groundwork / rules
Cursor rule0 starsChanged 50 days agoMITView on GitHub
TypeScript strictness rules
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In this repository15 other files it gives its agents.
- AGENTS.mdAGENTS.md
- CLAUDE.mdCLAUDE.md
- .github/copilot-instructions.mdCopilot instructions
- .cursor/rules/000-project.mdcCursor rule
- .cursor/rules/020-api.mdcCursor rule
- .cursor/rules/030-web.mdcCursor rule
- .cursor/rules/040-database.mdcCursor rule
- .cursor/rules/050-worker.mdcCursor rule
- .cursor/rules/060-testing.mdcCursor rule
- llms.txtllms.txt
- add-endpointSkill
- db-migrationSkill
- new-moduleSkill
- verifySkill
- write-testsSkill
The file
Files
--- description: TypeScript strictness rules globs: ['**/*.ts', '**/*.tsx'] alwaysApply: false --- - No `any` (use `unknown` and narrow), no non-null `!`, no `enum` (const tuple + union). - No `process.env` outside `config/env.ts` / `lib/env.ts`: parse env once with Zod. - Validate every boundary with Zod; infer types with `z.infer`. - Discriminated unions for states and results; exhaustive `switch`. - `satisfies` over `as`; `readonly` for data that is not mutated. - JSDoc header on every file with non-trivial logic; comments explain why, never what.
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