/*!

* Font Awesome Pro 5.0.10 by @fontawesome - https://fontawesome.com
* License - https://fontawesome.com/license (Commercial License)
*/

(function () { 'use strict';

var noop = function noop() {};

var _WINDOW = {}; var _DOCUMENT = {}; var _MUTATION_OBSERVER$1 = null; var _PERFORMANCE = { mark: noop, measure: noop };

try {

if (typeof window !== 'undefined') _WINDOW = window;
if (typeof document !== 'undefined') _DOCUMENT = document;
if (typeof MutationObserver !== 'undefined') _MUTATION_OBSERVER$1 = MutationObserver;
if (typeof performance !== 'undefined') _PERFORMANCE = performance;

} catch (e) {}

var _ref = _WINDOW.navigator || {}; var _ref$userAgent = _ref.userAgent; var userAgent = _ref$userAgent === undefined ? '' : _ref$userAgent;

var WINDOW = _WINDOW; var DOCUMENT = _DOCUMENT; var MUTATION_OBSERVER = _MUTATION_OBSERVER$1; var PERFORMANCE = _PERFORMANCE; var IS_BROWSER = !!WINDOW.document; var IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function'; var IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');

var NAMESPACE_IDENTIFIER = 'FONT_AWESOME'; var UNITS_IN_GRID = 16; var DEFAULT_FAMILY_PREFIX = 'fa'; var DEFAULT_REPLACEMENT_CLASS = 'svg-inline–fa'; var DATA_FA_I2SVG = 'data-fa-i2svg'; var DATA_FA_PSEUDO_ELEMENT = 'data-fa-pseudo-element'; var HTML_CLASS_I2SVG_BASE_CLASS = 'fontawesome-i2svg';

var PRODUCTION = function () {

try {
  return "production" === 'production';
} catch (e) {
  return false;
}

}();

var oneToTen = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; var oneToTwenty = oneToTen.concat([11, 12, 13, 14, 15, 16, 17, 18, 19, 20]);

var ATTRIBUTES_WATCHED_FOR_MUTATION = ['class', 'data-prefix', 'data-icon', 'data-fa-transform', 'data-fa-mask'];

var RESERVED_CLASSES = ['xs', 'sm', 'lg', 'fw', 'ul', 'li', 'border', 'pull-left', 'pull-right', 'spin', 'pulse', 'rotate-90', 'rotate-180', 'rotate-270', 'flip-horizontal', 'flip-vertical', 'stack', 'stack-1x', 'stack-2x', 'inverse', 'layers', 'layers-text', 'layers-counter'].concat(oneToTen.map(function (n) {

return n + 'x';

})).concat(oneToTwenty.map(function (n) {

return 'w-' + n;

}));

var classCallCheck = function (instance, Constructor) {

if (!(instance instanceof Constructor)) {
  throw new TypeError("Cannot call a class as a function");
}

};

var createClass = function () {

function defineProperties(target, props) {
  for (var i = 0; i < props.length; i++) {
    var descriptor = props[i];
    descriptor.enumerable = descriptor.enumerable || false;
    descriptor.configurable = true;
    if ("value" in descriptor) descriptor.writable = true;
    Object.defineProperty(target, descriptor.key, descriptor);
  }
}

return function (Constructor, protoProps, staticProps) {
  if (protoProps) defineProperties(Constructor.prototype, protoProps);
  if (staticProps) defineProperties(Constructor, staticProps);
  return Constructor;
};

}();

var _extends = Object.assign || function (target) {

for (var i = 1; i < arguments.length; i++) {
  var source = arguments[i];

  for (var key in source) {
    if (Object.prototype.hasOwnProperty.call(source, key)) {
      target[key] = source[key];
    }
  }
}

return target;

};

var toConsumableArray = function (arr) {

if (Array.isArray(arr)) {
  for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

  return arr2;
} else {
  return Array.from(arr);
}

};

var initial = WINDOW.FontAwesomeConfig || {}; var initialKeys = Object.keys(initial);

var _default = _extends({

familyPrefix: DEFAULT_FAMILY_PREFIX,
replacementClass: DEFAULT_REPLACEMENT_CLASS,
autoReplaceSvg: true,
autoAddCss: true,
autoA11y: true,
searchPseudoElements: false,
observeMutations: true,
keepOriginalSource: true,
measurePerformance: false,
showMissingIcons: true

}, initial);

if (!_default.autoReplaceSvg) _default.observeMutations = false;

var config = _extends({}, _default);

WINDOW.FontAwesomeConfig = config;

function update(newConfig) {

var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var _params$asNewDefault = params.asNewDefault,
    asNewDefault = _params$asNewDefault === undefined ? false : _params$asNewDefault;

var validKeys = Object.keys(config);
var ok = asNewDefault ? function (k) {
  return ~validKeys.indexOf(k) && !~initialKeys.indexOf(k);
} : function (k) {
  return ~validKeys.indexOf(k);
};

Object.keys(newConfig).forEach(function (configKey) {
  if (ok(configKey)) config[configKey] = newConfig[configKey];
});

}

function auto(value) {

update({
  autoReplaceSvg: value,
  observeMutations: value
});

}

var w = WINDOW || {};

if (!w) w = {}; if (!w.styles) w.styles = {}; if (!w.hooks) w.hooks = {}; if (!w.shims) w.shims = [];

var namespace = w;

var functions = []; var listener = function listener() {

DOCUMENT.removeEventListener('DOMContentLoaded', listener);
loaded = 1;
functions.map(function (fn) {
  return fn();
});

};

var loaded = false;

if (IS_DOM) {

loaded = (DOCUMENT.documentElement.doScroll ? /^loaded|^c/ : /^loaded|^i|^c/).test(DOCUMENT.readyState);

if (!loaded) DOCUMENT.addEventListener('DOMContentLoaded', listener);

}

var domready = function (fn) {

if (!IS_DOM) return;
loaded ? setTimeout(fn, 0) : functions.push(fn);

};

var d = UNITS_IN_GRID;

var meaninglessTransform = {

size: 16,
x: 0,
y: 0,
rotate: 0,
flipX: false,
flipY: false

};

function isReserved(name) {

return ~RESERVED_CLASSES.indexOf(name);

}

function bunker(fn) {

try {
  fn();
} catch (e) {
  if (!PRODUCTION) {
    throw e;
  }
}

}

function insertCss(css) {

if (!css || !IS_DOM) {
  return;
}

var style = DOCUMENT.createElement('style');
style.setAttribute('type', 'text/css');
style.innerHTML = css;

var headChildren = DOCUMENT.head.childNodes;
var beforeChild = null;

for (var i = headChildren.length - 1; i > -1; i--) {
  var child = headChildren[i];
  var tagName = (child.tagName || '').toUpperCase();
  if (['STYLE', 'LINK'].indexOf(tagName) > -1) {
    beforeChild = child;
  }
}

DOCUMENT.head.insertBefore(style, beforeChild);

return css;

}

var _uniqueId = 0;

function nextUniqueId() {

_uniqueId++;

return _uniqueId;

}

function toArray(obj) {

var array = [];

for (var i = (obj || []).length >>> 0; i--;) {
  array[i] = obj[i];
}

return array;

