twbs--bootstrap/js/dist/modal.js

/*!
  * Bootstrap modal.js v5.0.0-beta3 (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/data.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./base-component.js')) :
  typeof define === 'function' && define.amd ? define(['./dom/data', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './base-component'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Modal = factory(global.Data, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Base));
}(this, (function (Data, EventHandler, Manipulator, SelectorEngine, BaseComponent) { 'use strict';

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

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

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-beta3): util/index.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  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 => (obj[0] || obj).nodeType;

  const emulateTransitionEnd = (element, duration) => {
    let called = false;
    const durationPadding = 5;
    const emulatedDuration = duration + durationPadding;

    function listener() {
      called = true;
      element.removeEventListener(TRANSITION_END, listener);
    }

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

  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 (!element) {
      return false;
    }

    if (element.style && element.parentNode && element.parentNode.style) {
      const elementStyle = getComputedStyle(element);
      const parentNodeStyle = getComputedStyle(element.parentNode);
      return elementStyle.display !== 'none' && parentNodeStyle.display !== 'none' && elementStyle.visibility !== 'hidden';
    }

    return 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 onDOMContentLoaded = callback => {
    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', callback);
    } else {
      callback();
    }
  };

  const isRTL = () => document.documentElement.dir === 'rtl';

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

      if ($) {
        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;
        };
      }
    });
  };

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.0.0-beta3): modal.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const NAME = 'modal';
  const DATA_KEY = 'bs.modal';
  const EVENT_KEY = `.${DATA_KEY}`;
  const DATA_API_KEY = '.data-api';
  const ESCAPE_KEY = 'Escape';
  const Default = {
    backdrop: true,
    keyboard: true,
    focus: true
  };
  const DefaultType = {
    backdrop: '(boolean|string)',
    keyboard: 'boolean',
    focus: 'boolean'
  };
  const EVENT_HIDE = `hide${EVENT_KEY}`;
  const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`;
  const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
  const EVENT_SHOW = `show${EVENT_KEY}`;
  const EVENT_SHOWN = `shown${EVENT_KEY}`;
  const EVENT_FOCUSIN = `focusin${EVENT_KEY}`;
  const EVENT_RESIZE = `resize${EVENT_KEY}`;
  const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`;
  const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
  const EVENT_MOUSEUP_DISMISS = `mouseup.dismiss${EVENT_KEY}`;
  const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`;
  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
  const CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure';
  const CLASS_NAME_BACKDROP = 'modal-backdrop';
  const CLASS_NAME_OPEN = 'modal-open';
  const CLASS_NAME_FADE = 'fade';
  const CLASS_NAME_SHOW = 'show';
  const CLASS_NAME_STATIC = 'modal-static';
  const SELECTOR_DIALOG = '.modal-dialog';
  const SELECTOR_MODAL_BODY = '.modal-body';
  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="modal"]';
  const SELECTOR_DATA_DISMISS = '[data-bs-dismiss="modal"]';
  const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
  const SELECTOR_STICKY_CONTENT = '.sticky-top';
  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  class Modal extends BaseComponent__default['default'] {
    constructor(element, config) {
      super(element);
      this._config = this._getConfig(config);
      this._dialog = SelectorEngine__default['default'].findOne(SELECTOR_DIALOG, this._element);
      this._backdrop = null;
      this._isShown = false;
      this._isBodyOverflowing = false;
      this._ignoreBackdropClick = false;
      this._isTransitioning = false;
      this._scrollbarWidth = 0;
    } // Getters


    static get Default() {
      return Default;
    }

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


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

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

      if (this._isAnimated()) {
        this._isTransitioning = true;
      }

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

      if (this._isShown || showEvent.defaultPrevented) {
        return;
      }

      this._isShown = true;

      this._checkScrollbar();

      this._setScrollbar();

      this._adjustDialog();

      this._setEscapeEvent();

      this._setResizeEvent();

      EventHandler__default['default'].on(this._element, EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, event => this.hide(event));
      EventHandler__default['default'].on(this._dialog, EVENT_MOUSEDOWN_DISMISS, () => {
        EventHandler__default['default'].one(this._element, EVENT_MOUSEUP_DISMISS, event => {
          if (event.target === this._element) {
            this._ignoreBackdropClick = true;
          }
        });
      });

      this._showBackdrop(() => this._showElement(relatedTarget));
    }

    hide(event) {
      if (event) {
        event.preventDefault();
      }

      if (!this._isShown || this._isTransitioning) {
        return;
      }

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

      if (hideEvent.defaultPrevented) {
        return;
      }

      this._isShown = false;

      const isAnimated = this._isAnimated();

      if (isAnimated) {
        this._isTransitioning = true;
      }

      this._setEscapeEvent();

      this._setResizeEvent();

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

      this._element.classList.remove(CLASS_NAME_SHOW);

