1 | "use strict";
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2 |
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3 | var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
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4 |
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5 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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6 |
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7 | exports.__esModule = true;
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8 | exports["default"] = void 0;
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9 |
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10 | var _matches = _interopRequireDefault(require("dom-helpers/matches"));
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11 |
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12 | var _querySelectorAll = _interopRequireDefault(require("dom-helpers/querySelectorAll"));
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13 |
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14 | var _react = _interopRequireWildcard(require("react"));
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15 |
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16 | var _propTypes = _interopRequireDefault(require("prop-types"));
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17 |
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18 | var _uncontrollable = require("uncontrollable");
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19 |
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20 | var _usePrevious = _interopRequireDefault(require("@restart/hooks/usePrevious"));
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21 |
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22 | var _useCallbackRef2 = _interopRequireDefault(require("@restart/hooks/useCallbackRef"));
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23 |
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24 | var _useForceUpdate = _interopRequireDefault(require("@restart/hooks/useForceUpdate"));
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25 |
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26 | var _useEventCallback = _interopRequireDefault(require("@restart/hooks/useEventCallback"));
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27 |
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28 | var _DropdownContext = _interopRequireDefault(require("./DropdownContext"));
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29 |
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30 | var _DropdownMenu = _interopRequireDefault(require("./DropdownMenu"));
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31 |
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32 | var _DropdownToggle = _interopRequireDefault(require("./DropdownToggle"));
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33 |
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34 | var propTypes = {
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35 | |
36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 | children: _propTypes["default"].func.isRequired,
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47 |
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48 | |
49 |
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50 |
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51 | drop: _propTypes["default"].oneOf(['up', 'left', 'right', 'down']),
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52 |
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53 | |
54 |
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55 |
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56 |
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57 |
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58 |
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59 |
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60 |
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61 | focusFirstItemOnShow: _propTypes["default"].oneOf([false, true, 'keyboard']),
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62 |
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63 | |
64 |
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65 |
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66 |
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67 |
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68 | itemSelector: _propTypes["default"].string,
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69 |
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70 | |
71 |
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72 |
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73 | alignEnd: _propTypes["default"].bool,
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74 |
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75 | |
76 |
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77 |
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78 |
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79 |
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80 | show: _propTypes["default"].bool,
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81 |
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82 | |
83 |
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84 |
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85 | defaultShow: _propTypes["default"].bool,
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86 |
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87 | |
88 |
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89 |
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90 |
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91 |
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92 |
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93 |
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94 |
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95 |
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96 |
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97 |
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98 |
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99 |
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100 | onToggle: _propTypes["default"].func
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101 | };
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102 |
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103 |
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104 |
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105 |
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106 | function Dropdown(_ref) {
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107 | var drop = _ref.drop,
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108 | alignEnd = _ref.alignEnd,
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109 | defaultShow = _ref.defaultShow,
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110 | rawShow = _ref.show,
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111 | rawOnToggle = _ref.onToggle,
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112 | _ref$itemSelector = _ref.itemSelector,
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113 | itemSelector = _ref$itemSelector === void 0 ? '* > *' : _ref$itemSelector,
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114 | focusFirstItemOnShow = _ref.focusFirstItemOnShow,
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115 | children = _ref.children;
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116 | var forceUpdate = (0, _useForceUpdate["default"])();
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117 |
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118 | var _useUncontrolledProp = (0, _uncontrollable.useUncontrolledProp)(rawShow, defaultShow, rawOnToggle),
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119 | show = _useUncontrolledProp[0],
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120 | onToggle = _useUncontrolledProp[1];
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121 |
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122 | var _useCallbackRef = (0, _useCallbackRef2["default"])(),
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123 | toggleElement = _useCallbackRef[0],
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124 | setToggle = _useCallbackRef[1];
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125 |
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126 |
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127 |
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128 |
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129 | var menuRef = (0, _react.useRef)(null);
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130 | var menuElement = menuRef.current;
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131 | var setMenu = (0, _react.useCallback)(function (ref) {
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132 | menuRef.current = ref;
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133 |
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134 | forceUpdate();
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135 | }, [forceUpdate]);
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136 | var lastShow = (0, _usePrevious["default"])(show);
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137 | var lastSourceEvent = (0, _react.useRef)(null);
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138 | var focusInDropdown = (0, _react.useRef)(false);
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139 | var toggle = (0, _react.useCallback)(function (event) {
