fix: composer crashed when delete the dialog (microsoft#2290)

Co-authored-by: Dong Lei <[email protected]>
sangwoohaan · Mar 17, 2020 · 97b9698 · 97b9698
1 parent 7e53610
commit 97b9698
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Composer/packages/client/src/utils/luFileStatusStorage.ts b/Composer/packages/client/src/utils/luFileStatusStorage.ts
@@ -32,8 +32,10 @@ class LuFileStatusStorage {
   }
 
   public removeFile(botName: string, fileId: string) {
-    delete this._all[botName][fileId];
-    this.storage.set(KEY, this._all);
+    if (typeof this._all[botName]?.[fileId] !== 'undefined') {
+      delete this._all[botName][fileId];
+      this.storage.set(KEY, this._all);
+    }
   }
 
   public createFile(botName: string, fileId: string) {