CodeSampleX

Exemple

@babel/plugin-syntax-typescript 7.29.7: plugin-syntax-typescript

Échantillon vérifié pour npm @babel/plugin-syntax-typescript 7.29.7: plugin-syntax-typescript. Le contrat s'est exécuté sur node 22 · linux alpine/x64 …

sha256:2ffa89d2c7bbc174179a7bc16d6b382932b47b875c56c43d6529550118a03be5

Ce réseau offre une seule chose : un échantillon qui compile. Il l'a exécuté dans un bac à sable et conservé le reçu signé. Il ne note rien et ne garantit rien : si le même code compile chez vous, il ne l'a pas mesuré. Combien de clés de signature distinctes ont déposé un reçu de contrat réussi. Une seule, c'est l'auteur ; plus d'une signifie que quelqu'un d'autre l'a compilé aussi. Une clé est auto-générée sans identité enregistrée derrière, donc on compte des clés, pas des personnes. MIT-0

Preuves d'exécution

L'environnement déclaré et les exécutions signées sont séparés, pour que vous voyiez exactement ce que cet échantillon a exécuté et où.

Base de preuve
Contrat signé réussi
Reçus de vérification
1
Clés de signature qui l’ont compilé
1
Environnement déclaré linux 24 · ubuntu · glibc 2.39 x64 npm

Environnements des exécutions de vérification

Environnement Contrat Étapes Exécution
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-27

Cas

HOW
Objectif
verify pkg:npm/%40babel/plugin-syntax-typescript@7.29.7
Paquets
Symboles
  • @babel/plugin-syntax-typescript
Créé
2026-08-27T21:25:23Z

Contrat

  1. plugin exports a default plugin factory asserting Babel 7 or 8 compatibility
  2. plugin factory returns plugin descriptor named syntax-typescript with manipulateOptions method
  3. manipulateOptions removes flow and jsx plugins and adds objectRestSpread and classProperties
  4. manipulateOptions enables typescript parser plugin with disallowAmbiguousJSXLike and dts options
  5. manipulateOptions re-enables jsx parser plugin when isTSX option is true
  6. configureParserOptions helper initializes plugin and configures parser options in single step
  7. getTypeScriptPluginConfig helper extracts typescript options from configured parser plugins

Fichiers

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • test/contract.mjs

Télécharger l’artefact source (tar.gz)

Code source

PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify pkg:npm/%40babel/plugin-syntax-typescript@7.29.7
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/plugin-syntax-typescript@7.29.7
Demonstrate these symbols/APIs:
  - @babel/plugin-syntax-typescript

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:7fec4df0e6105d12b0820d42f20fb772eea7e0f8b0d4adeaa84d04687a23a0be","contract":["plugin exports a default plugin factory asserting Babel 7 or 8 compatibility","plugin factory returns plugin descriptor named syntax-typescript with manipulateOptions method","manipulateOptions removes flow and jsx plugins and adds objectRestSpread and classProperties","manipulateOptions enables typescript parser plugin with disallowAmbiguousJSXLike and dts options","manipulateOptions re-enables jsx parser plugin when isTSX option is true","configureParserOptions helper initializes plugin and configures parser options in single step","getTypeScriptPluginConfig helper extracts typescript options from configured parser plugins"],"goal":"verify pkg:npm/%40babel/plugin-syntax-typescript@7.29.7","kind":"HOW","packages":["pkg:npm/%40babel/plugin-syntax-typescript@7.29.7"],"schemaVersion":1,"symbols":["@babel/plugin-syntax-typescript"]},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40babel/plugin-syntax-typescript@7.29.7"],"schemaVersion":1,"subject":"pkg:npm/%40babel/plugin-syntax-typescript@7.29.7","symbols":["@babel/plugin-syntax-typescript"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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package.json
{
  "name": "sample-babel-plugin-syntax-typescript",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "@babel/plugin-syntax-typescript": "7.29.7"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40babel/plugin-syntax-typescript@7.29.7",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/plugin-syntax-typescript@7.29.7"
  ],
  "symbols": [
    "@babel/plugin-syntax-typescript"
  ]
}
src/index.mjs
import rawPluginModule from "@babel/plugin-syntax-typescript";

export const pluginSyntaxTypeScript =
  typeof rawPluginModule === "function"
    ? rawPluginModule
    : rawPluginModule.default?.default || rawPluginModule.default || rawPluginModule;

export function createPluginInstance(api = {}, options = {}) {
  const normalizedApi = {
    assertVersion: (range) => {
      if (typeof api.assertVersion === "function") {
        api.assertVersion(range);
      }
    },
    ...api
  };
  return pluginSyntaxTypeScript(normalizedApi, options);
}

export function applySyntaxPlugin(pluginInstance, parserOpts = {}) {
  if (!pluginInstance || typeof pluginInstance.manipulateOptions !== "function") {
    throw new Error("Invalid plugin instance: missing manipulateOptions");
  }
  if (!parserOpts.plugins) {
    parserOpts.plugins = [];
  }
  pluginInstance.manipulateOptions({}, parserOpts);
  return parserOpts;
}

export function configureParserOptions(parserOpts = {}, options = {}, api = {}) {
  const instance = createPluginInstance(api, options);
  return applySyntaxPlugin(instance, parserOpts);
}

export function getTypeScriptPluginConfig(parserOpts = {}) {
  if (!Array.isArray(parserOpts.plugins)) return null;
  const match = parserOpts.plugins.find(
    (p) => p === "typescript" || (Array.isArray(p) && p[0] === "typescript")
  );
  if (!match) return null;
  return Array.isArray(match) ? match[1] || {} : {};
}
test/contract.mjs
import assert from "node:assert/strict";
import rawPluginModule from "@babel/plugin-syntax-typescript";
import {
  pluginSyntaxTypeScript,
  createPluginInstance,
  applySyntaxPlugin,
  configureParserOptions,
  getTypeScriptPluginConfig
} from "../src/index.mjs";

