From cf6cfe87b46a2a3eb2913209092ab4c5639e75c3 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 11 Jun 2020 17:27:15 +0800
Subject: feat(front): Service worker is coming!

---
 Timeline/ClientApp/src/app/common.ts | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 Timeline/ClientApp/src/app/common.ts

(limited to 'Timeline/ClientApp/src/app/common.ts')

diff --git a/Timeline/ClientApp/src/app/common.ts b/Timeline/ClientApp/src/app/common.ts
new file mode 100644
index 00000000..0b11791a
--- /dev/null
+++ b/Timeline/ClientApp/src/app/common.ts
@@ -0,0 +1,4 @@
+// This error is thrown when ui goes wrong with bad logic.
+// Such as am variable should not be null, but it does.
+// This error should never occur. If it does, it indicates there is some logic bug in codes.
+export class UiLogicError extends Error {}
-- 
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