.parent,
|
|
propsData: vnodeComponentOptions.propsData,
|
|
_componentTag: vnodeComponentOptions.tag,
|
|
_parentVnode: vnode,
|
|
_parentListeners: vnodeComponentOptions.listeners,
|
|
_renderChildren: vnodeComponentOptions.children
|
|
};
|
|
// check inline-template render functions
|
|
var inlineTemplate = vnode.data.inlineTemplate;
|
|
if (inlineTemplate) {
|
|
options.render = inlineTemplate.render;
|
|
options.staticRenderFns = inlineTemplate.staticRenderFns;
|
|
}
|
|
return new vnodeComponentOptions.Ctor(options);
|
|
}
|
|
|
|
function init(vnode, hydrating) {
|
|
if (!vnode.child) {
|
|
var child = vnode.child = createComponentInstanceForVnode(vnode);
|
|
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
|
|
}
|
|
}
|
|
|
|
function prepatch(oldVnode, vnode) {
|
|
var options = vnode.componentOptions;
|
|
vnode.child = oldVnode.child;
|
|
vnode.child._updateFromParent(options.propsData, // updated props
|
|
options.listeners, // updated listeners
|
|
vnode, // new parent vnode
|
|
options.children // new children
|
|
);
|
|
}
|
|
|
|
function insert(vnode) {
|
|
if (!vnode.child._isMounted) {
|
|
vnode.child._isMounted = true;
|
|
callHook(vnode.child, 'mounted');
|
|
}
|
|
if (vnode.data.keepAlive) {
|
|
vnode.child._inactive = false;
|
|
callHook(vnode.child, 'activated');
|
|
}
|
|
}
|
|
|
|
function destroy(vnode) {
|
|
if (!vnode.child._isDestroyed) {
|
|
if (!vnode.data.keepAlive) {
|
|
vnode.child.$destroy();
|
|
} else {
|
|
vnode.child._inactive = true;
|
|
callHook(vnode.child, 'deactivated');
|
|
}
|
|
}
|
|
}
|
|
|
|
function resolveAsyncComponent(factory, cb) {
|
|
if (factory.requested) {
|
|
// pool callbacks
|
|
factory.pendingCallbacks.push(cb);
|
|
} else {
|
|
var _ret = function () {
|
|
factory.requested = true;
|
|
var cbs = factory.pendingCallbacks = [cb];
|
|
var sync = true;
|
|
factory(
|
|
// resolve
|
|
function (res) {
|
|
if (isObject(res)) {
|
|
res = Vue.extend(res);
|
|
}
|
|
// cache resolved
|
|
factory.resolved = res;
|
|
// invoke callbacks only if this is not a synchronous resolve
|
|
// (async resolves are shimmed as synchronous during SSR)
|
|
if (!sync) {
|
|
for (var i = 0, l = cbs.length; i < l; i++) {
|
|
cbs[i](res);
|
|
}
|
|
}
|
|
},
|
|
// reject
|
|
function (reason) {
|
|
process.env.NODE_ENV !== 'production' && warn('Failed to resolve async component: ' + factory + (reason ? '\nReason: ' + reason : ''));
|
|
});
|
|
sync = false;
|
|
// return in case resolved synchronously
|
|
return {
|
|
v: factory.resolved
|
|
};
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
}
|
|
|
|
function extractProps(data, Ctor) {
|
|
// we are only extrating raw values here.
|
|
// validation and default values are handled in the child
|
|
// component itself.
|
|
var propOptions = Ctor.options.props;
|
|
if (!propOptions) {
|
|
return;
|
|
}
|
|
var res = {};
|
|
var attrs = data.attrs;
|
|
var props = data.props;
|
|
var staticAttrs = data.staticAttrs;
|
|
if (!attrs && !props && !staticAttrs) {
|
|
return res;
|
|
}
|
|
for (var key in propOptions) {
|
|
var altKey = hyphenate(key);
|
|
checkProp(res, attrs, key, altKey) || checkProp(res, props, key, altKey) || checkProp(res, staticAttrs, key, altKey);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function checkProp(res, hash, key, altKey) {
|
|
if (hash) {
|
|
if (hasOwn(hash, key)) {
|
|
res[key] = hash[key];
|
|
delete hash[key];
|
|
return true;
|
|
} else if (hasOwn(hash, altKey)) {
|
|
res[key] = hash[altKey];
|
|
delete hash[altKey];
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function mergeHooks(data) {
|
|
if (data.hook) {
|
|
for (var i = 0; i < hooksToMerge.length; i++) {
|
|
var key = hooksToMerge[i];
|
|
var fromParent = data.hook[key];
|
|
var ours = hooks[key];
|
|
data.hook[key] = fromParent ? mergeHook(ours, fromParent) : ours;
|
|
}
|
|
} else {
|
|
data.hook = hooks;
|
|
}
|
|
}
|
|
|
|
function mergeHook(a, b) {
|
|
// since all hooks have at most two args, use fixed args
|
|
// to avoid having to use fn.apply().
