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1017 lines
33 KiB
1017 lines
33 KiB
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } |
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(function (global, factory) { |
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : factory(global.Fix = global.Fix || {}); |
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})(this, function (exports) { |
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'use strict'; |
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function noop(a, b, c) {} |
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function isNative(Ctor) { |
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return typeof Ctor === 'function' && /native code/.test(Ctor.toString()); |
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} |
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var rhashcode = /\d\.\d{4}/; |
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//生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript |
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function makeHashCode(prefix) { |
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/* istanbul ignore next*/ |
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prefix = prefix || 'bi'; |
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/* istanbul ignore next*/ |
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return String(Math.random() + Math.random()).replace(rhashcode, prefix); |
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} |
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var hasProto = '__proto__' in {}; |
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var getIEVersion = function getIEVersion() { |
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var version = 0; |
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var agent = navigator.userAgent.toLowerCase(); |
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var v1 = agent.match(/(?:msie\s([\w.]+))/); |
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var v2 = agent.match(/(?:trident.*rv:([\w.]+))/); |
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if (v1 && v2 && v1[1] && v2[1]) { |
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version = Math.max(v1[1] * 1, v2[1] * 1); |
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} else if (v1 && v1[1]) { |
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version = v1[1] * 1; |
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} else if (v2 && v2[1]) { |
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version = v2[1] * 1; |
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} else { |
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version = 0; |
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} |
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return version; |
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}; |
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var isIE9Below = getIEVersion() < 9; |
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var _toString = Object.prototype.toString; |
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function isPlainObject(obj) { |
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return _toString.call(obj) === '[object Object]'; |
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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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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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} |
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var segments = path.split('.'); |
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return function (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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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.length = 0; |
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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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// An asynchronous deferring mechanism. |
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// In pre 2.4, we used to use microtasks (Promise/MutationObserver) |
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// but microtasks actually has too high a priority and fires in between |
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// supposedly sequential events (e.g. #4521, #6690) or even between |
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// bubbling of the same event (#6566). Technically setImmediate should be |
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// the ideal choice, but it's not available everywhere; and the only polyfill |
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// that consistently queues the callback after all DOM events triggered in the |
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// same loop is by using MessageChannel. |
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/* istanbul ignore if */ |
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if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) { |
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timerFunc = function timerFunc() { |
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setImmediate(nextTickHandler); |
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}; |
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} else if (typeof MessageChannel !== 'undefined' && (isNative(MessageChannel) || |
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// PhantomJS |
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MessageChannel.toString() === '[object MessageChannelConstructor]')) { |
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var channel = new MessageChannel(); |
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var port = channel.port2; |
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channel.port1.onmessage = nextTickHandler; |
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timerFunc = function timerFunc() { |
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port.postMessage(1); |
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}; |
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} else |
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/* istanbul ignore next */ |
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if (typeof Promise !== 'undefined' && isNative(Promise)) { |
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// use microtask in non-DOM environments, e.g. Weex |
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var p = Promise.resolve(); |
