67 lines
2.7 KiB
Markdown
67 lines
2.7 KiB
Markdown
<div align="center">
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<img src="misc/logo.svg" height="180" />
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*µWebSockets™ (it's "[micro](https://en.wikipedia.org/wiki/Micro-)") is simple, secure & standards compliant web I/O for the most demanding*<sup>[[1]](benchmarks)</sup> *of applications.*
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• [Read more](misc/READMORE.md)
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</div>
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### NPM install
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While not physically hosted by NPM, it's still possible to install using NPM tools like so ([npm docs](https://docs.npmjs.com/cli/install)):
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```
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npm install uNetworking/uWebSockets.js#binaries
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```
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### Presenting; faster I/O for Node.js
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Every other week a new "web framework" pops up for Node.js. Fastify, Restana, Aero, Micro and so on. Most aim to improve I/O performance, but fall flat. You can't fix an inherent design flaw of an entire stack just by slapping a few lines of JavaScript on top.
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µWS.js is a 100% C/C++ web platform completely bypassing the entire Node.js I/O stack. JavaScript-exposed functions and objects are entirely backed by native code all the way down to the OS kernel. This makes it possible to reach unprecedented I/O performance from within Node.js (or any stand-alone V8 build). Scroll down for benchmarks.
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##### In a nutshell
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```javascript
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const uWS = require('uWebSockets.js');
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const port = 3000;
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uWS.SSLApp({
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/* cert, key and such specified here, or use uWS.App */
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}).get('/whatsmyuseragent', (res, req) => {
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res.writeHeader(
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'content-type', 'text/html; charset= utf-8'
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).end(
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'Your user agent is: ' + req.getHeader('user-agent')
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);
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}).get('/*', (res, req) => {
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res.end('Wildcard route');
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}).listen(port, (token) => {
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if (token) {
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console.log('Listening to port ' + port);
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} else {
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console.log('Failed to listen to port ' + port);
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}
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});
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```
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### Streams
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Proper streaming of huge data is supported over Http/Https and demonstrated with examples. Here's a shot of me watching real-time streamed HD video from Node.js while simultaneously scoring a 115k req/sec with wrk. For my computer, that's about 5x that of vanilla Node.js (without any HD video streaming/playing).
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### Benchmarks
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Performance retention is about 65% that of the native C++ [µWebSockets](https://github.com/uNetworking/uWebSockets) v0.15. That makes it some 20x as fast as Deno and even faster than most C++-only servers, all from within a JavaScript VM.
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Http | WebSockets
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--- | ---
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### Build from source
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Easiest is to compile yourself a Node.js native addon. The following works for Linux and macOS systems:
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```
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git clone --recursive https://github.com/uNetworking/uWebSockets.js.git
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cd uWebSockets.js
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make
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node examples/HelloWorld.js
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```
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