warns.js

const discord = require("discord.js");
const fs = require("fs");
const ms = require("ms");
const warns = JSON.parse(fs.readFileSync("./warnings.json", "utf8"));

exports.run = async (client, message, args) => {

    if(!message.member.hasPermissions("MANAGE_MESSAGES")) return message.channel.send("You do not have permission for this command!");

    let wUser = message.guild.member(message.mentions.users.first()) || message.guild.members.get(args[0])
    if(!wUser) return message.channel.send("Please enter a valid user!");
    var warns = JSON.parse(fs.readFileSync(`./warnings.json`))

     try {
    return message.channel.send(`${wUser.user.username} has ${warns[wUser.id].warns} warning(s)`);
    } catch (error) {
        message.channel.send(`${wUser.user.username} has 0 warnings`);
    }
}