Use tabWidth 4 without actual tabs.

src/redux/reducers/last_opened.ts

@@ -1,32 +1,32 @@
 export interface LastOpened {
-	[key: string]: string;
+    [key: string]: string;
 }
 
 export type LastOpenedAction =
-	| { type: undefined }
-	| {
-			type: "LAST_OPENED_SET";
-			parent: string;
-			child: string;
-	  }
-	| {
-			type: "RESET";
-	  };
+    | { type: undefined }
+    | {
+          type: "LAST_OPENED_SET";
+          parent: string;
+          child: string;
+      }
+    | {
+          type: "RESET";
+      };
 
 export function lastOpened(
-	state = {} as LastOpened,
-	action: LastOpenedAction,
+    state = {} as LastOpened,
+    action: LastOpenedAction,
 ): LastOpened {
-	switch (action.type) {
-		case "LAST_OPENED_SET": {
-			return {
-				...state,
-				[action.parent]: action.child,
-			};
-		}
-		case "RESET":
-			return {};
-		default:
-			return state;
-	}
+    switch (action.type) {
+        case "LAST_OPENED_SET": {
+            return {
+                ...state,
+                [action.parent]: action.child,
+            };
+        }
+        case "RESET":
+            return {};
+        default:
+            return state;
+    }
 }