reactjs - 反应 Typescript 和 useCallback

Question

我正在尝试使用 Typescript 和 useCallback，但我遇到了这个错误

Expected 0 arguments, but got 1

这是我的代码

const searchFriends = useCallback(() => (filterValue: string): void => {
    if (dataState.length <= INITIAL_FRIENDS_API_REQUEST) fetchAllFriends()
    const filterValueInsensitive = filterValue.toLowerCase()
    const filtered = dataState.filter((friend: Friends) => {
      return friend.displayName?.toLowerCase().includes(filterValueInsensitive)
    }) 
    setFriendsDisplayState(filtered)
  }, [dataState,fetchAllFriends]) 

  const handleChangeSearchInput = (
    e: React.ChangeEvent<HTMLInputElement>
  ): void => searchFriends(e.currentTarget.value) // ERROR here "Expected 0 arguments, but got 1"

知道如何解决吗？

Answer 1

您正在使用useCallback类似useMemo's. 它不需要柯里化功能。正确的写法是这样的

const searchFriends = useCallback((filterValue: string): void => {
    if (dataState.length <= INITIAL_FRIENDS_API_REQUEST) fetchAllFriends()
    const filterValueInsensitive = filterValue.toLowerCase()
    const filtered = dataState.filter((friend: Friends) => {
      return friend.displayName?.toLowerCase().includes(filterValueInsensitive)
    }) 
    setFriendsDisplayState(filtered)
  }, [dataState,fetchAllFriends])