Own slick initialize method

slick.init.js

/********************************* Slick **********************************/
window.slickSlider = function(target, props) {
    var _defaults = {
        autoplay: true,
        autoplaySpeed: 4000,
        dots: true,
        infinite: false,
        slidesToShow: 4,
        slidesToScroll: 4,
        responsive: [
        {
            breakpoint: 576,
            settings: {}
        },
        ]
    };

    try {
        if( !props ) props = {};
        this.props = Object.assign(_defaults, props);
    } catch(e) {
        console.log('Init props is demaged.');
        this.props = _defaults;
    }

    this.$slider = $( target );
    this.isInit = false;
}

window.slickSlider.prototype = {
    init: function( minWidth ) {
        if( !this.$slider.length ) return false;

        try {
            if( !this.isInit ) {
                if( undefined !== this.$slider.slick ) {
                    this.$slider.slick( this.props );
                    this.isInit = this.$slider.hasClass('slick-initialized');
                }
                else {
                    console.error('Slick library is not available!');
                }
            }
        } catch(e) {
            console.error(e);
        }
    },
    responsive: function( minWidth ) {
        var self = this;

        if( !minWidth ) minWidth = 992;
        if( !this.$slider.length ) return false;

        $(window).on('load resize', function(e) {
            if( minWidth < $(window).width() ) {
                if( self.isInit ) {
                    self.$slider.slick('unslick');
                    self.isInit = false;
                }
            }
            else {
                self.init();
            }
        });
    }
};

var slick = new slickSlider('.slider', {slidesToShow: 3, slidesToScroll: 1, responsive: [{
        breakpoint: 576,
        settings: {
            slidesToShow: 1
        }
    }]});
slick.responsive();