// Contract 1: plugin exports a default plugin factory asserting Babel 7 or 8 compatibility
{
  assert.equal(typeof pluginSyntaxTypeScript, "function");
  assert.equal(typeof rawPluginModule, "object");

  let assertedVersion = null;
  const api = {
    assertVersion: (v) => {
      assertedVersion = v;
    }
  };
  const instance = pluginSyntaxTypeScript(api, {});
  assert.equal(assertedVersion, "^7.0.0-0 || ^8.0.0-0");
  assert.ok(instance);

  const failingApi = {
    assertVersion: (v) => {
      throw new Error(`Unsupported version range: ${v}`);
    }
  };
  assert.throws(() => pluginSyntaxTypeScript(failingApi, {}), /Unsupported version range/);
}

// Contract 2: plugin factory returns plugin descriptor named syntax-typescript with manipulateOptions method
{
  const api = {
    assertVersion: () => {}
  };
  const instance = createPluginInstance(api, {});
  assert.equal(typeof instance, "object");
  assert.equal(instance.name, "syntax-typescript");
  assert.equal(typeof instance.manipulateOptions, "function");
}

// Contract 3: manipulateOptions removes flow and jsx plugins and adds objectRestSpread and classProperties
{
  const instance = createPluginInstance({ assertVersion: () => {} }, {});
  const parserOpts = { plugins: ["flow", "jsx", "decorators", ["flow", {}]] };

  applySyntaxPlugin(instance, parserOpts);

  assert.ok(!parserOpts.plugins.includes("flow"));
  assert.ok(!parserOpts.plugins.includes("jsx"));
  assert.ok(parserOpts.plugins.includes("decorators"));
  assert.ok(parserOpts.plugins.includes("objectRestSpread"));
  assert.ok(parserOpts.plugins.includes("classProperties"));
}

// Contract 4: manipulateOptions enables typescript parser plugin with disallowAmbiguousJSXLike and dts options
{
  const instance = createPluginInstance(
    { assertVersion: () => {} },
    { disallowAmbiguousJSXLike: true, dts: true }
  );
  const parserOpts = { plugins: [] };

  applySyntaxPlugin(instance, parserOpts);

  const tsEntry = parserOpts.plugins.find(
    (p) => Array.isArray(p) && p[0] === "typescript"
  );
  assert.ok(tsEntry, "typescript plugin entry should be present");
  assert.deepEqual(tsEntry[1], {
    disallowAmbiguousJSXLike: true,
    dts: true
  });
}

// Contract 5: manipulateOptions re-enables jsx parser plugin when isTSX option is true
{
  const instanceWithoutTSX = createPluginInstance({ assertVersion: () => {} }, { isTSX: false });
  const parserOptsWithoutTSX = { plugins: ["jsx"] };
  applySyntaxPlugin(instanceWithoutTSX, parserOptsWithoutTSX);
  assert.ok(!parserOptsWithoutTSX.plugins.includes("jsx"));

  const instanceWithTSX = createPluginInstance({ assertVersion: () => {} }, { isTSX: true });
  const parserOptsWithTSX = { plugins: ["flow", "jsx"] };
  applySyntaxPlugin(instanceWithTSX, parserOptsWithTSX);
  assert.ok(parserOptsWithTSX.plugins.includes("jsx"));
  assert.ok(!parserOptsWithTSX.plugins.includes("flow"));
}

// Contract 6: configureParserOptions helper initializes plugin and configures parser options in single step
{
  const parserOpts = { plugins: ["asyncGenerators"] };
  const configured = configureParserOptions(
    parserOpts,
    { isTSX: true, dts: false },
    { assertVersion: () => {} }
  );

  assert.equal(configured, parserOpts);
  assert.ok(configured.plugins.includes("asyncGenerators"));
  assert.ok(configured.plugins.includes("jsx"));
  assert.ok(configured.plugins.includes("objectRestSpread"));
  assert.ok(configured.plugins.includes("classProperties"));
}

// Contract 7: getTypeScriptPluginConfig helper extracts typescript options from configured parser plugins
{
  assert.equal(getTypeScriptPluginConfig({}), null);
  assert.equal(getTypeScriptPluginConfig({ plugins: ["jsx"] }), null);

  const parserOpts1 = configureParserOptions(
    {},
    { disallowAmbiguousJSXLike: true, dts: false },
    { assertVersion: () => {} }
  );
  assert.deepEqual(getTypeScriptPluginConfig(parserOpts1), {
    disallowAmbiguousJSXLike: true,
    dts: false
  });

  const parserOpts2 = { plugins: ["typescript"] };
  assert.deepEqual(getTypeScriptPluginConfig(parserOpts2), {});
}

console.log("All @babel/plugin-syntax-typescript contract tests passed successfully.");

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