From 2446ff525145afa3d5b4b5e822c3e7d8b010a4c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antonio=20Rom=C3=A1n?= <kyradiscord@gmail.com>
Date: Sat, 3 Jul 2021 14:25:35 +0200
Subject: [PATCH] refactor(Util): make class extend `null` (#6000)

---
 src/util/DataResolver.js  |  6 +-----
 src/util/SnowflakeUtil.js |  6 +-----
 src/util/Structures.js    |  6 +-----
 src/util/Util.js          |  6 +-----
 typings/index.d.ts        | 12 ++++++++----
 5 files changed, 12 insertions(+), 24 deletions(-)

diff --git a/src/util/DataResolver.js b/src/util/DataResolver.js
index 821e17981..20d4abc34 100644
--- a/src/util/DataResolver.js
+++ b/src/util/DataResolver.js
@@ -11,11 +11,7 @@ const Invite = require('../structures/Invite');
  * The DataResolver identifies different objects and tries to resolve a specific piece of information from them.
  * @private
  */
-class DataResolver {
-  constructor() {
-    throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
-  }
-
+class DataResolver extends null {
   /**
    * Data that can be resolved to give an invite code. This can be:
    * * An invite code
diff --git a/src/util/SnowflakeUtil.js b/src/util/SnowflakeUtil.js
index 2153a0ccf..656e32d60 100644
--- a/src/util/SnowflakeUtil.js
+++ b/src/util/SnowflakeUtil.js
@@ -9,11 +9,7 @@ let INCREMENT = 0;
 /**
  * A container for useful snowflake-related methods.
  */
-class SnowflakeUtil {
-  constructor() {
-    throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
-  }
-
+class SnowflakeUtil extends null {
   /**
    * A Twitter snowflake, except the epoch is 2015-01-01T00:00:00.000Z
    * ```
diff --git a/src/util/Structures.js b/src/util/Structures.js
index edfe79e2d..33343e7e1 100644
--- a/src/util/Structures.js
+++ b/src/util/Structures.js
@@ -31,11 +31,7 @@
 /**
  * Allows for the extension of built-in Discord.js structures that are instantiated by {@link BaseManager Managers}.
  */
-class Structures {
-  constructor() {
-    throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
-  }
-
+class Structures extends null {
   /**
    * Retrieves a structure class.
    * @param {string} structure Name of the structure to retrieve
diff --git a/src/util/Util.js b/src/util/Util.js
index 125c3101f..b6cc50e30 100644
--- a/src/util/Util.js
+++ b/src/util/Util.js
@@ -10,11 +10,7 @@ const isObject = d => typeof d === 'object' && d !== null;
 /**
  * Contains various general-purpose utility methods.
  */
-class Util {
-  constructor() {
-    throw new Error(`The ${this.constructor.name} class may not be instantiated.`);
-  }
-
+class Util extends null {
   /**
    * Flatten an object. Any properties that are collections will get converted to an array of keys.
    * @param {Object} obj The object to flatten.
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 919dc2113..3ec2bbcf5 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -812,7 +812,8 @@ declare module 'discord.js' {
     PremiumTiers: typeof PremiumTiers;
   };
 
-  export class DataResolver {
+  export class DataResolver extends null {
+    private constructor();
     public static resolveBase64(data: Base64Resolvable): string;
     public static resolveCode(data: string, regx: RegExp): string;
     public static resolveFile(resource: BufferResolvable | Stream): Promise<Buffer | Stream>;
@@ -1855,7 +1856,8 @@ declare module 'discord.js' {
     public once(event: 'shardCreate', listener: (shard: Shard) => Awaited<void>): this;
   }
 
-  export class SnowflakeUtil {
+  export class SnowflakeUtil extends null {
+    private constructor();
     public static deconstruct(snowflake: Snowflake): DeconstructedSnowflake;
     public static generate(timestamp?: number | Date): Snowflake;
     public static readonly EPOCH: number;
@@ -1892,7 +1894,8 @@ declare module 'discord.js' {
     public type: 'store';
   }
 
-  export class Structures {
+  export class Structures extends null {
+    private constructor();
     public static get<K extends keyof Extendable>(structure: K): Extendable[K];
     public static get(structure: string): (...args: any[]) => void;
     public static extend<K extends keyof Extendable, T extends Extendable[K]>(
@@ -2052,7 +2055,8 @@ declare module 'discord.js' {
     public static resolve(bit?: BitFieldResolvable<UserFlagsString, number>): number;
   }
 
-  export class Util {
+  export class Util extends null {
+    private constructor();
     public static basename(path: string, ext?: string): string;
     public static binaryToID(num: string): Snowflake;
     public static cleanContent(str: string, channel: Channel): string;