build: switch to oxfmt and oxlint

Author: TheGreatAxios

.github/workflows/ci.yml

@@ -23,6 +23,7 @@ jobs:
       - run: bun install --frozen-lockfile
       - run: bun run typecheck
       - run: bun run lint
+      - run: bun run format:check
       - run: bun test
       - run: bun run build
       - run: bun run contrast-test

.oxfmtrc.json

@@ -0,0 +1,4 @@
+{
+  "$schema": "./node_modules/oxfmt/configuration_schema.json",
+  "printWidth": 80
+}

.oxlintrc.json

@@ -0,0 +1,6 @@
+{
+  "$schema": "./node_modules/oxlint/configuration_schema.json",
+  "categories": {
+    "correctness": "error"
+  }
+}

CONTRIBUTING.md

@@ -28,11 +28,12 @@ consumer's data layer, not in a component — data arrives as props.
 ```sh
 bun run build          # tsc (JS + types) → Tailwind
 bun run typecheck      # tsc --noEmit
-bun run lint           # eslint .
+bun run lint           # oxlint
+bun run format:check   # oxfmt --check (`bun run format` rewrites)
 bun run dep-guard      # forbidden-import checks over src/
 ```
 
-All four must be clean before a change lands. There is no CI in this repository yet, so
+All five must be clean before a change lands. There is no CI in this repository yet, so
 running them locally is the only thing standing between a change and a release.
 `typecheck` is not negotiable and `any` is not a way past it: the escapes that exist each
 carry a comment explaining why the type system leaves no alternative, and a new one needs

IMPLEMENTATION.md

@@ -33,7 +33,7 @@ Source imports are relative and carry `.js` extensions. There is no path
 alias. `prepack` runs the build. CI runs `contrast-test` (reads `dist/styles.css`)
 and `dep-guard` after it.
 
-Other scripts: `bun run typecheck`, `bun run lint` (eslint),
+Other scripts: `bun run typecheck`, `bun run lint` (oxlint), `bun run format` / `format:check` (oxfmt),
 `bun run dep-guard` (`scripts/dep-guard.mjs` — fails if any file imports
 `@workbench/*`), `bun test`, `bun run stories` / `stories:build`
 ([Ladle](https://ladle.dev) over `stories/`).

bun.lock

@@ -34,7 +34,9 @@
     "build:css": "tailwindcss -i src/styles.css -o dist/styles.css && cp src/theme.css dist/theme.css",
     "typecheck": "tsc --noEmit",
     "test": "bun test",
-    "lint": "eslint .",
+    "lint": "oxlint",
+    "format": "oxfmt",
+    "format:check": "oxfmt --check",
     "dep-guard": "node scripts/dep-guard.mjs",
     "contrast-test": "node scripts/contrast-test.mjs",
     "stories": "ladle serve --host 127.0.0.1",
@@ -71,7 +73,6 @@
     }
   },
   "devDependencies": {
-    "@eslint/js": "^9.39.1",
     "@happy-dom/global-registrator": "^20.11.2",
     "@ladle/react": "^5.1.1",
     "@radix-ui/react-dialog": "^1.1.15",
@@ -84,14 +85,14 @@
     "@types/node": "^24.9.1",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.1",
-    "eslint": "^9.39.1",
     "lucide-react": "^1.27.0",
+    "oxfmt": "^0.70.0",
+    "oxlint": "^1.85.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "sonner": "^2.0.7",
     "tailwindcss": "^4.3.3",
-    "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.2"
+    "typescript": "^5.9.3"
   },
   "exports": {
     ".": {