aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/twbs/bootstrap/js/dist/offcanvas.js
blob: 529a294ff498699e33a192b26b37ba7e69efc39f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
/*!
  * Bootstrap offcanvas.js v5.0.2 (https://getbootstrap.com/)
  * Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/manipulator.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/manipulator', './dom/event-handler', './base-component'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Offcanvas = factory(global.SelectorEngine, global.Manipulator, global.EventHandler, global.Base));
}(this, (function (SelectorEngine, Manipulator, EventHandler, BaseComponent) { 'use strict';

  function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

  var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
  var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
  var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
  var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);

  const MILLISECONDS_MULTIPLIER = 1000;
  const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)

  const toType = obj => {
    if (obj === null || obj === undefined) {
      return `${obj}`;
    }

    return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
  };

  const getSelector = element => {
    let selector = element.getAttribute('data-bs-target');

    if (!selector || selector === '#') {
      let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
      // so everything starting with `#` or `.`. If a "real" URL is used as the selector,
      // `document.querySelector` will rightfully complain it is invalid.
      // See https://github.com/twbs/bootstrap/issues/32273

      if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
        return null;
      } // Just in case some CMS puts out a full URL with the anchor appended


      if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
        hrefAttr = `#${hrefAttr.split('#')[1]}`;
      }

      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
    }

    return selector;
  };

  const getElementFromSelector = element => {
    const selector = getSelector(element);
    return selector ? document.querySelector(selector) : null;
  };

  const getTransitionDurationFromElement = element => {
    if (!element) {
      return 0;
    } // Get transition-duration of the element


    let {
      transitionDuration,
      transitionDelay
    } = window.getComputedStyle(element);
    const floatTransitionDuration = Number.parseFloat(transitionDuration);
    const floatTransitionDelay = Number.parseFloat(transitionDelay); // Return 0 if element or transition duration is not found

    if (!floatTransitionDuration && !floatTransitionDelay) {
      return 0;
    } // If multiple durations are defined, take the first


    transitionDuration = transitionDuration.split(',')[0];
    transitionDelay = transitionDelay.split(',')[0];
    return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
  };

  const triggerTransitionEnd = element => {
    element.dispatchEvent(new Event(TRANSITION_END));
  };

  const isElement = obj => {
    if (!obj || typeof obj !== 'object') {
      return false;
    }

    if (typeof obj.jquery !== 'undefined') {
      obj = obj[0];
    }

    return typeof obj.nodeType !== 'undefined';
  };

  const getElement = obj => {
    if (isElement(obj)) {
      // it's a jQuery object or a node element
      return obj.jquery ? obj[0] : obj;
    }

    if (typeof obj === 'string' && obj.length > 0) {
      return SelectorEngine__default['default'].findOne(obj);
    }

    return null;
  };

  const typeCheckConfig = (componentName, config, configTypes) => {
    Object.keys(configTypes).forEach(property => {
      const expectedTypes = configTypes[property];
      const value = config[property];
      const valueType = value && isElement(value) ? 'element' : toType(value);

      if (!new RegExp(expectedTypes).test(valueType)) {
        throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
      }
    });
  };

  const isVisible = element => {
    if (!isElement(element) || element.getClientRects().length === 0) {
      return false;
    }

    return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
  };

  const isDisabled = element => {
    if (!element || element.nodeType !== Node.ELEMENT_NODE) {
      return true;
    }

    if (element.classList.contains('disabled')) {
      return true;
    }

    if (typeof element.disabled !== 'undefined') {
      return element.disabled;
    }

    return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false';
  };

  const reflow = element => element.offsetHeight;

  const getjQuery = () => {
    const {
      jQuery
    } = window;

    if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
      return jQuery;
    }

    return null;
  };

  const DOMContentLoadedCallbacks = [];

  const onDOMContentLoaded = callback => {
    if (document.readyState === 'loading') {
      // add listener on the first call when the document is in loading state
      if (!DOMContentLoadedCallbacks.length) {
        document.addEventListener('DOMContentLoaded', () => {
          DOMContentLoadedCallbacks.forEach(callback => callback());
        });
      }

