added deleteChannel method

index.d.ts

@@ -1361,6 +1361,8 @@ declare namespace WAWebJS {
          * 3 for NONE reactions to be avaliable
          */
         setReactionSetting(reactionCode: number): Promise<boolean>;
+        /** Deletes the channel you created */
+        deleteChannel(): Promise<boolean>;
     }
 
     export interface MessageSearchOptions {

src/structures/Channel.js

@@ -151,6 +151,24 @@ class Channel extends Base {
         return success;
     }
 
+    /**
+     * Deletes the channel you created
+     * @returns {Promise<boolean>} Returns true if the operation completed successfully, false otherwise
+     */
+    async deleteChannel() {
+        return await this.client.pupPage.evaluate(async (channelId) => {
+            const channel = await window.WWebJS.getChannel(channelId);
+            if (!channel) return false;
+            try {
+                await window.Store.ChannelUtils.deleteNewsletterAction(channel);
+                return true;
+            } catch (err) {
+                if (err.name === 'ServerStatusCodeError') return false;
+                throw err;
+            }
+        }, this.id._serialized);
+    }
+
     /**
      * Internal method to change the channel metadata
      * @param {string|number|MessageMedia} value The new value to set

src/util/Injected.js

@@ -98,6 +98,7 @@ exports.ExposeStore = (moduleRaidStr) => {
         ...window.mR.findModule('queryAndUpdateNewsletterMetadataAction')[0],
         ...window.mR.findModule('createNewsletterQuery')[0],
         ...window.mR.findModule('editNewsletterMetadataAction')[0],
+        ...window.mR.findModule('deleteNewsletterAction')[0],
     };
 
     if (!window.Store.Chat._find) {