Bookdown updated

docs/libs/bs3compat-0.4.2/bs3compat.js

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+// Inform the world that we have the ability to use BS3 nav/navbar markup in BS4
+window.BS3_COMPAT = true;
+
+// This logic needs to execute after both the BS4+ (new) as well as BS3 (legacy)
+// jQuery plugins have been registered. For BS5, plugin registration happens
+// after DOM content is loaded, which is why we do the same here.
+// https://github.com/twbs/bootstrap/blob/08139c22/js/dist/tab.js#L87
+$(function() {
+
+  // The legacy plugin needs to be registered after the new one
+  if (!$.fn.tab.Constructor.VERSION.match(/^3\./)) {
+    (console.warn || console.error || console.log)("bs3compat.js couldn't find bs3 tab impl; bs3 tabs will not be properly supported");
+    return;
+  }
+  var legacyTabPlugin = $.fn.tab.noConflict();
+
+  if (!$.fn.tab || !$.fn.tab.Constructor || !$.fn.tab.noConflict) {
+    (console.warn || console.error || console.log)("bs3compat.js couldn't find a jQuery tab impl; bs3 tabs will not be properly supported");
+  }
+  var newTabPlugin = $.fn.tab.noConflict();
+
+  // Re-define the tab click event
+  // https://github.com/twbs/bootstrap/blob/08139c2/js/src/tab.js#L33
+  var EVENT_KEY = "click.bs.tab.data-api";
+  $(document).off(EVENT_KEY);
+
+  var SELECTOR = '[data-toggle="tab"], [data-toggle="pill"], [data-bs-toggle="tab"], [data-bs-toggle="pill"]';
+  $(document).on(EVENT_KEY, SELECTOR, function(event) {
+    event.preventDefault();
+    $(this).tab("show");
+  });
+
+  function TabPlugin(config) {
+    // Legacy (bs3) tabs: li.active > a
+    // New (bs4+) tabs: li.nav-item > a.active.nav-link
+    var legacy = $(this).closest(".nav").find("li:not(.dropdown).active > a").length > 0;
+    var plugin = legacy ? legacyTabPlugin : newTabPlugin;
+    plugin.call($(this), config);
+  }
+
+  var noconflict = $.fn.tab;
+  $.fn.tab = TabPlugin;
+  $.fn.tab.Constructor = newTabPlugin.Constructor;
+  $.fn.tab.noConflict = function() {
+    $.fn.tab = noconflict;
+    return TabPlugin;
+  };
+});

