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Table Of Contents
Clean Code with TypeScript
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One of the most significant contributions of Node.js was giving developers the ability to run JavaScript outside the browser. This opened the door to full stack development, where teams could build both frontend and backend applications using the same language. With TypeScript, this story gets even stronger: we gain type safety, better tooling, and a more reliable foundation for collaboration across the stack.
In this section, we'll focus on developing the backend for our devjobs application using TypeScript and NestJS. Our goal is to see how professional teams approach building type-safe APIs that improve collaboration with frontend developers and reduce runtime errors. Since we've already set up the project structure, we'll dive straight into the implementation, starting with the contract-first approach, where we define shared schemas and DTOs, lightweight data structures that standardize how information is exchanged between the client...