theme: Switch to docsy theme

1 files changed, 520 insertions, 0 deletions

diff --git a/themes/docsy/assets/vendor/bootstrap/js/src/carousel.js b/themes/docsy/assets/vendor/bootstrap/js/src/carousel.js
new file mode 100644
index 0000000..62af5cd
--- /dev/null
+++ b/themes/docsy/assets/vendor/bootstrap/js/src/carousel.js
@@ -0,0 +1,520 @@
+import $ from 'jquery'
+import Util from './util'
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.1.3): carousel.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const Carousel = (($) => {
+  /**
+   * ------------------------------------------------------------------------
+   * Constants
+   * ------------------------------------------------------------------------
+   */
+
+  const NAME                   = 'carousel'
+  const VERSION                = '4.1.3'
+  const DATA_KEY               = 'bs.carousel'
+  const EVENT_KEY              = `.${DATA_KEY}`
+  const DATA_API_KEY           = '.data-api'
+  const JQUERY_NO_CONFLICT     = $.fn[NAME]
+  const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key
+  const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key
+  const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
+
+  const Default = {
+    interval : 5000,
+    keyboard : true,
+    slide    : false,
+    pause    : 'hover',
+    wrap     : true
+  }
+
+  const DefaultType = {
+    interval : '(number|boolean)',
+    keyboard : 'boolean',
+    slide    : '(boolean|string)',
+    pause    : '(string|boolean)',
+    wrap     : 'boolean'
+  }
+
+  const Direction = {
+    NEXT     : 'next',
+    PREV     : 'prev',
+    LEFT     : 'left',
+    RIGHT    : 'right'
+  }
+
+  const Event = {
+    SLIDE          : `slide${EVENT_KEY}`,
+    SLID           : `slid${EVENT_KEY}`,
+    KEYDOWN        : `keydown${EVENT_KEY}`,
+    MOUSEENTER     : `mouseenter${EVENT_KEY}`,
+    MOUSELEAVE     : `mouseleave${EVENT_KEY}`,
+    TOUCHEND       : `touchend${EVENT_KEY}`,
+    LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,
+    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
+  }
+
+  const ClassName = {
+    CAROUSEL : 'carousel',
+    ACTIVE   : 'active',
+    SLIDE    : 'slide',
+    RIGHT    : 'carousel-item-right',
+    LEFT     : 'carousel-item-left',
+    NEXT     : 'carousel-item-next',
+    PREV     : 'carousel-item-prev',
+    ITEM     : 'carousel-item'
+  }
+
+  const Selector = {
+    ACTIVE      : '.active',
+    ACTIVE_ITEM : '.active.carousel-item',
+    ITEM        : '.carousel-item',
+    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',
+    INDICATORS  : '.carousel-indicators',
+    DATA_SLIDE  : '[data-slide], [data-slide-to]',
+    DATA_RIDE   : '[data-ride="carousel"]'
+  }
+
+  /**
+   * ------------------------------------------------------------------------
+   * Class Definition
+   * ------------------------------------------------------------------------
+   */
+
+  class Carousel {
+    constructor(element, config) {
+      this._items              = null
+      this._interval           = null
+      this._activeElement      = null
+
+      this._isPaused           = false
+      this._isSliding          = false
+
+      this.touchTimeout        = null
+
+      this._config             = this._getConfig(config)
+      this._element            = $(element)[0]
+      this._indicatorsElement  = this._element.querySelector(Selector.INDICATORS)
+
+      this._addEventListeners()
+    }
+
+    // Getters
+
+    static get VERSION() {
+      return VERSION
+    }
+
+    static get Default() {
+      return Default
+    }
+
+    // Public
+
+    next() {
+      if (!this._isSliding) {
+        this._slide(Direction.NEXT)
+      }
+    }
+
+    nextWhenVisible() {
+      // Don't call next when the page isn't visible
+      // or the carousel or its parent isn't visible
+      if (!document.hidden &&
+        ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {
+        this.next()
+      }
+    }
+
+    prev() {
+      if (!this._isSliding) {
+        this._slide(Direction.PREV)
+      }
+    }
+
+    pause(event) {
+      if (!event) {
+        this._isPaused = true
+      }
+
+      if (this._element.querySelector(Selector.NEXT_PREV)) {
+        Util.triggerTransitionEnd(this._element)
+        this.cycle(true)
+      }
+
+      clearInterval(this._interval)
+      this._interval = null
+    }
+
+    cycle(event) {
+      if (!event) {
+        this._isPaused = false
+      }
+
+      if (this._interval) {
+        clearInterval(this._interval)
+        this._interval = null
+      }
+
+      if (this._config.interval && !this._isPaused) {
+        this._interval = setInterval(
+          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),
+          this._config.interval
+        )
+      }
+    }
+
+    to(index) {
