error handling funcs

src/class/Client.ts

@@ -27,6 +27,7 @@ export default class Client extends eris.Client {
       // eslint-disable-next-line
       const event = new (require(`${__dirname}/../events/${file}`).default)(this);
       this.on(eventName, (...args) => event.run(...args));
+      this.util.signale.success(`Successfully loaded event: ${eventName}`);
       delete require.cache[require.resolve(`${__dirname}/../events/${file}`)];
     });
   }
@@ -37,6 +38,7 @@ export default class Client extends eris.Client {
       // eslint-disable-next-line new-cap
       const command: Command = new (require(`${__dirname}/../commands/${file}`).default)(this);
       this.commands.add(command.name, command);
+      this.util.signale.success(`Successfully loaded command: ${command.name}`);
     });
   }
 }

src/class/Util.ts

@@ -1,12 +1,21 @@
-import { Member, Message, Guild } from 'eris';
-import { Client, Command } from '.';
+import signale from 'signale';
+import { Member, Message, Guild, PrivateChannel, GroupChannel } from 'eris';
+import { Client, Command, RichEmbed } from '.';
 import { statusMessages as emotes } from '../configs/emotes.json';
 
 export default class Util {
   public client: Client;
 
+  public signale: signale.Signale;
+
   constructor(client: Client) {
     this.client = client;
+    this.signale = signale;
+    this.signale.config({
+      displayDate: true,
+      displayTimestamp: true,
+      displayFilename: true,
+    });
   }
 
   get emojis() {
@@ -51,4 +60,33 @@ export default class Util {
       return undefined;
     }
   }
+
+  public async handleError(error: Error, message?: Message, command?: Command): Promise<void> {
+    try {
+      this.signale.error(error);
+      const info = { content: `\`\`\`js\n${error.stack}\n\`\`\``, embed: null };
+      if (message) {
+        const embed = new RichEmbed();
+        embed.setColor('FF0000');
+        embed.setAuthor(`Error caused by ${message.author.username}#${message.author.discriminator}`, message.author.avatarURL);
+        embed.setTitle('Message content');
+        embed.setDescription(message.content);
+        embed.addField('User', `${message.author.mention} (\`${message.author.id}\`)`, true);
+        embed.addField('Channel', message.channel.mention, true);
+        let guild: string;
+        if (message.channel instanceof PrivateChannel || message.channel instanceof GroupChannel) guild = '@me';
+        else guild = message.channel.guild.id;
+        embed.addField('Message link', `[Click here](https://discordapp.com/channels/${guild}/${message.channel.id}/${message.id})`, true);
+        embed.setTimestamp(new Date(message.timestamp));
+        info.embed = embed;
+      }
+      await this.client.createMessage('595788220764127272', info);
+      const msg = message.content.slice(this.client.config.prefix.length).trim().split(/ +/g);
+      // eslint-disable-next-line no-param-reassign
+      if (command) this.resolveCommand(msg).then((c) => { c.cmd.enabled = false; });
+      if (message) message.channel.createMessage(`***${this.emojis.ERROR} An unexpected error has occured - please contact a Faculty Marshal.${command ? ' This command has been disabled.' : ''}***`);
+    } catch (err) {
+      this.signale.error(err);
+    }
+  }
 }