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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
61 lines
1.4 KiB
JavaScript
61 lines
1.4 KiB
JavaScript
'use strict'
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var express = require('../')
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, request = require('supertest')
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, assert = require('node:assert');
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describe('req', function(){
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describe('.get(field)', function(){
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it('should return the header field value', function(done){
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var app = express();
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app.use(function(req, res){
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assert(req.get('Something-Else') === undefined);
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res.end(req.get('Content-Type'));
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});
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request(app)
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.post('/')
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.set('Content-Type', 'application/json')
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.expect('application/json', done);
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})
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it('should special-case Referer', function(done){
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var app = express();
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app.use(function(req, res){
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res.end(req.get('Referer'));
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});
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request(app)
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.post('/')
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.set('Referrer', 'http://foobar.com')
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.expect('http://foobar.com', done);
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})
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it('should throw missing header name', function (done) {
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var app = express()
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app.use(function (req, res) {
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res.end(req.get())
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})
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request(app)
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.get('/')
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.expect(500, /TypeError: name argument is required to req.get/, done)
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})
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it('should throw for non-string header name', function (done) {
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var app = express()
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app.use(function (req, res) {
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res.end(req.get(42))
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})
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request(app)
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.get('/')
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.expect(500, /TypeError: name must be a string to req.get/, done)
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})
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})
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})
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