fire, percentage, units

commands/number-edit/units.js

@@ -0,0 +1,42 @@
+const { Command } = require('discord.js-commando');
+const math = require('mathjs');
+
+module.exports = class UnitsCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'units',
+			aliases: ['convert-units', 'unit-converter'],
+			group: 'number-edit',
+			memberName: 'units',
+			description: 'Converts units to/from other units.',
+			args: [
+				{
+					key: 'base',
+					prompt: 'What unit type do you want to convert from?',
+					type: 'string',
+					parse: base => base.toLowerCase()
+				},
+				{
+					key: 'target',
+					prompt: 'What unit type do you want to convert to?',
+					type: 'string',
+					parse: target => target.toLowerCase()
+				},
+				{
+					key: 'amount',
+					prompt: 'How many units should be converted?',
+					type: 'float'
+				}
+			]
+		});
+	}
+
+	run(msg, { base, target, amount }) {
+		try {
+			const value = math.unit(amount, base).to(target).toString();
+			return msg.say(value);
+		} catch (err) {
+			return msg.say('Either an invalid unit type was provided or the unit types do not match.');
+		}
+	}
+};