1 files changed, 13 insertions, 0 deletions
diff --git a/src/html/script.nim b/src/html/script.nim
index 8d1816ff..b465eb7e 100644
--- a/src/html/script.nim
+++ b/src/html/script.nim
@@ -1,4 +1,5 @@
 import monoucha/javascript
+import monoucha/jsopaque
 import monoucha/quickjs
 import types/referrer
 import types/url
@@ -147,3 +148,15 @@ func uninitIfNull*(val: JSValue): JSValue =
   if JS_IsNull(val):
     return JS_UNINITIALIZED
   return val
+
+proc defineConsts*(ctx: JSContext; classid: JSClassID; consts: typedesc[enum]) =
+  let proto = JS_GetClassProto(ctx, classid)
+  let ctorProto = JS_GetPrototype(ctx, ctx.getOpaque().ctors[classid])
+  #TODO it should be enough to define on the proto only, but apparently
+  # it isn't...
+  for e in consts:
+    let s = $e
+    ctx.definePropertyE(proto, s, uint16(e))
+    ctx.definePropertyE(ctorProto, s, uint16(e))
+  JS_FreeValue(ctx, ctorProto)
+  JS_FreeValue(ctx, proto)