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| class Container { | |
| constructor() { | |
| this.defResolvers = {}; | |
| this.defPromises = {}; | |
| } | |
| require(depList, body) { | |
| let depPromises = depList.map(d => this.defPromise(d)); | |
| return Promise.all(depPromises) | |
| .then((deps) => body(...deps)) | |
| .catch(name => { | |
| throw `Unable to require ${name}`; | |
| }); | |
| } | |
| define(name, depList, definition) { | |
| let resolver = this.defResolver(name); | |
| return this.require(depList, (...deps) => resolver(definition(...deps))); | |
| } | |
| defPromise(name) { | |
| if (!this.defPromises[name]) { | |
| this.defPromises[name] = new Promise((resolve, reject) => { | |
| let timer = setTimeout(() => reject(name), 1000); | |
| this.defResolvers[name] = obj => { clearTimeout(timer); return resolve(obj) }; | |
| }); | |
| } | |
| return this.defPromises[name]; | |
| } | |
| defResolver(name) { | |
| this.defPromise(name); | |
| return this.defResolvers[name]; | |
| } | |
| } | |
| var ties = new Container; | |
| ties.require(["messenger", "privet"], ({ Email, Sms }, privet) => { | |
| privet(); | |
| // .... | |
| }); | |
| ties.define("messenger", [], () => { | |
| class Email {} | |
| class Sms {} | |
| return { Email, Sms }; | |
| }); | |
| ties.define("privet", [], () => { | |
| return () => { console.log('privet') }; | |
| }); |
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