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How to implement NextAuth.js with SvelteKit and headless WordPress


To implement NextAuth.js with SvelteKit and headless WordPress, follow these steps:

1. Install WPGraphQL:
- Install the WPGraphQL plugin to enable GraphQL support for your WordPress site[1][5].

2. Configure WPGraphQL:
- Configure WPGraphQL to expose the necessary data and schema for your WordPress site[1][5].

3. Install NextAuth.js:
- Install NextAuth.js using npm or yarn[4].

4. Configure NextAuth.js:
- Configure NextAuth.js to use the WPGraphQL API for authentication and data retrieval[4].

5. Set up Authentication:
- Set up authentication using NextAuth.js, including sign-up, login, and logout functionality[4].

6. Integrate with SvelteKit:
- Integrate NextAuth.js with SvelteKit using the `@auth/sveltekit` package[4].

7. Use GraphQL API:
- Use the GraphQL API provided by WPGraphQL to fetch data and perform queries in your SvelteKit application[1][5].

8. Handle Authentication Errors:
- Handle authentication errors and exceptions in your SvelteKit application[4].

9. Test and Debug:
- Test and debug your authentication setup to ensure it works correctly and securely[4].

By following these steps, you can implement NextAuth.js with SvelteKit and headless WordPress, providing a secure and efficient authentication system for your web application.

Citations:
[1] https://kinsta.com/blog/wordpress-sveltekit/
[2] https://github.com/nextauthjs/next-auth/discussions/3927
[3] https://github.com/nextauthjs/next-auth/discussions/1966
[4] https://frontendmasters.com/blog/using-nextauth-now-auth-js-with-sveltekit/
[5] https://www.okupter.com/blog/headless-wordpress-graphql-sveltekit