|
|
return function (_, __) {
|
|
a(_, __);
|
|
b(_, __);
|
|
};
|
|
}
|
|
|
|
var encodeHTMLCached = cached(entities.encodeHTML);
|
|
var defaultOptions = {
|
|
max: 5000
|
|
};
|
|
|
|
function createRenderFunction(modules, directives, isUnaryTag, cacheOptions) {
|
|
var cache = LRU(Object.assign({}, defaultOptions, cacheOptions));
|
|
|
|
function renderNode(node, write, next, isRoot) {
|
|
if (node.componentOptions) {
|
|
// check cache hit
|
|
var Ctor = node.componentOptions.Ctor;
|
|
var getKey = Ctor.options.server && Ctor.options.server.getCacheKey;
|
|
if (getKey) {
|
|
var _ret = function () {
|
|
var key = Ctor.cid + '::' + getKey(node.componentOptions.propsData);
|
|
if (cache.has(key)) {
|
|
return {
|
|
v: write(cache.get(key), next)
|
|
};
|
|
} else {
|
|
(function () {
|
|
write.caching = true;
|
|
var buffer = write.cacheBuffer;
|
|
var bufferIndex = buffer.push('') - 1;
|
|
var _next = next;
|
|
next = function next() {
|
|
var result = buffer[bufferIndex];
|
|
cache.set(key, result);
|
|
if (bufferIndex === 0) {
|
|
// this is a top-level cached component,
|
|
// exit caching mode.
|
|
write.caching = false;
|
|
} else {
|
|
// parent component is also being cached,
|
|
// merge self into parent's result
|
|
buffer[bufferIndex - 1] += result;
|
|
}
|
|
buffer.length = bufferIndex;
|
|
_next();
|
|
};
|
|
})();
|
|
}
|
|
}();
|
|
|
|
if (typeof _ret === "object") return _ret.v;
|
|
}
|
|
var child = createComponentInstanceForVnode(node)._render();
|
|
child.parent = node;
|
|
renderNode(child, write, next, isRoot);
|
|
} else {
|
|
if (node.tag) {
|
|
renderElement(node, write, next, isRoot);
|
|
} else {
|
|
write(node.raw ? node.text : encodeHTMLCached(node.text), next);
|
|
}
|
|
}
|
|
}
|
|
|
|
function renderElement(el, write, next, isRoot) {
|
|
if (isRoot) {
|
|
if (!el.data) el.data = {};
|
|
if (!el.data.attrs) el.data.attrs = {};
|
|
el.data.attrs['server-rendered'] = 'true';
|
|
}
|
|
var startTag = renderStartingTag(el);
|
|
var endTag = '</' + el.tag + '>';
|
|
if (isUnaryTag(el.tag)) {
|
|
write(startTag, next);
|
|
} else if (!el.children || !el.children.length) {
|
|
write(startTag + endTag, next);
|
|
} else {
|
|
(function () {
|
|
var children = el.children || [];
|
|
write(startTag, function () {
|
|
var total = children.length;
|
|
var rendered = 0;
|
|
|
|
function renderChild(child) {
|
|
renderNode(child, write, function () {
|
|
rendered++;
|
|
if (rendered < total) {
|
|
renderChild(children[rendered]);
|
|
} else {
|
|
write(endTag, next);
|
|
}
|
|
}, false);
|
|
}
|
|
|
|
renderChild(children[0]);
|
|
});
|
|
})();
|
|
}
|
|
}
|
|
|
|
function renderStartingTag(node) {
|
|
var markup = '<' + node.tag;
|
|
if (node.data) {
|
|
// check directives
|
|
var dirs = node.data.directives;
|
|
if (dirs) {
|
|
for (var i = 0; i < dirs.length; i++) {
|
|
var dirRenderer = directives[dirs[i].name];
|
|
if (dirRenderer) {
|
|
// directives mutate the node's data
|
|
// which then gets rendered by modules
|
|
dirRenderer(node, dirs[i]);
|
|
}
|
|
}
|
|
}
|
|
// apply other modules
|
|
for (var _i = 0; _i < modules.length; _i++) {
|
|
var res = modules[_i](node);
|
|
if (res) {
|
|
markup += res;
|
|
}
|
|
}
|
|
}
|
|
// attach scoped CSS ID
|
|
var scopeId = void 0;
|
|
if (node.host && (scopeId = node.host.$options._scopeId)) {
|
|
markup += ' ' + scopeId;
|
|
}
|
|
while (node) {
|
|
if (scopeId = node.context.$options._scopeId) {
|
|
markup += ' ' + scopeId;
|
|
}
|
|
node = node.parent;
|
|
}
|
|
return markup + '>';
|
|
}
|
|
|
|
return function render(component, write, done) {
|
|
renderNode(component._render(), write, done, true);
|
|
};
|
|
}
|
|
|
|
function createRenderer$1() {
|
|
var _ref = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
|
|
|
|
