Minor optimizations

src/hooks/useEnsureMessage.ts

@@ -1,29 +1,19 @@
-import { useEffect, useMemo } from '../lib/teact/teact';
+import { useEffect } from '../lib/teact/teact';
 import { getActions } from '../global';
 
 import type { ApiMessage } from '../api/types';
 
-import { throttle } from '../util/schedulers';
-
-const useEnsureMessage = (
+export default function useEnsureMessage(
   chatId: string,
   messageId?: number,
   message?: ApiMessage,
   replyOriginForId?: number,
-) => {
+) {
   const { loadMessage } = getActions();
-  const loadMessageThrottled = useMemo(() => {
-    const throttled = throttle(loadMessage, 500, true);
-    return () => {
-      throttled({ chatId, messageId: messageId!, replyOriginForId: replyOriginForId! });
-    };
-  }, [loadMessage, chatId, messageId, replyOriginForId]);
 
   useEffect(() => {
     if (messageId && !message) {
-      loadMessageThrottled();
+      loadMessage({ chatId, messageId: messageId!, replyOriginForId: replyOriginForId! });
     }
-  });
-};
-
-export default useEnsureMessage;
+  }, [chatId, message, messageId, replyOriginForId]);
+}

src/hooks/useFastClick.ts

@@ -1,20 +1,21 @@
 import type React from '../lib/teact/teact';
 
 import { IS_TOUCH_ENV, MouseButton } from '../util/windowEnvironment';
+import useLastCallback from './useLastCallback';
 
 type EventArg<E> = React.MouseEvent<E>;
 type EventHandler<E> = (e: EventArg<E>) => void;
 
 export function useFastClick<T extends HTMLDivElement | HTMLButtonElement>(callback?: EventHandler<T>) {
-  const wrapperHandler = callback ? (e: EventArg<T>) => {
+  const handler = useLastCallback((e: EventArg<T>) => {
     if (e.type === 'mousedown' && e.button !== MouseButton.Main) {
       return;
     }
 
-    callback(e);
-  } : undefined;
+    callback!(e);
+  });
 
   return IS_TOUCH_ENV
-    ? { handleClick: wrapperHandler }
-    : { handleMouseDown: wrapperHandler };
+    ? { handleClick: callback ? handler : undefined }
+    : { handleMouseDown: callback ? handler : undefined };
 }

src/lib/teact/teact.ts

@@ -313,7 +313,7 @@ document.addEventListener('dblclick', () => {
     Object
       .values(DEBUG_components)
       .map(({ avgRenderTime, ...state }) => {
-        return { ...state, ...(avgRenderTime && { avgRenderTime: Number(avgRenderTime.toFixed(2)) }) };
+        return { ...state, ...(avgRenderTime !== undefined && { avgRenderTime: Number(avgRenderTime.toFixed(2)) }) };
       }),
     'renders',
     'desc',