Add --cache-location for --incremental mode

[Jojoshua]

Description

Currently, --incremental hardcodes the cache to .svelte-kit or .svelte-check. On build servers (e.g., restricted CI environments), we often need to point cache outputs to specific global or shared volumes and then cache won't be wiped

Proposed solution

Introduce something like one of the following:
--cache-location (similar as https://eslint.org/docs/latest/use/command-line-interface)
--tsBuildInfoFile flag (similar as https://www.typescriptlang.org/tsconfig/#incremental)

Example Usage

# Redirect cache to a specific CI-mapped folder
svelte-check --incremental --cache-location ./node_modules/.cache/svelte-check

Alternatives

No response

Additional Information, eg. Screenshots

No response

[jasonlyu123]

The cache directory is the actual type-check target for TypeScript. Not sure if TypeScript has any difference when handling files in the node_modules. Is it possible that you just copy the .svelte-check directory into whatever directory you want for the cache?

[Jojoshua]

The cache directory is the actual type-check target for TypeScript. Not sure if TypeScript has any difference when handling files in the node_modules. Is it possible that you just copy the .svelte-check directory into whatever directory you want for the cache?

I should have listed that as an alternative. We could do that, just adds an extra step but would likely work