talos

1
/*!
2
 * Font Awesome Free 5.15.4 by @fontawesome - https://fontawesome.com
3
 * License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
4
 */
5
(function () {
6
  'use strict';
7

8
  function _typeof(obj) {
9
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
10
      _typeof = function (obj) {
11
        return typeof obj;
12
      };
13
    } else {
14
      _typeof = function (obj) {
15
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
16
      };
17
    }
18

19
    return _typeof(obj);
20
  }
21

22
  function _classCallCheck(instance, Constructor) {
23
    if (!(instance instanceof Constructor)) {
24
      throw new TypeError("Cannot call a class as a function");
25
    }
26
  }
27

28
  function _defineProperties(target, props) {
29
    for (var i = 0; i < props.length; i++) {
30
      var descriptor = props[i];
31
      descriptor.enumerable = descriptor.enumerable || false;
32
      descriptor.configurable = true;
33
      if ("value" in descriptor) descriptor.writable = true;
34
      Object.defineProperty(target, descriptor.key, descriptor);
35
    }
36
  }
37

38
  function _createClass(Constructor, protoProps, staticProps) {
39
    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
40
    if (staticProps) _defineProperties(Constructor, staticProps);
41
    return Constructor;
42
  }
43

44
  function _defineProperty(obj, key, value) {
45
    if (key in obj) {
46
      Object.defineProperty(obj, key, {
47
        value: value,
48
        enumerable: true,
49
        configurable: true,
50
        writable: true
51
      });
52
    } else {
53
      obj[key] = value;
54
    }
55

56
    return obj;
57
  }
58

59
  function _objectSpread(target) {
60
    for (var i = 1; i < arguments.length; i++) {
61
      var source = arguments[i] != null ? arguments[i] : {};
62
      var ownKeys = Object.keys(source);
63

64
      if (typeof Object.getOwnPropertySymbols === 'function') {
65
        ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
66
          return Object.getOwnPropertyDescriptor(source, sym).enumerable;
67
        }));
68
      }
69

70
      ownKeys.forEach(function (key) {
71
        _defineProperty(target, key, source[key]);
72
      });
73
    }
74

75
    return target;
76
  }
77

78
  function _slicedToArray(arr, i) {
79
    return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
80
  }
81

82
  function _toConsumableArray(arr) {
83
    return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
84
  }
85

86
  function _arrayWithoutHoles(arr) {
87
    if (Array.isArray(arr)) {
88
      for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
89

90
      return arr2;
91
    }
92
  }
93

94
  function _arrayWithHoles(arr) {
95
    if (Array.isArray(arr)) return arr;
96
  }
97

98
  function _iterableToArray(iter) {
99
    if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
100
  }
101

102
  function _iterableToArrayLimit(arr, i) {
103
    var _arr = [];
104
    var _n = true;
105
    var _d = false;
106
    var _e = undefined;
107

108
    try {
109
      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
110
        _arr.push(_s.value);
111

112
        if (i && _arr.length === i) break;
113
      }
114
    } catch (err) {
115
      _d = true;
116
      _e = err;
117
    } finally {
118
      try {
119
        if (!_n && _i["return"] != null) _i["return"]();
120
      } finally {
121
        if (_d) throw _e;
122
      }
123
    }
124

125
    return _arr;
126
  }
127

128
  function _nonIterableSpread() {
129
    throw new TypeError("Invalid attempt to spread non-iterable instance");
130
  }
131

132
  function _nonIterableRest() {
133
    throw new TypeError("Invalid attempt to destructure non-iterable instance");
134
  }
135

136
  var noop = function noop() {};
137

138
  var _WINDOW = {};
139
  var _DOCUMENT = {};
140
  var _MUTATION_OBSERVER = null;
141
  var _PERFORMANCE = {
142
    mark: noop,
143
    measure: noop
144
  };
145

146
  try {
147
    if (typeof window !== 'undefined') _WINDOW = window;
148
    if (typeof document !== 'undefined') _DOCUMENT = document;
149
    if (typeof MutationObserver !== 'undefined') _MUTATION_OBSERVER = MutationObserver;
150
    if (typeof performance !== 'undefined') _PERFORMANCE = performance;
151
  } catch (e) {}
152

153
  var _ref = _WINDOW.navigator || {},
154
      _ref$userAgent = _ref.userAgent,
155
      userAgent = _ref$userAgent === void 0 ? '' : _ref$userAgent;
156

157
  var WINDOW = _WINDOW;
158
  var DOCUMENT = _DOCUMENT;
159
  var MUTATION_OBSERVER = _MUTATION_OBSERVER;
160
  var PERFORMANCE = _PERFORMANCE;
161
  var IS_BROWSER = !!WINDOW.document;
162
  var IS_DOM = !!DOCUMENT.documentElement && !!DOCUMENT.head && typeof DOCUMENT.addEventListener === 'function' && typeof DOCUMENT.createElement === 'function';
163
  var IS_IE = ~userAgent.indexOf('MSIE') || ~userAgent.indexOf('Trident/');
164

165
  var NAMESPACE_IDENTIFIER = '___FONT_AWESOME___';
166
  var UNITS_IN_GRID = 16;
167
  var DEFAULT_FAMILY_PREFIX = 'fa';
168
  var DEFAULT_REPLACEMENT_CLASS = 'svg-inline--fa';
169
  var DATA_FA_I2SVG = 'data-fa-i2svg';
170
  var DATA_FA_PSEUDO_ELEMENT = 'data-fa-pseudo-element';
171
  var DATA_FA_PSEUDO_ELEMENT_PENDING = 'data-fa-pseudo-element-pending';
172
  var DATA_PREFIX = 'data-prefix';
173
  var DATA_ICON = 'data-icon';
174
  var HTML_CLASS_I2SVG_BASE_CLASS = 'fontawesome-i2svg';
175
  var MUTATION_APPROACH_ASYNC = 'async';
176
  var TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS = ['HTML', 'HEAD', 'STYLE', 'SCRIPT'];
177
  var PRODUCTION = function () {
178
    try {
179
      return undefined === 'production';
180
    } catch (e) {
181
      return false;
182
    }
183
  }();
184
  var PREFIX_TO_STYLE = {
185
    'fas': 'solid',
186
    'far': 'regular',
187
    'fal': 'light',
188
    'fad': 'duotone',
189
    'fab': 'brands',
190
    'fak': 'kit',
191
    'fa': 'solid'
192
  };
193
  var STYLE_TO_PREFIX = {
194
    'solid': 'fas',
195
    'regular': 'far',
196
    'light': 'fal',
197
    'duotone': 'fad',
198
    'brands': 'fab',
199
    'kit': 'fak'
200
  };
201
  var LAYERS_TEXT_CLASSNAME = 'fa-layers-text';
202
  var FONT_FAMILY_PATTERN = /Font Awesome ([5 ]*)(Solid|Regular|Light|Duotone|Brands|Free|Pro|Kit).*/i; // TODO: do we need to handle font-weight for kit SVG pseudo-elements?
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204
  var FONT_WEIGHT_TO_PREFIX = {
205
    '900': 'fas',
206
    '400': 'far',
207
    'normal': 'far',
208
    '300': 'fal'
209
  };
210
  var oneToTen = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
211
  var oneToTwenty = oneToTen.concat([11, 12, 13, 14, 15, 16, 17, 18, 19, 20]);
212
  var ATTRIBUTES_WATCHED_FOR_MUTATION = ['class', 'data-prefix', 'data-icon', 'data-fa-transform', 'data-fa-mask'];
213
  var DUOTONE_CLASSES = {
214
    GROUP: 'group',
215
    SWAP_OPACITY: 'swap-opacity',
216
    PRIMARY: 'primary',
217
    SECONDARY: 'secondary'
218
  };
219
  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', 'flip-both', 'stack', 'stack-1x', 'stack-2x', 'inverse', 'layers', 'layers-text', 'layers-counter', DUOTONE_CLASSES.GROUP, DUOTONE_CLASSES.SWAP_OPACITY, DUOTONE_CLASSES.PRIMARY, DUOTONE_CLASSES.SECONDARY].concat(oneToTen.map(function (n) {
220
    return "".concat(n, "x");
221
  })).concat(oneToTwenty.map(function (n) {
222
    return "w-".concat(n);
223
  }));
224

225
  var initial = WINDOW.FontAwesomeConfig || {};
226

227
  function getAttrConfig(attr) {
228
    var element = DOCUMENT.querySelector('script[' + attr + ']');
229

230
    if (element) {
231
      return element.getAttribute(attr);
232
    }
233
  }
234

235
  function coerce(val) {
236
    // Getting an empty string will occur if the attribute is set on the HTML tag but without a value
237
    // We'll assume that this is an indication that it should be toggled to true
238
    // For example <script data-search-pseudo-elements src="..."></script>
239
    if (val === '') return true;
240
    if (val === 'false') return false;
241
    if (val === 'true') return true;
242
    return val;
243
  }
244

245
  if (DOCUMENT && typeof DOCUMENT.querySelector === 'function') {
246
    var attrs = [['data-family-prefix', 'familyPrefix'], ['data-replacement-class', 'replacementClass'], ['data-auto-replace-svg', 'autoReplaceSvg'], ['data-auto-add-css', 'autoAddCss'], ['data-auto-a11y', 'autoA11y'], ['data-search-pseudo-elements', 'searchPseudoElements'], ['data-observe-mutations', 'observeMutations'], ['data-mutate-approach', 'mutateApproach'], ['data-keep-original-source', 'keepOriginalSource'], ['data-measure-performance', 'measurePerformance'], ['data-show-missing-icons', 'showMissingIcons']];
247
    attrs.forEach(function (_ref) {
248
      var _ref2 = _slicedToArray(_ref, 2),
249
          attr = _ref2[0],
250
          key = _ref2[1];
251

252
      var val = coerce(getAttrConfig(attr));
253

254
      if (val !== undefined && val !== null) {
255
        initial[key] = val;
256
      }
257
    });
258
  }
259

260
  var _default = {
261
    familyPrefix: DEFAULT_FAMILY_PREFIX,
262
    replacementClass: DEFAULT_REPLACEMENT_CLASS,
263
    autoReplaceSvg: true,
264
    autoAddCss: true,
265
    autoA11y: true,
266
    searchPseudoElements: false,
267
    observeMutations: true,
268
    mutateApproach: 'async',
269
    keepOriginalSource: true,
270
    measurePerformance: false,
271
    showMissingIcons: true
272
  };
273

274
  var _config = _objectSpread({}, _default, initial);
275

276
  if (!_config.autoReplaceSvg) _config.observeMutations = false;
277

278
  var config = _objectSpread({}, _config);
279

280
  WINDOW.FontAwesomeConfig = config;
281

282
  var w = WINDOW || {};
283
  if (!w[NAMESPACE_IDENTIFIER]) w[NAMESPACE_IDENTIFIER] = {};
284
  if (!w[NAMESPACE_IDENTIFIER].styles) w[NAMESPACE_IDENTIFIER].styles = {};
285
  if (!w[NAMESPACE_IDENTIFIER].hooks) w[NAMESPACE_IDENTIFIER].hooks = {};
286
  if (!w[NAMESPACE_IDENTIFIER].shims) w[NAMESPACE_IDENTIFIER].shims = [];
287
  var namespace = w[NAMESPACE_IDENTIFIER];
288

289
  var functions = [];
290

291
  var listener = function listener() {
292
    DOCUMENT.removeEventListener('DOMContentLoaded', listener);
293
    loaded = 1;
294
    functions.map(function (fn) {
295
      return fn();
296
    });
297
  };
298

299
  var loaded = false;
300

301
  if (IS_DOM) {
302
    loaded = (DOCUMENT.documentElement.doScroll ? /^loaded|^c/ : /^loaded|^i|^c/).test(DOCUMENT.readyState);
303
    if (!loaded) DOCUMENT.addEventListener('DOMContentLoaded', listener);
304
  }
305

306
  function domready (fn) {
307
    if (!IS_DOM) return;
308
    loaded ? setTimeout(fn, 0) : functions.push(fn);
309
  }
310

