This plugin transforms ES2015 modules to CommonJS. 

This plugin transforms ES2015 modules to CommonJS

hzoo

nicolo-ribaudo

jlhwung

existentialism

@babel/plugin-transform-modules-commonjs

import { declare } from '@babel/helper-plugin-utils';

import { buildDynamicImport, isSideEffectImport, isModule, getModuleName, rewriteModuleStatementsAndPrepareHeader, wrapInterop, buildNamespaceInitStatements, ensureStatementsHoisted } from '@babel/helper-module-transforms';

import simplifyAccess from '@babel/helper-simple-access';

import { template, types } from '@babel/core';

const requireNoInterop = source => template.expression.ast`require(${source})`;

const requireInterop = (source, file) => types.callExpression(file.addHelper("interopRequireWildcard"), [requireNoInterop(source)]);

function transformDynamicImport(path, noInterop, file) {

  const buildRequire = noInterop ? requireNoInterop : requireInterop;

  path.replaceWith(buildDynamicImport(path.node, true, false, specifier => buildRequire(specifier, file)));

  name: `${"@babel/plugin-transform-modules-commonjs"}/lazy`,

    if (isSideEffectImport(metadata) || metadata.reexportAll) {

      return /\./.test(source) ? null : "lazy/function";

      return lazy.indexOf(source) === -1 ? null : "lazy/function";

      return lazy(source) ? "lazy/function" : null;

  buildRequireWrapper(name, init, payload, referenced) {

          ${name} = function(){ return data; };

    if (payload === "lazy/function") return types.callExpression(ref, []);

const commonJSHooksKey = "@babel/plugin-transform-modules-commonjs/customWrapperPlugin";

function defineCommonJSHook(file, hook) {

  let hooks = file.get(commonJSHooksKey);

  if (!hooks) file.set(commonJSHooksKey, hooks = []);

  const hooks = file.get(commonJSHooksKey);

      return findMap(hooks, hook => hook.getWrapperPayload?.(...args));

      return findMap(hooks, hook => hook.wrapReference?.(...args));

      return findMap(hooks, hook => hook.buildRequireWrapper?.(...args));

    mjsStrictNamespace = strictNamespace,

  const constantReexports = api.assumption("constantReexports") ?? loose;

  const enumerableModuleMeta = api.assumption("enumerableModuleMeta") ?? loose;

  const noIncompleteNsImportDetection = api.assumption("noIncompleteNsImportDetection") ?? false;

  if (typeof lazy !== "boolean" && typeof lazy !== "function" && (!Array.isArray(lazy) || !lazy.every(item => typeof item === "string"))) {

    throw new Error(`.lazy must be a boolean, array of strings, or a function`);

  if (typeof strictNamespace !== "boolean") {

    throw new Error(`.strictNamespace must be a boolean, or undefined`);

  if (typeof mjsStrictNamespace !== "boolean") {

    throw new Error(`.mjsStrictNamespace must be a boolean, or undefined`);

  const getAssertion = localName => template.expression.ast`

        "The CommonJS '" + "${localName}" + "' variable is not available in ES6 modules." +

        "Consider setting setting sourceType:script or sourceType:unambiguous in your " +

      if (localName !== "module" && localName !== "exports") return;

      const localBinding = path.scope.getBinding(localName);

      const rootBinding = this.scope.getBinding(localName);

      if (rootBinding !== localBinding || path.parentPath.isObjectProperty({

      }) && path.parentPath.parentPath.isObjectPattern() || path.parentPath.isAssignmentExpression({

      }) || path.isAssignmentExpression({

      path.replaceWith(getAssertion(localName));

      if (rootBinding !== localBinding) return;

      path.replaceWith(types.assignmentExpression(path.node.operator[0] + "=", arg.node, getAssertion(localName)));

        const localName = left.node.name;

        if (localName !== "module" && localName !== "exports") return;

        const localBinding = path.scope.getBinding(localName);

        const rootBinding = this.scope.getBinding(localName);

        if (rootBinding !== localBinding) return;

        right.replaceWith(types.sequenceExpression([right.node, getAssertion(localName)]));

        const ids = left.getOuterBindingIdentifiers();

        const localName = Object.keys(ids).filter(localName => {

          if (localName !== "module" && localName !== "exports") return false;

          return this.scope.getBinding(localName) === path.scope.getBinding(localName);

          const right = path.get("right");

          right.replaceWith(types.sequenceExpression([right.node, getAssertion(localName)]));

      this.file.set("@babel/plugin-transform-modules-*", "commonjs");

      if (lazy) defineCommonJSHook(this.file, lazyImportsHook(lazy));

