diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 383613e..48fe806 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,15 +10,23 @@ on:
     branches: [main]
 
 jobs:
+  lint:
+    name: Lint JS
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Lint JS
+        run: npx --yes oxlint@latest -D perf
   test:
     name: Unit tests
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js 18
+      - name: Use Node.js 20
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: 20
           cache: "npm"
       - name: Install dependencies
         run: npm install --ignore-scripts --no-audit
diff --git a/package-lock.json b/package-lock.json
index c9d657c..114edf3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
       "devDependencies": {
         "@types/css-tree": "^2.3.4",
         "microbundle": "^0.15.1",
+        "oxlint": "^0.2.8",
         "typescript": "^5.3.3",
         "uvu": "^0.5.6"
       }
@@ -1923,6 +1924,110 @@
       "integrity": "sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw==",
       "dev": true
     },
+    "node_modules/@oxlint/darwin-arm64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/darwin-arm64/-/darwin-arm64-0.2.8.tgz",
+      "integrity": "sha512-Xu+lEWj04aqa6qVbuf0tnc8tUlfXLNwOlYkIfd9GNpCxt6OLc53bfmUe7G6jDsfN3tkea1aL/Rb+Pv4ZgoHv4w==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@oxlint/darwin-x64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/darwin-x64/-/darwin-x64-0.2.8.tgz",
+      "integrity": "sha512-3jkzG3NRKeWiHqWHRcpYMIFmh8Vsb2XfobDc0eBwFfs16G/wXw15u9SBUPkKnwPM5jhceV3roGecqUjbr1AjBA==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@oxlint/linux-arm64-gnu": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-arm64-gnu/-/linux-arm64-gnu-0.2.8.tgz",
+      "integrity": "sha512-71c7EIEXpgG9eiBYsyd388GtEpnXKswfn2nR9Raw5twA/Y/nDuxibMsRFMOOxbi5saapjQbVoxao3xt2uv4Jsg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxlint/linux-arm64-musl": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-arm64-musl/-/linux-arm64-musl-0.2.8.tgz",
+      "integrity": "sha512-uB2w0xfAIOsrFqsh9c9LoAuvAT2QibQHQL5LFkIAtCW9XdMfk0YtDwm9zNJel1p/R3F3W9A+L4fJFIoqiXrLLQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxlint/linux-x64-gnu": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-x64-gnu/-/linux-x64-gnu-0.2.8.tgz",
+      "integrity": "sha512-d4IxS+B1j+u4XQom18CiHVzg5QSrNjG8xD1PHqyinwUXcq7re9LyH40yCxMxb3VZt5sNoX0M4BIfVcXrt3h8cg==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxlint/linux-x64-musl": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-x64-musl/-/linux-x64-musl-0.2.8.tgz",
+      "integrity": "sha512-cIy3mNX2UY2CHnuJOCF50ki0XlogQatcCKg3OcxjI/PCpwZE1idNEZ8A2gXXodsyp0bDP74lgX/rhDKz63gvIg==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@oxlint/win32-arm64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/win32-arm64/-/win32-arm64-0.2.8.tgz",
+      "integrity": "sha512-fFmLekNgUwgrGBK30U44778rQsF2GSjaGYbjkqYU1jKqoMRSoWyMgPskQBKG92R6G35AyE65UehusXItYfyuHA==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
+    "node_modules/@oxlint/win32-x64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/win32-x64/-/win32-x64-0.2.8.tgz",
+      "integrity": "sha512-iuLIDkJIbzNJGMhnwsrmrbuv6rzEEiWj14ROz/bCQvJbYsBKiA8hTohuuigCo0SG2UnyT74zuzJ8opTeHTrd1Q==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
     "node_modules/@rollup/plugin-alias": {
       "version": "3.1.9",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-alias/-/plugin-alias-3.1.9.tgz",
@@ -4415,6 +4520,31 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/oxlint": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/oxlint/-/oxlint-0.2.8.tgz",
+      "integrity": "sha512-bppMb121RTmwh2y/RWt6czaBd0LnQtDkYEVuSS+8Bv2Ez8qfdSyuWXfqNcxoSEasdaKDF9VckLeSI3WDXPYc/w==",
+      "dev": true,
+      "bin": {
+        "oxlint": "bin/oxlint"
+      },
+      "engines": {
+        "node": ">=14.*"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/Boshen"
+      },
+      "optionalDependencies": {
+        "@oxlint/darwin-arm64": "0.2.8",
+        "@oxlint/darwin-x64": "0.2.8",
