CodeSampleX

Beispiel

@babel/core 7.24.7

Verifiziertes Beispiel für npm @babel/core 7.24.7. Der Vertrag lief auf node 22 · linux debian/x64 · docker und bestand: parseSync is exported by @babel/core…

sha256:e6d87d2e3d6f438e5f8713d887f4d18143578082c072eb7914018fa70c5247b8

Dieses Netzwerk bietet eine Sache: ein Sample, das baut. Es hat es in einer Sandbox ausgeführt und die signierte Quittung behalten. Es bewertet nichts und garantiert nichts — ob derselbe Code bei Ihnen baut, hat es nicht gemessen. Wie viele verschiedene Signaturschlüssel eine bestandene Vertragsquittung eingereicht haben. Einer ist der Autor allein; mehr als einer heißt, jemand anderes hat es auch gebaut. Ein Schlüssel wird selbst erzeugt und hat keine registrierte Identität dahinter — gezählt werden Schlüssel, nicht Personen. MIT-0

Ausführungsbelege

Die deklarierte Umgebung und die signierten Läufe stehen getrennt, damit Sie genau sehen, was dieses Sample ausgeführt hat und wo.

Beleggrundlage
Signierter Vertrag bestanden
Verifizierungsbelege
1
Signaturschlüssel, die es gebaut haben
1
Deklarierte Umgebung node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Umgebungen der Verifizierungsläufe

Umgebung Contract Stufen Lauf
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

Fall

HOW
Ziel
verify pkg:npm/%40babel/core@7.24.7
Pakete
Umgebung
node 22.23.2
Erstellt
2026-09-05T07:37:10Z

Contract

  1. parseSync is exported by @babel/core as a function and parses JavaScript code synchronously into an AST File root node with Program body
  2. parseSync parses ES module import and export declarations when sourceType is module
  3. parseSync parses script statements and directive prologues when sourceType is script
  4. parseSync parses modern ECMAScript features including optional chaining, nullish coalescing, and numeric separators
  5. parseSync parses JSX syntax elements when jsx plugin is enabled in parserOpts
  6. parseSync returns null when filename matches configured ignore pattern
  7. parseSync throws SyntaxError with BABEL_PARSE_ERROR code when given invalid JavaScript syntax

Dateien

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

Quellartefakt herunterladen (tar.gz)

Quelltext

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/core@7.24.7
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/core@7.24.7
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - packageManager: npm@10.9.8
  - runtime: node@22.23.2

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:sha256:852cc1dc6e8b881c11a497bb0090e76a3cc3d50218f947bb11b807a9273cebd8","constraints":{"executionContext":"node"},"contract":["parseSync is exported by @babel/core as a function and parses JavaScript code synchronously into an AST File root node with Program body","parseSync parses ES module import and export declarations when sourceType is module","parseSync parses script statements and directive prologues when sourceType is script","parseSync parses modern ECMAScript features including optional chaining, nullish coalescing, and numeric separators","parseSync parses JSX syntax elements when jsx plugin is enabled in parserOpts","parseSync returns null when filename matches configured ignore pattern","parseSync throws SyntaxError with BABEL_PARSE_ERROR code when given invalid JavaScript syntax"],"goal":"verify pkg:npm/%40babel/core@7.24.7","kind":"HOW","packages":["pkg:npm/%40babel/core@7.24.7"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"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@7.24.7"],"schemaVersion":1,"subject":"pkg:npm/%40babel/core@7.24.7","verifierAdapter":"node-typescript@1"}
package-lock.json
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  "name": "sample-babel-core-parsesync",
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package.json
{
  "name": "sample-babel-core-parsesync",
  "version": "1.0.0",
  "description": "verify @babel/core.parseSync in pkg:npm/%40babel/core@7.24.7",
  "main": "src/index.js",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "@babel/core": "7.24.7"
  },
  "license": "MIT-0"
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40babel/core@7.24.7",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/core@7.24.7"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}
src/index.js
const babel = require('@babel/core');

/**
 * Synchronously parses code using @babel/core.parseSync.
 *
 * @param {string} code - Source code to parse.
 * @param {object} [options={}] - Options for babel.parseSync.
 * @returns {object|null} The parsed AST root node, or null if ignored.
 */
function parseCode(code, options = {}) {
  const defaultOptions = {
    configFile: false,
    babelrc: false,
    ...options
  };
  return babel.parseSync(code, defaultOptions);
}

/**
 * Synchronously parses an ES module.
 *
 * @param {string} code - Source code to parse.
 * @param {object} [options={}] - Additional options.
 * @returns {object|null} The parsed AST root node.
 */
function parseModule(code, options = {}) {
  return parseCode(code, {
    sourceType: 'module',
    ...options
  });
}

/**
 * Synchronously parses a script.
 *
 * @param {string} code - Source code to parse.
 * @param {object} [options={}] - Additional options.
 * @returns {object|null} The parsed AST root node.
 */
function parseScript(code, options = {}) {
  return parseCode(code, {
    sourceType: 'script',
    ...options
  });
}

/**
 * Synchronously parses code with custom parserOpts.
 *
 * @param {string} code - Source code to parse.
 * @param {object} parserOpts - Parser options passed to Babel.
 * @returns {object|null} The parsed AST root node.
 */
function parseWithParserOpts(code, parserOpts = {}) {
  return parseCode(code, {
    parserOpts
  });
}

