ci: add workflows (format, lint, test)

.github/workflows/check-format.yml

@@ -0,0 +1,22 @@
+name: Format (check only)
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: npm
+          node-version: latest
+      - name: Install modules
+        run: npm ci
+      - name: Run Prettier (check only)
+        run: npm run check-format

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+    branches: ["*"]
+    paths:
+      - grammar.js
+      - src/**
+      - test/**
+      - bindings/**
+      - binding.gyp
+  pull_request:
+    paths:
+      - grammar.js
+      - src/**
+      - test/**
+      - bindings/**
+      - binding.gyp
+
+concurrency:
+  group: ${{github.workflow}}-${{github.ref}}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Test parser
+    runs-on: ${{matrix.os}}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-14]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up tree-sitter
+        uses: tree-sitter/setup-action/cli@v1
+      - name: Set up examples
+        run: |-
+          git clone https://github.com/cylc/cylc-flow examples/cylc-flow --single-branch --depth=1 --filter=blob:none
+      - name: Run tests
+        uses: tree-sitter/parser-test-action@v2
+        with:
+          test-rust: ${{runner.os == 'Linux'}}
+      - name: Parse examples
+        uses: tree-sitter/parse-action@v4
+        with:
+          files: examples/**/*.cylc

.github/workflows/lint.yml

@@ -0,0 +1,26 @@
+name: Lint
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - grammar.js
+  pull_request:
+    paths:
+      - grammar.js
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: npm
+          node-version: latest
+      - name: Install modules
+        run: npm ci
+      - name: Run ESLint
+        run: npm run lint