      DOMContentLoadedCallbacks.push(callback);
    } else {
      callback();
    }
  };

  const defineJQueryPlugin = plugin => {
    onDOMContentLoaded(() => {
      const $ = getjQuery();
      /* istanbul ignore if */

      if ($) {
        const name = plugin.NAME;
        const JQUERY_NO_CONFLICT = $.fn[name];
        $.fn[name] = plugin.jQueryInterface;
        $.fn[name].Constructor = plugin;

        $.fn[name].noConflict = () => {
          $.fn[name] = JQUERY_NO_CONFLICT;
          return plugin.jQueryInterface;
        };
      }
    });
  };

  const execute = callback => {
    if (typeof callback === 'function') {
      callback();
    }
  };

  const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
    if (!waitForTransition) {
      execute(callback);
      return;
    }

    const durationPadding = 5;
    const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
    let called = false;

    const handler = ({
      target
    }) => {
      if (target !== transitionElement) {
        return;
      }

      called = true;
      transitionElement.removeEventListener(TRANSITION_END, handler);
      execute(callback);
    };

    transitionElement.addEventListener(TRANSITION_END, handler);
    setTimeout(() => {
      if (!called) {
        triggerTransitionEnd(transitionElement);
      }
    }, emulatedDuration);
  };

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.2): util/scrollBar.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
  const SELECTOR_STICKY_CONTENT = '.sticky-top';

  class ScrollBarHelper {
    constructor() {
      this._element = document.body;
    }

    getWidth() {
      // https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
      const documentWidth = document.documentElement.clientWidth;
      return Math.abs(window.innerWidth - documentWidth);
    }

    hide() {
      const width = this.getWidth();

      this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width


      this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth


      this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);

      this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
    }

    _disableOverFlow() {
      this._saveInitialAttribute(this._element, 'overflow');

      this._element.style.overflow = 'hidden';
    }

    _setElementAttributes(selector, styleProp, callback) {
      const scrollbarWidth = this.getWidth();

      const manipulationCallBack = element => {
        if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
          return;
        }

        this._saveInitialAttribute(element, styleProp);

        const calculatedValue = window.getComputedStyle(element)[styleProp];
        element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
      };

      this._applyManipulationCallback(selector, manipulationCallBack);
    }

    reset() {
      this._resetElementAttributes(this._element, 'overflow');

      this._resetElementAttributes(this._element, 'paddingRight');

      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');

      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
    }

    _saveInitialAttribute(element, styleProp) {
      const actualValue = element.style[styleProp];

      if (actualValue) {
        Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
      }
    }

    _resetElementAttributes(selector, styleProp) {
      const manipulationCallBack = element => {
        const value = Manipulator__default['default'].getDataAttribute(element, styleProp);

        if (typeof value === 'undefined') {
          element.style.removeProperty(styleProp);
        } else {
          Manipulator__default['default'].removeDataAttribute(element, styleProp);
          element.style[styleProp] = value;
        }
      };

      this._applyManipulationCallback(selector, manipulationCallBack);
    }

    _applyManipulationCallback(selector, callBack) {
      if (isElement(selector)) {
        callBack(selector);
      } else {
        SelectorEngine__default['default'].find(selector, this._element).forEach(callBack);
      }
    }

    isOverflowing() {
      return this.getWidth() > 0;
    }

  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.2): util/backdrop.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  const Default$1 = {
    isVisible: true,
    // if false, we use the backdrop helper without adding any element to the dom
    isAnimated: false,
    rootElement: 'body',
    // give the choice to place backdrop under different elements
    clickCallback: null
  };
  const DefaultType$1 = {
    isVisible: 'boolean',
    isAnimated: 'boolean',
    rootElement: '(element|string)',
    clickCallback: '(function|null)'
  };
  const NAME$1 = 'backdrop';
  const CLASS_NAME_BACKDROP = 'modal-backdrop';
  const CLASS_NAME_FADE = 'fade';
  const CLASS_NAME_SHOW$1 = 'show';
  const EVENT_MOUSEDOWN = `mousedown.bs.${NAME$1}`;

