From bcb7c721dc8529f48c829e176a26f42e379cc012 Mon Sep 17 00:00:00 2001
From: Johnson Chen <cyberiumdev@gmail.com>
Date: Sun, 13 Sep 2020 20:07:56 +1000
Subject: [PATCH] feat(Message): add support for crossposting (#4105)

Co-authored-by: Advaith <advaithj1@gmail.com>
Co-authored-by: Joe <56809242+Jo3-L@users.noreply.github.com>
Co-authored-by: Jan <66554238+Vaporox@users.noreply.github.com>
Co-authored-by: Noel <icrawltogo@gmail.com>
---
 src/structures/Message.js | 16 ++++++++++++++++
 typings/index.d.ts        |  1 +
 2 files changed, 17 insertions(+)

diff --git a/src/structures/Message.js b/src/structures/Message.js
index 642cefb60..22a0de773 100644
--- a/src/structures/Message.js
+++ b/src/structures/Message.js
@@ -448,6 +448,22 @@ class Message extends Base {
     });
   }
 
+  /**
+   * Publishes a message in an announcement channel to all channels following it.
+   * @returns {Promise<Message>}
+   * @example
+   * // Crosspost a message
+   * if (message.channel.type === 'news') {
+   *   message.crosspost()
+   *     .then(() => console.log('Crossposted message'))
+   *     .catch(console.error);
+   * }
+   */
+  async crosspost() {
+    await this.client.api.channels(this.channel.id).messages(this.id).crosspost.post();
+    return this;
+  }
+
   /**
    * Pins this message to the channel's pinned messages.
    * @param {Object} [options] Options for pinning
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 6e9514f50..c24023dfa 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -1023,6 +1023,7 @@ declare module 'discord.js' {
     public edit(content: StringResolvable, options: MessageEditOptions | MessageEmbed): Promise<Message>;
     public equals(message: Message, rawData: object): boolean;
     public fetchWebhook(): Promise<Webhook>;
+    public crosspost(): Promise<Message>;
     public fetch(force?: boolean): Promise<Message>;
     public pin(options?: { reason?: string }): Promise<Message>;
     public react(emoji: EmojiIdentifierResolvable): Promise<MessageReaction>;