Enforce node protocol import (#17207)

* enable prefer-node-protocol rule

* prefer node protocol import

* fix broken scripts

* fix e2e-old-babel error

* strip node: protocol for old node versions

* update Makefile.mjs

Gulpfile.mjs

@@ -1,10 +1,10 @@
-import path from "path";
-import fs from "fs";
-import { cpus } from "os";
-import { createRequire } from "module";
-import { fileURLToPath } from "url";
-import { Transform as TransformStream } from "stream";
-import { callbackify } from "util";
+import path from "node:path";
+import fs from "node:fs";
+import { cpus } from "node:os";
+import { createRequire } from "node:module";
+import { fileURLToPath } from "node:url";
+import { Transform as TransformStream } from "node:stream";
+import { callbackify } from "node:util";
 import colors from "picocolors";
 import gulp from "gulp";
 import { rollup } from "rollup";

Makefile.source.mjs

@@ -1,12 +1,12 @@
 import "shelljs/make.js";
-import path from "path";
+import path from "node:path";
 import {
   readFileSync,
   writeFileSync,
   readdirSync,
   existsSync,
   mkdirSync,
-} from "fs";
+} from "node:fs";
 import semver from "semver";
 import { execaSync } from "execa";
 

babel-worker.cjs

@@ -1,6 +1,6 @@
 const { transformAsync } = require("@babel/core");
-const { mkdirSync, statSync, readFileSync, writeFileSync } = require("fs");
-const path = require("path");
+const { mkdirSync, statSync, readFileSync, writeFileSync } = require("node:fs");
+const path = require("node:path");
 const { log } = require("./scripts/utils/logger.cjs");
 const colors = require("picocolors");
 

babel.config.js

@@ -1,3 +1,5 @@
+// NOTE: This file must be runnable on all Node.js version
+/* eslint-disable unicorn/prefer-node-protocol */
 "use strict";
 
 let jestSnapshot = false;
@@ -191,6 +193,7 @@ module.exports = function (api) {
         : null,
 
       require("./scripts/babel-plugin-bit-decorator/plugin.cjs"),
+      require("./scripts/babel-plugin-transform-node-protocol-import/plugin.cjs"),
     ].filter(Boolean),
     overrides: [
       {

benchmark/babel-core/real-case-preset-env-flow-ast/babel-parser-expression.mjs

@@ -3,7 +3,7 @@ import baseline from "@babel-baseline/core";
 import current from "@babel/core";
 import parser from "@babel-baseline/parser";
 import { report } from "../../util.mjs";
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 
 const suite = new Benchmark.Suite();
 const fixtureName = "babel-parser-expression.txt";

benchmark/babel-core/real-case-preset-env-typescript/babel-parser-tokenizer-index.mjs

@@ -1,5 +1,5 @@
 import Benchmark from "benchmark";
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 import {
   report,
   currentCore,

benchmark/babel-core/real-case-ts-cjs/bench.mjs

@@ -1,4 +1,4 @@
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 import {
   currentCore,
   baselineCore,

benchmark/babel-generator/real-case/jquery.mjs

@@ -3,7 +3,7 @@ import baseline from "@babel-baseline/generator";
 import current from "@babel/generator";
 import parser from "@babel/parser";
 import { report } from "../../util.mjs";
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 
 const suite = new Benchmark.Suite();
 

benchmark/babel-parser/real-case-ts/bench.mjs

@@ -1,4 +1,4 @@
-import { copyFileSync, readFileSync, rmSync } from "fs";
+import { copyFileSync, readFileSync, rmSync } from "node:fs";
 // eslint-disable-next-line import/no-extraneous-dependencies
 import { commonJS } from "$repo-utils";
 import { Benchmark } from "../../util.mjs";

benchmark/babel-parser/real-case/bench.mjs

@@ -2,7 +2,7 @@ import Benchmark from "benchmark";
 import baseline from "@babel-baseline/parser";
 import current from "@babel/parser";
 import { report } from "../../util.mjs";
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 
 const suite = new Benchmark.Suite();
 

benchmark/update-baselines.mjs

@@ -1,6 +1,6 @@
-import path from "path";
-import { readFileSync, writeFileSync } from "fs";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { readFileSync, writeFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);

eslint.config.mjs

@@ -121,6 +121,7 @@ export default [
       "unicorn/prefer-array-find": "error",
       "unicorn/prefer-array-index-of": "error",
       "unicorn/prefer-includes": "error",
+      "unicorn/prefer-node-protocol": "error",
       "unicorn/prefer-string-starts-ends-with": "error",
     },
   },
@@ -306,7 +307,7 @@ export default [
     rules: {
       "n/no-unsupported-features/node-builtins": [
         "error",
-        { version: "12.17.0", ignores: ["module"] },
+        { version: "20.19.0", ignores: ["module"] },
       ],
       "@babel/development-internal/require-default-import-fallback": "error",
       "import/no-unresolved": "error",

