ci: add GitHub Actions workflow for CI

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    runs-on: ubuntu-26.04
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          persist-credentials: false
+
+      # Reads the pnpm version from the packageManager field in package.json.
+      - uses: pnpm/action-setup@73e46992e05b19abd31f2f3c20e0e7370d762115 # v6.1.1
+        with:
+          cache: true
+
+      - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version-file: .node-version
+
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm lint
+      - run: pnpm format:check
+      - run: pnpm build

.prettierignore

@@ -0,0 +1 @@
+pnpm-lock.yaml

package.json

@@ -6,7 +6,8 @@
     "build": "pnpm run --recursive --stream --parallel build",
     "test": "pnpm run --recursive --stream test",
     "lint": "eslint . --ext .ts,.js,.cjs",
-    "format": "prettier --write \"**/*.{js,ts,json,ya?ml,md}\" --ignore-path .gitignore",
+    "format": "prettier --write \"**/*.{js,cjs,mjs,ts,mts,json,yaml,yml,md}\"",
+    "format:check": "prettier --check \"**/*.{js,cjs,mjs,ts,mts,json,yaml,yml,md}\"",
     "deploy": "pnpm run build && pnpm -r publish"
   },
   "engines": {

pnpm-workspace.yaml

@@ -1,5 +1,5 @@
 packages:
-  - "packages/*"
+  - 'packages/*'
 
 allowBuilds:
   # Checks that the platform binary is installed.