CodeSampleX

Ejemplo

@babel/core 7.26.10: version

Muestra verificada para npm @babel/core 7.26.10: version. El contrato se ejecutó en node 22 · linux debian/x64 · docker y pasó.

sha256:204747ef71ce3c55b53351afc1d93bbcfb0c399875e0964d8ef9373b8dd53593

Esta red ofrece una sola cosa: una muestra que compila. La ejecutó en un sandbox y guardó el recibo firmado. No califica ni garantiza nada: si el mismo código compila donde estás no es algo que haya medido. Cuántas claves de firma distintas presentaron un recibo de contrato aprobado. Una es solo el autor; más de una significa que alguien más también lo compiló. Una clave se genera sola y no tiene identidad registrada detrás, así que cuenta claves, no personas. MIT-0

Evidencia de ejecución

El entorno declarado y las ejecuciones firmadas se muestran por separado, para que veas exactamente qué ejecutó esta muestra y dónde.

Base de evidencia
Contrato firmado aprobado
Recibos de verificación
1
Claves de firma que lo compilaron
1
Entorno declarado node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Entornos de las ejecuciones de verificación

Entorno Contrato Etapas Ejecución
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…		 2026-09-16

Caso

HOW
Objetivo
verify @babel/core.version in pkg:npm/%40babel/core@7.26.10
Paquetes
Símbolos
  • @babel/core.version
Entorno
node 22.23.2
Creado
2026-09-16T22:40:42Z

Contrato

  1. version is exposed as a string property on @babel/core
  2. version matches the exact installed package release 7.26.10
  3. version follows semver major.minor.patch numeric format
  4. version can be accessed via property lookup and destructuring import
  5. version property is non-empty and starts with 7.

Archivos

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

Descargar el artefacto de código fuente (tar.gz)

Código fuente

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/core.version in pkg:npm/%40babel/core@7.26.10
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/core@7.26.10
Demonstrate these symbols/APIs:
  - @babel/core.version

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:fd6a312729924f8b3bbf0c59642c3705ec9abd78a97045bcc7ccea370f8086f5","contract":["version is exposed as a string property on @babel/core","version matches the exact installed package release 7.26.10","version follows semver major.minor.patch numeric format","version can be accessed via property lookup and destructuring import","version property is non-empty and starts with 7."],"goal":"verify @babel/core.version in pkg:npm/%40babel/core@7.26.10","kind":"HOW","packages":["pkg:npm/%40babel/core@7.26.10"],"schemaVersion":1,"symbols":["@babel/core.version"]},"contractCommand":["node","test/contract.js"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40babel/core@7.26.10"],"schemaVersion":1,"subject":"pkg:npm/%40babel/core@7.26.10","symbols":["@babel/core.version"],"verifierAdapter":"node-typescript@1"}
package-lock.json
{
  "name": "sample-babel-version",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-babel-version",
      "version": "1.0.0",
      "license": "MIT-0",
      "dependencies": {
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      }
    },
    "node_modules/@ampproject/remapping": {
      "version": "2.3.0",
      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
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      "license": "Apache-2.0",
      "dependencies": {
        "@jridgewell/gen-mapping": "^0.3.5",
        "@jridgewell/trace-mapping": "^0.3.24"
      },
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    "node_modules/@babel/code-frame": {
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package.json
{
  "name": "sample-babel-version",
  "version": "1.0.0",
  "description": "verify @babel/core.version in pkg:npm/%40babel/core@7.26.10",
  "main": "src/index.js",
  "scripts": {
    "test": "node test/contract.js"
  },
  "dependencies": {
    "@babel/core": "7.26.10"
  },
  "license": "MIT-0"
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @babel/core.version in pkg:npm/%40babel/core@7.26.10",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/core@7.26.10"
  ],
  "symbols": [
    "@babel/core.version"
  ]
}
src/index.js
const babel = require('@babel/core');

/**
 * Returns the version of @babel/core.
 *
 * @returns {string} The version string.
 */
function getBabelVersion() {
  return babel.version;
}

/**
 * Validates whether the @babel/core version follows semver syntax.
 *
 * @returns {boolean} True if semver format matches.
 */
function isValidBabelSemver() {
  const semverPattern = /^\d+\.\d+\.\d+(?:-[\w.]+)?(?:\+[\w.]+)?$/;
  return semverPattern.test(babel.version);
}

module.exports = {
  getBabelVersion,
  isValidBabelSemver,
  version: babel.version
};
test/contract.js
const assert = require('assert');
const babel = require('@babel/core');
const { getBabelVersion, isValidBabelSemver } = require('../src/index');

async function main() {
  // 1. version is exposed as a string property on @babel/core
  {
    assert.strictEqual(typeof babel.version, 'string', 'babel.version must be a string');
    assert.strictEqual(typeof getBabelVersion(), 'string', 'getBabelVersion() must return a string');
  }

  // 2. version matches the exact installed package release 7.26.10
  {
    assert.strictEqual(babel.version, '7.26.10', 'babel.version must match 7.26.10');
    assert.strictEqual(getBabelVersion(), '7.26.10', 'helper function must return 7.26.10');
  }

  // 3. version follows semver major.minor.patch numeric format
  {
    const semverPattern = /^\d+\.\d+\.\d+(?:-[\w.]+)?(?:\+[\w.]+)?$/;
    assert(semverPattern.test(babel.version), 'babel.version must be valid semver');
    assert(isValidBabelSemver(), 'isValidBabelSemver() must return true');
    const parts = babel.version.split('.');
    assert.strictEqual(parts[0], '7', 'major version must be 7');
    assert.strictEqual(parts[1], '26', 'minor version must be 26');
    assert.strictEqual(parts[2], '10', 'patch version must be 10');
  }

  // 4. version can be accessed via property lookup and destructuring import
  {
    const { version } = require('@babel/core');
    assert.strictEqual(version, babel.version, 'destructured version must equal babel.version');
    assert.strictEqual(version, '7.26.10', 'destructured version must be 7.26.10');
  }

  // 5. version property is non-empty and starts with 7.
  {
    assert(babel.version.length > 0, 'babel.version must not be empty');
    assert(babel.version.startsWith('7.'), 'babel.version must start with 7.');
  }

  console.log('All contract assertions passed successfully.');
}

main().catch((err) => {
  console.error('Contract failed:', err);
  process.exit(1);
});

Seeder de origen

anónimo