1 | /*! |
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2 | * Bootstrap dropdown.js v4.6.2 (https://getbootstrap.com/) |
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3 | * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors) |
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4 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE) |
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5 | */ |
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6 | (function (global, factory) { |
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7 | typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('jquery'), require('popper.js'), require('./util.js')) : |
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8 | typeof define === 'function' && define.amd ? define(['jquery', 'popper.js', './util'], factory) : |
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9 | (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.jQuery, global.Popper, global.Util)); |
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10 | })(this, (function ($, Popper, Util) { 'use strict'; |
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11 | |||
12 | function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } |
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13 | |||
14 | var $__default = /*#__PURE__*/_interopDefaultLegacy($); |
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15 | var Popper__default = /*#__PURE__*/_interopDefaultLegacy(Popper); |
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16 | var Util__default = /*#__PURE__*/_interopDefaultLegacy(Util); |
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17 | |||
18 | function _defineProperties(target, props) { |
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19 | for (var i = 0; i < props.length; i++) { |
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20 | var descriptor = props[i]; |
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21 | descriptor.enumerable = descriptor.enumerable || false; |
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22 | descriptor.configurable = true; |
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23 | if ("value" in descriptor) descriptor.writable = true; |
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24 | Object.defineProperty(target, descriptor.key, descriptor); |
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25 | } |
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26 | } |
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27 | |||
28 | function _createClass(Constructor, protoProps, staticProps) { |
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29 | if (protoProps) _defineProperties(Constructor.prototype, protoProps); |
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30 | if (staticProps) _defineProperties(Constructor, staticProps); |
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31 | Object.defineProperty(Constructor, "prototype", { |
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32 | writable: false |
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33 | }); |
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34 | return Constructor; |
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35 | } |
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36 | |||
37 | function _extends() { |
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38 | _extends = Object.assign ? Object.assign.bind() : function (target) { |
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39 | for (var i = 1; i < arguments.length; i++) { |
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40 | var source = arguments[i]; |
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41 | |||
42 | for (var key in source) { |
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43 | if (Object.prototype.hasOwnProperty.call(source, key)) { |
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44 | target[key] = source[key]; |
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45 | } |
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46 | } |
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47 | } |
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48 | |||
49 | return target; |
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50 | }; |
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51 | return _extends.apply(this, arguments); |
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52 | } |
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53 | |||
54 | /** |
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55 | * Constants |
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56 | */ |
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57 | |||
58 | var NAME = 'dropdown'; |
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59 | var VERSION = '4.6.2'; |
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60 | var DATA_KEY = 'bs.dropdown'; |
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61 | var EVENT_KEY = "." + DATA_KEY; |
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62 | var DATA_API_KEY = '.data-api'; |
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63 | var JQUERY_NO_CONFLICT = $__default["default"].fn[NAME]; |
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64 | var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key |
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65 | |||
66 | var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key |
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67 | |||
68 | var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key |
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69 | |||
70 | var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key |
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71 | |||
72 | var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key |
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73 | |||
74 | var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse) |
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75 | |||
76 | var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + "|" + ARROW_DOWN_KEYCODE + "|" + ESCAPE_KEYCODE); |
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77 | var CLASS_NAME_DISABLED = 'disabled'; |
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78 | var CLASS_NAME_SHOW = 'show'; |
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79 | var CLASS_NAME_DROPUP = 'dropup'; |
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80 | var CLASS_NAME_DROPRIGHT = 'dropright'; |
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81 | var CLASS_NAME_DROPLEFT = 'dropleft'; |
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82 | var CLASS_NAME_MENURIGHT = 'dropdown-menu-right'; |
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83 | var CLASS_NAME_POSITION_STATIC = 'position-static'; |
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84 | var EVENT_HIDE = "hide" + EVENT_KEY; |
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85 | var EVENT_HIDDEN = "hidden" + EVENT_KEY; |
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86 | var EVENT_SHOW = "show" + EVENT_KEY; |
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87 | var EVENT_SHOWN = "shown" + EVENT_KEY; |
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88 | var EVENT_CLICK = "click" + EVENT_KEY; |
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89 | var EVENT_CLICK_DATA_API = "click" + EVENT_KEY + DATA_API_KEY; |
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90 | var EVENT_KEYDOWN_DATA_API = "keydown" + EVENT_KEY + DATA_API_KEY; |
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91 | var EVENT_KEYUP_DATA_API = "keyup" + EVENT_KEY + DATA_API_KEY; |
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92 | var SELECTOR_DATA_TOGGLE = '[data-toggle="dropdown"]'; |
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93 | var SELECTOR_FORM_CHILD = '.dropdown form'; |
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94 | var SELECTOR_MENU = '.dropdown-menu'; |
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95 | var SELECTOR_NAVBAR_NAV = '.navbar-nav'; |
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96 | var SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'; |
