Add features from Auto

commands/code/beautify.js

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+const Command = require('../../structures/Command');
+const { js_beautify: beautify } = require('js-beautify');
+const { stripIndents } = require('common-tags');
+
+module.exports = class BeautifyCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'beautify',
+			aliases: ['js-beautify'],
+			group: 'code',
+			memberName: 'lint',
+			description: 'Beautifies code with js-beautify.',
+			clientPermissions: ['READ_MESSAGE_HISTORY'],
+			args: [
+				{
+					key: 'code',
+					prompt: 'What code do you want to beautify?',
+					type: 'code'
+				}
+			]
+		});
+	}
+
+	async run(msg, { code }) {
+		return msg.reply(stripIndents`
+			\`\`\`${code.lang || 'js'}
+			${beautify(code.code)}
+			\`\`\`
+		`);
+	}
+};

commands/code/lint-rule.js

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+const Command = require('../../structures/Command');
+const { MessageEmbed } = require('discord.js');
+const { Linter } = require('eslint');
+const linter = new Linter();
+const rules = linter.getRules();
+
+module.exports = class LintRuleCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'lint-rule',
+			aliases: ['eslint-rule'],
+			group: 'code',
+			memberName: 'lint-rule',
+			description: 'Responds with information on an ESLint rule.',
+			clientPermissions: ['EMBED_LINKS'],
+			args: [
+				{
+					key: 'rule',
+					prompt: 'Which rule would you like to get information on?',
+					type: 'string',
+					parse: rule => rule.toLowerCase().replace(/ /g, '-')
+				}
+			]
+		});
+	}
+
+	run(msg, { rule }) {
+		if (!rules.has(rule)) return msg.say('Could not find any results.');
+		const data = rules.get(rule).meta;
+		const embed = new MessageEmbed()
+			.setAuthor('ESLint', 'https://i.imgur.com/04GhEhU.png', 'https://eslint.org/')
+			.setColor(0x3A33D1)
+			.setTitle(`${rule} (${data.docs.category})`)
+			.setURL(`https://eslint.org/docs/rules/${rule}`)
+			.setDescription(data.docs.description);
+		return msg.embed(embed);
+	}
+};

commands/code/lint.js

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+const Command = require('../../structures/Command');
+const { Linter } = require('eslint');
+const linter = new Linter();
+const { stripIndents } = require('common-tags');
+const { trimArray } = require('../../util/Util');
+const { goodMessages, badMessages, defaultConfig } = require('../../assets/json/lint');
+
+module.exports = class LintCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'lint',
+			aliases: ['eslint'],
+			group: 'code',
+			memberName: 'lint',
+			description: 'Lints code using ESLint.',
+			clientPermissions: ['READ_MESSAGE_HISTORY'],
+			args: [
+				{
+					key: 'code',
+					prompt: 'What code do you want to lint?',
+					type: 'code'
+				}
+			]
+		});
+	}
+
+	async run(msg, { code }) {
+		if (!code.lang || ['js', 'javascript'].includes(code.lang)) {
+			const errors = linter.verify(code.code, defaultConfig);
+			if (!errors.length) return msg.reply(goodMessages[Math.floor(Math.random() * goodMessages.length)]);
+			const errorMap = trimArray(errors.map(err => `\`[${err.line}:${err.column}] ${err.message}\``));
+			return msg.reply(stripIndents`
+				${badMessages[Math.floor(Math.random() * badMessages.length)]}
+				${errorMap.join('\n')}
+			`);
+		}
+		if (code.lang === 'json') {
+			try {
+				JSON.parse(code.code);
+				return msg.reply(goodMessages[Math.floor(Math.random() * goodMessages.length)]);
+			} catch (err) {
+				return msg.reply(stripIndents`
+					${badMessages[Math.floor(Math.random() * badMessages.length)]}
+					\`${err.name}: ${err.message}\`
+				`);
+			}
+		}
+		return msg.reply('I don\'t know how to lint that language.');
+	}
+};