example.js

import $ from 'jquery';
import  {settings} from './config';

export class Bid
{

    
    constructor()
    {
        this.user_id = parseInt($('input[name=uuid]').val());
    }

    /**
     * Fetch new seconds and a bid from theddddd
     */
    sendBid(socket)
    {

        let user_id = parseInt($('input[name=uuid]').val());

        /**
         * Like button
         */
        $(document).on('click','.btn-like',function () {

            let aap_id = parseInt($(this).attr('data-aap_id'));
            let profile_id = parseInt($(this).attr('data-profile'));
            let is_inactive = $("#like-wrapper-"+aap_id).attr('class') === 'button-wrapper-inactive';
            if(!is_inactive) {
                $(this).addClass('profile-button-active').removeClass('profile-button-inactive');
                socket.emit('send_bid',{
                    aap_id:aap_id,
                    profile_id:profile_id,
                    user_id:user_id,
                    bid_type:settings.bid_types.like
                });
            }

        });


        /**
         * Heart button
         */
        $(document).on('click','.btn-heart-red',function () {
            let aap_id = parseInt($(this).attr('data-aap_id'));
            let profile_id = parseInt($(this).attr('data-profile'));
            let is_inactive = $("#heartwrapper-"+aap_id).attr('class') === 'button-wrapper-inactive';
            if(!is_inactive) {
                $(this).addClass('profile-button-active').removeClass('profile-button-inactive');
                socket.emit('send_bid',{
                    aap_id:aap_id,
                    profile_id:profile_id,
                    user_id:user_id,
                    bid_type:settings.bid_types.heart
                });
            }

        });


        /**
         * The golden heart
         */
        $(document).on('click','.btn-heart-yellow',function () {
            let aap_id = parseInt($(this).attr('data-aap_id'));
            let profile_id = parseInt($(this).attr('data-profile'));
            let is_inactive = $("#heartwrapper-"+aap_id).attr('class') === 'button-wrapper-inactive';
            $(this).addClass('profile-button-active');
            if(!is_inactive) {
                socket.emit('send_bid',{
                    aap_id:aap_id,
                    profile_id:profile_id,
                    user_id:user_id,
                    bid_type:settings.bid_types.gold_heart
                });
            }

        });





    }



}

Voor user_id moet dit beschikbaar zijn.

Dus
let user_id = null;

voor de

export class Bid {
}

Binnen de constructor zo is this.user_id beschikbaar

this.user_id = parseInt($('input[name=uuid]').val());

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