311
  var PENDING = 'pending';
312
  var SETTLED = 'settled';
313
  var FULFILLED = 'fulfilled';
314
  var REJECTED = 'rejected';
315

316
  var NOOP = function NOOP() {};
317

318
  var isNode = typeof global !== 'undefined' && typeof global.process !== 'undefined' && typeof global.process.emit === 'function';
319
  var asyncSetTimer = typeof setImmediate === 'undefined' ? setTimeout : setImmediate;
320
  var asyncQueue = [];
321
  var asyncTimer;
322

323
  function asyncFlush() {
324
    // run promise callbacks
325
    for (var i = 0; i < asyncQueue.length; i++) {
326
      asyncQueue[i][0](asyncQueue[i][1]);
327
    } // reset async asyncQueue
328

329

330
    asyncQueue = [];
331
    asyncTimer = false;
332
  }
333

334
  function asyncCall(callback, arg) {
335
    asyncQueue.push([callback, arg]);
336

337
    if (!asyncTimer) {
338
      asyncTimer = true;
339
      asyncSetTimer(asyncFlush, 0);
340
    }
341
  }
342

343
  function invokeResolver(resolver, promise) {
344
    function resolvePromise(value) {
345
      resolve(promise, value);
346
    }
347

348
    function rejectPromise(reason) {
349
      reject(promise, reason);
350
    }
351

352
    try {
353
      resolver(resolvePromise, rejectPromise);
354
    } catch (e) {
355
      rejectPromise(e);
356
    }
357
  }
358

359
  function invokeCallback(subscriber) {
360
    var owner = subscriber.owner;
361
    var settled = owner._state;
362
    var value = owner._data;
363
    var callback = subscriber[settled];
364
    var promise = subscriber.then;
365

366
    if (typeof callback === 'function') {
367
      settled = FULFILLED;
368

369
      try {
370
        value = callback(value);
371
      } catch (e) {
372
        reject(promise, e);
373
      }
374
    }
375

376
    if (!handleThenable(promise, value)) {
377
      if (settled === FULFILLED) {
378
        resolve(promise, value);
379
      }
380

381
      if (settled === REJECTED) {
382
        reject(promise, value);
383
      }
384
    }
385
  }
386

387
  function handleThenable(promise, value) {
388
    var resolved;
389

390
    try {
391
      if (promise === value) {
392
        throw new TypeError('A promises callback cannot return that same promise.');
393
      }
394

395
      if (value && (typeof value === 'function' || _typeof(value) === 'object')) {
396
        // then should be retrieved only once
397
        var then = value.then;
398

399
        if (typeof then === 'function') {
400
          then.call(value, function (val) {
401
            if (!resolved) {
402
              resolved = true;
403

404
              if (value === val) {
405
                fulfill(promise, val);
406
              } else {
407
                resolve(promise, val);
408
              }
409
            }
410
          }, function (reason) {
411
            if (!resolved) {
412
              resolved = true;
413
              reject(promise, reason);
414
            }
415
          });
416
          return true;
417
        }
418
      }
419
    } catch (e) {
420
      if (!resolved) {
421
        reject(promise, e);
422
      }
423

424
      return true;
425
    }
426

427
    return false;
428
  }
429

430
  function resolve(promise, value) {
431
    if (promise === value || !handleThenable(promise, value)) {
432
      fulfill(promise, value);
433
    }
434
  }
435

436
  function fulfill(promise, value) {
437
    if (promise._state === PENDING) {
438
      promise._state = SETTLED;
439
      promise._data = value;
440
      asyncCall(publishFulfillment, promise);
441
    }
442
  }
443

444
  function reject(promise, reason) {
445
    if (promise._state === PENDING) {
446
      promise._state = SETTLED;
447
      promise._data = reason;
448
      asyncCall(publishRejection, promise);
449
    }
450
  }
451

452
  function publish(promise) {
453
    promise._then = promise._then.forEach(invokeCallback);
454
  }
455

456
  function publishFulfillment(promise) {
457
    promise._state = FULFILLED;
458
    publish(promise);
459
  }
460

461
  function publishRejection(promise) {
462
    promise._state = REJECTED;
463
    publish(promise);
464

465
    if (!promise._handled && isNode) {
466
      global.process.emit('unhandledRejection', promise._data, promise);
467
    }
468
  }
469

470
  function notifyRejectionHandled(promise) {
471
    global.process.emit('rejectionHandled', promise);
472
  }
473
  /**
474
   * @class
475
   */
476

477

478
  function P(resolver) {
479
    if (typeof resolver !== 'function') {
480
      throw new TypeError('Promise resolver ' + resolver + ' is not a function');
481
    }
482

483
    if (this instanceof P === false) {
484
      throw new TypeError('Failed to construct \'Promise\': Please use the \'new\' operator, this object constructor cannot be called as a function.');
485
    }
486

487
    this._then = [];
488
    invokeResolver(resolver, this);
489
  }
490

491
  P.prototype = {
492
    constructor: P,
493
    _state: PENDING,
494
    _then: null,
495
    _data: undefined,
496
    _handled: false,
497
    then: function then(onFulfillment, onRejection) {
498
      var subscriber = {
499
        owner: this,
500
        then: new this.constructor(NOOP),
501
        fulfilled: onFulfillment,
502
        rejected: onRejection
503
      };
504

505
      if ((onRejection || onFulfillment) && !this._handled) {
506
        this._handled = true;
507

508
        if (this._state === REJECTED && isNode) {
509
          asyncCall(notifyRejectionHandled, this);
510
        }
511
      }
512

513
      if (this._state === FULFILLED || this._state === REJECTED) {
514
        // already resolved, call callback async
515
        asyncCall(invokeCallback, subscriber);
516
      } else {
517
        // subscribe
518
        this._then.push(subscriber);
519
      }
520

521
      return subscriber.then;
522
    },
523
    catch: function _catch(onRejection) {
524
      return this.then(null, onRejection);
525
    }
526
  };
527

528
  P.all = function (promises) {
529
    if (!Array.isArray(promises)) {
530
      throw new TypeError('You must pass an array to Promise.all().');
531
    }
532

533
    return new P(function (resolve, reject) {
534
      var results = [];
535
      var remaining = 0;
536

537
      function resolver(index) {
538
        remaining++;
539
        return function (value) {
540
          results[index] = value;
541

542
          if (! --remaining) {
543
            resolve(results);
544
          }
545
        };
546
      }
547

548
      for (var i = 0, promise; i < promises.length; i++) {
549
        promise = promises[i];
550

551
        if (promise && typeof promise.then === 'function') {
552
          promise.then(resolver(i), reject);
553
        } else {
554
          results[i] = promise;
555
        }
556
      }
557

558
      if (!remaining) {
559
        resolve(results);
560
      }
561
    });
562
  };
563

564
  P.race = function (promises) {
565
    if (!Array.isArray(promises)) {
566
      throw new TypeError('You must pass an array to Promise.race().');
567
    }
568

569
    return new P(function (resolve, reject) {
570
      for (var i = 0, promise; i < promises.length; i++) {
571
        promise = promises[i];
572

573
        if (promise && typeof promise.then === 'function') {
574
          promise.then(resolve, reject);
575
        } else {
576
          resolve(promise);
577
        }
578
      }
579
    });
580
  };
581

582
  P.resolve = function (value) {
583
    if (value && _typeof(value) === 'object' && value.constructor === P) {
584
      return value;
585
    }
586

587
    return new P(function (resolve) {
588
      resolve(value);
589
    });
590
  };
591

592
  P.reject = function (reason) {
593
    return new P(function (resolve, reject) {
594
      reject(reason);
595
    });
596
  };
597

598
  var picked = typeof Promise === 'function' ? Promise : P;
599

600
  var d = UNITS_IN_GRID;
601
  var meaninglessTransform = {
602
    size: 16,
603
    x: 0,
604
    y: 0,
605
    rotate: 0,
606
    flipX: false,
607
    flipY: false
608
  };
609

610
  function isReserved(name) {
611
    return ~RESERVED_CLASSES.indexOf(name);
612
  }
613

614
  function bunker(fn) {
615
    try {
616
      fn();
617
    } catch (e) {
618
      if (!PRODUCTION) {
619
        throw e;
620
      }
621
    }
622
  }
623
  function insertCss(css) {
624
    if (!css || !IS_DOM) {
625
      return;
626
    }
627

628
    var style = DOCUMENT.createElement('style');
629
    style.setAttribute('type', 'text/css');
630
    style.innerHTML = css;
631
    var headChildren = DOCUMENT.head.childNodes;
632
    var beforeChild = null;
633

634
    for (var i = headChildren.length - 1; i > -1; i--) {
635
      var child = headChildren[i];
636
      var tagName = (child.tagName || '').toUpperCase();
637

638
      if (['STYLE', 'LINK'].indexOf(tagName) > -1) {
639
        beforeChild = child;
640
      }
641
    }
642

643
    DOCUMENT.head.insertBefore(style, beforeChild);
644
    return css;
645
  }
646
  var idPool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
647
  function nextUniqueId() {
648
    var size = 12;
649
    var id = '';
650

651
    while (size-- > 0) {
652
      id += idPool[Math.random() * 62 | 0];
653
    }
654

655
    return id;
656
  }
657
  function toArray(obj) {
658
    var array = [];
659

660
    for (var i = (obj || []).length >>> 0; i--;) {
661
      array[i] = obj[i];
662
    }
663

664
    return array;
665
  }
666
  function classArray(node) {
667
    if (node.classList) {
668
      return toArray(node.classList);
669
    } else {
670
      return (node.getAttribute('class') || '').split(' ').filter(function (i) {
671
        return i;
672
      });
673
    }
674
  }
675
  function getIconName(familyPrefix, cls) {
676
    var parts = cls.split('-');
677
    var prefix = parts[0];
678
    var iconName = parts.slice(1).join('-');
679

680
    if (prefix === familyPrefix && iconName !== '' && !isReserved(iconName)) {
681
      return iconName;
682
    } else {
683
      return null;
684
    }
685
  }
686
  function htmlEscape(str) {
687
    return "".concat(str).replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#39;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
688
  }
689
  function joinAttributes(attributes) {
690
    return Object.keys(attributes || {}).reduce(function (acc, attributeName) {
691
      return acc + "".concat(attributeName, "=\"").concat(htmlEscape(attributes[attributeName]), "\" ");
692
    }, '').trim();
693
  }
694
  function joinStyles(styles) {
695
    return Object.keys(styles || {}).reduce(function (acc, styleName) {
696
      return acc + "".concat(styleName, ": ").concat(styles[styleName], ";");
697
    }, '');
698
  }
699
  function transformIsMeaningful(transform) {
700
    return transform.size !== meaninglessTransform.size || transform.x !== meaninglessTransform.x || transform.y !== meaninglessTransform.y || transform.rotate !== meaninglessTransform.rotate || transform.flipX || transform.flipY;
701
  }
702
  function transformForSvg(_ref) {
703
    var transform = _ref.transform,
704
        containerWidth = _ref.containerWidth,
705
        iconWidth = _ref.iconWidth;
706
    var outer = {
707
      transform: "translate(".concat(containerWidth / 2, " 256)")
708
    };
709
    var innerTranslate = "translate(".concat(transform.x * 32, ", ").concat(transform.y * 32, ") ");
710
    var innerScale = "scale(".concat(transform.size / 16 * (transform.flipX ? -1 : 1), ", ").concat(transform.size / 16 * (transform.flipY ? -1 : 1), ") ");
711
    var innerRotate = "rotate(".concat(transform.rotate, " 0 0)");
712
    var inner = {
713
      transform: "".concat(innerTranslate, " ").concat(innerScale, " ").concat(innerRotate)
714
    };
715
    var path = {
716
      transform: "translate(".concat(iconWidth / 2 * -1, " -256)")
717
    };
718
    return {
719
      outer: outer,
720
      inner: inner,
721
      path: path
722
    };
723
  }
724
  function transformForCss(_ref2) {
725
    var transform = _ref2.transform,
726
        _ref2$width = _ref2.width,
727
        width = _ref2$width === void 0 ? UNITS_IN_GRID : _ref2$width,
728
        _ref2$height = _ref2.height,
729
        height = _ref2$height === void 0 ? UNITS_IN_GRID : _ref2$height,
730
        _ref2$startCentered = _ref2.startCentered,
731
        startCentered = _ref2$startCentered === void 0 ? false : _ref2$startCentered;
732
    var val = '';
733

