All files / hooks use-mobile.ts

90.9% Statements 10/11

100% Branches 0/0

75% Functions 3/4

90% Lines 9/10

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  
 
1x
 
 
122x
 
122x
26x
26x
 
 
26x
26x
26x
 
 
122x
 
  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
}