Add comment explaining logic

rails · Nov 14, 2017 · b7f530b · b7f530b
1 parent 3e75ea2
commit b7f530b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/sprockets/utils.rb b/lib/sprockets/utils.rb
@@ -106,6 +106,9 @@ def concat_javascript_sources(buf, source)
       source = source.encode(Encoding::UTF_32LE) unless source.ascii_only?
       return buf if string_end_with_semicolon?(source)
 
+      # If the last character in the string was whitespace,
+      # such as a newline, then we want to put the semicolon
+      # before the whitespace. Otherwise append a semicolon.
       if whitespace = WHITESPACE_ORDINALS[source[-1].ord]
         buf[-1] = ";#{whitespace}"
       else