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timerFunc = function timerFunc() { |
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p.then(nextTickHandler); |
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}; |
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} else { |
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// fallback to setTimeout |
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timerFunc = function timerFunc() { |
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setTimeout(nextTickHandler, 0); |
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}; |
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} |
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return function queueNextTick(cb, ctx) { |
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var _resolve = void 0; |
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callbacks.push(function () { |
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if (cb) { |
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try { |
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cb.call(ctx); |
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} catch (e) {} |
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} else if (_resolve) { |
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_resolve(ctx); |
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} |
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}); |
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if (!pending) { |
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pending = true; |
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timerFunc(); |
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} |
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// $flow-disable-line |
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if (!cb && typeof Promise !== 'undefined') { |
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return new Promise(function (resolve, reject) { |
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_resolve = resolve; |
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}); |
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} |
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}; |
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}(); |
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var falsy; |
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var $$skipArray = { |
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__ob__: falsy, |
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$accessors: falsy, |
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$vbthis: falsy, |
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$vbsetter: falsy |
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}; |
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var uid = 0; |
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/** |
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* A dep is an observable that can have multiple |
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* directives subscribing to it. |
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*/ |
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var Dep = function () { |
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function Dep() { |
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_classCallCheck(this, Dep); |
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this.id = uid++; |
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this.subs = []; |
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} |
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Dep.prototype.addSub = function addSub(sub) { |
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this.subs.push(sub); |
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}; |
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Dep.prototype.removeSub = function removeSub(sub) { |
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remove(this.subs, sub); |
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}; |
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Dep.prototype.depend = function depend() { |
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if (Dep.target) { |
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Dep.target.addDep(this); |
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} |
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}; |
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Dep.prototype.notify = function notify() { |
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// stabilize the subscriber list first |
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var subs = this.subs.slice(); |
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for (var i = 0, l = subs.length; i < l; i++) { |
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subs[i].update(); |
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} |
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}; |
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return Dep; |
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}(); |
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// the current target watcher being evaluated. |
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// this is globally unique because there could be only one |
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// watcher being evaluated at any time. |
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Dep.target = null; |
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var targetStack = []; |
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function pushTarget(_target) { |
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if (Dep.target) targetStack.push(Dep.target); |
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Dep.target = _target; |
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} |
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function popTarget() { |
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Dep.target = targetStack.pop(); |
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} |
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var arrayProto = Array.prototype; |
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var arrayMethods = []; |
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_.each(['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'], function (method) { |
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var original = arrayProto[method]; |
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arrayMethods[method] = function mutator() { |
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for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { |
