diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f31ed070e..bcfd72d59 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,3 +19,4 @@ jobs:
       - run: npm ci
       - run: npm run build
       - run: npm test
+      - run: npx tsgo
diff --git a/package-lock.json b/package-lock.json
index fd6cd1248..c4a7e83b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
         "@types/webidl2": "^24.4.3",
         "@typescript-eslint/eslint-plugin": "^8",
         "@typescript-eslint/parser": "^8",
+        "@typescript/native-preview": "^7.0.0-dev.20251029.1",
         "@webref/css": "^6.23.7",
         "@webref/elements": "^2.5.0",
         "@webref/events": "^1.18.6",
@@ -1038,6 +1039,123 @@
         "url": "https://opencollective.com/eslint"
       }
     },
+    "node_modules/@typescript/native-preview": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview/-/native-preview-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-IRmYCDgwZQEfjy2GNJnQbqoRUrvdCbzLE0sLhwc6TP4I0Hx5TnHv3sJGKAgdmcbHmKHtwJeppXjgTRGtFTWRHQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsgo": "bin/tsgo.js"
+      },
+      "optionalDependencies": {
+        "@typescript/native-preview-darwin-arm64": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-darwin-x64": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-linux-arm": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-linux-arm64": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-linux-x64": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-win32-arm64": "7.0.0-dev.20251029.1",
+        "@typescript/native-preview-win32-x64": "7.0.0-dev.20251029.1"
+      }
+    },
+    "node_modules/@typescript/native-preview-darwin-arm64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-darwin-arm64/-/native-preview-darwin-arm64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-DBJ3jFP6/MaQj/43LN1TC7tjR4SXZUNDnREiVjtFzpOG4Q71D1LB6QryskkRZsNtxLaTuVV57l2ubCE8tNmz0w==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@typescript/native-preview-darwin-x64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-darwin-x64/-/native-preview-darwin-x64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-fnxZZtlXeud6f3bev3q50QMR+FrnuTyVr5akp5G2/o4jfkqLV6cKzseGnY6so+ftwfwP/PX3GOkfL6Ag8NzR0Q==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "darwin"
+      ]
+    },
+    "node_modules/@typescript/native-preview-linux-arm": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-linux-arm/-/native-preview-linux-arm-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-1ok8pxcIlwMTMggySPIVt926lymLWNhCgPTzO751zKFTDTJcmpzmpmSWbiFQQ3fcPzO8LocsLXRfBwYDd/uqQA==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@typescript/native-preview-linux-arm64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-linux-arm64/-/native-preview-linux-arm64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-WK/N4Tk9nxI+k6AwJ7d80Gnd4+8kbBwmryIgOGPQNNvNJticYg6QiQsFGgC+HnCqvWDQ0fAyW+wdcPG6fwn/EA==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@typescript/native-preview-linux-x64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-linux-x64/-/native-preview-linux-x64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-GvTl9BeItX0Ox0wXiMIHkktl9sCTkTPBe6f6hEs4XfJlAKm+JHbYtB9UEs62QyPYBFMx2phCytVNejpaUZRJmQ==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ]
+    },
+    "node_modules/@typescript/native-preview-win32-arm64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-win32-arm64/-/native-preview-win32-arm64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-BUEC+M6gViaa/zDzOjAOEqpOZeUJxuwrjwOokqxXyUavX+mC6zb6ALqx4r7GAWrfY9sSvGUacW4ZbqDTXe8KAg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
+    "node_modules/@typescript/native-preview-win32-x64": {
+      "version": "7.0.0-dev.20251029.1",
+      "resolved": "https://registry.npmjs.org/@typescript/native-preview-win32-x64/-/native-preview-win32-x64-7.0.0-dev.20251029.1.tgz",
+      "integrity": "sha512-ODcXFgM62KpXxHqG5NMG+ipBqTbQ1pGkrzSByBwgRx0c/gTUhgML8UT7iK3nTrTtp9OBgPYPLLDNwiSLyzaIxA==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ]
+    },
     "node_modules/@webref/css": {
       "version": "6.23.15",
       "resolved": "https://registry.npmjs.org/@webref/css/-/css-6.23.15.tgz",
diff --git a/package.json b/package.json
index d8f6ff620..b48dba9a3 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
     "@types/webidl2": "^24.4.3",
     "@typescript-eslint/eslint-plugin": "^8",
     "@typescript-eslint/parser": "^8",
+    "@typescript/native-preview": "^7.0.0-dev.20251029.1",
     "@webref/css": "^6.23.7",
     "@webref/elements": "^2.5.0",
     "@webref/events": "^1.18.6",