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example/src/useIsMobile.ts

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+import * as React from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean>(
+    typeof window !== "undefined"
+      ? window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`).matches
+      : false
+  );
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+
+    const onChange = (event: MediaQueryListEvent) => {
+      setIsMobile(event.matches);
+    };
+
+    // Set initial value
+    setIsMobile(mql.matches);
+
+    // Add listener
+    mql.addEventListener("change", onChange);
+
+    // Cleanup
+    return () => mql.removeEventListener("change", onChange);
+  }, []);
+
+  return isMobile;
+}