docs/libs/bs3compat-0.4.2/tabs.js

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+/* ========================================================================
+ * Bootstrap: tab.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#tabs
+ * ========================================================================
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * ======================================================================== */
+
+// Register tab plugin after DOM content loaded in order to
+// override BS5's plugin
+// https://github.com/twbs/bootstrap/blob/08139c22/js/dist/tab.js#L87
+$(function() {
+  'use strict';
+
+  // TAB CLASS DEFINITION
+  // ====================
+
+  var Tab = function (element) {
+    // jscs:disable requireDollarBeforejQueryAssignment
+    this.element = $(element)
+    // jscs:enable requireDollarBeforejQueryAssignment
+  }
+
+  Tab.VERSION = '3.4.1'
+
+  Tab.TRANSITION_DURATION = 150
+
+  Tab.prototype.show = function () {
+    var $this    = this.element
+    var $ul      = $this.closest('ul:not(.dropdown-menu)')
+    var selector = $this.data('target')
+
+    if (!selector) {
+      selector = $this.attr('href')
+      selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') // strip for ie7
+    }
+
+    if ($this.parent('li').hasClass('active')) return
+
+    var $previous = $ul.find('.active:last a')
+    var hideEvent = $.Event('hide.bs.tab', {
+      relatedTarget: $this[0]
+    })
+    var showEvent = $.Event('show.bs.tab', {
+      relatedTarget: $previous[0]
+    })
+
+    $previous.trigger(hideEvent)
+    $this.trigger(showEvent)
+
+    if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) return
+
+    var $target = $(document).find(selector)
+
+    this.activate($this.closest('li'), $ul)
+    this.activate($target, $target.parent(), function () {
+      $previous.trigger({
+        type: 'hidden.bs.tab',
+        relatedTarget: $this[0]
+      })
+      $this.trigger({
+        type: 'shown.bs.tab',
+        relatedTarget: $previous[0]
+      })
+    })
+  }
+
+  Tab.prototype.activate = function (element, container, callback) {
+    var $active    = container.find('> .active')
+    var transition = callback
+      && $.support.transition
+      && ($active.length && $active.hasClass('fade') || !!container.find('> .fade').length)
+
+    function next() {
+      $active
+        .removeClass('active')
+        .find('> .dropdown-menu > .active')
+        .removeClass('active')
+        .end()
+        .find('[data-toggle="tab"]')
+        .attr('aria-expanded', false)
+
+      element
+        .addClass('active')
+        .find('[data-toggle="tab"]')
+        .attr('aria-expanded', true)
+
+      if (transition) {
+        element[0].offsetWidth // reflow for transition
+        element.addClass('in')
+      } else {
+        element.removeClass('fade')
+      }
+
+      if (element.parent('.dropdown-menu').length) {
+        element
+          .closest('li.dropdown')
+          .addClass('active')
+          .end()
+          .find('[data-toggle="tab"]')
+          .attr('aria-expanded', true)
+      }
+
+      callback && callback()
+    }
+
+    $active.length && transition ?
+      $active
+        .one('bsTransitionEnd', next)
+        .emulateTransitionEnd(Tab.TRANSITION_DURATION) :
+      next()
+
+    $active.removeClass('in')
+  }
+
+
+  // TAB PLUGIN DEFINITION
+  // =====================
+
+  function Plugin(option) {
+    return this.each(function () {
+      var $this = $(this)
+      var data  = $this.data('bs.tab')
+
+      if (!data) $this.data('bs.tab', (data = new Tab(this)))
+      if (typeof option == 'string') data[option]()
+    })
+  }
+
+  var old = $.fn.tab
+
+  $.fn.tab             = Plugin
+  $.fn.tab.Constructor = Tab
+
+
+  // TAB NO CONFLICT
+  // ===============
+
+  $.fn.tab.noConflict = function () {
+    $.fn.tab = old
+    return this
+  }
+
+
+  // TAB DATA-API
+  // ============
+
+  var clickHandler = function (e) {
+    e.preventDefault()
+    Plugin.call($(this), 'show')
+  }
+
+  $(document)
+    .on('click.bs.tab.data-api', '[data-toggle="tab"]', clickHandler)
+    .on('click.bs.tab.data-api', '[data-toggle="pill"]', clickHandler)
+
+});

docs/libs/bs3compat-0.4.2/transition.js

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+/* ========================================================================
+ * Bootstrap: transition.js v3.4.1
+ * https://getbootstrap.com/docs/3.4/javascript/#transitions
+ * ========================================================================
+ * Copyright 2011-2019 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/v3-dev/LICENSE)
+ * ======================================================================== */
+
+
++function ($) {
+  'use strict';
+
+  // CSS TRANSITION SUPPORT (Shoutout: https://modernizr.com/)
+  // ============================================================
+
+  function transitionEnd() {
+    var el = document.createElement('bootstrap')
+
+    var transEndEventNames = {
+      WebkitTransition : 'webkitTransitionEnd',
+      MozTransition    : 'transitionend',
+      OTransition      : 'oTransitionEnd otransitionend',
+      transition       : 'transitionend'
+    }
+
+    for (var name in transEndEventNames) {
+      if (el.style[name] !== undefined) {
+        return { end: transEndEventNames[name] }
+      }
+    }
+
+    return false // explicit for ie8 (  ._.)
+  }
+
+  // https://blog.alexmaccaw.com/css-transitions
+  $.fn.emulateTransitionEnd = function (duration) {
+    var called = false
+    var $el = this
+    $(this).one('bsTransitionEnd', function () { called = true })
+    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }
+    setTimeout(callback, duration)
+    return this
+  }
+
+  $(function () {
+    $.support.transition = transitionEnd()
+
+    if (!$.support.transition) return
+
+    $.event.special.bsTransitionEnd = {
+      bindType: $.support.transition.end,
+      delegateType: $.support.transition.end,
+      handle: function (e) {
+        if ($(e.target).is(this)) return e.handleObj.handler.apply(this, arguments)
+      }
+    }
+  })
+
+}(jQuery);