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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/event-emitter/unify.js
| 50 lines
| 1.3 KiB
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | |||
| var forEach = require('es5-ext/object/for-each') | ||||
| , validValue = require('es5-ext/object/valid-object') | ||||
| , push = Array.prototype.apply, defineProperty = Object.defineProperty | ||||
| , create = Object.create, hasOwnProperty = Object.prototype.hasOwnProperty | ||||
| , d = { configurable: true, enumerable: false, writable: true }; | ||||
| module.exports = function (e1, e2) { | ||||
| var data; | ||||
| (validValue(e1) && validValue(e2)); | ||||
| if (!hasOwnProperty.call(e1, '__ee__')) { | ||||
| if (!hasOwnProperty.call(e2, '__ee__')) { | ||||
| d.value = create(null); | ||||
| defineProperty(e1, '__ee__', d); | ||||
| defineProperty(e2, '__ee__', d); | ||||
| d.value = null; | ||||
| return; | ||||
| } | ||||
| d.value = e2.__ee__; | ||||
| defineProperty(e1, '__ee__', d); | ||||
| d.value = null; | ||||
| return; | ||||
| } | ||||
| data = d.value = e1.__ee__; | ||||
| if (!hasOwnProperty.call(e2, '__ee__')) { | ||||
| defineProperty(e2, '__ee__', d); | ||||
| d.value = null; | ||||
| return; | ||||
| } | ||||
| if (data === e2.__ee__) return; | ||||
| forEach(e2.__ee__, function (listener, name) { | ||||
| if (!data[name]) { | ||||
| data[name] = listener; | ||||
| return; | ||||
| } | ||||
| if (typeof data[name] === 'object') { | ||||
| if (typeof listener === 'object') push.apply(data[name], listener); | ||||
| else data[name].push(listener); | ||||
| } else if (typeof listener === 'object') { | ||||
| listener.unshift(data[name]); | ||||
| data[name] = listener; | ||||
| } else { | ||||
| data[name] = [data[name], listener]; | ||||
| } | ||||
| }); | ||||
| defineProperty(e2, '__ee__', d); | ||||
| d.value = null; | ||||
| }; | ||||