CodeSampleX

Beispiel

babel-plugin-polyfill-corejs3 0.11.1: include

Verifiziertes Beispiel für npm babel-plugin-polyfill-corejs3 0.11.1: include. Der Vertrag lief auf node 22 · linux debian/x64 · docker und bestand.

sha256:f7aff8a382116ff8ba1c13e938c227a6630a2ad7ffe1db849811b8e0d5ac7742

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 linux 24 · ubuntu · glibc 2.39 x64 npm

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 include in pkg:npm/babel-plugin-polyfill-corejs3@0.11.1
Pakete
Symbole
  • include
Erstellt
2026-09-05T02:15:29Z

Contract

  1. Plugin accepts an array of polyfill string names in include option
  2. Plugin accepts an array of regular expressions in include option
  3. Plugin accepts a Set of polyfill names in include option
  4. Plugin rejects include patterns that do not match any known polyfill
  5. Plugin rejects string passed directly to include because it iterates characters
  6. Plugin rejects polyfills matched by both include and exclude options
  7. Plugin rejects include option when shouldInjectPolyfill custom function is provided
  8. Include option forces polyfill injection in usage-global mode even when targets support the feature
  9. Include option forces polyfill injection in usage-pure mode for pure helper imports

Dateien

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • 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 include in pkg:npm/babel-plugin-polyfill-corejs3@0.11.1
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/babel-plugin-polyfill-corejs3@0.11.1
Demonstrate these symbols/APIs:
  - include

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:sha256:0fbf42240215b9f8df131822afc95660649264f706832981dd23ae61b5c1c27e","contract":["Plugin accepts an array of polyfill string names in include option","Plugin accepts an array of regular expressions in include option","Plugin accepts a Set of polyfill names in include option","Plugin rejects include patterns that do not match any known polyfill","Plugin rejects string passed directly to include because it iterates characters","Plugin rejects polyfills matched by both include and exclude options","Plugin rejects include option when shouldInjectPolyfill custom function is provided","Include option forces polyfill injection in usage-global mode even when targets support the feature","Include option forces polyfill injection in usage-pure mode for pure helper imports"],"goal":"verify include in pkg:npm/babel-plugin-polyfill-corejs3@0.11.1","kind":"HOW","packages":["pkg:npm/babel-plugin-polyfill-corejs3@0.11.1"],"schemaVersion":1,"symbols":["include"]},"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/babel-plugin-polyfill-corejs3@0.11.1"],"schemaVersion":1,"subject":"pkg:npm/babel-plugin-polyfill-corejs3@0.11.1","symbols":["include"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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package.json
{
  "name": "sample-babel-plugin-polyfill-corejs3",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "babel-plugin-polyfill-corejs3": "0.11.1"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify include in pkg:npm/babel-plugin-polyfill-corejs3@0.11.1",
  "kind": "HOW",
  "packages": [
    "pkg:npm/babel-plugin-polyfill-corejs3@0.11.1"
  ],
  "symbols": [
    "include"
  ]
}
src/index.mjs
import polyfillCorejs3Plugin from 'babel-plugin-polyfill-corejs3';

/**
 * Normalizes plugin function from default or namespace export.
 */
export const plugin = polyfillCorejs3Plugin.default || polyfillCorejs3Plugin;

/**
 * Creates a mock Babel API object compatible with Babel 7/8 plugin requirements.
 * @param {object} [overrides] - Custom overrides for Babel API methods.
 * @returns {object} Mock Babel API.
 */
export function createMockBabelApi(overrides = {}) {
  return {
    version: '7.26.0',
    assertVersion: () => true,
    targets: () => ({ chrome: '100' }),
    caller: (cb) => cb({ name: 'babel-sample-runner' }),
    traverse: {
      visitors: {
        merge: (visitors) => Object.assign({}, ...visitors)
      }
    },
    ...overrides
  };
}

/**
 * Instantiates babel-plugin-polyfill-corejs3 with custom include patterns and options.
 * @param {string[]|RegExp[]|Set<string|RegExp>} include - Polyfill patterns to force inject.
 * @param {object} [customOptions] - Additional plugin options.
 * @param {object} [api] - Babel API or mock.
 * @returns {object} Configured plugin instance.
 */
export function createPluginWithInclude(include, customOptions = {}, api = null) {
  const babelApi = api || createMockBabelApi();
  const options = {
    method: 'usage-global',
    include,
    ...customOptions
  };
  return plugin(babelApi, options);
}

