# All files / src/_hooks useFocusWithin.ts

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     import React from 'react'

    interface FocusWithinApi {
      /**
       * @since 10.19.0
       */
      isFocusWithin: boolean
      /**
       * @since 10.19.0
       */
      containerProps: {
        onFocus: () => void
        onBlur: () => void
      }
    }

    export function useFocusWithin(): FocusWithinApi {
      const [isFocusWithin, setFocusWithin] = React.useState(false)

      const onBlur = React.useCallback(() => {
        Iif (isFocusWithin) {
          setFocusWithin(false)
        }
      }, [isFocusWithin])

      const onFocus = React.useCallback(() => {
        Iif (!isFocusWithin) {
          setFocusWithin(true)
        }
      }, [isFocusWithin])

      return {
        isFocusWithin,
        containerProps: {
          onFocus,
          onBlur,
        },
      }
    }