Make oldHeader and newHeader optional

createPatch(fileName, oldStr, newStr, oldHeader, newHeader) The last two arguments should be optional.
zzen · Oct 9, 2011 · 645e868 · 645e868
1 parent 01da667
commit 645e868
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/diff.js b/diff.js
@@ -187,8 +187,8 @@ var JsDiff = (function() {
 
       ret.push("Index: " + fileName);
       ret.push("===================================================================");
-      ret.push("--- " + fileName + "\t" + oldHeader);
-      ret.push("+++ " + fileName + "\t" + newHeader);
+      ret.push("--- " + fileName + (typeof oldHeader === "undefined" ? "" : "\t" + oldHeader));
+      ret.push("+++ " + fileName + (typeof newHeader === "undefined" ? "" : "\t" + newHeader));
 
       var diff = LineDiff.diff(oldStr, newStr);
       diff.push({value: "", lines: []});   // Append an empty value to make cleanup easier