eslint/babel-eslint-parser/src/client.cts

@@ -54,7 +54,7 @@ export class Client {
 export class WorkerClient extends Client {
   static #worker_threads_cache: typeof import("worker_threads");
   static get #worker_threads() {
-    return (WorkerClient.#worker_threads_cache ??= require("worker_threads"));
+    return (WorkerClient.#worker_threads_cache ??= require("node:worker_threads"));
   }
 
   #worker = new WorkerClient.#worker_threads.Worker(

eslint/babel-eslint-parser/test/index.js

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 import escope from "eslint-scope";
 import unpad from "dedent";
 import { parseForESLint as parseForESLintOriginal } from "../lib/index.cjs";

eslint/babel-eslint-tests/test/helpers/verifyAndAssertMessages.js

@@ -1,7 +1,7 @@
 import { Linter, ESLint } from "eslint";
 import unpad from "dedent";
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import {
   eslintConfigCompat,
   babelESLintParserPath,

eslint/babel-eslint-tests/test/integration/config-files.js

@@ -1,5 +1,5 @@
 import { ESLint } from "eslint";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 describe("Babel config files", () => {
   it("works with babel.config.mjs - ESLint " + ESLint.version, async () => {

eslint/babel-eslint-tests/test/integration/duplicated-babel-parser.js

@@ -1,5 +1,5 @@
 import { ESLint } from "eslint";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 describe("https://github.com/babel/babel/issues/12985", () => {
   it(

eslint/babel-eslint-tests/test/integration/eslint-plugin-import.js

@@ -1,5 +1,5 @@
 import { ESLint } from "eslint";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 describe("https://github.com/babel/babel-eslint/issues/558", () => {
   it(

eslint/babel-eslint-tests/test/integration/eslint/rules/strict.js

@@ -1,8 +1,8 @@
 import { Linter, ESLint } from "eslint";
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import * as parser from "../../../../../babel-eslint-parser/lib/index.cjs";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 import {
   babelESLintParserPath,
   eslintConfigCompat,

eslint/babel-eslint-tests/test/integration/eslint/verify.js

@@ -1,6 +1,6 @@
 import verifyAndAssertMessages from "../../helpers/verifyAndAssertMessages.js";
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 
 function verifyDecoratorsLegacyAndAssertMessages(
   code,

eslint/babel-eslint-tests/test/integration/parser-override.js

@@ -1,6 +1,6 @@
-import path from "path";
-import { fileURLToPath } from "url";
-import { createRequire } from "module";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { createRequire } from "node:module";
 import * as babelESLint from "@babel/eslint-parser";
 import { itGte } from "$repo-utils";
 

packages/babel-cli/src/babel/dir.ts

@@ -1,6 +1,6 @@
 import slash from "slash";
-import path from "path";
-import fs from "fs";
+import path from "node:path";
+import fs from "node:fs";
 
 import * as util from "./util.ts";
 import * as watcher from "./watcher.ts";

packages/babel-cli/src/babel/file.ts

@@ -1,8 +1,8 @@
 import convertSourceMap from "convert-source-map";
 import { AnyMap, encodedMap } from "@jridgewell/trace-mapping";
 import slash from "slash";
-import path from "path";
-import fs from "fs";
+import path from "node:path";
+import fs from "node:fs";
 
 import * as util from "./util.ts";
 import type { CmdOptions } from "./options.ts";

packages/babel-cli/src/babel/options.ts

@@ -1,4 +1,4 @@
-import fs from "fs";
+import fs from "node:fs";
 
 import * as commander from "commander";
 import { version, DEFAULT_EXTENSIONS } from "@babel/core";

packages/babel-cli/src/babel/util.ts

@@ -1,7 +1,7 @@
 import readdirRecursive from "fs-readdir-recursive";
 import * as babel from "@babel/core";
-import path from "path";
-import fs from "fs";
+import path from "node:path";
+import fs from "node:fs";
 
 import * as watcher from "./watcher.ts";
 

packages/babel-cli/src/babel/watcher.ts

@@ -1,5 +1,5 @@
-import { createRequire } from "module";
-import path from "path";
+import { createRequire } from "node:module";
+import path from "node:path";
 import type { WatchOptions, FSWatcher } from "chokidar";
 
 const fileToDeps = new Map<string, Set<string>>();

