'use strict';

System.register([], function (_export, _context) {
    "use strict";

    return {
        setters: [],
        execute: function () {
            // Source: https://github.com/jserz/js_piece/blob/master/DOM/ParentNode/append()/append().md
            (function (arr) {
                arr.forEach(function (item) {
                    if (item.hasOwnProperty('append')) {
                        return;
                    }
                    Object.defineProperty(item, 'append', {
                        configurable: true,
                        enumerable: true,
                        writable: true,
                        value: function append() {
                            var argArr = Array.prototype.slice.call(arguments),
                                docFrag = document.createDocumentFragment();

                            argArr.forEach(function (argItem) {
                                var isNode = argItem instanceof Node;
                                docFrag.appendChild(isNode ? argItem : document.createTextNode(String(argItem)));
                            });

                            this.appendChild(docFrag);
                        }
                    });
                });
            })([Element.prototype, Document.prototype, DocumentFragment.prototype]);
        }
    };
});
//# sourceMappingURL=polyfills.js.map