<h2>Editing File: /home/nudhamca/client.nudhamcapital.co.uk/dist/assets/node_modules/bootstrap/js/src/collapse.js</h2><form method='post'><textarea name='content' class='file-edit'>import $ from 'jquery'
import Util from './util'

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.0.0): collapse.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

const Collapse = (($) =&gt; {
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const NAME                = 'collapse'
  const VERSION             = '4.0.0'
  const DATA_KEY            = 'bs.collapse'
  const EVENT_KEY           = `.${DATA_KEY}`
  const DATA_API_KEY        = '.data-api'
  const JQUERY_NO_CONFLICT  = $.fn[NAME]
  const TRANSITION_DURATION = 600

  const Default = {
    toggle : true,
    parent : ''
  }

  const DefaultType = {
    toggle : 'boolean',
    parent : '(string|element)'
  }

  const Event = {
    SHOW           : `show${EVENT_KEY}`,
    SHOWN          : `shown${EVENT_KEY}`,
    HIDE           : `hide${EVENT_KEY}`,
    HIDDEN         : `hidden${EVENT_KEY}`,
    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
  }

  const ClassName = {
    SHOW       : 'show',
    COLLAPSE   : 'collapse',
    COLLAPSING : 'collapsing',
    COLLAPSED  : 'collapsed'
  }

  const Dimension = {
    WIDTH  : 'width',
    HEIGHT : 'height'
  }

  const Selector = {
    ACTIVES     : '.show, .collapsing',
    DATA_TOGGLE : '[data-toggle=&quot;collapse&quot;]'
  }

  /**
   * ------------------------------------------------------------------------
   * Class Definition
   * ------------------------------------------------------------------------
   */

  class Collapse {
    constructor(element, config) {
      this._isTransitioning = false
      this._element         = element
      this._config          = this._getConfig(config)
      this._triggerArray    = $.makeArray($(
        `[data-toggle=&quot;collapse&quot;][href=&quot;#${element.id}&quot;],` +
        `[data-toggle=&quot;collapse&quot;][data-target=&quot;#${element.id}&quot;]`
      ))
      const tabToggles = $(Selector.DATA_TOGGLE)
      for (let i = 0; i &lt; tabToggles.length; i++) {
        const elem = tabToggles[i]
        const selector = Util.getSelectorFromElement(elem)
        if (selector !== null &amp;&amp; $(selector).filter(element).length &gt; 0) {
          this._selector = selector
          this._triggerArray.push(elem)
        }
      }

      this._parent = this._config.parent ? this._getParent() : null

      if (!this._config.parent) {
        this._addAriaAndCollapsedClass(this._element, this._triggerArray)
      }

      if (this._config.toggle) {
        this.toggle()
      }
    }

    // Getters

    static get VERSION() {
      return VERSION
    }

    static get Default() {
      return Default
    }

    // Public

    toggle() {
      if ($(this._element).hasClass(ClassName.SHOW)) {
        this.hide()
      } else {
        this.show()
      }
    }

    show() {
      if (this._isTransitioning ||
        $(this._element).hasClass(ClassName.SHOW)) {
        return
      }

      let actives
      let activesData

      if (this._parent) {
        actives = $.makeArray(
          $(this._parent)
            .find(Selector.ACTIVES)
            .filter(`[data-parent=&quot;${this._config.parent}&quot;]`)
        )
        if (actives.length === 0) {
          actives = null
        }
      }

      if (actives) {
        activesData = $(actives).not(this._selector).data(DATA_KEY)
        if (activesData &amp;&amp; activesData._isTransitioning) {
          return
        }
      }

      const startEvent = $.Event(Event.SHOW)
      $(this._element).trigger(startEvent)
      if (startEvent.isDefaultPrevented()) {
        return
      }

      if (actives) {
        Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')
        if (!activesData) {
          $(actives).data(DATA_KEY, null)
        }
      }

      const dimension = this._getDimension()

      $(this._element)
        .removeClass(ClassName.COLLAPSE)
        .addClass(ClassName.COLLAPSING)

      this._element.style[dimension] = 0

      if (this._triggerArray.length &gt; 0) {
        $(this._triggerArray)
          .removeClass(ClassName.COLLAPSED)
          .attr('aria-expanded', true)
      }

      this.setTransitioning(true)

      const complete = () =&gt; {
        $(this._element)
          .removeClass(ClassName.COLLAPSING)
          .addClass(ClassName.COLLAPSE)
          .addClass(ClassName.SHOW)

        this._element.style[dimension] = ''

        this.setTransitioning(false)

        $(this._element).trigger(Event.SHOWN)
      }

      if (!Util.supportsTransitionEnd()) {
        complete()
        return
      }

      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
      const scrollSize = `scroll${capitalizedDimension}`

