/**
 * svg4everybody v2.0.0
 * @license CC0 1.0 Universal License
 * github.com/jonathantneal/svg4everybody
 */
!function (root, factory) {
    "function" == typeof define && define.amd ? define([], function () {
        return root.svg4everybody = factory();
    }) : "object" == typeof exports ? module.exports = factory() : root.svg4everybody = factory();
}(this, function () {
    /*! svg4everybody v2.0.0 | github.com/jonathantneal/svg4everybody */
    function embed(svg, g) {
        if (g) {
            var viewBox = !svg.getAttribute("viewBox") && g.getAttribute("viewBox"), fragment = document.createDocumentFragment(), clone = g.cloneNode(!0);
            for (viewBox && svg.setAttribute("viewBox", viewBox); clone.childNodes.length;) {
                fragment.appendChild(clone.firstChild);
            }
            svg.appendChild(fragment);
        }
    }

    function loadreadystatechange(xhr) {
        xhr.onreadystatechange = function () {
            if (4 === xhr.readyState) {
                var x = document.createElement("x");
                x.innerHTML = xhr.responseText, xhr.s.splice(0).map(function (array) {
                    embed(array[0], x.querySelector("#" + array[1].replace(/(\W)/g, "\\$1")));
                });
            }
        }, xhr.onreadystatechange();
    }

    function svg4everybody(opts) {
        function oninterval() {
            for (var use, svg, i = 0; i < uses.length;) {
                if (use = uses[i], svg = use.parentNode, svg && /svg/i.test(svg.nodeName)) {
                    var src = use.getAttribute("xlink:href");
                    if (polyfill && (!validate || validate(src, svg, use))) {
                        var url = src.split("#"), url_root = url[0], url_hash = url[1];
                        if (svg.removeChild(use), url_root.length) {
                            var xhr = svgCache[url_root] = svgCache[url_root] || new XMLHttpRequest();
                            xhr.s || (xhr.s = [], xhr.open("GET", url_root), xhr.send()), xhr.s.push([svg, url_hash]),
                                loadreadystatechange(xhr);
                        } else {
                            embed(svg, document.getElementById(url_hash));
                        }
                    }
                } else {
                    i += 1;
                }
            }
            requestAnimationFrame(oninterval, 17);
        }

        opts = opts || {};
        var uses = document.getElementsByTagName("use"), polyfill = "polyfill" in opts ? opts.polyfill : /\bEdge\/12\b|\bTrident\/[567]\b|\bVersion\/7.0 Safari\b/.test(navigator.userAgent) || (navigator.userAgent.match(/AppleWebKit\/(\d+)/) || [])[1] < 537, validate = opts.validate, requestAnimationFrame = window.requestAnimationFrame || setTimeout, svgCache = {};
        polyfill && oninterval();
    }

    return svg4everybody;
});

svg4everybody();