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140 | onToggle(!show, event);
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141 | }, [onToggle, show]);
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142 | var context = (0, _react.useMemo)(function () {
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143 | return {
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144 | toggle: toggle,
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145 | drop: drop,
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146 | show: show,
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147 | alignEnd: alignEnd,
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148 | menuElement: menuElement,
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149 | toggleElement: toggleElement,
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150 | setMenu: setMenu,
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151 | setToggle: setToggle
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152 | };
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153 | }, [toggle, drop, show, alignEnd, menuElement, toggleElement, setMenu, setToggle]);
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154 |
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155 | if (menuElement && lastShow && !show) {
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156 | focusInDropdown.current = menuElement.contains(document.activeElement);
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157 | }
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158 |
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159 | var focusToggle = (0, _useEventCallback["default"])(function () {
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160 | if (toggleElement && toggleElement.focus) {
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161 | toggleElement.focus();
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162 | }
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163 | });
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164 | var maybeFocusFirst = (0, _useEventCallback["default"])(function () {
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165 | var type = lastSourceEvent.current;
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166 | var focusType = focusFirstItemOnShow;
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167 |
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168 | if (focusType == null) {
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169 | focusType = menuRef.current && (0, _matches["default"])(menuRef.current, '[role=menu]') ? 'keyboard' : false;
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170 | }
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171 |
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172 | if (focusType === false || focusType === 'keyboard' && !/^key.+$/.test(type)) {
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173 | return;
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174 | }
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175 |
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176 | var first = (0, _querySelectorAll["default"])(menuRef.current, itemSelector)[0];
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177 | if (first && first.focus) first.focus();
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178 | });
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179 | (0, _react.useEffect)(function () {
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180 | if (show) maybeFocusFirst();else if (focusInDropdown.current) {
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181 | focusInDropdown.current = false;
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182 | focusToggle();
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183 | }
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184 | }, [show, focusInDropdown, focusToggle, maybeFocusFirst]);
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185 | (0, _react.useEffect)(function () {
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186 | lastSourceEvent.current = null;
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187 | });
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188 |
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189 | var getNextFocusedChild = function getNextFocusedChild(current, offset) {
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190 | if (!menuRef.current) return null;
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191 | var items = (0, _querySelectorAll["default"])(menuRef.current, itemSelector);
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192 | var index = items.indexOf(current) + offset;
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193 | index = Math.max(0, Math.min(index, items.length));
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194 | return items[index];
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195 | };
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196 |
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197 | var handleKeyDown = function handleKeyDown(event) {
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198 | var key = event.key;
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199 | var target = event.target;
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200 |
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201 |
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202 | var isInput = /input|textarea/i.test(target.tagName);
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203 |
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204 | if (isInput && (key === ' ' || key !== 'Escape' && menuRef.current && menuRef.current.contains(target))) {
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205 | return;
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206 | }
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207 |
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208 | lastSourceEvent.current = event.type;
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209 |
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210 | switch (key) {
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211 | case 'ArrowUp':
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212 | {
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213 | var next = getNextFocusedChild(target, -1);
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214 | if (next && next.focus) next.focus();
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215 | event.preventDefault();
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216 | return;
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217 | }
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218 |
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219 | case 'ArrowDown':
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220 | event.preventDefault();
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221 |
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222 | if (!show) {
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223 | toggle(event);
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224 | } else {
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225 | var _next = getNextFocusedChild(target, 1);
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226 |
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227 | if (_next && _next.focus) _next.focus();
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228 | }
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229 |
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230 | return;
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231 |
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232 | case 'Escape':
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233 | case 'Tab':
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234 | onToggle(false, event);
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235 | break;
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236 |
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237 | default:
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238 | }
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239 | };
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240 |
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241 | return _react["default"].createElement(_DropdownContext["default"].Provider, {
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242 | value: context
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243 | }, children({
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244 | props: {
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245 | onKeyDown: handleKeyDown
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246 | }
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247 | }));
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248 | }
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249 |
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250 | Dropdown.displayName = 'ReactOverlaysDropdown';
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251 | Dropdown.propTypes = propTypes;
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252 | Dropdown.Menu = _DropdownMenu["default"];
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253 | Dropdown.Toggle = _DropdownToggle["default"];
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254 | var _default = Dropdown;
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255 | exports["default"] = _default;
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256 | module.exports = exports.default; |
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