Add linting and formatting checks for the grammar

.editorconfig

@@ -44,3 +44,7 @@ indent_size = 2
 
 [{alloc,array,parser}.h]
 indent_size = 2
+
+[test/**.txt]
+indent_size = 2
+indent_style = space

.github/workflows/ci.yml

@@ -18,12 +18,12 @@ jobs:
         os: [ubuntu-latest, windows-2022, macos-latest]
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up tree-sitter
         uses: tree-sitter/setup-action/cli@v2
         with:
-          tree-sitter-ref: v0.26.10
+          tree-sitter-ref: v0.26.11
 
       - name: Run tests
         uses: tree-sitter/parser-test-action@v3
@@ -34,7 +34,7 @@ jobs:
           test-python: true
           test-go: true
 
-      - name: Run test wild
+      - name: Run tests wild
         if: runner.os != 'Windows'
         continue-on-error: true
         run: node scripts/test_wild.mjs

.github/workflows/gh-pages.yml

@@ -19,18 +19,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
 
-      # Instruct a C++ compiler to use the C++20 standard
-      # Required to install tree-sitter dev dependencie
-      # See # https://github.com/tree-sitter/node-tree-sitter/issues/268
       - name: Install dependencies
-        run: CXXFLAGS="-std=c++20" npm ci
+        run: npm ci
 
       - name: Build WASM
         run: npx tree-sitter build --wasm
@@ -43,10 +40,10 @@ jobs:
           sed -i 's|LANGUAGE_BASE_URL = ""|LANGUAGE_BASE_URL = "/tree-sitter-rescript"|' ./public/index.html
 
       - name: Setup Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v5
         with:
           path: ./public
 

.github/workflows/lint.yml

@@ -0,0 +1,31 @@
+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@v7
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version-file: .nvmrc
+      - name: Install modules
+        run: npm ci
+      - name: Run ESLint
+        run: npm run lint
+      - name: Checkformat
+        run: npm run checkformat
+      - name: Generate parser
+        run: npm run generate
+      - name: Check for diffs in parse files
+        run: git diff --exit-code

.nvmrc

@@ -1 +1,2 @@
-v24.11.1
+# Using v22 due https://github.com/tree-sitter/node-tree-sitter/issues/268
+v22

eslint.config.mjs

@@ -0,0 +1,5 @@
+import treesitter from 'eslint-config-treesitter';
+
+export default [
+  ...treesitter,
+];