useIsMobile() — ui Function Reference

Architecture documentation for the useIsMobile() function in use-mobile.ts from the ui codebase.

Function typescript ComponentRegistry UIPrimitives

Entity Profile

ComponentRegistry→ UIPrimitives→ useIsMobile() — ui Function Reference

Dependency Diagram

graph TD
  b7132de5_0735_8001_f26d_661d75333771["useIsMobile()"]
  5965388c_5364_9cb7_d346_3f80ee3593e4["use-mobile.ts"]
  b7132de5_0735_8001_f26d_661d75333771 -->|defined in| 5965388c_5364_9cb7_d346_3f80ee3593e4
  style b7132de5_0735_8001_f26d_661d75333771 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

apps/v4/registry/bases/base/hooks/use-mobile.ts lines 5–19

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
}