diff --git a/.eslintrc.js b/.eslintrc.js
deleted file mode 100644
index 28cba67..0000000
--- a/.eslintrc.js
+++ /dev/null
@@ -1,25 +0,0 @@
-module.exports = {
-  "env": {
-    "commonjs": true,
-    "es2021": true,
-  },
-  "extends": "google",
-  "overrides": [],
-  "parserOptions": {
-    "ecmaVersion": "latest",
-    "sourceType": "module",
-  },
-  "rules": {
-    "indent": ["error", 2, { "SwitchCase": 1 }],
-    "max-len": [
-      "error",
-      {
-        "code": 160,
-        "ignoreComments": true,
-        "ignoreUrls": true,
-        "ignoreStrings": true,
-      },
-    ],
-    "one-var": ["error", "consecutive"],
-  },
-};
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ebbbc8b..10af0eb 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -4,15 +4,15 @@ on:
   push:
 
 jobs:
-  # FIXME: re-enable once upgrading to the new tree-sitter format
-  # lint:
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #     - name: Install modules
-  #       run: npm install
-  #     - name: Run ESLint
-  #       run: npm run lint
+  deno:
+    name: Deno format and lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: "~1.39"
+      - run: deno lint
+      - run: deno fmt --check
 
   test:
     runs-on: ${{ matrix.os }}
@@ -28,3 +28,4 @@ jobs:
       - run: npm install
       - run: npm test
         # FIXME: also parse tests/*.just
+
diff --git a/.gitignore b/.gitignore
index a3c047b..3ba209d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 target/**
 node_modules
 build
+log.html
diff --git a/deno.jsonc b/deno.jsonc
new file mode 100644
index 0000000..55e8fbd
--- /dev/null
+++ b/deno.jsonc
@@ -0,0 +1,3 @@
+{
+  "exclude": ["src/", "bindings/", "*.md"]
+}
diff --git a/grammar.js b/grammar.js
index 19c16b6..a3da915 100644
--- a/grammar.js
+++ b/grammar.js
@@ -43,7 +43,7 @@ module.exports = grammar({
           "set",
           field("name", $.NAME),
           field("right", optional(seq(":=", choice($.boolean, $.settinglist)))),
-          $.eol
+          $.eol,
         ),
         seq(
           "set",
@@ -56,18 +56,18 @@ module.exports = grammar({
           '"',
           repeat(seq(optional(","), $.string)),
           "]",
-          $.eol
-        )
+          $.eol,
+        ),
       ),
 
     // boolean       : ':=' ('true' | 'false')
-    boolean: ($) => choice("true", "false"),
+    boolean: (_) => choice("true", "false"),
 
     settinglist: ($) =>
       seq(
         "[",
         $.stringlist,
-        "]"
+        "]",
         // seq("[", $.string, repeat(seq(",", $.string)), optional(","), "]")
       ),
 
@@ -88,11 +88,11 @@ module.exports = grammar({
           "else",
           "{",
           field("else", $.expression),
-          "}"
+          "}",
         ),
         seq($.value, "+", $.expression),
         seq($.value, "/", $.expression),
-        $.value
+        $.value,
       ),
 
     // condition     : expression '==' expression
@@ -102,7 +102,7 @@ module.exports = grammar({
       choice(
         seq($.expression, "==", $.expression),
         seq($.expression, "!=", $.expression),
-        seq($.expression, "=~", $.expression)
+        seq($.expression, "=~", $.expression),
       ),
 
     // value         : NAME '(' sequence? ')'
@@ -114,7 +114,7 @@ module.exports = grammar({
     value: ($) =>
       prec.left(
         0,
-        choice($.call, $.cmd, $.NAME, $.string, seq("(", $.expression, ")"))
+        choice($.call, $.cmd, $.NAME, $.string, seq("(", $.expression, ")")),
       ),
 
     call: ($) => seq($.NAME, "(", optional($.sequence), ")"),
@@ -133,7 +133,7 @@ module.exports = grammar({
     sequence: ($) =>
       choice(
         seq($.expression, ",", $.sequence),
-        seq($.expression, optional(","))
+        seq($.expression, optional(",")),
       ),
 
     // recipe        : '@'? NAME parameter* variadic_parameters? ':' dependency* body?
@@ -146,7 +146,7 @@ module.exports = grammar({
         optional($.parameters),
         ":",
         optional(" "),
-        optional($.dependencies)
+        optional($.dependencies),
       ),
 
     parameters: ($) =>
@@ -157,7 +157,7 @@ module.exports = grammar({
     parameter: ($) =>
       choice(
         seq(optional("$"), $.NAME),
-        seq(optional("$"), $.NAME, "=", $.value)
+        seq(optional("$"), $.NAME, "=", $.value),
       ),
 
     // variadic_parameters      : '*' parameter
@@ -178,7 +178,7 @@ module.exports = grammar({
       seq(
         $.INDENT,
         choice($.shebang_recipe, optional($.recipe_body)),
-        $.DEDENT
+        $.DEDENT,
       ),
     // seq($.INDENT, $.recipebody, $.DEDENT),
 
@@ -190,9 +190,9 @@ module.exports = grammar({
         "#!",
         choice(
           seq(/.*\//, field("interpreter", $.TEXT)),
-          seq("/usr/bin/env", field("interpreter", $.TEXT))
+          seq("/usr/bin/env", field("interpreter", $.TEXT)),
         ),
-        $.NEWLINE
+        $.NEWLINE,
       ),
 
     recipe_body: ($) => repeat1($.line),
@@ -206,14 +206,14 @@ module.exports = grammar({
         $.notcomment,
         // repeat(choice($.interpolation, $.notinterpolation)),
         repeat(choice($.interpolation, $.TEXT)),
-        $.NEWLINE
+        $.NEWLINE,
       ),
     // notcomment: ($) => /[^#\s{]\S*/,
-    notcomment: ($) => /[^#\s]\S*/,
+    notcomment: (_) => /[^#\s]\S*/,
     comment: ($) => seq(/#[^!].*/, /.*/, $.NEWLINE),
 
     // notinterpolation: ($) => /[^{][^{]\S*/,
-    notinterpolation: ($) => /[^\s{][^\s{]\S*/,
+    notinterpolation: (_) => /[^\s{][^\s{]\S*/,
 
     // interpolation : '{{' expression '}}'
     interpolation: ($) => seq("{{", $.expression, "}}"),
diff --git a/package.json b/package.json
index 85568c8..420eac4 100644
--- a/package.json
+++ b/package.json
@@ -5,8 +5,7 @@
   "main": "grammar.js",
   "scripts": {
     "test": "tree-sitter test",
-    "gen": "tree-sitter generate",
-    "lint": "eslint grammar.js"
+    "gen": "tree-sitter generate"
   },
   "repository": {
     "type": "git",
@@ -25,9 +24,7 @@
     "tree-sitter": "^0.20.6"
   },
   "devDependencies": {
-    "tree-sitter-cli": "^0.20.8",
-    "eslint": "^8.56.0",
-    "eslint-config-google": "^0.14.0"
+    "tree-sitter-cli": "^0.20.8"
   },
   "tree-sitter": [
     {