Upgrade nextjs version and fix example

apps/nextjs-app/app/Home.tsx

@@ -0,0 +1,76 @@
+'use client'
+
+import { FFmpeg } from '@ffmpeg/ffmpeg'
+import { fetchFile, toBlobURL } from '@ffmpeg/util'
+import { useRef, useState } from 'react'
+
+export default function Home() {
+  const [loaded, setLoaded] = useState(false)
+  const [isLoading, setIsLoading] = useState(false)
+  const ffmpegRef = useRef(new FFmpeg())
+  const videoRef = useRef<HTMLVideoElement | null>(null)
+  const messageRef = useRef<HTMLParagraphElement | null>(null)
+
+  const load = async () => {
+    setIsLoading(true)
+    const baseURL = 'https://unpkg.com/@ffmpeg/core@0.12.4/dist/umd'
+    const ffmpeg = ffmpegRef.current
+    ffmpeg.on('log', ({ message }) => {
+      if (messageRef.current) messageRef.current.innerHTML = message
+    })
+    // toBlobURL is used to bypass CORS issue, urls with the same
+    // domain can be used directly.
+    await ffmpeg.load({
+      coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, 'text/javascript'),
+      wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, 'application/wasm')
+    })
+    setLoaded(true)
+    setIsLoading(false)
+  }
+
+  const transcode = async () => {
+    const ffmpeg = ffmpegRef.current
+    // u can use 'https://ffmpegwasm.netlify.app/video/video-15s.avi' to download the video to public folder for testing
+    await ffmpeg.writeFile('input.avi', await fetchFile('https://raw.githubusercontent.com/ffmpegwasm/testdata/master/video-15s.avi'))
+    await ffmpeg.exec(['-i', 'input.avi', 'output.mp4'])
+    const data = (await ffmpeg.readFile('output.mp4')) as any
+    if (videoRef.current)
+      videoRef.current.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }))
+  }
+
+  return loaded ? (
+    <div className="fixed top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%]">
+      <video ref={videoRef} controls></video>
+      <br />
+      <button
+        onClick={transcode}
+        className="bg-green-500 hover:bg-green-700 text-white py-3 px-6 rounded"
+      >
+        Transcode avi to mp4
+      </button>
+      <p ref={messageRef}></p>
+    </div>
+  ) : (
+    <button
+      className="fixed top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%] flex items-center bg-blue-500 hover:bg-blue-700 text-white py-2 px-4 rounded"
+      onClick={load}
+    >
+      Load ffmpeg-core
+      {isLoading && (
+        <span className="animate-spin ml-3">
+          <svg
+            viewBox="0 0 1024 1024"
+            focusable="false"
+            data-icon="loading"
+            width="1em"
+            height="1em"
+            fill="currentColor"
+            aria-hidden="true"
+          >
+            <path d="M988 548c-19.9 0-36-16.1-36-36 0-59.4-11.6-117-34.6-171.3a440.45 440.45 0 00-94.3-139.9 437.71 437.71 0 00-139.9-94.3C629 83.6 571.4 72 512 72c-19.9 0-36-16.1-36-36s16.1-36 36-36c69.1 0 136.2 13.5 199.3 40.3C772.3 66 827 103 874 150c47 47 83.9 101.8 109.7 162.7 26.7 63.1 40.2 130.2 40.2 199.3.1 19.9-16 36-35.9 36z"></path>
+          </svg>
+        </span>
+      )}
+    </button>
+  )
+}

apps/nextjs-app/app/NoSSRWrapper.tsx

@@ -0,0 +1,8 @@
+import dynamic from 'next/dynamic'
+import React from 'react' 
+const NoSSRWrapper = props => ( 
+    <React.Fragment>{props.children}</React.Fragment> 
+) 
+export default dynamic(() => Promise.resolve(NoSSRWrapper), { 
+    ssr: false 
+})

apps/nextjs-app/app/page.tsx

@@ -1,76 +1,8 @@
 'use client'
 