734
    if (startCentered && IS_IE) {
735
      val += "translate(".concat(transform.x / d - width / 2, "em, ").concat(transform.y / d - height / 2, "em) ");
736
    } else if (startCentered) {
737
      val += "translate(calc(-50% + ".concat(transform.x / d, "em), calc(-50% + ").concat(transform.y / d, "em)) ");
738
    } else {
739
      val += "translate(".concat(transform.x / d, "em, ").concat(transform.y / d, "em) ");
740
    }
741

742
    val += "scale(".concat(transform.size / d * (transform.flipX ? -1 : 1), ", ").concat(transform.size / d * (transform.flipY ? -1 : 1), ") ");
743
    val += "rotate(".concat(transform.rotate, "deg) ");
744
    return val;
745
  }
746

747
  var ALL_SPACE = {
748
    x: 0,
749
    y: 0,
750
    width: '100%',
751
    height: '100%'
752
  };
753

754
  function fillBlack(abstract) {
755
    var force = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
756

757
    if (abstract.attributes && (abstract.attributes.fill || force)) {
758
      abstract.attributes.fill = 'black';
759
    }
760

761
    return abstract;
762
  }
763

764
  function deGroup(abstract) {
765
    if (abstract.tag === 'g') {
766
      return abstract.children;
767
    } else {
768
      return [abstract];
769
    }
770
  }
771

772
  function makeIconMasking (_ref) {
773
    var children = _ref.children,
774
        attributes = _ref.attributes,
775
        main = _ref.main,
776
        mask = _ref.mask,
777
        explicitMaskId = _ref.maskId,
778
        transform = _ref.transform;
779
    var mainWidth = main.width,
780
        mainPath = main.icon;
781
    var maskWidth = mask.width,
782
        maskPath = mask.icon;
783
    var trans = transformForSvg({
784
      transform: transform,
785
      containerWidth: maskWidth,
786
      iconWidth: mainWidth
787
    });
788
    var maskRect = {
789
      tag: 'rect',
790
      attributes: _objectSpread({}, ALL_SPACE, {
791
        fill: 'white'
792
      })
793
    };
794
    var maskInnerGroupChildrenMixin = mainPath.children ? {
795
      children: mainPath.children.map(fillBlack)
796
    } : {};
797
    var maskInnerGroup = {
798
      tag: 'g',
799
      attributes: _objectSpread({}, trans.inner),
800
      children: [fillBlack(_objectSpread({
801
        tag: mainPath.tag,
802
        attributes: _objectSpread({}, mainPath.attributes, trans.path)
803
      }, maskInnerGroupChildrenMixin))]
804
    };
805
    var maskOuterGroup = {
806
      tag: 'g',
807
      attributes: _objectSpread({}, trans.outer),
808
      children: [maskInnerGroup]
809
    };
810
    var maskId = "mask-".concat(explicitMaskId || nextUniqueId());
811
    var clipId = "clip-".concat(explicitMaskId || nextUniqueId());
812
    var maskTag = {
813
      tag: 'mask',
814
      attributes: _objectSpread({}, ALL_SPACE, {
815
        id: maskId,
816
        maskUnits: 'userSpaceOnUse',
817
        maskContentUnits: 'userSpaceOnUse'
818
      }),
819
      children: [maskRect, maskOuterGroup]
820
    };
821
    var defs = {
822
      tag: 'defs',
823
      children: [{
824
        tag: 'clipPath',
825
        attributes: {
826
          id: clipId
827
        },
828
        children: deGroup(maskPath)
829
      }, maskTag]
830
    };
831
    children.push(defs, {
832
      tag: 'rect',
833
      attributes: _objectSpread({
834
        fill: 'currentColor',
835
        'clip-path': "url(#".concat(clipId, ")"),
836
        mask: "url(#".concat(maskId, ")")
837
      }, ALL_SPACE)
838
    });
839
    return {
840
      children: children,
841
      attributes: attributes
842
    };
843
  }
844

845
  function makeIconStandard (_ref) {
846
    var children = _ref.children,
847
        attributes = _ref.attributes,
848
        main = _ref.main,
849
        transform = _ref.transform,
850
        styles = _ref.styles;
851
    var styleString = joinStyles(styles);
852

853
    if (styleString.length > 0) {
854
      attributes['style'] = styleString;
855
    }
856

857
    if (transformIsMeaningful(transform)) {
858
      var trans = transformForSvg({
859
        transform: transform,
860
        containerWidth: main.width,
861
        iconWidth: main.width
862
      });
863
      children.push({
864
        tag: 'g',
865
        attributes: _objectSpread({}, trans.outer),
866
        children: [{
867
          tag: 'g',
868
          attributes: _objectSpread({}, trans.inner),
869
          children: [{
870
            tag: main.icon.tag,
871
            children: main.icon.children,
872
            attributes: _objectSpread({}, main.icon.attributes, trans.path)
873
          }]
874
        }]
875
      });
876
    } else {
877
      children.push(main.icon);
878
    }
879

880
    return {
881
      children: children,
882
      attributes: attributes
883
    };
884
  }
885

886
  function asIcon (_ref) {
887
    var children = _ref.children,
888
        main = _ref.main,
889
        mask = _ref.mask,
890
        attributes = _ref.attributes,
891
        styles = _ref.styles,
892
        transform = _ref.transform;
893

894
    if (transformIsMeaningful(transform) && main.found && !mask.found) {
895
      var width = main.width,
896
          height = main.height;
897
      var offset = {
898
        x: width / height / 2,
899
        y: 0.5
900
      };
901
      attributes['style'] = joinStyles(_objectSpread({}, styles, {
902
        'transform-origin': "".concat(offset.x + transform.x / 16, "em ").concat(offset.y + transform.y / 16, "em")
903
      }));
904
    }
905

906
    return [{
907
      tag: 'svg',
908
      attributes: attributes,
909
      children: children
910
    }];
911
  }
912

913
  function asSymbol (_ref) {
914
    var prefix = _ref.prefix,
915
        iconName = _ref.iconName,
916
        children = _ref.children,
917
        attributes = _ref.attributes,
918
        symbol = _ref.symbol;
919
    var id = symbol === true ? "".concat(prefix, "-").concat(config.familyPrefix, "-").concat(iconName) : symbol;
920
    return [{
921
      tag: 'svg',
922
      attributes: {
923
        style: 'display: none;'
924
      },
925
      children: [{
926
        tag: 'symbol',
927
        attributes: _objectSpread({}, attributes, {
928
          id: id
929
        }),
930
        children: children
931
      }]
932
    }];
933
  }
934

935
  function makeInlineSvgAbstract(params) {
936
    var _params$icons = params.icons,
937
        main = _params$icons.main,
938
        mask = _params$icons.mask,
939
        prefix = params.prefix,
940
        iconName = params.iconName,
941
        transform = params.transform,
942
        symbol = params.symbol,
943
        title = params.title,
944
        maskId = params.maskId,
945
        titleId = params.titleId,
946
        extra = params.extra,
947
        _params$watchable = params.watchable,
948
        watchable = _params$watchable === void 0 ? false : _params$watchable;
949

950
    var _ref = mask.found ? mask : main,
951
        width = _ref.width,
952
        height = _ref.height;
953

954
    var isUploadedIcon = prefix === 'fak';
955
    var widthClass = isUploadedIcon ? '' : "fa-w-".concat(Math.ceil(width / height * 16));
956
    var attrClass = [config.replacementClass, iconName ? "".concat(config.familyPrefix, "-").concat(iconName) : '', widthClass].filter(function (c) {
957
      return extra.classes.indexOf(c) === -1;
958
    }).filter(function (c) {
959
      return c !== '' || !!c;
960
    }).concat(extra.classes).join(' ');
961
    var content = {
962
      children: [],
963
      attributes: _objectSpread({}, extra.attributes, {
964
        'data-prefix': prefix,
965
        'data-icon': iconName,
966
        'class': attrClass,
967
        'role': extra.attributes.role || 'img',
968
        'xmlns': 'http://www.w3.org/2000/svg',
969
        'viewBox': "0 0 ".concat(width, " ").concat(height)
970
      })
971
    };
972
    var uploadedIconWidthStyle = isUploadedIcon && !~extra.classes.indexOf('fa-fw') ? {
973
      width: "".concat(width / height * 16 * 0.0625, "em")
974
    } : {};
975

976
    if (watchable) {
977
      content.attributes[DATA_FA_I2SVG] = '';
978
    }
979

980
    if (title) content.children.push({
981
      tag: 'title',
982
      attributes: {
983
        id: content.attributes['aria-labelledby'] || "title-".concat(titleId || nextUniqueId())
984
      },
985
      children: [title]
986
    });
987

988
    var args = _objectSpread({}, content, {
989
      prefix: prefix,
990
      iconName: iconName,
991
      main: main,
992
      mask: mask,
993
      maskId: maskId,
994
      transform: transform,
995
      symbol: symbol,
996
      styles: _objectSpread({}, uploadedIconWidthStyle, extra.styles)
997
    });
998

999
    var _ref2 = mask.found && main.found ? makeIconMasking(args) : makeIconStandard(args),
1000
        children = _ref2.children,
1001
        attributes = _ref2.attributes;
1002

1003
    args.children = children;
1004
    args.attributes = attributes;
1005

1006
    if (symbol) {
1007
      return asSymbol(args);
1008
    } else {
1009
      return asIcon(args);
1010
    }
1011
  }
1012
  function makeLayersTextAbstract(params) {
1013
    var content = params.content,
1014
        width = params.width,
1015
        height = params.height,
1016
        transform = params.transform,
1017
        title = params.title,
1018
        extra = params.extra,
1019
        _params$watchable2 = params.watchable,
1020
        watchable = _params$watchable2 === void 0 ? false : _params$watchable2;
1021

1022
    var attributes = _objectSpread({}, extra.attributes, title ? {
1023
      'title': title
1024
    } : {}, {
1025
      'class': extra.classes.join(' ')
1026
    });
1027

1028
    if (watchable) {
1029
      attributes[DATA_FA_I2SVG] = '';
1030
    }
1031

1032
    var styles = _objectSpread({}, extra.styles);
1033

1034
    if (transformIsMeaningful(transform)) {
1035
      styles['transform'] = transformForCss({
1036
        transform: transform,
1037
        startCentered: true,
1038
        width: width,
1039
        height: height
1040
      });
1041
      styles['-webkit-transform'] = styles['transform'];
1042
    }
1043

1044
    var styleString = joinStyles(styles);
1045

1046
    if (styleString.length > 0) {
1047
      attributes['style'] = styleString;
1048
    }
1049

1050
    var val = [];
1051
    val.push({
1052
      tag: 'span',
1053
      attributes: attributes,
1054
      children: [content]
1055
    });
1056

1057
    if (title) {
1058
      val.push({
1059
        tag: 'span',
1060
        attributes: {
1061
          class: 'sr-only'
1062
        },
1063
        children: [title]
1064
      });
1065
    }
1066

1067
    return val;
1068
  }
1069
  function makeLayersCounterAbstract(params) {
1070
    var content = params.content,
1071
        title = params.title,
1072
        extra = params.extra;
1073

1074
    var attributes = _objectSpread({}, extra.attributes, title ? {
1075
      'title': title
1076
    } : {}, {
1077
      'class': extra.classes.join(' ')
1078
    });
1079

1080
    var styleString = joinStyles(extra.styles);
1081

1082
    if (styleString.length > 0) {
1083
      attributes['style'] = styleString;
1084
    }
1085

1086
    var val = [];
1087
    val.push({
1088
      tag: 'span',
1089
      attributes: attributes,
1090
      children: [content]
1091
    });
1092

