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Since v5 relies on node >= 18, this is now possible (since v16, v14.18.0 [^1][^2]). It's functionally irrelevant: 1. It's not required for CJS nor ESM (with a few exceptions [^3]) 2. It has no performance promises However, there are upsides to this approach: 1. It brings clear boundaries to what's a built-in and what's an external dependency 2. It reduces the risk of importing unwanted deps where a built-in is expected 3. It's slightly more interoperable with other JS runtimes that provide node compatibility[^4], albeit only during development. Once imported from npm, built-ins are assumed. [^1]:https://nodejs.org/docs/latest-v22.x/api/modules.html#built-in-modules [^2]:https://github.com/nodejs/node/pull/37246 [^3]:https://nodejs.org/api/modules.html#built-in-modules-with-mandatory-node-prefix [^4]:https://docs.deno.com/runtime/fundamentals/node/#using-node's-built-in-modules
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
'use strict'
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/**
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* Module dependencies.
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*/
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var express = require('../..');
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var logger = require('morgan');
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var path = require('node:path');
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var app = express();
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// log requests
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app.use(logger('dev'));
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// express on its own has no notion
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// of a "file". The express.static()
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// middleware checks for a file matching
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// the `req.path` within the directory
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// that you pass it. In this case "GET /js/app.js"
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// will look for "./public/js/app.js".
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app.use(express.static(path.join(__dirname, 'public')));
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// if you wanted to "prefix" you may use
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// the mounting feature of Connect, for example
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// "GET /static/js/app.js" instead of "GET /js/app.js".
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// The mount-path "/static" is simply removed before
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// passing control to the express.static() middleware,
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// thus it serves the file correctly by ignoring "/static"
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app.use('/static', express.static(path.join(__dirname, 'public')));
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// if for some reason you want to serve files from
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// several directories, you can use express.static()
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// multiple times! Here we're passing "./public/css",
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// this will allow "GET /style.css" instead of "GET /css/style.css":
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app.use(express.static(path.join(__dirname, 'public', 'css')));
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app.listen(3000);
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console.log('listening on port 3000');
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console.log('try:');
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console.log(' GET /hello.txt');
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console.log(' GET /js/app.js');
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console.log(' GET /css/style.css');
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