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args[_key] = arguments[_key]; |
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} |
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var ob = this.__ob__; |
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var inserted = void 0; |
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switch (method) { |
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case 'push': |
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case 'unshift': |
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inserted = args; |
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break; |
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case 'splice': |
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inserted = args.slice(2); |
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break; |
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} |
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if (inserted) inserted = ob.observeArray(inserted); |
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switch (method) { |
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case 'push': |
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case 'unshift': |
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args = inserted; |
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break; |
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case 'splice': |
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args = [args[0], args[1]].concat(inserted ? inserted : []); |
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break; |
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} |
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var result = original.apply(this, args); |
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ob.dep.notify(); |
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return result; |
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}; |
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}); |
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//如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8 |
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//标准浏览器使用__defineGetter__, __defineSetter__实现 |
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var canHideProperty = true; |
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try { |
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Object.defineProperty({}, '_', { |
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value: 'x' |
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}); |
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delete $$skipArray.$vbsetter; |
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delete $$skipArray.$vbthis; |
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} catch (e) { |
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/* istanbul ignore next*/ |
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canHideProperty = false; |
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} |
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var createViewModel = Object.defineProperties; |
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var defineProperty = void 0; |
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var timeBucket = new Date() - 0; |
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/* istanbul ignore if*/ |
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if (!canHideProperty) { |
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if ('__defineGetter__' in {}) { |
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defineProperty = function defineProperty(obj, prop, desc) { |
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if ('value' in desc) { |
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obj[prop] = desc.value; |
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} |
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if ('get' in desc) { |
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obj.__defineGetter__(prop, desc.get); |
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} |
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if ('set' in desc) { |
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obj.__defineSetter__(prop, desc.set); |
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} |
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return obj; |
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}; |
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createViewModel = function createViewModel(obj, descs) { |
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for (var prop in descs) { |
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if (descs.hasOwnProperty(prop)) { |
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defineProperty(obj, prop, descs[prop]); |
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} |
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} |
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return obj; |
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}; |
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} |
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/* istanbul ignore if*/ |
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if (isIE9Below) { |
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var VBClassPool = {}; |
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window.execScript([// jshint ignore:line |
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'Function parseVB(code)', '\tExecuteGlobal(code)', 'End Function' //转换一段文本为VB代码 |
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].join('\n'), 'VBScript'); |
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var VBMediator = function VBMediator(instance, accessors, name, value) { |
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// jshint ignore:line |
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var accessor = accessors[name]; |
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if (arguments.length === 4) { |
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accessor.set.call(instance, value); |
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} else { |
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return accessor.get.call(instance); |
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} |
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}; |
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createViewModel = function createViewModel(name, accessors, properties) { |
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// jshint ignore:line |
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var buffer = []; |