-import { FFmpeg } from '@ffmpeg/ffmpeg'
-import { fetchFile, toBlobURL } from '@ffmpeg/util'
-import { useRef, useState } from 'react'
+import NoSSRWrapper from "./NoSSRWrapper";
+import Home from "./Home";
 
-export default function Home() {
-  const [loaded, setLoaded] = useState(false)
-  const [isLoading, setIsLoading] = useState(false)
-  const ffmpegRef = useRef(new FFmpeg())
-  const videoRef = useRef<HTMLVideoElement | null>(null)
-  const messageRef = useRef<HTMLParagraphElement | null>(null)
-
-  const load = async () => {
-    setIsLoading(true)
-    const baseURL = 'https://unpkg.com/@ffmpeg/core@0.12.4/dist/umd'
-    const ffmpeg = ffmpegRef.current
-    ffmpeg.on('log', ({ message }) => {
-      if (messageRef.current) messageRef.current.innerHTML = message
-    })
-    // toBlobURL is used to bypass CORS issue, urls with the same
-    // domain can be used directly.
-    await ffmpeg.load({
-      coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, 'text/javascript'),
-      wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, 'application/wasm')
-    })
-    setLoaded(true)
-    setIsLoading(false)
-  }
-
-  const transcode = async () => {
-    const ffmpeg = ffmpegRef.current
-    // u can use 'https://ffmpegwasm.netlify.app/video/video-15s.avi' to download the video to public folder for testing
-    await ffmpeg.writeFile('input.avi', await fetchFile('video-15s.avi'))
-    await ffmpeg.exec(['-i', 'input.avi', 'output.mp4'])
-    const data = (await ffmpeg.readFile('output.mp4')) as any
-    if (videoRef.current)
-      videoRef.current.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }))
-  }
-
-  return loaded ? (
-    <div className="fixed top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%]">
-      <video ref={videoRef} controls></video>
-      <br />
-      <button
-        onClick={transcode}
-        className="bg-green-500 hover:bg-green-700 text-white py-3 px-6 rounded"
-      >
-        Transcode avi to mp4
-      </button>
-      <p ref={messageRef}></p>
-    </div>
-  ) : (
-    <button
-      className="fixed top-[50%] left-[50%] translate-x-[-50%] translate-y-[-50%] flex items-center bg-blue-500 hover:bg-blue-700 text-white py-2 px-4 rounded"
-      onClick={load}
-    >
-      Load ffmpeg-core
-      {isLoading && (
-        <span className="animate-spin ml-3">
-          <svg
-            viewBox="0 0 1024 1024"
-            focusable="false"
-            data-icon="loading"
-            width="1em"
-            height="1em"
-            fill="currentColor"
-            aria-hidden="true"
-          >
-            <path d="M988 548c-19.9 0-36-16.1-36-36 0-59.4-11.6-117-34.6-171.3a440.45 440.45 0 00-94.3-139.9 437.71 437.71 0 00-139.9-94.3C629 83.6 571.4 72 512 72c-19.9 0-36-16.1-36-36s16.1-36 36-36c69.1 0 136.2 13.5 199.3 40.3C772.3 66 827 103 874 150c47 47 83.9 101.8 109.7 162.7 26.7 63.1 40.2 130.2 40.2 199.3.1 19.9-16 36-35.9 36z"></path>
-          </svg>
-        </span>
-      )}
-    </button>
-  )
+export default function Page() {
+  return <NoSSRWrapper><Home /></NoSSRWrapper>
 }

apps/nextjs-app/package.json

@@ -17,7 +17,7 @@
     "autoprefixer": "10.4.14",
     "eslint": "8.46.0",
     "eslint-config-next": "13.4.13",
-    "next": "13.5.0",
+    "next": "^14.0.4",
     "postcss": "8.4.31",
     "react": "18.2.0",
     "react-dom": "18.2.0",