}

function classArray(node) {

if (node.classList) {
  return toArray(node.classList);
} else {
  return (node.getAttribute('class') || '').split(' ').filter(function (i) {
    return i;
  });
}

}

function getIconName(familyPrefix, cls) {

var parts = cls.split('-');
var prefix = parts[0];
var iconName = parts.slice(1).join('-');

if (prefix === familyPrefix && iconName !== '' && !isReserved(iconName)) {
  return iconName;
} else {
  return null;
}

}

function htmlEscape(str) {

return ('' + str).replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;');

}

function joinAttributes(attributes) {

return Object.keys(attributes || {}).reduce(function (acc, attributeName) {
  return acc + (attributeName + '="' + htmlEscape(attributes[attributeName]) + '" ');
}, '').trim();

}

function joinStyles(styles) {

return Object.keys(styles || {}).reduce(function (acc, styleName) {
  return acc + (styleName + ': ' + styles[styleName] + ';');
}, '');

}

function transformIsMeaningful(transform) {

return transform.size !== meaninglessTransform.size || transform.x !== meaninglessTransform.x || transform.y !== meaninglessTransform.y || transform.rotate !== meaninglessTransform.rotate || transform.flipX || transform.flipY;

}

function transformForSvg(_ref) {

var transform = _ref.transform,
    containerWidth = _ref.containerWidth,
    iconWidth = _ref.iconWidth;

var outer = {
  transform: 'translate(' + containerWidth / 2 + ' 256)'
};
var innerTranslate = 'translate(' + transform.x * 32 + ', ' + transform.y * 32 + ') ';
var innerScale = 'scale(' + transform.size / 16 * (transform.flipX ? -1 : 1) + ', ' + transform.size / 16 * (transform.flipY ? -1 : 1) + ') ';
var innerRotate = 'rotate(' + transform.rotate + ' 0 0)';
var inner = {
  transform: innerTranslate + ' ' + innerScale + ' ' + innerRotate
};
var path = {
  transform: 'translate(' + iconWidth / 2 * -1 + ' -256)'
};
return {
  outer: outer,
  inner: inner,
  path: path
};

}

function transformForCss(_ref2) {

var transform = _ref2.transform,
    _ref2$width = _ref2.width,
    width = _ref2$width === undefined ? UNITS_IN_GRID : _ref2$width,
    _ref2$height = _ref2.height,
    height = _ref2$height === undefined ? UNITS_IN_GRID : _ref2$height,
    _ref2$startCentered = _ref2.startCentered,
    startCentered = _ref2$startCentered === undefined ? false : _ref2$startCentered;

var val = '';

if (startCentered && IS_IE) {
  val += 'translate(' + (transform.x / d - width / 2) + 'em, ' + (transform.y / d - height / 2) + 'em) ';
} else if (startCentered) {
  val += 'translate(calc(-50% + ' + transform.x / d + 'em), calc(-50% + ' + transform.y / d + 'em)) ';
} else {
  val += 'translate(' + transform.x / d + 'em, ' + transform.y / d + 'em) ';
}

val += 'scale(' + transform.size / d * (transform.flipX ? -1 : 1) + ', ' + transform.size / d * (transform.flipY ? -1 : 1) + ') ';
val += 'rotate(' + transform.rotate + 'deg) ';

return val;

}

var ALL_SPACE = {

x: 0,
y: 0,
width: '100%',
height: '100%'

};

var makeIconMasking = function (_ref) {

var children = _ref.children,
    attributes = _ref.attributes,
    main = _ref.main,
    mask = _ref.mask,
    transform = _ref.transform;
var mainWidth = main.width,
    mainPath = main.icon;
var maskWidth = mask.width,
    maskPath = mask.icon;

var trans = transformForSvg({ transform: transform, containerWidth: maskWidth, iconWidth: mainWidth });

var maskRect = {
  tag: 'rect',
  attributes: _extends({}, ALL_SPACE, {
    fill: 'white'
  })
};
var maskInnerGroup = {
  tag: 'g',
  attributes: _extends({}, trans.inner),
  children: [{ tag: 'path', attributes: _extends({}, mainPath.attributes, trans.path, { fill: 'black' }) }]
};
var maskOuterGroup = {
  tag: 'g',
  attributes: _extends({}, trans.outer),
  children: [maskInnerGroup]
};
var maskId = 'mask-' + nextUniqueId();
var clipId = 'clip-' + nextUniqueId();
var maskTag = {
  tag: 'mask',
  attributes: _extends({}, ALL_SPACE, {
    id: maskId,
    maskUnits: 'userSpaceOnUse',
    maskContentUnits: 'userSpaceOnUse'
  }),
  children: [maskRect, maskOuterGroup]
};
var defs = {
  tag: 'defs',
  children: [{ tag: 'clipPath', attributes: { id: clipId }, children: [maskPath] }, maskTag]
};

children.push(defs, { tag: 'rect', attributes: _extends({ fill: 'currentColor', 'clip-path': 'url(#' + clipId + ')', mask: 'url(#' + maskId + ')' }, ALL_SPACE) });

return {
  children: children,
  attributes: attributes
};

};

var makeIconStandard = function (_ref) {

var children = _ref.children,
    attributes = _ref.attributes,
    main = _ref.main,
    transform = _ref.transform,
    styles = _ref.styles;

var styleString = joinStyles(styles);

if (styleString.length > 0) {
  attributes['style'] = styleString;
}

if (transformIsMeaningful(transform)) {
  var trans = transformForSvg({ transform: transform, containerWidth: main.width, iconWidth: main.width });
  children.push({
    tag: 'g',
    attributes: _extends({}, trans.outer),
    children: [{
      tag: 'g',
      attributes: _extends({}, trans.inner),
      children: [{
        tag: main.icon.tag,
        children: main.icon.children,
        attributes: _extends({}, main.icon.attributes, trans.path)
      }]
    }]
  });
} else {
  children.push(main.icon);
}

return {
  children: children,
  attributes: attributes
};

};

var asIcon = function (_ref) {

var children = _ref.children,
    main = _ref.main,
    mask = _ref.mask,
    attributes = _ref.attributes,
    styles = _ref.styles,
    transform = _ref.transform;

if (transformIsMeaningful(transform) && main.found && !mask.found) {
  var width = main.width,
      height = main.height;

  var offset = {
    x: width / height / 2,
    y: 0.5
  };
  attributes['style'] = joinStyles(_extends({}, styles, {
    'transform-origin': offset.x + transform.x / 16 + 'em ' + (offset.y + transform.y / 16) + 'em'
  }));
}

return [{
  tag: 'svg',
  attributes: attributes,
  children: children
}];

};

var asSymbol = function (_ref) {

var prefix = _ref.prefix,
    iconName = _ref.iconName,
    children = _ref.children,
    attributes = _ref.attributes,
    symbol = _ref.symbol;

var id = symbol === true ? prefix + '-' + config.familyPrefix + '-' + iconName : symbol;

return [{
  tag: 'svg',
  attributes: {
    style: 'display: none;'
  },
  children: [{
    tag: 'symbol',
    attributes: _extends({}, attributes, { id: id }),
    children: children
  }]
}];