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97 | var PLACEMENT_TOP = 'top-start'; |
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98 | var PLACEMENT_TOPEND = 'top-end'; |
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99 | var PLACEMENT_BOTTOM = 'bottom-start'; |
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100 | var PLACEMENT_BOTTOMEND = 'bottom-end'; |
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101 | var PLACEMENT_RIGHT = 'right-start'; |
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102 | var PLACEMENT_LEFT = 'left-start'; |
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103 | var Default = { |
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104 | offset: 0, |
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105 | flip: true, |
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106 | boundary: 'scrollParent', |
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107 | reference: 'toggle', |
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108 | display: 'dynamic', |
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109 | popperConfig: null |
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110 | }; |
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111 | var DefaultType = { |
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112 | offset: '(number|string|function)', |
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113 | flip: 'boolean', |
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114 | boundary: '(string|element)', |
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115 | reference: '(string|element)', |
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116 | display: 'string', |
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117 | popperConfig: '(null|object)' |
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118 | }; |
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119 | /** |
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120 | * Class definition |
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121 | */ |
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122 | |||
123 | var Dropdown = /*#__PURE__*/function () { |
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124 | function Dropdown(element, config) { |
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125 | this._element = element; |
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126 | this._popper = null; |
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127 | this._config = this._getConfig(config); |
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128 | this._menu = this._getMenuElement(); |
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129 | this._inNavbar = this._detectNavbar(); |
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130 | |||
131 | this._addEventListeners(); |
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132 | } // Getters |
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133 | |||
134 | |||
135 | var _proto = Dropdown.prototype; |
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136 | |||
137 | // Public |
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138 | _proto.toggle = function toggle() { |
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139 | if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED)) { |
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140 | return; |
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141 | } |
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142 | |||
143 | var isActive = $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW); |
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144 | |||
145 | Dropdown._clearMenus(); |
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146 | |||
147 | if (isActive) { |
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148 | return; |
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149 | } |
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150 | |||
151 | this.show(true); |
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152 | }; |
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153 | |||
154 | _proto.show = function show(usePopper) { |
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155 | if (usePopper === void 0) { |
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156 | usePopper = false; |
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157 | } |
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158 | |||
159 | if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED) || $__default["default"](this._menu).hasClass(CLASS_NAME_SHOW)) { |
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160 | return; |
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161 | } |
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162 | |||
163 | var relatedTarget = { |
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164 | relatedTarget: this._element |
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165 | }; |
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166 | var showEvent = $__default["default"].Event(EVENT_SHOW, relatedTarget); |
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167 | |||
168 | var parent = Dropdown._getParentFromElement(this._element); |
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169 | |||
170 | $__default["default"](parent).trigger(showEvent); |
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171 | |||
172 | if (showEvent.isDefaultPrevented()) { |
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173 | return; |
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174 | } // Totally disable Popper for Dropdowns in Navbar |
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175 | |||
176 | |||
177 | if (!this._inNavbar && usePopper) { |
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178 | // Check for Popper dependency |
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179 | if (typeof Popper__default["default"] === 'undefined') { |
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180 | throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)'); |
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181 | } |
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182 | |||
183 | var referenceElement = this._element; |
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184 | |||
185 | if (this._config.reference === 'parent') { |
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186 | referenceElement = parent; |
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187 | } else if (Util__default["default"].isElement(this._config.reference)) { |
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188 | referenceElement = this._config.reference; // Check if it's jQuery element |
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189 | |||
190 | if (typeof this._config.reference.jquery !== 'undefined') { |
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191 | referenceElement = this._config.reference[0]; |
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192 | } |
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193 | } // If boundary is not `scrollParent`, then set position to `static` |
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194 | // to allow the menu to "escape" the scroll parent's boundaries |
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195 | // https://github.com/twbs/bootstrap/issues/24251 |
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196 | |||
197 | |||
198 | if (this._config.boundary !== 'scrollParent') { |
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199 | $__default["default"](parent).addClass(CLASS_NAME_POSITION_STATIC); |
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200 | } |
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201 | |||
202 | this._popper = new Popper__default["default"](referenceElement, this._menu, this._getPopperConfig()); |
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203 | } // If this is a touch-enabled device we add extra |
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204 | // empty mouseover listeners to the body's immediate children; |
