v2.3.5

bin/uglifyjs

@@ -23,6 +23,7 @@ mangling you need to use `-c` and `-m`.\
     .describe("source-map-url", "The path to the source map to be added in //@ sourceMappingURL.  Defaults to the value passed with --source-map.")
     .describe("in-source-map", "Input source map, useful if you're compressing JS that was generated from some other original code.")
     .describe("screw-ie8", "Pass this flag if you don't care about full compliance with Internet Explorer 6-8 quirks (by default UglifyJS will try to be IE-proof).")
+    .describe("expr", "Parse a single expression, rather than a program (for parsing JSON)")
     .describe("p", "Skip prefix for original filenames that appear in source maps. \
 For example -p 3 will drop 3 directories from file names and ensure they are relative paths.")
     .describe("o", "Output file (default STDOUT).")
@@ -76,6 +77,8 @@ You need to pass an argument to this option to specify the name that your module
     .string("e")
     .string("comments")
     .string("wrap")
+
+    .boolean("expr")
     .boolean("screw-ie8")
     .boolean("export-all")
     .boolean("self")
@@ -242,8 +245,9 @@ async.eachLimit(files, 1, function (file, cb) {
             }
             else {
                 TOPLEVEL = UglifyJS.parse(code, {
-                    filename: file,
-                    toplevel: TOPLEVEL
+                    filename   : file,
+                    toplevel   : TOPLEVEL,
+                    expression : ARGS.expr,
                 });
             };
         });

lib/compress.js

@@ -1590,7 +1590,7 @@ merge(Compressor.prototype, {
                         right: make_node(AST_String, self, { value: "" })
                     });
                   case "Function":
-                    if (self.args[self.args.length - 1] instanceof AST_String) {
+                    if (all(self.args, function(x){ return x instanceof AST_String })) {
                         // quite a corner-case, but we can handle it:
                         //   https://github.com/mishoo/UglifyJS2/issues/203
                         // if the code argument is a constant, then we can minify it.

lib/parse.js

@@ -588,9 +588,10 @@ var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "nam
 function parse($TEXT, options) {
 
     options = defaults(options, {
-        strict   : false,
-        filename : null,
-        toplevel : null
+        strict     : false,
+        filename   : null,
+        toplevel   : null,
+        expression : false
     });
 
     var S = {
@@ -1386,6 +1387,10 @@ function parse($TEXT, options) {
         return ret;
     };
 
+    if (options.expression) {
+        return expression(true);
+    }
+
     return (function(){
         var start = S.token;
         var body = [];

lib/utils.js

@@ -245,6 +245,13 @@ function makePredicate(words) {
     return new Function("str", f);
 };
 
+function all(array, predicate) {
+    for (var i = array.length; --i >= 0;)
+        if (!predicate(array[i]))
+            return false;
+    return true;
+};
+
 function Dictionary() {
     this._values = Object.create(null);
     this._size = 0;

package.json

@@ -3,17 +3,17 @@
     "description": "JavaScript parser, mangler/compressor and beautifier toolkit",
     "homepage": "http://lisperator.net/uglifyjs",
     "main": "tools/node.js",
-    "version": "2.3.3",
+    "version": "2.3.5",
     "engines": { "node" : ">=0.4.0" },
     "maintainers": [{
         "name": "Mihai Bazon",
         "email": "mihai.bazon@gmail.com",
         "web": "http://lisperator.net/"
     }],
-    "repositories": [{
+    "repository": {
         "type": "git",
         "url": "https://github.com/mishoo/UglifyJS2.git"
-    }],
+    },
     "dependencies": {
         "async"      : "~0.2.6",
         "source-map" : "~0.1.7",