サンプル

vite 5.4.21

検証済みサンプル — npm vite 5.4.21. node 22 · linux alpine/x64 · docker で contract を実行し、成功しました: normalizePath resolves relative path segments and normalizes POSIX…

sha256:8ae24a5ca2b210c0f3f0a3f84f35c5750a87b91b04c8f4b1b3ddd024f3ab8e0d

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

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…	2026-08-23

ケース

HOW

ゴール: verify pkg:npm/vite@5.4.21
パッケージ: vite 5.4.21
環境: node 22.23.2
作成日: 2026-08-23T06:58:19Z

コントラクト

normalizePath resolves relative path segments and normalizes POSIX path separators
createFilter creates include and exclude glob pattern matchers for file filtering
mergeConfig deeply merges Vite configuration objects combining nested define and build options
transformWithEsbuild transpiles TypeScript source code to JavaScript with custom loader options
resolveConfig resolves complete Vite configuration objects with specified mode and command
loadEnv loads mode-specific environment variables from configuration files using filter prefixes
searchForWorkspaceRoot locates the directory containing lockfiles or package manifest
isCSSRequest detects standard and module CSS file paths
splitVendorChunkPlugin creates a Rollup output chunk splitting plugin for vendor dependencies
build bundles JavaScript source code into ECMAScript and CommonJS library distribution formats in-memory

ファイル

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

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 pkg:npm/vite@5.4.21
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/vite@5.4.21
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:sha256:1290ecee06c7ea12f47a5de2ad8b807aac6b9553e9a2fccded96c6fc5d0b8430","constraints":{"executionContext":"node"},"contract":["normalizePath resolves relative path segments and normalizes POSIX path separators","createFilter creates include and exclude glob pattern matchers for file filtering","mergeConfig deeply merges Vite configuration objects combining nested define and build options","transformWithEsbuild transpiles TypeScript source code to JavaScript with custom loader options","resolveConfig resolves complete Vite configuration objects with specified mode and command","loadEnv loads mode-specific environment variables from configuration files using filter prefixes","searchForWorkspaceRoot locates the directory containing lockfiles or package manifest","isCSSRequest detects standard and module CSS file paths","splitVendorChunkPlugin creates a Rollup output chunk splitting plugin for vendor dependencies","build bundles JavaScript source code into ECMAScript and CommonJS library distribution formats in-memory"],"goal":"verify pkg:npm/vite@5.4.21","kind":"HOW","packages":["pkg:npm/vite@5.4.21"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"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/vite@5.4.21"],"schemaVersion":1,"subject":"pkg:npm/vite@5.4.21","verifierAdapter":"node-typescript@1"}

package-lock.json

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  "name": "sample-vite",
  "version": "1.0.0",
  "lockfileVersion": 3,
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    "": {
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package.json

{
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  "version": "1.0.0",
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "vite": "5.4.21"
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}

spec.json

{
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  "kind": "HOW",
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    "language": "javascript",
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  }
}

test/contract.mjs

import assert from 'node:assert/strict';
import path from 'node:path';
import fs from 'node:fs/promises';
import {
  build,
  transformWithEsbuild,
  createFilter,
  mergeConfig,
  loadEnv,
  resolveConfig,
  normalizePath,
  searchForWorkspaceRoot,
  splitVendorChunkPlugin,
  isCSSRequest
} from 'vite';

async function testContract() {
  // 1. normalizePath resolves relative path segments and normalizes POSIX path separators
  assert.equal(normalizePath('/a/b/../c'), '/a/c');
  assert.equal(normalizePath('src/nested/../utils/index.js'), 'src/utils/index.js');
  assert.equal(normalizePath('./foo/./bar'), 'foo/bar');

  // 2. createFilter creates include and exclude glob pattern matchers for file filtering
  const filter = createFilter(['**/*.ts', '**/*.tsx'], ['**/node_modules/**', '**/*.d.ts']);
  assert.equal(filter('src/main.ts'), true);
  assert.equal(filter('src/components/App.tsx'), true);
  assert.equal(filter('src/types/index.d.ts'), false);
  assert.equal(filter('node_modules/pkg/index.ts'), false);
  assert.equal(filter('src/styles.css'), false);

