SvelteKit Auth with AWS Cognito

In late 2022, significant advancements in frontend development were announced, notably the transformation of NextAuth.js into Auth.js, expanding its authentication capabilities across various web frameworks, supported by Vercel and a robust community. This shift benefits developers using frameworks like SvelteKit, as demonstrated by the introduction of SvelteKit Auth, which facilitates authentication in SvelteKit applications through integration with AWS Cognito. The article discusses the process of building a SvelteKit app, setting up AWS Cognito, and implementing authentication using SvelteKit Auth, emphasizing the customization potential of authentication flows and the use of server-side hooks. Additionally, it covers creating a root layout and login page to manage user sessions and redirections, ensuring secure access to authenticated routes by leveraging SvelteKit's layout capabilities. Auth.js offers a versatile solution for implementing authentication in modern web applications, allowing developers to tailor authentication logic to their specific needs.