Removed useless hooks

src/hooks/useComposition.ts

@@ -1,81 +0,0 @@
-import { useRef } from "react";
-import { usePersistFn } from "./usePersistFn";
-
-export interface UseCompositionReturn<
-  T extends HTMLInputElement | HTMLTextAreaElement,
-> {
-  onCompositionStart: React.CompositionEventHandler<T>;
-  onCompositionEnd: React.CompositionEventHandler<T>;
-  onKeyDown: React.KeyboardEventHandler<T>;
-  isComposing: () => boolean;
-}
-
-export interface UseCompositionOptions<
-  T extends HTMLInputElement | HTMLTextAreaElement,
-> {
-  onKeyDown?: React.KeyboardEventHandler<T>;
-  onCompositionStart?: React.CompositionEventHandler<T>;
-  onCompositionEnd?: React.CompositionEventHandler<T>;
-}
-
-type TimerResponse = ReturnType<typeof setTimeout>;
-
-export function useComposition<
-  T extends HTMLInputElement | HTMLTextAreaElement = HTMLInputElement,
->(options: UseCompositionOptions<T> = {}): UseCompositionReturn<T> {
-  const {
-    onKeyDown: originalOnKeyDown,
-    onCompositionStart: originalOnCompositionStart,
-    onCompositionEnd: originalOnCompositionEnd,
-  } = options;
-
-  const c = useRef(false);
-  const timer = useRef<TimerResponse | null>(null);
-  const timer2 = useRef<TimerResponse | null>(null);
-
-  const onCompositionStart = usePersistFn((e: React.CompositionEvent<T>) => {
-    if (timer.current) {
-      clearTimeout(timer.current);
-      timer.current = null;
-    }
-    if (timer2.current) {
-      clearTimeout(timer2.current);
-      timer2.current = null;
-    }
-    c.current = true;
-    originalOnCompositionStart?.(e);
-  });
-
-  const onCompositionEnd = usePersistFn((e: React.CompositionEvent<T>) => {
-    // 使用两层 setTimeout 来处理 Safari 浏览器中 compositionEnd 先于 onKeyDown 触发的问题
-    timer.current = setTimeout(() => {
-      timer2.current = setTimeout(() => {
-        c.current = false;
-      });
-    });
-    originalOnCompositionEnd?.(e);
-  });
-
-  const onKeyDown = usePersistFn((e: React.KeyboardEvent<T>) => {
-    // 在 composition 状态下，阻止 ESC 和 Enter（非 shift+Enter）事件的冒泡
-    if (
-      c.current &&
-      (e.key === "Escape" || (e.key === "Enter" && !e.shiftKey))
-    ) {
-      e.stopPropagation();
-      return;
-    }
-    originalOnKeyDown?.(e);
-  });
-
-  const isComposing = usePersistFn(() => {
-    return c.current;
-  });
-
-  return {
-    onCompositionStart,
-    onCompositionEnd,
-    onKeyDown,
-    isComposing,
-  };
-}

src/hooks/usePersistFn.ts

@@ -1,20 +0,0 @@
-import { useRef } from "react";
-
-type noop = (...args: any[]) => any;
-
-/**
- * usePersistFn instead of useCallback to reduce cognitive load
- */
-export function usePersistFn<T extends noop>(fn: T) {
-  const fnRef = useRef<T>(fn);
-  fnRef.current = fn;
-
-  const persistFn = useRef<T>(null);
-  if (!persistFn.current) {
-    persistFn.current = function (this: unknown, ...args) {
-      return fnRef.current!.apply(this, args);
-    } as T;
-  }
-
-  return persistFn.current!;
-}