fix(scheduler): handle preFlush cb queued inside postFlush cb

fix #3806
2021-05-26 14:21:49 -04:00
parent e8ddf86080
commit b57e995edd
2 changed files with 15 additions and 1 deletions
--- a/packages/runtime-core/src/scheduler.ts
+++ b/packages/runtime-core/src/scheduler.ts
@@ -260,7 +260,11 @@ function flushJobs(seen?: CountMap) {
    currentFlushPromise = null
    // some postFlushCb queued jobs!
    // keep flushing until it drains.
-    if (queue.length || pendingPostFlushCbs.length) {
+    if (
+      queue.length ||
+      pendingPreFlushCbs.length ||
+      pendingPostFlushCbs.length
+    ) {
      flushJobs(seen)
    }
  }