      EventHandler__default['default'].off(this._element, EVENT_CLICK_DISMISS);
      EventHandler__default['default'].off(this._dialog, EVENT_MOUSEDOWN_DISMISS);

      if (isAnimated) {
        const transitionDuration = getTransitionDurationFromElement(this._element);
        EventHandler__default['default'].one(this._element, 'transitionend', event => this._hideModal(event));
        emulateTransitionEnd(this._element, transitionDuration);
      } else {
        this._hideModal();
      }
    }

    dispose() {
      [window, this._element, this._dialog].forEach(htmlElement => EventHandler__default['default'].off(htmlElement, EVENT_KEY));
      super.dispose();
      /**
       * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
       * Do not move `document` in `htmlElements` array
       * It will remove `EVENT_CLICK_DATA_API` event that should remain
       */

      EventHandler__default['default'].off(document, EVENT_FOCUSIN);
      this._config = null;
      this._dialog = null;
      this._backdrop = null;
      this._isShown = null;
      this._isBodyOverflowing = null;
      this._ignoreBackdropClick = null;
      this._isTransitioning = null;
      this._scrollbarWidth = null;
    }

    handleUpdate() {
      this._adjustDialog();
    } // Private


    _getConfig(config) {
      config = { ...Default,
        ...config
      };
      typeCheckConfig(NAME, config, DefaultType);
      return config;
    }

    _showElement(relatedTarget) {
      const isAnimated = this._isAnimated();

      const modalBody = SelectorEngine__default['default'].findOne(SELECTOR_MODAL_BODY, this._dialog);

      if (!this._element.parentNode || this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
        // Don't move modal's DOM position
        document.body.appendChild(this._element);
      }

      this._element.style.display = 'block';

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

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

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

      this._element.scrollTop = 0;

      if (modalBody) {
        modalBody.scrollTop = 0;
      }

      if (isAnimated) {
        reflow(this._element);
      }

      this._element.classList.add(CLASS_NAME_SHOW);

      if (this._config.focus) {
        this._enforceFocus();
      }

      const transitionComplete = () => {
        if (this._config.focus) {
          this._element.focus();
        }

        this._isTransitioning = false;
        EventHandler__default['default'].trigger(this._element, EVENT_SHOWN, {
          relatedTarget
        });
      };

      if (isAnimated) {
        const transitionDuration = getTransitionDurationFromElement(this._dialog);
        EventHandler__default['default'].one(this._dialog, 'transitionend', transitionComplete);
        emulateTransitionEnd(this._dialog, transitionDuration);
      } else {
        transitionComplete();
      }
    }

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

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

    _setEscapeEvent() {
      if (this._isShown) {
        EventHandler__default['default'].on(this._element, EVENT_KEYDOWN_DISMISS, event => {
          if (this._config.keyboard && event.key === ESCAPE_KEY) {
            event.preventDefault();
            this.hide();
          } else if (!this._config.keyboard && event.key === ESCAPE_KEY) {
            this._triggerBackdropTransition();
          }
        });
      } else {
        EventHandler__default['default'].off(this._element, EVENT_KEYDOWN_DISMISS);
      }
    }

    _setResizeEvent() {
      if (this._isShown) {
        EventHandler__default['default'].on(window, EVENT_RESIZE, () => this._adjustDialog());
      } else {
        EventHandler__default['default'].off(window, EVENT_RESIZE);
      }
    }

    _hideModal() {
      this._element.style.display = 'none';

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

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

      this._element.removeAttribute('role');

      this._isTransitioning = false;

      this._showBackdrop(() => {
        document.body.classList.remove(CLASS_NAME_OPEN);

        this._resetAdjustments();

        this._resetScrollbar();

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

    _removeBackdrop() {
      this._backdrop.parentNode.removeChild(this._backdrop);

      this._backdrop = null;
    }

    _showBackdrop(callback) {
      const isAnimated = this._isAnimated();

      if (this._isShown && this._config.backdrop) {
        this._backdrop = document.createElement('div');
        this._backdrop.className = CLASS_NAME_BACKDROP;

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

        document.body.appendChild(this._backdrop);
        EventHandler__default['default'].on(this._element, EVENT_CLICK_DISMISS, event => {
          if (this._ignoreBackdropClick) {
            this._ignoreBackdropClick = false;
            return;
          }

          if (event.target !== event.currentTarget) {
            return;
          }

          if (this._config.backdrop === 'static') {
            this._triggerBackdropTransition();
          } else {
            this.hide();
          }
        });

        if (isAnimated) {
          reflow(this._backdrop);
        }

        this._backdrop.classList.add(CLASS_NAME_SHOW);

        if (!isAnimated) {
          callback();
          return;
        }

        const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop);
        EventHandler__default['default'].one(this._backdrop, 'transitionend', callback);
        emulateTransitionEnd(this._backdrop, backdropTransitionDuration);
      } else if (!this._isShown && this._backdrop) {
        this._backdrop.classList.remove(CLASS_NAME_SHOW);

        const callbackRemove = () => {
          this._removeBackdrop();

          callback();
        };

        if (isAnimated) {
          const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop);
          EventHandler__default['default'].one(this._backdrop, 'transitionend', callbackRemove);
          emulateTransitionEnd(this._backdrop, backdropTransitionDuration);
        } else {
          callbackRemove();
        }
      } else {
        callback();
      }
    }