1093
    if (title) {
1094
      val.push({
1095
        tag: 'span',
1096
        attributes: {
1097
          class: 'sr-only'
1098
        },
1099
        children: [title]
1100
      });
1101
    }
1102

1103
    return val;
1104
  }
1105

1106
  var noop$1 = function noop() {};
1107

1108
  var p = config.measurePerformance && PERFORMANCE && PERFORMANCE.mark && PERFORMANCE.measure ? PERFORMANCE : {
1109
    mark: noop$1,
1110
    measure: noop$1
1111
  };
1112
  var preamble = "FA \"5.15.4\"";
1113

1114
  var begin = function begin(name) {
1115
    p.mark("".concat(preamble, " ").concat(name, " begins"));
1116
    return function () {
1117
      return end(name);
1118
    };
1119
  };
1120

1121
  var end = function end(name) {
1122
    p.mark("".concat(preamble, " ").concat(name, " ends"));
1123
    p.measure("".concat(preamble, " ").concat(name), "".concat(preamble, " ").concat(name, " begins"), "".concat(preamble, " ").concat(name, " ends"));
1124
  };
1125

1126
  var perf = {
1127
    begin: begin,
1128
    end: end
1129
  };
1130

1131
  /**
1132
   * Internal helper to bind a function known to have 4 arguments
1133
   * to a given context.
1134
   */
1135

1136
  var bindInternal4 = function bindInternal4(func, thisContext) {
1137
    return function (a, b, c, d) {
1138
      return func.call(thisContext, a, b, c, d);
1139
    };
1140
  };
1141

1142
  /**
1143
   * # Reduce
1144
   *
1145
   * A fast object `.reduce()` implementation.
1146
   *
1147
   * @param  {Object}   subject      The object to reduce over.
1148
   * @param  {Function} fn           The reducer function.
1149
   * @param  {mixed}    initialValue The initial value for the reducer, defaults to subject[0].
1150
   * @param  {Object}   thisContext  The context for the reducer.
1151
   * @return {mixed}                 The final result.
1152
   */
1153

1154

1155
  var reduce = function fastReduceObject(subject, fn, initialValue, thisContext) {
1156
    var keys = Object.keys(subject),
1157
        length = keys.length,
1158
        iterator = thisContext !== undefined ? bindInternal4(fn, thisContext) : fn,
1159
        i,
1160
        key,
1161
        result;
1162

1163
    if (initialValue === undefined) {
1164
      i = 1;
1165
      result = subject[keys[0]];
1166
    } else {
1167
      i = 0;
1168
      result = initialValue;
1169
    }
1170

1171
    for (; i < length; i++) {
1172
      key = keys[i];
1173
      result = iterator(result, subject[key], key, subject);
1174
    }
1175

1176
    return result;
1177
  };
1178

1179
  function toHex(unicode) {
1180
    var result = '';
1181

1182
    for (var i = 0; i < unicode.length; i++) {
1183
      var hex = unicode.charCodeAt(i).toString(16);
1184
      result += ('000' + hex).slice(-4);
1185
    }
1186

1187
    return result;
1188
  }
1189

1190
  function defineIcons(prefix, icons) {
1191
    var params = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
1192
    var _params$skipHooks = params.skipHooks,
1193
        skipHooks = _params$skipHooks === void 0 ? false : _params$skipHooks;
1194
    var normalized = Object.keys(icons).reduce(function (acc, iconName) {
1195
      var icon = icons[iconName];
1196
      var expanded = !!icon.icon;
1197

1198
      if (expanded) {
1199
        acc[icon.iconName] = icon.icon;
1200
      } else {
1201
        acc[iconName] = icon;
1202
      }
1203

1204
      return acc;
1205
    }, {});
1206

1207
    if (typeof namespace.hooks.addPack === 'function' && !skipHooks) {
1208
      namespace.hooks.addPack(prefix, normalized);
1209
    } else {
1210
      namespace.styles[prefix] = _objectSpread({}, namespace.styles[prefix] || {}, normalized);
1211
    }
1212
    /**
1213
     * Font Awesome 4 used the prefix of `fa` for all icons. With the introduction
1214
     * of new styles we needed to differentiate between them. Prefix `fa` is now an alias
1215
     * for `fas` so we'll easy the upgrade process for our users by automatically defining
1216
     * this as well.
1217
     */
1218

1219

1220
    if (prefix === 'fas') {
1221
      defineIcons('fa', icons);
1222
    }
1223
  }
1224

1225
  var styles = namespace.styles,
1226
      shims = namespace.shims;
1227
  var _byUnicode = {};
1228
  var _byLigature = {};
1229
  var _byOldName = {};
1230
  var build = function build() {
1231
    var lookup = function lookup(reducer) {
1232
      return reduce(styles, function (o, style, prefix) {
1233
        o[prefix] = reduce(style, reducer, {});
1234
        return o;
1235
      }, {});
1236
    };
1237

1238
    _byUnicode = lookup(function (acc, icon, iconName) {
1239
      if (icon[3]) {
1240
        acc[icon[3]] = iconName;
1241
      }
1242

1243
      return acc;
1244
    });
1245
    _byLigature = lookup(function (acc, icon, iconName) {
1246
      var ligatures = icon[2];
1247
      acc[iconName] = iconName;
1248
      ligatures.forEach(function (ligature) {
1249
        acc[ligature] = iconName;
1250
      });
1251
      return acc;
1252
    });
1253
    var hasRegular = 'far' in styles;
1254
    _byOldName = reduce(shims, function (acc, shim) {
1255
      var oldName = shim[0];
1256
      var prefix = shim[1];
1257
      var iconName = shim[2];
1258

1259
      if (prefix === 'far' && !hasRegular) {
1260
        prefix = 'fas';
1261
      }
1262

1263
      acc[oldName] = {
1264
        prefix: prefix,
1265
        iconName: iconName
1266
      };
1267
      return acc;
1268
    }, {});
1269
  };
1270
  build();
1271
  function byUnicode(prefix, unicode) {
1272
    return (_byUnicode[prefix] || {})[unicode];
1273
  }
1274
  function byLigature(prefix, ligature) {
1275
    return (_byLigature[prefix] || {})[ligature];
1276
  }
1277
  function byOldName(name) {
1278
    return _byOldName[name] || {
1279
      prefix: null,
1280
      iconName: null
1281
    };
1282
  }
1283

1284
  var styles$1 = namespace.styles;
1285
  var emptyCanonicalIcon = function emptyCanonicalIcon() {
1286
    return {
1287
      prefix: null,
1288
      iconName: null,
1289
      rest: []
1290
    };
1291
  };
1292
  function getCanonicalIcon(values) {
1293
    return values.reduce(function (acc, cls) {
1294
      var iconName = getIconName(config.familyPrefix, cls);
1295

1296
      if (styles$1[cls]) {
1297
        acc.prefix = cls;
1298
      } else if (config.autoFetchSvg && Object.keys(PREFIX_TO_STYLE).indexOf(cls) > -1) {
1299
        acc.prefix = cls;
1300
      } else if (iconName) {
1301
        var shim = acc.prefix === 'fa' ? byOldName(iconName) : {};
1302
        acc.iconName = shim.iconName || iconName;
1303
        acc.prefix = shim.prefix || acc.prefix;
1304
      } else if (cls !== config.replacementClass && cls.indexOf('fa-w-') !== 0) {
1305
        acc.rest.push(cls);
1306
      }
1307

1308
      return acc;
1309
    }, emptyCanonicalIcon());
1310
  }
1311
  function iconFromMapping(mapping, prefix, iconName) {
1312
    if (mapping && mapping[prefix] && mapping[prefix][iconName]) {
1313
      return {
1314
        prefix: prefix,
1315
        iconName: iconName,
1316
        icon: mapping[prefix][iconName]
1317
      };
1318
    }
1319
  }
1320

1321
  function toHtml(abstractNodes) {
1322
    var tag = abstractNodes.tag,
1323
        _abstractNodes$attrib = abstractNodes.attributes,
1324
        attributes = _abstractNodes$attrib === void 0 ? {} : _abstractNodes$attrib,
1325
        _abstractNodes$childr = abstractNodes.children,
1326
        children = _abstractNodes$childr === void 0 ? [] : _abstractNodes$childr;
1327

1328
    if (typeof abstractNodes === 'string') {
1329
      return htmlEscape(abstractNodes);
1330
    } else {
1331
      return "<".concat(tag, " ").concat(joinAttributes(attributes), ">").concat(children.map(toHtml).join(''), "</").concat(tag, ">");
1332
    }
1333
  }
1334

1335
  var noop$2 = function noop() {};
1336

1337
  function isWatched(node) {
1338
    var i2svg = node.getAttribute ? node.getAttribute(DATA_FA_I2SVG) : null;
1339
    return typeof i2svg === 'string';
1340
  }
1341

1342
  function getMutator() {
1343
    if (config.autoReplaceSvg === true) {
1344
      return mutators.replace;
1345
    }
1346

1347
    var mutator = mutators[config.autoReplaceSvg];
1348
    return mutator || mutators.replace;
1349
  }
1350

1351
  var mutators = {
1352
    replace: function replace(mutation) {
1353
      var node = mutation[0];
1354
      var abstract = mutation[1];
1355
      var newOuterHTML = abstract.map(function (a) {
1356
        return toHtml(a);
1357
      }).join('\n');
1358

1359
      if (node.parentNode && node.outerHTML) {
1360
        node.outerHTML = newOuterHTML + (config.keepOriginalSource && node.tagName.toLowerCase() !== 'svg' ? "<!-- ".concat(node.outerHTML, " Font Awesome fontawesome.com -->") : '');
1361
      } else if (node.parentNode) {
1362
        var newNode = document.createElement('span');
1363
        node.parentNode.replaceChild(newNode, node);
1364
        newNode.outerHTML = newOuterHTML;
1365
      }
1366
    },
1367
    nest: function nest(mutation) {
1368
      var node = mutation[0];
1369
      var abstract = mutation[1]; // If we already have a replaced node we do not want to continue nesting within it.
1370
      // Short-circuit to the standard replacement
1371

1372
      if (~classArray(node).indexOf(config.replacementClass)) {
1373
        return mutators.replace(mutation);
1374
      }
1375

1376
      var forSvg = new RegExp("".concat(config.familyPrefix, "-.*"));
1377
      delete abstract[0].attributes.style;
1378
      delete abstract[0].attributes.id;
1379
      var splitClasses = abstract[0].attributes.class.split(' ').reduce(function (acc, cls) {
1380
        if (cls === config.replacementClass || cls.match(forSvg)) {
1381
          acc.toSvg.push(cls);
1382
        } else {
1383
          acc.toNode.push(cls);
1384
        }
1385

1386
        return acc;
1387
      }, {
1388
        toNode: [],
1389
        toSvg: []
1390
      });
1391
      abstract[0].attributes.class = splitClasses.toSvg.join(' ');
1392
      var newInnerHTML = abstract.map(function (a) {
1393
        return toHtml(a);
1394
      }).join('\n');
1395
      node.setAttribute('class', splitClasses.toNode.join(' '));
1396
      node.setAttribute(DATA_FA_I2SVG, '');
1397
      node.innerHTML = newInnerHTML;
1398
    }
1399
  };
1400

1401
  function performOperationSync(op) {
1402
    op();
1403
  }
1404

1405
  function perform(mutations, callback) {
1406
    var callbackFunction = typeof callback === 'function' ? callback : noop$2;
1407

1408
    if (mutations.length === 0) {
1409
      callbackFunction();
1410
    } else {
1411
      var frame = performOperationSync;
1412

1413
      if (config.mutateApproach === MUTATION_APPROACH_ASYNC) {
1414
        frame = WINDOW.requestAnimationFrame || performOperationSync;
1415
      }
1416

1417
      frame(function () {
1418
        var mutator = getMutator();
1419
        var mark = perf.begin('mutate');
1420
        mutations.map(mutator);
1421
        mark();
1422
        callbackFunction();
1423
      });
1424
    }
1425
  }
1426
  var disabled = false;
1427
  function disableObservation() {
1428
    disabled = true;
1429
  }
1430
  function enableObservation() {
1431
    disabled = false;
1432
  }
1433
  var mo = null;
1434
  function observe(options) {
1435
    if (!MUTATION_OBSERVER) {
1436
      return;
1437
    }
1438

