Merge branch 'master' into tma694-edit-badges

# Conflicts:
#	src/components/search/SearchCategories.tsx

1 files changed, 21 insertions, 0 deletions

diff --git a/src/utils/common.ts b/src/utils/common.ts
index 30122e79..c1049c42 100644
--- a/src/utils/common.ts
+++ b/src/utils/common.ts
@@ -94,3 +94,24 @@ export const haveUnreadNotifications = async (
   }
   return false;
 };
+
+// https://stackoverflow.com/a/2450976
+export const shuffle = (array: any[]) => {
+  var currentIndex = array.length,
+    temporaryValue,
+    randomIndex;
+
+  // While there remain elements to shuffle...
+  while (currentIndex !== 0) {
+    // Pick a remaining element...
+    randomIndex = Math.floor(Math.random() * currentIndex);
+    currentIndex -= 1;
+
+    // And swap it with the current element.
+    temporaryValue = array[currentIndex];
+    array[currentIndex] = array[randomIndex];
+    array[randomIndex] = temporaryValue;
+  }
+
+  return array;
+};