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205 | // only needed because of broken event delegation on iOS |
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206 | // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html |
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207 | |||
208 | |||
209 | if ('ontouchstart' in document.documentElement && $__default["default"](parent).closest(SELECTOR_NAVBAR_NAV).length === 0) { |
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210 | $__default["default"](document.body).children().on('mouseover', null, $__default["default"].noop); |
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211 | } |
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212 | |||
213 | this._element.focus(); |
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214 | |||
215 | this._element.setAttribute('aria-expanded', true); |
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216 | |||
217 | $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW); |
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218 | $__default["default"](parent).toggleClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_SHOWN, relatedTarget)); |
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219 | }; |
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220 | |||
221 | _proto.hide = function hide() { |
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222 | if (this._element.disabled || $__default["default"](this._element).hasClass(CLASS_NAME_DISABLED) || !$__default["default"](this._menu).hasClass(CLASS_NAME_SHOW)) { |
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223 | return; |
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224 | } |
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225 | |||
226 | var relatedTarget = { |
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227 | relatedTarget: this._element |
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228 | }; |
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229 | var hideEvent = $__default["default"].Event(EVENT_HIDE, relatedTarget); |
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230 | |||
231 | var parent = Dropdown._getParentFromElement(this._element); |
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232 | |||
233 | $__default["default"](parent).trigger(hideEvent); |
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234 | |||
235 | if (hideEvent.isDefaultPrevented()) { |
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236 | return; |
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237 | } |
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238 | |||
239 | if (this._popper) { |
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240 | this._popper.destroy(); |
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241 | } |
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242 | |||
243 | $__default["default"](this._menu).toggleClass(CLASS_NAME_SHOW); |
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244 | $__default["default"](parent).toggleClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_HIDDEN, relatedTarget)); |
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245 | }; |
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246 | |||
247 | _proto.dispose = function dispose() { |
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248 | $__default["default"].removeData(this._element, DATA_KEY); |
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249 | $__default["default"](this._element).off(EVENT_KEY); |
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250 | this._element = null; |
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251 | this._menu = null; |
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252 | |||
253 | if (this._popper !== null) { |
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254 | this._popper.destroy(); |
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255 | |||
256 | this._popper = null; |
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257 | } |
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258 | }; |
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259 | |||
260 | _proto.update = function update() { |
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261 | this._inNavbar = this._detectNavbar(); |
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262 | |||
263 | if (this._popper !== null) { |
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264 | this._popper.scheduleUpdate(); |
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265 | } |
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266 | } // Private |
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267 | ; |
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268 | |||
269 | _proto._addEventListeners = function _addEventListeners() { |
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270 | var _this = this; |
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271 | |||
272 | $__default["default"](this._element).on(EVENT_CLICK, function (event) { |
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273 | event.preventDefault(); |
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274 | event.stopPropagation(); |
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275 | |||
276 | _this.toggle(); |
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277 | }); |
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278 | }; |
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279 | |||
280 | _proto._getConfig = function _getConfig(config) { |
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281 | config = _extends({}, this.constructor.Default, $__default["default"](this._element).data(), config); |
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282 | Util__default["default"].typeCheckConfig(NAME, config, this.constructor.DefaultType); |
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283 | return config; |
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284 | }; |
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285 | |||
286 | _proto._getMenuElement = function _getMenuElement() { |
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287 | if (!this._menu) { |
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288 | var parent = Dropdown._getParentFromElement(this._element); |
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289 | |||
290 | if (parent) { |
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291 | this._menu = parent.querySelector(SELECTOR_MENU); |
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292 | } |
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293 | } |
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294 | |||
295 | return this._menu; |
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296 | }; |
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297 | |||
298 | _proto._getPlacement = function _getPlacement() { |
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299 | var $parentDropdown = $__default["default"](this._element.parentNode); |
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300 | var placement = PLACEMENT_BOTTOM; // Handle dropup |
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301 | |||
302 | if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) { |
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303 | placement = $__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT) ? PLACEMENT_TOPEND : PLACEMENT_TOP; |
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304 | } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) { |
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305 | placement = PLACEMENT_RIGHT; |
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306 | } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) { |
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307 | placement = PLACEMENT_LEFT; |
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308 | } else if ($__default["default"](this._menu).hasClass(CLASS_NAME_MENURIGHT)) { |
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309 | placement = PLACEMENT_BOTTOMEND; |
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310 | } |
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311 | |||
312 | return placement; |
