revert runtime

Author: sxzz

packages/runtime-vapor/src/componentEmits.ts

@@ -74,17 +74,10 @@ export function emit(
   // TODO: warn
 
   let handlerName
-  let handler
-  for (let rawProp of rawProps) {
-    if (
-      (handler =
-        rawProp[(handlerName = toHandlerKey(event))] ||
-        // also try camelCase event handler (#2249)
-        rawProp[(handlerName = toHandlerKey(camelize(event)))])
-    ) {
-      break
-    }
-  }
+  let handler =
+    rawProps[(handlerName = toHandlerKey(event))] ||
+    // also try camelCase event handler (#2249)
+    rawProps[(handlerName = toHandlerKey(camelize(event)))]
   // for v-model update:xxx events, also trigger kebab-case equivalent
   // for props passed via kebab-case
   if (!handler && isModelListener) {