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 _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
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11 |
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12 | var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutPropertiesLoose"));
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13 |
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14 | var _useEventCallback = _interopRequireDefault(require("@restart/hooks/useEventCallback"));
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15 |
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16 | var _useUpdateEffect = _interopRequireDefault(require("@restart/hooks/useUpdateEffect"));
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17 |
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18 | var _useCommittedRef = _interopRequireDefault(require("@restart/hooks/useCommittedRef"));
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19 |
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20 | var _useTimeout = _interopRequireDefault(require("@restart/hooks/useTimeout"));
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21 |
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22 | var _classnames = _interopRequireDefault(require("classnames"));
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23 |
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24 | var _transitionEnd = _interopRequireDefault(require("dom-helpers/transitionEnd"));
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25 |
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26 | var _Transition = _interopRequireDefault(require("react-transition-group/Transition"));
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27 |
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28 | var _propTypes = _interopRequireDefault(require("prop-types"));
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29 |
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30 | var _react = _interopRequireWildcard(require("react"));
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31 |
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32 | var _uncontrollable = require("uncontrollable");
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33 |
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34 | var _CarouselCaption = _interopRequireDefault(require("./CarouselCaption"));
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35 |
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36 | var _CarouselItem = _interopRequireDefault(require("./CarouselItem"));
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37 |
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38 | var _ElementChildren = require("./ElementChildren");
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39 |
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40 | var _SafeAnchor = _interopRequireDefault(require("./SafeAnchor"));
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41 |
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42 | var _ThemeProvider = require("./ThemeProvider");
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43 |
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44 | var _triggerBrowserReflow = _interopRequireDefault(require("./triggerBrowserReflow"));
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45 |
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46 | var SWIPE_THRESHOLD = 40;
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47 | var propTypes = {
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48 | |
49 |
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50 |
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51 | bsPrefix: _propTypes.default.string,
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52 | as: _propTypes.default.elementType,
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53 |
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54 | |
55 |
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56 |
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57 | slide: _propTypes.default.bool,
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58 |
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59 |
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60 | fade: _propTypes.default.bool,
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61 |
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62 | |
63 |
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64 |
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65 | controls: _propTypes.default.bool,
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66 |
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67 | |
68 |
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69 |
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70 | indicators: _propTypes.default.bool,
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71 |
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72 | |
73 |
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74 |
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75 |
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76 |
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77 | activeIndex: _propTypes.default.number,
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78 |
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79 | |
80 |
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81 |
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82 |
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83 |
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84 |
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85 |
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86 |
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87 |
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88 | onSelect: _propTypes.default.func,
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89 |
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90 | |
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 | onSlide: _propTypes.default.func,
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97 |
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98 | |
99 |
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100 |
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101 |
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102 |
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103 |
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104 | onSlid: _propTypes.default.func,
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105 |
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106 | |
107 |
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108 |
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109 | interval: _propTypes.default.number,
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110 |
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111 |
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112 | keyboard: _propTypes.default.bool,
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113 |
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114 | |
115 |
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116 |
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117 |
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118 |
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119 | pause: _propTypes.default.oneOf(['hover', false]),
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120 |
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121 |
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122 | wrap: _propTypes.default.bool,
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123 |
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124 | |
125 |
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126 |
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127 | touch: _propTypes.default.bool,
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128 |
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129 |
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130 | prevIcon: _propTypes.default.node,
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131 |
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132 | |
133 |
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134 |
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135 |
