ci: run missing functions script

.github/workflows/validate.yaml

@@ -0,0 +1,19 @@
+name: Validate
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  missing-functions:
+    name: Detect missing functions
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+      - run: bun install
+        working-directory: ./scripts
+      - run: bun run index.ts
+        working-directory: ./scripts

scripts/index.ts

@@ -108,6 +108,11 @@ const detectMissingFunctions = async () => {
       console.log(`* ${removedFunction}`);
     }
   }
+
+  // exit with error code if there are undocumented functions
+  if (undocumentedFunctions.length > 0) {
+    process.exit(1);
+  }
 };
 
 await detectMissingFunctions();