角度2:错误TS2307:找不到模块'socket.io-client' [英] Angular 2: error TS2307: Cannot find module 'socket.io-client'

问题描述

安装模块socket.io

npm install socket.io --save

我遇到以下错误:

错误TS2307:找不到模块'socket.io-client'

导入

import * as io from 'socket.io-client';

systemjs.config.js

var map = {
    'socket.io-client': 'node_modules/socket.io-client/socket.io.js'
}

var packages = {
    'socket.io-client': { main: 'socket.io', format: 'cjs', defaultExtension: 'js' }
}

package.json

"dependencies": {
    "socket.io": "^1.4.8"
}

typings.d.ts

/// <reference path="../socket.io-client/socket.io.js" />

declare module 'socket.io-client' {
  var e: any;
  export = e;
}

socket.io-client(目录)
-socket.io.js
-Types.d.ts

socket.io-client (Directory)
- socket.io.js
- typings.d.ts

Angular 2 RC5

Angular 2 RC5

推荐答案

2018年更新

要在浏览器中正确使用socket.io，您需要同时安装socket.io客户端软件包及其类型:

Update 2018

To properly use socket.io in the browser you need to install both the socket.io client package and its typings:

npm i socket.io-client @types/socket.io-client 

---

过时:

您缺少键入内容. 打开typings.d.ts并添加

---

outdated:

You are missing typings. Open typings.d.ts and add

declare module 'socket.io-client' {
  var e: any;
  export = e;
}

您也可以尝试通过npm i @types/socket.io-client为socket.io安装类型.我不知道是否有可用的输入.

You can also try to install typings for socket.io via npm i @types/socket.io-client. I don't know if there are typings available, though.

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