var _ref$modules = _ref.modules;
|
|
var modules = _ref$modules === undefined ? [] : _ref$modules;
|
|
var _ref$directives = _ref.directives;
|
|
var directives = _ref$directives === undefined ? {} : _ref$directives;
|
|
var _ref$isUnaryTag = _ref.isUnaryTag;
|
|
var isUnaryTag = _ref$isUnaryTag === undefined ? function () {
|
|
return false;
|
|
} : _ref$isUnaryTag;
|
|
var _ref$cache = _ref.cache;
|
|
var cache = _ref$cache === undefined ? {} : _ref$cache;
|
|
|
|
if (process.env.VUE_ENV !== 'server') {
|
|
warn('You are using createRenderer without setting VUE_ENV enviroment variable to "server". ' + 'It is recommended to set VUE_ENV=server this will help rendering performance, ' + 'by turning data observation off.');
|
|
}
|
|
var render = createRenderFunction(modules, directives, isUnaryTag, cache);
|
|
|
|
return {
|
|
renderToString: function renderToString(component, done) {
|
|
var result = '';
|
|
var write = createWriteFunction(function (text) {
|
|
result += text;
|
|
}, done);
|
|
try {
|
|
render(component, write, function () {
|
|
done(null, result);
|
|
});
|
|
} catch (e) {
|
|
done(e);
|
|
}
|
|
},
|
|
renderToStream: function renderToStream(component) {
|
|
return new RenderStream(function (write, done) {
|
|
render(component, write, done);
|
|
});
|
|
}
|
|
};
|
|
}
|
|
|
|
function createContext(context) {
|
|
var sandbox = {
|
|
Buffer: Buffer,
|
|
clearImmediate: clearImmediate,
|
|
clearInterval: clearInterval,
|
|
clearTimeout: clearTimeout,
|
|
setImmediate: setImmediate,
|
|
setInterval: setInterval,
|
|
setTimeout: setTimeout,
|
|
console: console,
|
|
process: process,
|
|
__VUE_SSR_CONTEXT__: context
|
|
};
|
|
sandbox.global = sandbox;
|
|
return sandbox;
|
|
}
|
|
|
|
function runInVm(code) {
|
|
var _context = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
|
|
|
|
return new Promise(function (resolve, reject) {
|
|
var wrapper = NativeModule.wrap(code);
|
|
var context = createContext(_context);
|
|
var compiledWrapper = vm.runInNewContext(wrapper, context, {
|
|
filename: '__vue_ssr_bundle__',
|
|
displayErrors: true
|
|
});
|
|
var m = { exports: {} };
|
|
compiledWrapper.call(m.exports, m.exports, require, m);
|
|
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default') ? m.exports.default : m;
|
|
resolve(typeof res === 'function' ? res(_context) : res);
|
|
});
|
|
}
|
|
|
|
function createBundleRendererCreator(createRenderer) {
|
|
return function (code, rendererOptions) {
|
|
var renderer = createRenderer(rendererOptions);
|
|
return {
|
|
renderToString: function renderToString(context, cb) {
|
|
if (typeof context === 'function') {
|
|
cb = context;
|
|
context = {};
|
|
}
|
|
runInVm(code, context).then(function (app) {
|
|
renderer.renderToString(app, cb);
|
|
}).catch(cb);
|
|
},
|
|
renderToStream: function renderToStream(context) {
|
|
var res = new stream.PassThrough();
|
|
runInVm(code, context).then(function (app) {
|
|
renderer.renderToStream(app).pipe(res);
|
|
}).catch(function (err) {
|
|
process.nextTick(function () {
|
|
res.emit('error', err);
|
|
});
|
|
});
|
|
return res;
|
|
}
|
|
};
|
|
};
|
|
}
|
|
|
|
// attributes that should be using props for binding
|
|
var mustUseProp = makeMap('value,selected,checked,muted');
|
|
|
|
var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
|
|
|
|
var isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' + 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' + 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' + 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' + 'required,reversed,scoped,seamless,selected,sortable,translate,' + 'truespeed,typemustmatch,visible');
|
|
|
|