packages/babel-cli/test/helpers/runner.js

@@ -2,7 +2,7 @@ import {
   buildProcessTests,
   buildParallelProcessTests,
 } from "@babel/helper-transform-fixture-test-runner";
-import path from "path";
+import path from "node:path";
 import { commonJS } from "$repo-utils";
 
 const { __dirname } = commonJS(import.meta.url);

packages/babel-compat-data/scripts/build-bugfixes-targets.js

@@ -2,7 +2,7 @@
 
 // NOTE: This script must be run _after_ build-data.js
 
-const path = require("path");
+const path = require("node:path");
 
 const {
   generateData,

packages/babel-compat-data/scripts/build-corejs3-proposals.js

@@ -1,6 +1,6 @@
 const data = require("core-js-compat/data.json");
-const fs = require("fs");
-const path = require("path");
+const fs = require("node:fs");
+const path = require("node:path");
 
 const features = Object.keys(data);
 

packages/babel-compat-data/scripts/build-data.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const path = require("path");
+const path = require("node:path");
 const compatData = require("@mdn/browser-compat-data").javascript;
 const { generateModuleSupport } = require("./build-modules-support");
 const {

packages/babel-compat-data/scripts/build-modules-support.js

@@ -1,4 +1,4 @@
-const path = require("path");
+const path = require("node:path");
 
 const compatData = require("@mdn/browser-compat-data").javascript;
 const { addElectronSupportFromChromium } = require("./chromium-to-electron");

packages/babel-compat-data/scripts/utils-build-data.js

@@ -1,6 +1,6 @@
 "use strict";
 
-const fs = require("fs");
+const fs = require("node:fs");
 const { addElectronSupportFromChromium } = require("./chromium-to-electron");
 
 const envs = require("../build/compat-table/environments");

packages/babel-core/src/config/config-chain.ts

@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-use-before-define */
 
-import path from "path";
+import path from "node:path";
 import buildDebug from "debug";
 import type { Handler } from "gensync";
 import { validate } from "./validation/options.ts";

packages/babel-core/src/config/files/configuration.ts

@@ -1,6 +1,6 @@
 import buildDebug from "debug";
-import nodeFs from "fs";
-import path from "path";
+import nodeFs from "node:fs";
+import path from "node:path";
 import json5 from "json5";
 import gensync from "gensync";
 import type { Handler } from "gensync";
@@ -17,7 +17,7 @@ import ConfigError from "../../errors/config-error.ts";
 
 import * as fs from "../../gensync-utils/fs.ts";
 
-import { createRequire } from "module";
+import { createRequire } from "node:module";
 import { endHiddenCallStack } from "../../errors/rewrite-stack-trace.ts";
 import { isAsync } from "../../gensync-utils/async.ts";
 const require = createRequire(import.meta.url);

packages/babel-core/src/config/files/module-types.ts

@@ -1,8 +1,8 @@
 import { isAsync, waitFor } from "../../gensync-utils/async.ts";
 import type { Handler } from "gensync";
-import path from "path";
-import { pathToFileURL } from "url";
-import { createRequire } from "module";
+import path from "node:path";
+import { pathToFileURL } from "node:url";
+import { createRequire } from "node:module";
 import semver from "semver";
 import buildDebug from "debug";
 

packages/babel-core/src/config/files/package.ts

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 import type { Handler } from "gensync";
 import { makeStaticFileCache } from "./utils.ts";
 

packages/babel-core/src/config/files/plugins.ts

@@ -3,16 +3,16 @@
  */
 
 import buildDebug from "debug";
-import path from "path";
+import path from "node:path";
 import type { Handler } from "gensync";
 import { isAsync } from "../../gensync-utils/async.ts";
 import loadCodeDefault, { supportsESM } from "./module-types.ts";
-import { fileURLToPath, pathToFileURL } from "url";
+import { fileURLToPath, pathToFileURL } from "node:url";
 
 import { resolve as importMetaResolve } from "../../vendor/import-meta-resolve.js";
 
-import { createRequire } from "module";
-import { existsSync } from "fs";
+import { createRequire } from "node:module";
+import { existsSync } from "node:fs";
 const require = createRequire(import.meta.url);
 
 const debug = buildDebug("babel:config:loading:files:plugins");

packages/babel-core/src/config/files/utils.ts

@@ -3,7 +3,7 @@ import type { Handler } from "gensync";
 import { makeStrongCache } from "../caching.ts";
 import type { CacheConfigurator } from "../caching.ts";
 import * as fs from "../../gensync-utils/fs.ts";
-import nodeFs from "fs";
+import nodeFs from "node:fs";
 
 export function makeStaticFileCache<T>(
   fn: (filepath: string, contents: string) => T,

packages/babel-core/src/config/item.ts

@@ -1,7 +1,7 @@
 import type { Handler } from "gensync";
 import type { PluginTarget, PluginOptions } from "./validation/options.ts";
 
