CodeSampleX

Exemple

@babel/plugin-transform-dotall-regex 7.29.7

Échantillon vérifié pour npm @babel/plugin-transform-dotall-regex 7.29.7. Le contrat s'est exécuté sur node 22 · linux alpine/x64 · docker et a réussi.

sha256:5c3f9c4a6cf97d5dba0451bf2e82fa8bc6bef72f0f3a20521d9b6d83ae2703a8

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 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

Cas

HOW
Objectif
verify pkg:npm/%40babel/plugin-transform-dotall-regex@7.29.7
Paquets
Créé
2026-08-21T06:52:28Z

Contrat

  1. plugin factory initializes a Babel plugin with name transform-dotall-regex and RegExpLiteral visitor
  2. transformRegexLiteral converts dotAll regex pattern with s flag to character class matching newlines and removes s flag
  3. transformRegexLiteral preserves regex flags such as g, i, and m while removing s flag
  4. transformRegexLiteral leaves regex patterns without s flag untouched
  5. transformRegexLiteral preserves literal dots in character classes
  6. compileTransformedRegex produces an executable RegExp that matches multiline strings across newline characters

Fichiers

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • 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/%40babel/plugin-transform-dotall-regex@7.29.7
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40babel/plugin-transform-dotall-regex@7.29.7

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
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package-lock.json
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package.json
{
  "name": "babel-plugin-transform-dotall-regex-sample",
  "version": "1.0.0",
  "description": "Transform regular expressions using the dotAll (s) flag to ES5-compatible patterns",
  "type": "module",
  "main": "src/index.mjs",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "@babel/plugin-transform-dotall-regex": "7.29.7"
  },
  "license": "MIT-0"
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40babel/plugin-transform-dotall-regex@7.29.7",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40babel/plugin-transform-dotall-regex@7.29.7"
  ]
}
src/index.mjs
import dotallPluginModule from "@babel/plugin-transform-dotall-regex";

const pluginFactory = dotallPluginModule.default || dotallPluginModule;

/**
 * Instantiates the transform-dotall-regex plugin with the given API and options.
 *
 * @param {object} [api={}] - Babel plugin API object.
 * @param {object} [options={}] - Plugin options.
 * @returns {object} Babel plugin instance.
 */
export function createDotallPlugin(api = {}, options = {}) {
  const defaultApi = {
    assertVersion: (range) => Boolean(range),
    ...api,
  };
  return pluginFactory(defaultApi, options);
}

/**
 * Transforms a regular expression pattern and flags using the dotall plugin visitor.
 *
 * @param {string} pattern - Regular expression pattern string.
 * @param {string} [flags=""] - Regular expression flags string.
 * @returns {{ pattern: string, flags: string }} Transformed pattern and flags.
 */
export function transformRegexLiteral(pattern, flags = "") {
  const plugin = createDotallPlugin();
  const fileState = new Map();
  const fileMock = {
    get: (k) => fileState.get(k),
    set: (k, v) => fileState.set(k, v),
    opts: {},
  };
  const state = {
    file: fileMock,
    addHelper: (name) => name,
  };

  if (typeof plugin.pre === "function") {
    plugin.pre.call(state, fileMock);
  }

  const node = { pattern, flags };
  const path = {
    node,
    replaceWith: () => {},
  };

  if (plugin.visitor && typeof plugin.visitor.RegExpLiteral === "function") {
    plugin.visitor.RegExpLiteral.call(state, path);
  }

  return {
    pattern: node.pattern,
    flags: node.flags,
  };
}

/**
 * Compiles a regular expression with dotAll transformation into an executable RegExp instance.
 *
 * @param {string} pattern - Regular expression pattern string.
 * @param {string} [flags=""] - Regular expression flags string.
 * @returns {RegExp} Compiled RegExp object.
 */
export function compileTransformedRegex(pattern, flags = "") {
  const { pattern: transformedPattern, flags: transformedFlags } = transformRegexLiteral(
    pattern,
    flags
  );
  return new RegExp(transformedPattern, transformedFlags);
}

