From ff4792fcefbe7369c95cf7b2d06e7d211b1c3991 Mon Sep 17 00:00:00 2001
From: Chris Rebert <github@chrisrebert.com>
Date: Tue, 16 Feb 2016 04:05:41 -0800
Subject: js/tests/index.html: Replace jQuery event alias methods with
 functions that throw explanatory errors, instead of with undefined

Refs https://github.com/twbs/bootstrap/pull/19219#issuecomment-184653699

[skip validator]
---
 js/tests/index.html | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'js')

diff --git a/js/tests/index.html b/js/tests/index.html
index a91725cc5..e4cbae42f 100644
--- a/js/tests/index.html
+++ b/js/tests/index.html
@@ -44,7 +44,10 @@
           'undelegate'
         ]
         for (var i = 0; i < eventAliases.length; i++) {
-          $.fn[eventAliases[i]] = undefined
+          var eventAlias = eventAliases[i]
+          $.fn[eventAlias] = function () {
+            throw new Error('Using the ".' + eventAlias + '()" method is not allowed, so that Bootstrap can be compatible with custom jQuery builds which exclude the "event aliases" module that defines said method. See https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md#js')
+          }
         }
       })()
     </script>
-- 
cgit v1.2.3


From a496cb8be4dd1ccd4610e06f425153c76defc594 Mon Sep 17 00:00:00 2001
From: "Patrick H. Lauke" <redux@splintered.co.uk>
Date: Tue, 16 Feb 2016 14:16:27 +0000
Subject: Focus (visually hidden) input radio/checkbox

This allows for keyboard navigation (e.g. arrow keys left/right to
trigger different radio buttons) following an initial mouse click
interaction
---
 js/src/button.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'js')

diff --git a/js/src/button.js b/js/src/button.js
index 3144a3f10..adcf4c928 100644
--- a/js/src/button.js
+++ b/js/src/button.js
@@ -92,7 +92,10 @@ const Button = (($) => {
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE)
             $(this._element).trigger('change')
           }
+
+          $(input).trigger('focus')
         }
+
       } else {
         this._element.setAttribute('aria-pressed',
           !$(this._element).hasClass(ClassName.ACTIVE))
-- 
cgit v1.2.3


From 83217479c3951cb0e6f8ab50def2d056a90f9dd5 Mon Sep 17 00:00:00 2001
From: "Patrick H. Lauke" <redux@splintered.co.uk>
Date: Tue, 16 Feb 2016 21:24:29 +0000
Subject: Visual/manual test for checkbox/radio button kbd behavior

---
 js/tests/visual/button.html | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'js')

diff --git a/js/tests/visual/button.html b/js/tests/visual/button.html
index a0388e777..fd277582e 100644
--- a/js/tests/visual/button.html
+++ b/js/tests/visual/button.html
@@ -17,6 +17,9 @@
 
   <button type="button" class="btn btn-primary" data-toggle="button">Single toggle</button>
 
+  <p>For checkboxes and radio buttons, ensure that keyboard behavior is functioning correctly.</p>
+  <p>Navigate to the checkboxes with the keyboard (generally, using <kbd>TAB</kbd> / <kbd>SHIFT + TAB</kbd>), and ensure that <kbd>SPACE</kbd> toggles the currently focused checkbox. Click on one of the checkboxes using the mouse, ensure that focus was correctly set on the actual checkbox, and that <kbd>SPACE</kbd> toggles the checkbox again.</p>
+
   <div class="btn-group" data-toggle="buttons">
     <label class="btn btn-primary">
       <input type="checkbox"> checkbox 1
@@ -29,6 +32,8 @@
     </label>
   </div>
 
+  <p>Navigate to the radio button group with the keyboard (generally, using <kbd>TAB</kbd> / <kbd>SHIFT + TAB</kbd>). If no radio button was initially set to be selected, the first/last radio button should receive focus (depending on whether you navigated "forward" to the group with <kbd>TAB</kbd> or "backwards" using <kbd>SHIFT + TAB</kbd>). If a radio button was already selected, navigating with the keyboard should set focus to that particular radio button. Only one radio button in a group should receive focus at any given time.  Ensure that the selected radio button can be changed by using the <kbd>←</kbd> and <kbd>→</kbd> arrow keys. Click on one of the radio buttons with the mouse,  ensure that focus was correctly set on the actual radio button, and that <kbd>←</kbd> and <kbd>→</kbd> change the selected radio button again.</p>
+
   <div class="btn-group" data-toggle="buttons">
     <label class="btn btn-primary">
       <input type="radio" name="options" id="option1"> Radio 1
-- 
cgit v1.2.3


From 3b84ffcc5483b96baa273f57c45e8b3eab3bfea4 Mon Sep 17 00:00:00 2001
From: Mark Otto <markdotto@gmail.com>
Date: Tue, 16 Feb 2016 20:09:57 -0800
Subject: grunt

---
 js/dist/button.js     | 2 ++
 js/dist/button.js.map | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

(limited to 'js')

diff --git a/js/dist/button.js b/js/dist/button.js
index 592b29f1a..1486e745d 100644
--- a/js/dist/button.js
+++ b/js/dist/button.js
@@ -95,6 +95,8 @@ var Button = (function ($) {
               input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
               $(this._element).trigger('change');
             }
+
+            $(input).trigger('focus');
           }
         } else {
           this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
diff --git a/js/dist/button.js.map b/js/dist/button.js.map
index 911322742..8419c84c3 100644
--- a/js/dist/button.js.map
+++ b/js/dist/button.js.map
@@ -1 +1 @@
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INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      let rootElement        = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        let input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type 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\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.2): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'button'\n  const VERSION             = '4.0.0-alpha.2'\n  const DATA_KEY            = 'bs.button'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const ClassName = {\n    ACTIVE : 'active',\n    BUTTON : 'btn',\n    FOCUS  : 'focus'\n  }\n\n  const Selector = {\n    DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n    DATA_TOGGLE        : '[data-toggle=\"buttons\"]',\n    INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      let rootElement        = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        let input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type === 'radio') {\n            if (input.checked &&\n              $(this._element).hasClass(ClassName.ACTIVE)) {\n              triggerChangeEvent = false\n\n            } else {\n              let activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n              if (activeElement) {\n                $(activeElement).removeClass(ClassName.ACTIVE)\n              }\n            }\n          }\n\n          if (triggerChangeEvent) {\n            input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n            $(this._element).trigger('change')\n          }\n\n          $(input).trigger('focus')\n        }\n\n      } else {\n        this._element.setAttribute('aria-pressed',\n          !$(this._element).hasClass(ClassName.ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(ClassName.ACTIVE)\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Button(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (config === 'toggle') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      event.preventDefault()\n\n      let button = event.target\n\n      if (!$(button).hasClass(ClassName.BUTTON)) {\n        button = $(button).closest(Selector.BUTTON)\n      }\n\n      Button._jQueryInterface.call($(button), 'toggle')\n    })\n    .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      let button = $(event.target).closest(Selector.BUTTON)[0]\n      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Button._jQueryInterface\n  $.fn[NAME].Constructor = Button\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Button._jQueryInterface\n  }\n\n  return Button\n\n})(jQuery)\n\nexport default Button\n"]}
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