v4.6.5

CHANGELOG.md

@@ -13,6 +13,19 @@ _Note: Gaps between patch versions are faulty/broken releases._
 
 See [CHANGELOG - 6to5](CHANGELOG-6to5.md) for the pre-4.0.0 version changelog.
 
+## 4.6.5
+
+ * **Internal**
+  * `useStrict` transformer has been renamed to `strict`.
+
+## 4.6.4
+
+ * **Bug Fix**
+  * Fix `ForOfStatement` not proplery inheriting labels.
+  * When in closure mode in block scoping transformer, properly check for variable shadowing.
+ * **New Feature**
+  * New `utility.inlineEnvironmentVariables` and `utility.inlineExpression` transformers.
+
 ## 4.6.3
 
  * **Bug Fix**

package.json

@@ -1,7 +1,7 @@
 {
   "name": "babel",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "4.6.4",
+  "version": "4.6.5",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "repository": "babel/babel",

packages/babel-runtime/package.json

@@ -1,7 +1,7 @@
 {
   "name": "babel-runtime",
   "description": "babel selfContained runtime",
-  "version": "4.6.3",
+  "version": "4.6.4",
   "repository": "babel/babel",
   "author": "Sebastian McKenzie <sebmck@gmail.com>"
 }

src/babel/transformation/file.js

@@ -388,7 +388,7 @@ export default class File {
     var opts = this.opts;
 
     opts.allowImportExportEverywhere = this.isLoose("es6.modules");
-    opts.strictMode = this.transformers.useStrict.canRun();
+    opts.strictMode = this.transformers.strict.canRun();
 
     return parse(opts, code, (tree) => {
       this.transform(tree);

src/babel/transformation/index.js

@@ -25,7 +25,10 @@ transform._ensureTransformerNames = function (type, rawKeys) {
     var key = rawKeys[i];
 
     var deprecatedKey = transform.deprecatedTransformerMap[key];
-    if (deprecatedKey) {
+    var aliasKey = transform.aliasTransformerMap[key];
+    if (aliasKey) {
+      keys.push(aliasKey);
+    } else if (deprecatedKey) {
       // deprecated key, remap it to the new one
       console.error("The transformer " + key + " has been renamed to " + deprecatedKey);
       rawKeys.push(deprecatedKey);
@@ -49,6 +52,7 @@ transform.transformers          = object();
 transform.namespaces            = object();
 
 transform.deprecatedTransformerMap = require("./transformers/deprecated");
+transform.aliasTransformerMap = require("./transformers/aliases");
 transform.moduleFormatters = require("./modules");
 
 import rawTransformers from "./transformers";

src/babel/transformation/transformers/aliases.json

@@ -0,0 +1,3 @@
+{
+  "useStrict": "strict"
+}

src/babel/transformation/transformers/index.js

@@ -1,5 +1,5 @@
 export default {
-  useStrict:                               require("./other/use-strict"),
+  strict:                                  require("./other/strict"),
 
   "validation.undeclaredVariableCheck":    require("./validation/undeclared-variable-check"),
   "validation.noForInOfAssignment":        require("./validation/no-for-in-of-assignment"),
@@ -97,7 +97,7 @@ export default {
   "spec.typeofSymbol":                     require("./spec/typeof-symbol"),
   "spec.undefinedToVoid":                  require("./spec/undefined-to-void"),
 
-  _useStrict:                              require("./internal/use-strict"),
+  _strict:                                 require("./internal/strict"),
   _moduleFormatter:                        require("./internal/module-formatter"),
 
   "es3.propertyLiterals":                  require("./es3/property-literals"),

src/babel/transformation/transformers/internal/declarations.js

@@ -1,4 +1,4 @@
-import * as useStrict from "../../helpers/use-strict";
+import * as strict from "../../helpers/strict";
 import t from "../../../types";
 
 export var secondPass = true;
@@ -6,7 +6,7 @@ export var secondPass = true;
 export function BlockStatement(node, parent, scope, file) {
   if (!node._declarations) return;
 
