Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | 'use client'
import { useCallback, useEffect, useRef, useState } from 'react'
interface UseKeyboardInputOptions {
/** Whether input is active */
enabled: boolean
/** Called when a letter key is pressed */
onKeyPress: (letter: string) => void
}
/**
* Listens for physical keyboard a-z input.
* Returns whether a physical keyboard has been detected.
*/
export function useKeyboardInput({ enabled, onKeyPress }: UseKeyboardInputOptions) {
const [hasPhysicalKeyboard, setHasPhysicalKeyboard] = useState(false)
const onKeyPressRef = useRef(onKeyPress)
onKeyPressRef.current = onKeyPress
const handleKeyDown = useCallback(
(e: KeyboardEvent) => {
if (!enabled) return
// Only accept single letter keys a-z
if (e.key.length === 1 && /^[a-zA-Z]$/.test(e.key)) {
e.preventDefault()
setHasPhysicalKeyboard(true)
onKeyPressRef.current(e.key.toLowerCase())
}
},
[enabled]
)
useEffect(() => {
if (!enabled) return
window.addEventListener('keydown', handleKeyDown)
return () => window.removeEventListener('keydown', handleKeyDown)
}, [enabled, handleKeyDown])
return { hasPhysicalKeyboard }
}
|