!(function(e) {
    e.extend({
        uploadPreview: function(l) {
            var i = e.extend({
                    input_field: ".image-input",
                    preview_box: ".image-preview",
                    label_field: ".image-label",
                    label_default: "Choose File",
                    label_selected: "Change File",
                    no_label: !1,
                    success_callback: null,
                },
                l
            );
            return window.File && window.FileList && window.FileReader ?
                void(
                    void 0 !== e(i.input_field) &&
                    null !== e(i.input_field) &&
                    e(i.input_field).change(function() {
                        var l = this.files;
                        if (l.length > 0) {
                            var a = l[0],
                                o = new FileReader();
                            o.addEventListener("load", function(l) {
                                    var o = l.target;
                                    a.type.match("image") ?
                                        (e(i.preview_box).css(
                                                "background-image",
                                                "url(" + o.result + ")"
                                            ),
                                            e(i.preview_box).css("background-size", "cover"),
                                            e(i.preview_box).css(
                                                "background-position",
                                                "center center"
                                            )) :
                                        a.type.match("audio") ?
                                        e(i.preview_box).html(
                                            "<audio controls><source src='" +
                                            o.result +
                                            "' type='" +
                                            a.type +
                                            "' />Your browser does not support the audio element.</audio>"
                                        ) :
                                        alert("This file type is not supported yet.");
                                }),
                                0 == i.no_label && e(i.label_field).html(i.label_selected),
                                o.readAsDataURL(a),
                                i.success_callback && i.success_callback();
                        } else 0 == i.no_label && e(i.label_field).html(i.label_default), e(i.preview_box).css("background-image", "none"), e(i.preview_box + " audio").remove();
                    })
                ) :
                (alert(
                    "You need a browser with file reader support, to use this form properly."
                ), !1);
        },
    });
})(jQuery);