CodeSampleX

Exemplo

@electron/universal 2.0.1: makeUniversalApp

Amostra verificada para npm @electron/universal 2.0.1: makeUniversalApp. O contrato rodou em node 22 · linux alpine/x64 · docker e passou.

sha256:450fcc8627be52dd907e95ad42377e8a7947fa72f2ac7bd53f7b1d27db04aa54

Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu. Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas. MIT-0

Evidência de execução

O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.

Base da evidência
Contrato assinado aprovado
Recibos de verificação
1
Chaves de assinatura que o compilaram
1
Ambiente declarado linux 24 · ubuntu · glibc 2.39 x64 npm

Ambientes das execuções de verificação

Ambiente Contrato Etapas Execução
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-27

Caso

HOW
Objetivo
verify pkg:npm/%40electron/universal@2.0.1
Pacotes
Símbolos
  • makeUniversalApp
Criado
2026-08-27T17:22:01Z

Contrato

  1. makeUniversalApp rejects with an Error on non-darwin platforms indicating darwin support requirement
  2. makeUniversalApp validates that x64AppPath is an absolute path
  3. makeUniversalApp validates that arm64AppPath is an absolute path
  4. makeUniversalApp validates that outAppPath is an absolute path
  5. makeUniversalApp rejects when outAppPath already exists and force option is not true
  6. makeUniversalApp rejects when asar settings differ between x64 and arm64 applications

Arquivos

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

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

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/%40electron/universal@2.0.1
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40electron/universal@2.0.1
Demonstrate these symbols/APIs:
  - makeUniversalApp

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:sha256:0839b16561d496d423d2d09fb95c7421c0c8afdd7ac70d04aa3d25245261ad42","contract":["makeUniversalApp rejects with an Error on non-darwin platforms indicating darwin support requirement","makeUniversalApp validates that x64AppPath is an absolute path","makeUniversalApp validates that arm64AppPath is an absolute path","makeUniversalApp validates that outAppPath is an absolute path","makeUniversalApp rejects when outAppPath already exists and force option is not true","makeUniversalApp rejects when asar settings differ between x64 and arm64 applications"],"goal":"verify pkg:npm/%40electron/universal@2.0.1","kind":"HOW","packages":["pkg:npm/%40electron/universal@2.0.1"],"schemaVersion":1,"symbols":["makeUniversalApp"]},"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/%40electron/universal@2.0.1"],"schemaVersion":1,"subject":"pkg:npm/%40electron/universal@2.0.1","symbols":["makeUniversalApp"],"verifierAdapter":"node-typescript@1"}
index.js
import { makeUniversalApp } from '@electron/universal';

/**
 * Creates a universal macOS application binary from x64 and arm64 builds.
 * @param {import('@electron/universal').MakeUniversalOpts} options
 * @returns {Promise<void>}
 */
export async function createUniversalApp(options) {
  return await makeUniversalApp(options);
}

export { makeUniversalApp };
package-lock.json
{
  "name": "sample-electron-universal",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-electron-universal",
      "version": "1.0.0",
      "dependencies": {
        "@electron/universal": "2.0.1"
      }
    },
    "node_modules/@electron/asar": {
      "version": "3.4.1",
      "resolved": "https://registry.npmjs.org/@electron/asar/-/asar-3.4.1.tgz",
      "integrity": "sha512-i4/rNPRS84t0vSRa2HorerGRXWyF4vThfHesw0dmcWHp+cspK743UanA0suA5Q5y8kzY2y6YKrvbIUn69BCAiA==",
      "license": "MIT",
      "dependencies": {
        "commander": "^5.0.0",
        "glob": "^7.1.6",
        "minimatch": "^3.0.4"
      },
      "bin": {
        "asar": "bin/asar.js"
      },
      "engines": {
        "node": ">=10.12.0"
      }
    },
    "node_modules/@electron/asar/node_modules/brace-expansion": {
      "version": "1.1.18",
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        "balanced-match": "^1.0.0",
        "concat-map": "0.0.1"
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      "version": "3.1.5",
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      "dependencies": {
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        "xmlbuilder": "^15.1.1"
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        "url": "https://github.com/sponsors/sindresorhus"
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}
package.json
{
  "name": "sample-electron-universal",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "dependencies": {
    "@electron/universal": "2.0.1"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40electron/universal@2.0.1",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40electron/universal@2.0.1"
  ],
  "symbols": [
    "makeUniversalApp"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import path from 'node:path';
import fs from 'node:fs/promises';
import { fileURLToPath } from 'node:url';
import { makeUniversalApp, createUniversalApp } from '../index.js';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

