CodeSampleX

Exemple

rollup 4.63.3: rollup

Échantillon vérifié pour npm rollup 4.63.3: rollup. Le contrat s'est exécuté sur node 22 · linux debian/x64 · docker et a réussi.

sha256:49184d38c5d7acd026e0a8de780ab8c2fd67546c8e03ae8ca0b81706bb39e32d

Ce réseau offre une seule chose : un échantillon qui compile. Il l'a exécuté dans un bac à sable et conservé le reçu signé. Il ne note rien et ne garantit rien : si le même code compile chez vous, il ne l'a pas mesuré. Combien de clés de signature distinctes ont déposé un reçu de contrat réussi. Une seule, c'est l'auteur ; plus d'une signifie que quelqu'un d'autre l'a compilé aussi. Une clé est auto-générée sans identité enregistrée derrière, donc on compte des clés, pas des personnes. MIT-0

Preuves d'exécution

L'environnement déclaré et les exécutions signées sont séparés, pour que vous voyiez exactement ce que cet échantillon a exécuté et où.

Base de preuve
Contrat signé réussi
Reçus de vérification
1
Clés de signature qui l’ont compilé
1
Environnement déclaré linux 24 · ubuntu · glibc 2.39 x64 npm

Environnements des exécutions de vérification

Environnement Contrat Étapes Exécution
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

Cas

HOW
Objectif
verify pkg:npm/rollup@4.63.3
Paquets
Symboles
  • rollup
Créé
2026-09-16T21:26:17Z

Contrat

  1. rollup bundles multiple ESM modules into a single chunk
  2. rollup tree-shakes unused exported functions from the bundle
  3. rollup generates CommonJS bundle output when format is cjs
  4. rollup supports in-memory custom plugin hooks for module resolution and loading

Fichiers

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

Télécharger l’artefact source (tar.gz)

Code source

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/rollup@4.63.3
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/rollup@4.63.3
Demonstrate these symbols/APIs:
  - rollup

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:sha256:7e991fc4317d8d265a93e08e893f7d4eca7c2767972b8b21e64c3b427b5c975e","contract":["rollup bundles multiple ESM modules into a single chunk","rollup tree-shakes unused exported functions from the bundle","rollup generates CommonJS bundle output when format is cjs","rollup supports in-memory custom plugin hooks for module resolution and loading"],"goal":"verify pkg:npm/rollup@4.63.3","kind":"HOW","packages":["pkg:npm/rollup@4.63.3"],"schemaVersion":1,"symbols":["rollup"]},"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/rollup@4.63.3"],"schemaVersion":1,"subject":"pkg:npm/rollup@4.63.3","symbols":["rollup"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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  "name": "rollup-sample",
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      "name": "rollup-sample",
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        "@rollup/rollup-linux-ppc64-gnu": "4.63.3",
        "@rollup/rollup-linux-ppc64-musl": "4.63.3",
        "@rollup/rollup-linux-riscv64-gnu": "4.63.3",
        "@rollup/rollup-linux-riscv64-musl": "4.63.3",
        "@rollup/rollup-linux-s390x-gnu": "4.63.3",
        "@rollup/rollup-linux-x64-gnu": "4.63.3",
        "@rollup/rollup-linux-x64-musl": "4.63.3",
        "@rollup/rollup-openbsd-x64": "4.63.3",
        "@rollup/rollup-openharmony-arm64": "4.63.3",
        "@rollup/rollup-win32-arm64-msvc": "4.63.3",
        "@rollup/rollup-win32-ia32-msvc": "4.63.3",
        "@rollup/rollup-win32-x64-gnu": "4.63.3",
        "@rollup/rollup-win32-x64-msvc": "4.63.3",
        "fsevents": "~2.3.2"
      }
    }
  }
}
package.json
{
  "name": "rollup-sample",
  "version": "1.0.0",
  "description": "Clean-room sample verifying pkg:npm/rollup@4.63.3",
  "private": true,
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "rollup": "4.63.3"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/rollup@4.63.3",
  "kind": "HOW",
  "packages": [
    "pkg:npm/rollup@4.63.3"
  ],
  "symbols": [
    "rollup"
  ]
}
src/helper.js
export function add(a, b) {
  return a + b;
}

export function unused() {
  return 'THIS_SHOULD_BE_TREE_SHAKEN';
}
src/index.js
import { add, unused } from './helper.js';

export const sum = add(10, 32);
test/contract.mjs
import { strict as assert } from 'node:assert';
import path from 'node:path';
import { rollup } from 'rollup';

const inputPath = path.resolve('src/index.js');

// 1. Rollup bundles multiple modules into a single ESM chunk
const esmBundle = await rollup({
  input: inputPath
});

const { output: esmOutput } = await esmBundle.generate({
  format: 'es'
});

assert.equal(esmOutput.length, 1, 'rollup must emit exactly one chunk');
const esmCode = esmOutput[0].code;
assert.ok(esmCode.includes('export { sum }'), 'ESM output must export sum');
assert.ok(esmCode.includes('42') || esmCode.includes('add(10, 32)'), 'ESM output must include evaluated or inlined addition');

// 2. Rollup performs tree-shaking on unused functions
assert.ok(
  !esmCode.includes('THIS_SHOULD_BE_TREE_SHAKEN'),
  'unused export must be tree-shaken and omitted from generated code'
);
await esmBundle.close();

// 3. Rollup generates CommonJS format bundles with expected export syntax
const cjsBundle = await rollup({
  input: inputPath
});

const { output: cjsOutput } = await cjsBundle.generate({
  format: 'cjs'
});

assert.equal(cjsOutput.length, 1, 'rollup must emit exactly one chunk for cjs');
const cjsCode = cjsOutput[0].code;
assert.ok(cjsCode.includes('exports.sum ='), 'CJS output must export sum on exports object');
await cjsBundle.close();

// 4. Rollup supports custom in-memory plugin hooks for module resolution and loading
const virtualBundle = await rollup({
  input: 'virtual-entry',
  plugins: [
    {
      name: 'virtual-module-plugin',
      resolveId(source) {
        if (source === 'virtual-entry') {
          return source;
        }
        return null;
      },
      load(id) {
        if (id === 'virtual-entry') {
          return 'export const greeting = "hello from virtual rollup";';
        }
        return null;
      }
    }
  ]
});

const { output: virtualOutput } = await virtualBundle.generate({
  format: 'es'
});

assert.equal(virtualOutput.length, 1, 'virtual bundle must emit one chunk');
assert.ok(
  virtualOutput[0].code.includes('hello from virtual rollup'),
  'virtual bundle output must contain virtual module code'
);
await virtualBundle.close();

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

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