!function(root, factory) {
    "function" == typeof define && define.amd ? // AMD. Register as an anonymous module unless amdModuleId is set
    define([], function() {
        return root.svg4everybody = factory();
    }) : "object" == typeof module && module.exports ? // Node. Does not work with strict CommonJS, but
    // only CommonJS-like environments that support module.exports,
    // like Node.
    module.exports = factory() : root.svg4everybody = factory();
}(this, function() {
    /*! svg4everybody v2.1.9 | github.com/jonathantneal/svg4everybody */
    function embed(parent, svg, target) {
        // if the target exists
        if (target) {
            // create a document fragment to hold the contents of the target
            var fragment = document.createDocumentFragment(), viewBox = !svg.hasAttribute("viewBox") && target.getAttribute("viewBox");
            // conditionally set the viewBox on the svg
            viewBox && svg.setAttribute("viewBox", viewBox);
            // copy the contents of the clone into the fragment
            for (// clone the target
            var clone = target.cloneNode(!0); clone.childNodes.length; ) {
                fragment.appendChild(clone.firstChild);
            }
            // append the fragment into the svg
            parent.appendChild(fragment);
        }
    }
    function loadreadystatechange(xhr) {
        // listen to changes in the request
        xhr.onreadystatechange = function() {
            // if the request is ready
            if (4 === xhr.readyState) {
                // get the cached html document
                var cachedDocument = xhr._cachedDocument;
                // ensure the cached html document based on the xhr response
                cachedDocument || (cachedDocument = xhr._cachedDocument = document.implementation.createHTMLDocument(""), 
                cachedDocument.body.innerHTML = xhr.responseText, xhr._cachedTarget = {}), // clear the xhr embeds list and embed each item
                xhr._embeds.splice(0).map(function(item) {
                    // get the cached target
                    var target = xhr._cachedTarget[item.id];
                    // ensure the cached target
                    target || (target = xhr._cachedTarget[item.id] = cachedDocument.getElementById(item.id)), 
                    // embed the target into the svg
                    embed(item.parent, item.svg, target);
                });
            }
        }, // test the ready state change immediately
        xhr.onreadystatechange();
    }
    function svg4everybody(rawopts) {
        function oninterval() {
            // while the index exists in the live <use> collection
            for (// get the cached <use> index
            var index = 0; index < uses.length; ) {
                // get the current <use>
                var use = uses[index], parent = use.parentNode, svg = getSVGAncestor(parent), src = use.getAttribute("xlink:href") || use.getAttribute("href");
                if (!src && opts.attributeName && (src = use.getAttribute(opts.attributeName)), 
                svg && src) {
                    // if running with legacy support
                    if (nosvg) {
                        // create a new fallback image
                        var img = document.createElement("img");
                        // force display in older IE
                        img.style.cssText = "display:inline-block;height:100%;width:100%", // set the fallback size using the svg size
                        img.setAttribute("width", svg.getAttribute("width") || svg.clientWidth), img.setAttribute("height", svg.getAttribute("height") || svg.clientHeight), 
                        // set the fallback src
                        img.src = fallback(src, svg, use), // replace the <use> with the fallback image
                        parent.replaceChild(img, use);
                    } else {
                        if (polyfill) {
                            if (!opts.validate || opts.validate(src, svg, use)) {
                                // remove the <use> element
                                parent.removeChild(use);
                                // parse the src and get the url and id
                                var srcSplit = src.split("#"), url = srcSplit.shift(), id = srcSplit.join("#");
                                // if the link is external
                                if (url.length) {
                                    // get the cached xhr request
                                    var xhr = requests[url];
                                    // ensure the xhr request exists
                                    xhr || (xhr = requests[url] = new XMLHttpRequest(), xhr.open("GET", url), xhr.send(), 
                                    xhr._embeds = []), // add the svg and id as an item to the xhr embeds list
                                    xhr._embeds.push({
                                        parent: parent,
                                        svg: svg,
                                        id: id
                                    }), // prepare the xhr ready state change event
                                    loadreadystatechange(xhr);
                                } else {
                                    // embed the local id into the svg
                                    embed(parent, svg, document.getElementById(id));
                                }
                            } else {
                                // increase the index when the previous value was not "valid"
                                ++index, ++numberOfSvgUseElementsToBypass;
                            }
                        }
                    }
                } else {
                    // increase the index when the previous value was not "valid"
                    ++index;
                }
            }
            // continue the interval
            (!uses.length || uses.length - numberOfSvgUseElementsToBypass > 0) && requestAnimationFrame(oninterval, 67);
        }
        var nosvg, fallback, opts = Object(rawopts);
        // configure the fallback method
        fallback = opts.fallback || function(src) {
            return src.replace(/\?[^#]+/, "").replace("#", ".").replace(/^\./, "") + ".png" + (/\?[^#]+/.exec(src) || [ "" ])[0];
        }, // set whether to shiv <svg> and <use> elements and use image fallbacks
        nosvg = "nosvg" in opts ? opts.nosvg : /\bMSIE [1-8]\b/.test(navigator.userAgent), 
        // conditionally shiv <svg> and <use>
        nosvg && (document.createElement("svg"), document.createElement("use"));
        // set whether the polyfill will be activated or not
        var polyfill, olderIEUA = /\bMSIE [1-8]\.0\b/, newerIEUA = /\bTrident\/[567]\b|\bMSIE (?:9|10)\.0\b/, webkitUA = /\bAppleWebKit\/(\d+)\b/, olderEdgeUA = /\bEdge\/12\.(\d+)\b/, edgeUA = /\bEdge\/.(\d+)\b/, inIframe = window.top !== window.self;
        polyfill = "polyfill" in opts ? opts.polyfill : olderIEUA.test(navigator.userAgent) || newerIEUA.test(navigator.userAgent) || (navigator.userAgent.match(olderEdgeUA) || [])[1] < 10547 || (navigator.userAgent.match(webkitUA) || [])[1] < 537 || edgeUA.test(navigator.userAgent) && inIframe;
        // create xhr requests object
        var requests = {}, requestAnimationFrame = window.requestAnimationFrame || setTimeout, uses = document.getElementsByTagName("use"), numberOfSvgUseElementsToBypass = 0;
        // conditionally start the interval if the polyfill is active
        polyfill && oninterval();
    }
    function getSVGAncestor(node) {
        for (var svg = node; "svg" !== svg.nodeName.toLowerCase() && (svg = svg.parentNode); ) {}
        return svg;
    }
    return svg4everybody;
});