This plugin transforms ES2015 modules to CommonJS. 

This plugin transforms ES2015 modules to CommonJS

hzoo

nicolo-ribaudo

jlhwung

existentialism

@babel/plugin-transform-modules-commonjs

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Object.defineProperty(exports, "__esModule", {

var _helperPluginUtils = require("@babel/helper-plugin-utils");

var _helperModuleTransforms = require("@babel/helper-module-transforms");

var _helperSimpleAccess = require("@babel/helper-simple-access");

var _utils = require("babel-plugin-dynamic-import-node/utils");

var _default = (0, _helperPluginUtils.declare)((api, options) => {

  var _api$assumption, _api$assumption2, _api$assumption3;

  const transformImportCall = (0, _utils.createDynamicImportTransform)(api);

    mjsStrictNamespace = strictNamespace,

  const constantReexports = (_api$assumption = api.assumption("constantReexports")) != null ? _api$assumption : loose;

  const enumerableModuleMeta = (_api$assumption2 = api.assumption("enumerableModuleMeta")) != null ? _api$assumption2 : loose;

  const noIncompleteNsImportDetection = (_api$assumption3 = api.assumption("noIncompleteNsImportDetection")) != null ? _api$assumption3 : 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 => _core.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(_core.types.assignmentExpression(path.node.operator[0] + "=", arg.node, getAssertion(localName)));

        const localName = path.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(_core.types.sequenceExpression([right.node, getAssertion(localName)]));

            esNamespaceOnly: typeof state.filename === "string" && /\.mjs$/.test(state.filename) ? mjsStrictNamespace : strictNamespace,

            noIncompleteNsImportDetection

            noIncompleteNsImportDetection,

            filename: this.file.opts.filename

          for (const [source, metadata] of meta.source) {

            const loadExpr = _core.types.callExpression(_core.types.identifier("require"), [_core.types.stringLiteral(source)]);

            if ((0, _helperModuleTransforms.isSideEffectImport)(metadata)) {

              if (metadata.lazy) throw new Error("Assertion failure");

              header = _core.types.expressionStatement(loadExpr);

              const init = (0, _helperModuleTransforms.wrapInterop)(path, loadExpr, metadata.interop) || loadExpr;

                header = _core.template.ast`

                  function ${metadata.name}() {

                    const data = ${init};

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

                  var ${metadata.name} = ${init};

            headers.push(...(0, _helperModuleTransforms.buildNamespaceInitStatements)(meta, metadata, constantReexports));

          (0, _helperModuleTransforms.ensureStatementsHoisted)(headers);

          path.unshiftContainer("body", headers);

          path.get("body").forEach(path => {

            if (headers.indexOf(path.node) === -1) return;

            if (path.isVariableDeclaration()) {

              path.scope.registerDeclaration(path);

  "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": "^7.17.12",

    "@babel/helper-module-transforms": "^7.18.0",

    "@babel/helper-plugin-utils": "^7.17.12",

    "@babel/helper-simple-access": "^7.17.7",

    "babel-plugin-dynamic-import-node": "^2.3.3"

    "@babel/helper-plugin-test-runner": "^7.16.7",

    "@babel/plugin-external-helpers": "^7.17.12",

    "@babel/plugin-syntax-class-static-block": "^7.14.5",

    "@babel/plugin-syntax-object-rest-spread": "^7.8.3"

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

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

		{
		"name": "@babel/plugin-transform-modules-commonjs",
		"version": "7.17.12",
		"version": "7.18.0",
		"description": "This plugin transforms ES2015 modules to CommonJS",
		@@ -16,3 +16,3 @@ "repository": {
		"dependencies": {
		"@babel/helper-module-transforms": "^7.17.12",
		"@babel/helper-module-transforms": "^7.18.0",
		"@babel/helper-plugin-utils": "^7.17.12",
		@@ -29,3 +29,3 @@ "@babel/helper-simple-access": "^7.17.7",
		"devDependencies": {
		"@babel/core": "^7.17.12",
		"@babel/core": "^7.18.0",
		"@babel/helper-plugin-test-runner": "^7.16.7",
		@@ -32,0 +32,0 @@ "@babel/plugin-external-helpers": "^7.17.12",

Improved metrics

Dependency changes

		@@ -170,3 +170,4 @@ "use strict";
		esNamespaceOnly: typeof state.filename === "string" && /\.mjs$/.test(state.filename) ? mjsStrictNamespace : strictNamespace,
		noIncompleteNsImportDetection
		noIncompleteNsImportDetection,
		filename: this.file.opts.filename
		});
		@@ -173,0 +174,0 @@