サンプル

express 5.2.1: Handle Express 5 silent behavior changes in default query parsing, numeric res.send/res.json status handling, and res.redirect('back')

検証済みサンプル — npm express 5.2.1: Handle Express 5 silent behavior changes in default query parsing, numeric res.send/res.json status handling, and…

sha256:9ea5467ed4af202f10dc8512480582653e609d8f25f6ab7051747d6a4be46c37

MIT-0

実行証拠

宣言された環境と署名済みの実行を分けてあります。このサンプルが何をどこで実行したかをそのまま確認できます。

宣言された環境 node linux x64 node node npm

環境	コントラクト	ステージ	実行日
node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9	PASS	compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1	2026-08-16
node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1	PASS	compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1	2026-08-18

HOW

ゴール: Handle Express 5 silent behavior changes in default query parsing, numeric res.send/res.json status handling, and res.redirect('back')
パッケージ: express 5.2.1
シンボル: express
req.query
res.send
res.json
res.redirect
res.sendStatus
環境: node
作成日: 2026-08-16T06:30:15Z

assert express 5 default query parser does not parse nested bracket keys into objects and leaves req.query.filter undefined
assert app.set('query parser', 'extended') restores nested query object parsing
assert res.send(204) in express 5 responds with HTTP status 200 and body '204' instead of HTTP 204 No Content
assert res.sendStatus(204) in express 5 correctly responds with HTTP 204 No Content
assert res.json(404, obj) in express 5 ignores the second argument and responds with HTTP status 200 and body '404'
assert res.status(404).json(obj) in express 5 correctly responds with HTTP 404 and the JSON payload
assert res.redirect('back') in express 5 sets Location: back literally without reading the Referer header
assert res.redirect(req.get('Referrer') || '/') redirects to the Referer header URL