36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
import { useEffect, useRef, useState } from "react";
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import { useRouter } from "next/router";
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/**
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* React hook for use in /404 page to enable client-side routing.
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*
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* Uses the next/router to redirect to the provided URL when loading
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* the 404 page (for example as a fallback in static hosting situations).
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*
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* @returns {boolean} routeNotFound - true if the current route is an actual 404
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*/
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export const useClientSideRouting = () => {
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const [routeNotFound, setRouteNotFound] = useState(false)
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const didRedirect = useRef(false)
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const router = useRouter()
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useEffect(() => {
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if (
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router.isReady &&
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!didRedirect.current // have not tried redirecting yet
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) {
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didRedirect.current = true // never redirect twice to avoid "Hard Navigate" error
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// attempt to redirect to the route in the browser address bar once
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router.replace({
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pathname: window.location.pathname,
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query: window.location.search.slice(1),
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})
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.catch((e) => {
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setRouteNotFound(true) // navigation failed, so this is a real 404
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})
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}
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}, [router.isReady]);
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// Return the reactive bool, to avoid flashing 404 page until we know for sure
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// the route is not found.
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return routeNotFound
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} |