Beispiel
Show that file extension alone does not switch Babel parser mode to TypeScript.
sha256:10746c63d5d434607e35f39efbd2b0a5abf2f3b3e870e61230e5d9e74ff3bc59
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Fall
- Ziel
- Show that file extension alone does not switch Babel parser mode to TypeScript. HOW
- Pakete
- @babel/core 7.29.7
- Umgebung
- node
- Erstellt
- 2026-08-17T03:14:45Z
Häufige Annahme
Providing a `.ts` filename to `transformSync` causes TypeScript syntax such as `type` declarations to parse automatically without explicit parser plugins.
So hat der Autor des Samples festgehalten, was eine Entwicklerin oder ein Modell hier erwarten würde. Der Vertrag darunter ist das, was tatsächlich lief.
Contract
- When `transformSync` is run on `type` declaration input with `filename: "sample.ts"`, it throws a `SyntaxError` because the file extension does not automatically enable TypeScript parser handling.
- assert.throws(() => transformSync("type A = string;", { filename: "sample.ts", configFile: false, babelrc: false }), SyntaxError)
- assert.ok(transformSync("type A = string;", { filename: "sample.ts", configFile: false, babelrc: false, parserOpts: { plugins: ["typescript"] } }).code.includes("type A = string;"))
Dateien
- NOTES.md
- csx.json
- package-lock.json
- package.json
- test/contract.mjs
Verifiziertes Artefakt herunterladen (tar.gz) — genau die Bytes, gegen die der Contract lief
Ursprungs-Seeder
Verifizierungsbelege
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-17 · ed25519:d91480838ac982c9