diff --git a/.gitignore b/.gitignore
index 3d2bc62..40afb59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /dist/
 /node_modules/
+/generated/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..aabb0ac
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "gpuweb"]
+	path = gpuweb
+	url = https://github.com/gpuweb/gpuweb.git
diff --git a/gpuweb b/gpuweb
new file mode 160000
index 0000000..d0a5927
--- /dev/null
+++ b/gpuweb
@@ -0,0 +1 @@
+Subproject commit d0a59271cd68d33c461feffa0b54c2b3c01395f8
diff --git a/package-lock.json b/package-lock.json
index 24fb151..c32e428 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,998 @@
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 }
diff --git a/package.json b/package.json
index f9f45f6..911b48b 100644
--- a/package.json
+++ b/package.json
@@ -9,5 +9,11 @@
   "license": "Apache-2.0",
   "files": [
     "dist/**/*"
-  ]
+  ],
+  "scripts": {
+    "generate": "bikeshed-to-ts --in ./gpuweb/spec/index.bs --out ./generated/index.d.ts --forceGlobal --nominal"
+  },
+  "devDependencies": {
+    "bikeshed-to-ts": "^1.1.2"
+  }
 }