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313 | }; |
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314 | |||
315 | _proto._detectNavbar = function _detectNavbar() { |
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316 | return $__default["default"](this._element).closest('.navbar').length > 0; |
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317 | }; |
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318 | |||
319 | _proto._getOffset = function _getOffset() { |
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320 | var _this2 = this; |
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321 | |||
322 | var offset = {}; |
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323 | |||
324 | if (typeof this._config.offset === 'function') { |
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325 | offset.fn = function (data) { |
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326 | data.offsets = _extends({}, data.offsets, _this2._config.offset(data.offsets, _this2._element)); |
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327 | return data; |
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328 | }; |
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329 | } else { |
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330 | offset.offset = this._config.offset; |
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331 | } |
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332 | |||
333 | return offset; |
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334 | }; |
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335 | |||
336 | _proto._getPopperConfig = function _getPopperConfig() { |
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337 | var popperConfig = { |
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338 | placement: this._getPlacement(), |
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339 | modifiers: { |
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340 | offset: this._getOffset(), |
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341 | flip: { |
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342 | enabled: this._config.flip |
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343 | }, |
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344 | preventOverflow: { |
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345 | boundariesElement: this._config.boundary |
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346 | } |
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347 | } |
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348 | }; // Disable Popper if we have a static display |
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349 | |||
350 | if (this._config.display === 'static') { |
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351 | popperConfig.modifiers.applyStyle = { |
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352 | enabled: false |
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353 | }; |
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354 | } |
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355 | |||
356 | return _extends({}, popperConfig, this._config.popperConfig); |
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357 | } // Static |
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358 | ; |
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359 | |||
360 | View Code Duplication | Dropdown._jQueryInterface = function _jQueryInterface(config) { |
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361 | return this.each(function () { |
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362 | var data = $__default["default"](this).data(DATA_KEY); |
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363 | |||
364 | var _config = typeof config === 'object' ? config : null; |
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365 | |||
366 | if (!data) { |
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367 | data = new Dropdown(this, _config); |
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368 | $__default["default"](this).data(DATA_KEY, data); |
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369 | } |
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370 | |||
371 | if (typeof config === 'string') { |
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372 | if (typeof data[config] === 'undefined') { |
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373 | throw new TypeError("No method named \"" + config + "\""); |
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374 | } |
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375 | |||
376 | data[config](); |
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377 | } |
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378 | }); |
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379 | }; |
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380 | |||
381 | Dropdown._clearMenus = function _clearMenus(event) { |
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382 | if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) { |
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383 | return; |
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384 | } |
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385 | |||
386 | var toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE)); |
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387 | |||
388 | for (var i = 0, len = toggles.length; i < len; i++) { |
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389 | var parent = Dropdown._getParentFromElement(toggles[i]); |
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390 | |||
391 | var context = $__default["default"](toggles[i]).data(DATA_KEY); |
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392 | var relatedTarget = { |
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393 | relatedTarget: toggles[i] |
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394 | }; |
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395 | |||
396 | if (event && event.type === 'click') { |
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397 | relatedTarget.clickEvent = event; |
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398 | } |
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399 | |||
400 | if (!context) { |
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401 | continue; |
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402 | } |
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403 | |||
404 | var dropdownMenu = context._menu; |
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405 | |||
406 | if (!$__default["default"](parent).hasClass(CLASS_NAME_SHOW)) { |
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407 | continue; |
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408 | } |
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409 | |||
410 | if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $__default["default"].contains(parent, event.target)) { |
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411 | continue; |
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412 | } |
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413 | |||
414 | var hideEvent = $__default["default"].Event(EVENT_HIDE, relatedTarget); |
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415 | $__default["default"](parent).trigger(hideEvent); |
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416 | |||
417 | if (hideEvent.isDefaultPrevented()) { |
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418 | continue; |
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419 | } // If this is a touch-enabled device we remove the extra |
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420 | // empty mouseover listeners we added for iOS support |
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421 | |||
422 | |||
423 | if ('ontouchstart' in document.documentElement) { |
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424 | $__default["default"](document.body).children().off('mouseover', null, $__default["default"].noop); |
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425 | } |
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426 | |||
