feat: add GitHub Actions workflow

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [master]
+  push:
+    branches: [master]
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - name: Install dependencies
+        run: npm install -g pnpm && pnpm install
+      - name: Run linting
+        run: pnpm lint
+
+  e2e:
+    name: Playwright Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+      - name: Install dependencies
+        run: npm install -g pnpm && pnpm install
+      - name: Install Playwright browsers
+        working-directory: ./test-harness
+        run: pnpm install && pnpm exec playwright install --with-deps
+      - name: Run Playwright tests
+        working-directory: ./test-harness
+        run: pnpm e2e
+      - uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report
+          path: test-harness/playwright-report/
+          retention-days: 30

package.json

@@ -40,7 +40,7 @@
   "homepage": "https://github.com/Backgammonist/backgammon-board#readme",
   "peerDependencies": {
     "react": "^17.0.0 || ^18.0.0 || ^19.0.0",
-    "react-dom": "^17.0.0. || ^18.0.0 || ^19.0.0"
+    "react-dom": "^17.0.0 || ^18.0.0 || ^19.0.0"
   },
   "resolutions": {
     "typescript-eslint": "^8.15.0"

vite.config.ts

@@ -3,7 +3,6 @@ import react from "@vitejs/plugin-react";
 import { resolve } from "path";
 import dts from "vite-plugin-dts";
 
-// https://vite.dev/config/
 export default defineConfig({
   plugins: [react(), dts({ include: ["src"] })],
   build: {
@@ -12,7 +11,6 @@ export default defineConfig({
       name: "BackgammonBoard",
       fileName: (format) => `index.${format === "es" ? "js" : "umd.cjs"}`,
     },
-    // sourcemap: true,
     rollupOptions: {
       external: ["react", "react-dom"],
       output: {