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buffer.push('\tPrivate [$vbsetter]', '\tPublic [$accessors]', '\tPublic Default Function [$vbthis](ac' + timeBucket + ', s' + timeBucket + ')', '\t\tSet [$accessors] = ac' + timeBucket + ': set [$vbsetter] = s' + timeBucket, '\t\tSet [$vbthis] = Me', //链式调用 |
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'\tEnd Function'); |
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//添加普通属性,因为VBScript对象不能像JS那样随意增删属性,必须在这里预先定义好 |
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var uniq = { |
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$vbthis: true, |
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$vbsetter: true, |
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$accessors: true |
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}; |
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for (name in $$skipArray) { |
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if (!uniq[name]) { |
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buffer.push('\tPublic [' + name + ']'); |
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uniq[name] = true; |
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} |
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} |
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//添加访问器属性 |
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for (name in accessors) { |
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if (uniq[name]) { |
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continue; |
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} |
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uniq[name] = true; |
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buffer.push( |
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//由于不知对方会传入什么,因此set, let都用上 |
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'\tPublic Property Let [' + name + '](val' + timeBucket + ')', //setter |
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'\t\tCall [$vbsetter](Me, [$accessors], "' + name + '", val' + timeBucket + ')', '\tEnd Property', '\tPublic Property Set [' + name + '](val' + timeBucket + ')', //setter |
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'\t\tCall [$vbsetter](Me, [$accessors], "' + name + '", val' + timeBucket + ')', '\tEnd Property', '\tPublic Property Get [' + name + ']', //getter |
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'\tOn Error Resume Next', //必须优先使用set语句,否则它会误将数组当字符串返回 |
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'\t\tSet[' + name + '] = [$vbsetter](Me, [$accessors],"' + name + '")', '\tIf Err.Number <> 0 Then', '\t\t[' + name + '] = [$vbsetter](Me, [$accessors],"' + name + '")', '\tEnd If', '\tOn Error Goto 0', '\tEnd Property'); |
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} |
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for (name in properties) { |
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if (!uniq[name]) { |
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uniq[name] = true; |
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buffer.push('\tPublic [' + name + ']'); |
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} |
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} |
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|
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buffer.push('\tPublic [hasOwnProperty]'); |
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buffer.push('End Class'); |
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var body = buffer.join('\r\n'); |
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var className = VBClassPool[body]; |
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if (!className) { |
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className = makeHashCode('VBClass'); |
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window.parseVB('Class ' + className + body); |
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window.parseVB(['Function ' + className + 'Factory(acc, vbm)', //创建实例并传入两个关键的参数 |
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'\tDim o', '\tSet o = (New ' + className + ')(acc, vbm)', '\tSet ' + className + 'Factory = o', 'End Function'].join('\r\n')); |
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VBClassPool[body] = className; |
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} |
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var ret = window[className + 'Factory'](accessors, VBMediator); //得到其产品 |
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return ret; //得到其产品 |
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}; |
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} |
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} |
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var createViewModel$1 = createViewModel; |
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|
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var arrayKeys = _.keys(arrayMethods); |
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|
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var observerState = { |
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shouldConvert: true |
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}; |
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|
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/** |
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* Observer class that are attached to each observed |
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* object. Once attached, the observer converts target |
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* object's property keys into getter/setters that |
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* collect dependencies and dispatches updates. |
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*/ |
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var Observer = function () { |
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function Observer(value) { |
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_classCallCheck(this, Observer); |
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this.value = value; |
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this.dep = new Dep(); |
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this.vmCount = 0; |
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if (_.isArray(value)) { |
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var augment = hasProto ? protoAugment : copyAugment; |
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augment(value, arrayMethods, arrayKeys); |
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this.model = this.observeArray(value); |