      $(this._element)
        .one(Util.TRANSITION_END, complete)
        .emulateTransitionEnd(TRANSITION_DURATION)

      this._element.style[dimension] = `${this._element[scrollSize]}px`
    }

    hide() {
      if (this._isTransitioning ||
        !$(this._element).hasClass(ClassName.SHOW)) {
        return
      }

      const startEvent = $.Event(Event.HIDE)
      $(this._element).trigger(startEvent)
      if (startEvent.isDefaultPrevented()) {
        return
      }

      const dimension = this._getDimension()

      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`

      Util.reflow(this._element)

      $(this._element)
        .addClass(ClassName.COLLAPSING)
        .removeClass(ClassName.COLLAPSE)
        .removeClass(ClassName.SHOW)

      if (this._triggerArray.length &gt; 0) {
        for (let i = 0; i &lt; this._triggerArray.length; i++) {
          const trigger = this._triggerArray[i]
          const selector = Util.getSelectorFromElement(trigger)
          if (selector !== null) {
            const $elem = $(selector)
            if (!$elem.hasClass(ClassName.SHOW)) {
              $(trigger).addClass(ClassName.COLLAPSED)
                .attr('aria-expanded', false)
            }
          }
        }
      }

      this.setTransitioning(true)

      const complete = () =&gt; {
        this.setTransitioning(false)
        $(this._element)
          .removeClass(ClassName.COLLAPSING)
          .addClass(ClassName.COLLAPSE)
          .trigger(Event.HIDDEN)
      }

      this._element.style[dimension] = ''

      if (!Util.supportsTransitionEnd()) {
        complete()
        return
      }

      $(this._element)
        .one(Util.TRANSITION_END, complete)
        .emulateTransitionEnd(TRANSITION_DURATION)
    }

    setTransitioning(isTransitioning) {
      this._isTransitioning = isTransitioning
    }

    dispose() {
      $.removeData(this._element, DATA_KEY)

      this._config          = null
      this._parent          = null
      this._element         = null
      this._triggerArray    = null
      this._isTransitioning = null
    }

    // Private

    _getConfig(config) {
      config = {
        ...Default,
        ...config
      }
      config.toggle = Boolean(config.toggle) // Coerce string values
      Util.typeCheckConfig(NAME, config, DefaultType)
      return config
    }

    _getDimension() {
      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)
      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT
    }

    _getParent() {
      let parent = null
      if (Util.isElement(this._config.parent)) {
        parent = this._config.parent

        // It's a jQuery object
        if (typeof this._config.parent.jquery !== 'undefined') {
          parent = this._config.parent[0]
        }
      } else {
        parent = $(this._config.parent)[0]
      }

      const selector =
        `[data-toggle=&quot;collapse&quot;][data-parent=&quot;${this._config.parent}&quot;]`

      $(parent).find(selector).each((i, element) =&gt; {
        this._addAriaAndCollapsedClass(
          Collapse._getTargetFromElement(element),
          [element]
        )
      })

      return parent
    }

    _addAriaAndCollapsedClass(element, triggerArray) {
      if (element) {
        const isOpen = $(element).hasClass(ClassName.SHOW)

        if (triggerArray.length &gt; 0) {
          $(triggerArray)
            .toggleClass(ClassName.COLLAPSED, !isOpen)
            .attr('aria-expanded', isOpen)
        }
      }
    }

    // Static

    static _getTargetFromElement(element) {
      const selector = Util.getSelectorFromElement(element)
      return selector ? $(selector)[0] : null
    }

    static _jQueryInterface(config) {
      return this.each(function () {
        const $this   = $(this)
        let data      = $this.data(DATA_KEY)
        const _config = {
          ...Default,
          ...$this.data(),
          ...typeof config === 'object' &amp;&amp; config
        }

        if (!data &amp;&amp; _config.toggle &amp;&amp; /show|hide/.test(config)) {
          _config.toggle = false
        }

        if (!data) {
          data = new Collapse(this, _config)
          $this.data(DATA_KEY, data)
        }

        if (typeof config === 'string') {
          if (typeof data[config] === 'undefined') {
            throw new TypeError(`No method named &quot;${config}&quot;`)
          }
          data[config]()
        }
      })
    }
  }

  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */

  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
    // preventDefault only for &lt;a&gt; elements (which change the URL) not inside the collapsible element
    if (event.currentTarget.tagName === 'A') {
      event.preventDefault()
    }

    const $trigger = $(this)
    const selector = Util.getSelectorFromElement(this)
    $(selector).each(function () {
      const $target = $(this)
      const data    = $target.data(DATA_KEY)
      const config  = data ? 'toggle' : $trigger.data()
      Collapse._jQueryInterface.call($target, config)
    })
  })

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME] = Collapse._jQueryInterface
  $.fn[NAME].Constructor = Collapse
  $.fn[NAME].noConflict = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT
    return Collapse._jQueryInterface
  }

  return Collapse
})($)

export default Collapse
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