babel-plugin-transform-es2015-modules-commonjs - npm Package Compare versions

Comparing version 7.0.0-beta.2 to 7.0.0-beta.3

lib/index.js

 "use strict";
 
 exports.__esModule = true;
+exports.default = _default;
 
-exports.default = function (_ref) {
-  var t = _ref.types;
+var _babelHelperModuleTransforms = require("babel-helper-module-transforms");
+
+var _babelHelperSimpleAccess = _interopRequireDefault(require("babel-helper-simple-access"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _default(_ref, options) {
+  var t = _ref.types,
+      template = _ref.template;
+  var loose = options.loose,
+      allowTopLevelThis = options.allowTopLevelThis,
+      strict = options.strict,
+      strictMode = options.strictMode,
+      noInterop = options.noInterop,
+      _options$allowCommonJ = options.allowCommonJSExports,
+      allowCommonJSExports = _options$allowCommonJ === void 0 ? true : _options$allowCommonJ;
+  var moduleAssertion = template("\n    (function(){\n      throw new Error(\"The CommonJS 'module' variable is not available in ES6 modules.\");\n    })();\n  ");
+  var exportsAssertion = template("\n    (function(){\n      throw new Error(\"The CommonJS 'exports' variable is not available in ES6 modules.\");\n    })();\n  ");
+
+  var getAssertion = function getAssertion(localName) {
+    return (localName === "module" ? moduleAssertion() : exportsAssertion()).expression;
+  };
+
+  var moduleExportsVisitor = {
+    ReferencedIdentifier: function ReferencedIdentifier(path) {
+      var localName = path.node.name;
+      if (localName !== "module" && localName !== "exports") return;
+      var localBinding = path.scope.getBinding(localName);
+      var rootBinding = this.scope.getBinding(localName);
+
+      if (rootBinding !== localBinding || path.parentPath.isObjectProperty({
+        value: path.node
+      }) && path.parentPath.parentPath.isObjectPattern() || path.parentPath.isAssignmentExpression({
+        left: path.node
+      }) || path.isAssignmentExpression({
+        left: path.node
+      })) {
+        return;
+      }
+
+      path.replaceWith(getAssertion(localName));
+    },
+    AssignmentExpression: function AssignmentExpression(path) {
+      var _this = this;
+
+      var left = path.get("left");
+
+      if (left.isIdentifier()) {
+        var localName = path.node.name;
+        if (localName !== "module" && localName !== "exports") return;
+        var localBinding = path.scope.getBinding(localName);
+        var rootBinding = this.scope.getBinding(localName);
+        if (rootBinding !== localBinding) return;
+        var right = path.get("right");
+        right.replaceWith(t.sequenceExpression([right.node, getAssertion(localName)]));
+      } else if (left.isPattern()) {
+        var ids = left.getOuterBindingIdentifiers();
+        var _localName = Object.keys(ids).filter(function (localName) {
+          if (localName !== "module" && localName !== "exports") return false;
+          return _this.scope.getBinding(localName) === path.scope.getBinding(localName);
+        })[0];
+
+        if (_localName) {
+          var _right = path.get("right");
+
+          _right.replaceWith(t.sequenceExpression([_right.node, getAssertion(_localName)]));
+        }
+      }
+    }
+  };
   return {
     visitor: {
       Program: {
-        exit: function exit(path, state) {
+        exit: function exit(path) {
           if (!(0, _babelHelperModuleTransforms.isModule)(path, true)) return;
-          var _state$opts = state.opts,
-              loose = _state$opts.loose,
-              allowTopLevelThis = _state$opts.allowTopLevelThis,
-              strict = _state$opts.strict,
-              strictMode = _state$opts.strictMode,
-              noInterop = _state$opts.noInterop;
           path.scope.rename("exports");
@@ -23,2 +86,10 @@ path.scope.rename("module");
           path.scope.rename("__dirname");
+
+          if (!allowCommonJSExports) {
+            (0, _babelHelperSimpleAccess.default)(path, new Set(["module", "exports"]));
+            path.traverse(moduleExportsVisitor, {
+              scope: path.scope
+            });
+          }
+
           var moduleName = this.getModuleName();
@@ -73,4 +144,2 @@ if (moduleName) moduleName = t.stringLiteral(moduleName);
   };
-};
-
-var _babelHelperModuleTransforms = require("babel-helper-module-transforms");
+}

package.json

 {
   "name": "babel-plugin-transform-es2015-modules-commonjs",
-  "version": "7.0.0-beta.2",
+  "version": "7.0.0-beta.3",
   "description": "This plugin transforms ES2015 modules to CommonJS",
@@ -9,4 +9,5 @@ "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-es2015-modules-commonjs",
   "dependencies": {
-    "babel-helper-module-transforms": "7.0.0-beta.2",
-    "babel-types": "7.0.0-beta.2"
+    "babel-helper-module-transforms": "7.0.0-beta.3",
+    "babel-helper-simple-access": "7.0.0-beta.3",
+    "babel-types": "7.0.0-beta.3"
   },
@@ -17,5 +18,6 @@ "keywords": [
   "devDependencies": {
-    "babel-helper-plugin-test-runner": "7.0.0-beta.2",
-    "babel-plugin-syntax-object-rest-spread": "7.0.0-beta.2"
+    "babel-core": "7.0.0-beta.3",
+    "babel-helper-plugin-test-runner": "7.0.0-beta.3",
+    "babel-plugin-syntax-object-rest-spread": "7.0.0-beta.3"
   }
 }

No alert changes

Improved metrics

Total package byte prevSize

9078

increased by47.25%

Lines of code

120

increased by90.48%

Worsened metrics

Dependency count

3

increased by50%

Dev dependency count

3

increased by50%

Dependency changes

• + Addedbabel-helper-simple-access@7.0.0-beta.3

• + Addedbabel-code-frame@7.0.0-beta.3(transitive)

• + Addedbabel-helper-function-name@7.0.0-beta.3(transitive)

• + Addedbabel-helper-get-function-arity@7.0.0-beta.3(transitive)

• + Addedbabel-helper-module-imports@7.0.0-beta.3(transitive)

• + Addedbabel-helper-module-transforms@7.0.0-beta.3(transitive)

• + Addedbabel-helper-simple-access@7.0.0-beta.3(transitive)

• + Addedbabel-template@7.0.0-beta.3(transitive)

• + Addedbabel-traverse@7.0.0-beta.3(transitive)

• + Addedbabel-types@7.0.0-beta.3(transitive)

• + Addedbabylon@7.0.0-beta.27(transitive)

• - Removedbabel-code-frame@7.0.0-beta.2(transitive)

• - Removedbabel-helper-function-name@7.0.0-beta.2(transitive)

• - Removedbabel-helper-get-function-arity@7.0.0-beta.2(transitive)

• - Removedbabel-helper-module-transforms@7.0.0-beta.2(transitive)

• - Removedbabel-messages@7.0.0-beta.2(transitive)

• - Removedbabel-template@7.0.0-beta.2(transitive)

• - Removedbabel-traverse@7.0.0-beta.2(transitive)

• - Removedbabel-types@7.0.0-beta.2(transitive)

• - Removedbabylon@7.0.0-beta.25(transitive)

• Updatedbabel-helper-module-transforms@7.0.0-beta.3

• Updatedbabel-types@7.0.0-beta.3