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增加支持客户端的eventCenter代理类，解决从@tarojs/taro导入的eventCenter为空的问题 #47
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| Original file line number | Diff line number | Diff line change | ||||
|---|---|---|---|---|---|---|
| @@ -0,0 +1,84 @@ | ||||||
| /** | ||||||
| * Taro事件中心代理类 | ||||||
| * 实现客户端懒加载@tarojs/runtime中的eventCenter | ||||||
| * 解决从@tarojs/taro导入的eventCenter为空的问题 | ||||||
| */ | ||||||
| import promisify from 'mpromisify' | ||||||
| import { limited } from '../_util' | ||||||
|
|
||||||
| // 单例实例 | ||||||
| let instance: EventCenterProxy | ||||||
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||||||
| interface EventCenterProxy { | ||||||
| ready: boolean | ||||||
| eventCenter: any | ||||||
| pendingCalls: any[] | ||||||
| } | ||||||
|
|
||||||
| class EventCenterProxy { | ||||||
| constructor() { | ||||||
| if (instance) { | ||||||
| return instance | ||||||
| } | ||||||
|
|
||||||
| this.ready = false | ||||||
| this.eventCenter = null | ||||||
| this.pendingCalls = [] | ||||||
| // eslint-disable-next-line @typescript-eslint/no-this-alias | ||||||
| instance = this | ||||||
| } | ||||||
|
|
||||||
| // 获取单例实例 | ||||||
| static getInstance() { | ||||||
| if (!instance) { | ||||||
| instance = new EventCenterProxy() | ||||||
| } | ||||||
| return instance | ||||||
| } | ||||||
|
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||||||
| // 加载真实eventCenter | ||||||
| async loadEventCenter() { | ||||||
|
||||||
| try { | ||||||
| const { eventCenter } = await import('@tarojs/runtime') | ||||||
| this.eventCenter = eventCenter | ||||||
| this.ready = true | ||||||
|
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||||||
| // 执行所有待处理的调用 | ||||||
| this.pendingCalls.forEach(({ method, args, resolve }) => { | ||||||
| resolve(this.eventCenter[method](...args)) | ||||||
| }) | ||||||
| this.pendingCalls = [] | ||||||
| } catch (error) { | ||||||
| console.error('加载eventCenter失败:', error) | ||||||
| // 失败时也执行待处理调用，避免阻塞 | ||||||
| this.pendingCalls.forEach(({ reject }) => reject(error)) | ||||||
| this.pendingCalls = [] | ||||||
| } | ||||||
| } | ||||||
|
|
||||||
| // 创建代理方法 | ||||||
| createProxyMethod(method) { | ||||||
|
||||||
| createProxyMethod(method) { | |
| createProxyMethod(method: string) { |
Copilot uses AI. Check for mistakes.
Copilot
AI
Sep 10, 2025
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The loadEventCenter promise is created but not awaited or handled. This could lead to unhandled promise rejections if the loading fails. Consider using 'loadEventCenter().catch(() => {})' or properly handling the promise.
| loadEventCenter() // 触发加载 | |
| loadEventCenter().catch(() => {}) // 触发加载，避免未处理的promise拒绝 |
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The interface uses 'any' types which reduces type safety. Consider defining more specific types for 'eventCenter' and 'pendingCalls' to improve code maintainability and catch potential runtime errors.
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