CodeSampleX

Ejemplo

@rollup/plugin-commonjs 28.0.2: ignoreGlobal

Muestra verificada para npm @rollup/plugin-commonjs 28.0.2: ignoreGlobal. El contrato se ejecutó en node 22 · linux debian/x64 · docker y pasó.

sha256:d279e8c841bb7385d5dfa68a4578005b76ac981946d1ce16a4f54471ba92ab3c

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

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…		 2026-09-03

Caso

HOW
Objetivo
verify ignoreGlobal in pkg:npm/%40rollup/plugin-commonjs@28.0.2
Paquetes
Símbolos
  • ignoreGlobal
Entorno
node 22.23.2
Creado
2026-09-03T14:49:49Z

Contrato

  1. By default (ignoreGlobal: false), references to the global identifier in CommonJS modules are rewritten to the commonjsGlobal helper variable.
  2. Setting ignoreGlobal: true preserves references to the global identifier without rewriting them to commonjsGlobal.
  3. When ignoreGlobal: true, the commonjsGlobal helper definition is omitted from the bundled output if no other features require it.
  4. A module containing only the global identifier without module, exports, or require is recognized and transformed as CommonJS by default, but is treated as a standard non-CommonJS module when ignoreGlobal: true.
  5. Setting ignoreGlobal: true preserves top-level this references without rewriting them to commonjsGlobal or module exports.

Archivos

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

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 ignoreGlobal in pkg:npm/%40rollup/plugin-commonjs@28.0.2
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40rollup/plugin-commonjs@28.0.2
Demonstrate these symbols/APIs:
  - ignoreGlobal
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - 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:sha256:159abd86d34b38766c5c6be648427fc1fcde17a17a65185237198060076e5a3b","constraints":{"executionContext":"node"},"contract":["By default (ignoreGlobal: false), references to the global identifier in CommonJS modules are rewritten to the commonjsGlobal helper variable.","Setting ignoreGlobal: true preserves references to the global identifier without rewriting them to commonjsGlobal.","When ignoreGlobal: true, the commonjsGlobal helper definition is omitted from the bundled output if no other features require it.","A module containing only the global identifier without module, exports, or require is recognized and transformed as CommonJS by default, but is treated as a standard non-CommonJS module when ignoreGlobal: true.","Setting ignoreGlobal: true preserves top-level this references without rewriting them to commonjsGlobal or module exports."],"goal":"verify ignoreGlobal in pkg:npm/%40rollup/plugin-commonjs@28.0.2","kind":"HOW","packages":["pkg:npm/%40rollup/plugin-commonjs@28.0.2"],"schemaVersion":1,"symbols":["ignoreGlobal"]},"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","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40rollup/plugin-commonjs@28.0.2"],"schemaVersion":1,"subject":"pkg:npm/%40rollup/plugin-commonjs@28.0.2","symbols":["ignoreGlobal"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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}
package.json
{
  "name": "sample-rollup-plugin-commonjs-ignoreglobal",
  "version": "1.0.0",
  "dependencies": {
    "@rollup/plugin-commonjs": "28.0.2",
    "rollup": "4.62.4"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify ignoreGlobal in pkg:npm/%40rollup/plugin-commonjs@28.0.2",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40rollup/plugin-commonjs@28.0.2"
  ],
  "symbols": [
    "ignoreGlobal"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "runtime": "node@22.23.2"
  }
}
test/contract.mjs
import assert from 'node:assert/strict';
import { rollup } from 'rollup';
import commonjs from '@rollup/plugin-commonjs';

async function bundleEntry(sourceCode, pluginOptions = {}, format = 'es') {
  const entryId = 'virtual-entry.js';
  const bundle = await rollup({
    input: entryId,
    plugins: [
      {
        name: 'virtual-loader',
        resolveId(id) {
          if (id === entryId) return id;
          return null;
        },
        load(id) {
          if (id === entryId) return sourceCode;
          return null;
        }
      },
      commonjs(pluginOptions)
    ]
  });
  const { output } = await bundle.generate({ format });
  return output[0].code;
}