1439
    if (!config.observeMutations) {
1440
      return;
1441
    }
1442

1443
    var treeCallback = options.treeCallback,
1444
        nodeCallback = options.nodeCallback,
1445
        pseudoElementsCallback = options.pseudoElementsCallback,
1446
        _options$observeMutat = options.observeMutationsRoot,
1447
        observeMutationsRoot = _options$observeMutat === void 0 ? DOCUMENT : _options$observeMutat;
1448
    mo = new MUTATION_OBSERVER(function (objects) {
1449
      if (disabled) return;
1450
      toArray(objects).forEach(function (mutationRecord) {
1451
        if (mutationRecord.type === 'childList' && mutationRecord.addedNodes.length > 0 && !isWatched(mutationRecord.addedNodes[0])) {
1452
          if (config.searchPseudoElements) {
1453
            pseudoElementsCallback(mutationRecord.target);
1454
          }
1455

1456
          treeCallback(mutationRecord.target);
1457
        }
1458

1459
        if (mutationRecord.type === 'attributes' && mutationRecord.target.parentNode && config.searchPseudoElements) {
1460
          pseudoElementsCallback(mutationRecord.target.parentNode);
1461
        }
1462

1463
        if (mutationRecord.type === 'attributes' && isWatched(mutationRecord.target) && ~ATTRIBUTES_WATCHED_FOR_MUTATION.indexOf(mutationRecord.attributeName)) {
1464
          if (mutationRecord.attributeName === 'class') {
1465
            var _getCanonicalIcon = getCanonicalIcon(classArray(mutationRecord.target)),
1466
                prefix = _getCanonicalIcon.prefix,
1467
                iconName = _getCanonicalIcon.iconName;
1468

1469
            if (prefix) mutationRecord.target.setAttribute('data-prefix', prefix);
1470
            if (iconName) mutationRecord.target.setAttribute('data-icon', iconName);
1471
          } else {
1472
            nodeCallback(mutationRecord.target);
1473
          }
1474
        }
1475
      });
1476
    });
1477
    if (!IS_DOM) return;
1478
    mo.observe(observeMutationsRoot, {
1479
      childList: true,
1480
      attributes: true,
1481
      characterData: true,
1482
      subtree: true
1483
    });
1484
  }
1485
  function disconnect() {
1486
    if (!mo) return;
1487
    mo.disconnect();
1488
  }
1489

1490
  function styleParser (node) {
1491
    var style = node.getAttribute('style');
1492
    var val = [];
1493

1494
    if (style) {
1495
      val = style.split(';').reduce(function (acc, style) {
1496
        var styles = style.split(':');
1497
        var prop = styles[0];
1498
        var value = styles.slice(1);
1499

1500
        if (prop && value.length > 0) {
1501
          acc[prop] = value.join(':').trim();
1502
        }
1503

1504
        return acc;
1505
      }, {});
1506
    }
1507

1508
    return val;
1509
  }
1510

1511
  function classParser (node) {
1512
    var existingPrefix = node.getAttribute('data-prefix');
1513
    var existingIconName = node.getAttribute('data-icon');
1514
    var innerText = node.innerText !== undefined ? node.innerText.trim() : '';
1515
    var val = getCanonicalIcon(classArray(node));
1516

1517
    if (existingPrefix && existingIconName) {
1518
      val.prefix = existingPrefix;
1519
      val.iconName = existingIconName;
1520
    }
1521

1522
    if (val.prefix && innerText.length > 1) {
1523
      val.iconName = byLigature(val.prefix, node.innerText);
1524
    } else if (val.prefix && innerText.length === 1) {
1525
      val.iconName = byUnicode(val.prefix, toHex(node.innerText));
1526
    }
1527

1528
    return val;
1529
  }
1530

1531
  var parseTransformString = function parseTransformString(transformString) {
1532
    var transform = {
1533
      size: 16,
1534
      x: 0,
1535
      y: 0,
1536
      flipX: false,
1537
      flipY: false,
1538
      rotate: 0
1539
    };
1540

1541
    if (!transformString) {
1542
      return transform;
1543
    } else {
1544
      return transformString.toLowerCase().split(' ').reduce(function (acc, n) {
1545
        var parts = n.toLowerCase().split('-');
1546
        var first = parts[0];
1547
        var rest = parts.slice(1).join('-');
1548

1549
        if (first && rest === 'h') {
1550
          acc.flipX = true;
1551
          return acc;
1552
        }
1553

1554
        if (first && rest === 'v') {
1555
          acc.flipY = true;
1556
          return acc;
1557
        }
1558

1559
        rest = parseFloat(rest);
1560

1561
        if (isNaN(rest)) {
1562
          return acc;
1563
        }
1564

1565
        switch (first) {
1566
          case 'grow':
1567
            acc.size = acc.size + rest;
1568
            break;
1569

1570
          case 'shrink':
1571
            acc.size = acc.size - rest;
1572
            break;
1573

1574
          case 'left':
1575
            acc.x = acc.x - rest;
1576
            break;
1577

1578
          case 'right':
1579
            acc.x = acc.x + rest;
1580
            break;
1581

1582
          case 'up':
1583
            acc.y = acc.y - rest;
1584
            break;
1585

1586
          case 'down':
1587
            acc.y = acc.y + rest;
1588
            break;
1589

1590
          case 'rotate':
1591
            acc.rotate = acc.rotate + rest;
1592
            break;
1593
        }
1594

1595
        return acc;
1596
      }, transform);
1597
    }
1598
  };
1599
  function transformParser (node) {
1600
    return parseTransformString(node.getAttribute('data-fa-transform'));
1601
  }
1602

1603
  function symbolParser (node) {
1604
    var symbol = node.getAttribute('data-fa-symbol');
1605
    return symbol === null ? false : symbol === '' ? true : symbol;
1606
  }
1607

1608
  function attributesParser (node) {
1609
    var extraAttributes = toArray(node.attributes).reduce(function (acc, attr) {
1610
      if (acc.name !== 'class' && acc.name !== 'style') {
1611
        acc[attr.name] = attr.value;
1612
      }
1613

1614
      return acc;
1615
    }, {});
1616
    var title = node.getAttribute('title');
1617
    var titleId = node.getAttribute('data-fa-title-id');
1618

1619
    if (config.autoA11y) {
1620
      if (title) {
1621
        extraAttributes['aria-labelledby'] = "".concat(config.replacementClass, "-title-").concat(titleId || nextUniqueId());
1622
      } else {
1623
        extraAttributes['aria-hidden'] = 'true';
1624
        extraAttributes['focusable'] = 'false';
1625
      }
1626
    }
1627

1628
    return extraAttributes;
1629
  }
1630

1631
  function maskParser (node) {
1632
    var mask = node.getAttribute('data-fa-mask');
1633

1634
    if (!mask) {
1635
      return emptyCanonicalIcon();
1636
    } else {
1637
      return getCanonicalIcon(mask.split(' ').map(function (i) {
1638
        return i.trim();
1639
      }));
1640
    }
1641
  }
1642

1643
  function blankMeta() {
1644
    return {
1645
      iconName: null,
1646
      title: null,
1647
      titleId: null,
1648
      prefix: null,
1649
      transform: meaninglessTransform,
1650
      symbol: false,
1651
      mask: null,
1652
      maskId: null,
1653
      extra: {
1654
        classes: [],
1655
        styles: {},
1656
        attributes: {}
1657
      }
1658
    };
1659
  }
1660
  function parseMeta(node) {
1661
    var _classParser = classParser(node),
1662
        iconName = _classParser.iconName,
1663
        prefix = _classParser.prefix,
1664
        extraClasses = _classParser.rest;
1665

1666
    var extraStyles = styleParser(node);
1667
    var transform = transformParser(node);
1668
    var symbol = symbolParser(node);
1669
    var extraAttributes = attributesParser(node);
1670
    var mask = maskParser(node);
1671
    return {
1672
      iconName: iconName,
1673
      title: node.getAttribute('title'),
1674
      titleId: node.getAttribute('data-fa-title-id'),
1675
      prefix: prefix,
1676
      transform: transform,
1677
      symbol: symbol,
1678
      mask: mask,
1679
      maskId: node.getAttribute('data-fa-mask-id'),
1680
      extra: {
1681
        classes: extraClasses,
1682
        styles: extraStyles,
1683
        attributes: extraAttributes
1684
      }
1685
    };
1686
  }
1687

1688
  function MissingIcon(error) {
1689
    this.name = 'MissingIcon';
1690
    this.message = error || 'Icon unavailable';
1691
    this.stack = new Error().stack;
1692
  }
1693
  MissingIcon.prototype = Object.create(Error.prototype);
1694
  MissingIcon.prototype.constructor = MissingIcon;
1695

1696
  var FILL = {
1697
    fill: 'currentColor'
1698
  };
1699
  var ANIMATION_BASE = {
1700
    attributeType: 'XML',
1701
    repeatCount: 'indefinite',
1702
    dur: '2s'
1703
  };
1704
  var RING = {
1705
    tag: 'path',
1706
    attributes: _objectSpread({}, FILL, {
1707
      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'
1708
    })
1709
  };
1710

1711
  var OPACITY_ANIMATE = _objectSpread({}, ANIMATION_BASE, {
1712
    attributeName: 'opacity'
1713
  });
1714

1715
  var DOT = {
1716
    tag: 'circle',
1717
    attributes: _objectSpread({}, FILL, {
1718
      cx: '256',
1719
      cy: '364',
1720
      r: '28'
1721
    }),
1722
    children: [{
1723
      tag: 'animate',
1724
      attributes: _objectSpread({}, ANIMATION_BASE, {
1725
        attributeName: 'r',
1726
        values: '28;14;28;28;14;28;'
1727
      })
1728
    }, {
1729
      tag: 'animate',
1730
      attributes: _objectSpread({}, OPACITY_ANIMATE, {
1731
        values: '1;0;1;1;0;1;'
1732
      })
1733
    }]
1734
  };
1735
  var QUESTION = {
1736
    tag: 'path',
1737
    attributes: _objectSpread({}, FILL, {
1738
      opacity: '1',
1739
      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'
1740
    }),
1741
    children: [{
1742
      tag: 'animate',
1743
      attributes: _objectSpread({}, OPACITY_ANIMATE, {
1744
        values: '1;0;0;0;0;1;'
1745
      })
1746
    }]
1747
  };
1748
  var EXCLAMATION = {
1749
    tag: 'path',
1750
    attributes: _objectSpread({}, FILL, {
1751
      opacity: '0',
1752
      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'
1753
    }),
1754
    children: [{
1755
      tag: 'animate',
1756
      attributes: _objectSpread({}, OPACITY_ANIMATE, {
1757
        values: '0;0;1;1;0;0;'
1758
      })
1759
    }]
1760
  };
1761
  var missing = {
1762
    tag: 'g',
1763
    children: [RING, DOT, QUESTION, EXCLAMATION]
1764
  };
1765

1766
  var styles$2 = namespace.styles;
1767
  function asFoundIcon(icon) {
1768
    var width = icon[0];
1769
    var height = icon[1];
1770

1771
    var _icon$slice = icon.slice(4),
1772
        _icon$slice2 = _slicedToArray(_icon$slice, 1),
1773
        vectorData = _icon$slice2[0];
1774

1775
    var element = null;
1776

1777
    if (Array.isArray(vectorData)) {
1778
      element = {
1779
        tag: 'g',
1780
        attributes: {
1781
          class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.GROUP)
1782
        },
1783
        children: [{
1784
          tag: 'path',
1785
          attributes: {
1786
            class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.SECONDARY),
1787
            fill: 'currentColor',
1788
            d: vectorData[0]
1789
          }
1790
        }, {
1791
          tag: 'path',
1792
          attributes: {
1793
            class: "".concat(config.familyPrefix, "-").concat(DUOTONE_CLASSES.PRIMARY),
1794
            fill: 'currentColor',
1795
            d: vectorData[1]
1796
          }
1797
        }]
1798
      };
1799
    } else {
1800
      element = {
1801
        tag: 'path',
1802
        attributes: {
1803
          fill: 'currentColor',
1804
          d: vectorData
1805
        }
1806
      };
1807
    }
1808