};

function makeInlineSvgAbstract(params) {

var _params$icons = params.icons,
    main = _params$icons.main,
    mask = _params$icons.mask,
    prefix = params.prefix,
    iconName = params.iconName,
    transform = params.transform,
    symbol = params.symbol,
    title = params.title,
    extra = params.extra,
    _params$watchable = params.watchable,
    watchable = _params$watchable === undefined ? false : _params$watchable;

var _ref = mask.found ? mask : main,
    width = _ref.width,
    height = _ref.height;

var widthClass = 'fa-w-' + Math.ceil(width / height * 16);
var attrClass = [config.replacementClass, iconName ? config.familyPrefix + '-' + iconName : '', widthClass].concat(extra.classes).join(' ');

var content = {
  children: [],
  attributes: _extends({}, extra.attributes, {
    'data-prefix': prefix,
    'data-icon': iconName,
    'class': attrClass,
    'role': 'img',
    'xmlns': 'http://www.w3.org/2000/svg',
    'viewBox': '0 0 ' + width + ' ' + height
  })
};

if (watchable) {
  content.attributes[DATA_FA_I2SVG] = '';
}

if (title) content.children.push({ tag: 'title', attributes: { id: content.attributes['aria-labelledby'] || 'title-' + nextUniqueId() }, children: [title] });

var args = _extends({}, content, {
  prefix: prefix,
  iconName: iconName,
  main: main,
  mask: mask,
  transform: transform,
  symbol: symbol,
  styles: extra.styles
});

var _ref2 = mask.found && main.found ? makeIconMasking(args) : makeIconStandard(args),
    children = _ref2.children,
    attributes = _ref2.attributes;

args.children = children;
args.attributes = attributes;

if (symbol) {
  return asSymbol(args);
} else {
  return asIcon(args);
}

}

function makeLayersTextAbstract(params) {

var content = params.content,
    width = params.width,
    height = params.height,
    transform = params.transform,
    title = params.title,
    extra = params.extra,
    _params$watchable2 = params.watchable,
    watchable = _params$watchable2 === undefined ? false : _params$watchable2;

var attributes = _extends({}, extra.attributes, title ? { 'title': title } : {}, {
  'class': extra.classes.join(' ')
});

if (watchable) {
  attributes[DATA_FA_I2SVG] = '';
}

var styles = _extends({}, extra.styles);

if (transformIsMeaningful(transform)) {
  styles['transform'] = transformForCss({ transform: transform, startCentered: true, width: width, height: height });
  styles['-webkit-transform'] = styles['transform'];
}

var styleString = joinStyles(styles);

if (styleString.length > 0) {
  attributes['style'] = styleString;
}

var val = [];

val.push({
  tag: 'span',
  attributes: attributes,
  children: [content]
});

if (title) {
  val.push({ tag: 'span', attributes: { class: 'sr-only' }, children: [title] });
}

return val;

}

var noop$2 = function noop() {}; var p = config.measurePerformance && PERFORMANCE && PERFORMANCE.mark && PERFORMANCE.measure ? PERFORMANCE : { mark: noop$2, measure: noop$2 }; var preamble = 'FA “5.0.10”';

var begin = function begin(name) {

p.mark(preamble + ' ' + name + ' begins');
return function () {
  return end(name);
};

};

var end = function end(name) {

p.mark(preamble + ' ' + name + ' ends');
p.measure(preamble + ' ' + name, preamble + ' ' + name + ' begins', preamble + ' ' + name + ' ends');

};

var perf = { begin: begin, end: end };

'use strict';

/**

* Internal helper to bind a function known to have 4 arguments
* to a given context.
*/

var bindInternal4 = function bindInternal4 (func, thisContext) {

return function (a, b, c, d) {
  return func.call(thisContext, a, b, c, d);
};

};

'use strict';

/**

* # Reduce
*
* A fast object `.reduce()` implementation.
*
* @param  {Object}   subject      The object to reduce over.
* @param  {Function} fn           The reducer function.
* @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
* @param  {Object}   thisContext  The context for the reducer.
* @return {mixed}                 The final result.
*/

var reduce = function fastReduceObject (subject, fn, initialValue, thisContext) {

var keys = Object.keys(subject),
    length = keys.length,
    iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
    i, key, result;

if (initialValue === undefined) {
  i = 1;
  result = subject[keys[0]];
}
else {
  i = 0;
  result = initialValue;
}

for (; i < length; i++) {
  key = keys[i];
  result = iterator(result, subject[key], key, subject);
}

return result;

};

var styles$2 = namespace.styles; var shims = namespace.shims;

var _byUnicode = {}; var _byLigature = {}; var _byOldName = {};

var build = function build() {

var lookup = function lookup(reducer) {
  return reduce(styles$2, function (o, style, prefix) {
    o[prefix] = reduce(style, reducer, {});
    return o;
  }, {});
};

_byUnicode = lookup(function (acc, icon, iconName) {
  acc[icon[3]] = iconName;

  return acc;
});

_byLigature = lookup(function (acc, icon, iconName) {
  var ligatures = icon[2];

  acc[iconName] = iconName;

  ligatures.forEach(function (ligature) {
    acc[ligature] = iconName;
  });

  return acc;
});

var hasRegular = 'far' in styles$2;

_byOldName = reduce(shims, function (acc, shim) {
  var oldName = shim[0];
  var prefix = shim[1];
  var iconName = shim[2];

  if (prefix === 'far' && !hasRegular) {
    prefix = 'fas';
  }

  acc[oldName] = { prefix: prefix, iconName: iconName };

  return acc;
}, {});

};

build();

function byUnicode(prefix, unicode) {

return _byUnicode[prefix][unicode];

}

function byLigature(prefix, ligature) {

return _byLigature[prefix][ligature];

}

function byOldName(name) {

return _byOldName[name] || { prefix: null, iconName: null };

}

var styles$1 = namespace.styles;

var emptyCanonicalIcon = function emptyCanonicalIcon() {

return { prefix: null, iconName: null, rest: [] };

};

function getCanonicalIcon(values) {

return values.reduce(function (acc, cls) {
  var iconName = getIconName(config.familyPrefix, cls);

  if (styles$1[cls]) {
    acc.prefix = cls;
  } else if (iconName) {
    var shim = acc.prefix === 'fa' ? byOldName(iconName) : {};

    acc.iconName = shim.iconName || iconName;
    acc.prefix = shim.prefix || acc.prefix;
  } else if (cls !== config.replacementClass && cls.indexOf('fa-w-') !== 0) {
    acc.rest.push(cls);
  }

  return acc;
}, emptyCanonicalIcon());

}

function iconFromMapping(mapping, prefix, iconName) {

if (mapping && mapping[prefix] && mapping[prefix][iconName]) {
  return {
    prefix: prefix,
    iconName: iconName,
    icon: mapping[prefix][iconName]
  };
}

}

function toHtml(abstractNodes) {

var tag = abstractNodes.tag,
    _abstractNodes$attrib = abstractNodes.attributes,
    attributes = _abstractNodes$attrib === undefined ? {} : _abstractNodes$attrib,
    _abstractNodes$childr = abstractNodes.children,
    children = _abstractNodes$childr === undefined ? [] : _abstractNodes$childr;

if (typeof abstractNodes === 'string') {
  return htmlEscape(abstractNodes);
} else {
  return '<' + tag + ' ' + joinAttributes(attributes) + '>' + children.map(toHtml).join('') + '</' + tag + '>';
}