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} else { |
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this.model = this.walk(value); |
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} |
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this.model['__ob__'] = this; |
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} |
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Observer.prototype.walk = function walk(obj) { |
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return defineReactive(obj); |
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}; |
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Observer.prototype.observeArray = function observeArray(items) { |
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for (var i = 0, l = items.length; i < l; i++) { |
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items[i] = observe(items[i]).model; |
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} |
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return items; |
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}; |
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return Observer; |
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}(); |
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function protoAugment(target, src, keys) { |
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/* eslint-disable no-proto */ |
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target.__proto__ = src; |
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/* eslint-enable no-proto */ |
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} |
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/* istanbul ignore next */ |
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function copyAugment(target, src, keys) { |
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for (var i = 0, l = keys.length; i < l; i++) { |
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var key = keys[i]; |
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target[key] = src[key]; |
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} |
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} |
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|
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function observe(value, asRootData) { |
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if (!_.isObject(value)) { |
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return; |
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} |
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var ob = void 0; |
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if (_.has(value, '__ob__') && value.__ob__ instanceof Observer) { |
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ob = value.__ob__; |
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} else if (observerState.shouldConvert && (_.isArray(value) || isPlainObject(value)) && !value._isVue) { |
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ob = new Observer(value); |
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} |
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if (asRootData && ob) { |
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ob.vmCount++; |
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} |
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return ob; |
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} |
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|
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function defineReactive(obj, observer, shallow) { |
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|
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var props = {}; |
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_.each(obj, function (val, key) { |
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if (key in $$skipArray) { |
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return; |
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} |
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var dep = observer && observer['__dep' + key] || new Dep(); |
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observer && (observer['__dep' + key] = dep); |
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var childOb = !shallow && observe(val); |
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props[key] = { |
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enumerable: true, |
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configurable: true, |
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get: function reactiveGetter() { |
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var value = val; |
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if (Dep.target) { |
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dep.depend(); |
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if (childOb) { |
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childOb.dep.depend(); |
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if (_.isArray(value)) { |
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dependArray(value); |
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} |
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} |
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} |
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return value; |
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}, |
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set: function reactiveSetter(newVal) { |
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var value = val; |
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if (newVal === value || newVal !== newVal && value !== value) { |
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return; |
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} |
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val = newVal; |
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childOb = !shallow && observe(newVal); |
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obj[key] = childOb ? childOb.model : newVal; |
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dep.notify(); |
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} |
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}; |
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}); |
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return createViewModel$1(obj, props); |
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} |
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|
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/** |
|
* Set a property on an object. Adds the new property and |
|
* triggers change notification if the property doesn't |