-import path from "path";
+import path from "node:path";
 import { createDescriptor } from "./config-descriptors.ts";
 
 import type { UnloadedDescriptor } from "./config-descriptors.ts";

packages/babel-core/src/config/partial.ts

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 import type { Handler } from "gensync";
 import Plugin from "./plugin.ts";
 import { mergeOptions } from "./util.ts";

packages/babel-core/src/config/pattern-to-regex.ts

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 
 const sep = `\\${path.sep}`;
 const endSep = `(?:${sep}|$)`;

packages/babel-core/src/config/resolve-targets.ts

@@ -6,7 +6,7 @@ type nodeType = typeof import("./resolve-targets");
 ({}) as any as browserType as nodeType;
 
 import type { ValidatedOptions } from "./validation/options.ts";
-import path from "path";
+import path from "node:path";
 import getTargets, {
   type InputTargets,
 } from "@babel/helper-compilation-targets";

packages/babel-core/src/gensync-utils/fs.ts

@@ -1,4 +1,4 @@
-import fs from "fs";
+import fs from "node:fs";
 import gensync from "gensync";
 
 export const readFile = gensync<[filepath: string, encoding: "utf8"], string>({

packages/babel-core/src/index.ts

@@ -92,7 +92,7 @@ export const DEFAULT_EXTENSIONS = Object.freeze([
   ".cjs",
 ] as const);
 
-import Module from "module" with { if: "USE_ESM && !IS_STANDALONE" };
+import Module from "node:module" with { if: "USE_ESM && !IS_STANDALONE" };
 import * as thisFile from "./index.ts" with { if: "USE_ESM && !IS_STANDALONE" };
 if (USE_ESM && !IS_STANDALONE) {
   // Pass this module to the CJS proxy, so that it can be synchronously accessed.

packages/babel-core/src/transformation/normalize-file.ts

@@ -1,5 +1,5 @@
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import buildDebug from "debug";
 import type { Handler } from "gensync";
 import { file, traverseFast } from "@babel/types";

packages/babel-core/src/transformation/normalize-opts.ts

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 import type { ResolvedConfig } from "../config/index.ts";
 
 export default function normalizeOptions(config: ResolvedConfig) {

packages/babel-core/test/api.js

@@ -1,6 +1,6 @@
 import * as babel from "../lib/index.js";
 import { TraceMap, originalPositionFor } from "@jridgewell/trace-mapping";
-import path from "path";
+import path from "node:path";
 import generator from "@babel/generator";
 
 import _Plugin from "../lib/config/plugin.js";

packages/babel-core/test/assumptions.js

@@ -1,5 +1,5 @@
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import {
   loadOptionsSync as loadOptionsSyncOrig,
   transformSync,

packages/babel-core/test/async.js

@@ -1,5 +1,5 @@
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import * as babel from "../lib/index.js";
 
 import {

packages/babel-core/test/config-chain.js

@@ -1,7 +1,7 @@
-import fs from "fs";
-import os from "os";
-import path from "path";
-import { fileURLToPath } from "url";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import * as babel from "../lib/index.js";
 import rimraf from "rimraf";
 import { itBabel7, itBabel8, itSatisfies, itNegate } from "$repo-utils";

packages/babel-core/test/config-loading.js

@@ -8,7 +8,7 @@ import {
   createConfigItem,
   createConfigItemSync,
 } from "../lib/index.js";
-import path from "path";
+import path from "node:path";
 import { itNoWin32, itBabel8, commonJS } from "$repo-utils";
 import { supportsESM } from "./helpers/esm.js";
 

packages/babel-core/test/config-ts.js

@@ -1,5 +1,5 @@
 import { loadPartialConfigSync, loadPartialConfigAsync } from "../lib/index.js";
-import path from "path";
+import path from "node:path";
 import semver from "semver";
 import { commonJS, itGte, itLt, USE_ESM } from "$repo-utils";
 

packages/babel-core/test/errors-stacks.js

@@ -1,8 +1,8 @@
 import * as babel from "../lib/index.js";
 
 import { commonJS, itGte } from "$repo-utils";
-import path from "path";
-import { spawnSync } from "child_process";
+import path from "node:path";
+import { spawnSync } from "node:child_process";
 
 const { __dirname } = commonJS(import.meta.url);
 

