CodeSampleX

Exemple

jsdom 25.0.1

Échantillon vérifié pour npm jsdom 25.0.1. Le contrat s'est exécuté sur node 22 · linux alpine/x64 · docker et a réussi : JSDOM parses HTML markup and…

sha256:5eff6d24fa3702fbcc5542d8c74820cdee575fcedb95ea91a6b03d0be3efd117

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 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Environnements des exécutions de vérification

Environnement Contrat Étapes Exécution
node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1		 2026-08-20

Cas

HOW
Objectif
verify pkg:npm/jsdom@25.0.1
Paquets
Environnement
node 22.23.2
Créé
2026-08-20T07:03:04Z

Contrat

  1. JSDOM parses HTML markup and provides standard DOM window and document objects
  2. JSDOM supports DOM element query, creation, mutation, and serialization
  3. JSDOM creates and populates DocumentFragment instances from HTML fragments via JSDOM.fragment
  4. JSDOM configures window location and execution environment using options
  5. VirtualConsole captures and redirects console messages generated within JSDOM window context

Fichiers

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

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/jsdom@25.0.1
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/jsdom@25.0.1
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - packageManager: npm@10.9.8
  - 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:sha256:377709d81cfed67606dfbbb825c385c9842bbcecb55a108af6d2509b4c40a94d","constraints":{"executionContext":"node"},"contract":["JSDOM parses HTML markup and provides standard DOM window and document objects","JSDOM supports DOM element query, creation, mutation, and serialization","JSDOM creates and populates DocumentFragment instances from HTML fragments via JSDOM.fragment","JSDOM configures window location and execution environment using options","VirtualConsole captures and redirects console messages generated within JSDOM window context"],"goal":"verify pkg:npm/jsdom@25.0.1","kind":"HOW","packages":["pkg:npm/jsdom@25.0.1"],"schemaVersion":1},"contractCommand":["node","test/contract.js"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/jsdom@25.0.1"],"schemaVersion":1,"verifierAdapter":"node-typescript@1"}
package-lock.json
{
  "name": "jsdom-sample",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "jsdom-sample",
      "version": "1.0.0",
      "dependencies": {
        "jsdom": "25.0.1"
      }
    },
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      "version": "3.2.0",
      "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-3.2.0.tgz",
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      "license": "MIT",
      "dependencies": {
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        "@csstools/css-color-parser": "^3.0.9",
        "@csstools/css-parser-algorithms": "^3.0.4",
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        "lru-cache": "^10.4.3"
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package.json
{
  "name": "jsdom-sample",
  "version": "1.0.0",
  "dependencies": {
    "jsdom": "25.0.1"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/jsdom@25.0.1",
  "kind": "HOW",
  "packages": [
    "pkg:npm/jsdom@25.0.1"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}
src/index.js
const { JSDOM, VirtualConsole } = require('jsdom');

/**
 * Creates a JSDOM instance with provided HTML and options.
 *
 * @param {string} [html=''] - HTML content to initialize.
 * @param {object} [options={}] - JSDOM configuration options.
 * @returns {JSDOM}
 */
function createDOM(html = '', options = {}) {
  return new JSDOM(html, options);
}

/**
 * Parses an HTML string into a DocumentFragment.
 *
 * @param {string} html - HTML fragment string.
 * @returns {DocumentFragment}
 */
function parseFragment(html) {
  return JSDOM.fragment(html);
}

/**
 * Serializes a JSDOM instance or document to HTML string.
 *
 * @param {JSDOM} dom - JSDOM instance.
 * @returns {string}
 */
function serializeDOM(dom) {
  return dom.serialize();
}

/**
 * Executes a function with a VirtualConsole capturing logs.
 *
 * @param {string} html - HTML content with script to run.
 * @param {object} [options={}] - Options for JSDOM.
 * @returns {{ dom: JSDOM, logs: string[] }}
 */
function runWithConsoleCapture(html, options = {}) {
  const virtualConsole = new VirtualConsole();
  const logs = [];
  virtualConsole.on('log', (message) => {
    logs.push(String(message));
  });

  const dom = new JSDOM(html, {
    runScripts: 'dangerously',
    virtualConsole,
    ...options,
  });

  return { dom, logs };
}

module.exports = {
  JSDOM,
  VirtualConsole,
  createDOM,
  parseFragment,
  serializeDOM,
  runWithConsoleCapture,
};
test/contract.js
const assert = require('node:assert/strict');
const {
  JSDOM,
  VirtualConsole,
  createDOM,
  parseFragment,
  serializeDOM,
  runWithConsoleCapture,
} = require('../src/index.js');

function testDocumentParsingAndWindow() {
  const html = '<!DOCTYPE html><html><head><title>Test Page</title></head><body><h1 id="header">Hello jsdom</h1></body></html>';
  const dom = createDOM(html);

  assert.ok(dom.window, 'dom.window should be defined');
  assert.ok(dom.window.document, 'dom.window.document should be defined');
  assert.strictEqual(dom.window.document.title, 'Test Page');

  const heading = dom.window.document.getElementById('header');
  assert.ok(heading, 'header element should exist');
  assert.strictEqual(heading.textContent, 'Hello jsdom');
  assert.strictEqual(heading.tagName, 'H1');
}

function testDOMManipulationAndSerialization() {
  const dom = createDOM('<!DOCTYPE html><html><body><ul id="list"><li>Item 1</li></ul></body></html>');
  const { document } = dom.window;

  const list = document.getElementById('list');
  assert.strictEqual(list.children.length, 1);

  const newItem = document.createElement('li');
  newItem.textContent = 'Item 2';
  newItem.className = 'active';
  list.appendChild(newItem);

  assert.strictEqual(list.children.length, 2);
  assert.strictEqual(list.lastElementChild.textContent, 'Item 2');
  assert.strictEqual(list.lastElementChild.className, 'active');

  const serialized = serializeDOM(dom);
  assert.ok(serialized.includes('<li class="active">Item 2</li>'), 'serialized HTML contains new element');
}

function testFragmentParsing() {
  const fragment = parseFragment('<p class="first">First</p><p class="second">Second</p>');

  assert.strictEqual(fragment.childElementCount, 2);
  assert.strictEqual(fragment.firstElementChild.className, 'first');
  assert.strictEqual(fragment.firstElementChild.textContent, 'First');
  assert.strictEqual(fragment.lastElementChild.className, 'second');
  assert.strictEqual(fragment.lastElementChild.textContent, 'Second');
}

function testOptionsAndUrl() {
  const dom = createDOM('<!DOCTYPE html><html><body></body></html>', {
    url: 'https://example.com/subpath/page.html',
    contentType: 'text/html',
  });

  assert.strictEqual(dom.window.location.href, 'https://example.com/subpath/page.html');
  assert.strictEqual(dom.window.location.origin, 'https://example.com');
  assert.strictEqual(dom.window.location.pathname, '/subpath/page.html');
}

function testVirtualConsole() {
  const html = '<!DOCTYPE html><html><body><script>console.log("captured message 1"); console.log("captured message 2");</script></body></html>';
  const { logs } = runWithConsoleCapture(html);

  assert.strictEqual(logs.length, 2);
  assert.strictEqual(logs[0], 'captured message 1');
  assert.strictEqual(logs[1], 'captured message 2');
}

function main() {
  testDocumentParsingAndWindow();
  testDOMManipulationAndSerialization();
  testFragmentParsing();
  testOptionsAndUrl();
  testVirtualConsole();

  console.log('All pkg:npm/jsdom@25.0.1 contracts passed successfully.');
}

main();

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