feat: better error handling

src/behaviors/error.ts

@@ -0,0 +1,36 @@
+import { Client, EmbedBuilder, TextChannel } from 'discord.js';
+import discord from '../../discord.json' assert { type: 'json' };
+import { NEGATIVE_COLOR } from '../constants/colors.js';
+
+export const PROCESS_ERROR_EVENTS = ['uncaughtException'];
+export const CLIENT_ERROR_EVENTS = ['error'];
+
+function handleError(error: Error, client: Client) {
+  console.error(error);
+
+  (
+    client.guilds.cache
+      .get(discord.guild_id)
+      ?.channels.cache.get(discord.log_channel) as TextChannel
+  ).send({
+    embeds: [
+      new EmbedBuilder()
+        .setTitle('Skilled Bot ran into a catastrophic error')
+        .setColor(NEGATIVE_COLOR)
+        .setDescription(
+          `Total shutdown was avoided! Error:\n\n\`\`\`${error.name}\n${error.message}\n${error.stack}\n${error.cause}\`\`\``,
+        ),
+    ],
+  });
+}
+
+export function registerErrorHandlers(client: Client) {
+  PROCESS_ERROR_EVENTS.forEach((name) =>
+    process.on(name, (error) => handleError(error, client)),
+  );
+  CLIENT_ERROR_EVENTS.forEach((name) =>
+    client.on(name, (error) => handleError(error, client)),
+  );
+
+  return client;
+}