lib/ruby2js.rb in ruby2js-3.0.15 vs lib/ruby2js.rb in ruby2js-3.1.0

@@ -79,10 +79,22 @@
 
       def es2017
         @options[:eslevel] >= 2017
       end
 
+      def es2018
+        @options[:eslevel] >= 2018
+      end
+
+      def es2019
+        @options[:eslevel] >= 2019
+      end
+
+      def es2020
+        @options[:eslevel] >= 2020
+      end
+
       def process(node)
         ast, @ast = @ast, node
         replacement = super
 
         if replacement != node and @comments[node]
@@ -199,10 +211,12 @@
   def self.parse(source, file=nil, line=1)
     buffer = Parser::Source::Buffer.new(file, line)
     buffer.source = source.encode('utf-8')
     parser = Parser::CurrentRuby.new
     parser.builder.emit_file_line_as_literals=false
-    parser.parse_with_comments(buffer)
+    ast, comments = parser.parse_with_comments(buffer)
+    Parser::CurrentRuby.parse(source.encode('utf-8')) unless ast
+    [ast, comments]
   rescue Parser::SyntaxError => e
     split = source[0..e.diagnostic.location.begin_pos].split("\n")
     line, col = split.length, split.last.length
     message = "line #{line}, column #{col}: #{e.diagnostic.message}"
     message += "\n in file #{file}" if file