/**
 * Parses code while testing ignore configuration.
 *
 * @param {string} code - Source code to parse.
 * @param {string} filename - Filename to check against ignore rules.
 * @param {Array<string>} ignorePatterns - Array of ignore patterns.
 * @returns {object|null} The parsed AST root node, or null if ignored.
 */
function parseWithIgnore(code, filename, ignorePatterns) {
  return parseCode(code, {
    filename,
    ignore: ignorePatterns
  });
}

module.exports = {
  parseCode,
  parseModule,
  parseScript,
  parseWithParserOpts,
  parseWithIgnore
};
test/contract.mjs
import assert from 'node:assert/strict';
import { createRequire } from 'node:module';
import * as babel from '@babel/core';

const require = createRequire(import.meta.url);
const {
  parseCode,
  parseModule,
  parseScript,
  parseWithParserOpts,
  parseWithIgnore
} = require('../src/index.js');

// 1. parseSync is exported by @babel/core as a function and parses JavaScript code synchronously into an AST File root node with Program body
{
  assert.equal(typeof babel.parseSync, 'function', 'babel.parseSync must be exported as a function');
  const ast = parseCode('const answer = 42;');
  assert.ok(ast !== null && typeof ast === 'object', 'parseSync should return a non-null AST object');
  assert.equal(ast.type, 'File', 'Root AST node type must be File');
  assert.ok(ast.program && typeof ast.program === 'object', 'AST must have a program object');
  assert.equal(ast.program.type, 'Program', 'Program node type must be Program');
  assert.ok(Array.isArray(ast.program.body), 'Program body must be an array');
  assert.equal(ast.program.body.length, 1, 'Program body should have 1 statement');
  assert.equal(ast.program.body[0].type, 'VariableDeclaration', 'First statement must be VariableDeclaration');
}

// 2. parseSync parses ES module import and export declarations when sourceType is module
{
  const code = 'import { util } from "helper"; export const result = util();';
  const ast = parseModule(code);
  assert.ok(ast !== null, 'AST should not be null');
  assert.equal(ast.program.sourceType, 'module', 'sourceType should be module');
  assert.equal(ast.program.body.length, 2, 'Should contain two top-level statements');
  assert.equal(ast.program.body[0].type, 'ImportDeclaration', 'First statement must be ImportDeclaration');
  assert.equal(ast.program.body[0].source.value, 'helper', 'Import source value must match');
  assert.equal(ast.program.body[1].type, 'ExportNamedDeclaration', 'Second statement must be ExportNamedDeclaration');
}

// 3. parseSync parses script statements and directive prologues when sourceType is script
{
  const code = '"use strict"; var counter = 0;';
  const ast = parseScript(code);
  assert.ok(ast !== null, 'AST should not be null');
  assert.equal(ast.program.sourceType, 'script', 'sourceType should be script');
  assert.ok(Array.isArray(ast.program.directives), 'Directives must be an array');
  assert.equal(ast.program.directives.length, 1, 'Should contain 1 directive');
  assert.equal(ast.program.directives[0].value.value, 'use strict', 'Directive must be use strict');
  assert.equal(ast.program.body[0].type, 'VariableDeclaration', 'First statement must be VariableDeclaration');
}

// 4. parseSync parses modern ECMAScript features including optional chaining, nullish coalescing, and numeric separators
{
  const code = 'const value = target?.nested?.prop ?? 1_000_000;';
  const ast = parseCode(code);
  assert.ok(ast !== null, 'AST should not be null');
  const declaration = ast.program.body[0].declarations[0];
  assert.equal(declaration.init.type, 'LogicalExpression', 'Top init must be LogicalExpression for nullish coalescing');
  assert.equal(declaration.init.operator, '??', 'Operator must be ??');
  assert.equal(declaration.init.left.type, 'OptionalMemberExpression', 'Left operand must be OptionalMemberExpression');
  assert.equal(declaration.init.right.type, 'NumericLiteral', 'Right operand must be NumericLiteral');
  assert.equal(declaration.init.right.value, 1000000, 'Numeric separator literal value must be 1000000');
}

// 5. parseSync parses JSX syntax elements when jsx plugin is enabled in parserOpts
{
  const jsxCode = '<Button disabled={false}>Click me</Button>;';
  const ast = parseWithParserOpts(jsxCode, { plugins: ['jsx'] });
  assert.ok(ast !== null, 'AST should not be null');
  assert.equal(ast.program.body[0].type, 'ExpressionStatement', 'Statement must be ExpressionStatement');
  assert.equal(ast.program.body[0].expression.type, 'JSXElement', 'Expression must be JSXElement');
  assert.equal(ast.program.body[0].expression.openingElement.name.name, 'Button', 'JSX tag name must be Button');
}

// 6. parseSync returns null when filename matches configured ignore pattern
{
  const code = 'const ignoredConst = true;';
  const ignoredAst = parseWithIgnore(code, 'ignored-file.js', ['ignored-file.js']);
  assert.strictEqual(ignoredAst, null, 'parseSync must return null when filename matches ignore pattern');
  const normalAst = parseWithIgnore(code, 'allowed-file.js', ['ignored-file.js']);
  assert.ok(normalAst !== null, 'parseSync must return AST when filename does not match ignore pattern');
}

// 7. parseSync throws SyntaxError with BABEL_PARSE_ERROR code when given invalid JavaScript syntax
{
  assert.throws(
    () => {
      parseCode('const invalid = ;');
    },
    (err) => {
      return err instanceof SyntaxError && err.code === 'BABEL_PARSE_ERROR';
    },
    'Invalid syntax must throw SyntaxError with BABEL_PARSE_ERROR code'
  );
}

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

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