1809
    return {
1810
      found: true,
1811
      width: width,
1812
      height: height,
1813
      icon: element
1814
    };
1815
  }
1816
  function findIcon(iconName, prefix) {
1817
    return new picked(function (resolve, reject) {
1818
      var val = {
1819
        found: false,
1820
        width: 512,
1821
        height: 512,
1822
        icon: missing
1823
      };
1824

1825
      if (iconName && prefix && styles$2[prefix] && styles$2[prefix][iconName]) {
1826
        var icon = styles$2[prefix][iconName];
1827
        return resolve(asFoundIcon(icon));
1828
      }
1829

1830
      if (iconName && prefix && !config.showMissingIcons) {
1831
        reject(new MissingIcon("Icon is missing for prefix ".concat(prefix, " with icon name ").concat(iconName)));
1832
      } else {
1833
        resolve(val);
1834
      }
1835
    });
1836
  }
1837

1838
  var styles$3 = namespace.styles;
1839

1840
  function generateSvgReplacementMutation(node, nodeMeta) {
1841
    var iconName = nodeMeta.iconName,
1842
        title = nodeMeta.title,
1843
        titleId = nodeMeta.titleId,
1844
        prefix = nodeMeta.prefix,
1845
        transform = nodeMeta.transform,
1846
        symbol = nodeMeta.symbol,
1847
        mask = nodeMeta.mask,
1848
        maskId = nodeMeta.maskId,
1849
        extra = nodeMeta.extra;
1850
    return new picked(function (resolve, reject) {
1851
      picked.all([findIcon(iconName, prefix), findIcon(mask.iconName, mask.prefix)]).then(function (_ref) {
1852
        var _ref2 = _slicedToArray(_ref, 2),
1853
            main = _ref2[0],
1854
            mask = _ref2[1];
1855

1856
        resolve([node, makeInlineSvgAbstract({
1857
          icons: {
1858
            main: main,
1859
            mask: mask
1860
          },
1861
          prefix: prefix,
1862
          iconName: iconName,
1863
          transform: transform,
1864
          symbol: symbol,
1865
          mask: mask,
1866
          maskId: maskId,
1867
          title: title,
1868
          titleId: titleId,
1869
          extra: extra,
1870
          watchable: true
1871
        })]);
1872
      });
1873
    });
1874
  }
1875

1876
  function generateLayersText(node, nodeMeta) {
1877
    var title = nodeMeta.title,
1878
        transform = nodeMeta.transform,
1879
        extra = nodeMeta.extra;
1880
    var width = null;
1881
    var height = null;
1882

1883
    if (IS_IE) {
1884
      var computedFontSize = parseInt(getComputedStyle(node).fontSize, 10);
1885
      var boundingClientRect = node.getBoundingClientRect();
1886
      width = boundingClientRect.width / computedFontSize;
1887
      height = boundingClientRect.height / computedFontSize;
1888
    }
1889

1890
    if (config.autoA11y && !title) {
1891
      extra.attributes['aria-hidden'] = 'true';
1892
    }
1893

1894
    return picked.resolve([node, makeLayersTextAbstract({
1895
      content: node.innerHTML,
1896
      width: width,
1897
      height: height,
1898
      transform: transform,
1899
      title: title,
1900
      extra: extra,
1901
      watchable: true
1902
    })]);
1903
  }
1904

1905
  function generateMutation(node) {
1906
    var nodeMeta = parseMeta(node);
1907

1908
    if (~nodeMeta.extra.classes.indexOf(LAYERS_TEXT_CLASSNAME)) {
1909
      return generateLayersText(node, nodeMeta);
1910
    } else {
1911
      return generateSvgReplacementMutation(node, nodeMeta);
1912
    }
1913
  }
1914

1915
  function onTree(root) {
1916
    var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
1917
    if (!IS_DOM) return;
1918
    var htmlClassList = DOCUMENT.documentElement.classList;
1919

1920
    var hclAdd = function hclAdd(suffix) {
1921
      return htmlClassList.add("".concat(HTML_CLASS_I2SVG_BASE_CLASS, "-").concat(suffix));
1922
    };
1923

1924
    var hclRemove = function hclRemove(suffix) {
1925
      return htmlClassList.remove("".concat(HTML_CLASS_I2SVG_BASE_CLASS, "-").concat(suffix));
1926
    };
1927

1928
    var prefixes = config.autoFetchSvg ? Object.keys(PREFIX_TO_STYLE) : Object.keys(styles$3);
1929
    var prefixesDomQuery = [".".concat(LAYERS_TEXT_CLASSNAME, ":not([").concat(DATA_FA_I2SVG, "])")].concat(prefixes.map(function (p) {
1930
      return ".".concat(p, ":not([").concat(DATA_FA_I2SVG, "])");
1931
    })).join(', ');
1932

1933
    if (prefixesDomQuery.length === 0) {
1934
      return;
1935
    }
1936

1937
    var candidates = [];
1938

1939
    try {
1940
      candidates = toArray(root.querySelectorAll(prefixesDomQuery));
1941
    } catch (e) {// noop
1942
    }
1943

1944
    if (candidates.length > 0) {
1945
      hclAdd('pending');
1946
      hclRemove('complete');
1947
    } else {
1948
      return;
1949
    }
1950

1951
    var mark = perf.begin('onTree');
1952
    var mutations = candidates.reduce(function (acc, node) {
1953
      try {
1954
        var mutation = generateMutation(node);
1955

1956
        if (mutation) {
1957
          acc.push(mutation);
1958
        }
1959
      } catch (e) {
1960
        if (!PRODUCTION) {
1961
          if (e instanceof MissingIcon) {
1962
            console.error(e);
1963
          }
1964
        }
1965
      }
1966

1967
      return acc;
1968
    }, []);
1969
    return new picked(function (resolve, reject) {
1970
      picked.all(mutations).then(function (resolvedMutations) {
1971
        perform(resolvedMutations, function () {
1972
          hclAdd('active');
1973
          hclAdd('complete');
1974
          hclRemove('pending');
1975
          if (typeof callback === 'function') callback();
1976
          mark();
1977
          resolve();
1978
        });
1979
      }).catch(function () {
1980
        mark();
1981
        reject();
1982
      });
1983
    });
1984
  }
1985
  function onNode(node) {
1986
    var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
1987
    generateMutation(node).then(function (mutation) {
1988
      if (mutation) {
1989
        perform([mutation], callback);
1990
      }
1991
    });
1992
  }
1993

1994
  function replaceForPosition(node, position) {
1995
    var pendingAttribute = "".concat(DATA_FA_PSEUDO_ELEMENT_PENDING).concat(position.replace(':', '-'));
1996
    return new picked(function (resolve, reject) {
1997
      if (node.getAttribute(pendingAttribute) !== null) {
1998
        // This node is already being processed
1999
        return resolve();
2000
      }
2001

2002
      var children = toArray(node.children);
2003
      var alreadyProcessedPseudoElement = children.filter(function (c) {
2004
        return c.getAttribute(DATA_FA_PSEUDO_ELEMENT) === position;
2005
      })[0];
2006
      var styles = WINDOW.getComputedStyle(node, position);
2007
      var fontFamily = styles.getPropertyValue('font-family').match(FONT_FAMILY_PATTERN);
2008
      var fontWeight = styles.getPropertyValue('font-weight');
2009
      var content = styles.getPropertyValue('content');
2010

2011
      if (alreadyProcessedPseudoElement && !fontFamily) {
2012
        // If we've already processed it but the current computed style does not result in a font-family,
2013
        // that probably means that a class name that was previously present to make the icon has been
2014
        // removed. So we now should delete the icon.
2015
        node.removeChild(alreadyProcessedPseudoElement);
2016
        return resolve();
2017
      } else if (fontFamily && content !== 'none' && content !== '') {
2018
        var _content = styles.getPropertyValue('content');
2019

2020
        var prefix = ~['Solid', 'Regular', 'Light', 'Duotone', 'Brands', 'Kit'].indexOf(fontFamily[2]) ? STYLE_TO_PREFIX[fontFamily[2].toLowerCase()] : FONT_WEIGHT_TO_PREFIX[fontWeight];
2021
        var hexValue = toHex(_content.length === 3 ? _content.substr(1, 1) : _content);
2022
        var iconName = byUnicode(prefix, hexValue);
2023
        var iconIdentifier = iconName; // Only convert the pseudo element in this :before/:after position into an icon if we haven't
2024
        // already done so with the same prefix and iconName
2025

2026
        if (iconName && (!alreadyProcessedPseudoElement || alreadyProcessedPseudoElement.getAttribute(DATA_PREFIX) !== prefix || alreadyProcessedPseudoElement.getAttribute(DATA_ICON) !== iconIdentifier)) {
2027
          node.setAttribute(pendingAttribute, iconIdentifier);
2028

2029
          if (alreadyProcessedPseudoElement) {
2030
            // Delete the old one, since we're replacing it with a new one
2031
            node.removeChild(alreadyProcessedPseudoElement);
2032
          }
2033

2034
          var meta = blankMeta();
2035
          var extra = meta.extra;
2036
          extra.attributes[DATA_FA_PSEUDO_ELEMENT] = position;
2037
          findIcon(iconName, prefix).then(function (main) {
2038
            var abstract = makeInlineSvgAbstract(_objectSpread({}, meta, {
2039
              icons: {
2040
                main: main,
2041
                mask: emptyCanonicalIcon()
2042
              },
2043
              prefix: prefix,
2044
              iconName: iconIdentifier,
2045
              extra: extra,
2046
              watchable: true
2047
            }));
2048
            var element = DOCUMENT.createElement('svg');
2049

2050
            if (position === ':before') {
2051
              node.insertBefore(element, node.firstChild);
2052
            } else {
2053
              node.appendChild(element);
2054
            }
2055

2056
            element.outerHTML = abstract.map(function (a) {
2057
              return toHtml(a);
2058
            }).join('\n');
2059
            node.removeAttribute(pendingAttribute);
2060
            resolve();
2061
          }).catch(reject);
2062
        } else {
2063
          resolve();
2064
        }
2065
      } else {
2066
        resolve();
2067
      }
2068
    });
2069
  }
2070

2071
  function replace(node) {
2072
    return picked.all([replaceForPosition(node, ':before'), replaceForPosition(node, ':after')]);
2073
  }
2074

2075
  function processable(node) {
2076
    return node.parentNode !== document.head && !~TAGNAMES_TO_SKIP_FOR_PSEUDOELEMENTS.indexOf(node.tagName.toUpperCase()) && !node.getAttribute(DATA_FA_PSEUDO_ELEMENT) && (!node.parentNode || node.parentNode.tagName !== 'svg');
2077
  }
2078

2079
  function searchPseudoElements (root) {
2080
    if (!IS_DOM) return;
2081
    return new picked(function (resolve, reject) {
2082
      var operations = toArray(root.querySelectorAll('*')).filter(processable).map(replace);
2083
      var end = perf.begin('searchPseudoElements');
2084
      disableObservation();
2085
      picked.all(operations).then(function () {
2086
        end();
2087
        enableObservation();
2088
        resolve();
2089
      }).catch(function () {
2090
        end();
2091
        enableObservation();
2092
        reject();
2093
      });
2094
    });
2095
  }
2096

