mirror of
https://github.com/socketio/socket.io.git
synced 2026-04-30 03:00:39 -04:00
27de300de4
This change allows us to:
- reduce the size of the bundle
- provide an ESM bundle (for usage in <script type="module">)
BREAKING CHANGE: due to how default export works with ES modules, we
have removed the default export of the library, which means the
following code:
```js
require("engine.io-client")(...);
```
will not work anymore. The named export must be used instead:
```js
const { Socket } = require("engine.io-client);
// or import { Socket } from "engine.io-client";
const socket = new Socket(...);
```
Note: the UMD build still exposes a function though:
```html
<script src="/path/to/engine.io.js"></script>
<script>
const socket = eio(...);
</script>
```
Note: webpack is still used with zuul because of the custom builder
(zuul-builder-webpack)
47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
// this is a test server to support tests which make requests
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const express = require("express");
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const app = express();
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const join = require("path").join;
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const http = require("http").Server(app);
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const server = require("engine.io").attach(http, { pingInterval: 500 });
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const { rollup } = require("rollup");
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const rollupConfig = require("../../support/rollup.config.umd.js");
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rollup(rollupConfig).then(async bundle => {
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await bundle.write({
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...rollupConfig.output[1],
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file: "./test/support/public/engine.io.min.js",
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sourcemap: false
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});
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await bundle.close();
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});
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http.listen(process.env.ZUUL_PORT || 3000);
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// serve worker.js and engine.io.js as raw file
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app.use("/test/support", express.static(join(__dirname, "public")));
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server.on("connection", socket => {
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socket.send("hi");
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// Bounce any received messages back
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socket.on("message", data => {
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if (data === "give binary") {
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const abv = new Int8Array(5);
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for (let i = 0; i < 5; i++) {
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abv[i] = i;
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}
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socket.send(abv);
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return;
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} else if (data === "give utf8") {
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socket.send("пойду спать всем спокойной ночи");
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return;
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}
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socket.send(data);
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});
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});
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