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136 |
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137 | prevLabel: _propTypes.default.string,
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138 |
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139 |
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140 | nextIcon: _propTypes.default.node,
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141 |
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142 | |
143 |
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144 |
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145 |
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146 |
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147 | nextLabel: _propTypes.default.string
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148 | };
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149 | var defaultProps = {
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150 | slide: true,
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151 | fade: false,
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152 | controls: true,
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153 | indicators: true,
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154 | defaultActiveIndex: 0,
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155 | interval: 5000,
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156 | keyboard: true,
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157 | pause: 'hover',
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158 | wrap: true,
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159 | touch: true,
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160 | prevIcon: _react.default.createElement("span", {
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161 | "aria-hidden": "true",
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162 | className: "carousel-control-prev-icon"
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163 | }),
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164 | prevLabel: 'Previous',
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165 | nextIcon: _react.default.createElement("span", {
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166 | "aria-hidden": "true",
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167 | className: "carousel-control-next-icon"
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168 | }),
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169 | nextLabel: 'Next'
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170 | };
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171 |
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172 | function isVisible(element) {
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173 | if (!element || !element.style || !element.parentNode || !element.parentNode.style) {
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174 | return false;
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175 | }
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176 |
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177 | var elementStyle = getComputedStyle(element);
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178 | return elementStyle.display !== 'none' && elementStyle.visibility !== 'hidden' && getComputedStyle(element.parentNode).display !== 'none';
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179 | }
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180 |
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181 | function CarouselFunc(uncontrolledProps, ref) {
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182 | var _useUncontrolled = (0, _uncontrollable.useUncontrolled)(uncontrolledProps, {
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183 | activeIndex: 'onSelect'
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184 | }),
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185 | _useUncontrolled$as = _useUncontrolled.as,
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186 | Component = _useUncontrolled$as === void 0 ? 'div' : _useUncontrolled$as,
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187 | bsPrefix = _useUncontrolled.bsPrefix,
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188 | slide = _useUncontrolled.slide,
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189 | fade = _useUncontrolled.fade,
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190 | controls = _useUncontrolled.controls,
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191 | indicators = _useUncontrolled.indicators,
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192 | activeIndex = _useUncontrolled.activeIndex,
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193 | onSelect = _useUncontrolled.onSelect,
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194 | onSlide = _useUncontrolled.onSlide,
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195 | onSlid = _useUncontrolled.onSlid,
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196 | interval = _useUncontrolled.interval,
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197 | keyboard = _useUncontrolled.keyboard,
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198 | onKeyDown = _useUncontrolled.onKeyDown,
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199 | pause = _useUncontrolled.pause,
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200 | onMouseOver = _useUncontrolled.onMouseOver,
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201 | onMouseOut = _useUncontrolled.onMouseOut,
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202 | wrap = _useUncontrolled.wrap,
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203 | touch = _useUncontrolled.touch,
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204 | onTouchStart = _useUncontrolled.onTouchStart,
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205 | onTouchMove = _useUncontrolled.onTouchMove,
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206 | onTouchEnd = _useUncontrolled.onTouchEnd,
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207 | prevIcon = _useUncontrolled.prevIcon,
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208 | prevLabel = _useUncontrolled.prevLabel,
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209 | nextIcon = _useUncontrolled.nextIcon,
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210 | nextLabel = _useUncontrolled.nextLabel,
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211 | className = _useUncontrolled.className,
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212 | children = _useUncontrolled.children,
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213 | props = (0, _objectWithoutPropertiesLoose2.default)(_useUncontrolled, ["as", "bsPrefix", "slide", "fade", "controls", "indicators", "activeIndex", "onSelect", "onSlide", "onSlid", "interval", "keyboard", "onKeyDown", "pause", "onMouseOver", "onMouseOut", "wrap", "touch", "onTouchStart", "onTouchMove", "onTouchEnd", "prevIcon", "prevLabel", "nextIcon", "nextLabel", "className", "children"]);
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214 |
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215 | var prefix = (0, _ThemeProvider.useBootstrapPrefix)(bsPrefix, 'carousel');
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216 | var nextDirectionRef = (0, _react.useRef)(null);
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217 |
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218 | var _useState = (0, _react.useState)('next'),
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219 | direction = _useState[0],
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220 | setDirection = _useState[1];
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221 |
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222 | var _useState2 = (0, _react.useState)(false),
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223 | paused = _useState2[0],
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224 | setPaused = _useState2[1];
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225 |
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226 | var _useState3 = (0, _react.useState)(false),
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227 | isSliding = _useState3[0],
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228 | setIsSliding = _useState3[1];
