ci: add test workflow with coverage and update configs

.changeset/brave-mammals-repair.md

@@ -0,0 +1,5 @@
+---
+"@bnidev/js-utils": patch
+---
+
+chore: set up `vitest` configuration with coverage reporting (#4)

.changeset/busy-snails-knock.md

@@ -0,0 +1,5 @@
+---
+"@bnidev/js-utils": patch
+---
+
+ci: add GitHub Actions workflow to run tests with `vitest` (#4)

.github/workflows/build.yaml → .github/workflows/ci.yaml

@@ -1,4 +1,4 @@
-name: Verify Build and Lint
+name: CI
 
 on:
   push:
@@ -32,10 +32,39 @@ jobs:
       - name: Run Biome
         run: pnpm run check
 
+  test:
+    name: Run Tests
+    runs-on: ubuntu-latest
+    needs: lint
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v2
+        with:
+          version: 10
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Run Tests
+        run: pnpm run test:coverage
+        env:
+          CI: true
+
   build:
     name: Build Package
     runs-on: ubuntu-latest
-    needs: lint
+    needs:
+      - lint
+      - test
 
     steps:
       - name: Checkout code

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 dist
+coverage

README.md

@@ -4,6 +4,7 @@ A collection of modern, typed JavaScript utility functions for working with arra
 
 [![npm version](https://img.shields.io/npm/v/@bnidev/js-utils.svg)](https://www.npmjs.com/package/@bnidev/js-utils)
 [![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
+[![CI](https://github.com/bnidev/js-utils/actions/workflows/build.yaml/badge.svg)](https://github.com/bnidev/js-utils/actions/workflows/build.yaml)
 
 ## ✨ Features
 
@@ -45,7 +46,7 @@ You can find the full documentation for all utility functions, including paramet
 
 Generated automatically using [TypeDoc](https://typedoc.org/).
 
-## Development & Testing
+## 🧪 Development & Testing
 
 To run lint and formatting checks:
 

biome.json

@@ -7,7 +7,13 @@
   },
   "files": {
     "ignoreUnknown": false,
-    "includes": ["**", "!**/node_modules/**", "!**/dist/**", "!**/docs/**"]
+    "includes": [
+      "**",
+      "!**/node_modules/**",
+      "!**/dist/**",
+      "!**/docs/**",
+      "!**/coverage/**"
+    ]
   },
   "formatter": {
     "enabled": true,

package.json

@@ -10,7 +10,11 @@
     "build": "tsup src/index.ts --format cjs,esm --dts --out-dir dist",
     "docs:build": "typedoc --out docs src/index.ts --plugin typedoc-github-theme --tsconfig tsconfig.json",
     "check": "biome check .",
-    "check:fix": "biome check --write ."
+    "check:fix": "biome check --write .",
+    "test": "vitest",
+    "test:watch": "vitest --watch",
+    "test:coverage": "vitest run --coverage",
+    "test:coverage:gh": "vitest run --coverage --reporter=default --reporter=github-actions-verbose"
   },
   "files": [
     "dist",
@@ -49,9 +53,12 @@
   "devDependencies": {
     "@biomejs/biome": "2.0.0",
     "@changesets/cli": "^2.29.5",
+    "@vitest/coverage-v8": "3.2.4",
+    "happy-dom": "^18.0.1",
     "tsup": "^8.5.0",
     "typedoc": "^0.28.5",
     "typedoc-github-theme": "^0.3.0",
-    "typescript": "^5.8.3"
+    "typescript": "^5.8.3",
+    "vitest": "^3.2.4"
   }
 }