427 | toggles[i].setAttribute('aria-expanded', 'false'); |
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428 | |||
429 | if (context._popper) { |
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430 | context._popper.destroy(); |
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431 | } |
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432 | |||
433 | $__default["default"](dropdownMenu).removeClass(CLASS_NAME_SHOW); |
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434 | $__default["default"](parent).removeClass(CLASS_NAME_SHOW).trigger($__default["default"].Event(EVENT_HIDDEN, relatedTarget)); |
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435 | } |
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436 | }; |
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437 | |||
438 | Dropdown._getParentFromElement = function _getParentFromElement(element) { |
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439 | var parent; |
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440 | var selector = Util__default["default"].getSelectorFromElement(element); |
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441 | |||
442 | if (selector) { |
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443 | parent = document.querySelector(selector); |
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444 | } |
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445 | |||
446 | return parent || element.parentNode; |
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447 | } // eslint-disable-next-line complexity |
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448 | ; |
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449 | |||
450 | Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) { |
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451 | // If not input/textarea: |
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452 | // - And not a key in REGEXP_KEYDOWN => not a dropdown command |
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453 | // If input/textarea: |
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454 | // - If space key => not a dropdown command |
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455 | // - If key is other than escape |
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456 | // - If key is not up or down => not a dropdown command |
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457 | // - If trigger inside the menu => not a dropdown command |
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458 | if (/input|textarea/i.test(event.target.tagName) ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE && (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE || $__default["default"](event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) { |
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459 | return; |
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460 | } |
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461 | |||
462 | if (this.disabled || $__default["default"](this).hasClass(CLASS_NAME_DISABLED)) { |
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463 | return; |
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464 | } |
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465 | |||
466 | var parent = Dropdown._getParentFromElement(this); |
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467 | |||
468 | var isActive = $__default["default"](parent).hasClass(CLASS_NAME_SHOW); |
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469 | |||
470 | if (!isActive && event.which === ESCAPE_KEYCODE) { |
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471 | return; |
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472 | } |
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473 | |||
474 | event.preventDefault(); |
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475 | event.stopPropagation(); |
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476 | |||
477 | if (!isActive || event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE) { |
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478 | if (event.which === ESCAPE_KEYCODE) { |
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479 | $__default["default"](parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus'); |
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480 | } |
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481 | |||
482 | $__default["default"](this).trigger('click'); |
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483 | return; |
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484 | } |
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485 | |||
486 | var items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS)).filter(function (item) { |
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487 | return $__default["default"](item).is(':visible'); |
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488 | }); |
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489 | |||
490 | if (items.length === 0) { |
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491 | return; |
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492 | } |
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493 | |||
494 | var index = items.indexOf(event.target); |
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495 | |||
496 | if (event.which === ARROW_UP_KEYCODE && index > 0) { |
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497 | // Up |
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498 | index--; |
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499 | } |
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500 | |||
501 | if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { |
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502 | // Down |
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503 | index++; |
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504 | } |
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505 | |||
506 | if (index < 0) { |
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507 | index = 0; |
||
508 | } |
||
509 | |||
510 | items[index].focus(); |
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511 | }; |
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512 | |||
513 | _createClass(Dropdown, null, [{ |
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514 | key: "VERSION", |
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515 | get: function get() { |
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516 | return VERSION; |
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517 | } |
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518 | }, { |
||
519 | key: "Default", |
||
520 | get: function get() { |
||
521 | return Default; |
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522 | } |
||
523 | }, { |
||
524 | key: "DefaultType", |
||
525 | get: function get() { |
||
526 | return DefaultType; |
||
527 | } |
||
528 | }]); |
||
529 | |||
530 | return Dropdown; |
||
531 | }(); |
||
532 | /** |
||
533 | * Data API implementation |
||
534 | */ |
||
535 | |||
536 | |||
537 | $__default["default"](document).on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler).on(EVENT_CLICK_DATA_API + " " + EVENT_KEYUP_DATA_API, Dropdown._clearMenus).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) { |
||
538 | event.preventDefault(); |
||
539 | event.stopPropagation(); |
||
540 | |||
541 | Dropdown._jQueryInterface.call($__default["default"](this), 'toggle'); |
||
542 | }).on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, function (e) { |
||
543 | e.stopPropagation(); |
||
544 | }); |
||
545 | /** |
||
546 | * jQuery |
||
547 | */ |
||
548 | |||
549 | $__default["default"].fn[NAME] = Dropdown._jQueryInterface; |
||
550 | $__default["default"].fn[NAME].Constructor = Dropdown; |
||
551 | |||
552 | $__default["default"].fn[NAME].noConflict = function () { |
||
553 | $__default["default"].fn[NAME] = JQUERY_NO_CONFLICT; |
||
554 | return Dropdown._jQueryInterface; |
||
555 | }; |
||
556 | |||
557 | return Dropdown; |
||
558 | |||
559 | })); |
||
560 | //# sourceMappingURL=dropdown.js.map |
||
561 |
When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically: