feat: mature error handling system

src/events/error.ts

@@ -1,4 +1,4 @@
-import { Client, EmbedBuilder, TextChannel } from 'discord.js';
+import { EmbedBuilder, TextChannel } from 'discord.js';
 import discord from '../../discord.json' assert { type: 'json' };
 import { NEGATIVE_COLOR } from '../constants/colors.js';
 import isDev from '../core/process/isDev.js';
@@ -7,7 +7,7 @@ import { client } from '../index.js';
 const PROCESS_ERROR_EVENTS = ['uncaughtException'];
 const CLIENT_ERROR_EVENTS = ['error'];
 
-export function handleError(error: Error, client: Client, command: string) {
+export function handleError(error: Error, command: string) {
   console.error(error);
 
   (
@@ -31,10 +31,10 @@ export function handleError(error: Error, client: Client, command: string) {
 export function registerErrorHandlers() {
   if (!isDev()) {
     PROCESS_ERROR_EVENTS.forEach((name) =>
-      process.on(name, (error) => handleError(error, client, 'process error')),
+      process.on(name, (error) => handleError(error, 'process error')),
     );
     CLIENT_ERROR_EVENTS.forEach((name) =>
-      client.on(name, (error) => handleError(error, client, 'client error')),
+      client.on(name, (error) => handleError(error, 'client error')),
     );
   }
 

src/events/interactionCreate.ts

@@ -1,5 +1,8 @@
 import {
+  ActionRowBuilder,
   AutocompleteInteraction,
+  ButtonBuilder,
+  ButtonStyle,
   CacheType,
   ChatInputCommandInteraction,
   Collection,
@@ -11,9 +14,11 @@ import {
 } from 'discord.js';
 import { readdirSync } from 'fs';
 import discord from '../../discord.json' assert { type: 'json' };
+import negativeEmbed from '../core/interaction/negativeEmbed.js';
 import { args } from '../core/process/args.js';
 import getClientId from '../core/process/getClientId.js';
 import isDev from '../core/process/isDev.js';
+import { handleError } from './error.js';
 
 export interface CommandRegistry {
   inDevelopment: boolean;
@@ -101,6 +106,30 @@ export default async function interactionCreate(
 
     console.log(interaction.toString());
     await interaction.deferReply();
-    command.execute(interaction);
+
+    try {
+      await command.execute(interaction);
+    } catch (error) {
+      const actionRow = new ActionRowBuilder<ButtonBuilder>().addComponents(
+        new ButtonBuilder()
+          .setLabel('Get Help on Discord Server')
+          .setURL('https://discord.gg/nDt7AjGJQH')
+          .setStyle(ButtonStyle.Link),
+      );
+
+      await interaction.editReply({
+        embeds: [
+          negativeEmbed(
+            (error as Error).message,
+            `${
+              (error as Error).cause ?? 'No further information is available.'
+            }`,
+          ),
+        ],
+        components: [actionRow],
+      });
+
+      handleError(error as Error, interaction.commandName);
+    }
   }
 }