fix: dirty trick on prototypes

handlers/Actions.ts

@@ -59,6 +59,24 @@ export const MESSAGE_CREATE: RawHandler<DiscordMessage> = (session, _shardId, me
 };
 
 export const MESSAGE_UPDATE: RawHandler<DiscordMessage> = (session, _shardId, new_message) => {
+    // message is partial
+    if (!new_message.edited_timestamp) {
+        const message = {
+            // TODO: improve this
+            // ...new_message,
+            id: new_message.id,
+            guildId: new_message.guild_id,
+            channelId: new_message.channel_id,
+        };
+
+        // all methods of Message can run on partial messages
+        // we aknowledge people that their callback could be partial but giving them all functions of Message
+        Object.setPrototypeOf(message, Message.prototype);
+
+        session.emit("messageUpdate", message);
+        return;
+    }
+
     session.emit("messageUpdate", new Message(session, new_message));
 };
 
@@ -212,7 +230,7 @@ type MessageReaction = any;
 export interface Events {
     "ready":                      Handler<[Ready, number]>;
     "messageCreate":              Handler<[Message]>;
-    "messageUpdate":              Handler<[Message]>;
+    "messageUpdate":              Handler<[Partial<Message>]>;
     "messageDelete":              Handler<[{ id: Snowflake, channelId: Snowflake, guildId?: Snowflake }]>;
     "messageReactionAdd":         Handler<[MessageReaction]>;
     "messageReactionRemove":      Handler<[MessageReaction]>;  

session/Session.ts

@@ -65,7 +65,7 @@ export class Session extends EventEmitter {
         const defHandler: DiscordRawEventHandler = (shard, data) => {
             Actions.raw(this, shard.id, data);
 
-            if (!data.t) {
+            if (!data.t || !data.d) {
                 return;
             }
 

structures/Message.ts

@@ -153,7 +153,7 @@ export class Message implements Model {
     attachments: Attachment[];
     embeds: DiscordEmbed[];
     member?: Member;
-    thread?: ThreadChannel;
+    // thread?: ThreadChannel;
     components: Component[];
 
     webhook?: WebhookAuthor;