refactor: use function

packages/discord.js/src/managers/ThreadMemberManager.js

@@ -7,9 +7,9 @@ const { Routes } = require('discord-api-types/v10');
 const CachedManager = require('./CachedManager');
 const { DiscordjsTypeError, ErrorCodes } = require('../errors');
 const ThreadMember = require('../structures/ThreadMember');
+const { emitDeprecationWarningRemoveThreadMember } = require('../util/Util');
 
 let deprecationEmittedForAdd = false;
-let deprecationEmittedForRemove = false;
 
 /**
  * Manages API methods for GuildMembers and stores their cache.
@@ -124,14 +124,8 @@ class ThreadMemberManager extends CachedManager {
    * @returns {Promise<Snowflake>}
    */
   async remove(member, reason) {
-    if (reason !== undefined && !deprecationEmittedForRemove) {
-      process.emitWarning(
-        // eslint-disable-next-line max-len
-        'The reason parameter of ThreadMemberManager#remove() is deprecated as Discord does not parse them. It will be removed in the next major version.',
-        'DeprecationWarning',
-      );
-
-      deprecationEmittedForRemove = true;
+    if (reason !== undefined) {
+      emitDeprecationWarningRemoveThreadMember(this.constructor.name);
     }
 
     const id = member === '@me' ? member : this.client.users.resolveId(member);

packages/discord.js/src/structures/ThreadMember.js

@@ -2,6 +2,7 @@
 
 const Base = require('./Base');
 const ThreadMemberFlagsBitField = require('../util/ThreadMemberFlagsBitField');
+const { emitDeprecationWarningRemoveThreadMember } = require('../util/Util');
 
 /**
  * Represents a Member for a Thread.
@@ -106,6 +107,10 @@ class ThreadMember extends Base {
    * @returns {Promise<ThreadMember>}
    */
   async remove(reason) {
+    if (reason !== undefined) {
+      emitDeprecationWarningRemoveThreadMember(this.constructor.name);
+    }
+
     await this.thread.members.remove(this.id, reason);
     return this;
   }

packages/discord.js/src/util/Util.js

@@ -1,13 +1,16 @@
 'use strict';
 
 const { parse } = require('node:path');
+const process = require('node:process');
 const { Collection } = require('@discordjs/collection');
 const { ChannelType, RouteBases, Routes } = require('discord-api-types/v10');
 const { fetch } = require('undici');
 const Colors = require('./Colors');
 const { DiscordjsError, DiscordjsRangeError, DiscordjsTypeError, ErrorCodes } = require('../errors');
 const isObject = d => typeof d === 'object' && d !== null;
 
+let deprecationEmittedForRemoveThreadMember = false;
+
 /**
  * Flatten an object. Any properties that are collections will get converted to an array of keys.
  * @param {Object} obj The object to flatten.
@@ -499,6 +502,19 @@ function resolveSKUId(resolvable) {
   return null;
 }
 
+/**
+ * Deprecation function for the reason parameter of removing thread members.
+ * @param {string} name Name of the class
+ * @private
+ */
+function emitDeprecationWarningRemoveThreadMember(name) {
+  if (deprecationEmittedForRemoveThreadMember) return;
+  process.emitWarning(
+    `The reason parameter of ${name}#remove() is deprecated as Discord does not parse them. It will be removed in the next major version.`,
+  );
+  deprecationEmittedForRemoveThreadMember = true;
+}
+
 module.exports = {
   flatten,
   fetchRecommendedShardCount,
@@ -518,6 +534,7 @@ module.exports = {
   parseWebhookURL,
   transformResolved,
   resolveSKUId,
+  emitDeprecationWarningRemoveThreadMember,
 };
 
 // Fixes Circular