}

var noop$1 = function noop() {};

function isWatched(node) {

var i2svg = node.getAttribute ? node.getAttribute(DATA_FA_I2SVG) : null;

return typeof i2svg === 'string';

}

function getMutator() {

if (config.autoReplaceSvg === true) {
  return mutators.replace;
}

var mutator = mutators[config.autoReplaceSvg];

return mutator || mutators.replace;

}

var mutators = {

replace: function replace(mutation) {
  var node = mutation[0];
  var abstract = mutation[1];
  var newOuterHTML = abstract.map(function (a) {
    return toHtml(a);
  }).join('\n');

  if (node.parentNode && node.outerHTML) {
    node.outerHTML = newOuterHTML + (config.keepOriginalSource && node.tagName.toLowerCase() !== 'svg' ? '<!-- ' + node.outerHTML + ' -->' : '');
  } else if (node.parentNode) {
    var newNode = document.createElement('span');
    node.parentNode.replaceChild(newNode, node);
    newNode.outerHTML = newOuterHTML;
  }
},
nest: function nest(mutation) {
  var node = mutation[0];
  var abstract = mutation[1];

  // If we already have a replaced node we do not want to continue nesting within it.
  // Short-circuit to the standard replacement
  if (~classArray(node).indexOf(config.replacementClass)) {
    return mutators.replace(mutation);
  }

  var forSvg = new RegExp(config.familyPrefix + '-.*');

  delete abstract[0].attributes.style;

  var splitClasses = abstract[0].attributes.class.split(' ').reduce(function (acc, cls) {
    if (cls === config.replacementClass || cls.match(forSvg)) {
      acc.toSvg.push(cls);
    } else {
      acc.toNode.push(cls);
    }

    return acc;
  }, { toNode: [], toSvg: [] });

  abstract[0].attributes.class = splitClasses.toSvg.join(' ');

  var newInnerHTML = abstract.map(function (a) {
    return toHtml(a);
  }).join('\n');
  node.setAttribute('class', splitClasses.toNode.join(' '));
  node.setAttribute(DATA_FA_I2SVG, '');
  node.innerHTML = newInnerHTML;
}

};

function perform(mutations, callback) {

var callbackFunction = typeof callback === 'function' ? callback : noop$1;

if (mutations.length === 0) {
  callbackFunction();
} else {
  var frame = WINDOW.requestAnimationFrame || function (op) {
    return op();
  };

  frame(function () {
    var mutator = getMutator();
    var mark = perf.begin('mutate');

    mutations.map(mutator);

    mark();

    callbackFunction();
  });
}

}

var disabled = false;

function disableObservation(operation) {

disabled = true;
operation();
disabled = false;

}

var mo = null;

function observe(options) {

if (!MUTATION_OBSERVER) return;

var treeCallback = options.treeCallback,
    nodeCallback = options.nodeCallback,
    pseudoElementsCallback = options.pseudoElementsCallback;

mo = new MUTATION_OBSERVER(function (objects) {
  if (disabled) return;

  toArray(objects).forEach(function (mutationRecord) {
    if (mutationRecord.type === 'childList' && mutationRecord.addedNodes.length > 0 && !isWatched(mutationRecord.addedNodes[0])) {
      if (config.searchPseudoElements) {
        pseudoElementsCallback(mutationRecord.target);
      }

      treeCallback(mutationRecord.target);
    }

    if (mutationRecord.type === 'attributes' && mutationRecord.target.parentNode && config.searchPseudoElements) {
      pseudoElementsCallback(mutationRecord.target.parentNode);
    }

    if (mutationRecord.type === 'attributes' && isWatched(mutationRecord.target) && ~ATTRIBUTES_WATCHED_FOR_MUTATION.indexOf(mutationRecord.attributeName)) {
      if (mutationRecord.attributeName === 'class') {
        var _getCanonicalIcon = getCanonicalIcon(classArray(mutationRecord.target)),
            prefix = _getCanonicalIcon.prefix,
            iconName = _getCanonicalIcon.iconName;

        if (prefix) mutationRecord.target.setAttribute('data-prefix', prefix);
        if (iconName) mutationRecord.target.setAttribute('data-icon', iconName);
      } else {
        nodeCallback(mutationRecord.target);
      }
    }
  });
});

if (!IS_DOM) return;

mo.observe(DOCUMENT.getElementsByTagName('body')[0], {
  childList: true, attributes: true, characterData: true, subtree: true
});

}

function disconnect() {

if (!mo) return;

mo.disconnect();

}

var styleParser = function (node) {

var style = node.getAttribute('style');

var val = [];

if (style) {
  val = style.split(';').reduce(function (acc, style) {
    var styles = style.split(':');
    var prop = styles[0];
    var value = styles.slice(1);

    if (prop && value.length > 0) {
      acc[prop] = value.join(':').trim();
    }

    return acc;
  }, {});
}

return val;

};

function toHex(unicode) {

var result = '';

for (var i = 0; i < unicode.length; i++) {
  var hex = unicode.charCodeAt(i).toString(16);
  result += ('000' + hex).slice(-4);
}

return result;

}

var classParser = function (node) {

var existingPrefix = node.getAttribute('data-prefix');
var existingIconName = node.getAttribute('data-icon');
var innerText = node.innerText !== undefined ? node.innerText.trim() : '';

var val = getCanonicalIcon(classArray(node));

if (existingPrefix && existingIconName) {
  val.prefix = existingPrefix;
  val.iconName = existingIconName;
}

if (val.prefix && innerText.length > 1) {
  val.iconName = byLigature(val.prefix, node.innerText);
} else if (val.prefix && innerText.length === 1) {
  val.iconName = byUnicode(val.prefix, toHex(node.innerText));
}

return val;

};

var parseTransformString = function parseTransformString(transformString) {

var transform = {
  size: 16,
  x: 0,
  y: 0,
  flipX: false,
  flipY: false,
  rotate: 0
};

if (!transformString) {
  return transform;
} else {
  return transformString.toLowerCase().split(' ').reduce(function (acc, n) {
    var parts = n.toLowerCase().split('-');
    var first = parts[0];
    var rest = parts.slice(1).join('-');

    if (first && rest === 'h') {
      acc.flipX = true;
      return acc;
    }

    if (first && rest === 'v') {
      acc.flipY = true;
      return acc;
    }

    rest = parseFloat(rest);

    if (isNaN(rest)) {
      return acc;
    }

    switch (first) {
      case 'grow':
        acc.size = acc.size + rest;
        break;
      case 'shrink':
        acc.size = acc.size - rest;
        break;
      case 'left':
        acc.x = acc.x - rest;
        break;
      case 'right':
        acc.x = acc.x + rest;
        break;
      case 'up':
        acc.y = acc.y - rest;
        break;
      case 'down':
        acc.y = acc.y + rest;
        break;
      case 'rotate':
        acc.rotate = acc.rotate + rest;
        break;
    }

    return acc;
  }, transform);
}

};

var transformParser = function (node) {

return parseTransformString(node.getAttribute('data-fa-transform'));

