babel-core - npm Package Compare versions

Comparing version 4.7.8 to 4.7.9

CHANGELOG.md

@@ -16,2 +16,18 @@ # Changelog
 
+## 4.7.9
+
+ * **Polish**
+  * Allow `inputSourceMap` to be set to `false` to skip the source map inference.
+  * Infer computed literal property names.
+ * **Bug Fix**
+  * Fix nested labeled for-ofs.
+  * Fix block scoping `break` colliding with the parent switch case.
+ * **Internal**
+  * Upgrade `acorn-babel`.
+
+## 4.7.8
+
+ * **Bug Fix**
+  * Fix computed classes not properly setting symbols.
+
 ## 4.7.7
@@ -18,0 +34,0 @@

lib/babel/transformation/file.js

@@ -101,3 +101,3 @@ "use strict";
       auxilaryComment: "",
-      inputSourceMap: false,
+      inputSourceMap: null,
       experimental: false,
@@ -243,6 +243,8 @@ reactCompat: false,
 
-    var inputMap = convertSourceMap.fromSource(code);
-    if (inputMap) {
-      opts.inputSourceMap = inputMap.toObject();
-      code = convertSourceMap.removeComments(code);
+    if (opts.inputSourceMap === false) {
+      var inputMap = convertSourceMap.fromSource(code);
+      if (inputMap) {
+        opts.inputSourceMap = inputMap.toObject();
+        code = convertSourceMap.removeComments(code);
+      }
     }
@@ -249,0 +251,0 @@

lib/babel/transformation/helpers/name-method.js

@@ -117,3 +117,3 @@ "use strict";
   var id;
-  if (t.isProperty(parent) && parent.kind === "init" && !parent.computed) {
+  if (t.isProperty(parent) && parent.kind === "init" && (!parent.computed || t.isLiteral(parent.key))) {
     // { foo() {} };
@@ -128,5 +128,12 @@ id = parent.key;
 
-  if (!t.isIdentifier(id)) return node;
+  var name;
+  if (t.isLiteral(id)) {
+    name = id.value;
+  } else if (t.isIdentifier(id)) {
+    name = id.name;
+  } else {
+    return;
+  }
 
-  var name = t.toIdentifier(id.name);
+  name = t.toIdentifier(name);
   id = t.identifier(name);
@@ -133,0 +140,0 @@

lib/babel/transformation/transformers/es6/block-scoping.js

@@ -91,4 +91,5 @@ "use strict";
   }
-  var blockScoping = new BlockScoping(node, node.body, parent, scope, file);
-  blockScoping.run();
+
+  var blockScoping = new BlockScoping(this, node.body, parent, scope, file);
+  return blockScoping.run();
 }
@@ -245,6 +246,5 @@
 
-  function BlockScoping(loopParent, block, parent, scope, file) {
+  function BlockScoping(loopPath, block, parent, scope, file) {
     _classCallCheck(this, BlockScoping);
 
-    this.loopParent = loopParent;
     this.parent = parent;
@@ -259,2 +259,8 @@ this.scope = scope;
     this.body = [];
+
+    if (loopPath) {
+      this.loopParent = loopPath.parent;
+      this.loopLabel = t.isLabeledStatement(this.loopParent) && this.loopParent.label;
+      this.loop = loopPath.node;
+    }
   }
@@ -284,2 +290,6 @@
     }
+
+    if (this.loopLabel && !t.isLabeledStatement(this.loopParent)) {
+      return t.labeledStatement(this.loopLabel, this.loop);
+    }
   };
@@ -323,7 +333,7 @@
 
-    var loopParent = this.loopParent;
-    if (loopParent) {
-      traverseReplace(loopParent.right, loopParent, scope, remaps);
-      traverseReplace(loopParent.test, loopParent, scope, remaps);
-      traverseReplace(loopParent.update, loopParent, scope, remaps);
+    var loop = this.loop;
+    if (loop) {
+      traverseReplace(loop.right, loop, scope, remaps);
+      traverseReplace(loop.test, loop, scope, remaps);
+      traverseReplace(loop.update, loop, scope, remaps);
     }
@@ -344,3 +354,3 @@
     // remap loop heads with colliding variables
-    if (this.loopParent) {
+    if (this.loop) {
       for (var name in outsideRefs) {
@@ -466,3 +476,3 @@ var id = outsideRefs[name];
       hasReturn: false,
-      isLoop: !!this.loopParent,
+      isLoop: !!this.loop,
       map: {}
@@ -531,3 +541,3 @@ };
 
-    var loopParent = this.loopParent;
+    var loop = this.loop;
     var retCheck;
@@ -545,4 +555,4 @@ var has = this.has;
     if (has.hasBreakContinue) {
-      if (!loopParent) {
-        throw new Error("Has no loop parent but we're trying to reassign breaks " + "and continues, something is going wrong here.");
+      if (!loop) {
+        throw new Error("Aren't in a loop and we're trying to reassign breaks and continues, something is going wrong here.");
       }
@@ -562,2 +572,12 @@
       } else {
+        // #998
+        for (var i = 0; i < cases.length; i++) {
+          var caseConsequent = cases[i].consequent[0];
+          if (t.isBreakStatement(caseConsequent) && !caseConsequent.label) {
+            var _ref;
+
+            caseConsequent.label = (_ref = this, !_ref.loopLabel && (_ref.loopLabel = this.file.scope.generateUidIdentifier("loop")), _ref.loopLabel);
+          }
+        }
+
         body.push(this.file.attachAuxiliaryComment(t.switchStatement(ret, cases)));
@@ -564,0 +584,0 @@ }

lib/babel/transformation/transformers/es6/for-of.js

@@ -43,7 +43,4 @@ "use strict";
 
-  if (build.replaceParent) {
-    this.parentPath.node = build.node;
-  } else {
-    return build.node;
-  }
+  if (build.replaceParent) this.parentPath.node = build.node;
+  return build.node;
 }
@@ -50,0 +47,0 @@

package.json

 {
   "name": "babel-core",
   "description": "Turn ES6 code into readable vanilla ES5 with source maps",
-  "version": "4.7.8",
+  "version": "4.7.9",
   "author": "Sebastian McKenzie <[e-mail]>",
@@ -26,3 +26,3 @@ "homepage": "https://babeljs.io/",
   "dependencies": {
-    "acorn-babel": "0.11.1-37",
+    "acorn-babel": "0.11.1-38",
     "ast-types": "~0.7.0",
@@ -29,0 +29,0 @@ "chalk": "^1.0.0",

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

1933631

increased by0.59%

Number of package files

191

increased by2.14%

Lines of code

15940

increased by1.13%

Worsened metrics

Number of low supply chain risk alerts

24

increased by4.35%

Dependency changes

• + Addedacorn-babel@0.11.1-38(transitive)

• - Removedacorn-babel@0.11.1-37(transitive)

• Updatedacorn-babel@0.11.1-38