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packages/rn-tester/js/examples/WebSocket/websocket_test_server.js
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Sam Zhou
Standardize subtyping error code into `incompatible-type` in react native and metro (#53312)
18 авг 2025, 19:04
18 авг 2025, 19:04
cf664c6
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#!/usr/bin/env node /** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow * @format */ 'use strict'; /* eslint-env node */ const fs = require('fs'); const path = require('path'); const WebSocket = require('ws'); console.log(`\ Test server for WebSocketExample This will send each incoming message right back to the other side. Restart with the '--binary' command line flag to have it respond with an ArrayBuffer instead of a string. `); const respondWithBinary = process.argv.indexOf('--binary') !== -1; const server = new WebSocket.Server({port: 5555}); server.on('connection', ws => { ws.on('message', message => { console.log('Received message:', message); if (respondWithBinary) { // $FlowFixMe[incompatible-type] message = Buffer.from(message); } if (message === 'getImage') { message = fs.readFileSync(path.resolve(__dirname, 'flux@3x.png')); } console.log('Replying with:', message); ws.send(message); }); console.log('Incoming connection!'); ws.send('Why hello there!'); });