Update make-replacements.js

lib/helpers/make-replacements.js

@@ -25,16 +25,15 @@ module.exports = function makeReplacements(contents, from, to, file, count) {
 
   //Check if replace value is an array and prepare result
   const isArray = Array.isArray(to);
-  const oldContents = contents;
   const result = {file};
 
-  //Counting?
+  //Counting? Initialize number of matches
   if (count) {
     result.numMatches = 0;
   }
 
   //Make replacements
-  from.forEach((item, i) => {
+  const newContents = from.reduce((contents, item, i) => {
 
     //Call function if given, passing in the filename
     if (typeof item === 'function') {
@@ -44,7 +43,7 @@ module.exports = function makeReplacements(contents, from, to, file, count) {
     //Get replacement value
     let replacement = getReplacement(to, isArray, i);
     if (replacement === null) {
-      return;
+      return contents;
     }
 
     //Call function if given, appending the filename
@@ -62,12 +61,12 @@ module.exports = function makeReplacements(contents, from, to, file, count) {
     }
 
     //Make replacement
-    contents = contents.replace(item, replacement);
-  });
+    return contents.replace(item, replacement);
+  }, contents);
 
   //Check if changed
-  result.hasChanged = (oldContents !== contents);
+  result.hasChanged = (newContents !== contents);
 
   //Return result and new contents
-  return [result, contents];
+  return [result, newContents];
 };