CodeSampleX

Exemple

vite 5.4.21: defineConfig

Échantillon vérifié pour npm vite 5.4.21: defineConfig. Le contrat s'est exécuté sur node 22 · linux alpine/x64 · docker et a réussi.

sha256:7338124b0e271ff76969245833bd5c78bf09f62bc758d92ae832f97a59e3b7a0

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:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-26

Cas

HOW
Objectif
verify vite.defineConfig in pkg:npm/vite@5.4.21
Paquets
Symboles
  • vite.defineConfig
Environnement
node 22.23.2
Créé
2026-08-26T06:16:50Z

Contrat

  1. defineConfig returns the exact object reference passed to it for static configuration objects
  2. defineConfig returns synchronous configuration factory functions with ConfigEnv parameters
  3. defineConfig preserves asynchronous configuration factory functions returning Promises
  4. defineConfig preserves direct Promise instances for asynchronously resolved configurations
  5. defineConfig static configurations are valid UserConfig objects that resolveConfig normalizes
  6. defineConfig is exported as a named function from vite

Fichiers

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

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 vite.defineConfig in pkg:npm/vite@5.4.21
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/vite@5.4.21
Demonstrate these symbols/APIs:
  - vite.defineConfig
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:eb65090dde13e8dcb80bca5abbc4f366f6df5ddfd5f07e424ce53d944f0cd1ee","constraints":{"executionContext":"node"},"contract":["defineConfig returns the exact object reference passed to it for static configuration objects","defineConfig returns synchronous configuration factory functions with ConfigEnv parameters","defineConfig preserves asynchronous configuration factory functions returning Promises","defineConfig preserves direct Promise instances for asynchronously resolved configurations","defineConfig static configurations are valid UserConfig objects that resolveConfig normalizes","defineConfig is exported as a named function from vite"],"goal":"verify vite.defineConfig in pkg:npm/vite@5.4.21","kind":"HOW","packages":["pkg:npm/vite@5.4.21"],"schemaVersion":1,"symbols":["vite.defineConfig"]},"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","symbols":["vite.defineConfig"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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package.json
{
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  "version": "1.0.0",
  "type": "module",
  "private": true,
  "dependencies": {
    "vite": "5.4.21"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify vite.defineConfig in pkg:npm/vite@5.4.21",
  "kind": "HOW",
  "packages": [
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  "symbols": [
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  "constraints": {
    "executionContext": "node"
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  "runtimeConditions": {
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    "language": "javascript",
    "moduleSystem": "cjs",
    "packageManager": "npm@10.9.8",
    "runtime": "node@22.23.2"
  }
}
test/contract.mjs
import assert from 'node:assert/strict';
import { defineConfig, resolveConfig } from 'vite';

async function testContract() {
  // 1. defineConfig returns the exact object reference passed to it for static configuration objects
  const staticConfig = {
    root: './src',
    base: '/app/',
    build: {
      outDir: 'dist',
      sourcemap: true
    },
    define: {
      __APP_VERSION__: JSON.stringify('1.0.0')
    }
  };
  const definedObject = defineConfig(staticConfig);
  assert.equal(definedObject, staticConfig);
  assert.equal(definedObject.root, './src');
  assert.equal(definedObject.base, '/app/');
  assert.equal(definedObject.build.outDir, 'dist');
  assert.equal(definedObject.build.sourcemap, true);
  assert.equal(definedObject.define.__APP_VERSION__, '"1.0.0"');

  // 2. defineConfig returns synchronous configuration factory functions with ConfigEnv parameters
  const syncFactory = (env) => ({
    mode: env.mode,
    command: env.command,
    base: env.mode === 'production' ? '/static/' : '/',
    ssr: Boolean(env.ssrBuild)
  });
  const definedSyncFn = defineConfig(syncFactory);
  assert.equal(typeof definedSyncFn, 'function');
  assert.equal(definedSyncFn, syncFactory);

  const devConfig = definedSyncFn({ command: 'serve', mode: 'development', ssrBuild: false });
  assert.equal(devConfig.command, 'serve');
  assert.equal(devConfig.mode, 'development');
  assert.equal(devConfig.base, '/');
  assert.equal(devConfig.ssr, false);

  const prodConfig = definedSyncFn({ command: 'build', mode: 'production', ssrBuild: true });
  assert.equal(prodConfig.command, 'build');
  assert.equal(prodConfig.mode, 'production');
  assert.equal(prodConfig.base, '/static/');
  assert.equal(prodConfig.ssr, true);

  // 3. defineConfig preserves asynchronous configuration factory functions returning Promises
  const asyncFactory = async (env) => {
    return {
      mode: env.mode,
      server: {
        port: env.mode === 'test' ? 8080 : 3000
      },
      define: {
        __SSR_ENABLED__: Boolean(env.ssrBuild)
      }
    };
  };
  const definedAsyncFn = defineConfig(asyncFactory);
  assert.equal(typeof definedAsyncFn, 'function');
  assert.equal(definedAsyncFn, asyncFactory);

  const asyncDev = await definedAsyncFn({ command: 'serve', mode: 'test', ssrBuild: false });
  assert.equal(asyncDev.mode, 'test');
  assert.equal(asyncDev.server.port, 8080);
  assert.equal(asyncDev.define.__SSR_ENABLED__, false);

  // 4. defineConfig preserves direct Promise instances for asynchronously resolved configurations
  const directPromise = Promise.resolve({
    publicDir: 'public',
    build: {
      minify: 'esbuild',
      target: 'es2022'
    }
  });
  const definedPromise = defineConfig(directPromise);
  assert.ok(definedPromise instanceof Promise);
  assert.equal(definedPromise, directPromise);

  const resolvedPromiseConfig = await definedPromise;
  assert.equal(resolvedPromiseConfig.publicDir, 'public');
  assert.equal(resolvedPromiseConfig.build.minify, 'esbuild');
  assert.equal(resolvedPromiseConfig.build.target, 'es2022');

  // 5. defineConfig static configurations are valid UserConfig objects that resolveConfig normalizes
  const userConfig = defineConfig({
    configFile: false,
    root: process.cwd(),
    base: '/custom-app/',
    define: {
      __FEATURE_ACTIVE__: true
    }
  });
  const resolved = await resolveConfig(userConfig, 'build', 'production');
  assert.equal(resolved.base, '/custom-app/');
  assert.equal(resolved.command, 'build');
  assert.equal(resolved.mode, 'production');
  assert.equal(resolved.define.__FEATURE_ACTIVE__, true);
  assert.ok(Array.isArray(resolved.plugins));

  // 6. defineConfig is exported as a named function from vite
  assert.equal(typeof defineConfig, 'function');
  assert.equal(defineConfig.name, 'defineConfig');
}

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

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