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* already exist. |
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*/ |
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function set(target, key, val) { |
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if (_.isArray(target)) { |
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target.length = Math.max(target.length, key); |
|
target.splice(key, 1, val); |
|
return val; |
|
} |
|
if (_.has(target, key)) { |
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target[key] = val; |
|
return val; |
|
} |
|
var ob = target.__ob__; |
|
if (target._isVue || ob && ob.vmCount) { |
|
return val; |
|
} |
|
if (!ob) { |
|
target[key] = val; |
|
return val; |
|
} |
|
ob.value[key] = val; |
|
target = defineReactive(ob.value, ob); |
|
ob.dep.notify(); |
|
return target; |
|
} |
|
|
|
/** |
|
* Delete a property and trigger change if necessary. |
|
*/ |
|
function del(target, key) { |
|
if (_.isArray(target)) { |
|
target.splice(key, 1); |
|
return; |
|
} |
|
var ob = target.__ob__; |
|
if (target._isVue || ob && ob.vmCount) { |
|
return; |
|
} |
|
if (!_.has(target, key)) { |
|
return; |
|
} |
|
if (!ob) { |
|
delete target[key]; |
|
return target; |
|
} |
|
delete ob.value[key]; |
|
target = defineReactive(ob.value, ob); |
|
ob.dep.notify(); |
|
return target; |
|
} |
|
|
|
/** |
|
* Collect dependencies on array elements when the array is touched, since |
|
* we cannot intercept array element access like property getters. |
|
*/ |
|
function dependArray(value) { |
|
for (var e, i = 0, l = value.length; i < l; i++) { |
|
e = value[i]; |
|
e && e.__ob__ && e.__ob__.dep.depend(); |
|
if (_.isArray(e)) { |
|
dependArray(e); |
|
} |
|
} |
|
} |
|
|
|
var queue = []; |
|
var activatedChildren = []; |
|
var has = {}; |
|
var waiting = false; |
|
var flushing = false; |
|
var index = 0; |
|
|
|
function resetSchedulerState() { |
|
index = queue.length = activatedChildren.length = 0; |
|
has = {}; |
|
waiting = flushing = false; |
|
} |
|
|
|
function flushSchedulerQueue() { |
|
flushing = true; |
|
var watcher = void 0, |
|
id = void 0; |
|
|
|
// Sort queue before flush. |
|
// This ensures that: |
|
// 1. Components are updated from parent to child. (because parent is always |
|
// created before the child) |
|
// 2. A component's user watchers are run before its render watcher (because |
|
// user watchers are created before the render watcher) |
|
// 3. If a component is destroyed during a parent component's watcher run, |
|
// its watchers can be skipped. |
|
queue.sort(function (a, b) { |
|
return a.id - b.id; |
|
}); |
|
|
|
// do not cache length because more watchers might be pushed |
|
// as we run existing watchers |
|
for (index = 0; index < queue.length; index++) { |
|
watcher = queue[index]; |
|
id = watcher.id; |
|
has[id] = null; |
|
watcher.run(); |
|
} |
|
|
|
resetSchedulerState(); |
|
} |
|
|
|
function queueWatcher(watcher) { |
|
var id = watcher.id; |
|
if (has[id] == null) { |
|
has[id] = true; |
|
if (!flushing) { |
|
queue.push(watcher); |
|
} else { |
|
// if already flushing, splice the watcher based on its id |
|
// if already past its id, it will be run next immediately. |
|
var i = queue.length - 1; |
|
while (i > index && queue[i].id > watcher.id) { |
|
i--; |
|
} |
|
queue.splice(i + 1, 0, watcher); |
|
} |
|
// queue the flush |
|
if (!waiting) { |
|
waiting = true; |
|
nextTick(flushSchedulerQueue); |
|
} |
|
} |
|
} |
|
|
|
var uid$1 = 0; |
|
|
|
var Watcher = function () { |
|
function Watcher(vm, expOrFn, cb, options) { |
|
_classCallCheck(this, Watcher); |
|
|
|
this.vm = vm; |
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// vm._watchers || (vm._watchers = []) |
|
// vm._watchers.push(this) |
|
// options |
|
if (options) { |
|
this.deep = !!options.deep; |
|
this.user = !!options.user; |
|
this.lazy = !!options.lazy; |
|
this.sync = !!options.sync; |
|
} else { |
|
this.deep = this.user = this.lazy = this.sync = false; |
|
} |
|
this.cb = cb; |
|
this.id = ++uid$1; // uid for batching |
|
this.active = true; |
|
this.dirty = this.lazy; // for lazy watchers |
|
this.deps = []; |
|
this.newDeps = []; |
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this.depIds = new Set(); |
|
this.newDepIds = new Set(); |
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this.expression = ''; |
|
// parse expression for getter |
|
if (typeof expOrFn === 'function') { |
|
this.getter = expOrFn; |
|
} else { |
|
this.getter = parsePath(expOrFn); |
|
if (!this.getter) { |
|
this.getter = function () {}; |
|
} |
|
} |
|
this.value = this.lazy ? undefined : this.get(); |
|
} |
|
|
|
Watcher.prototype.get = function get() { |
|
pushTarget(this); |
|
var value = void 0; |
|
var vm = this.vm; |
|
try { |
|
value = this.getter.call(vm, vm); |
|
} catch (e) { |
|
if (this.user) {} else { |
|
throw e; |
|
} |
|
} finally { |
|
// "touch" every property so they are all tracked as |
|
// dependencies for deep watching |
|
if (this.deep) { |
|
traverse(value); |
|
} |
|
popTarget(); |
|
this.cleanupDeps(); |
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} |
|
return value; |
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}; |
|
|
|
Watcher.prototype.addDep = function addDep(dep) { |
|
var id = dep.id; |
|
if (!this.newDepIds.has(id)) { |
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this.newDepIds.add(id); |
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this.newDeps.push(dep); |
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if (!this.depIds.has(id)) { |
|
dep.addSub(this); |
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} |
|
} |
|
}; |
|
|
|
Watcher.prototype.cleanupDeps = function cleanupDeps() { |
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var i = this.deps.length; |
|
while (i--) { |
|
var dep = this.deps[i]; |
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if (!this.newDepIds.has(dep.id)) { |
|
dep.removeSub(this); |
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} |
|
} |
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var tmp = this.depIds; |
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this.depIds = this.newDepIds; |
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this.newDepIds = tmp; |
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this.newDepIds.clear(); |
|
tmp = this.deps; |
|
this.deps = this.newDeps; |
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this.newDeps = tmp; |
|
this.newDeps.length = 0; |
|
}; |
|
|
|
Watcher.prototype.update = function update() { |
|
/* istanbul ignore else */ |
|
if (this.lazy) { |
|
this.dirty = true; |
|
} else if (this.sync) { |
|
this.run(); |
|
} else { |
|
queueWatcher(this); |
