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How to Read a File as Buffer in Node.js

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When we work with file systems in Node.js, we often use buffer to work with files which gives us much more flexibility with standard API.

Here is how to read a file as a buffer in Node.js

import fs from 'fs/promises';

const filePath = 'path/to/file'

// Promise-based code

fs.readFile(filePath).then(fileBuffer => {
    // your logic here
})


// async/await code
const fileBuffer = await fs.readFile(filePath);

Happy reading buffers!