Day 1/90: TypeScript setup and first types - TypeScript in practice

📰 Dev.to · Naveen Karasu

Learn to set up TypeScript and create your first types for immediate practical application

beginner Published 23 Apr 2026

Action Steps

Install Node.js and a code editor to begin setting up TypeScript
Run 'npm install -g typescript' to install TypeScript globally
Create a new TypeScript project using 'tsc --init' to generate a tsconfig.json file
Configure your tsconfig.json file to suit your project needs
Build and compile your first TypeScript file to see the setup in action

Who Needs to Know This

Junior developers and teams looking to adopt TypeScript can benefit from this walkthrough to get started quickly and effectively

Key Insight

💡 Setting up TypeScript and creating your first types can be done quickly and pays off immediately in terms of code quality and maintainability