47 lines
1.0 KiB
JavaScript
47 lines
1.0 KiB
JavaScript
/**
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* 一个简单到发指的 WebSocket 类
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* @author yutent<yutent.io@gmail.com>
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* @date 2023/01/17 17:32:51
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*/
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import { WebSocketServer } from 'ws'
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class WebSocket {
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#clients = new Map()
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#queue = [] // 消息队列
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constructor(server) {
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if (server.listening) {
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let conn = new WebSocketServer({ server, path: '/ws-fite-hmr' })
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conn.on('connection', (client, req) => {
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let params = new URLSearchParams(req.url.slice(req.url.indexOf('?')))
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let session = params.get('session')
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this.#clients.set(session, client)
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client.once('close', _ => {
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this.#clients.delete(session)
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})
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while (this.#queue.length) {
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let msg = this.#queue.shift()
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this.send(msg)
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}
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})
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}
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}
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send(msg = {}) {
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if (this.#clients.size) {
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for (let [key, client] of this.#clients.entries()) {
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client.send(JSON.stringify(msg))
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}
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} else {
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this.#queue.push(msg)
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}
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}
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}
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export default function (server) {
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return new WebSocket(server)
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}
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