Fixed: Faster hasDifferentItems and specialized OrOrder version

frontend/src/Utilities/Object/hasDifferentItems.js

@@ -1,10 +1,19 @@
-import _ from 'lodash';
-
 function hasDifferentItems(prevItems, currentItems, idProp = 'id') {
-  const diff1 = _.differenceBy(prevItems, currentItems, (item) => item[idProp]);
-  const diff2 = _.differenceBy(currentItems, prevItems, (item) => item[idProp]);
+  if (prevItems === currentItems) {
+    return false;
+  }
 
-  return diff1.length > 0 || diff2.length > 0;
+  if (prevItems.length !== currentItems.length) {
+    return true;
+  }
+
+  const currentItemIds = new Set();
+
+  currentItems.forEach((currentItem) => {
+    currentItemIds.add(currentItem[idProp]);
+  });
+
+  return prevItems.every((prevItem) => currentItemIds.has(prevItem[idProp]));
 }
 
 export default hasDifferentItems;

frontend/src/Utilities/Object/hasDifferentItemsOrOrder.js

@@ -0,0 +1,21 @@
+function hasDifferentItemsOrOrder(prevItems, currentItems, idProp = 'id') {
+  if (prevItems === currentItems) {
+    return false;
+  }
+
+  const len = prevItems.length;
+
+  if (len !== currentItems.length) {
+    return true;
+  }
+
+  for (let i = 0; i < len; i++) {
+    if (prevItems[i][idProp] !== currentItems[i][idProp]) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+export default hasDifferentItemsOrOrder;