refactor: apply spec.md code standards — ESLint 9 flat config, vitest coverage thresholds, pnpm scripts, strict tsconfig, CI workflow fixes

Author: Wscats

.DS_Store

@@ -0,0 +1,11 @@
+{
+  "extends": ["@commitlint/config-conventional"],
+  "rules": {
+    "type-enum": [
+      2, "always",
+      ["feat", "fix", "docs", "style", "refactor", "perf", "test", "build", "ci", "chore", "revert"]
+    ],
+    "subject-max-length": [2, "always", 72],
+    "body-max-line-length": [2, "always", 100]
+  }
+}

.commitlintrc.json

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+    open-pull-requests-limit: 5
+    groups:
+      dev-dependencies:
+        dependency-type: "development"

.github/dependabot.yml

@@ -7,19 +7,39 @@ on:
     branches: [main]
 
 jobs:
-  test:
+  ci:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: ['18.x', '20.x', '22.x']
+        node-version: [20, 22]
+
     steps:
       - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
-          cache: 'npm'
-      - run: npm ci
-      - run: npm run typecheck
-      - run: npm run build
-      - name: Run tests with Node.js native test runner
-        run: node --test dist/tests/**/*.test.js
+          cache: "pnpm"
+
+      - run: pnpm install --frozen-lockfile
+
+      - name: Lint
+        run: pnpm lint
+
+      - name: Type check
+        run: pnpm typecheck
+
+      - name: Test
+        run: pnpm test --coverage
+
+      - name: Build
+        run: pnpm build
+
+      - name: Upload coverage
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./coverage/lcov.info

.github/workflows/ci.yml

@@ -1,2 +1,6 @@
-node_modules
-.DS_Store
+node_modules/
+dist/
+coverage/
+.DS_Store
+*.log
+*.tsbuildinfo

.gitignore

@@ -0,0 +1 @@
+pnpm exec commitlint --edit "$1"

.husky/commit-msg

@@ -0,0 +1 @@
+pnpm exec lint-staged

.husky/pre-commit

@@ -0,0 +1,11 @@
+{
+  "semi": true,
+  "singleQuote": false,
+  "trailingComma": "all",
+  "printWidth": 100,
+  "tabWidth": 2,
+  "useTabs": false,
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "endOfLine": "lf"
+}

.prettierrc.json

@@ -0,0 +1,25 @@
+import js from "@eslint/js";
+import ts from "typescript-eslint";
+import prettier from "eslint-config-prettier";
+
+export default ts.config(
+  js.configs.recommended,
+  ...ts.configs.strictTypeChecked,
+  ...ts.configs.stylisticTypeChecked,
+  prettier,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+    },
+    rules: {
+      "@typescript-eslint/explicit-module-boundary-types": "error",
+      "@typescript-eslint/no-non-null-assertion": "error",
+      "prefer-const": "error",
+      "no-console": ["warn", { allow: ["warn", "error"] }],
+    },
+  },
+  { ignores: ["dist/", "coverage/", "*.config.*"] }
+);

eslint.config.mjs

@@ -6,18 +6,35 @@
   "scripts": {
     "dev": "tsx watch src/index.ts",
     "build": "tsc",
-    "test": "node --test",
-    "test:watch": "node --test --watch",
-    "lint": "eslint src tests --ext .ts",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsc --noEmit",
+    "lint": "eslint src tests",
+    "lint:fix": "eslint src tests --fix",
+    "format": "prettier --write .",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:coverage": "vitest run --coverage",
+    "prepare": "husky"
+  },
+  "lint-staged": {
+    "*.{ts,mts}": ["eslint --fix", "prettier --write"],
+    "*.{js,mjs,cjs}": ["prettier --write"],
+    "*.{json,md,yaml,yml}": ["prettier --write"]
   },
   "devDependencies": {
+    "@commitlint/cli": "^19.0.0",
+    "@commitlint/config-conventional": "^19.0.0",
+    "@eslint/js": "^9.0.0",
     "@types/node": "^20.0.0",
-    "@typescript-eslint/eslint-plugin": "^7.0.0",
-    "@typescript-eslint/parser": "^7.0.0",
+    "@vitest/coverage-v8": "^1.4.0",
     "eslint": "^9.0.0",
+    "eslint-config-prettier": "^9.0.0",
+    "husky": "^9.0.0",
+    "lint-staged": "^15.0.0",
+    "prettier": "^3.3.0",
     "tsx": "^4.7.0",
-    "typescript": "^5.4.0"
+    "typescript": "^5.4.0",
+    "typescript-eslint": "^7.0.0",
+    "vitest": "^1.4.0"
   },
   "dependencies": {
     "fastify": "^4.27.0"