      ["CallExpression" + (api.types.importExpression ? "|ImportExpression" : "")](path) {

        if (!this.file.has("@babel/plugin-proposal-dynamic-import")) return;

        if (path.isCallExpression() && !types.isImport(path.node.callee)) return;

        transformDynamicImport(path, noInterop, this.file);

  "name": "@babel/plugin-transform-modules-commonjs",

  "description": "This plugin transforms ES2015 modules to CommonJS",

    "url": "https://github.com/babel/babel.git",

    "directory": "packages/babel-plugin-transform-modules-commonjs"

    "@babel/helper-module-transforms": "^8.0.0-alpha.6",

    "@babel/helper-plugin-utils": "^8.0.0-alpha.6",

    "@babel/helper-simple-access": "^8.0.0-alpha.6"

    "@babel/helper-module-transforms": "^8.0.0-alpha.7",

    "@babel/helper-plugin-utils": "^8.0.0-alpha.7",

    "@babel/helper-simple-access": "^8.0.0-alpha.7"

    "@babel/helper-plugin-test-runner": "^8.0.0-alpha.6",

    "@babel/plugin-external-helpers": "^8.0.0-alpha.6"

    "@babel/helper-plugin-test-runner": "^8.0.0-alpha.7",

    "@babel/plugin-external-helpers": "^8.0.0-alpha.7"

  "homepage": "https://babel.dev/docs/en/next/babel-plugin-transform-modules-commonjs",

    "node": "^16.20.0 || ^18.16.0 || >=20.0.0"

  "author": "The Babel Team (https://babel.dev/team)",

		@@ -15,3 +15,3 @@ import { declare } from '@babel/helper-plugin-utils';
		name: `${"@babel/plugin-transform-modules-commonjs"}/lazy`,
		version: "8.0.0-alpha.6",
		version: "8.0.0-alpha.7",
		getWrapperPayload(source, metadata) {
		@@ -78,3 +78,3 @@ if (isSideEffectImport(metadata) \|\| metadata.reexportAll) {
		var index = declare((api, options) => {
		api.assertVersion("8.0.0-alpha.6");
		api.assertVersion("8.0.0-alpha.7");
		const {
		@@ -81,0 +81,0 @@ strictNamespace = false,

		{
		"name": "@babel/plugin-transform-modules-commonjs",
		"version": "8.0.0-alpha.6",
		"version": "8.0.0-alpha.7",
		"description": "This plugin transforms ES2015 modules to CommonJS",
		@@ -16,5 +16,5 @@ "repository": {
		"dependencies": {
		"@babel/helper-module-transforms": "^8.0.0-alpha.6",
		"@babel/helper-plugin-utils": "^8.0.0-alpha.6",
		"@babel/helper-simple-access": "^8.0.0-alpha.6"
		"@babel/helper-module-transforms": "^8.0.0-alpha.7",
		"@babel/helper-plugin-utils": "^8.0.0-alpha.7",
		"@babel/helper-simple-access": "^8.0.0-alpha.7"
		},
		@@ -25,8 +25,8 @@ "keywords": [
		"peerDependencies": {
		"@babel/core": "^8.0.0-alpha.6"
		"@babel/core": "^8.0.0-alpha.7"
		},
		"devDependencies": {
		"@babel/core": "^8.0.0-alpha.6",
		"@babel/helper-plugin-test-runner": "^8.0.0-alpha.6",
		"@babel/plugin-external-helpers": "^8.0.0-alpha.6"
		"@babel/core": "^8.0.0-alpha.7",
		"@babel/helper-plugin-test-runner": "^8.0.0-alpha.7",
		"@babel/plugin-external-helpers": "^8.0.0-alpha.7"
		},
		@@ -33,0 +33,0 @@ "homepage": "https://babel.dev/docs/en/next/babel-plugin-transform-modules-commonjs",

Dependency changes