refactored Navbar component

src/hooks/useDebounce.js

@@ -0,0 +1,25 @@
+import { useState, useEffect } from 'react'
+
+export const useDebounce = (value, delay) => {
+  // State and setters for debounced value
+  const [debouncedValue, setDebouncedValue] = useState(value)
+
+  useEffect(
+    () => {
+      // Update debounced value after delay
+      const handler = setTimeout(() => {
+        setDebouncedValue(value)
+      }, delay)
+
+      // Cancel the timeout if value changes (also on delay change or unmount)
+      // This is how we prevent debounced value from updating if value is changed ...
+      // .. within the delay period. Timeout gets cleared and restarted.
+      return () => {
+        clearTimeout(handler)
+      }
+    },
+    [value, delay] // Only re-call effect if value or delay changes
+  )
+
+  return debouncedValue
+}