acf-lang-marker-hide.js

jQuery(($) => {
    WPGMZA.Map.prototype.addMarker = function(marker){
		if(!(marker instanceof WPGMZA.Marker))
			throw new Error("Argument must be an instance of WPGMZA.Marker");

        let englishOnly = window.location.href.indexOf('/en/') !== -1 ? true : false;

        if(englishOnly){
            if(marker.link.indexOf('/en/') === -1){
                marker.setVisible(false);
                return;
            }
        } else {
            if(marker.link.indexOf('/en/') !== -1){
                marker.setVisible(false);
                return;
            }
        }
		
		marker.map = this;
		marker.parent = this;
		
		this.markers.push(marker);
		this.dispatchEvent({type: "markeradded", marker: marker});
		marker.dispatchEvent({type: "added"});
	}
});