xiao/commands/text-edit/say.js

const { Command } = require('discord.js-commando');

module.exports = class SayCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'say',
			aliases: ['copy', 'echo'],
			group: 'text-edit',
			memberName: 'say',
			description: 'Make XiaoBot say what you wish.',
			args: [
				{
					key: 'text',
					prompt: 'What text would you like XiaoBot to say?',
					type: 'string',
					validate: text => {
						if (!text.includes('@everyone') && !text.includes('@here')) return true;
						return 'Invalid text, please do not say everyone or here mentions.';
					}
				}
			]
		});
	}

	run(msg, { text }) {
		return msg.say(text);
	}
};