packages/babel-core/test/esm-cjs-integration.js

@@ -1,5 +1,5 @@
-import { execFile } from "child_process";
-import { createRequire } from "module";
+import { execFile } from "node:child_process";
+import { createRequire } from "node:module";
 import {
   describeESM,
   describeSatisfies,

packages/babel-core/test/external-dependencies.js

@@ -1,5 +1,5 @@
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import { transformSync } from "../lib/index.js";
 
 const cwd = path.dirname(fileURLToPath(import.meta.url));

packages/babel-core/test/helpers/esm.js

@@ -1,6 +1,6 @@
-import cp from "child_process";
-import util from "util";
-import path from "path";
+import cp from "node:child_process";
+import util from "node:util";
+import path from "node:path";
 import { USE_ESM, commonJS } from "$repo-utils";
 
 import * as babel from "../../lib/index.js";

packages/babel-core/test/option-manager.js

@@ -1,6 +1,6 @@
 import * as babel from "../lib/index.js";
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import { itBabel7, itBabel7NoESM } from "$repo-utils";
 
 const cwd = path.dirname(fileURLToPath(import.meta.url));

packages/babel-core/test/parse.js

@@ -1,8 +1,8 @@
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import { parseSync } from "../lib/index.js";
-import { fileURLToPath } from "url";
-import { createRequire } from "module";
+import { fileURLToPath } from "node:url";
+import { createRequire } from "node:module";
 
 const require = createRequire(import.meta.url);
 

packages/babel-core/test/path.js

@@ -1,6 +1,6 @@
 import { transformSync } from "../lib/index.js";
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import _Plugin from "../lib/config/plugin.js";
 const Plugin = _Plugin.default || _Plugin;

packages/babel-core/test/plugins.js

@@ -1,6 +1,6 @@
 import runner from "@babel/helper-transform-fixture-test-runner";
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 (runner.default || runner)(
   path.join(path.dirname(fileURLToPath(import.meta.url)), "fixtures/plugins"),

packages/babel-core/test/resolution.js

@@ -1,6 +1,6 @@
 import * as babel from "../lib/index.js";
-import path from "path";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import { itGte } from "$repo-utils";
 
 describe("addon resolution", function () {

packages/babel-core/test/targets.js

@@ -1,6 +1,6 @@
 import { loadOptionsSync as loadOptionsSyncOrig } from "../lib/index.js";
-import { join, dirname } from "path";
-import { fileURLToPath } from "url";
+import { join, dirname } from "node:path";
+import { fileURLToPath } from "node:url";
 
 const cwd = dirname(fileURLToPath(import.meta.url));
 

packages/babel-core/test/transformation.js

@@ -1,6 +1,6 @@
 import runner from "@babel/helper-transform-fixture-test-runner";
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 import cloneDeep from "../lib/transformation/util/clone-deep.js";
 import { itBabel8 } from "$repo-utils";
 

packages/babel-generator/scripts/generate-typescript-tests.js

@@ -1,8 +1,8 @@
 /*
 Copies tests from the @babel/parser's TypeScript test suite to @babel/generator.
 */
-const fs = require("fs");
-const { join } = require("path");
+const fs = require("node:fs");
+const { join } = require("node:path");
 
 const testsFrom = join(
   __dirname,

packages/babel-generator/test/index.js

@@ -1,7 +1,7 @@
 import { parse, parseExpression } from "@babel/parser";
 import * as t from "@babel/types";
-import fs from "fs";
-import path from "path";
+import fs from "node:fs";
+import path from "node:path";
 import fixtures from "@babel/helper-fixtures";
 import { TraceMap, originalPositionFor } from "@jridgewell/trace-mapping";
 import { commonJS, describeBabel7NoESM, itBabel7, itBabel8 } from "$repo-utils";

packages/babel-generator/test/preserve-format.js

@@ -1,5 +1,5 @@
 import { parse } from "@babel/parser";
-import path from "path";
+import path from "node:path";
 import fixtures from "@babel/helper-fixtures";
 import * as babel from "@babel/core";
 import pluginTransformTypeScript from "@babel/plugin-transform-typescript";

packages/babel-helper-compilation-targets/test/browserslist-extends/browserslist-extends.spec.js

@@ -1,5 +1,5 @@
-import { dirname, resolve } from "path";
-import { fileURLToPath } from "url";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
 
 import _getTargets from "../../lib/index.js";
 const getTargets = _getTargets.default || _getTargets;

packages/babel-helper-compilation-targets/test/custom-browserslist-env/custom-browserslist-env.spec.js

@@ -1,5 +1,5 @@
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import _getTargets from "../../lib/index.js";
 const getTargets = _getTargets.default || _getTargets;

packages/babel-helper-compilation-targets/test/load-browserslist-package-json/load-browserslist-package-json.spec.js

