CodeSampleX

Exemple

esbuild 0.21.5

Échantillon vérifié pour npm esbuild 0.21.5. Le contrat s'est exécuté sur node 22 · linux alpine/x64 · docker et a réussi : esbuild.buildSync bundles…

sha256:41fba5ca3991c524197fa21469ad3823c7a6bec34f60f168fb90e7df374901c0

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
2
Clés de signature qui l’ont compilé
1
Environnement déclaré linux 24 · ubuntu · glibc 2.39 x64 npm

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@1		 2026-08-21
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…		 2026-09-13

Cas

HOW
Objectif
verify pkg:npm/esbuild@0.21.5
Paquets
Créé
2026-08-21T12:41:32Z

Contrat

  1. esbuild.buildSync bundles TypeScript source code into CommonJS JavaScript in memory
  2. esbuild.transformSync transpiles TypeScript code and JSX syntax to plain JavaScript with minification
  3. esbuild.formatMessagesSync formats diagnostic error messages with file location and source line context
  4. esbuild.analyzeMetafileSync computes formatted bundle breakdown from build metafile

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 pkg:npm/esbuild@0.21.5
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/esbuild@0.21.5

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:sha256:67a80d911c90beec2b792f97a9663d6f9c6c31d053d3a7004f3af5abe17c3ddd","contract":["esbuild.buildSync bundles TypeScript source code into CommonJS JavaScript in memory","esbuild.transformSync transpiles TypeScript code and JSX syntax to plain JavaScript with minification","esbuild.formatMessagesSync formats diagnostic error messages with file location and source line context","esbuild.analyzeMetafileSync computes formatted bundle breakdown from build metafile"],"goal":"verify pkg:npm/esbuild@0.21.5","kind":"HOW","packages":["pkg:npm/esbuild@0.21.5"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/esbuild@0.21.5"],"schemaVersion":1,"subject":"pkg:npm/esbuild@0.21.5","verifierAdapter":"node-typescript@1"}
package-lock.json
{
  "name": "sample-esbuild",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample-esbuild",
      "version": "1.0.0",
      "license": "MIT-0",
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    },
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      "optional": true,
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      "engines": {
        "node": ">=12"
      }
    },
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      "optional": true,
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      "engines": {
        "node": ">=12"
      }
    },
    "node_modules/@esbuild/win32-ia32": {
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    },
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      "license": "MIT",
      "optional": true,
      "os": [
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      "engines": {
        "node": ">=12"
      }
    },
    "node_modules/esbuild": {
      "version": "0.21.5",
      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.21.5.tgz",
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      "hasInstallScript": true,
      "license": "MIT",
      "bin": {
        "esbuild": "bin/esbuild"
      },
      "engines": {
        "node": ">=12"
      },
      "optionalDependencies": {
        "@esbuild/aix-ppc64": "0.21.5",
        "@esbuild/android-arm": "0.21.5",
        "@esbuild/android-arm64": "0.21.5",
        "@esbuild/android-x64": "0.21.5",
        "@esbuild/darwin-arm64": "0.21.5",
        "@esbuild/darwin-x64": "0.21.5",
        "@esbuild/freebsd-arm64": "0.21.5",
        "@esbuild/freebsd-x64": "0.21.5",
        "@esbuild/linux-arm": "0.21.5",
        "@esbuild/linux-arm64": "0.21.5",
        "@esbuild/linux-ia32": "0.21.5",
        "@esbuild/linux-loong64": "0.21.5",
        "@esbuild/linux-mips64el": "0.21.5",
        "@esbuild/linux-ppc64": "0.21.5",
        "@esbuild/linux-riscv64": "0.21.5",
        "@esbuild/linux-s390x": "0.21.5",
        "@esbuild/linux-x64": "0.21.5",
        "@esbuild/netbsd-x64": "0.21.5",
        "@esbuild/openbsd-x64": "0.21.5",
        "@esbuild/sunos-x64": "0.21.5",
        "@esbuild/win32-arm64": "0.21.5",
        "@esbuild/win32-ia32": "0.21.5",
        "@esbuild/win32-x64": "0.21.5"
      }
    }
  }
}
package.json
{
  "name": "sample-esbuild",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "license": "MIT-0",
  "dependencies": {
    "esbuild": "0.21.5"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/esbuild@0.21.5",
  "kind": "HOW",
  "packages": [
    "pkg:npm/esbuild@0.21.5"
  ]
}
test/contract.mjs
import * as esbuild from 'esbuild';
import assert from 'node:assert';

// 1. esbuild.buildSync bundles TypeScript source code into CommonJS JavaScript in memory
const buildResult = esbuild.buildSync({
  stdin: {
    contents: 'const val: number = 42; module.exports = { val };',
    resolveDir: process.cwd(),
    loader: 'ts',
  },
  bundle: true,
  write: false,
  format: 'cjs',
  metafile: true,
});
assert.strictEqual(buildResult.errors.length, 0);
assert.strictEqual(buildResult.outputFiles.length, 1);
const bundledText = Buffer.from(buildResult.outputFiles[0].contents).toString('utf-8');
assert.ok(bundledText.includes('42'));
assert.ok(!bundledText.includes(': number'));

// 2. esbuild.transformSync transpiles TypeScript code and JSX syntax to plain JavaScript with minification
const transformResult = esbuild.transformSync('const App = () => <div><h1>Hello</h1></div>;', {
  loader: 'jsx',
  minify: true,
});
assert.strictEqual(transformResult.warnings.length, 0);
assert.ok(typeof transformResult.code === 'string');
assert.ok(transformResult.code.length > 0);
assert.ok(transformResult.code.includes('React.createElement'));

// 3. esbuild.formatMessagesSync formats diagnostic error messages with file location and source line context
const formatted = esbuild.formatMessagesSync([
  {
    text: 'Type mismatch error',
    location: {
      file: 'src/index.ts',
      line: 10,
      column: 4,
      length: 5,
      lineText: 'let a: string = 123;',
    },
  },
], {
  kind: 'error',
  color: false,
});
assert.strictEqual(formatted.length, 1);
assert.ok(formatted[0].includes('src/index.ts:10:4'));
assert.ok(formatted[0].includes('Type mismatch error'));

// 4. esbuild.analyzeMetafileSync computes formatted bundle breakdown from build metafile
assert.ok(buildResult.metafile);
const analysis = esbuild.analyzeMetafileSync(buildResult.metafile);
assert.ok(typeof analysis === 'string');
assert.ok(analysis.length > 0);

console.log('All contract assertions passed successfully.');

Seeder d'origine

anonyme