};

var symbolParser = function (node) {

var symbol = node.getAttribute('data-fa-symbol');

return symbol === null ? false : symbol === '' ? true : symbol;

};

var attributesParser = function (node) {

var extraAttributes = toArray(node.attributes).reduce(function (acc, attr) {
  if (acc.name !== 'class' && acc.name !== 'style') {
    acc[attr.name] = attr.value;
  }
  return acc;
}, {});

var title = node.getAttribute('title');

if (config.autoA11y) {
  if (title) {
    extraAttributes['aria-labelledby'] = config.replacementClass + '-title-' + nextUniqueId();
  } else {
    extraAttributes['aria-hidden'] = 'true';
  }
}

return extraAttributes;

};

var maskParser = function (node) {

var mask = node.getAttribute('data-fa-mask');

if (!mask) {
  return emptyCanonicalIcon();
} else {
  return getCanonicalIcon(mask.split(' ').map(function (i) {
    return i.trim();
  }));
}

};

function parseMeta(node) {

var _classParser = classParser(node),
    iconName = _classParser.iconName,
    prefix = _classParser.prefix,
    extraClasses = _classParser.rest;

var extraStyles = styleParser(node);
var transform = transformParser(node);
var symbol = symbolParser(node);
var extraAttributes = attributesParser(node);
var mask = maskParser(node);

return {
  iconName: iconName,
  title: node.getAttribute('title'),
  prefix: prefix,
  transform: transform,
  symbol: symbol,
  mask: mask,
  extra: {
    classes: extraClasses,
    styles: extraStyles,
    attributes: extraAttributes
  }
};

}

function MissingIcon(error) {

this.name = 'MissingIcon';
this.message = error || 'Icon unavailable';
this.stack = new Error().stack;

}

MissingIcon.prototype = Object.create(Error.prototype); MissingIcon.prototype.constructor = MissingIcon;

var FILL = { fill: 'currentColor' }; var ANIMATION_BASE = {

attributeType: 'XML',
repeatCount: 'indefinite',
dur: '2s'

}; var RING = {

tag: 'path',
attributes: _extends({}, FILL, {
  d: 'M156.5,447.7l-12.6,29.5c-18.7-9.5-35.9-21.2-51.5-34.9l22.7-22.7C127.6,430.5,141.5,440,156.5,447.7z M40.6,272H8.5 c1.4,21.2,5.4,41.7,11.7,61.1L50,321.2C45.1,305.5,41.8,289,40.6,272z M40.6,240c1.4-18.8,5.2-37,11.1-54.1l-29.5-12.6 C14.7,194.3,10,216.7,8.5,240H40.6z M64.3,156.5c7.8-14.9,17.2-28.8,28.1-41.5L69.7,92.3c-13.7,15.6-25.5,32.8-34.9,51.5 L64.3,156.5z M397,419.6c-13.9,12-29.4,22.3-46.1,30.4l11.9,29.8c20.7-9.9,39.8-22.6,56.9-37.6L397,419.6z M115,92.4 c13.9-12,29.4-22.3,46.1-30.4l-11.9-29.8c-20.7,9.9-39.8,22.6-56.8,37.6L115,92.4z M447.7,355.5c-7.8,14.9-17.2,28.8-28.1,41.5 l22.7,22.7c13.7-15.6,25.5-32.9,34.9-51.5L447.7,355.5z M471.4,272c-1.4,18.8-5.2,37-11.1,54.1l29.5,12.6 c7.5-21.1,12.2-43.5,13.6-66.8H471.4z M321.2,462c-15.7,5-32.2,8.2-49.2,9.4v32.1c21.2-1.4,41.7-5.4,61.1-11.7L321.2,462z M240,471.4c-18.8-1.4-37-5.2-54.1-11.1l-12.6,29.5c21.1,7.5,43.5,12.2,66.8,13.6V471.4z M462,190.8c5,15.7,8.2,32.2,9.4,49.2h32.1 c-1.4-21.2-5.4-41.7-11.7-61.1L462,190.8z M92.4,397c-12-13.9-22.3-29.4-30.4-46.1l-29.8,11.9c9.9,20.7,22.6,39.8,37.6,56.9 L92.4,397z M272,40.6c18.8,1.4,36.9,5.2,54.1,11.1l12.6-29.5C317.7,14.7,295.3,10,272,8.5V40.6z M190.8,50 c15.7-5,32.2-8.2,49.2-9.4V8.5c-21.2,1.4-41.7,5.4-61.1,11.7L190.8,50z M442.3,92.3L419.6,115c12,13.9,22.3,29.4,30.5,46.1 l29.8-11.9C470,128.5,457.3,109.4,442.3,92.3z M397,92.4l22.7-22.7c-15.6-13.7-32.8-25.5-51.5-34.9l-12.6,29.5 C370.4,72.1,384.4,81.5,397,92.4z'
})

}; var OPACITY_ANIMATE = _extends({}, ANIMATION_BASE, {

attributeName: 'opacity'

}); var DOT = {

tag: 'circle',
attributes: _extends({}, FILL, {
  cx: '256',
  cy: '364',
  r: '28'
}),
children: [{ tag: 'animate', attributes: _extends({}, ANIMATION_BASE, { attributeName: 'r', values: '28;14;28;28;14;28;' }) }, { tag: 'animate', attributes: _extends({}, OPACITY_ANIMATE, { values: '1;0;1;1;0;1;' }) }]

}; var QUESTION = {

tag: 'path',
attributes: _extends({}, FILL, {
  opacity: '1',
  d: 'M263.7,312h-16c-6.6,0-12-5.4-12-12c0-71,77.4-63.9,77.4-107.8c0-20-17.8-40.2-57.4-40.2c-29.1,0-44.3,9.6-59.2,28.7 c-3.9,5-11.1,6-16.2,2.4l-13.1-9.2c-5.6-3.9-6.9-11.8-2.6-17.2c21.2-27.2,46.4-44.7,91.2-44.7c52.3,0,97.4,29.8,97.4,80.2 c0,67.6-77.4,63.5-77.4,107.8C275.7,306.6,270.3,312,263.7,312z'
}),
children: [{ tag: 'animate', attributes: _extends({}, OPACITY_ANIMATE, { values: '1;0;0;0;0;1;' }) }]

}; var EXCLAMATION = {

tag: 'path',
attributes: _extends({}, FILL, {
  opacity: '0',
  d: 'M232.5,134.5l7,168c0.3,6.4,5.6,11.5,12,11.5h9c6.4,0,11.7-5.1,12-11.5l7-168c0.3-6.8-5.2-12.5-12-12.5h-23 C237.7,122,232.2,127.7,232.5,134.5z'
}),
children: [{ tag: 'animate', attributes: _extends({}, OPACITY_ANIMATE, { values: '0;0;1;1;0;0;' }) }]

};

var missing = { tag: 'g', children: [RING, DOT, QUESTION, EXCLAMATION] };

var styles = namespace.styles;

var LAYERS_TEXT_CLASSNAME = 'fa-layers-text'; var FONT_FAMILY_PATTERN = /Font Awesome 5 (Solid|Regular|Light|Brands)/; var STYLE_TO_PREFIX = {

'Solid': 'fas',
'Regular': 'far',
'Light': 'fal',
'Brands': 'fab'

