extraction idea

# Conflicts:
#	front/src/Api/ScriptUtils.ts
#	front/src/iframe_api.ts

front/src/Api/iframe/chatmessage.ts

@@ -0,0 +1,35 @@
+import { ChatEvent } from '../Events/ChatEvent'
+import { isUserInputChatEvent, UserInputChatEvent } from '../Events/UserInputChatEvent'
+import { registerWorkadventureCommand, registerWorkadvntureCallback, sendToWorkadventure } from "./iframe-registration"
+
+let chatMessageCallback: (event: string) => void | undefined
+
+class WorkadvntureChatCommands {
+
+    sendChatMessage(message: string, author: string) {
+        sendToWorkadventure({
+            type: 'chat',
+            data: {
+                'message': message,
+                'author': author
+            } as ChatEvent
+        })
+    }
+
+    /**
+     * Listen to messages sent by the local user, in the chat.
+     */
+    onChatMessage(callback: (message: string) => void) {
+        chatMessageCallback = callback
+    }
+}
+
+export const commands = registerWorkadventureCommand(new WorkadvntureChatCommands())
+export const callbacks = registerWorkadvntureCallback([{
+    callback: (event: UserInputChatEvent) => {
+        chatMessageCallback?.(event.message)
+    },
+    type: "userInputChat",
+    typeChecker: isUserInputChatEvent
+}])
+