/**
 * Safely tries instantiating the plugin with the provided options.
 * @param {object} options - Plugin options.
 * @param {object} [api] - Babel API or mock.
 * @returns {{ success: boolean, instance?: object, error?: Error }}
 */
export function tryCreatePlugin(options, api = null) {
  try {
    const babelApi = api || createMockBabelApi();
    const instance = plugin(babelApi, options);
    return { success: true, instance };
  } catch (err) {
    return { success: false, error: err };
  }
}
test/contract.mjs
import assert from 'node:assert/strict';
import { createRequire } from 'node:module';
import {
  plugin,
  createMockBabelApi,
  createPluginWithInclude,
  tryCreatePlugin
} from '../src/index.mjs';

const require = createRequire(import.meta.url);
const babel = require('@babel/core');

const mockApi = createMockBabelApi();

// 1. Plugin accepts an array of polyfill string names in include option
const instArray = createPluginWithInclude(['es.promise', 'es.array.iterator'], {}, mockApi);
assert.equal(typeof instArray, 'object', 'Plugin factory must return an object');
assert.equal(instArray.name, 'inject-polyfills', 'Plugin name must be "inject-polyfills"');
assert.equal(typeof instArray.visitor, 'object', 'Plugin must provide AST visitors');

// 2. Plugin accepts an array of regular expressions in include option
const instRegex = createPluginWithInclude([/^es\.promise/, /^es\.array\.to-/], {}, mockApi);
assert.equal(typeof instRegex, 'object', 'Regex include must return a plugin object');
assert.equal(instRegex.name, 'inject-polyfills', 'Regex include plugin name must be "inject-polyfills"');

// 3. Plugin accepts a Set of polyfill names in include option
const instSet = createPluginWithInclude(new Set(['es.promise', 'es.map']), {}, mockApi);
assert.equal(typeof instSet, 'object', 'Set include must return a plugin object');
assert.equal(instSet.name, 'inject-polyfills', 'Set include plugin name must be "inject-polyfills"');

// 4. Plugin rejects include patterns that do not match any known polyfill
const unknownResult = tryCreatePlugin({
  method: 'usage-global',
  include: ['non-existent-corejs3-polyfill-xyz']
}, mockApi);
assert.equal(unknownResult.success, false, 'Unknown polyfill must fail validation');
assert.match(
  unknownResult.error.message,
  /The following "include" patterns didn't match any polyfill/,
  'Error message must indicate unmatched include patterns'
);

// 5. Plugin rejects string passed directly to include because it iterates characters
const stringResult = tryCreatePlugin({
  method: 'usage-global',
  include: 'es.promise'
}, mockApi);
assert.equal(stringResult.success, false, 'String include must fail validation');
assert.match(
  stringResult.error.message,
  /The following "include" patterns didn't match any polyfill/,
  'String include must fail because character iteration produces unmatched tokens'
);

// 6. Plugin rejects polyfills matched by both include and exclude options
const conflictResult = tryCreatePlugin({
  method: 'usage-global',
  include: ['es.promise'],
  exclude: ['es.promise']
}, mockApi);
assert.equal(conflictResult.success, false, 'Conflicting include and exclude must fail validation');
assert.match(
  conflictResult.error.message,
  /The following polyfills were matched both by "include" and "exclude" patterns/,
  'Error message must indicate duplicate include and exclude conflict'
);

// 7. Plugin rejects include option when shouldInjectPolyfill custom function is provided
const hookConflictResult = tryCreatePlugin({
  method: 'usage-global',
  include: ['es.promise'],
  shouldInjectPolyfill: () => true
}, mockApi);
assert.equal(hookConflictResult.success, false, 'Include with shouldInjectPolyfill must fail');
assert.match(
  hookConflictResult.error.message,
  /\.include and \.exclude are not supported when using the \.shouldInjectPolyfill function/,
  'Error message must explain incompatibility with shouldInjectPolyfill'
);

// 8. Include option forces polyfill injection in usage-global mode even when targets support the feature
const testCode = 'const p = new Promise(resolve => resolve(42));';
const withoutInclude = babel.transformSync(testCode, {
  configFile: false,
  plugins: [[plugin, { method: 'usage-global', targets: { chrome: '100' } }]]
});
assert.equal(
  withoutInclude.code.includes('core-js/modules/es.promise'),
  false,
  'Without include, target chrome 100 should not inject Promise polyfill'
);

const withInclude = babel.transformSync(testCode, {
  configFile: false,
  plugins: [[plugin, { method: 'usage-global', targets: { chrome: '100' }, include: ['es.promise'] }]]
});
assert.equal(
  withInclude.code.includes('core-js/modules/es.promise'),
  true,
  'With include, Promise polyfill must be injected despite target chrome 100'
);

// 9. Include option forces polyfill injection in usage-pure mode for pure helper imports
const withPureInclude = babel.transformSync(testCode, {
  configFile: false,
  plugins: [[plugin, { method: 'usage-pure', targets: { chrome: '100' }, include: ['es.promise'] }]]
});
assert.equal(
  withPureInclude.code.includes('core-js-pure/stable/promise'),
  true,
  'In usage-pure mode with include, pure Promise helper import must be injected'
);

console.log('Contract assertions passed.');

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