1 files changed, 16 insertions, 0 deletions
diff --git a/src/utils/common.ts b/src/utils/common.ts
index f13181c1..dbe8f270 100644
--- a/src/utils/common.ts
+++ b/src/utils/common.ts
@@ -48,6 +48,22 @@ export const getDateAge: (
   }
 };
 
+export const moveCategory: (
+  categories: string[],
+  category: string,
+  moveUp: boolean,
+) => string[] = (categories, category, moveUp) => {
+  const i = categories.indexOf(category);
+  const swapTarget = moveUp ? i - 1 : i + 1;
+  if ((moveUp && i === 0) || (!moveUp && i > categories.length)) {
+    return categories;
+  }
+  const tmp = categories[i];
+  categories[i] = categories[swapTarget];
+  categories[swapTarget] = tmp;
+  return categories;
+};
+
 export const checkImageUploadStatus = (statusMap: object) => {
   for (let [key, value] of Object.entries(statusMap)) {
     if (value != 'Success') {