From cc0cc154b9506d1961d08cb29fbc29ad815bad69 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 24 Aug 2020 22:59:45 +0800
Subject: ...

---
 Timeline/ClientApp/src/app/common.ts | 88 ++++++++++++++++++------------------
 1 file changed, 44 insertions(+), 44 deletions(-)

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

diff --git a/Timeline/ClientApp/src/app/common.ts b/Timeline/ClientApp/src/app/common.ts
index 297b4a77..0a2d345f 100644
--- a/Timeline/ClientApp/src/app/common.ts
+++ b/Timeline/ClientApp/src/app/common.ts
@@ -1,44 +1,44 @@
-import React from 'react';
-import { Observable, Subject } from 'rxjs';
-
-// This error is thrown when ui goes wrong with bad logic.
-// Such as a 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 {}
-
-export function useEventEmiiter(): [() => Observable<null>, () => void] {
-  const ref = React.useRef<Subject<null> | null>(null);
-
-  return React.useMemo(() => {
-    const getter = (): Subject<null> => {
-      if (ref.current == null) {
-        ref.current = new Subject<null>();
-      }
-      return ref.current;
-    };
-    const trigger = (): void => {
-      getter().next(null);
-    };
-    return [getter, trigger];
-  }, []);
-}
-
-export function useValueEventEmiiter<T>(): [
-  () => Observable<T>,
-  (value: T) => void
-] {
-  const ref = React.useRef<Subject<T> | null>(null);
-
-  return React.useMemo(() => {
-    const getter = (): Subject<T> => {
-      if (ref.current == null) {
-        ref.current = new Subject<T>();
-      }
-      return ref.current;
-    };
-    const trigger = (value: T): void => {
-      getter().next(value);
-    };
-    return [getter, trigger];
-  }, []);
-}
+import React from "react";
+import { Observable, Subject } from "rxjs";
+
+// This error is thrown when ui goes wrong with bad logic.
+// Such as a 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 {}
+
+export function useEventEmiiter(): [() => Observable<null>, () => void] {
+  const ref = React.useRef<Subject<null> | null>(null);
+
+  return React.useMemo(() => {
+    const getter = (): Subject<null> => {
+      if (ref.current == null) {
+        ref.current = new Subject<null>();
+      }
+      return ref.current;
+    };
+    const trigger = (): void => {
+      getter().next(null);
+    };
+    return [getter, trigger];
+  }, []);
+}
+
+export function useValueEventEmiiter<T>(): [
+  () => Observable<T>,
+  (value: T) => void
+] {
+  const ref = React.useRef<Subject<T> | null>(null);
+
+  return React.useMemo(() => {
+    const getter = (): Subject<T> => {
+      if (ref.current == null) {
+        ref.current = new Subject<T>();
+      }
+      return ref.current;
+    };
+    const trigger = (value: T): void => {
+      getter().next(value);
+    };
+    return [getter, trigger];
+  }, []);
+}
-- 
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