useBoolean()

1import { Dispatch, SetStateAction, useCallback, useState } from 'react'
2
3interface ReturnType {
4  value: boolean
5  setValue: Dispatch<SetStateAction<boolean>>
6  setTrue: () => void
7  setFalse: () => void
8  toggle: () => void
9}
10
11function useBoolean(defaultValue?: boolean): ReturnType {
12  const [value, setValue] = useState(!!defaultValue)
13
14  const setTrue = useCallback(() => setValue(true), [])
15  const setFalse = useCallback(() => setValue(false), [])
16  const toggle = useCallback(() => setValue(x => !x), [])
17
18  return { value, setValue, setTrue, setFalse, toggle }
19}
20
21export default useBoolean

1import { useBoolean } from 'usehooks-ts'
2
3export default function Component() {
4  const { value, setValue, setTrue, setFalse, toggle } = useBoolean(false)
5
6  // Just an example to use "setValue"
7  const customToggle = () => setValue((x: boolean) => !x)
8
9  return (
10    <>
11      <p>
12        Value is <code>{value.toString()}</code>
13      </p>
14      <button onClick={setTrue}>set true</button>
15      <button onClick={setFalse}>set false</button>
16      <button onClick={toggle}>toggle</button>
17      <button onClick={customToggle}>custom toggle</button>
18    </>
19  )
20}