Currency Converter Project in Node.js

Currency Converter Project in Node.js — a practical guide to Node.js currency converter with clear examples you can reuse in real projects.

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Short description

Combine CLI args, number parsing, and API/data lookup to build a practical converter utility.

Basic converter

const rates = { USD: 1, INR: 83, EUR: 0.92 };
const [,, amount, from = 'USD', to = 'INR'] = process.argv;
const value = Number(amount);
const result = (value / rates[from]) * rates[to];
console.log(`${value} ${from} = ${result.toFixed(2)} ${to}`);