/**
 * Checks if the plugin instance complies with the transform-dotall-regex specification.
 *
 * @param {object} plugin - Plugin instance.
 * @returns {boolean} True if plugin is valid transform-dotall-regex plugin.
 */
export function isDotallPlugin(plugin) {
  return (
    typeof plugin === "object" &&
    plugin !== null &&
    plugin.name === "transform-dotall-regex" &&
    typeof plugin.visitor?.RegExpLiteral === "function"
  );
}

export { pluginFactory as dotallPlugin };
test/contract.mjs
import assert from "node:assert/strict";
import {
  createDotallPlugin,
  transformRegexLiteral,
  compileTransformedRegex,
  isDotallPlugin,
  dotallPlugin,
} from "../src/index.mjs";

// Contract 1: plugin factory initializes a Babel plugin with name transform-dotall-regex and RegExpLiteral visitor
{
  assert.strictEqual(typeof dotallPlugin, "function", "Plugin export must be a function");

  let assertVersionCalledWith = null;
  const mockApi = {
    assertVersion: (range) => {
      assertVersionCalledWith = range;
    },
  };
  const plugin = createDotallPlugin(mockApi);

  assert.ok(isDotallPlugin(plugin), "Plugin must match transform-dotall-regex structure");
  assert.strictEqual(plugin.name, "transform-dotall-regex");
  assert.strictEqual(typeof plugin.visitor.RegExpLiteral, "function");
  assert.strictEqual(typeof plugin.pre, "function");
  assert.ok(assertVersionCalledWith.includes("7.0.0"), "assertVersion must check Babel 7/8 compatibility");
}

// Contract 2: transformRegexLiteral converts dotAll regex pattern with s flag to character class matching newlines and removes s flag
{
  const result = transformRegexLiteral("hello.world", "s");
  assert.strictEqual(result.pattern, "hello[^]world", "Dot in regex with s flag should be transformed to [^]");
  assert.strictEqual(result.flags, "", "The s flag must be stripped from flags");
}

// Contract 3: transformRegexLiteral preserves regex flags such as g, i, and m while removing s flag
{
  const result = transformRegexLiteral("^header.*body$", "gims");
  assert.strictEqual(result.pattern, "^header[^]*body$");
  assert.strictEqual(result.flags, "gim", "Flags g, i, m must be preserved while s is removed");
  assert.ok(!result.flags.includes("s"), "Transformed flags must not contain s");
}

// Contract 4: transformRegexLiteral leaves regex patterns without s flag untouched
{
  const result = transformRegexLiteral("foo.bar", "gi");
  assert.strictEqual(result.pattern, "foo.bar", "Pattern without s flag must remain unchanged");
  assert.strictEqual(result.flags, "gi", "Flags without s flag must remain unchanged");
}

// Contract 5: transformRegexLiteral preserves literal dots in character classes
{
  const result = transformRegexLiteral("file[.]ext", "s");
  assert.strictEqual(result.pattern, "file[.]ext", "Dot inside character class [.] must remain literal dot");
  assert.strictEqual(result.flags, "", "s flag must be removed");
}

// Contract 6: compileTransformedRegex produces an executable RegExp that matches multiline strings across newline characters
{
  const re = compileTransformedRegex("^start.*end$", "s");
  assert.ok(re instanceof RegExp, "Must return a RegExp instance");
  assert.ok(!re.flags.includes("s"), "Compiled RegExp must not have s flag");

  const multilineInput = "start\nline1\r\nline2\nend";
  assert.strictEqual(re.test(multilineInput), true, "Transformed regex must match across newlines");

  const noMatchInput = "start\nline1\r\nline2\nother";
  assert.strictEqual(re.test(noMatchInput), false, "Regex must still respect matching semantics");
}

console.log("All pkg:npm/%40babel/plugin-transform-dotall-regex@7.29.7 contracts passed successfully.");

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