async function runTests() {
  const tempDir = path.resolve(__dirname, '.temp-test');
  await fs.rm(tempDir, { recursive: true, force: true });
  await fs.mkdir(tempDir, { recursive: true });

  const dummyX64 = path.resolve(tempDir, 'mock_x64.app');
  const dummyArm64 = path.resolve(tempDir, 'mock_arm64.app');
  const dummyOut = path.resolve(tempDir, 'mock_out.app');

  // 1. makeUniversalApp rejects with an Error on non-darwin platforms indicating darwin support requirement
  {
    const origPlatform = process.platform;
    try {
      Object.defineProperty(process, 'platform', { value: 'linux', configurable: true });
      await assert.rejects(
        async () => {
          await createUniversalApp({
            x64AppPath: dummyX64,
            arm64AppPath: dummyArm64,
            outAppPath: dummyOut,
          });
        },
        /only supported on darwin platforms/
      );
    } finally {
      Object.defineProperty(process, 'platform', { value: origPlatform, configurable: true });
    }
  }

  // Set darwin platform for validation tests
  const origPlatform = process.platform;
  Object.defineProperty(process, 'platform', { value: 'darwin', configurable: true });

  try {
    // 2. makeUniversalApp validates that x64AppPath is an absolute path
    {
      await assert.rejects(
        async () => {
          await makeUniversalApp({
            x64AppPath: path.join('relative', 'x64.app'),
            arm64AppPath: dummyArm64,
            outAppPath: dummyOut,
          });
        },
        /Expected opts\.x64AppPath to be an absolute path but it was not/
      );
    }

    // 3. makeUniversalApp validates that arm64AppPath is an absolute path
    {
      await assert.rejects(
        async () => {
          await makeUniversalApp({
            x64AppPath: dummyX64,
            arm64AppPath: path.join('relative', 'arm64.app'),
            outAppPath: dummyOut,
          });
        },
        /Expected opts\.arm64AppPath to be an absolute path but it was not/
      );
    }

    // 4. makeUniversalApp validates that outAppPath is an absolute path
    {
      await assert.rejects(
        async () => {
          await makeUniversalApp({
            x64AppPath: dummyX64,
            arm64AppPath: dummyArm64,
            outAppPath: path.join('relative', 'out.app'),
          });
        },
        /Expected opts\.outAppPath to be an absolute path but it was not/
      );
    }

    // 5. makeUniversalApp rejects when outAppPath already exists and force option is not true
    {
      const existingOut = path.resolve(tempDir, 'Existing.app');
      await fs.writeFile(existingOut, 'dummy');

      await assert.rejects(
        async () => {
          await makeUniversalApp({
            x64AppPath: path.resolve(tempDir, 'x64.app'),
            arm64AppPath: path.resolve(tempDir, 'arm64.app'),
            outAppPath: existingOut,
            force: false,
          });
        },
        /already exists and force is not set to true/
      );
    }

    // 6. makeUniversalApp rejects when asar settings differ between x64 and arm64 applications
    {
      const x64App = path.resolve(tempDir, 'x64_asar.app');
      const arm64App = path.resolve(tempDir, 'arm64_noasar.app');
      const outApp = path.resolve(tempDir, 'out_asar.app');

      await fs.mkdir(path.join(x64App, 'Contents', 'Resources'), { recursive: true });
      await fs.writeFile(path.join(x64App, 'Contents', 'Resources', 'app.asar'), 'asar data');

      await fs.mkdir(path.join(arm64App, 'Contents', 'Resources'), { recursive: true });

      await assert.rejects(
        async () => {
          await makeUniversalApp({
            x64AppPath: x64App,
            arm64AppPath: arm64App,
            outAppPath: outApp,
          });
        },
        /Both the x64 and arm64 versions of your application need to have been built with the same asar settings/
      );
    }
  } finally {
    Object.defineProperty(process, 'platform', { value: origPlatform, configurable: true });
    await fs.rm(tempDir, { recursive: true, force: true });
  }

  console.log('All contracts passed successfully.');
}

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

Seeder de origem

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