2097
  var baseStyles = "svg:not(:root).svg-inline--fa {\n  overflow: visible;\n}\n\n.svg-inline--fa {\n  display: inline-block;\n  font-size: inherit;\n  height: 1em;\n  overflow: visible;\n  vertical-align: -0.125em;\n}\n.svg-inline--fa.fa-lg {\n  vertical-align: -0.225em;\n}\n.svg-inline--fa.fa-w-1 {\n  width: 0.0625em;\n}\n.svg-inline--fa.fa-w-2 {\n  width: 0.125em;\n}\n.svg-inline--fa.fa-w-3 {\n  width: 0.1875em;\n}\n.svg-inline--fa.fa-w-4 {\n  width: 0.25em;\n}\n.svg-inline--fa.fa-w-5 {\n  width: 0.3125em;\n}\n.svg-inline--fa.fa-w-6 {\n  width: 0.375em;\n}\n.svg-inline--fa.fa-w-7 {\n  width: 0.4375em;\n}\n.svg-inline--fa.fa-w-8 {\n  width: 0.5em;\n}\n.svg-inline--fa.fa-w-9 {\n  width: 0.5625em;\n}\n.svg-inline--fa.fa-w-10 {\n  width: 0.625em;\n}\n.svg-inline--fa.fa-w-11 {\n  width: 0.6875em;\n}\n.svg-inline--fa.fa-w-12 {\n  width: 0.75em;\n}\n.svg-inline--fa.fa-w-13 {\n  width: 0.8125em;\n}\n.svg-inline--fa.fa-w-14 {\n  width: 0.875em;\n}\n.svg-inline--fa.fa-w-15 {\n  width: 0.9375em;\n}\n.svg-inline--fa.fa-w-16 {\n  width: 1em;\n}\n.svg-inline--fa.fa-w-17 {\n  width: 1.0625em;\n}\n.svg-inline--fa.fa-w-18 {\n  width: 1.125em;\n}\n.svg-inline--fa.fa-w-19 {\n  width: 1.1875em;\n}\n.svg-inline--fa.fa-w-20 {\n  width: 1.25em;\n}\n.svg-inline--fa.fa-pull-left {\n  margin-right: 0.3em;\n  width: auto;\n}\n.svg-inline--fa.fa-pull-right {\n  margin-left: 0.3em;\n  width: auto;\n}\n.svg-inline--fa.fa-border {\n  height: 1.5em;\n}\n.svg-inline--fa.fa-li {\n  width: 2em;\n}\n.svg-inline--fa.fa-fw {\n  width: 1.25em;\n}\n\n.fa-layers svg.svg-inline--fa {\n  bottom: 0;\n  left: 0;\n  margin: auto;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n\n.fa-layers {\n  display: inline-block;\n  height: 1em;\n  position: relative;\n  text-align: center;\n  vertical-align: -0.125em;\n  width: 1em;\n}\n.fa-layers svg.svg-inline--fa {\n  -webkit-transform-origin: center center;\n          transform-origin: center center;\n}\n\n.fa-layers-counter, .fa-layers-text {\n  display: inline-block;\n  position: absolute;\n  text-align: center;\n}\n\n.fa-layers-text {\n  left: 50%;\n  top: 50%;\n  -webkit-transform: translate(-50%, -50%);\n          transform: translate(-50%, -50%);\n  -webkit-transform-origin: center center;\n          transform-origin: center center;\n}\n\n.fa-layers-counter {\n  background-color: #ff253a;\n  border-radius: 1em;\n  -webkit-box-sizing: border-box;\n          box-sizing: border-box;\n  color: #fff;\n  height: 1.5em;\n  line-height: 1;\n  max-width: 5em;\n  min-width: 1.5em;\n  overflow: hidden;\n  padding: 0.25em;\n  right: 0;\n  text-overflow: ellipsis;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top right;\n          transform-origin: top right;\n}\n\n.fa-layers-bottom-right {\n  bottom: 0;\n  right: 0;\n  top: auto;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: bottom right;\n          transform-origin: bottom right;\n}\n\n.fa-layers-bottom-left {\n  bottom: 0;\n  left: 0;\n  right: auto;\n  top: auto;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: bottom left;\n          transform-origin: bottom left;\n}\n\n.fa-layers-top-right {\n  right: 0;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top right;\n          transform-origin: top right;\n}\n\n.fa-layers-top-left {\n  left: 0;\n  right: auto;\n  top: 0;\n  -webkit-transform: scale(0.25);\n          transform: scale(0.25);\n  -webkit-transform-origin: top left;\n          transform-origin: top left;\n}\n\n.fa-lg {\n  font-size: 1.3333333333em;\n  line-height: 0.75em;\n  vertical-align: -0.0667em;\n}\n\n.fa-xs {\n  font-size: 0.75em;\n}\n\n.fa-sm {\n  font-size: 0.875em;\n}\n\n.fa-1x {\n  font-size: 1em;\n}\n\n.fa-2x {\n  font-size: 2em;\n}\n\n.fa-3x {\n  font-size: 3em;\n}\n\n.fa-4x {\n  font-size: 4em;\n}\n\n.fa-5x {\n  font-size: 5em;\n}\n\n.fa-6x {\n  font-size: 6em;\n}\n\n.fa-7x {\n  font-size: 7em;\n}\n\n.fa-8x {\n  font-size: 8em;\n}\n\n.fa-9x {\n  font-size: 9em;\n}\n\n.fa-10x {\n  font-size: 10em;\n}\n\n.fa-fw {\n  text-align: center;\n  width: 1.25em;\n}\n\n.fa-ul {\n  list-style-type: none;\n  margin-left: 2.5em;\n  padding-left: 0;\n}\n.fa-ul > li {\n  position: relative;\n}\n\n.fa-li {\n  left: -2em;\n  position: absolute;\n  text-align: center;\n  width: 2em;\n  line-height: inherit;\n}\n\n.fa-border {\n  border: solid 0.08em #eee;\n  border-radius: 0.1em;\n  padding: 0.2em 0.25em 0.15em;\n}\n\n.fa-pull-left {\n  float: left;\n}\n\n.fa-pull-right {\n  float: right;\n}\n\n.fa.fa-pull-left,\n.fas.fa-pull-left,\n.far.fa-pull-left,\n.fal.fa-pull-left,\n.fab.fa-pull-left {\n  margin-right: 0.3em;\n}\n.fa.fa-pull-right,\n.fas.fa-pull-right,\n.far.fa-pull-right,\n.fal.fa-pull-right,\n.fab.fa-pull-right {\n  margin-left: 0.3em;\n}\n\n.fa-spin {\n  -webkit-animation: fa-spin 2s infinite linear;\n          animation: fa-spin 2s infinite linear;\n}\n\n.fa-pulse {\n  -webkit-animation: fa-spin 1s infinite steps(8);\n          animation: fa-spin 1s infinite steps(8);\n}\n\n@-webkit-keyframes fa-spin {\n  0% {\n    -webkit-transform: rotate(0deg);\n            transform: rotate(0deg);\n  }\n  100% {\n    -webkit-transform: rotate(360deg);\n            transform: rotate(360deg);\n  }\n}\n\n@keyframes fa-spin {\n  0% {\n    -webkit-transform: rotate(0deg);\n            transform: rotate(0deg);\n  }\n  100% {\n    -webkit-transform: rotate(360deg);\n            transform: rotate(360deg);\n  }\n}\n.fa-rotate-90 {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)\";\n  -webkit-transform: rotate(90deg);\n          transform: rotate(90deg);\n}\n\n.fa-rotate-180 {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)\";\n  -webkit-transform: rotate(180deg);\n          transform: rotate(180deg);\n}\n\n.fa-rotate-270 {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)\";\n  -webkit-transform: rotate(270deg);\n          transform: rotate(270deg);\n}\n\n.fa-flip-horizontal {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)\";\n  -webkit-transform: scale(-1, 1);\n          transform: scale(-1, 1);\n}\n\n.fa-flip-vertical {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\";\n  -webkit-transform: scale(1, -1);\n          transform: scale(1, -1);\n}\n\n.fa-flip-both, .fa-flip-horizontal.fa-flip-vertical {\n  -ms-filter: \"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)\";\n  -webkit-transform: scale(-1, -1);\n          transform: scale(-1, -1);\n}\n\n:root .fa-rotate-90,\n:root .fa-rotate-180,\n:root .fa-rotate-270,\n:root .fa-flip-horizontal,\n:root .fa-flip-vertical,\n:root .fa-flip-both {\n  -webkit-filter: none;\n          filter: none;\n}\n\n.fa-stack {\n  display: inline-block;\n  height: 2em;\n  position: relative;\n  width: 2.5em;\n}\n\n.fa-stack-1x,\n.fa-stack-2x {\n  bottom: 0;\n  left: 0;\n  margin: auto;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n\n.svg-inline--fa.fa-stack-1x {\n  height: 1em;\n  width: 1.25em;\n}\n.svg-inline--fa.fa-stack-2x {\n  height: 2em;\n  width: 2.5em;\n}\n\n.fa-inverse {\n  color: #fff;\n}\n\n.sr-only {\n  border: 0;\n  clip: rect(0, 0, 0, 0);\n  height: 1px;\n  margin: -1px;\n  overflow: hidden;\n  padding: 0;\n  position: absolute;\n  width: 1px;\n}\n\n.sr-only-focusable:active, .sr-only-focusable:focus {\n  clip: auto;\n  height: auto;\n  margin: 0;\n  overflow: visible;\n  position: static;\n  width: auto;\n}\n\n.svg-inline--fa .fa-primary {\n  fill: var(--fa-primary-color, currentColor);\n  opacity: 1;\n  opacity: var(--fa-primary-opacity, 1);\n}\n\n.svg-inline--fa .fa-secondary {\n  fill: var(--fa-secondary-color, currentColor);\n  opacity: 0.4;\n  opacity: var(--fa-secondary-opacity, 0.4);\n}\n\n.svg-inline--fa.fa-swap-opacity .fa-primary {\n  opacity: 0.4;\n  opacity: var(--fa-secondary-opacity, 0.4);\n}\n\n.svg-inline--fa.fa-swap-opacity .fa-secondary {\n  opacity: 1;\n  opacity: var(--fa-primary-opacity, 1);\n}\n\n.svg-inline--fa mask .fa-primary,\n.svg-inline--fa mask .fa-secondary {\n  fill: black;\n}\n\n.fad.fa-inverse {\n  color: #fff;\n}";
2098

2099
  function css () {
2100
    var dfp = DEFAULT_FAMILY_PREFIX;
2101
    var drc = DEFAULT_REPLACEMENT_CLASS;
2102
    var fp = config.familyPrefix;
2103
    var rc = config.replacementClass;
2104
    var s = baseStyles;
2105

2106
    if (fp !== dfp || rc !== drc) {
2107
      var dPatt = new RegExp("\\.".concat(dfp, "\\-"), 'g');
2108
      var customPropPatt = new RegExp("\\--".concat(dfp, "\\-"), 'g');
2109
      var rPatt = new RegExp("\\.".concat(drc), 'g');
2110
      s = s.replace(dPatt, ".".concat(fp, "-")).replace(customPropPatt, "--".concat(fp, "-")).replace(rPatt, ".".concat(rc));
2111
    }
2112

2113
    return s;
2114
  }
2115

2116
  var Library =
2117
  /*#__PURE__*/
2118
  function () {
2119
    function Library() {
2120
      _classCallCheck(this, Library);
2121

2122
      this.definitions = {};
2123
    }
2124

2125
    _createClass(Library, [{
2126
      key: "add",
2127
      value: function add() {
2128
        var _this = this;
2129

2130
        for (var _len = arguments.length, definitions = new Array(_len), _key = 0; _key < _len; _key++) {
2131
          definitions[_key] = arguments[_key];
2132
        }
2133

2134
        var additions = definitions.reduce(this._pullDefinitions, {});
2135
        Object.keys(additions).forEach(function (key) {
2136
          _this.definitions[key] = _objectSpread({}, _this.definitions[key] || {}, additions[key]);
2137
          defineIcons(key, additions[key]);
2138
          build();
2139
        });
2140
      }
2141
    }, {
2142
      key: "reset",
2143
      value: function reset() {
2144
        this.definitions = {};
2145
      }
2146
    }, {
2147
      key: "_pullDefinitions",
2148
      value: function _pullDefinitions(additions, definition) {
2149
        var normalized = definition.prefix && definition.iconName && definition.icon ? {
2150
          0: definition
2151
        } : definition;
2152
        Object.keys(normalized).map(function (key) {
2153
          var _normalized$key = normalized[key],
2154
              prefix = _normalized$key.prefix,
2155
              iconName = _normalized$key.iconName,
2156
              icon = _normalized$key.icon;
2157
          if (!additions[prefix]) additions[prefix] = {};
2158
          additions[prefix][iconName] = icon;
2159
        });
2160
        return additions;
2161
      }
2162
    }]);
2163

