!(function (root, factory) {
  typeof define === 'function' && define.amd // AMD. Register as an anonymous module unless amdModuleId is set
    ? define([], function () {
      return root.svg4everybody = factory();
    }) : typeof module === 'object' && 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 v2.1.4 | 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(); var 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 (xhr.readyState === 4) {
        // 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]; var parent = use.parentNode; var svg = getSVGAncestor(parent);
        if (svg) {
          var src = use.getAttribute('xlink:href') || use.getAttribute('href');
          if (polyfill && (!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('#'); var url = srcSplit.shift(); var 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, document.getElementById(id));
            }
          }
        } else {
          // increase the index when the previous value was not "valid"
          ++index;
        }
      }
      // continue the interval
      requestAnimationFrame(oninterval, 67);
    }
    var polyfill; var opts = Object(rawopts); var newerIEUA = /\bTrident\/[567]\b|\bMSIE (?:9|10)\.0\b/; var webkitUA = /\bAppleWebKit\/(\d+)\b/; var olderEdgeUA = /\bEdge\/12\.(\d+)\b/;
    polyfill = 'polyfill' in opts ? opts.polyfill : newerIEUA.test(navigator.userAgent) || (navigator.userAgent.match(olderEdgeUA) || [])[1] < 10547 || (navigator.userAgent.match(webkitUA) || [])[1] < 537;
    // create xhr requests object
    var requests = {}; var requestAnimationFrame = window.requestAnimationFrame || setTimeout; var uses = document.getElementsByTagName('use');
    // conditionally start the interval if the polyfill is active
    polyfill && oninterval();
  }
  function getSVGAncestor (node) {
    for (var svg = node; svg.nodeName.toLowerCase() !== 'svg' && (svg = svg.parentNode);) {}
    return svg;
  }
  return svg4everybody;
}));