tmu
34e9b52ee8
Cleaner separation of concerns:
- options.typeAware: true in .oxlintrc.json activates type-aware
rules declaratively (equivalent to --type-aware CLI flag, but
the script command stays clean: just 'oxlint ...')
- Remove the 3 type-aware rule disables from .oxlintrc.json
- Add source-level oxlint-disable directives instead:
- 4x typescript/no-unsafe-type-assertion (pattern.ts: keysMatch
Object.keys() cast, candidate[] cast; structuralMatcher value
as S cast; match.ts: handler as ... cast in nextCases)
- 1x typescript/no-unnecessary-type-parameters (pattern.ts:
keysMatch <S extends object>)
- 1x file-level typescript/no-floating-promises in index.test.ts
(expectTypeOf() is a sync type-assertion library that the
type-aware linter misidentifies)
Disabling rules at the source (next to the line that needs the
exemption) documents intent more clearly than a global config
override, and makes the trade-off visible to anyone reading the
code. Re-enabling a rule in the future only requires removing the
inline comment, not editing a central config.
56 lines
3.2 KiB
Markdown
56 lines
3.2 KiB
Markdown
# tiny-pattern-ts
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Pattern matching for TypeScript/ESM environments (F#-style, not regex).
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## Development
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- **Build:** `npm run build`
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- **Test:** `npm run test`, `npm run test:ci`
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- **Checks:** `npm run check`, `npm run fix`
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- **Format/Fix:** `npm run fix:oxfmt`, `npm run fix:oxlint`
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### Tooling
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- **TypeScript 7** — type checker and build (`tsc`).
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- **node --test** + `--experimental-strip-types` — test runner (Node 22.6+, flag dropped on Node 24).
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- **c8** — code coverage for `test:ci`.
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- **oxlint** — Rust-based linter. Type-aware rules are enabled via `options.typeAware: true` in `.oxlintrc.json` (powered by `oxlint-tsgolint`).
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- **oxlint-tsgolint** — type-aware linting via typescript-go (declarative via `.oxlintrc.json`, no CLI flag). Catches unsafe type assertions, unnecessary type parameters, and other type-system issues that regular oxlint can't see. Source-level `oxlint-disable` directives are used to silence known false positives (e.g., `expectTypeOf()` in test files).
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- **oxfmt** — Rust-based formatter (Prettier-compatible). Formats JS/TS, JSON/JSONC, YAML, Markdown, MDX, and more; built-in `package.json` key sorting replaces `sort-package-json`.
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- **cspell** — spell checking.
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- **knip** — finds unused dependencies, exports, and files. Scoped via `--include dependencies,exports,files` to skip the noisy `types` category (which produces false positives for libraries whose exported types are part of the public API).
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- **publint** — validates `package.json` for ESM publishing correctness. Runs on publish only (in CI), not as part of `npm run check`.
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- **@arethetypeswrong/cli** (`attw`) — validates `.d.ts` declarations against multiple module-resolution scenarios. Runs on publish only with `--profile esm-only` (the package is intentionally ESM-only).
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- **lefthook** — git pre-commit hooks.
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### Requirements
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- Node.js >= 26 (engines field; pinned via `.node-version`).
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## VSCode integration
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- Recommended extensions: see `.vscode/extensions.json` (oxc, cspell).
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- TypeScript 7 is used via the `typescriptteam.native-preview` extension.
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- oxc extension provides oxlint squiggles and oxfmt format-on-save.
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## Workflows
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- Version updates via `npm version`.
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- Publishing via GitHub Actions on tagged commits (see `.github/workflows/ci.yml`); the `publish` job runs `publish:publint` and `publish:attw` before `npm publish`.
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## Script prefix convention
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Script names follow a prefix convention that signals _when_ they run:
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- `check:*` — read-only verification. Aggregated by `npm run check`. Used in pre-commit hooks and CI's build job.
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- `fix:*` — mutating counterpart of `check:*`. Run individually (no `npm run fix` aggregator by design — fixes should be intentional, not batched).
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- `test:*` — test scripts. `npm run test` runs the full suite; `test:unit` / `test:ci` are scope-specific variants.
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- `publish:*` — runs only at publish time, in the CI `publish` job (immediately before `npm publish`). There is no local `npm run publish` script — publishing is CI-only by policy.
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## Contribution guidelines
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- Commit signing (GPG).
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- Set up commit message template: `npm run use:git-commit-message`.
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- See `commit-message-template`.
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- Type-only tests use `expect-type`'s `expectTypeOf(...)` inside `node --test` cases.
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