CodeSampleX

Exemple

@babel/plugin-syntax-numeric-separator 7.10.4: default

Échantillon vérifié pour npm @babel/plugin-syntax-numeric-separator 7.10.4: default. Le contrat s'est exécuté sur node 22 · linux debian/x64 · docker et a…

sha256:061d61f4627e68ee28351a98366f62695f410bd292302882871556077f7c17f4

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 debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22@sha256:8a34c4ab3ea2…		 2026-09-05

Cas

HOW
Objectif
verify @babel/plugin-syntax-numeric-separator.default in pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4
Paquets
Symboles
  • @babel/plugin-syntax-numeric-separator.default
Créé
2026-09-05T22:11:02Z

Contrat

  1. Plugin default export is a function factory asserting Babel 7 compatibility
  2. Plugin factory returns a Babel plugin object named syntax-numeric-separator with a manipulateOptions hook
  3. manipulateOptions hook pushes numericSeparator into parser options plugins array
  4. manipulateOptions hook appends numericSeparator preserving existing parser plugins
  5. Module helper configureNumericSeparator returns updated parser options while preserving input immutability

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 @babel/plugin-syntax-numeric-separator.default in pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4
Demonstrate these symbols/APIs:
  - @babel/plugin-syntax-numeric-separator.default

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:sha256:778995648050b7d52d006cc4584d783bd88b74034ec69faef22d574ece759a92","contract":["Plugin default export is a function factory asserting Babel 7 compatibility","Plugin factory returns a Babel plugin object named syntax-numeric-separator with a manipulateOptions hook","manipulateOptions hook pushes numericSeparator into parser options plugins array","manipulateOptions hook appends numericSeparator preserving existing parser plugins","Module helper configureNumericSeparator returns updated parser options while preserving input immutability"],"goal":"verify @babel/plugin-syntax-numeric-separator.default in pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4","kind":"HOW","packages":["pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4"],"schemaVersion":1,"symbols":["@babel/plugin-syntax-numeric-separator.default"]},"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-numeric-separator@7.10.4"],"schemaVersion":1,"subject":"pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4","symbols":["@babel/plugin-syntax-numeric-separator.default"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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package.json
{
  "name": "sample-babel-plugin-syntax-numeric-separator",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "@babel/plugin-syntax-numeric-separator": "7.10.4"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @babel/plugin-syntax-numeric-separator.default in pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/plugin-syntax-numeric-separator@7.10.4"
  ],
  "symbols": [
    "@babel/plugin-syntax-numeric-separator.default"
  ]
}
src/index.mjs
import numericSeparatorPluginModule from "@babel/plugin-syntax-numeric-separator";

export const numericSeparatorPlugin =
  typeof numericSeparatorPluginModule === "function"
    ? numericSeparatorPluginModule
    : numericSeparatorPluginModule.default || numericSeparatorPluginModule;

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

export function configureNumericSeparator(parserOpts = {}) {
  const plugins = parserOpts.plugins ? [...parserOpts.plugins] : [];
  const normalizedParserOpts = { ...parserOpts, plugins };
  const pluginInstance = instantiatePlugin();
  if (typeof pluginInstance.manipulateOptions === "function") {
    pluginInstance.manipulateOptions({}, normalizedParserOpts);
  }
  return normalizedParserOpts;
}
test/contract.mjs
import assert from "node:assert/strict";
import numericSeparatorPluginModule from "@babel/plugin-syntax-numeric-separator";
import {
  numericSeparatorPlugin,
  instantiatePlugin,
  configureNumericSeparator
} from "../src/index.mjs";

const rawPlugin =
  typeof numericSeparatorPluginModule === "function"
    ? numericSeparatorPluginModule
    : numericSeparatorPluginModule.default || numericSeparatorPluginModule;

// Contract 1: Plugin default export is a function factory asserting Babel 7 compatibility
{
  assert.equal(typeof numericSeparatorPlugin, "function");
  assert.equal(typeof rawPlugin, "function");

  let assertedVersion = null;
  const api = {
    assertVersion: (v) => {
      assertedVersion = v;
    }
  };
  const pluginInstance = rawPlugin(api, {});
  assert.equal(assertedVersion, 7);
  assert.ok(pluginInstance);

  assert.throws(
    () => {
      rawPlugin({
        assertVersion: (v) => {
          throw new Error(`Requires Babel ${v}`);
        }
      });
    },
    { message: "Requires Babel 7" }
  );
}

// Contract 2: Plugin factory returns a Babel plugin object named syntax-numeric-separator with a manipulateOptions hook
{
  const api = {
    assertVersion: () => {}
  };
  const pluginInstance = instantiatePlugin(api, {});
  assert.equal(pluginInstance.name, "syntax-numeric-separator");
  assert.equal(typeof pluginInstance.manipulateOptions, "function");
}

// Contract 3: manipulateOptions hook pushes numericSeparator into parser options plugins array
{
  const api = {
    assertVersion: () => {}
  };
  const pluginInstance = instantiatePlugin(api, {});
  const parserOpts = { plugins: [] };
  pluginInstance.manipulateOptions({}, parserOpts);
  assert.deepEqual(parserOpts.plugins, ["numericSeparator"]);
}

// Contract 4: manipulateOptions hook appends numericSeparator preserving existing parser plugins
{
  const api = {
    assertVersion: () => {}
  };
  const pluginInstance = instantiatePlugin(api, {});
  const parserOpts = { plugins: ["jsx", "typescript"] };
  pluginInstance.manipulateOptions({}, parserOpts);
  assert.deepEqual(parserOpts.plugins, ["jsx", "typescript", "numericSeparator"]);
}

// Contract 5: Module helper configureNumericSeparator returns updated parser options while preserving input immutability
{
  const initialOpts = { plugins: ["asyncGenerators"] };
  const updatedOpts = configureNumericSeparator(initialOpts);
  assert.deepEqual(updatedOpts.plugins, ["asyncGenerators", "numericSeparator"]);
  assert.deepEqual(initialOpts.plugins, ["asyncGenerators"]);

  const emptyOptsResult = configureNumericSeparator();
  assert.deepEqual(emptyOptsResult.plugins, ["numericSeparator"]);
}

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

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