Uppercase handler names (`export function GET() {...}` etc)

Describe the problem

Details in this discussion. Consensus seems to be that this is a positive change.

Describe the proposed solution

Replace this…

// src/routes/some-endpoint.js
export function get({ params }) {...}
export function del({ params, request }) {...}

…with this:

// src/routes/some-endpoint.js
export function GET({ params }) {...}
export function DELETE({ params, request }) {...}

Alternatives considered

Not doing this.

Importance

nice to have

Additional Information

No response

[Rich-Harris]

No, that’s a bad idea. APIs should be as explicit and non-magical as possible — loosey-goosey things like accepting get or GET or Get or gEt create confusing documentation and pointless debates over best practice

[Conduitry]

GitHub permissions are highly mysterious. I’ve just marked that PR as draft, but for the record, I am in favor of this change.