if member has role discord.js

else if (command === "addquote" && arg) {
    if(message.member.roles.find(r => r.name === "Admin") || message.member.roles.find(r => rname === "Mod")){
        //Rest of your code
    }let allowedRole = message.guild.roles.find("name", "rolename");
    if (message.member.roles.has(allowedRole.id) {
        // allowed access to command
    } else {
       // not allowed access
    })