v5.0.6

CHANGELOG.md

@@ -13,6 +13,12 @@ _Note: Gaps between patch versions are faulty/broken releases._
 
 See [CHANGELOG - 6to5](CHANGELOG-6to5.md) for the pre-4.0.0 version changelog.
 
+## 5.0.6
+
+ * **Bug Fix**
+  * Fix mangling of import references that collide with properties on `Object.prototype`.
+  * Fix duplicate declarations incorrectly being reported for `var`.
+
 ## 5.0.5
 
  * **Internal**

package.json

@@ -1,7 +1,7 @@
 {
   "name": "babel-core",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "5.0.5",
+  "version": "5.0.6",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "repository": "babel/babel",

packages/babel-cli/package.json

@@ -1,14 +1,14 @@
 {
   "name": "babel",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "5.0.4",
+  "version": "5.0.5",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "repository": "babel/babel",
   "preferGlobal": true,
   "dependencies": {
     "chokidar": "^0.12.6",
-    "babel-core": "^5.0.4",
+    "babel-core": "^5.0.5",
     "commander": "^2.6.0",
     "fs-readdir-recursive": "^0.1.0",
     "output-file-sync": "^1.1.0",

packages/babel-runtime/package.json

@@ -1,7 +1,7 @@
 {
   "name": "babel-runtime",
   "description": "babel selfContained runtime",
-  "version": "5.0.4",
+  "version": "5.0.5",
   "repository": "babel/babel",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "dependencies": {

src/babel/transformation/modules/_default.js

@@ -106,12 +106,11 @@ var exportsVisitor = traverse.explode({
 
 export default class DefaultFormatter {
   constructor(file) {
-    this.internalRemap = {};
-
-    this.defaultIds = object();
-    this.scope      = file.scope;
-    this.file       = file;
-    this.ids        = object();
+    this.internalRemap = object();
+    this.defaultIds    = object();
+    this.scope         = file.scope;
+    this.file          = file;
+    this.ids           = object();
 
     this.hasNonDefaultExports = false;
 

src/babel/traversal/scope.js

@@ -240,7 +240,12 @@ export default class Scope {
     if (kind === "param") return;
     if (kind === "hoisted" && local.kind === "let") return;
 
-    if (local.kind === "let" || local.kind === "const" || local.kind === "module" || local.kind === "param") {
+
+    var duplicate = false;
+    duplicate ||= local.kind === "let" || local.kind === "const" || local.kind === "module";
+    duplicate ||= local.kind === "param" && (kind === "let" || kind === "const");
+
+    if (duplicate) {
       throw this.file.errorWithNode(id, messages.get("scopeDuplicateDeclaration", name), TypeError);
     }
   }

test/core/fixtures/transformation/misc/regression-lodash-tostring-import/actual.js

@@ -0,0 +1,2 @@
+import toString from "foo";
+toString;

test/core/fixtures/transformation/misc/regression-lodash-tostring-import/expected.js

@@ -0,0 +1,9 @@
+"use strict";
+
+var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };
+
+var _toString = require("foo");
+
+var toString = _interopRequire(_toString);
+
+toString;