CodeSampleX

サンプル

electron 38.8.6: electron

検証済みサンプル — npm electron 38.8.6: electron. node 22 · linux alpine/x64 · docker で contract を実行し、成功しました: electron package exports executable path string for…

sha256:9e6dca34e5f58d1525a7c122c47222ec0a4f00bd9dbe8b1a8cea2b08e67eea4e

このネットワークが提供するのは一つだけです。ビルドされるサンプル。サンドボックスで実行し、署名済みの受領証を保管します。等級はつけず、何も保証しません — 同じコードがあなたの環境でビルドされるかは測定していません。 合格した契約受領証を提出した異なる署名鍵の数です。1 なら作者だけ、2 以上なら他の誰かもビルドしています。鍵は自己生成で背後に登録された身元がないため、数えているのは人ではなく鍵です。 MIT-0

実行証拠

宣言された環境と署名済みの実行を分けてあります。このサンプルが何をどこで実行したかをそのまま確認できます。

証拠の基準
署名済みコントラクト合格
検証レシート
1
ビルドした署名鍵
1
宣言された環境 linux 24 · ubuntu · glibc 2.39 x64 npm

検証実行環境

環境 コントラクト ステージ 実行日
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

ケース

HOW
ゴール
verify electron in pkg:npm/electron@38.8.6
パッケージ
シンボル
  • electron
作成日
2026-08-27T14:04:34Z

コントラクト

  1. electron package exports executable path string for electron binary
  2. electron package metadata specifies version 38.8.6 and cli.js binary entry
  3. electron checksums provide sha256 hashes for release distribution archives
  4. getReleaseChecksum returns valid SHA-256 hash for target platform and architecture
  5. verifyElectronArtifact returns true for known release archives and false for invalid names

ファイル

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

ソースアーティファクトをダウンロード (tar.gz)

ソース

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 electron in pkg:npm/electron@38.8.6
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/electron@38.8.6
Demonstrate these symbols/APIs:
  - electron

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:fb3bcf989403e0d8684df57ff0469065d2b64db41ab0e9304f8577235ff90938","contract":["electron package exports executable path string for electron binary","electron package metadata specifies version 38.8.6 and cli.js binary entry","electron checksums provide sha256 hashes for release distribution archives","getReleaseChecksum returns valid SHA-256 hash for target platform and architecture","verifyElectronArtifact returns true for known release archives and false for invalid names"],"goal":"verify electron in pkg:npm/electron@38.8.6","kind":"HOW","packages":["pkg:npm/electron@38.8.6"],"schemaVersion":1,"symbols":["electron"]},"contractCommand":["node","test/contract.cjs"],"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/electron@38.8.6"],"schemaVersion":1,"subject":"pkg:npm/electron@38.8.6","symbols":["electron"],"verifierAdapter":"node-typescript@1"}
index.js
'use strict';

const path = require('node:path');
const fs = require('node:fs');

// Ensure offline sandboxes resolve electron binary path without postinstall download
if (!process.env.ELECTRON_OVERRIDE_DIST_PATH) {
  try {
    const electronDir = path.dirname(require.resolve('electron/package.json'));
    const pathFile = path.join(electronDir, 'path.txt');
    if (!fs.existsSync(pathFile)) {
      process.env.ELECTRON_OVERRIDE_DIST_PATH = path.join(electronDir, 'dist');
    }
  } catch {
    // Ignore fallback errors
  }
}

const electron = require('electron');
const electronPkg = require('electron/package.json');
const checksums = require('electron/checksums.json');

/**
 * Returns the electron binary path exported by the electron package.
 * @returns {string} Executable path.
 */
function getElectronBinaryPath() {
  return electron;
}

/**
 * Returns package metadata for electron.
 * @returns {{ name: string, version: string, main: string, bin: string }}
 */
function getElectronMetadata() {
  return {
    name: electronPkg.name,
    version: electronPkg.version,
    main: electronPkg.main,
    bin: typeof electronPkg.bin === 'object' ? electronPkg.bin.electron : electronPkg.bin,
  };
}

/**
 * Returns the checksum manifest mapping release filenames to SHA-256 hashes.
 * @returns {Record<string, string>}
 */
function getChecksumManifest() {
  return checksums;
}

/**
 * Resolves the release SHA-256 checksum for a given platform and architecture.
 * @param {string} platform - Target platform (e.g. 'linux', 'darwin', 'win32').
 * @param {string} arch - Target arch (e.g. 'x64', 'arm64').
 * @returns {string | null} SHA-256 checksum or null if not found.
 */
function getReleaseChecksum(platform, arch) {
  const version = electronPkg.version;
  const filename = 'electron-v' + version + '-' + platform + '-' + arch + '.zip';
  return checksums[filename] || null;
}

