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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
144 lines
2.9 KiB
JavaScript
144 lines
2.9 KiB
JavaScript
'use strict'
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var after = require('after')
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var express = require('../')
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, request = require('supertest');
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describe('app', function(){
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describe('.request', function(){
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it('should extend the request prototype', function(done){
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var app = express();
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app.request.querystring = function(){
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return require('node:url').parse(this.url).query;
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};
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app.use(function(req, res){
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res.end(req.querystring());
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});
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request(app)
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.get('/foo?name=tobi')
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.expect('name=tobi', done);
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})
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it('should only extend for the referenced app', function (done) {
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var app1 = express()
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var app2 = express()
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var cb = after(2, done)
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app1.request.foobar = function () {
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return 'tobi'
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}
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app1.get('/', function (req, res) {
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res.send(req.foobar())
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})
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app2.get('/', function (req, res) {
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res.send(req.foobar())
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})
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request(app1)
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.get('/')
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.expect(200, 'tobi', cb)
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request(app2)
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.get('/')
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.expect(500, /(?:not a function|has no method)/, cb)
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})
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it('should inherit to sub apps', function (done) {
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var app1 = express()
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var app2 = express()
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var cb = after(2, done)
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app1.request.foobar = function () {
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return 'tobi'
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}
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app1.use('/sub', app2)
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app1.get('/', function (req, res) {
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res.send(req.foobar())
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})
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app2.get('/', function (req, res) {
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res.send(req.foobar())
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})
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request(app1)
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.get('/')
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.expect(200, 'tobi', cb)
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request(app1)
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.get('/sub')
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.expect(200, 'tobi', cb)
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})
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it('should allow sub app to override', function (done) {
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var app1 = express()
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var app2 = express()
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var cb = after(2, done)
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app1.request.foobar = function () {
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return 'tobi'
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}
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app2.request.foobar = function () {
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return 'loki'
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}
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app1.use('/sub', app2)
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app1.get('/', function (req, res) {
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res.send(req.foobar())
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})
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app2.get('/', function (req, res) {
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res.send(req.foobar())
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})
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request(app1)
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.get('/')
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.expect(200, 'tobi', cb)
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request(app1)
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.get('/sub')
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.expect(200, 'loki', cb)
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})
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it('should not pollute parent app', function (done) {
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var app1 = express()
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var app2 = express()
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var cb = after(2, done)
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app1.request.foobar = function () {
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return 'tobi'
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}
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app2.request.foobar = function () {
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return 'loki'
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}
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app1.use('/sub', app2)
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app1.get('/sub/foo', function (req, res) {
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res.send(req.foobar())
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})
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app2.get('/', function (req, res) {
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res.send(req.foobar())
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})
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request(app1)
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.get('/sub')
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.expect(200, 'loki', cb)
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request(app1)
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.get('/sub/foo')
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.expect(200, 'tobi', cb)
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})
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})
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})
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