};

function findIcon(iconName, prefix) {

var val = {
  found: false,
  width: 512,
  height: 512,
  icon: missing
};

if (iconName && prefix && styles[prefix] && styles[prefix][iconName]) {
  var icon = styles[prefix][iconName];
  var width = icon[0];
  var height = icon[1];
  var vectorData = icon.slice(4);

  val = {
    found: true,
    width: width,
    height: height,
    icon: { tag: 'path', attributes: { fill: 'currentColor', d: vectorData[0] } }
  };
} else if (iconName && prefix && !config.showMissingIcons) {
  throw new MissingIcon('Icon is missing for prefix ' + prefix + ' with icon name ' + iconName);
}

return val;

}

function generateSvgReplacementMutation(node, nodeMeta) {

var iconName = nodeMeta.iconName,
    title = nodeMeta.title,
    prefix = nodeMeta.prefix,
    transform = nodeMeta.transform,
    symbol = nodeMeta.symbol,
    mask = nodeMeta.mask,
    extra = nodeMeta.extra;

return [node, makeInlineSvgAbstract({
  icons: {
    main: findIcon(iconName, prefix),
    mask: findIcon(mask.iconName, mask.prefix)
  },
  prefix: prefix,
  iconName: iconName,
  transform: transform,
  symbol: symbol,
  mask: mask,
  title: title,
  extra: extra,
  watchable: true
})];

}

function generateLayersText(node, nodeMeta) {

var title = nodeMeta.title,
    transform = nodeMeta.transform,
    extra = nodeMeta.extra;

var width = null;
var height = null;

if (IS_IE) {
  var computedFontSize = parseInt(getComputedStyle(node).fontSize, 10);
  var boundingClientRect = node.getBoundingClientRect();
  width = boundingClientRect.width / computedFontSize;
  height = boundingClientRect.height / computedFontSize;
}

if (config.autoA11y && !title) {
  extra.attributes['aria-hidden'] = 'true';
}

return [node, makeLayersTextAbstract({
  content: node.innerHTML,
  width: width,
  height: height,
  transform: transform,
  title: title,
  extra: extra,
  watchable: true
})];

}

function generateMutation(node) {

var nodeMeta = parseMeta(node);

if (~nodeMeta.extra.classes.indexOf(LAYERS_TEXT_CLASSNAME)) {
  return generateLayersText(node, nodeMeta);
} else {
  return generateSvgReplacementMutation(node, nodeMeta);
}

}

function remove(node) {

if (typeof node.remove === 'function') {
  node.remove();
} else if (node && node.parentNode) {
  node.parentNode.removeChild(node);
}

}

function searchPseudoElements(root) {

if (!IS_DOM) return;

var end = perf.begin('searchPseudoElements');

disableObservation(function () {
  toArray(root.querySelectorAll('*')).forEach(function (node) {
    [':before', ':after'].forEach(function (pos) {
      var styles = WINDOW.getComputedStyle(node, pos);
      var fontFamily = styles.getPropertyValue('font-family').match(FONT_FAMILY_PATTERN);
      var children = toArray(node.children);
      var pseudoElement = children.filter(function (c) {
        return c.getAttribute(DATA_FA_PSEUDO_ELEMENT) === pos;
      })[0];

      if (pseudoElement) {
        if (pseudoElement.nextSibling && pseudoElement.nextSibling.textContent.indexOf(DATA_FA_PSEUDO_ELEMENT) > -1) {
          remove(pseudoElement.nextSibling);
        }
        remove(pseudoElement);
        pseudoElement = null;
      }

      if (fontFamily && !pseudoElement) {
        var content = styles.getPropertyValue('content');
        var i = DOCUMENT.createElement('i');
        i.setAttribute('class', '' + STYLE_TO_PREFIX[fontFamily[1]]);
        i.setAttribute(DATA_FA_PSEUDO_ELEMENT, pos);
        i.innerText = content.length === 3 ? content.substr(1, 1) : content;
        if (pos === ':before') {
          node.insertBefore(i, node.firstChild);
        } else {
          node.appendChild(i);
        }
      }
    });
  });
});

end();

}

function onTree(root) {

var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

if (!IS_DOM) return;

var htmlClassList = DOCUMENT.documentElement.classList;
var hclAdd = function hclAdd(suffix) {
  return htmlClassList.add(HTML_CLASS_I2SVG_BASE_CLASS + '-' + suffix);
};
var hclRemove = function hclRemove(suffix) {
  return htmlClassList.remove(HTML_CLASS_I2SVG_BASE_CLASS + '-' + suffix);
};
var prefixes = Object.keys(styles);
var prefixesDomQuery = ['.' + LAYERS_TEXT_CLASSNAME + ':not([' + DATA_FA_I2SVG + '])'].concat(prefixes.map(function (p) {
  return '.' + p + ':not([' + DATA_FA_I2SVG + '])';
})).join(', ');

if (prefixesDomQuery.length === 0) {
  return;
}

var candidates = toArray(root.querySelectorAll(prefixesDomQuery));

if (candidates.length > 0) {
  hclAdd('pending');
  hclRemove('complete');
} else {
  return;
}

var mark = perf.begin('onTree');

var mutations = candidates.reduce(function (acc, node) {
  try {
    var mutation = generateMutation(node);

    if (mutation) {
      acc.push(mutation);
    }
  } catch (e) {
    if (!PRODUCTION) {
      if (e instanceof MissingIcon) {
        console.error(e);
      }
    }
  }

  return acc;
}, []);

mark();

perform(mutations, function () {
  hclAdd('active');
  hclAdd('complete');
  hclRemove('pending');

  if (typeof callback === 'function') callback();
});

}

function onNode(node) {

var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

var mutation = generateMutation(node);