@@ -1,5 +1,5 @@
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import _getTargets from "../../lib/index.js";
 const getTargets = _getTargets.default || _getTargets;

packages/babel-helper-compilation-targets/test/load-browserslistrc/load-browserslistrc.spec.js

@@ -1,5 +1,5 @@
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import _getTargets from "../../lib/index.js";
 const getTargets = _getTargets.default || _getTargets;

packages/babel-helper-fixtures/src/index.ts

@@ -1,8 +1,8 @@
 import semver from "semver";
-import path from "path";
-import fs from "fs";
-import { fileURLToPath } from "url";
-import { createRequire } from "module";
+import path from "node:path";
+import fs from "node:fs";
+import { fileURLToPath } from "node:url";
+import { createRequire } from "node:module";
 import type { InputOptions } from "@babel/core";
 import type { EncodedSourceMap } from "@jridgewell/gen-mapping";
 

packages/babel-helper-module-imports/src/import-builder.ts

@@ -1,4 +1,4 @@
-import assert from "assert";
+import assert from "node:assert";
 import {
   callExpression,
   cloneNode,

packages/babel-helper-module-imports/src/import-injector.ts

@@ -1,4 +1,4 @@
-import assert from "assert";
+import assert from "node:assert";
 import {
   identifier,
   importSpecifier,

packages/babel-helper-module-imports/test/index.js

@@ -1,6 +1,6 @@
 import * as babel from "@babel/core";
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import { ImportInjector } from "../lib/index.js";
 

packages/babel-helper-module-transforms/src/index.ts

@@ -1,4 +1,4 @@
-import assert from "assert";
+import assert from "node:assert";
 import { template, types as t } from "@babel/core";
 
 import { isModule } from "@babel/helper-module-imports";

packages/babel-helper-module-transforms/src/normalize-and-load-metadata.ts

@@ -1,4 +1,4 @@
-import { basename, extname } from "path";
+import { basename, extname } from "node:path";
 import type { types as t, NodePath } from "@babel/core";
 
 import { isIdentifierName } from "@babel/helper-validator-identifier";

packages/babel-helper-plugin-test-runner/src/index.ts

@@ -1,6 +1,6 @@
 import testRunner from "@babel/helper-transform-fixture-test-runner";
-import path from "path";
-import { URL } from "url";
+import path from "node:path";
+import { URL } from "node:url";
 
 export default function (loc: string) {
   if (!process.env.BABEL_8_BREAKING) {

packages/babel-helper-transform-fixture-test-runner/src/index.ts

@@ -16,24 +16,24 @@ import {
 import { codeFrameColumns } from "@babel/code-frame";
 import * as helpers from "./helpers.ts";
 import visualizeSourceMap from "./source-map-visualizer.ts";
-import assert from "assert";
-import fs, { readFileSync, realpathSync } from "fs";
-import path from "path";
-import vm from "vm";
+import assert from "node:assert";
+import fs, { readFileSync, realpathSync } from "node:fs";
+import path from "node:path";
+import vm from "node:vm";
 import LruCache from "lru-cache";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 import { diff } from "jest-diff";
-import type { ChildProcess } from "child_process";
-import { spawn } from "child_process";
-import os from "os";
+import type { ChildProcess } from "node:child_process";
+import { spawn } from "node:child_process";
+import os from "node:os";
 import readdirRecursive from "fs-readdir-recursive";
 
-import { createRequire } from "module";
+import { createRequire } from "node:module";
 const require = createRequire(import.meta.url);
 const dirname = path.dirname(fileURLToPath(import.meta.url));
 
 import checkDuplicateNodes from "@babel/helper-check-duplicate-nodes";
-import { createHash } from "crypto";
+import { createHash } from "node:crypto";
 
 type Module = {
   id: string;

packages/babel-helper-transform-fixture-test-runner/test/index.js

@@ -1,5 +1,5 @@
 import { runCodeInTestContext } from "../lib/index.js";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 const filename = fileURLToPath(import.meta.url);
 

packages/babel-helpers/scripts/generate-helpers.js

@@ -1,11 +1,11 @@
 /* eslint-disable import/no-extraneous-dependencies */
-import fs from "fs";
-import { join } from "path";
-import { URL, fileURLToPath } from "url";
+import fs from "node:fs";
+import { join } from "node:path";
+import { URL, fileURLToPath } from "node:url";
 import { minify } from "terser";
 import { babel, presetTypescript } from "$repo-utils/babel-top-level";
 import { IS_BABEL_8 } from "$repo-utils";
-import { gzipSync } from "zlib";
+import { gzipSync } from "node:zlib";
 