var isAttr = makeMap('accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' + 'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' + 'checked,cite,class,code,codebase,color,cols,colspan,content,http-equiv,' + 'name,contenteditable,contextmenu,controls,coords,data,datetime,default,' + 'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,method,for,' + 'form,formaction,headers,<th>,height,hidden,high,href,hreflang,http-equiv,' + 'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' + 'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' + 'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' + 'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' + 'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' + 'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' + 'target,title,type,usemap,value,width,wrap');
|
|
|
|
/* istanbul ignore next */
|
|
var isRenderableAttr = function isRenderableAttr(name) {
|
|
return isAttr(name) || name.indexOf('data-') === 0 || name.indexOf('aria-') === 0;
|
|
};
|
|
var propsToAttrMap = {
|
|
acceptCharset: 'accept-charset',
|
|
className: 'class',
|
|
htmlFor: 'for',
|
|
httpEquiv: 'http-equiv'
|
|
};
|
|
|
|
var isFalsyAttrValue = function isFalsyAttrValue(val) {
|
|
return val == null || val === false;
|
|
};
|
|
|
|
function genClassForVnode(vnode) {
|
|
var data = vnode.data;
|
|
// Important: check if this is a component container node
|
|
// or a child component root node
|
|
var i = void 0;
|
|
if ((i = vnode.child) && (i = i._vnode.data)) {
|
|
data = mergeClassData(i, data);
|
|
}
|
|
if ((i = vnode.parent) && (i = i.data)) {
|
|
data = mergeClassData(data, i);
|
|
}
|
|
return genClassFromData(data);
|
|
}
|
|
|
|
function mergeClassData(child, parent) {
|
|
return {
|
|
staticClass: concat(child.staticClass, parent.staticClass),
|
|
class: child.class ? [child.class, parent.class] : parent.class
|
|
};
|
|
}
|
|
|
|
function genClassFromData(data) {
|
|
var dynamicClass = data.class;
|
|
var staticClass = data.staticClass;
|
|
if (staticClass || dynamicClass) {
|
|
return concat(staticClass, stringifyClass(dynamicClass));
|
|
}
|
|
/* istanbul ignore next */
|
|
return '';
|
|
}
|
|
|
|
function concat(a, b) {
|
|
return a ? b ? a + ' ' + b : a : b || '';
|
|
}
|
|
|
|
function stringifyClass(value) {
|
|
var res = '';
|
|
if (!value) {
|
|
return res;
|
|
}
|
|
if (typeof value === 'string') {
|
|
return value;
|
|
}
|
|
if (Array.isArray(value)) {
|
|
var stringified = void 0;
|
|
for (var i = 0, l = value.length; i < l; i++) {
|
|
if (value[i]) {
|
|
if (stringified = stringifyClass(value[i])) {
|
|
res += stringified + ' ';
|
|
}
|
|
}
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
if (isObject(value)) {
|
|
for (var key in value) {
|
|
if (value[key]) res += key + ' ';
|
|
}
|
|
return res.slice(0, -1);
|
|
}
|
|
/* istanbul ignore next */
|
|
return res;
|
|
}
|
|
|
|
var isReservedTag = makeMap('html,base,head,link,meta,style,title,' + 'address,article,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' + 'div,dd,dl,dt,figcaption,figure,hr,img,li,main,ol,p,pre,ul,' + 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' + 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' + 'embed,object,param,source,canvas,script,noscript,del,ins,' + 'caption,col,colgroup,table,thead,tbody,td,th,tr,' + 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' + 'output,progress,select,textarea,' + 'details,dialog,menu,menuitem,summary,' + 'content,element,shadow,template');
|
|
|
|
var isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' + 'link,meta,param,source,track,wbr', true);
|
|
|
|
// Elements that you can, intentionally, leave open
|
|
// (and which close themselves)
|
|
var canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source', true);
|
|
|
|
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
|
|
