Downgrade to v13

[vi] cảm giác đau khổ

src/structures/CategoryChannel.js

@@ -1,7 +1,6 @@
 'use strict';
 
 const GuildChannel = require('./GuildChannel');
-const CategoryChannelChildManager = require('../managers/CategoryChannelChildManager');
 
 /**
  * Represents a guild category channel on Discord.
@@ -9,12 +8,12 @@ const CategoryChannelChildManager = require('../managers/CategoryChannelChildMan
  */
 class CategoryChannel extends GuildChannel {
   /**
-   * A manager of the channels belonging to this category
-   * @type {CategoryChannelChildManager}
+   * Channels that are a part of this category
+   * @type {Collection<Snowflake, GuildChannel>}
    * @readonly
    */
   get children() {
-    return new CategoryChannelChildManager(this);
+    return this.guild.channels.cache.filter(c => c.parentId === this.id);
   }
 
   /**
@@ -27,6 +26,36 @@ class CategoryChannel extends GuildChannel {
    * @param {SetParentOptions} [options={}] The options for setting the parent
    * @returns {Promise<GuildChannel>}
    */
+
+  /**
+   * Options for creating a channel using {@link CategoryChannel#createChannel}.
+   * @typedef {Object} CategoryCreateChannelOptions
+   * @property {ChannelType|number} [type='GUILD_TEXT'] The type of the new channel.
+   * @property {string} [topic] The topic for the new channel
+   * @property {boolean} [nsfw] Whether the new channel is NSFW
+   * @property {number} [bitrate] Bitrate of the new channel in bits (only voice)
+   * @property {number} [userLimit] Maximum amount of users allowed in the new channel (only voice)
+   * @property {OverwriteResolvable[]|Collection<Snowflake, OverwriteResolvable>} [permissionOverwrites]
+   * Permission overwrites of the new channel
+   * @property {number} [position] Position of the new channel
+   * @property {number} [rateLimitPerUser] The rate limit per user (slowmode) for the new channel in seconds
+   * @property {string} [rtcRegion] The specific region of the new channel.
+   * @property {string} [reason] Reason for creating the new channel
+   */
+
+  /**
+   * Creates a new channel within this category.
+   * <info>You cannot create a channel of type `GUILD_CATEGORY` inside a CategoryChannel.</info>
+   * @param {string} name The name of the new channel
+   * @param {CategoryCreateChannelOptions} options Options for creating the new channel
+   * @returns {Promise<GuildChannel>}
+   */
+  createChannel(name, options) {
+    return this.guild.channels.create(name, {
+      ...options,
+      parent: this.id,
+    });
+  }
 }
 
 module.exports = CategoryChannel;