Custom-element registry, builder, and TS codegen

games/management/commands/gen_element_types.py

@@ -0,0 +1,21 @@
+"""Write ts/generated/props.ts from the registered custom-element specs."""
+
+from pathlib import Path
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+# Importing the components package triggers element registration at import time.
+import common.components  # noqa: F401
+from common.components.custom_elements import render_props_module
+
+
+class Command(BaseCommand):
+    help = "Generate ts/generated/props.ts from registered custom elements."
+
+    def handle(self, *args, **options) -> None:
+        output_dir = Path(settings.BASE_DIR) / "ts" / "generated"
+        output_dir.mkdir(parents=True, exist_ok=True)
+        target = output_dir / "props.ts"
+        target.write_text(render_props_module(), encoding="utf-8")
+        self.stdout.write(self.style.SUCCESS(f"Wrote {target}"))