Next.js File Upload: The Ultimate Lightweight Solution for Effortless File Handling and Integration With Next.js Project
Tags: nextjs, javascript, mern, webdev
Published: 2024-02-28 08:13:15

Next-File is a lightweight npm package tailored for file management within Next.js applications. It simplifies the process of uploading files to your Next.js server and provides an easy-to-use interface for deleting files when they are no longer needed. With seamless integration into Next.js projects, this package offers robust functionality to handle file uploads and deletions efficiently, enhancing the development experience for Next.js developers.


Install Using NPM

```js
npm i next-file
```

Install Using Yarn

```js
yarn add next-file
```

Features:

- File Upload: Easily upload files to your Next.js server with minimal configuration.
- File Deletion: Delete files from your server effortlessly when they are no longer required.
- Supported Formats: Supports a wide range of file formats including images, documents, and more.
- Error Handling: Provides comprehensive error handling to ensure smooth file management operations.
- Lightweight: Designed to be lightweight and unobtrusive, minimizing overhead and optimizing performance.
- Next.js Integration: Seamlessly integrates into Next.js projects, maintaining compatibility with the Next.js ecosystem.

Example File Upload Form Next.js Route


```js
export async function POST(req,res) {
    try{
        let result=await Upload(req,"files",['jpg','png','pdf'])
        return NextResponse.json({status:"success",data:result})
    }
    catch (e) {
        return  NextResponse.json({status:"fail",data:e})
    }
}
```


Example File Delete Form Next.js Route

```js
export async function DELETE(req,res) {
    try{
        const filePath = './public/files/1709098593107_demo.png';
        let result=await deleteFile(filePath)
        return NextResponse.json({status:"success",data:result})
    }
    catch (e) {
        return  NextResponse.json({status:"fail",data:e})
    }
}
```


Example Multipart Form Data Request Using Axios From React Component

```js
import React, { useState } from 'react';
import axios from 'axios';

const FileUploadForm = () => {
  const [selectedFile, setSelectedFile] = useState(null);

  const handleFileChange = (event) => {
    setSelectedFile(event.target.files[0]);
  };

  const handleSubmit = async (event) => {
    event.preventDefault();

    if (!selectedFile) {
      alert('Please select a file');
      return;
    }

    try {
      const formData = new FormData();
      formData.append('file', selectedFile);

      const response = await axios.post('http://localhost:3000/api/upload', formData, {
        headers: {
          'Content-Type': 'multipart/form-data'
        }
      });

      console.log('File uploaded successfully:', response.data);
    } catch (error) {
      console.error('Error uploading file:', error);
    }
  };

  return (
    <div>
      <h2>File Upload</h2>
      <form onSubmit={handleSubmit}>
        <input type="file" onChange={handleFileChange} />
        <button type="submit">Upload</button>
      </form>
    </div>
  );
};

export default FileUploadForm;
```




Example Multipart Form Data Request Using Fetch API From React Component

```js
import React, { useState } from 'react';

const FileUploadForm = () => {
  const [selectedFile, setSelectedFile] = useState(null);

  const handleFileChange = (event) => {
    setSelectedFile(event.target.files[0]);
  };

  const handleSubmit = async (event) => {
    event.preventDefault();

    if (!selectedFile) {
      alert('Please select a file');
      return;
    }

    try {
      const formData = new FormData();
      formData.append('file', selectedFile);

      const response = await fetch('http://localhost:3000/api/upload', {
        method: 'POST',
        body: formData
      });

      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`);
      }

      const data = await response.json();
      console.log('File uploaded successfully:', data);
    } catch (error) {
      console.error('Error uploading file:', error);
    }
  };

  return (
    <div>
      <h2>File Upload</h2>
      <form onSubmit={handleSubmit}>
        <input type="file" onChange={handleFileChange} />
        <button type="submit">Upload</button>
      </form>
    </div>
  );
};

export default FileUploadForm;
```


GitHub: https://github.com/rupomsoft/Next-File
NPM: https://www.npmjs.com/package/next-file