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229 |
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230 | var _useState4 = (0, _react.useState)(activeIndex || 0),
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231 | renderedActiveIndex = _useState4[0],
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232 | setRenderedActiveIndex = _useState4[1];
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233 |
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234 | if (!isSliding && activeIndex !== renderedActiveIndex) {
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235 | if (nextDirectionRef.current) {
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236 | setDirection(nextDirectionRef.current);
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237 | } else {
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238 | setDirection((activeIndex || 0) > renderedActiveIndex ? 'next' : 'prev');
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239 | }
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240 |
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241 | if (slide) {
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242 | setIsSliding(true);
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243 | }
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244 |
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245 | setRenderedActiveIndex(activeIndex || 0);
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246 | }
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247 |
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248 | (0, _react.useEffect)(function () {
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249 | if (nextDirectionRef.current) {
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250 | nextDirectionRef.current = null;
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251 | }
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252 | });
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253 | var numChildren = 0;
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254 | var activeChildInterval;
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255 |
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256 |
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257 | (0, _ElementChildren.forEach)(children, function (child, index) {
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258 | ++numChildren;
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259 |
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260 | if (index === activeIndex) {
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261 | activeChildInterval = child.props.interval;
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262 | }
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263 | });
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264 | var activeChildIntervalRef = (0, _useCommittedRef.default)(activeChildInterval);
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265 | var prev = (0, _react.useCallback)(function (event) {
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266 | if (isSliding) {
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267 | return;
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268 | }
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269 |
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270 | var nextActiveIndex = renderedActiveIndex - 1;
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271 |
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272 | if (nextActiveIndex < 0) {
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273 | if (!wrap) {
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274 | return;
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275 | }
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276 |
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277 | nextActiveIndex = numChildren - 1;
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278 | }
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279 |
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280 | nextDirectionRef.current = 'prev';
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281 |
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282 | if (onSelect) {
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283 | onSelect(nextActiveIndex, event);
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284 | }
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285 | }, [isSliding, renderedActiveIndex, onSelect, wrap, numChildren]);
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286 |
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287 | var next = (0, _useEventCallback.default)(function (event) {
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288 | if (isSliding) {
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289 | return;
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290 | }
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291 |
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292 | var nextActiveIndex = renderedActiveIndex + 1;
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293 |
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294 | if (nextActiveIndex >= numChildren) {
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295 | if (!wrap) {
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296 | return;
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297 | }
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298 |
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299 | nextActiveIndex = 0;
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300 | }
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301 |
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302 | nextDirectionRef.current = 'next';
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303 |
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304 | if (onSelect) {
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305 | onSelect(nextActiveIndex, event);
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306 | }
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307 | });
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308 | var elementRef = (0, _react.useRef)();
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309 | (0, _react.useImperativeHandle)(ref, function () {
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310 | return {
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311 | element: elementRef.current,
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312 | prev: prev,
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313 | next: next
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314 | };
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315 | });
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316 |
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317 | var nextWhenVisible = (0, _useEventCallback.default)(function () {
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318 | if (!document.hidden && isVisible(elementRef.current)) {
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319 | next();
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320 | }
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321 | });
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322 | var slideDirection = direction === 'next' ? 'left' : 'right';
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323 | (0, _useUpdateEffect.default)(function () {
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324 | if (slide) {
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325 |
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326 | return;
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327 | }
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328 |
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329 | if (onSlide) {
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330 | onSlide(renderedActiveIndex, slideDirection);
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331 | }
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332 |
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333 | if (onSlid) {
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334 | onSlid(renderedActiveIndex, slideDirection);
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335 | }