if (mutation) {
  perform([mutation], callback);
}

}

var baseStyles = “svg:not(:root).svg-inline–fa{overflow:visible}.svg-inline–fa{display:inline-block;font-size:inherit;height:1em;overflow:visible;vertical-align:-.125em}.svg-inline–fa.fa-lg{vertical-align:-.225em}.svg-inline–fa.fa-w-1{width:.0625em}.svg-inline–fa.fa-w-2{width:.125em}.svg-inline–fa.fa-w-3{width:.1875em}.svg-inline–fa.fa-w-4{width:.25em}.svg-inline–fa.fa-w-5{width:.3125em}.svg-inline–fa.fa-w-6{width:.375em}.svg-inline–fa.fa-w-7{width:.4375em}.svg-inline–fa.fa-w-8{width:.5em}.svg-inline–fa.fa-w-9{width:.5625em}.svg-inline–fa.fa-w-10{width:.625em}.svg-inline–fa.fa-w-11{width:.6875em}.svg-inline–fa.fa-w-12{width:.75em}.svg-inline–fa.fa-w-13{width:.8125em}.svg-inline–fa.fa-w-14{width:.875em}.svg-inline–fa.fa-w-15{width:.9375em}.svg-inline–fa.fa-w-16{width:1em}.svg-inline–fa.fa-w-17{width:1.0625em}.svg-inline–fa.fa-w-18{width:1.125em}.svg-inline–fa.fa-w-19{width:1.1875em}.svg-inline–fa.fa-w-20{width:1.25em}.svg-inline–fa.fa-pull-left{margin-right:.3em;width:auto}.svg-inline–fa.fa-pull-right{margin-left:.3em;width:auto}.svg-inline–fa.fa-border{height:1.5em}.svg-inline–fa.fa-li{width:2em}.svg-inline–fa.fa-fw{width:1.25em}.fa-layers svg.svg-inline–fa{bottom:0;left:0;margin:auto;position:absolute;right:0;top:0}.fa-layers{display:inline-block;height:1em;position:relative;text-align:center;vertical-align:-.125em;width:1em}.fa-layers svg.svg-inline–fa{-webkit-transform-origin:center center;transform-origin:center center}.fa-layers-counter,.fa-layers-text{display:inline-block;position:absolute;text-align:center}.fa-layers-text{left:50%;top:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);-webkit-transform-origin:center center;transform-origin:center center}.fa-layers-counter{background-color:#ff253a;border-radius:1em;-webkit-box-sizing:border-box;box-sizing:border-box;color:#fff;height:1.5em;line-height:1;max-width:5em;min-width:1.5em;overflow:hidden;padding:.25em;right:0;text-overflow:ellipsis;top:0;-webkit-transform:scale(.25);transform:scale(.25);-webkit-transform-origin:top right;transform-origin:top right}.fa-layers-bottom-right{bottom:0;right:0;top:auto;-webkit-transform:scale(.25);transform:scale(.25);-webkit-transform-origin:bottom right;transform-origin:bottom right}.fa-layers-bottom-left{bottom:0;left:0;right:auto;top:auto;-webkit-transform:scale(.25);transform:scale(.25);-webkit-transform-origin:bottom left;transform-origin:bottom left}.fa-layers-top-right{right:0;top:0;-webkit-transform:scale(.25);transform:scale(.25);-webkit-transform-origin:top right;transform-origin:top right}.fa-layers-top-left{left:0;right:auto;top:0;-webkit-transform:scale(.25);transform:scale(.25);-webkit-transform-origin:top left;transform-origin:top left}.fa-lg{font-size:1.33333em;line-height:.75em;vertical-align:-.0667em}.fa-xs{font-size:.75em}.fa-sm{font-size:.875em}.fa-1x{font-size:1em}.fa-2x{font-size:2em}.fa-3x{font-size:3em}.fa-4x{font-size:4em}.fa-5x{font-size:5em}.fa-6x{font-size:6em}.fa-7x{font-size:7em}.fa-8x{font-size:8em}.fa-9x{font-size:9em}.fa-10x{font-size:10em}.fa-fw{text-align:center;width:1.25em}.fa-ul{list-style-type:none;margin-left:2.5em;padding-left:0}.fa-ul>li{position:relative}.fa-li{left:-2em;position:absolute;text-align:center;width:2em;line-height:inherit}.fa-border{border:solid .08em eee;border-radius:.1em;padding:.2em .25em .15em}.fa-pull-left{float:left}.fa-pull-right{float:right}.fa.fa-pull-left,.fab.fa-pull-left,.fal.fa-pull-left,.far.fa-pull-left,.fas.fa-pull-left{margin-right:.3em}.fa.fa-pull-right,.fab.fa-pull-right,.fal.fa-pull-right,.far.fa-pull-right,.fas.fa-pull-right{margin-left:.3em}.fa-spin{-webkit-animation:fa-spin 2s infinite linear;animation:fa-spin 2s infinite linear}.fa-pulse{-webkit-animation:fa-spin 1s infinite steps(8);animation:fa-spin 1s infinite steps(8)}@-webkit-keyframes fa-spin{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes fa-spin{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}.fa-rotate-90{-webkit-transform:rotate(90deg);transform:rotate(90deg)}.fa-rotate-180{-webkit-transform:rotate(180deg);transform:rotate(180deg)}.fa-rotate-270{-webkit-transform:rotate(270deg);transform:rotate(270deg)}.fa-flip-horizontal{-webkit-transform:scale(-1,1);transform:scale(-1,1)}.fa-flip-vertical{-webkit-transform:scale(1,-1);transform:scale(1,-1)}.fa-flip-horizontal.fa-flip-vertical{-webkit-transform:scale(-1,-1);transform:scale(-1,-1)}:root .fa-flip-horizontal,:root .fa-flip-vertical,:root .fa-rotate-180,:root .fa-rotate-270,:root .fa-rotate-90{-webkit-filter:none;filter:none}.fa-stack{display:inline-block;height:2em;position:relative;width:2em}.fa-stack-1x,.fa-stack-2x{bottom:0;left:0;margin:auto;position:absolute;right:0;top:0}.svg-inline–fa.fa-stack-1x{height:1em;width:1em}.svg-inline–fa.fa-stack-2x{height:2em;width:2em}.fa-inverse{color:#fff}.sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.sr-only-focusable:active,.sr-only-focusable:focus{clip:auto;height:auto;margin:0;overflow:visible;position:static;width:auto}”;

var css = function () {

var dfp = DEFAULT_FAMILY_PREFIX;
var drc = DEFAULT_REPLACEMENT_CLASS;
var fp = config.familyPrefix;
var rc = config.replacementClass;
var s = baseStyles;

if (fp !== dfp || rc !== drc) {
  var dPatt = new RegExp('\\.' + dfp + '\\-', 'g');
  var rPatt = new RegExp('\\.' + drc, 'g');

  s = s.replace(dPatt, '.' + fp + '-').replace(rPatt, '.' + rc);
}

return s;

};

function define(prefix, icons) {

var normalized = Object.keys(icons).reduce(function (acc, iconName) {
  var icon = icons[iconName];
  var expanded = !!icon.icon;

  if (expanded) {
    acc[icon.iconName] = icon.icon;
  } else {
    acc[iconName] = icon;
  }
  return acc;
}, {});

if (typeof namespace.hooks.addPack === 'function') {
  namespace.hooks.addPack(prefix, normalized);
} else {
  namespace.styles[prefix] = _extends({}, namespace.styles[prefix] || {}, normalized);
}

/**
 * Font Awesome 4 used the prefix of `fa` for all icons. With the introduction
 * of new styles we needed to differentiate between them. Prefix `fa` is now an alias
 * for `fas` so we'll easy the upgrade process for our users by automatically defining
 * this as well.
 */
if (prefix === 'fas') {
  define('fa', icons);
}

}

var Library = function () {

function Library() {
  classCallCheck(this, Library);

  this.definitions = {};
}

createClass(Library, [{
  key: 'add',
  value: function add() {
    var _this = this;

    for (var _len = arguments.length, definitions = Array(_len), _key = 0; _key < _len; _key++) {
      definitions[_key] = arguments[_key];
    }

    var additions = definitions.reduce(this._pullDefinitions, {});

    Object.keys(additions).forEach(function (key) {
      _this.definitions[key] = _extends({}, _this.definitions[key] || {}, additions[key]);
      define(key, additions[key]);
    });
  }
}, {
  key: 'reset',
  value: function reset() {
    this.definitions = {};
  }
}, {
  key: '_pullDefinitions',
  value: function _pullDefinitions(additions, definition) {
    var normalized = definition.prefix && definition.iconName && definition.icon ? { 0: definition } : definition;

