1 files changed, 9 insertions, 0 deletions
diff --git a/app/assets/javascripts/diffs/store/utils.js b/app/assets/javascripts/diffs/store/utils.js
index d261be1b550..bc85dd0a1d4 100644
--- a/app/assets/javascripts/diffs/store/utils.js
+++ b/app/assets/javascripts/diffs/store/utils.js
@@ -15,6 +15,8 @@ import {
   TREE_TYPE,
   INLINE_DIFF_VIEW_TYPE,
   PARALLEL_DIFF_VIEW_TYPE,
+  SHOW_WHITESPACE,
+  NO_SHOW_WHITESPACE,
 } from '../constants';
 
 export function findDiffFile(files, match, matchKey = 'file_hash') {
@@ -701,3 +703,10 @@ export const allDiscussionWrappersExpanded = diff => {
 
   return discussionsExpanded;
 };
+
+export const getDefaultWhitespace = (queryString, cookie) => {
+  // Querystring should override stored cookie value
+  if (queryString) return queryString === SHOW_WHITESPACE;
+  if (cookie === NO_SHOW_WHITESPACE) return false;
+  return true;
+};