-  useStrict.wrap(node, function () {
+  strict.wrap(node, function () {
     var kinds = {};
     var kind;
 

src/babel/transformation/transformers/internal/module-formatter.js

@@ -1,9 +1,9 @@
-import * as useStrict from "../../helpers/use-strict";
+import * as strict from "../../helpers/strict";
 
 export function Program(program, parent, scope, file) {
   if (!file.transformers["es6.modules"].canRun()) return;
 
-  useStrict.wrap(program, function () {
+  strict.wrap(program, function () {
     program.body = file.dynamicImports.concat(program.body);
   });
 

src/babel/transformation/transformers/internal/strict.js

@@ -1,7 +1,7 @@
 import t from "../../../types";
 
 export function Program(program, parent, scope, file) {
-  if (file.transformers.useStrict.canRun()) {
+  if (file.transformers.strict.canRun()) {
     program.body.unshift(t.expressionStatement(t.literal("use strict")));
   }
 }

src/babel/transformation/transformers/other/flow.js

@@ -13,12 +13,12 @@ export function Class(node) {
   node.implements = null;
 }
 
-export function Function(node) {
+exports.Function = function (node) {
   for (var i = 0; i < node.params.length; i++) {
     var param = node.params[i];
     param.optional = false;
   }
-}
+};
 
 export function TypeCastExpression(node) {
   return node.expression;

src/babel/types/index.js

@@ -887,25 +887,17 @@ t.evaluate = function (node) {
     }
 
     if (t.isUnaryExpression(node, { prefix: true })) {
+      var arg = evaluate(node.argument);
       switch (node.operator) {
         case "void": return undefined;
-        case "!": return !evaluate(node.argument);
-        case "+": return +evaluate(node.argument);
-        case "-": return -evaluate(node.argument);
+        case "!": return !arg;
+        case "+": return +arg;
+        case "-": return -arg;
       }
     }
 
-    if (t.isArrayExpression(node)) {
-      // possible perf issues - could deopt on X elements
-      var values = [];
-      for (var i = 0; i < node.elements.length; i++) {
-        values.push(evaluate(node.elements[i]));
-      }
-      return values;
-    }
-
-    if (t.isObjectExpression(node)) {
-      // todo: deopt on mutable computed property keys etc
+    if (t.isArrayExpression(node) || t.isObjectExpression(node)) {
+      // we could evaluate these but it's probably impractical and not very useful
     }
 
     if (t.isLogicalExpression(node)) {

test/fixtures/transformation/react-compat/options.json

@@ -1,4 +1,4 @@
 {
-  "blacklist": "useStrict",
+  "blacklist": "strict",
   "optional": "reactCompat"
 }

test/fixtures/transformation/react/arrow-functions/options.json

@@ -1,3 +1,3 @@
 {
-  "blacklist": ["useStrict", "es6.tailCall"]
+  "blacklist": ["strict", "es6.tailCall"]
 }

test/fixtures/transformation/react/options.json

@@ -1,3 +1,3 @@
 {
-  "blacklist": ["useStrict"]
+  "blacklist": ["strict"]
 }

test/kangax.js

@@ -47,7 +47,7 @@ suite("kangax/compat-table", function () {
     test(key, function () {
       code = transform(code, {
         filename: key,
-        blacklist: ["useStrict"],
+        blacklist: ["strict"],
         optional: ["spec.typeofSymbol", "es6.blockScopingTDZ"]
       }).code;
 

test/regenerator.js

@@ -11,7 +11,7 @@ var regeneratorLoc = __dirname + "/../vendor/regenerator";
 suite("regenerator", function () {
   setup(function () {
     require("../register")({
-      blacklist: ["useStrict"],
+      blacklist: ["strict"],
       experimental: true
     });
   });

test/test262.js

@@ -29,7 +29,7 @@ var check = function (loc) {
 
     transform(file, {
       filename: loc,
-      blacklist: ["useStrict"],
+      blacklist: ["strict"],
       _anal: true
     });
   } catch (err) {

test/traceur.js

@@ -86,6 +86,6 @@ require("./_transformation-helper")({
   experimental: true
 }, function (opts, task) {
   if (!_.contains(task.exec.loc, "module.js")) {
-    opts.blacklist = ["useStrict"];
+    opts.blacklist = ["strict"];
   }
 });