From e326506465d26e82f81fc95abc587fe911295ab3 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 8 Aug 2020 19:15:38 +0800
Subject: ...

---
 Timeline/ClientApp/src/app/data/SyncStatusHub.ts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Timeline/ClientApp/src/app/data/SyncStatusHub.ts

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

diff --git a/Timeline/ClientApp/src/app/data/SyncStatusHub.ts b/Timeline/ClientApp/src/app/data/SyncStatusHub.ts
new file mode 100644
index 00000000..ed84f056
--- /dev/null
+++ b/Timeline/ClientApp/src/app/data/SyncStatusHub.ts
@@ -0,0 +1,19 @@
+export class SyncStatusHub {
+  private map = new Map<string, boolean>();
+
+  get(key: string): boolean {
+    return this.map.get(key) ?? false;
+  }
+
+  begin(key: string): void {
+    this.map.set(key, true);
+  }
+
+  end(key: string): void {
+    this.map.set(key, false);
+  }
+}
+
+export const syncStatusHub = new SyncStatusHub();
+
+export default syncStatusHub;
-- 
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