Use Sherlock to parse times

commands/other/timer.js

@@ -1,4 +1,5 @@
 const Command = require('../../structures/Command');
+const moment = require('moment');
 
 module.exports = class TimerCommand extends Command {
 	constructor(client) {
@@ -10,10 +11,8 @@ module.exports = class TimerCommand extends Command {
 			args: [
 				{
 					key: 'time',
-					prompt: 'How long should the timer last (in seconds)?',
-					type: 'integer',
-					max: 600,
-					min: 1
+					prompt: 'How long should the timer last?',
+					type: 'sherlock'
 				}
 			]
 		});
@@ -23,11 +22,13 @@ module.exports = class TimerCommand extends Command {
 
 	run(msg, { time }) {
 		if (this.timers.has(msg.channel.id)) return msg.reply('Only one timer can be set per channel.');
-		const display = time > 59 ? `${Math.trunc(time / 60)} minutes, ${time % 60} seconds` : `${time} seconds`;
+		const timeMs = time.startDate.getTime() - Date.now();
+		if (timeMs > 600000) return msg.reply('Times above 10 minutes are not currently supported. Sorry!');
+		const display = moment().add(timeMs, 'ms').fromNow();
 		const timeout = setTimeout(async () => {
 			await msg.channel.send(`🕰️ Your **${display}** timer is finished ${msg.author}!`);
 			this.timers.delete(msg.channel.id);
-		}, time * 1000);
+		}, timeMs);
 		this.timers.set(msg.channel.id, timeout);
 		return msg.say(`🕰️ Set a timer for **${display}**.`);
 	}

package.json

@@ -57,6 +57,7 @@
 		"pokersolver": "^2.1.4",
 		"random-js": "^2.1.0",
 		"rss-parser": "^3.9.0",
+		"sherlockjs": "^1.4.0",
 		"stackblur-canvas": "^2.4.0",
 		"tesseract.js": "^2.1.4",
 		"winston": "^3.3.3"

types/sherlock.js

@@ -0,0 +1,18 @@
+const { ArgumentType } = require('discord.js-commando');
+const sherlock = require('sherlockjs');
+
+module.exports = class SherlockType extends ArgumentType {
+	constructor(client) {
+		super(client, 'sherlock');
+	}
+
+	validate(value) {
+		const time = sherlock.parse(value);
+		if (!time.startDate) return `Please provide a valid starting time.`;
+		return true;
+	}
+
+	parse(value) {
+		return sherlock.parse(value);
+	}
+};