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336 | }, [renderedActiveIndex]);
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337 | var orderClassName = prefix + "-item-" + direction;
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338 | var directionalClassName = prefix + "-item-" + slideDirection;
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339 | var handleEnter = (0, _react.useCallback)(function (node) {
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340 | (0, _triggerBrowserReflow.default)(node);
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341 |
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342 | if (onSlide) {
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343 | onSlide(renderedActiveIndex, slideDirection);
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344 | }
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345 | }, [onSlide, renderedActiveIndex, slideDirection]);
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346 | var handleEntered = (0, _react.useCallback)(function () {
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347 | setIsSliding(false);
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348 |
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349 | if (onSlid) {
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350 | onSlid(renderedActiveIndex, slideDirection);
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351 | }
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352 | }, [onSlid, renderedActiveIndex, slideDirection]);
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353 | var handleKeyDown = (0, _react.useCallback)(function (event) {
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354 | if (keyboard && !/input|textarea/i.test(event.target.tagName)) {
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355 | switch (event.key) {
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356 | case 'ArrowLeft':
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357 | event.preventDefault();
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358 | prev(event);
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359 | return;
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360 |
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361 | case 'ArrowRight':
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362 | event.preventDefault();
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363 | next(event);
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364 | return;
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365 |
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366 | default:
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367 | }
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368 | }
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369 |
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370 | if (onKeyDown) {
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371 | onKeyDown(event);
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372 | }
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373 | }, [keyboard, onKeyDown, prev, next]);
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374 | var handleMouseOver = (0, _react.useCallback)(function (event) {
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375 | if (pause === 'hover') {
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376 | setPaused(true);
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377 | }
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378 |
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379 | if (onMouseOver) {
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380 | onMouseOver(event);
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381 | }
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382 | }, [pause, onMouseOver]);
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383 | var handleMouseOut = (0, _react.useCallback)(function (event) {
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384 | setPaused(false);
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385 |
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386 | if (onMouseOut) {
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387 | onMouseOut(event);
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388 | }
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389 | }, [onMouseOut]);
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390 | var touchStartXRef = (0, _react.useRef)(0);
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391 | var touchDeltaXRef = (0, _react.useRef)(0);
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392 | var touchUnpauseTimeout = (0, _useTimeout.default)();
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393 | var handleTouchStart = (0, _react.useCallback)(function (event) {
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394 | touchStartXRef.current = event.touches[0].clientX;
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395 | touchDeltaXRef.current = 0;
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396 |
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397 | if (pause === 'hover') {
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398 | setPaused(true);
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399 | }
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400 |
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401 | if (onTouchStart) {
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402 | onTouchStart(event);
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403 | }
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404 | }, [pause, onTouchStart]);
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405 | var handleTouchMove = (0, _react.useCallback)(function (event) {
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406 | if (event.touches && event.touches.length > 1) {
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407 | touchDeltaXRef.current = 0;
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408 | } else {
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409 | touchDeltaXRef.current = event.touches[0].clientX - touchStartXRef.current;
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410 | }
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411 |
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412 | if (onTouchMove) {
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413 | onTouchMove(event);
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414 | }
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415 | }, [onTouchMove]);
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416 | var handleTouchEnd = (0, _react.useCallback)(function (event) {
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417 | if (touch) {
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418 | var touchDeltaX = touchDeltaXRef.current;
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419 |
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420 | if (Math.abs(touchDeltaX) > SWIPE_THRESHOLD) {
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421 | if (touchDeltaX > 0) {
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422 | prev(event);
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423 | } else {
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424 | next(event);
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425 | }
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426 | }
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427 | }
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428 |
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429 | if (pause === 'hover') {
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430 | touchUnpauseTimeout.set(function () {
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431 | setPaused(false);
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432 | }, interval || undefined);
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433 | }
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434 |
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435 | if (onTouchEnd) {
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436 | onTouchEnd(event);
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437 | }
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438 | }, [touch, pause, prev, next, touchUnpauseTimeout, interval, onTouchEnd]);