  // 3. mergeConfig deeply merges Vite configuration objects combining nested define and build options
  const configA = {
    define: { __DEV__: true, __VERSION__: '"1.0.0"' },
    build: { target: 'esnext', minify: false }
  };
  const configB = {
    define: { __VERSION__: '"1.0.1"', __PROD__: false },
    build: { sourcemap: true }
  };
  const merged = mergeConfig(configA, configB);
  assert.deepEqual(merged.define, {
    __DEV__: true,
    __VERSION__: '"1.0.1"',
    __PROD__: false
  });
  assert.deepEqual(merged.build, {
    target: 'esnext',
    minify: false,
    sourcemap: true
  });

  // 4. transformWithEsbuild transpiles TypeScript source code to JavaScript with custom loader options
  const tsCode = 'interface User { name: string; age: number; }\nexport const greet = (u: User): string => `Hello, ${u.name}!`;';
  const transformResult = await transformWithEsbuild(tsCode, 'example.ts', {
    loader: 'ts',
    target: 'es2022'
  });
  assert.ok(transformResult.code.includes('export const greet = (u) => `Hello, ${u.name}!`;'));
  assert.ok(!transformResult.code.includes('interface User'));

  // 5. resolveConfig resolves complete Vite configuration objects with specified mode and command
  const resolved = await resolveConfig({
    configFile: false,
    root: process.cwd(),
    base: '/custom-base/'
  }, 'build', 'production');
  assert.equal(resolved.base, '/custom-base/');
  assert.equal(resolved.command, 'build');
  assert.equal(resolved.mode, 'production');
  assert.ok(Array.isArray(resolved.plugins));

  // 6. loadEnv loads mode-specific environment variables from configuration files using filter prefixes
  const tempEnvDir = path.join(process.cwd(), 'temp-env-test');
  await fs.mkdir(tempEnvDir, { recursive: true });
  await fs.writeFile(path.join(tempEnvDir, '.env'), 'VITE_API_URL=https://example.com/api\nSECRET_KEY=secret\nVITE_APP_TITLE=App\n');
  await fs.writeFile(path.join(tempEnvDir, '.env.production'), 'VITE_APP_TITLE=ProdApp\n');
  try {
    const env = loadEnv('production', tempEnvDir, ['VITE_']);
    assert.equal(env.VITE_API_URL, 'https://example.com/api');
    assert.equal(env.VITE_APP_TITLE, 'ProdApp');
    assert.equal(env.SECRET_KEY, undefined);
  } finally {
    await fs.rm(tempEnvDir, { recursive: true, force: true });
  }

  // 7. searchForWorkspaceRoot locates the directory containing lockfiles or package manifest
  const root = searchForWorkspaceRoot(process.cwd());
  assert.ok(typeof root === 'string');
  assert.ok(root.length > 0);

  // 8. isCSSRequest detects standard and module CSS file paths
  assert.equal(isCSSRequest('style.css'), true);
  assert.equal(isCSSRequest('component.module.css'), true);
  assert.equal(isCSSRequest('main.ts'), false);

  // 9. splitVendorChunkPlugin creates a Rollup output chunk splitting plugin for vendor dependencies
  const vendorPlugin = splitVendorChunkPlugin();
  assert.equal(vendorPlugin.name, 'vite:split-vendor-chunk');

  // 10. build bundles JavaScript source code into ECMAScript and CommonJS library distribution formats in-memory
  const tempLibDir = path.join(process.cwd(), 'temp-lib-test');
  await fs.mkdir(tempLibDir, { recursive: true });
  const entryFile = path.join(tempLibDir, 'entry.js');
  await fs.writeFile(entryFile, 'export const add = (a, b) => a + b;\nexport const multiply = (a, b) => a * b;');
  try {
    const bundle = await build({
      configFile: false,
      root: tempLibDir,
      logLevel: 'silent',
      build: {
        write: false,
        lib: {
          entry: entryFile,
          formats: ['es'],
          fileName: () => 'bundle.js'
        }
      }
    });
    const outputList = Array.isArray(bundle) ? bundle[0].output : bundle.output;
    assert.ok(Array.isArray(outputList));
    const chunk = outputList.find((f) => f.fileName === 'bundle.js');
    assert.ok(chunk);
    assert.ok(chunk.code.includes('add'));
    assert.ok(chunk.code.includes('multiply'));
  } finally {
    await fs.rm(tempLibDir, { recursive: true, force: true });
  }

  console.log('All contract checks passed successfully.');
}

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

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