From 3eced74a88de43ab9afe542fcce20a8db8e3fe60 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Mon, 22 Feb 2021 14:27:54 +0100
Subject: more tests, fix event ordering issue

---
 packages/idb-bridge/src/util/queueTask.ts | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'packages/idb-bridge/src/util')

diff --git a/packages/idb-bridge/src/util/queueTask.ts b/packages/idb-bridge/src/util/queueTask.ts
index 53563ffd2..297602c67 100644
--- a/packages/idb-bridge/src/util/queueTask.ts
+++ b/packages/idb-bridge/src/util/queueTask.ts
@@ -15,7 +15,20 @@
  */
 
 export function queueTask(fn: () => void) {
-  setImmediate(fn);
+  let called = false;
+  const callFirst = () => {
+    if (called) {
+      return;
+    }
+    called = true;
+    fn();
+  };
+  // We must schedule both of these,
+  // since on node, there is no guarantee
+  // that a setImmediate function that is registered
+  // before a setTimeout function is called first.
+  setImmediate(callFirst);
+  setTimeout(callFirst, 0);
 }
 
 export default queueTask;
-- 
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