async function runContracts() {
  // Contract 1: By default (ignoreGlobal: false), references to the global identifier in CommonJS modules are rewritten to the commonjsGlobal helper variable.
  {
    const code = `
      global.__csx_sample_val = 'hello';
      module.exports = global.__csx_sample_val;
    `;
    const bundled = await bundleEntry(code, {}, 'es');
    assert.match(
      bundled,
      /commonjsGlobal\.__csx_sample_val = 'hello'/,
      'Default transform rewrites global reference to commonjsGlobal'
    );
    assert.doesNotMatch(
      bundled,
      /global\.__csx_sample_val = 'hello'/,
      'Default transform does not leave raw global reference untouched'
    );
  }

  // Contract 2: Setting ignoreGlobal: true preserves references to the global identifier without rewriting them to commonjsGlobal.
  {
    const code = `
      global.__csx_sample_val = 'hello';
      module.exports = global.__csx_sample_val;
    `;
    const bundled = await bundleEntry(code, { ignoreGlobal: true }, 'es');
    assert.match(
      bundled,
      /global\.__csx_sample_val = 'hello'/,
      'ignoreGlobal: true preserves raw global reference'
    );
    assert.doesNotMatch(
      bundled,
      /commonjsGlobal/,
      'ignoreGlobal: true does not rewrite global to commonjsGlobal'
    );
  }

  // Contract 3: When ignoreGlobal: true, the commonjsGlobal helper definition is omitted from the bundled output if no other features require it.
  {
    const code = `
      global.__csx_helper_test = 42;
      module.exports = global.__csx_helper_test;
    `;
    const bundledDefault = await bundleEntry(code, {}, 'es');
    assert.match(
      bundledDefault,
      /var commonjsGlobal = typeof globalThis !== 'undefined'/,
      'Default bundles include commonjsGlobal helper definition'
    );

    const bundledIgnored = await bundleEntry(code, { ignoreGlobal: true }, 'es');
    assert.doesNotMatch(
      bundledIgnored,
      /commonjsGlobal/,
      'Bundle with ignoreGlobal: true omits commonjsGlobal helper'
    );
  }

  // Contract 4: A module containing only the global identifier without module, exports, or require is recognized and transformed as CommonJS by default, but is treated as a standard non-CommonJS module when ignoreGlobal: true.
  {
    const standaloneCode = `global.__csx_standalone_flag = true;`;
    const bundledDefault = await bundleEntry(standaloneCode, {}, 'es');
    assert.match(
      bundledDefault,
      /commonjsGlobal\.__csx_standalone_flag = true/,
      'File with only global is recognized and transformed as CJS under default settings'
    );
    assert.match(
      bundledDefault,
      /getDefaultExportFromCjs/,
      'File with only global gets CJS export wrapper by default'
    );

    const bundledIgnored = await bundleEntry(standaloneCode, { ignoreGlobal: true }, 'es');
    assert.equal(
      bundledIgnored.trim(),
      'global.__csx_standalone_flag = true;',
      'File with only global is not treated as CJS when ignoreGlobal: true'
    );
    assert.doesNotMatch(
      bundledIgnored,
      /getDefaultExportFromCjs/,
      'Non-CJS module is not wrapped with CJS export helpers'
    );
  }

  // Contract 5: Setting ignoreGlobal: true preserves top-level this references without rewriting them to commonjsGlobal or module exports.
  {
    const codeWithThis = `
      this.__csx_prop = 'value';
      module.exports = 1;
    `;
    const bundledDefault = await bundleEntry(codeWithThis, {}, 'es');
    assert.doesNotMatch(
      bundledDefault,
      /this\.__csx_prop = 'value'/,
      'Top-level this is rewritten under default ignoreGlobal: false'
    );

    const bundledIgnored = await bundleEntry(codeWithThis, { ignoreGlobal: true }, 'es');
    assert.match(
      bundledIgnored,
      /this\.__csx_prop = 'value'/,
      'Top-level this remains untouched when ignoreGlobal: true'
    );
  }

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

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

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