From 90c35329468e1fbb5cd2c1df2e4efd5b12b4fd41 Mon Sep 17 00:00:00 2001
From: Aneryu <cyz169@gmail.com>
Date: Fri, 12 Jun 2020 23:00:37 +0800
Subject: [PATCH] fix(runtime-dom): compatibility for cases where
 event.timeStamp is 0 (#1328)

close #1325
---
 packages/runtime-dom/src/modules/events.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/runtime-dom/src/modules/events.ts b/packages/runtime-dom/src/modules/events.ts
index 57f33b6d..f146a3f8 100644
--- a/packages/runtime-dom/src/modules/events.ts
+++ b/packages/runtime-dom/src/modules/events.ts
@@ -128,7 +128,8 @@ function createInvoker(
     // the solution is simple: we save the timestamp when a handler is attached,
     // and the handler would only fire if the event passed to it was fired
     // AFTER it was attached.
-    if (e.timeStamp >= invoker.lastUpdated - 1) {
+    const timeStamp = e.timeStamp || _getNow()
+    if (timeStamp >= invoker.lastUpdated - 1) {
       callWithAsyncErrorHandling(
         patchStopImmediatePropagation(e, invoker.value),
         instance,