Haha-Yes/commands/admin/autoresponse.js

const fs = require('fs');
const { Command } = require('discord-akairo');

class autoresponseCommand extends Command {
    constructor() {
        super('autoresponse', {
            aliases: ['autoresponse'],
            category: 'admin',
            args: [
                {
                    id: 'text',
                    type: 'string'
                },
                {
                    id: 'all',
                    type: 'string'
                }
            ],
            userPermissions: ['ADMINISTRATOR'],
            channelRestriction: 'guild',
            description: {
                content: 'enable/disable autoresponse',
                usage: '[enable/disable] (optional) [all]',
                examples: ['enable all']
            }
        });
    }

    async exec(message, args) {
        let text = args.text;
        let all = args.all;

            let autoresponse = {}
            let json = JSON.stringify(autoresponse)

            if (all == 'all') {
                const guild = this.client.guilds.get(message.guild.id);

                fs.readFile('./json/autoresponse.json', 'utf8', function readFileCallback(err, data){
                    if (err){
                        console.log(err);
                    } else {

                    autoresponse = JSON.parse(data); //now it an object
                    guild.channels.forEach(channel => autoresponse [channel] = text)
                    json = JSON.stringify(autoresponse); //convert it back to json
                    json = json.replace(/[<#>]/g, '')
                    fs.writeFile('./json/autoresponse.json', json, 'utf8', function(err) {
                        if(err) {
                            return console.log(err);
                        } 
                })}});

            return message.channel.send('Auto response have been disable/enable on every channel')

            } else if (text == 'disable' || 'enable') {
                fs.readFile('./json/autoresponse.json', 'utf8', function readFileCallback(err, data){
                    if (err){
                        console.log(err);
                    } else {
                    autoresponse = JSON.parse(data); //now it an object
                    autoresponse [message.channel.id] = text
                    json = JSON.stringify(autoresponse); //convert it back to json
                    fs.writeFile('./json/autoresponse.json', json, 'utf8', function(err) {
                        if(err) {
                            return console.log(err);
                        } 
                })}})};
            
            return message.channel.send(`Autoresponse have been ${text}d`);
}}
module.exports = autoresponseCommand;