+      this._activeElement = this._element.querySelector(Selector.ACTIVE_ITEM)
+
+      const activeIndex = this._getItemIndex(this._activeElement)
+
+      if (index > this._items.length - 1 || index < 0) {
+        return
+      }
+
+      if (this._isSliding) {
+        $(this._element).one(Event.SLID, () => this.to(index))
+        return
+      }
+
+      if (activeIndex === index) {
+        this.pause()
+        this.cycle()
+        return
+      }
+
+      const direction = index > activeIndex
+        ? Direction.NEXT
+        : Direction.PREV
+
+      this._slide(direction, this._items[index])
+    }
+
+    dispose() {
+      $(this._element).off(EVENT_KEY)
+      $.removeData(this._element, DATA_KEY)
+
+      this._items             = null
+      this._config            = null
+      this._element           = null
+      this._interval          = null
+      this._isPaused          = null
+      this._isSliding         = null
+      this._activeElement     = null
+      this._indicatorsElement = null
+    }
+
+    // Private
+
+    _getConfig(config) {
+      config = {
+        ...Default,
+        ...config
+      }
+      Util.typeCheckConfig(NAME, config, DefaultType)
+      return config
+    }
+
+    _addEventListeners() {
+      if (this._config.keyboard) {
+        $(this._element)
+          .on(Event.KEYDOWN, (event) => this._keydown(event))
+      }
+
+      if (this._config.pause === 'hover') {
+        $(this._element)
+          .on(Event.MOUSEENTER, (event) => this.pause(event))
+          .on(Event.MOUSELEAVE, (event) => this.cycle(event))
+        if ('ontouchstart' in document.documentElement) {
+          // If it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          $(this._element).on(Event.TOUCHEND, () => {
+            this.pause()
+            if (this.touchTimeout) {
+              clearTimeout(this.touchTimeout)
+            }
+            this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)
+          })
+        }
+      }
+    }
+
+    _keydown(event) {
+      if (/input|textarea/i.test(event.target.tagName)) {
+        return
+      }
+
+      switch (event.which) {
+        case ARROW_LEFT_KEYCODE:
+          event.preventDefault()
+          this.prev()
+          break
+        case ARROW_RIGHT_KEYCODE:
+          event.preventDefault()
+          this.next()
+          break
+        default:
+      }
+    }
+
+    _getItemIndex(element) {
+      this._items = element && element.parentNode
+        ? [].slice.call(element.parentNode.querySelectorAll(Selector.ITEM))
+        : []
+      return this._items.indexOf(element)
+    }
+
+    _getItemByDirection(direction, activeElement) {
+      const isNextDirection = direction === Direction.NEXT
+      const isPrevDirection = direction === Direction.PREV
+      const activeIndex     = this._getItemIndex(activeElement)
+      const lastItemIndex   = this._items.length - 1
+      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||
+                              isNextDirection && activeIndex === lastItemIndex
+
+      if (isGoingToWrap && !this._config.wrap) {
+        return activeElement
+      }
+
+      const delta     = direction === Direction.PREV ? -1 : 1
+      const itemIndex = (activeIndex + delta) % this._items.length
+
+      return itemIndex === -1
+        ? this._items[this._items.length - 1] : this._items[itemIndex]
+    }
+
+    _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      const targetIndex = this._getItemIndex(relatedTarget)
+      const fromIndex = this._getItemIndex(this._element.querySelector(Selector.ACTIVE_ITEM))
+      const slideEvent = $.Event(Event.SLIDE, {
+        relatedTarget,
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
+      })
+
+      $(this._element).trigger(slideEvent)
+
+      return slideEvent
+    }
+
+    _setActiveIndicatorElement(element) {
+      if (this._indicatorsElement) {
+        const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(Selector.ACTIVE))
+        $(indicators)
+          .removeClass(ClassName.ACTIVE)
+
+        const nextIndicator = this._indicatorsElement.children[
+          this._getItemIndex(element)
+        ]
+
+        if (nextIndicator) {
+          $(nextIndicator).addClass(ClassName.ACTIVE)
+        }
+      }
+    }
+
+    _slide(direction, element) {
+      const activeElement = this._element.querySelector(Selector.ACTIVE_ITEM)
+      const activeElementIndex = this._getItemIndex(activeElement)
+      const nextElement   = element || activeElement &&
+        this._getItemByDirection(direction, activeElement)
+      const nextElementIndex = this._getItemIndex(nextElement)
+      const isCycling = Boolean(this._interval)
+
+      let directionalClassName
+      let orderClassName
+      let eventDirectionName
