lib/uglifier.rb in uglifier-3.0.2 vs lib/uglifier.rb in uglifier-3.0.3

@@ -36,11 +36,12 @@
       :beautify => false, # Beautify output
       :indent_level => 4, # Indent level in spaces
       :indent_start => 0, # Starting indent level
       :space_colon => false, # Insert space before colons (only with beautifier)
       :width => 80, # Specify line width when beautifier is used (only with beautifier)
-      :preamble => nil # Preamble for the generated JS file. Can be used to insert any code or comment.
+      :preamble => nil, # Preamble for the generated JS file. Can be used to insert any code or comment.
+      :wrap_iife => false # Wrap IIFEs in parenthesis. Note: this disables the negate_iife compression option.
     },
     :mangle => {
       :eval => false, # Mangle names when eval of when is used in scope
       :except => ["$super"], # Argument names to be excluded from mangling
       :sort => false, # Assign shorter names to most frequently used variables. Often results in bigger output after gzip.
@@ -220,14 +221,23 @@
     )
 
     conditional_option(
       @options[:compress] || @options[:squeeze],
       defaults,
-      :keep_fnames => keep_fnames?(:compress)
+      { :keep_fnames => keep_fnames?(:compress) }.merge(negate_iife_block)
     )
   end
 
+  # Prevent negate_iife when wrap_iife is true
+  def negate_iife_block
+    if output_options[:wrap_iife]
+      { :negate_iife => false }
+    else
+      {}
+    end
+  end
+
   def comment_options
     case comment_setting
     when :all, true
       true
     when :jsdoc
@@ -330,10 +340,10 @@
 
   def sanitize_map_root(map)
     if map.nil?
       nil
     elsif map.is_a? String
-      sanitize_map_root(JSON.load(map))
+      sanitize_map_root(JSON.parse(map))
     elsif map["sourceRoot"] == ""
       map.merge("sourceRoot" => nil)
     else
       map
     end