+        "@oxlint/linux-arm64-gnu": "0.2.8",
+        "@oxlint/linux-arm64-musl": "0.2.8",
+        "@oxlint/linux-x64-gnu": "0.2.8",
+        "@oxlint/linux-x64-musl": "0.2.8",
+        "@oxlint/win32-arm64": "0.2.8",
+        "@oxlint/win32-x64": "0.2.8"
+      }
+    },
     "node_modules/p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
@@ -7567,6 +7697,62 @@
         }
       }
     },
+    "@oxlint/darwin-arm64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/darwin-arm64/-/darwin-arm64-0.2.8.tgz",
+      "integrity": "sha512-Xu+lEWj04aqa6qVbuf0tnc8tUlfXLNwOlYkIfd9GNpCxt6OLc53bfmUe7G6jDsfN3tkea1aL/Rb+Pv4ZgoHv4w==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/darwin-x64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/darwin-x64/-/darwin-x64-0.2.8.tgz",
+      "integrity": "sha512-3jkzG3NRKeWiHqWHRcpYMIFmh8Vsb2XfobDc0eBwFfs16G/wXw15u9SBUPkKnwPM5jhceV3roGecqUjbr1AjBA==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/linux-arm64-gnu": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-arm64-gnu/-/linux-arm64-gnu-0.2.8.tgz",
+      "integrity": "sha512-71c7EIEXpgG9eiBYsyd388GtEpnXKswfn2nR9Raw5twA/Y/nDuxibMsRFMOOxbi5saapjQbVoxao3xt2uv4Jsg==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/linux-arm64-musl": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-arm64-musl/-/linux-arm64-musl-0.2.8.tgz",
+      "integrity": "sha512-uB2w0xfAIOsrFqsh9c9LoAuvAT2QibQHQL5LFkIAtCW9XdMfk0YtDwm9zNJel1p/R3F3W9A+L4fJFIoqiXrLLQ==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/linux-x64-gnu": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-x64-gnu/-/linux-x64-gnu-0.2.8.tgz",
+      "integrity": "sha512-d4IxS+B1j+u4XQom18CiHVzg5QSrNjG8xD1PHqyinwUXcq7re9LyH40yCxMxb3VZt5sNoX0M4BIfVcXrt3h8cg==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/linux-x64-musl": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/linux-x64-musl/-/linux-x64-musl-0.2.8.tgz",
+      "integrity": "sha512-cIy3mNX2UY2CHnuJOCF50ki0XlogQatcCKg3OcxjI/PCpwZE1idNEZ8A2gXXodsyp0bDP74lgX/rhDKz63gvIg==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/win32-arm64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/win32-arm64/-/win32-arm64-0.2.8.tgz",
+      "integrity": "sha512-fFmLekNgUwgrGBK30U44778rQsF2GSjaGYbjkqYU1jKqoMRSoWyMgPskQBKG92R6G35AyE65UehusXItYfyuHA==",
+      "dev": true,
+      "optional": true
+    },
+    "@oxlint/win32-x64": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/@oxlint/win32-x64/-/win32-x64-0.2.8.tgz",
+      "integrity": "sha512-iuLIDkJIbzNJGMhnwsrmrbuv6rzEEiWj14ROz/bCQvJbYsBKiA8hTohuuigCo0SG2UnyT74zuzJ8opTeHTrd1Q==",
+      "dev": true,
+      "optional": true
+    },
     "@rollup/plugin-alias": {
       "version": "3.1.9",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-alias/-/plugin-alias-3.1.9.tgz",
@@ -9392,6 +9578,22 @@
         "is-wsl": "^2.2.0"
       }
     },
+    "oxlint": {
+      "version": "0.2.8",
+      "resolved": "https://registry.npmjs.org/oxlint/-/oxlint-0.2.8.tgz",
+      "integrity": "sha512-bppMb121RTmwh2y/RWt6czaBd0LnQtDkYEVuSS+8Bv2Ez8qfdSyuWXfqNcxoSEasdaKDF9VckLeSI3WDXPYc/w==",
+      "dev": true,
+      "requires": {
+        "@oxlint/darwin-arm64": "0.2.8",
+        "@oxlint/darwin-x64": "0.2.8",
+        "@oxlint/linux-arm64-gnu": "0.2.8",
+        "@oxlint/linux-arm64-musl": "0.2.8",
+        "@oxlint/linux-x64-gnu": "0.2.8",
+        "@oxlint/linux-x64-musl": "0.2.8",
+        "@oxlint/win32-arm64": "0.2.8",
+        "@oxlint/win32-x64": "0.2.8"
+      }
+    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
diff --git a/package.json b/package.json
index ffda471..d7b1f69 100644
--- a/package.json
+++ b/package.json
@@ -15,11 +15,13 @@
   "scripts": {
     "build": "microbundle",
     "test": "uvu",
-    "check": "tsc"
+    "check": "tsc",
+    "lint": "oxlint -D perf"
   },
   "devDependencies": {
     "@types/css-tree": "^2.3.4",
     "microbundle": "^0.15.1",
+    "oxlint": "^0.2.8",
     "typescript": "^5.3.3",
     "uvu": "^0.5.6"
   },
@@ -39,4 +41,4 @@
     "pretty",
     "prettier"
   ]
-}
+}
\ No newline at end of file