🐛 fix the app instance count error (umijs#471)

matisha001 · Apr 20, 2020 · 07b519a · 07b519a
1 parent 6d90985
commit 07b519a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/loader.ts b/src/loader.ts
@@ -153,7 +153,7 @@ export async function loadApp<T extends object>(
   }
 
   const appInstanceId = `${appName}_${
-    appInstanceCounts.hasOwnProperty(appName) ? (appInstanceCounts[appName] ?? 0) + 1 : ''
+    appInstanceCounts.hasOwnProperty(appName) ? (appInstanceCounts[appName] += 1) : (appInstanceCounts[appName] = 0)
   }`;
 
   const strictStyleIsolation = typeof sandbox === 'object' && !!sandbox.strictStyleIsolation;