|
} |
|
}; |
|
|
|
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) {} |
|
} else { |
|
this.cb.call(this.vm, value, oldValue); |
|
} |
|
} |
|
} |
|
}; |
|
|
|
Watcher.prototype.evaluate = function evaluate() { |
|
this.value = this.get(); |
|
this.dirty = false; |
|
}; |
|
|
|
Watcher.prototype.depend = function depend() { |
|
var i = this.deps.length; |
|
while (i--) { |
|
this.deps[i].depend(); |
|
} |
|
}; |
|
|
|
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. |
|
if (!this.vm._isBeingDestroyed) { |
|
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) { |
|
seenObjects.clear(); |
|
_traverse(val, seenObjects); |
|
} |
|
|
|
function _traverse(val, seen) { |
|
var i = void 0, |
|
keys = void 0; |
|
var isA = _.isArray(val); |
|
if (!isA && !_.isObject(val)) { |
|
return; |
|
} |
|
if (val.__ob__) { |
|
var depId = val.__ob__.dep.id; |
|
if (seen.has(depId)) { |
|
return; |
|
} |
|
seen.add(depId); |
|
} |
|
if (isA) { |
|
i = val.length; |
|
while (i--) { |
|
_traverse(val[i], seen); |
|
} |
|
} else { |
|
keys = _.keys(val); |
|
i = keys.length; |
|
while (i--) { |
|
_traverse(val[keys[i]], seen); |
|
} |
|
} |
|
} |
|
|
|
var computedWatcherOptions = { lazy: true }; |
|
|
|
function initComputed(vm, computed) { |
|
var watchers = vm._computedWatchers = {}; |
|
|
|
defineComputed(vm, computed); |
|
|
|
for (var key in computed) { |
|
var userDef = computed[key], |
|
context = vm.$$model ? vm.model : vm; |
|
var getter = typeof userDef === 'function' ? _.bind(userDef, context) : _.bind(userDef.get, context); |
|
|
|
watchers[key] = new Watcher(vm.$$computed, getter || noop, noop, computedWatcherOptions); |
|
} |
|
} |
|
|
|
function defineComputed(target, computed) { |
|
var props = {}; |
|
var shouldCache = true; |
|
for (var key in computed) { |
|
if (!(key in target)) { |
|
var sharedPropertyDefinition = { |
|
enumerable: true, |
|
configurable: true, |
|
get: noop, |
|
set: noop |
|
}; |
|
var userDef = computed[key]; |
|
if (typeof userDef === 'function') { |
|
sharedPropertyDefinition.get = createComputedGetter(target, key); |
|
sharedPropertyDefinition.set = noop; |
|
} else { |
|
sharedPropertyDefinition.get = userDef.get ? shouldCache && userDef.cache !== false ? createComputedGetter(key) : userDef.get : noop; |
|
sharedPropertyDefinition.set = userDef.set ? userDef.set : noop; |
|
} |
|
|
|
props[key] = sharedPropertyDefinition; |
|
} |
|
} |
|
target.$$computed = createViewModel$1({}, props); |
|
} |
|
|
|
function createComputedGetter(vm, key) { |
|
return function computedGetter() { |
|
var watcher = vm._computedWatchers && vm._computedWatchers[key]; |
|
if (watcher) { |
|
if (watcher.dirty) { |
|
watcher.evaluate(); |
|
} |
|
if (Dep.target) { |
|
watcher.depend(); |
|
} |
|
return watcher.value; |
|
} |
|
}; |
|
} |
|
|
|
function initMethods(vm, methods) { |
|
for (var key in methods) { |
|
vm[key] = methods[key] == null ? noop : _.bind(methods[key], vm.$$model ? vm.model : vm); |
|
} |
|
} |
|
|
|
function createWatcher(vm, keyOrFn, handler, options) { |
|
if (isPlainObject(handler)) { |
|
options = handler; |
|
handler = handler.handler; |
|
} |
|
if (typeof handler === 'string') { |
|
handler = vm[handler]; |
|
} |
|
return vm.$watch(keyOrFn, handler, options); |
|
} |
|
|
|
var falsy$1; |
|
var operators = { |
|
'||': falsy$1, |
|
'&&': falsy$1, |
|
'(': falsy$1, |
|
')': falsy$1 |
|
}; |
|
|
|
function runBinaryFunction(binarys) { |
|
var expr = ''; |
|
for (var i = 0, len = binarys.length; i < len; i++) { |
|
if (_.isBoolean(binarys[i]) || _.has(operators, binarys[i])) { |
|
expr += binarys[i]; |
|
} else { |
|
expr += 'false'; |
|
} |
|
} |
|
return new Function('return ' + expr)(); |
|
} |
|
|
|
var VM = function () { |
|
function VM(model) { |
|
_classCallCheck(this, VM); |
|
|
|
var vm = this; |
|
if (model instanceof Observer || model instanceof VM) { |
|
model = model.model; |
|
} |
|
if (_.has(model, '__ob__')) { |
|
this.$$model = model; |
|
} else { |
|
this.options = model || {}; |
|
} |
|
var keys = _.keys(this.$$model).concat(_.keys(this.computed)); |
|
var props = {}; |
|
|
|
var _loop = function _loop(i, len) { |
|
var key = keys[i]; |
|
if (!(key in $$skipArray)) { |
|
props[key] = { |
|
enumerable: true, |
|
configurable: true, |
|
get: function get() { |
|
return key in vm.$$computed ? vm.$$computed[key] : vm.$$model[key]; |
|
}, |
|
set: function set(val) { |
|
if (!vm.$$model || !(key in vm.$$model)) { |
|
return; |
|
} |
|
return vm.$$model[key] = val; |
|
} |
|
}; |
|
} |
|
}; |
|
|
|
for (var i = 0, len = keys.length; i < len; i++) { |
|
_loop(i, len); |
|
} |
|
this.model = createViewModel$1({}, props); |
|
this.$$model && (this.model.__ob__ = this.$$model.__ob__); |
|
initComputed(this, this.computed); |
|
initMethods(this, this.actions); |
|
this._init(); |
|
} |
|
|
|
VM.prototype.$watch = function $watch(expOrFn, cb, options) { |
|
var vm = this; |
|
if (isPlainObject(cb)) { |
|
return createWatcher(vm, expOrFn, cb, options); |
|
} |
|
options = options || {}; |
|
options.user = true; |
|
var exps = void 0; |
|
if (_.isFunction(expOrFn) || !(exps = expOrFn.match(/[a-zA-Z0-9_.]+|[|][|]|[&][&]|[(]|[)]/g)) || exps.length === 1) { |
|
var watcher = new Watcher(vm.model, expOrFn, _.bind(cb, vm), options); |
|
if (options.immediate) { |
|
cb.call(vm, watcher.value); |
|
} |
|
return function unwatchFn() { |
|
watcher.teardown(); |
|
}; |
|
} |
|
var watchers = []; |
|
var fns = exps.slice(); |
|
var complete = false; |
|
_.each(exps, function (exp, i) { |
|
if (_.has(operators, exp)) { |
|
return; |
|
} |
|
var watcher = new Watcher(vm.model, exp, function () { |
|
if (complete === true) { |
|
return; |
|
} |
|
fns[i] = true; |
|
if (runBinaryFunction(fns)) { |
|
complete = true; |
|
cb.call(vm); |
|
fns = exps.slice(); |
|
nextTick(function () { |
|
complete = true; |
|
}); |
|
} |
|
}, options); |
|
watchers.push(function unwatchFn() { |
|
watcher.teardown(); |
|
}); |
|
}); |
|
return watchers; |
|
}; |
|
|
|
VM.prototype._init = function _init() {}; |
|
|
|
VM.prototype.destroy = function destroy() { |
|
for (var _key2 in this._computedWatchers) { |
|
this._computedWatchers[_key2].teardown(); |
|
} |
|
}; |
|
|
|
return VM; |
|
}(); |
|
|
|
function define(model) { |
|
return new Observer(model).model; |
|
} |
|
var version = '2.0'; |
|
|
|
exports.define = define; |
|
exports.version = version; |
|
exports.$$skipArray = $$skipArray; |
|
exports.VM = VM; |
|
exports.observerState = observerState; |
|
exports.Observer = Observer; |
|
exports.observe = observe; |
|
exports.defineReactive = defineReactive; |
|
exports.set = set; |
|
exports.del = del; |
|
exports.Watcher = Watcher; |
|
|
|
exports.__esModule = true; |
|
}); |