Implementation of openPopup script method (WIP)

front/src/Api/Events/OpenPopupEvent.ts

@@ -0,0 +1,22 @@
+import * as tg from "generic-type-guard";
+
+const isButtonDescriptor =
+    new tg.IsInterface().withProperties({
+        label: tg.isString,
+        className: tg.isOptional(tg.isString),
+        closeOnClick: tg.isOptional(tg.isBoolean)
+    }).get();
+type ButtonDescriptor = tg.GuardedType<typeof isButtonDescriptor>;
+
+export const isOpenPopupEvent =
+    new tg.IsInterface().withProperties({
+        popupId: tg.isNumber,
+        targetObject: tg.isString,
+        message: tg.isString,
+        buttons: tg.isAny //tg.isArray<ButtonDescriptor>,
+    }).get();
+
+/**
+ * A message sent from the iFrame to the game to add a message in the chat.
+ */
+export type OpenPopupEvent = tg.GuardedType<typeof isOpenPopupEvent>;