uglify-js - npm Package Compare versions

Comparing version 3.10.4 to 3.11.0

lib/ast.js

@@ -634,2 +634,5 @@ /***********************************************************************
         must_be_expression(this, "expression");
+        this.body.forEach(function(node) {
+            if (!(node instanceof AST_SwitchBranch)) throw new Error("body must be AST_SwitchBranch[]");
+        });
     },
@@ -636,0 +639,0 @@ }, AST_Block);

lib/parse.js

@@ -47,7 +47,10 @@ /***********************************************************************
 
-var KEYWORDS = 'break case catch const continue debugger default delete do else finally for function if in instanceof new return switch throw try typeof var void while with';
-var KEYWORDS_ATOM = 'false null true';
-var RESERVED_WORDS = 'abstract boolean byte char class double enum export extends final float goto implements import int interface let long native package private protected public short static super synchronized this throws transient volatile yield'
-    + " " + KEYWORDS_ATOM + " " + KEYWORDS;
-var KEYWORDS_BEFORE_EXPRESSION = 'return new delete throw else case';
+var KEYWORDS = "break case catch const continue debugger default delete do else finally for function if in instanceof new return switch throw try typeof var void while with";
+var KEYWORDS_ATOM = "false null true";
+var RESERVED_WORDS = [
+    "abstract boolean byte char class double enum export extends final float goto implements import int interface let long native package private protected public short static super synchronized this throws transient volatile yield",
+    KEYWORDS_ATOM,
+    KEYWORDS,
+].join(" ");
+var KEYWORDS_BEFORE_EXPRESSION = "return new delete throw else case";
 
@@ -442,3 +445,3 @@ KEYWORDS = makePredicate(KEYWORDS);
         var i = find("*/", true);
-        var text = S.text.substring(S.pos, i).replace(/\r\n|\r|\u2028|\u2029/g, '\n');
+        var text = S.text.substring(S.pos, i).replace(/\r\n|\r|\u2028|\u2029/g, "\n");
         // update stream position
@@ -445,0 +448,0 @@ forward(text.length /* doesn't count \r\n as 2 char while S.pos - i does */ + 2);

lib/scope.js

@@ -282,2 +282,3 @@ /***********************************************************************
     }));
+    return this;
 });
@@ -338,3 +339,3 @@
     if (!names) {
-        scope.names_in_use = names = Object.create(scope.mangled_names || null);
+        scope.names_in_use = names = Object.create(null);
         scope.cname_holes = [];
@@ -373,3 +374,3 @@ var cache = options.cache && options.cache.props;
         holes.splice(i, 1);
-        scope.names_in_use[name] = true;
+        in_use[name] = true;
         return name;
@@ -383,3 +384,3 @@ }
     }
-    scope.names_in_use[name] = true;
+    in_use[name] = true;
     return name;
@@ -425,3 +426,3 @@ }
     if (options.cache && options.cache.props) {
-        var mangled_names = this.mangled_names = Object.create(null);
+        var mangled_names = names_in_use(this, options);
         options.cache.props.each(function(mangled_name) {
@@ -498,3 +499,3 @@ mangled_names[mangled_name] = true;
     var cache = options.cache && options.cache.props;
-    var avoid = Object.create(null);
+    var avoid = Object.create(RESERVED_WORDS);
     options.reserved.forEach(to_avoid);
@@ -536,3 +537,3 @@ this.globals.each(add_def);
             name = base54(cname++);
-        } while (avoid[name] || RESERVED_WORDS[name]);
+        } while (avoid[name]);
         return name;
@@ -539,0 +540,0 @@ }

package.json

@@ -6,3 +6,3 @@ {
   "license": "BSD-2-Clause",
-  "version": "3.10.4",
+  "version": "3.11.0",
   "engines": {
@@ -9,0 +9,0 @@ "node": ">=0.8.0"

README.md

@@ -691,2 +691,4 @@ UglifyJS 3
 
+- `merge_vars` (default: `true`) -- combine and reuse variables.
+
 - `negate_iife` (default: `true`) -- negate "Immediately-Called Function Expressions"
@@ -693,0 +695,0 @@ where the return value is discarded, to avoid the parens that the

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

902802

increased by1.32%

Lines of code

23495

increased by1.29%

Number of lines in readme file

1177

increased by0.17%

No dependency changes