Foundation · @jengacore/use-mobile

useIsMobile

Viewport hook used by the sidebar and drawer.

Install

terminal

npx shadcn@latest add @jengacore/use-mobile

Without the namespace configured: npx shadcn@latest add https://ui.jengacore.com/r/<new-york-v4|base-nova>/use-mobile.json

Source

hooks/use-mobile.ts

import * as React from "react"

const MOBILE_BREAKPOINT = 768

export function useIsMobile() {
  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined)

  React.useEffect(() => {
    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`)
    const onChange = () => {
      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
    }
    mql.addEventListener("change", onChange)
    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT)
    return () => mql.removeEventListener("change", onChange)
  }, [])

  return !!isMobile
}