CODE EXAMPLE FOR JAVASCRIPT

upload image to server next js

const [image, setImage] = useState(null);
  const [createObjectURL, setCreateObjectURL] = useState(null);

  const uploadToClient = (event) => {
    if (event.target.files && event.target.files[0]) {
      const i = event.target.files[0];
      setImage(i);
      setCreateObjectURL(URL.createObjectURL(i));
    }
  };
  
  const uploadToServer = async (event) => {
    const body = new FormData();
    body.append("file", image);
    const response = await fetch("/api/file", {
      method: "POST",
      body
    });
  };


 <img src={createObjectURL} />
        <h4>Select Image</h4>
        <input type="file" name="myImage" onChange={uploadToClient} /> */}
         <button
          className="btn btn-primary"
          type="submit"
          onClick={uploadToServer}
        >
          Send to server
        </button>