Mastery Points
0
File System (fs) in nodejs
Context & Logic
The fs module provides file system operations like reading, writing, and deleting files. Both synchronous and asynchronous APIs are available. The promises API (fs.promises) is preferred for modern async/await patterns.
Example
import { readFile, writeFile } from 'fs/promises';
async function processFile() {
const data = await readFile('input.txt', 'utf8');
await writeFile('output.txt', data.toUpperCase());
}Using the promises API for clean async file operations.