 import {
   getHelperMetadata,

packages/babel-helpers/scripts/generate-regenerator-runtime.js

@@ -0,0 +1,61 @@
+import fs from "node:fs";
+import { createRequire } from "node:module";
+
+const [parse, generate] = await Promise.all([
+  import("@babel/parser").then(ns => ns.parse),
+  import("@babel/generator").then(ns => ns.default.default || ns.default),
+]).catch(error => {
+  console.error(error);
+  throw new Error(
+    "Before running generate-helpers.js you must compile @babel/parser and @babel/generator.",
+    { cause: error }
+  );
+});
+
+const REGENERATOR_RUNTIME_IN_FILE = fs.readFileSync(
+  createRequire(import.meta.url).resolve("regenerator-runtime"),
+  "utf8"
+);
+
+const MIN_VERSION = "7.18.0";
+
+const HEADER = `/* @minVersion ${MIN_VERSION} */
+/*
+ * This file is auto-generated! Do not modify it directly.
+ * To re-generate, update the regenerator-runtime dependency of
+ * @babel/helpers and run 'yarn gulp generate-runtime-helpers'.
+ */
+
+/* eslint-disable */
+`;
+
+const COPYRIGHT = `/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */`;
+
+export default function generateRegeneratorRuntimeHelper() {
+  const ast = parse(REGENERATOR_RUNTIME_IN_FILE, { sourceType: "script" });
+
+  const factoryFunction = ast.program.body[0].declarations[0].init.callee;
+  factoryFunction.type = "FunctionDeclaration";
+  factoryFunction.id = { type: "Identifier", name: "_regeneratorRuntime" };
+  factoryFunction.params = [];
+  factoryFunction.body.body.unshift(
+    ...stmts(`
+      ${COPYRIGHT}
+      _regeneratorRuntime = function () { return exports; };
+      var exports = {};
+    `)
+  );
+
+  const { code } = generate({
+    type: "ExportDefaultDeclaration",
+    declaration: factoryFunction,
+  });
+
+  return HEADER + code;
+}
+
+function stmts(code) {
+  return parse(`function _() { ${code} }`, {
+    sourceType: "script",
+  }).program.body[0].body.body;
+}

packages/babel-helpers/test/helpers/define-helper.js

@@ -1,4 +1,4 @@
-import path from "path";
+import path from "node:path";
 import _template from "@babel/template";
 import _helpers from "../../lib/helpers-generated.js";
 const template = _template.default || _template;

packages/babel-node/scripts/list-node-flags.js

@@ -1,4 +1,5 @@
 // NOTE: This file must be runnable on all Node.js version
+/* eslint-disable unicorn/prefer-node-protocol */
 
 const cp = require("child_process");
 const fs = require("fs");

packages/babel-node/src/_babel-node.ts

@@ -1,15 +1,15 @@
-import Module from "module";
-import { inspect } from "util";
-import path from "path";
-import repl from "repl";
+import Module from "node:module";
+import { inspect } from "node:util";
+import path from "node:path";
+import repl from "node:repl";
 import * as babel from "@babel/core";
-import vm from "vm";
+import vm from "node:vm";
 import "core-js/stable/index.js";
 import "regenerator-runtime/runtime.js";
 // @ts-expect-error @babel/register is a CommonJS module
 import register from "@babel/register";
-import { fileURLToPath } from "url";
-import { createRequire } from "module";
+import { fileURLToPath } from "node:url";
+import { createRequire } from "node:module";
 import type { PluginAPI, PluginObject } from "@babel/core";
 
 import { program } from "./program-setup.ts";

packages/babel-node/src/babel-node.ts

@@ -3,9 +3,9 @@
  * when found, before invoking the "real" _babel-node(1) executable.
  */
 
-import path from "path";
-import child_process from "child_process";
-import { fileURLToPath } from "url";
+import path from "node:path";
+import child_process from "node:child_process";
+import { fileURLToPath } from "node:url";
 import getV8FlagsRaw from "v8flags";
 
 import { splitArgs, nodeFlagsWithValue } from "./split-args.ts";

packages/babel-node/test/helpers/runner.js

@@ -1,5 +1,5 @@
-import path from "path";
-import { writeFileSync } from "fs";
+import path from "node:path";
+import { writeFileSync } from "node:fs";
 import { commonJS } from "$repo-utils";
 import {
   buildProcessTests,

packages/babel-parser/bin/babel-parser.js

@@ -2,7 +2,7 @@
 /* eslint no-var: 0 */
 
 var parser = require("..");
-var fs = require("fs");
+var fs = require("node:fs");
 