    _isAnimated() {
      return this._element.classList.contains(CLASS_NAME_FADE);
    }

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

      if (hideEvent.defaultPrevented) {
        return;
      }

      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

      if (!isModalOverflowing) {
        this._element.style.overflowY = 'hidden';
      }

      this._element.classList.add(CLASS_NAME_STATIC);

      const modalTransitionDuration = getTransitionDurationFromElement(this._dialog);
      EventHandler__default['default'].off(this._element, 'transitionend');
      EventHandler__default['default'].one(this._element, 'transitionend', () => {
        this._element.classList.remove(CLASS_NAME_STATIC);

        if (!isModalOverflowing) {
          EventHandler__default['default'].one(this._element, 'transitionend', () => {
            this._element.style.overflowY = '';
          });
          emulateTransitionEnd(this._element, modalTransitionDuration);
        }
      });
      emulateTransitionEnd(this._element, modalTransitionDuration);

      this._element.focus();
    } // ----------------------------------------------------------------------
    // the following methods are used to handle overflowing modals
    // ----------------------------------------------------------------------


    _adjustDialog() {
      const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;

      if (!this._isBodyOverflowing && isModalOverflowing && !isRTL() || this._isBodyOverflowing && !isModalOverflowing && isRTL()) {
        this._element.style.paddingLeft = `${this._scrollbarWidth}px`;
      }

      if (this._isBodyOverflowing && !isModalOverflowing && !isRTL() || !this._isBodyOverflowing && isModalOverflowing && isRTL()) {
        this._element.style.paddingRight = `${this._scrollbarWidth}px`;
      }
    }

    _resetAdjustments() {
      this._element.style.paddingLeft = '';
      this._element.style.paddingRight = '';
    }

    _checkScrollbar() {
      const rect = document.body.getBoundingClientRect();
      this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth;
      this._scrollbarWidth = this._getScrollbarWidth();
    }

    _setScrollbar() {
      if (this._isBodyOverflowing) {
        this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + this._scrollbarWidth);

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

        this._setElementAttributes('body', 'paddingRight', calculatedValue => calculatedValue + this._scrollbarWidth);
      }

      document.body.classList.add(CLASS_NAME_OPEN);
    }

    _setElementAttributes(selector, styleProp, callback) {
      SelectorEngine__default['default'].find(selector).forEach(element => {
        if (element !== document.body && window.innerWidth > element.clientWidth + this._scrollbarWidth) {
          return;
        }

        const actualValue = element.style[styleProp];
        const calculatedValue = window.getComputedStyle(element)[styleProp];
        Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
        element.style[styleProp] = callback(Number.parseFloat(calculatedValue)) + 'px';
      });
    }

    _resetScrollbar() {
      this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');

      this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');

      this._resetElementAttributes('body', 'paddingRight');
    }

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

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

    _getScrollbarWidth() {
      // thx d.walsh
      const scrollDiv = document.createElement('div');
      scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER;
      document.body.appendChild(scrollDiv);
      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
      document.body.removeChild(scrollDiv);
      return scrollbarWidth;
    } // Static


    static jQueryInterface(config, relatedTarget) {
      return this.each(function () {
        let data = Data__default['default'].get(this, DATA_KEY);
        const _config = { ...Default,
          ...Manipulator__default['default'].getDataAttributes(this),
          ...(typeof config === 'object' && config ? config : {})
        };

        if (!data) {
          data = new Modal(this, _config);
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new TypeError(`No method named "${config}"`);
          }

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

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


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

    if (this.tagName === 'A' || this.tagName === 'AREA') {
      event.preventDefault();
    }

    EventHandler__default['default'].one(target, EVENT_SHOW, showEvent => {
      if (showEvent.defaultPrevented) {
        // only register focus restorer if modal will actually get shown
        return;
      }

      EventHandler__default['default'].one(target, EVENT_HIDDEN, () => {
        if (isVisible(this)) {
          this.focus();
        }
      });
    });
    let data = Data__default['default'].get(target, DATA_KEY);

    if (!data) {
      const config = { ...Manipulator__default['default'].getDataAttributes(target),
        ...Manipulator__default['default'].getDataAttributes(this)
      };
      data = new Modal(target, config);
    }

    data.toggle(this);
  });
  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   * add .Modal to jQuery only if jQuery is present
   */

  defineJQueryPlugin(NAME, Modal);

  return Modal;

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