chore: singleton

a1mersnow · Feb 6, 2024 · 839043c · 839043c
1 parent 54138c8
commit 839043c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/main.ts b/src/main.ts
@@ -8,6 +8,11 @@ import './styles/main.css'
 import 'uno.css'
 
 const ENTRY_ID = 'a1mersnow_webdrive_rename'
+// @ts-expect-error pass
+if (window[ENTRY_ID])
+  throw new Error('This error is expected! It means you have installed two copy of this script. Please remove one.')
+// @ts-expect-error pass
+window[ENTRY_ID] = true
 
 const oldSetHeader = XMLHttpRequest.prototype.setRequestHeader