fix(runtime-core): fix multiple .once event handlers on same component (#3904)

fix #3902
2021-06-08 21:52:45 +08:00
parent 2b52d5d7c5
commit 011dee8644
2 changed files with 10 additions and 3 deletions
--- a/packages/runtime-core/src/componentEmits.ts
+++ b/packages/runtime-core/src/componentEmits.ts
@@ -149,10 +149,11 @@ export function emit(
  const onceHandler = props[handlerName + `Once`]
  if (onceHandler) {
    if (!instance.emitted) {
-      ;(instance.emitted = {} as Record<string, boolean>)[handlerName] = true
+      instance.emitted = {} as Record<any, boolean>
    } else if (instance.emitted[handlerName]) {
      return
    }
+    instance.emitted[handlerName] = true
    callWithAsyncErrorHandling(
      onceHandler,
      instance,