CodeSampleX

示例

babel-plugin-polyfill-corejs3 0.11.1: include

已验证示例 — npm babel-plugin-polyfill-corejs3 0.11.1: include. contract 在 node 22 · linux debian/x64 · docker 上运行并通过： Plugin accepts an array of polyfill string…

sha256:f7aff8a382116ff8ba1c13e938c227a6630a2ad7ffe1db849811b8e0d5ac7742

本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。 提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。 MIT-0

执行证据

声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。

证据依据
签名契约通过
验证回执
1
构建过它的签名密钥
1
声明的环境 linux 24 · ubuntu · glibc 2.39 x64 npm

验证运行环境

环境 契约 阶段 运行日期
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

案例

HOW
目标
verify include in pkg:npm/babel-plugin-polyfill-corejs3@0.11.1
包
符号
  • include
创建时间
2026-09-05T02:15:29Z

契约

  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

文件

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

下载源代码构件 (tar.gz)

源代码

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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  "name": "sample-babel-plugin-polyfill-corejs3",
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  "lockfileVersion": 3,
  "requires": true,
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      "name": "sample-babel-plugin-polyfill-corejs3",
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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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