What are endpoints in SvelteKit?

In SvelteKit, endpoints are server-side modules that handle HTTP requests. They are defined as +server.js (or +server.ts) files inside the src/routes directory. Endpoints allow you to create API routes for fetching, creating, updating, or deleting data.

Example: Simple GET Endpoint

You can fetch this endpoint from a Svelte page or component using fetch:

Fetching Endpoint in +page.js

Receiving Data in +page.svelte

Endpoints can define handlers for different HTTP methods like POST, PUT, DELETE, etc. Each method is exported as a function.

Example: POST Endpoint

Best practices for endpoints:

Endpoints live in src/routes and use +server.js or +server.ts files.
Use endpoints for server-side logic, APIs, and handling HTTP requests.
They integrate seamlessly with load() for fetching data in pages.
Each HTTP method is defined as a separate exported function (GET, POST, etc.).
Always set appropriate response headers, e.g., Content-Type: application/json.

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