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Functions: usePathname | Next.js

usePathname is a Client Component hook that lets you read the current URL's pathname.

'use client'
 
import { usePathname } from 'next/navigation'
 
export default function ExampleClientComponent() {
  const pathname = usePathname()
  return <p>Current pathname: {pathname}</p>
}

usePathname intentionally requires using a Client Component. It's important to note Client Components are not a de-optimization. They are an integral part of the Server Components architecture.

For example, a Client Component with usePathname will be rendered into HTML on the initial page load. When navigating to a new route, this component does not need to be re-fetched. Instead, the component is downloaded once (in the client JavaScript bundle), and re-renders based on the current state.

Good to know:

• Reading the current URL from a Server Component is not supported. This design is intentional to support layout state being preserved across page navigations.
• Compatibility mode:
  • usePathname can return null when a fallback route is being rendered or when a pages directory page has been automatically statically optimized by Next.js and the router is not ready.
  • When using usePathname with rewrites in next.config or Middleware, useState and useEffect must also be used in order to avoid hydration mismatch errors.
  • Next.js will automatically update your types if it detects both an app and pages directory in your project.

const pathname = usePathname()

usePathname does not take any parameters.

usePathname returns a string of the current URL's pathname. For example:

'use client'
 
import { usePathname, useSearchParams } from 'next/navigation'
 
function ExampleClientComponent() {
  const pathname = usePathname()
  const searchParams = useSearchParams()
  useEffect(() => {
    // Do something here...
  }, [pathname, searchParams])
}

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