Authentication in Svelte using cookies

The article provides a comprehensive guide on implementing authentication in a Svelte app using SvelteKit, focusing on the use of cookies for user authentication. It details the setup of a SvelteKit project, the creation of user interfaces for sign-in and sign-up forms, and the backend logic for handling authentication and session management. The tutorial emphasizes the importance of HTTP cookies in managing user sessions, their advantages such as persistence and client-side storage, and discusses potential security concerns. It explains the SvelteKit features like file system-based routing, server-side functions, and hooks for securing routes and accessing sessions on the client side. The article also illustrates using the parent() function to combine data from various load functions and highlights the use of SvelteKit's hooks for preventing unauthorized access to protected pages. Additionally, it introduces a mock database setup using Svelte stores for storing user data and sessions, and provides code snippets for each step, suggesting that readers can find the complete code on GitHub.