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439 | var shouldPlay = interval != null && !paused && !isSliding;
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440 | var intervalHandleRef = (0, _react.useRef)();
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441 | (0, _react.useEffect)(function () {
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442 | var _ref, _activeChildIntervalR;
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443 |
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444 | if (!shouldPlay) {
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445 | return undefined;
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446 | }
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447 |
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448 | intervalHandleRef.current = window.setInterval(document.visibilityState ? nextWhenVisible : next, (_ref = (_activeChildIntervalR = activeChildIntervalRef.current) != null ? _activeChildIntervalR : interval) != null ? _ref : undefined);
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449 | return function () {
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450 | if (intervalHandleRef.current !== null) {
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451 | clearInterval(intervalHandleRef.current);
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452 | }
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453 | };
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454 | }, [shouldPlay, next, activeChildIntervalRef, interval, nextWhenVisible]);
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455 | var indicatorOnClicks = (0, _react.useMemo)(function () {
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456 | return indicators && Array.from({
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457 | length: numChildren
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458 | }, function (_, index) {
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459 | return function (event) {
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460 | if (onSelect) {
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461 | onSelect(index, event);
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462 | }
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463 | };
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464 | });
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465 | }, [indicators, numChildren, onSelect]);
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466 | return _react.default.createElement(Component, (0, _extends2.default)({
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467 | ref: elementRef
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468 | }, props, {
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469 | onKeyDown: handleKeyDown,
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470 | onMouseOver: handleMouseOver,
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471 | onMouseOut: handleMouseOut,
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472 | onTouchStart: handleTouchStart,
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473 | onTouchMove: handleTouchMove,
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474 | onTouchEnd: handleTouchEnd,
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475 | className: (0, _classnames.default)(className, prefix, slide && 'slide', fade && prefix + "-fade")
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476 | }), indicators && _react.default.createElement("ol", {
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477 | className: prefix + "-indicators"
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478 | }, (0, _ElementChildren.map)(children, function (_child, index) {
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479 | return _react.default.createElement("li", {
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480 | key: index,
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481 | className: index === renderedActiveIndex ? 'active' : undefined,
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482 | onClick: indicatorOnClicks ? indicatorOnClicks[index] : undefined
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483 | });
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484 | })), _react.default.createElement("div", {
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485 | className: prefix + "-inner"
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486 | }, (0, _ElementChildren.map)(children, function (child, index) {
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487 | var isActive = index === renderedActiveIndex;
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488 | return slide ? _react.default.createElement(_Transition.default, {
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489 | in: isActive,
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490 | onEnter: isActive ? handleEnter : undefined,
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491 | onEntered: isActive ? handleEntered : undefined,
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492 | addEndListener: _transitionEnd.default
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493 | }, function (status) {
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494 | return _react.default.cloneElement(child, {
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495 | className: (0, _classnames.default)(child.props.className, isActive && status !== 'entered' && orderClassName, (status === 'entered' || status === 'exiting') && 'active', (status === 'entering' || status === 'exiting') && directionalClassName)
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496 | });
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497 | }) : _react.default.cloneElement(child, {
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498 | className: (0, _classnames.default)(child.props.className, isActive && 'active')
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499 | });
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500 | })), controls && _react.default.createElement(_react.default.Fragment, null, (wrap || activeIndex !== 0) && _react.default.createElement(_SafeAnchor.default, {
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501 | className: prefix + "-control-prev",
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502 | onClick: prev
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503 | }, prevIcon, prevLabel && _react.default.createElement("span", {
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504 | className: "sr-only"
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505 | }, prevLabel)), (wrap || activeIndex !== numChildren - 1) && _react.default.createElement(_SafeAnchor.default, {
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506 | className: prefix + "-control-next",
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507 | onClick: next
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508 | }, nextIcon, nextLabel && _react.default.createElement("span", {
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509 | className: "sr-only"
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510 | }, nextLabel))));
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511 | }
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512 |
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513 | var Carousel = _react.default.forwardRef(CarouselFunc);
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514 |
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515 | Carousel.displayName = 'Carousel';
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516 | Carousel.propTypes = propTypes;
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517 | Carousel.defaultProps = defaultProps;
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518 | Carousel.Caption = _CarouselCaption.default;
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519 | Carousel.Item = _CarouselItem.default;
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520 | var _default = Carousel;
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521 | exports.default = _default;
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522 | module.exports = exports["default"]; |
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