CodeSampleX

Sample

vite 5.4.14

Verified sample for npm vite 5.4.14. The contract ran on node 22 · linux debian/x64 · docker and passed: mergeConfig deeply merges nested configuration…

sha256:f0deb1c83292c84fca9637f880e6e7723028037a923a770b328d5d407e11205f

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Verification-run environments

Environment Contract Stages Run
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

Case

HOW
Goal
verify pkg:npm/vite@5.4.14
Packages
Environment
node 22.23.2
Created
2026-09-07T01:57:47Z

Contract

  1. mergeConfig deeply merges nested configuration objects while later primitive options override earlier ones
  2. mergeConfig concatenates array options such as resolve conditions and assetsInclude
  3. mergeConfig merges object-format resolve alias entries while preserving non-conflicting keys
  4. mergeConfig prepends override entries to array-format resolve alias collections preserving evaluation order
  5. mergeConfig combines plugin arrays from both configurations into a single collection
  6. mergeConfig produces a new configuration object without mutating the input configurations
  7. mergeConfig is exported as a named function from vite

Files

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

Download the source artifact (tar.gz)

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/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:sha256:3a4a77e4296eef7c723ba2e19fd52fb6609373e52d78e543f6e56e4a7edac678","constraints":{"executionContext":"node"},"contract":["mergeConfig deeply merges nested configuration objects while later primitive options override earlier ones","mergeConfig concatenates array options such as resolve conditions and assetsInclude","mergeConfig merges object-format resolve alias entries while preserving non-conflicting keys","mergeConfig prepends override entries to array-format resolve alias collections preserving evaluation order","mergeConfig combines plugin arrays from both configurations into a single collection","mergeConfig produces a new configuration object without mutating the input configurations","mergeConfig is exported as a named function from vite"],"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,
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      "name": "sample-vite",
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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 { mergeConfig } from 'vite';

async function testContract() {
  // 1. mergeConfig deeply merges nested configuration objects while later primitive options override earlier ones
  const config1 = {
    root: './src',
    base: '/app/',
    build: {
      target: 'es2020',
      sourcemap: false,
      outDir: 'dist'
    },
    define: {
      __DEV__: true,
      __VERSION__: '"1.0.0"'
    }
  };
  const config2 = {
    base: '/custom/',
    build: {
      sourcemap: true,
      minify: 'esbuild'
    },
    define: {
      __VERSION__: '"1.0.1"',
      __PROD__: false
    }
  };
  const merged = mergeConfig(config1, config2);
  assert.equal(merged.root, './src');
  assert.equal(merged.base, '/custom/');
  assert.equal(merged.build.target, 'es2020');
  assert.equal(merged.build.outDir, 'dist');
  assert.equal(merged.build.sourcemap, true);
  assert.equal(merged.build.minify, 'esbuild');
  assert.deepEqual(merged.define, {
    __DEV__: true,
    __VERSION__: '"1.0.1"',
    __PROD__: false
  });

  // 2. mergeConfig concatenates array options such as resolve conditions and assetsInclude
  const arrayConfig1 = {
    assetsInclude: ['**/*.gltf'],
    resolve: {
      conditions: ['browser']
    }
  };
  const arrayConfig2 = {
    assetsInclude: ['**/*.glb'],
    resolve: {
      conditions: ['production']
    }
  };
  const mergedArrays = mergeConfig(arrayConfig1, arrayConfig2);
  assert.deepEqual(mergedArrays.assetsInclude, ['**/*.gltf', '**/*.glb']);
  assert.deepEqual(mergedArrays.resolve.conditions, ['browser', 'production']);

  // 3. mergeConfig merges object-format resolve alias entries while preserving non-conflicting keys
  const aliasObj1 = {
    resolve: {
      alias: {
        '@': '/src',
        components: '/src/components'
      }
    }
  };
  const aliasObj2 = {
    resolve: {
      alias: {
        utils: '/src/utils',
        components: '/custom/components'
      }
    }
  };
  const mergedAliasObj = mergeConfig(aliasObj1, aliasObj2);
  assert.deepEqual(mergedAliasObj.resolve.alias, {
    '@': '/src',
    utils: '/src/utils',
    components: '/custom/components'
  });

  // 4. mergeConfig prepends override entries to array-format resolve alias collections preserving evaluation order
  const aliasArr1 = {
    resolve: {
      alias: [
        { find: '@', replacement: '/src' },
        { find: 'utils', replacement: '/src/utils' }
      ]
    }
  };
  const aliasArr2 = {
    resolve: {
      alias: [
        { find: 'utils', replacement: '/override/utils' },
        { find: 'helpers', replacement: '/src/helpers' }
      ]
    }
  };
  const mergedAliasArr = mergeConfig(aliasArr1, aliasArr2);
  assert.deepEqual(mergedAliasArr.resolve.alias, [
    { find: 'utils', replacement: '/override/utils' },
    { find: 'helpers', replacement: '/src/helpers' },
    { find: '@', replacement: '/src' },
    { find: 'utils', replacement: '/src/utils' }
  ]);

  // 5. mergeConfig combines plugin arrays from both configurations into a single collection
  const pluginA = { name: 'plugin-a' };
  const pluginB = { name: 'plugin-b' };
  const pluginC = { name: 'plugin-c' };
  const pluginConfig1 = { plugins: [pluginA, [pluginB]] };
  const pluginConfig2 = { plugins: [pluginC] };
  const mergedPlugins = mergeConfig(pluginConfig1, pluginConfig2);
  assert.deepEqual(mergedPlugins.plugins, [pluginA, [pluginB], pluginC]);

  // 6. mergeConfig produces a new configuration object without mutating the input configurations
  const originalA = { server: { port: 3000 } };
  const originalB = { server: { host: 'localhost' } };
  const mergedServer = mergeConfig(originalA, originalB);
  assert.notEqual(mergedServer, originalA);
  assert.notEqual(mergedServer, originalB);
  assert.notEqual(mergedServer.server, originalA.server);
  assert.equal(originalA.server.host, undefined);
  assert.equal(originalB.server.port, undefined);
  assert.equal(mergedServer.server.port, 3000);
  assert.equal(mergedServer.server.host, 'localhost');

  // 7. mergeConfig is exported as a named function from vite
  assert.equal(typeof mergeConfig, 'function');
  assert.equal(mergeConfig.name, 'mergeConfig');
}

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

Origin Seeder

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