2164
    return Library;
2165
  }();
2166

2167
  function ensureCss() {
2168
    if (config.autoAddCss && !_cssInserted) {
2169
      insertCss(css());
2170

2171
      _cssInserted = true;
2172
    }
2173
  }
2174

2175
  function apiObject(val, abstractCreator) {
2176
    Object.defineProperty(val, 'abstract', {
2177
      get: abstractCreator
2178
    });
2179
    Object.defineProperty(val, 'html', {
2180
      get: function get() {
2181
        return val.abstract.map(function (a) {
2182
          return toHtml(a);
2183
        });
2184
      }
2185
    });
2186
    Object.defineProperty(val, 'node', {
2187
      get: function get() {
2188
        if (!IS_DOM) return;
2189
        var container = DOCUMENT.createElement('div');
2190
        container.innerHTML = val.html;
2191
        return container.children;
2192
      }
2193
    });
2194
    return val;
2195
  }
2196

2197
  function findIconDefinition(iconLookup) {
2198
    var _iconLookup$prefix = iconLookup.prefix,
2199
        prefix = _iconLookup$prefix === void 0 ? 'fa' : _iconLookup$prefix,
2200
        iconName = iconLookup.iconName;
2201
    if (!iconName) return;
2202
    return iconFromMapping(library.definitions, prefix, iconName) || iconFromMapping(namespace.styles, prefix, iconName);
2203
  }
2204

2205
  function resolveIcons(next) {
2206
    return function (maybeIconDefinition) {
2207
      var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
2208
      var iconDefinition = (maybeIconDefinition || {}).icon ? maybeIconDefinition : findIconDefinition(maybeIconDefinition || {});
2209
      var mask = params.mask;
2210

2211
      if (mask) {
2212
        mask = (mask || {}).icon ? mask : findIconDefinition(mask || {});
2213
      }
2214

2215
      return next(iconDefinition, _objectSpread({}, params, {
2216
        mask: mask
2217
      }));
2218
    };
2219
  }
2220

2221
  var library = new Library();
2222
  var noAuto = function noAuto() {
2223
    config.autoReplaceSvg = false;
2224
    config.observeMutations = false;
2225
    disconnect();
2226
  };
2227
  var _cssInserted = false;
2228
  var dom = {
2229
    i2svg: function i2svg() {
2230
      var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
2231

2232
      if (IS_DOM) {
2233
        ensureCss();
2234
        var _params$node = params.node,
2235
            node = _params$node === void 0 ? DOCUMENT : _params$node,
2236
            _params$callback = params.callback,
2237
            callback = _params$callback === void 0 ? function () {} : _params$callback;
2238

2239
        if (config.searchPseudoElements) {
2240
          searchPseudoElements(node);
2241
        }
2242

2243
        return onTree(node, callback);
2244
      } else {
2245
        return picked.reject('Operation requires a DOM of some kind.');
2246
      }
2247
    },
2248
    css: css,
2249
    insertCss: function insertCss$$1() {
2250
      if (!_cssInserted) {
2251
        insertCss(css());
2252

2253
        _cssInserted = true;
2254
      }
2255
    },
2256
    watch: function watch() {
2257
      var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
2258
      var autoReplaceSvgRoot = params.autoReplaceSvgRoot,
2259
          observeMutationsRoot = params.observeMutationsRoot;
2260

2261
      if (config.autoReplaceSvg === false) {
2262
        config.autoReplaceSvg = true;
2263
      }
2264

2265
      config.observeMutations = true;
2266
      domready(function () {
2267
        autoReplace({
2268
          autoReplaceSvgRoot: autoReplaceSvgRoot
2269
        });
2270
        observe({
2271
          treeCallback: onTree,
2272
          nodeCallback: onNode,
2273
          pseudoElementsCallback: searchPseudoElements,
2274
          observeMutationsRoot: observeMutationsRoot
2275
        });
2276
      });
2277
    }
2278
  };
2279
  var parse = {
2280
    transform: function transform(transformString) {
2281
      return parseTransformString(transformString);
2282
    }
2283
  };
2284
  var icon = resolveIcons(function (iconDefinition) {
2285
    var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
2286
    var _params$transform = params.transform,
2287
        transform = _params$transform === void 0 ? meaninglessTransform : _params$transform,
2288
        _params$symbol = params.symbol,
2289
        symbol = _params$symbol === void 0 ? false : _params$symbol,
2290
        _params$mask = params.mask,
2291
        mask = _params$mask === void 0 ? null : _params$mask,
2292
        _params$maskId = params.maskId,
2293
        maskId = _params$maskId === void 0 ? null : _params$maskId,
2294
        _params$title = params.title,
2295
        title = _params$title === void 0 ? null : _params$title,
2296
        _params$titleId = params.titleId,
2297
        titleId = _params$titleId === void 0 ? null : _params$titleId,
2298
        _params$classes = params.classes,
2299
        classes = _params$classes === void 0 ? [] : _params$classes,
2300
        _params$attributes = params.attributes,
2301
        attributes = _params$attributes === void 0 ? {} : _params$attributes,
2302
        _params$styles = params.styles,
2303
        styles = _params$styles === void 0 ? {} : _params$styles;
2304
    if (!iconDefinition) return;
2305
    var prefix = iconDefinition.prefix,
2306
        iconName = iconDefinition.iconName,
2307
        icon = iconDefinition.icon;
2308
    return apiObject(_objectSpread({
2309
      type: 'icon'
2310
    }, iconDefinition), function () {
2311
      ensureCss();
2312

2313
      if (config.autoA11y) {
2314
        if (title) {
2315
          attributes['aria-labelledby'] = "".concat(config.replacementClass, "-title-").concat(titleId || nextUniqueId());
2316
        } else {
2317
          attributes['aria-hidden'] = 'true';
2318
          attributes['focusable'] = 'false';
2319
        }
2320
      }
2321

2322
      return makeInlineSvgAbstract({
2323
        icons: {
2324
          main: asFoundIcon(icon),
2325
          mask: mask ? asFoundIcon(mask.icon) : {
2326
            found: false,
2327
            width: null,
2328
            height: null,
2329
            icon: {}
2330
          }
2331
        },
2332
        prefix: prefix,
2333
        iconName: iconName,
2334
        transform: _objectSpread({}, meaninglessTransform, transform),
2335
        symbol: symbol,
2336
        title: title,
2337
        maskId: maskId,
2338
        titleId: titleId,
2339
        extra: {
2340
          attributes: attributes,
2341
          styles: styles,
2342
          classes: classes
2343
        }
2344
      });
2345
    });
2346
  });
2347
  var text = function text(content) {
2348
    var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
2349
    var _params$transform2 = params.transform,
2350
        transform = _params$transform2 === void 0 ? meaninglessTransform : _params$transform2,
2351
        _params$title2 = params.title,
2352
        title = _params$title2 === void 0 ? null : _params$title2,
2353
        _params$classes2 = params.classes,
2354
        classes = _params$classes2 === void 0 ? [] : _params$classes2,
2355
        _params$attributes2 = params.attributes,
2356
        attributes = _params$attributes2 === void 0 ? {} : _params$attributes2,
2357
        _params$styles2 = params.styles,
2358
        styles = _params$styles2 === void 0 ? {} : _params$styles2;
2359
    return apiObject({
2360
      type: 'text',
2361
      content: content
2362
    }, function () {
2363
      ensureCss();
2364
      return makeLayersTextAbstract({
2365
        content: content,
2366
        transform: _objectSpread({}, meaninglessTransform, transform),
2367
        title: title,
2368
        extra: {
2369
          attributes: attributes,
2370
          styles: styles,
2371
          classes: ["".concat(config.familyPrefix, "-layers-text")].concat(_toConsumableArray(classes))
2372
        }
2373
      });
2374
    });
2375
  };
2376
  var counter = function counter(content) {
2377
    var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
2378
    var _params$title3 = params.title,
2379
        title = _params$title3 === void 0 ? null : _params$title3,
2380
        _params$classes3 = params.classes,
2381
        classes = _params$classes3 === void 0 ? [] : _params$classes3,
2382
        _params$attributes3 = params.attributes,
2383
        attributes = _params$attributes3 === void 0 ? {} : _params$attributes3,
2384
        _params$styles3 = params.styles,
2385
        styles = _params$styles3 === void 0 ? {} : _params$styles3;
2386
    return apiObject({
2387
      type: 'counter',
2388
      content: content
2389
    }, function () {
2390
      ensureCss();
2391
      return makeLayersCounterAbstract({
2392
        content: content.toString(),
2393
        title: title,
2394
        extra: {
2395
          attributes: attributes,
2396
          styles: styles,
2397
          classes: ["".concat(config.familyPrefix, "-layers-counter")].concat(_toConsumableArray(classes))
2398
        }
2399
      });
2400
    });
2401
  };
2402
  var layer = function layer(assembler) {
2403
    var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
2404
    var _params$classes4 = params.classes,
2405
        classes = _params$classes4 === void 0 ? [] : _params$classes4;
2406
    return apiObject({
2407
      type: 'layer'
2408
    }, function () {
2409
      ensureCss();
2410
      var children = [];
2411
      assembler(function (args) {
2412
        Array.isArray(args) ? args.map(function (a) {
2413
          children = children.concat(a.abstract);
2414
        }) : children = children.concat(args.abstract);
2415
      });
2416
      return [{
2417
        tag: 'span',
2418
        attributes: {
2419
          class: ["".concat(config.familyPrefix, "-layers")].concat(_toConsumableArray(classes)).join(' ')
2420
        },
2421
        children: children
2422
      }];
2423
    });
2424
  };
2425
  var api = {
2426
    noAuto: noAuto,
2427
    config: config,
2428
    dom: dom,
2429
    library: library,
2430
    parse: parse,
2431
    findIconDefinition: findIconDefinition,
2432
    icon: icon,
2433
    text: text,
2434
    counter: counter,
2435
    layer: layer,
2436
    toHtml: toHtml
2437
  };
2438

2439
  var autoReplace = function autoReplace() {
2440
    var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
2441
    var _params$autoReplaceSv = params.autoReplaceSvgRoot,
2442
        autoReplaceSvgRoot = _params$autoReplaceSv === void 0 ? DOCUMENT : _params$autoReplaceSv;
2443
    if ((Object.keys(namespace.styles).length > 0 || config.autoFetchSvg) && IS_DOM && config.autoReplaceSvg) api.dom.i2svg({
2444
      node: autoReplaceSvgRoot
2445
    });
2446
  };
2447

2448
  function bootstrap() {
2449
    if (IS_BROWSER) {
2450
      if (!WINDOW.FontAwesome) {
2451
        WINDOW.FontAwesome = api;
2452
      }
2453

2454
      domready(function () {
2455
        autoReplace();
2456
        observe({
2457
          treeCallback: onTree,
2458
          nodeCallback: onNode,
2459
          pseudoElementsCallback: searchPseudoElements
2460
        });
2461
      });
2462
    }
2463

2464
    namespace.hooks = _objectSpread({}, namespace.hooks, {
2465
      addPack: function addPack(prefix, icons) {
2466
        namespace.styles[prefix] = _objectSpread({}, namespace.styles[prefix] || {}, icons);
2467
        build();
2468
        autoReplace();
2469
      },
2470
      addShims: function addShims(shims) {
2471
        var _namespace$shims;
2472

2473
        (_namespace$shims = namespace.shims).push.apply(_namespace$shims, _toConsumableArray(shims));
2474

2475
        build();
2476
        autoReplace();
2477
      }
2478
    });
2479
  }
2480

2481
  bunker(bootstrap);
2482

2483
}());
2484