  class Backdrop {
    constructor(config) {
      this._config = this._getConfig(config);
      this._isAppended = false;
      this._element = null;
    }

    show(callback) {
      if (!this._config.isVisible) {
        execute(callback);
        return;
      }

      this._append();

      if (this._config.isAnimated) {
        reflow(this._getElement());
      }

      this._getElement().classList.add(CLASS_NAME_SHOW$1);

      this._emulateAnimation(() => {
        execute(callback);
      });
    }

    hide(callback) {
      if (!this._config.isVisible) {
        execute(callback);
        return;
      }

      this._getElement().classList.remove(CLASS_NAME_SHOW$1);

      this._emulateAnimation(() => {
        this.dispose();
        execute(callback);
      });
    } // Private


    _getElement() {
      if (!this._element) {
        const backdrop = document.createElement('div');
        backdrop.className = CLASS_NAME_BACKDROP;

        if (this._config.isAnimated) {
          backdrop.classList.add(CLASS_NAME_FADE);
        }

        this._element = backdrop;
      }

      return this._element;
    }

    _getConfig(config) {
      config = { ...Default$1,
        ...(typeof config === 'object' ? config : {})
      }; // use getElement() with the default "body" to get a fresh Element on each instantiation

      config.rootElement = getElement(config.rootElement);
      typeCheckConfig(NAME$1, config, DefaultType$1);
      return config;
    }

    _append() {
      if (this._isAppended) {
        return;
      }

      this._config.rootElement.appendChild(this._getElement());

      EventHandler__default['default'].on(this._getElement(), EVENT_MOUSEDOWN, () => {
        execute(this._config.clickCallback);
      });
      this._isAppended = true;
    }

    dispose() {
      if (!this._isAppended) {
        return;
      }

      EventHandler__default['default'].off(this._element, EVENT_MOUSEDOWN);

      this._element.remove();

      this._isAppended = false;
    }

    _emulateAnimation(callback) {
      executeAfterTransition(callback, this._getElement(), this._config.isAnimated);
    }

  }

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.2): offcanvas.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const NAME = 'offcanvas';
  const DATA_KEY = 'bs.offcanvas';
  const EVENT_KEY = `.${DATA_KEY}`;
  const DATA_API_KEY = '.data-api';
  const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
  const ESCAPE_KEY = 'Escape';
  const Default = {
    backdrop: true,
    keyboard: true,
    scroll: false
  };
  const DefaultType = {
    backdrop: 'boolean',
    keyboard: 'boolean',
    scroll: 'boolean'
  };
  const CLASS_NAME_SHOW = 'show';
  const OPEN_SELECTOR = '.offcanvas.show';
  const EVENT_SHOW = `show${EVENT_KEY}`;
  const EVENT_SHOWN = `shown${EVENT_KEY}`;
  const EVENT_HIDE = `hide${EVENT_KEY}`;
  const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
  const EVENT_FOCUSIN = `focusin${EVENT_KEY}`;
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
  const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`;
  const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
  const SELECTOR_DATA_DISMISS = '[data-bs-dismiss="offcanvas"]';
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="offcanvas"]';
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  class Offcanvas extends BaseComponent__default['default'] {
    constructor(element, config) {
      super(element);
      this._config = this._getConfig(config);
      this._isShown = false;
      this._backdrop = this._initializeBackDrop();

      this._addEventListeners();
    } // Getters


    static get NAME() {
      return NAME;
    }

    static get Default() {
      return Default;
    } // Public


    toggle(relatedTarget) {
      return this._isShown ? this.hide() : this.show(relatedTarget);
    }

    show(relatedTarget) {
      if (this._isShown) {
        return;
      }

      const showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, {
        relatedTarget
      });

      if (showEvent.defaultPrevented) {
        return;
      }

      this._isShown = true;
      this._element.style.visibility = 'visible';

      this._backdrop.show();

      if (!this._config.scroll) {
        new ScrollBarHelper().hide();

