babel-plugin-minify-mangle-names - npm Package Compare versions

Comparing version 0.1.2 to 0.1.3

lib/scope-tracker.js

@@ -142,2 +142,26 @@ "use strict";
 
+      // Safari raises a syntax error for a `let` or `const` declaration in a
+      // `for` loop initialization that shadows a parent function's parameter.
+      // https://github.com/babel/babili/issues/559
+      // https://bugs.webkit.org/show_bug.cgi?id=171041
+      // https://trac.webkit.org/changeset/217200/webkit/trunk/Source
+      var maybeDecl = binding.path.parentPath;
+      var isBlockScoped = maybeDecl.isVariableDeclaration({ kind: "let" }) || maybeDecl.isVariableDeclaration({ kind: "const" });
+      if (isBlockScoped) {
+        var maybeFor = maybeDecl.parentPath;
+        var isForLoopBinding = maybeFor.isForStatement({ init: maybeDecl.node }) || maybeFor.isForXStatement({ left: maybeDecl.node });
+        if (isForLoopBinding) {
+          var fnParent = maybeFor.getFunctionParent();
+          if (fnParent.isFunction({ body: maybeFor.parent })) {
+            var parentFunctionBinding = this.bindings.get(fnParent.scope).get(next);
+            if (parentFunctionBinding) {
+              var parentFunctionHasParamBinding = parentFunctionBinding.kind === "param";
+              if (parentFunctionHasParamBinding) {
+                return false;
+              }
+            }
+          }
+        }
+      }
+
       for (var i = 0; i < binding.constantViolations.length; i++) {
@@ -144,0 +168,0 @@ var violation = binding.constantViolations[i];

package.json

 {
   "name": "babel-plugin-minify-mangle-names",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "",
@@ -16,4 +16,3 @@ "homepage": "https://github.com/babel/babili#readme",
     "babel-helper-mark-eval-scopes": "^0.1.1"
-  },
-  "devDependencies": {}
+  }
 }

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Improved metrics

Total package byte prevSize

40564

increased by3.06%

Lines of code

997

increased by2.36%

No dependency changes