    Object.keys(normalized).map(function (key) {
      var _normalized$key = normalized[key],
          prefix = _normalized$key.prefix,
          iconName = _normalized$key.iconName,
          icon = _normalized$key.icon;

      if (!additions[prefix]) additions[prefix] = {};

      additions[prefix][iconName] = icon;
    });

    return additions;
  }
}]);
return Library;

}();

function prepIcon(icon) {

var width = icon[0];
var height = icon[1];
var vectorData = icon.slice(4);

return {
  found: true,
  width: width,
  height: height,
  icon: { tag: 'path', attributes: { fill: 'currentColor', d: vectorData[0] } }
};

}

var _cssInserted = false;

function ensureCss() {

if (!config.autoAddCss) {
  return;
}

if (!_cssInserted) {
  insertCss(css());
}

_cssInserted = true;

}

function apiObject(val, abstractCreator) {

Object.defineProperty(val, 'abstract', {
  get: abstractCreator
});

Object.defineProperty(val, 'html', {
  get: function get() {
    return val.abstract.map(function (a) {
      return toHtml(a);
    });
  }
});

Object.defineProperty(val, 'node', {
  get: function get() {
    if (!IS_DOM) return;

    var container = DOCUMENT.createElement('div');
    container.innerHTML = val.html;
    return container.children;
  }
});

return val;

}

function findIconDefinition(params) {

var _params$prefix = params.prefix,
    prefix = _params$prefix === undefined ? 'fa' : _params$prefix,
    iconName = params.iconName;

if (!iconName) return;

return iconFromMapping(library.definitions, prefix, iconName) || iconFromMapping(namespace.styles, prefix, iconName);

}

function resolveIcons(next) {

return function (maybeIconDefinition) {
  var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

  var iconDefinition = (maybeIconDefinition || {}).icon ? maybeIconDefinition : findIconDefinition(maybeIconDefinition || {});

  var mask = params.mask;

  if (mask) {
    mask = (mask || {}).icon ? mask : findIconDefinition(mask || {});
  }

  return next(iconDefinition, _extends({}, params, { mask: mask }));
};

}

var library = new Library();

var noAuto = function noAuto() {

auto(false);
disconnect();

};

var dom = {

i2svg: function i2svg() {
  var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

  if (IS_DOM) {
    ensureCss();

    var _params$node = params.node,
        node = _params$node === undefined ? DOCUMENT : _params$node,
        _params$callback = params.callback,
        callback = _params$callback === undefined ? function () {} : _params$callback;

    if (config.searchPseudoElements) {
      searchPseudoElements(node);
    }

    onTree(node, callback);
  }
},

css: css,

insertCss: function insertCss$$1() {
  insertCss(css());
}

};

var parse = {

transform: function transform(transformString) {
  return parseTransformString(transformString);
}

};

var icon = resolveIcons(function (iconDefinition) {

var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var _params$transform = params.transform,
    transform = _params$transform === undefined ? meaninglessTransform : _params$transform,
    _params$symbol = params.symbol,
    symbol = _params$symbol === undefined ? false : _params$symbol,
    _params$mask = params.mask,
    mask = _params$mask === undefined ? null : _params$mask,
    _params$title = params.title,
    title = _params$title === undefined ? null : _params$title,
    _params$classes = params.classes,
    classes = _params$classes === undefined ? [] : _params$classes,
    _params$attributes = params.attributes,
    attributes = _params$attributes === undefined ? {} : _params$attributes,
    _params$styles = params.styles,
    styles = _params$styles === undefined ? {} : _params$styles;

if (!iconDefinition) return;

var prefix = iconDefinition.prefix,
    iconName = iconDefinition.iconName,
    icon = iconDefinition.icon;

return apiObject(_extends({ type: 'icon' }, iconDefinition), function () {
  ensureCss();

  if (config.autoA11y) {
    if (title) {
      attributes['aria-labelledby'] = config.replacementClass + '-title-' + nextUniqueId();
    } else {
      attributes['aria-hidden'] = 'true';
    }
  }

  return makeInlineSvgAbstract({
    icons: {
      main: prepIcon(icon),
      mask: mask ? prepIcon(mask.icon) : { found: false, width: null, height: null, icon: {} }
    },
    prefix: prefix,
    iconName: iconName,
    transform: _extends({}, meaninglessTransform, transform),
    symbol: symbol,
    title: title,
    extra: {
      attributes: attributes,
      styles: styles,
      classes: classes
    }
  });
});

});

var text = function text(content) {

var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
var _params$transform2 = params.transform,
    transform = _params$transform2 === undefined ? meaninglessTransform : _params$transform2,
    _params$title2 = params.title,
    title = _params$title2 === undefined ? null : _params$title2,
    _params$classes2 = params.classes,
    classes = _params$classes2 === undefined ? [] : _params$classes2,
    _params$attributes2 = params.attributes,
    attributes = _params$attributes2 === undefined ? {} : _params$attributes2,
    _params$styles2 = params.styles,
    styles = _params$styles2 === undefined ? {} : _params$styles2;

return apiObject({ type: 'text', content: content }, function () {
  ensureCss();

  return makeLayersTextAbstract({
    content: content,
    transform: _extends({}, meaninglessTransform, transform),
    title: title,
    extra: {
      attributes: attributes,
      styles: styles,
      classes: [config.familyPrefix + '-layers-text'].concat(toConsumableArray(classes))
    }
  });
});

};

var layer = function layer(assembler) {

return apiObject({ type: 'layer' }, function () {
  ensureCss();

  var children = [];

  assembler(function (args) {
    Array.isArray(args) ? args.map(function (a) {
      children = children.concat(a.abstract);
    }) : children = children.concat(args.abstract);
  });

  return [{
    tag: 'span',
    attributes: { class: config.familyPrefix + '-layers' },
    children: children
  }];
});

};

var api = {

noAuto: noAuto,
dom: dom,
library: library,
parse: parse,
findIconDefinition: findIconDefinition,
icon: icon,
text: text,
layer: layer

};

var autoReplace = function autoReplace() {

if (IS_DOM && config.autoReplaceSvg) api.dom.i2svg({ node: DOCUMENT });

};

function bootstrap() {

if (IS_BROWSER) {
  if (!WINDOW.FontAwesome) {
    WINDOW.FontAwesome = api;
  }

  domready(function () {
    if (Object.keys(namespace.styles).length > 0) {
      autoReplace();
    }

    if (config.observeMutations && typeof MutationObserver === 'function') {
      observe({
        treeCallback: onTree,
        nodeCallback: onNode,
        pseudoElementsCallback: searchPseudoElements
      });
    }
  });
}

namespace.hooks = _extends({}, namespace.hooks, {

  addPack: function addPack(prefix, icons) {
    namespace.styles[prefix] = _extends({}, namespace.styles[prefix] || {}, icons);

    build();
    autoReplace();
  },

  addShims: function addShims(shims) {
    var _namespace$shims;

    (_namespace$shims = namespace.shims).push.apply(_namespace$shims, toConsumableArray(shims));

    build();
    autoReplace();
  }
});

}

Object.defineProperty(api, 'config', {

get: function get() {
  return config;
},

set: function set(newConfig) {
  update(newConfig);
}

});

bunker(bootstrap);

}());