        this._enforceFocusOnElement(this._element);
      }

      this._element.removeAttribute('aria-hidden');

      this._element.setAttribute('aria-modal', true);

      this._element.setAttribute('role', 'dialog');

      this._element.classList.add(CLASS_NAME_SHOW);

      const completeCallBack = () => {
        EventHandler__default['default'].trigger(this._element, EVENT_SHOWN, {
          relatedTarget
        });
      };

      this._queueCallback(completeCallBack, this._element, true);
    }

    hide() {
      if (!this._isShown) {
        return;
      }

      const hideEvent = EventHandler__default['default'].trigger(this._element, EVENT_HIDE);

      if (hideEvent.defaultPrevented) {
        return;
      }

      EventHandler__default['default'].off(document, EVENT_FOCUSIN);

      this._element.blur();

      this._isShown = false;

      this._element.classList.remove(CLASS_NAME_SHOW);

      this._backdrop.hide();

      const completeCallback = () => {
        this._element.setAttribute('aria-hidden', true);

        this._element.removeAttribute('aria-modal');

        this._element.removeAttribute('role');

        this._element.style.visibility = 'hidden';

        if (!this._config.scroll) {
          new ScrollBarHelper().reset();
        }

        EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN);
      };

      this._queueCallback(completeCallback, this._element, true);
    }

    dispose() {
      this._backdrop.dispose();

      super.dispose();
      EventHandler__default['default'].off(document, EVENT_FOCUSIN);
    } // Private


    _getConfig(config) {
      config = { ...Default,
        ...Manipulator__default['default'].getDataAttributes(this._element),
        ...(typeof config === 'object' ? config : {})
      };
      typeCheckConfig(NAME, config, DefaultType);
      return config;
    }

    _initializeBackDrop() {
      return new Backdrop({
        isVisible: this._config.backdrop,
        isAnimated: true,
        rootElement: this._element.parentNode,
        clickCallback: () => this.hide()
      });
    }

    _enforceFocusOnElement(element) {
      EventHandler__default['default'].off(document, EVENT_FOCUSIN); // guard against infinite focus loop

      EventHandler__default['default'].on(document, EVENT_FOCUSIN, event => {
        if (document !== event.target && element !== event.target && !element.contains(event.target)) {
          element.focus();
        }
      });
      element.focus();
    }

    _addEventListeners() {
      EventHandler__default['default'].on(this._element, EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide());
      EventHandler__default['default'].on(this._element, EVENT_KEYDOWN_DISMISS, event => {
        if (this._config.keyboard && event.key === ESCAPE_KEY) {
          this.hide();
        }
      });
    } // Static


    static jQueryInterface(config) {
      return this.each(function () {
        const data = Offcanvas.getOrCreateInstance(this, config);

        if (typeof config !== 'string') {
          return;
        }

        if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
          throw new TypeError(`No method named "${config}"`);
        }

        data[config](this);
      });
    }

  }
  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */


  EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
    const target = getElementFromSelector(this);

    if (['A', 'AREA'].includes(this.tagName)) {
      event.preventDefault();
    }

    if (isDisabled(this)) {
      return;
    }

    EventHandler__default['default'].one(target, EVENT_HIDDEN, () => {
      // focus on trigger when it is closed
      if (isVisible(this)) {
        this.focus();
      }
    }); // avoid conflict when clicking a toggler of an offcanvas, while another is open

    const allReadyOpen = SelectorEngine__default['default'].findOne(OPEN_SELECTOR);

    if (allReadyOpen && allReadyOpen !== target) {
      Offcanvas.getInstance(allReadyOpen).hide();
    }

    const data = Offcanvas.getOrCreateInstance(target);
    data.toggle(this);
  });
  EventHandler__default['default'].on(window, EVENT_LOAD_DATA_API, () => SelectorEngine__default['default'].find(OPEN_SELECTOR).forEach(el => Offcanvas.getOrCreateInstance(el).show()));
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  defineJQueryPlugin(Offcanvas);

  return Offcanvas;

})));
//# sourceMappingURL=offcanvas.js.map