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    Hook to use NProgress in a Next.js application
  
        
  
    
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  | import { useRef, useEffect } from "react"; | |
| import NProgress from "nprogress"; | |
| import Router from "next/router"; | |
| function useNProgress(showAfterMs = 300, options = {}) { | |
| const timer = useRef(null); | |
| function routeChangeStart() { | |
| const { showAfterMs } = this.props; | |
| clearTimeout(timer.current); | |
| timer.current = setTimeout(NProgress.start, showAfterMs); | |
| } | |
| function routeChangeEnd() { | |
| clearTimeout(timer.current); | |
| NProgress.done(); | |
| } | |
| useEffect(() => { | |
| if (options) { | |
| NProgress.configure(options); | |
| } | |
| Router.events.on("routeChangeStart", this.routeChangeStart); | |
| Router.events.on("routeChangeComplete", this.routeChangeEnd); | |
| Router.events.on("routeChangeError", this.routeChangeEnd); | |
| return () => { | |
| Router.events.off("routeChangeStart", this.routeChangeStart); | |
| Router.events.off("routeChangeComplete", this.routeChangeEnd); | |
| Router.events.off("routeChangeError", this.routeChangeEnd); | |
| } | |
| }, [showAfterMs, options]); | |
| } | |
| export default useNProgess; | 
  
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