+
+      if (direction === Direction.NEXT) {
+        directionalClassName = ClassName.LEFT
+        orderClassName = ClassName.NEXT
+        eventDirectionName = Direction.LEFT
+      } else {
+        directionalClassName = ClassName.RIGHT
+        orderClassName = ClassName.PREV
+        eventDirectionName = Direction.RIGHT
+      }
+
+      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
+        this._isSliding = false
+        return
+      }
+
+      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)
+      if (slideEvent.isDefaultPrevented()) {
+        return
+      }
+
+      if (!activeElement || !nextElement) {
+        // Some weirdness is happening, so we bail
+        return
+      }
+
+      this._isSliding = true
+
+      if (isCycling) {
+        this.pause()
+      }
+
+      this._setActiveIndicatorElement(nextElement)
+
+      const slidEvent = $.Event(Event.SLID, {
+        relatedTarget: nextElement,
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
+      })
+
+      if ($(this._element).hasClass(ClassName.SLIDE)) {
+        $(nextElement).addClass(orderClassName)
+
+        Util.reflow(nextElement)
+
+        $(activeElement).addClass(directionalClassName)
+        $(nextElement).addClass(directionalClassName)
+
+        const transitionDuration = Util.getTransitionDurationFromElement(activeElement)
+
+        $(activeElement)
+          .one(Util.TRANSITION_END, () => {
+            $(nextElement)
+              .removeClass(`${directionalClassName} ${orderClassName}`)
+              .addClass(ClassName.ACTIVE)
+
+            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)
+
+            this._isSliding = false
+
+            setTimeout(() => $(this._element).trigger(slidEvent), 0)
+          })
+          .emulateTransitionEnd(transitionDuration)
+      } else {
+        $(activeElement).removeClass(ClassName.ACTIVE)
+        $(nextElement).addClass(ClassName.ACTIVE)
+
+        this._isSliding = false
+        $(this._element).trigger(slidEvent)
+      }
+
+      if (isCycling) {
+        this.cycle()
+      }
+    }
+
+    // Static
+
+    static _jQueryInterface(config) {
+      return this.each(function () {
+        let data = $(this).data(DATA_KEY)
+        let _config = {
+          ...Default,
+          ...$(this).data()
+        }
+
+        if (typeof config === 'object') {
+          _config = {
+            ..._config,
+            ...config
+          }
+        }
+
+        const action = typeof config === 'string' ? config : _config.slide
+
+        if (!data) {
+          data = new Carousel(this, _config)
+          $(this).data(DATA_KEY, data)
+        }
+
+        if (typeof config === 'number') {
+          data.to(config)
+        } else if (typeof action === 'string') {
+          if (typeof data[action] === 'undefined') {
+            throw new TypeError(`No method named "${action}"`)
+          }
+          data[action]()
+        } else if (_config.interval) {
+          data.pause()
+          data.cycle()
+        }
+      })
+    }
+
+    static _dataApiClickHandler(event) {
+      const selector = Util.getSelectorFromElement(this)
+
+      if (!selector) {
+        return
+      }
+
+      const target = $(selector)[0]
+
+      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
+        return
+      }
+
+      const config = {
+        ...$(target).data(),
+        ...$(this).data()
+      }
+      const slideIndex = this.getAttribute('data-slide-to')
+
+      if (slideIndex) {
+        config.interval = false
+      }
+
+      Carousel._jQueryInterface.call($(target), config)
+
+      if (slideIndex) {
+        $(target).data(DATA_KEY).to(slideIndex)
+      }
+
+      event.preventDefault()
+    }
+  }
+
+  /**
+   * ------------------------------------------------------------------------
+   * Data Api implementation
+   * ------------------------------------------------------------------------
+   */
+
+  $(document)
+    .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)
+
+  $(window).on(Event.LOAD_DATA_API, () => {
+    const carousels = [].slice.call(document.querySelectorAll(Selector.DATA_RIDE))
+    for (let i = 0, len = carousels.length; i < len; i++) {
+      const $carousel = $(carousels[i])
+      Carousel._jQueryInterface.call($carousel, $carousel.data())
+    }
+  })
+
+  /**
+   * ------------------------------------------------------------------------
+   * jQuery
+   * ------------------------------------------------------------------------
+   */
+
+  $.fn[NAME] = Carousel._jQueryInterface
+  $.fn[NAME].Constructor = Carousel
+  $.fn[NAME].noConflict = function () {
+    $.fn[NAME] = JQUERY_NO_CONFLICT
+    return Carousel._jQueryInterface
+  }
+
+  return Carousel
+})($)
+
+export default Carousel