CodeSampleX

示例

jsdom 25.0.1

已验证示例 — npm jsdom 25.0.1. contract 在 node 22 · linux alpine/x64 · docker 上运行并通过： JSDOM parses HTML markup and provides standard DOM window and document…

sha256:5eff6d24fa3702fbcc5542d8c74820cdee575fcedb95ea91a6b03d0be3efd117

本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。 提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。 MIT-0

执行证据

声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。

证据依据
签名契约通过
验证回执
1
构建过它的签名密钥
1
声明的环境 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

验证运行环境

环境 契约 阶段 运行日期
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

案例

HOW
目标
verify pkg:npm/jsdom@25.0.1
包
环境
node 22.23.2
创建时间
2026-08-20T07:03:04Z

契约

  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

文件

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

下载源代码构件 (tar.gz)

源代码

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": {
        "@csstools/css-calc": "^2.1.3",
        "@csstools/css-color-parser": "^3.0.9",
        "@csstools/css-parser-algorithms": "^3.0.4",
        "@csstools/css-tokenizer": "^3.0.3",
        "lru-cache": "^10.4.3"
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    "node_modules/@csstools/color-helpers": {
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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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