celustka.devNotes on Svelte, TypeScript, monorepos, frontend tooling and shipping things. Mostly written right after something broke.https://celustka.dev/enWhy typed ESLint on Svelte files was 4× slower than it needed to behttps://celustka.dev/blog/eslint-svelte-extra-file-extensions/https://celustka.dev/blog/eslint-svelte-extra-file-extensions/One parser option set in the wrong config block made typescript-eslint reload the whole TypeScript project dozens of times per lint run.Sat, 24 Oct 2026 00:00:00 GMTsvelteeslinttypescripttooling