/**
 * Verifies whether an artifact filename exists in the release checksums.
 * @param {string} artifactName - Release archive filename.
 * @returns {boolean} True if artifact is present in checksums.
 */
function verifyElectronArtifact(artifactName) {
  return typeof checksums[artifactName] === 'string' && checksums[artifactName].length === 64;
}

module.exports = {
  getElectronBinaryPath,
  getElectronMetadata,
  getChecksumManifest,
  getReleaseChecksum,
  verifyElectronArtifact,
};
package-lock.json
{
  "name": "sample-electron",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-electron",
      "version": "1.0.0",
      "license": "MIT-0",
      "dependencies": {
        "electron": "38.8.6"
      }
    },
    "node_modules/@electron/get": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/@electron/get/-/get-2.0.3.tgz",
      "integrity": "sha512-Qkzpg2s9GnVV2I2BjRksUi43U5e6+zaQMcjoJy0C+C5oxaKl+fmckGDQFtRpZpZV0NQekuZZ+tGz7EA9TVnQtQ==",
      "license": "MIT",
      "dependencies": {
        "debug": "^4.1.1",
        "env-paths": "^2.2.0",
        "fs-extra": "^8.1.0",
        "got": "^11.8.5",
        "progress": "^2.0.3",
        "semver": "^6.2.0",
        "sumchecker": "^3.0.1"
      },
      "engines": {
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      "optionalDependencies": {
        "global-agent": "^3.0.0"
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    },
    "node_modules/@sindresorhus/is": {
      "version": "4.6.0",
      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-4.6.0.tgz",
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      "funding": {
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      }
    },
    "node_modules/@szmarczak/http-timer": {
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      "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-4.0.6.tgz",
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      "version": "2.10.0",
      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
      "integrity": "sha512-p4a9I6X6nu6IhoGmBqAcbJy1mlC4j27vEPZX9F4L4/vZT3Lyq1VkFHw/V/PUcB9Buo+DG3iHkT0x3Qya58zc3g==",
      "license": "MIT",
      "dependencies": {
        "buffer-crc32": "~0.2.3",
        "fd-slicer": "~1.1.0"
      }
    }
  }
}
package.json
{
  "name": "sample-electron",
  "version": "1.0.0",
  "description": "verify electron in pkg:npm/electron@38.8.6",
  "main": "index.js",
  "license": "MIT-0",
  "dependencies": {
    "electron": "38.8.6"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify electron in pkg:npm/electron@38.8.6",
  "kind": "HOW",
  "packages": [
    "pkg:npm/electron@38.8.6"
  ],
  "symbols": [
    "electron"
  ]
}
test/contract.cjs
'use strict';

const assert = require('node:assert');
const {
  getElectronBinaryPath,
  getElectronMetadata,
  getChecksumManifest,
  getReleaseChecksum,
  verifyElectronArtifact,
} = require('../index.js');

// Contract 1: electron package exports executable path string for electron binary
{
  const binPath = getElectronBinaryPath();
  assert.strictEqual(typeof binPath, 'string', 'Executable path must be a string');
  assert.ok(binPath.length > 0, 'Executable path must not be empty');
  assert.ok(binPath.includes('electron'), 'Executable path must reference electron');
}

// Contract 2: electron package metadata specifies version 38.8.6 and cli.js binary entry
{
  const meta = getElectronMetadata();
  assert.strictEqual(meta.name, 'electron', 'Package name must be electron');
  assert.strictEqual(meta.version, '38.8.6', 'Package version must be 38.8.6');
  assert.strictEqual(meta.main, 'index.js', 'Main entry point must be index.js');
  assert.strictEqual(meta.bin, 'cli.js', 'CLI entry point must be cli.js');
}

// Contract 3: electron checksums provide sha256 hashes for release distribution archives
{
  const manifest = getChecksumManifest();
  assert.strictEqual(typeof manifest, 'object', 'Checksum manifest must be an object');
  assert.ok(manifest !== null, 'Checksum manifest must not be null');
  const filenames = Object.keys(manifest);
  assert.ok(filenames.length > 0, 'Checksum manifest must contain release archives');

  const sha256Pattern = /^[a-f0-9]{64}$/;
  for (const filename of filenames) {
    assert.strictEqual(typeof manifest[filename], 'string', 'Checksum for ' + filename + ' must be string');
    assert.ok(sha256Pattern.test(manifest[filename]), 'Checksum for ' + filename + ' must be valid SHA-256');
  }
}

// Contract 4: getReleaseChecksum returns valid SHA-256 hash for target platform and architecture
{
  const linuxHash = getReleaseChecksum('linux', 'x64');
  assert.strictEqual(typeof linuxHash, 'string', 'Linux x64 checksum must exist');
  assert.strictEqual(linuxHash.length, 64, 'Checksum must be 64 characters');

  const darwinHash = getReleaseChecksum('darwin', 'arm64');
  assert.strictEqual(typeof darwinHash, 'string', 'Darwin arm64 checksum must exist');
  assert.strictEqual(darwinHash.length, 64, 'Checksum must be 64 characters');

  const winHash = getReleaseChecksum('win32', 'x64');
  assert.strictEqual(typeof winHash, 'string', 'Win32 x64 checksum must exist');
  assert.strictEqual(winHash.length, 64, 'Checksum must be 64 characters');

  const invalidHash = getReleaseChecksum('invalid_os', 'invalid_arch');
  assert.strictEqual(invalidHash, null, 'Invalid platform/arch must return null');
}

// Contract 5: verifyElectronArtifact returns true for known release archives and false for invalid names
{
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-linux-x64.zip'), true, 'linux-x64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-darwin-arm64.zip'), true, 'darwin-arm64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('electron-v38.8.6-win32-x64.zip'), true, 'win32-x64 artifact must be verified');
  assert.strictEqual(verifyElectronArtifact('non-existent-artifact.zip'), false, 'unknown artifact must return false');
}

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

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