Add iframe submenu by scripting API

Delete menu by scripting API

front/src/Api/Events/ui/MenuRegisterEvent.ts

@@ -0,0 +1,42 @@
+import * as tg from "generic-type-guard";
+
+/**
+ * A message sent from a script to the game to add a new button in the menu.
+ */
+export const isMenuItemRegisterEvent = new tg.IsInterface()
+    .withProperties({
+        menuItem: tg.isString,
+    })
+    .get();
+
+export type MenuItemRegisterEvent = tg.GuardedType<typeof isMenuItemRegisterEvent>;
+
+export const isMenuItemRegisterIframeEvent = new tg.IsInterface()
+    .withProperties({
+        type: tg.isSingletonString("registerMenuCommand"),
+        data: isMenuItemRegisterEvent,
+    })
+    .get();
+
+/**
+ * A message sent from a script to the game to add an iframe submenu in the menu.
+ */
+export const isMenuIframeEvent = new tg.IsInterface()
+    .withProperties({
+        name: tg.isString,
+        url: tg.isString,
+    })
+    .get();
+
+export type MenuIframeRegisterEvent = tg.GuardedType<typeof isMenuIframeEvent>;
+
+/**
+ * A message sent from a script to the game to remove a custom menu from the menu
+ */
+export const isUnregisterMenuEvent = new tg.IsInterface()
+    .withProperties({
+        name: tg.isString,
+    })
+    .get();
+
+export type UnregisterMenuEvent = tg.GuardedType<typeof isUnregisterMenuEvent>;