 var filename = process.argv[2];
 if (!filename) {

packages/babel-parser/test/attachComment-false.js

@@ -1,7 +1,7 @@
-import path from "path";
+import path from "node:path";
 import runFixtureTests from "./helpers/run-fixture-tests.js";
 import { parseExpression } from "../lib/index.js";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 runFixtureTests(
   path.join(path.dirname(fileURLToPath(import.meta.url)), "expressions"),

packages/babel-parser/test/estree-throws.js

@@ -1,7 +1,7 @@
-import path from "path";
+import path from "node:path";
 import runFixtureTests from "./helpers/run-fixture-tests.js";
 import { parse } from "../lib/index.js";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 import { VISITOR_KEYS } from "@babel/types";
 
 runFixtureTests(

packages/babel-parser/test/expressions.js

@@ -1,7 +1,7 @@
-import path from "path";
+import path from "node:path";
 import runFixtureTests from "./helpers/run-fixture-tests.js";
 import { parseExpression } from "../lib/index.js";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 const fixtures = path.join(
   path.dirname(fileURLToPath(import.meta.url)),

packages/babel-parser/test/helpers/fixture-error.js

@@ -1,4 +1,4 @@
-import { inspect } from "util";
+import { inspect } from "node:util";
 import Difference from "./difference.js";
 import "./polyfill.js";
 

packages/babel-parser/test/helpers/run-fixture-tests.js

@@ -1,7 +1,7 @@
 import { multiple as getFixtures } from "@babel/helper-fixtures";
 import _checkDuplicateNodes from "@babel/helper-check-duplicate-nodes";
-import { readFileSync, unlinkSync, writeFileSync, existsSync } from "fs";
-import { join } from "path";
+import { readFileSync, unlinkSync, writeFileSync, existsSync } from "node:fs";
+import { join } from "node:path";
 import Difference from "./difference.js";
 import FixtureError from "./fixture-error.js";
 import toFuzzedOptions from "./to-fuzzed-options.js";

packages/babel-parser/test/helpers/to-contextual-syntax-error.js

@@ -1,5 +1,5 @@
 import { codeFrameColumns } from "@babel/code-frame";
-import { runInThisContext } from "vm";
+import { runInThisContext } from "node:vm";
 
 export default function toContextualSyntaxError(
   error,

packages/babel-parser/test/index.js

@@ -1,7 +1,7 @@
-import path from "path";
+import path from "node:path";
 import runFixtureTests from "./helpers/run-fixture-tests.js";
 import { parse } from "../lib/index.js";
-import { fileURLToPath } from "url";
+import { fileURLToPath } from "node:url";
 
 const fixtures = path.join(
   path.dirname(fileURLToPath(import.meta.url)),

packages/babel-plugin-transform-modules-amd/test/importInterop-function.js

@@ -1,7 +1,7 @@
 import * as babel from "@babel/core";
 import transformAmd from "../lib/index.js";
 import externalHelpers from "@babel/plugin-external-helpers";
-import path from "path";
+import path from "node:path";
 
 describe("'importInterop'", () => {
   function transform(code, importInterop, filename) {

packages/babel-plugin-transform-modules-commonjs/test/copied-nodes.js

@@ -1,6 +1,6 @@
 import * as babel from "@babel/core";
-import { fileURLToPath } from "url";
-import path from "path";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import transformCommonJS from "../lib/index.js";
 

packages/babel-plugin-transform-modules-commonjs/test/esmodule-flag.js

@@ -1,7 +1,7 @@
 import * as babel from "@babel/core";
-import vm from "vm";
-import { fileURLToPath } from "url";
-import path from "path";
+import vm from "node:vm";
+import { fileURLToPath } from "node:url";
+import path from "node:path";
 
 import transformCommonJS from "../lib/index.js";
 

packages/babel-plugin-transform-modules-commonjs/test/importInterop-function.js

@@ -1,7 +1,7 @@
 import * as babel from "@babel/core";
 import transformCommonjs from "../lib/index.js";
 import externalHelpers from "@babel/plugin-external-helpers";
-import path from "path";
+import path from "node:path";
 
 describe("'importInterop'", () => {
   function transform(code, importInterop, filename) {

packages/babel-plugin-transform-modules-systemjs/test/index.js

@@ -1,7 +1,7 @@
 import runner from "@babel/helper-plugin-test-runner";
-import { readFileSync } from "fs";
+import { readFileSync } from "node:fs";
 import { commonJS } from "$repo-utils";
-import path from "path";
+import path from "node:path";
 import {
   runCodeInTestContext,
   createTestContext,