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
|
|
var isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' + 'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' + 'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' + 'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' + 'title,tr,track', true);
|
|
|
|
// this map covers namespace elements that can appear as template root nodes
|
|
var isSVG = makeMap('svg,g,defs,symbol,use,image,text,circle,ellipse,' + 'line,path,polygon,polyline,rect', true);
|
|
|
|
var UA$1 = inBrowser && window.navigator.userAgent.toLowerCase();
|
|
var isIE = UA$1 && /msie|trident/.test(UA$1);
|
|
var isIE9 = UA$1 && UA$1.indexOf('msie 9.0') > 0;
|
|
var isAndroid = UA$1 && UA$1.indexOf('android') > 0;
|
|
|
|
function renderAttrs(node) {
|
|
var res = '';
|
|
if (node.data.staticAttrs) {
|
|
res += render(node.data.staticAttrs);
|
|
}
|
|
if (node.data.attrs) {
|
|
res += render(node.data.attrs);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function render(attrs) {
|
|
var res = '';
|
|
for (var _key in attrs) {
|
|
if (_key === 'style') {
|
|
// leave it to the style module
|
|
continue;
|
|
}
|
|
res += renderAttr(_key, attrs[_key]);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function renderAttr(key, value) {
|
|
if (isBooleanAttr(key)) {
|
|
if (!isFalsyAttrValue(value)) {
|
|
return ' ' + key + '="' + key + '"';
|
|
}
|
|
} else if (isEnumeratedAttr(key)) {
|
|
return ' ' + key + '="' + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + '"';
|
|
} else if (!isFalsyAttrValue(value)) {
|
|
return ' ' + key + '="' + value + '"';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function props (node) {
|
|
var props = node.data.props;
|
|
var res = '';
|
|
if (props) {
|
|
for (var key in props) {
|
|
if (key === 'innerHTML') {
|
|
setText(node, props[key], true);
|
|
} else if (key === 'textContent') {
|
|
setText(node, props[key]);
|
|
} else {
|
|
var attr = propsToAttrMap[key] || key.toLowerCase();
|
|
if (isRenderableAttr(attr)) {
|
|
res += renderAttr(attr, props[key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
function setText(node, text, raw) {
|
|
var child = new VNode(undefined, undefined, undefined, text);
|
|
child.raw = raw;
|
|
node.children = [child];
|
|
}
|
|
|
|
function renderClass(node) {
|
|
if (node.data.class || node.data.staticClass) {
|
|
return ' class="' + genClassForVnode(node) + '"';
|
|
}
|
|
}
|
|
|
|
function renderStyle(node) {
|
|
var staticStyle = node.data.staticAttrs && node.data.staticAttrs.style;
|
|
if (node.data.style || staticStyle) {
|
|
var styles = node.data.style;
|
|
var res = ' style="';
|
|
if (styles) {
|
|
if (Array.isArray(styles)) {
|
|
styles = toObject(styles);
|
|
}
|
|
for (var key in styles) {
|
|
res += hyphenate(key) + ':' + styles[key] + ';';
|
|
}
|
|
}
|
|
return res + (staticStyle || '') + '"';
|
|
}
|
|
}
|
|
|
|
var modules = [renderAttrs, props, renderClass, renderStyle];
|
|
|
|
function show(node, dir) {
|
|
if (!dir.value) {
|
|
var style = node.data.style || (node.data.style = {});
|
|
style.display = 'none';
|
|
}
|
|
}
|
|
|
|
var baseDirectives = {
|
|
show: show
|
|
};
|
|
|
|
function createRenderer() {
|
|
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
|
|
|
|
// user can provide server-side implementations for custom directives
|
|
// when creating the renderer.
|
|
var directives = Object.assign(baseDirectives, options.directives);
|
|
return createRenderer$1({
|
|
isUnaryTag: isUnaryTag,
|
|
modules: modules,
|
|
directives: directives,
|
|
cache: options.cache || {}
|
|
});
|
|
}
|
|
|
|
var createBundleRenderer = createBundleRendererCreator(createRenderer);
|
|
|
|
exports.createRenderer = createRenderer;
|
|
exports.createBundleRenderer = createBundleRenderer; |