CodeSampleX

Ejemplo

@babel/core 7.22.5: loadPartialConfigAsync

Muestra verificada para npm @babel/core 7.22.5: loadPartialConfigAsync. El contrato se ejecutó en node 22 · linux debian/x64 · docker y pasó.

sha256:9c26e2e1dfdaae584841ae17a7054935d8f59b57fe8852380e2038a5098e11ec

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 linux 24 · ubuntu · glibc 2.39 x64 npm

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…		 2026-09-04

Caso

HOW
Objetivo
verify @babel/core.loadPartialConfigAsync in pkg:npm/%40babel/core@7.22.5
Paquetes
Símbolos
  • @babel/core.loadPartialConfigAsync
Creado
2026-09-04T13:48:03Z

Contrato

  1. loadPartialConfigAsync returns a Promise resolving to a PartialConfig object containing options and fileHandling
  2. loadPartialConfigAsync merges provided inline configuration options such as sourceMaps and minified
  3. loadPartialConfigAsync resolves to null when the target file matches an ignore pattern
  4. loadPartialConfigAsync rejects with an Error when invalid or unknown options are provided
  5. loadPartialConfigAsync normalizes plugin declarations into ConfigItem objects within options.plugins

Archivos

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • 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 @babel/core.loadPartialConfigAsync in pkg:npm/%40babel/core@7.22.5
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/core@7.22.5
Demonstrate these symbols/APIs:
  - @babel/core.loadPartialConfigAsync

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:edb089f33ad10568e308d0c16bcba5f19901d90954d83d55e5fe845623c8411e","contract":["loadPartialConfigAsync returns a Promise resolving to a PartialConfig object containing options and fileHandling","loadPartialConfigAsync merges provided inline configuration options such as sourceMaps and minified","loadPartialConfigAsync resolves to null when the target file matches an ignore pattern","loadPartialConfigAsync rejects with an Error when invalid or unknown options are provided","loadPartialConfigAsync normalizes plugin declarations into ConfigItem objects within options.plugins"],"goal":"verify @babel/core.loadPartialConfigAsync in pkg:npm/%40babel/core@7.22.5","kind":"HOW","packages":["pkg:npm/%40babel/core@7.22.5"],"schemaVersion":1,"symbols":["@babel/core.loadPartialConfigAsync"]},"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/%40babel/core@7.22.5"],"schemaVersion":1,"subject":"pkg:npm/%40babel/core@7.22.5","symbols":["@babel/core.loadPartialConfigAsync"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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  "name": "sample-babel-core-load-partial-config-async",
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  "lockfileVersion": 3,
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      "name": "sample-babel-core-load-partial-config-async",
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package.json
{
  "name": "sample-babel-core-load-partial-config-async",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "@babel/core": "7.22.5"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @babel/core.loadPartialConfigAsync in pkg:npm/%40babel/core@7.22.5",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/core@7.22.5"
  ],
  "symbols": [
    "@babel/core.loadPartialConfigAsync"
  ]
}
src/index.mjs
import { loadPartialConfigAsync } from "@babel/core";

export async function loadConfigAsync(options = {}) {
  return await loadPartialConfigAsync(options);
}

export async function isConfigIgnored(options = {}) {
  const config = await loadPartialConfigAsync(options);
  return config === null;
}

export async function getResolvedOptions(options = {}) {
  const config = await loadPartialConfigAsync(options);
  return config ? config.options : null;
}
test/contract.mjs
import assert from "node:assert/strict";
import { loadPartialConfigAsync } from "@babel/core";
import {
  loadConfigAsync,
  isConfigIgnored,
  getResolvedOptions
} from "../src/index.mjs";

// Test 1: loadPartialConfigAsync returns a Promise resolving to a PartialConfig object containing options and fileHandling
{
  const configPromise = loadPartialConfigAsync({
    configFile: false,
    babelrc: false
  });
  assert.ok(configPromise instanceof Promise);

  const config = await configPromise;
  assert.ok(config);
  assert.equal(typeof config, "object");
  assert.equal(typeof config.hasFilesystemConfig, "function");
  assert.equal(config.hasFilesystemConfig(), false);
  assert.equal(config.fileHandling, "transpile");
  assert.ok(config.options);
  assert.equal(typeof config.options, "object");
  assert.equal(config.options.configFile, false);
  assert.equal(config.options.babelrc, false);

  const helperResult = await loadConfigAsync({
    configFile: false,
    babelrc: false
  });
  assert.ok(helperResult);
  assert.equal(helperResult.fileHandling, "transpile");
}

// Test 2: loadPartialConfigAsync merges provided inline configuration options such as sourceMaps and minified
{
  const config = await loadPartialConfigAsync({
    configFile: false,
    babelrc: false,
    sourceMaps: true,
    minified: true,
    comments: false
  });
  assert.ok(config);
  assert.equal(config.options.sourceMaps, true);
  assert.equal(config.options.minified, true);
  assert.equal(config.options.comments, false);

  const resolvedOpts = await getResolvedOptions({
    configFile: false,
    babelrc: false,
    sourceMaps: "inline"
  });
  assert.equal(resolvedOpts.sourceMaps, "inline");
}

// Test 3: loadPartialConfigAsync resolves to null when the target file matches an ignore pattern
{
  const result = await loadPartialConfigAsync({
    configFile: false,
    babelrc: false,
    filename: "ignored-module.js",
    ignore: ["ignored-module.js"]
  });
  assert.equal(result, null);

  const isIgnored = await isConfigIgnored({
    configFile: false,
    babelrc: false,
    filename: "ignored-module.js",
    ignore: ["ignored-module.js"]
  });
  assert.equal(isIgnored, true);

  const isNotIgnored = await isConfigIgnored({
    configFile: false,
    babelrc: false,
    filename: "active-module.js",
    ignore: ["ignored-module.js"]
  });
  assert.equal(isNotIgnored, false);
}

// Test 4: loadPartialConfigAsync rejects with an Error when invalid or unknown options are provided
{
  await assert.rejects(
    async () => {
      await loadPartialConfigAsync({
        nonExistentBabelOption: true
      });
    },
    {
      name: "Error",
      message: /Unknown option: \.nonExistentBabelOption/
    }
  );

  await assert.rejects(
    async () => {
      await loadConfigAsync({
        anotherInvalidOption: 123
      });
    },
    {
      name: "Error",
      message: /Unknown option: \.anotherInvalidOption/
    }
  );
}

// Test 5: loadPartialConfigAsync normalizes plugin declarations into ConfigItem objects within options.plugins
{
  const dummyPlugin = () => ({ visitor: {} });
  const config = await loadPartialConfigAsync({
    configFile: false,
    babelrc: false,
    plugins: [dummyPlugin]
  });
  assert.ok(config);
  assert.ok(Array.isArray(config.options.plugins));
  assert.equal(config.options.plugins.length, 1);

  const pluginItem = config.options.plugins[0];
  assert.ok(pluginItem);
  assert.equal(pluginItem.value, dummyPlugin);
}

console.log("All @babel/core.loadPartialConfigAsync contract tests passed successfully.");

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