CodeSampleX

Ejemplo

vite 5.4.14

Muestra verificada para npm vite 5.4.14. El contrato se ejecutó en node 22 · linux debian/x64 · docker y pasó: loadEnv is exported as a named function from…

sha256:d9293fa7bd3c8937c74247c7e368766c6e2ace624c3232f25c58d009c1ad8de5

Esta red ofrece una sola cosa: una muestra que compila. La ejecutó en un sandbox y guardó el recibo firmado. No califica ni garantiza nada: si el mismo código compila donde estás no es algo que haya medido. Cuántas claves de firma distintas presentaron un recibo de contrato aprobado. Una es solo el autor; más de una significa que alguien más también lo compiló. Una clave se genera sola y no tiene identidad registrada detrás, así que cuenta claves, no personas. MIT-0

Evidencia de ejecución

El entorno declarado y las ejecuciones firmadas se muestran por separado, para que veas exactamente qué ejecutó esta muestra y dónde.

Base de evidencia
Contrato firmado aprobado
Recibos de verificación
1
Claves de firma que lo compilaron
1
Entorno declarado node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Entornos de las ejecuciones de verificación

Entorno Contrato Etapas Ejecución
node 22 · linux debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22@sha256:8a34c4ab3ea2…		 2026-09-07

Caso

HOW
Objetivo
verify pkg:npm/vite@5.4.14
Paquetes
Entorno
node 22.23.2
Creado
2026-09-07T02:05:35Z

Contrato

  1. loadEnv is exported as a named function from vite
  2. loadEnv loads mode-specific environment variables with default VITE_ prefix from .env files
  3. loadEnv overrides base .env values with mode-specific .env.[mode] configurations
  4. loadEnv prioritizes .env.[mode].local overrides over un-suffixed mode environment files
  5. loadEnv filters environment variables using single custom prefix or array of prefixes
  6. loadEnv loads all variables without filtering when prefix is configured as empty string
  7. loadEnv returns an empty object when target directory contains no env files

Archivos

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

Descargar el artefacto de código fuente (tar.gz)

Código fuente

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@5.4.14
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/vite@5.4.14

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:bcd62d39575132b4fcea274fd168352ad6e6a1efeaa95f761607061053bb283b","contract":["loadEnv is exported as a named function from vite","loadEnv loads mode-specific environment variables with default VITE_ prefix from .env files","loadEnv overrides base .env values with mode-specific .env.[mode] configurations","loadEnv prioritizes .env.[mode].local overrides over un-suffixed mode environment files","loadEnv filters environment variables using single custom prefix or array of prefixes","loadEnv loads all variables without filtering when prefix is configured as empty string","loadEnv returns an empty object when target directory contains no env files"],"goal":"verify pkg:npm/vite@5.4.14","kind":"HOW","packages":["pkg:npm/vite@5.4.14"],"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@5.4.14"],"schemaVersion":1,"subject":"pkg:npm/vite@5.4.14","verifierAdapter":"node-typescript@1"}
package-lock.json
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  "name": "sample-vite",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-vite",
      "version": "1.0.0",
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      }
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  }
}
package.json
{
  "name": "sample-vite",
  "version": "1.0.0",
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "vite": "5.4.14"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/vite@5.4.14",
  "kind": "HOW",
  "packages": [
    "pkg:npm/vite@5.4.14"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { loadEnv } from 'vite';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const fixtureDir = path.resolve(__dirname, 'fixtures');

function setupFixtures() {
  fs.rmSync(fixtureDir, { recursive: true, force: true });
  fs.mkdirSync(fixtureDir, { recursive: true });

  // Base .env
  fs.writeFileSync(
    path.join(fixtureDir, '.env'),
    [
      'VITE_APP_NAME=SampleVite',
      'VITE_API_URL=https://example.com/api',
      'CUSTOM_API_KEY=custom-key-xyz',
      'UNPREFIXED_SECRET=secret-value'
    ].join('\n')
  );

  // Mode-specific .env.staging
  fs.writeFileSync(
    path.join(fixtureDir, '.env.staging'),
    [
      'VITE_API_URL=https://staging.example.com/api',
      'VITE_STAGING_MODE=true'
    ].join('\n')
  );

  // Local override .env.staging.local
  fs.writeFileSync(
    path.join(fixtureDir, '.env.staging.local'),
    [
      'VITE_API_URL=https://staging-local.example.com/api'
    ].join('\n')
  );
}

function cleanupFixtures() {
  if (fs.existsSync(fixtureDir)) {
    fs.rmSync(fixtureDir, { recursive: true, force: true });
  }
}

async function testContract() {
  setupFixtures();
  try {
    // 1. loadEnv is exported as a named function from vite
    assert.equal(typeof loadEnv, 'function');
    assert.equal(loadEnv.name, 'loadEnv');

    // 2. loadEnv loads mode-specific environment variables with default VITE_ prefix from .env files
    const defaultEnv = loadEnv('development', fixtureDir);
    assert.equal(defaultEnv.VITE_APP_NAME, 'SampleVite');
    assert.equal(defaultEnv.VITE_API_URL, 'https://example.com/api');
    assert.equal(defaultEnv.CUSTOM_API_KEY, undefined);
    assert.equal(defaultEnv.UNPREFIXED_SECRET, undefined);

    // 3. loadEnv overrides base .env values with mode-specific .env.[mode] configurations
    const stagingEnv = loadEnv('staging', fixtureDir);
    assert.equal(stagingEnv.VITE_APP_NAME, 'SampleVite');
    assert.equal(stagingEnv.VITE_STAGING_MODE, 'true');

    // 4. loadEnv prioritizes .env.[mode].local overrides over un-suffixed mode environment files
    assert.equal(stagingEnv.VITE_API_URL, 'https://staging-local.example.com/api');

    // 5. loadEnv filters environment variables using single custom prefix or array of prefixes
    const customSinglePrefix = loadEnv('development', fixtureDir, 'CUSTOM_');
    assert.equal(customSinglePrefix.CUSTOM_API_KEY, 'custom-key-xyz');
    assert.equal(customSinglePrefix.VITE_APP_NAME, undefined);

    const multiplePrefixes = loadEnv('development', fixtureDir, ['VITE_', 'CUSTOM_']);
    assert.equal(multiplePrefixes.VITE_APP_NAME, 'SampleVite');
    assert.equal(multiplePrefixes.CUSTOM_API_KEY, 'custom-key-xyz');
    assert.equal(multiplePrefixes.UNPREFIXED_SECRET, undefined);

    // 6. loadEnv loads all variables without filtering when prefix is configured as empty string
    const allEnv = loadEnv('development', fixtureDir, '');
    assert.equal(allEnv.VITE_APP_NAME, 'SampleVite');
    assert.equal(allEnv.CUSTOM_API_KEY, 'custom-key-xyz');
    assert.equal(allEnv.UNPREFIXED_SECRET, 'secret-value');

    // 7. loadEnv returns an empty object when target directory contains no env files
    const emptyDir = path.resolve(__dirname, 'empty-test-dir');
    fs.mkdirSync(emptyDir, { recursive: true });
    try {
      const emptyResult = loadEnv('development', emptyDir);
      assert.deepEqual(emptyResult, {});
    } finally {
      fs.rmdirSync(emptyDir);
    }
  } finally {
    cleanupFixtures();
  }
}

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

Seeder de origen

anónimo