1 | "use strict";
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2 |
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3 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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4 |
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5 | exports.__esModule = true;
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6 | exports.default = usePopperMarginModifiers;
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7 |
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8 | var _react = require("react");
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9 |
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10 | var _hasClass = _interopRequireDefault(require("dom-helpers/hasClass"));
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11 |
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12 | var _ThemeProvider = require("./ThemeProvider");
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13 |
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14 | function getMargins(element) {
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15 | var styles = window.getComputedStyle(element);
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16 | var top = parseFloat(styles.marginTop) || 0;
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17 | var right = parseFloat(styles.marginRight) || 0;
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18 | var bottom = parseFloat(styles.marginBottom) || 0;
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19 | var left = parseFloat(styles.marginLeft) || 0;
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20 | return {
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21 | top: top,
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22 | right: right,
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23 | bottom: bottom,
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24 | left: left
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25 | };
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26 | }
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27 |
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28 | function usePopperMarginModifiers() {
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29 | var overlayRef = (0, _react.useRef)(null);
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30 | var margins = (0, _react.useRef)(null);
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31 | var arrowMargins = (0, _react.useRef)(null);
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32 | var popoverClass = (0, _ThemeProvider.useBootstrapPrefix)(undefined, 'popover');
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33 | var dropdownMenuClass = (0, _ThemeProvider.useBootstrapPrefix)(undefined, 'dropdown-menu');
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34 | var callback = (0, _react.useCallback)(function (overlay) {
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35 | if (!overlay || !((0, _hasClass.default)(overlay, popoverClass) || (0, _hasClass.default)(overlay, dropdownMenuClass))) return;
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36 | margins.current = getMargins(overlay);
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37 | overlay.style.margin = '0';
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38 | overlayRef.current = overlay;
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39 | }, [popoverClass, dropdownMenuClass]);
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40 | var offset = (0, _react.useMemo)(function () {
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41 | return {
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42 | name: 'offset',
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43 | options: {
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44 | offset: function offset(_ref) {
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45 | var placement = _ref.placement;
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46 | if (!margins.current) return [0, 0];
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47 | var _margins$current = margins.current,
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48 | top = _margins$current.top,
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49 | left = _margins$current.left,
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50 | bottom = _margins$current.bottom,
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51 | right = _margins$current.right;
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52 |
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53 | switch (placement.split('-')[0]) {
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54 | case 'top':
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55 | return [0, bottom];
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56 |
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57 | case 'left':
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58 | return [0, right];
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59 |
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60 | case 'bottom':
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61 | return [0, top];
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62 |
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63 | case 'right':
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64 | return [0, left];
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65 |
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66 | default:
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67 | return [0, 0];
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68 | }
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69 | }
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70 | }
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71 | };
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72 | }, [margins]);
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73 | var arrow = (0, _react.useMemo)(function () {
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74 | return {
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75 | name: 'arrow',
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76 | options: {
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77 | padding: function padding() {
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78 |
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79 |
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80 | if (!arrowMargins.current) {
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81 | return 0;
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82 | }
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83 |
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84 | var _arrowMargins$current = arrowMargins.current,
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85 | top = _arrowMargins$current.top,
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86 | right = _arrowMargins$current.right;
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87 | var padding = top || right;
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88 | return {
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89 | top: padding,
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90 | left: padding,
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91 | right: padding,
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92 | bottom: padding
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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 | }, [arrowMargins]);
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98 |
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99 | var popoverArrowMargins = (0, _react.useMemo)(function () {
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100 | return {
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101 | name: 'popoverArrowMargins',
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102 | enabled: true,
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103 | phase: 'main',
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104 | fn: function fn() {
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105 | return undefined;
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106 | },
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107 | requiresIfExists: ['arrow'],
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108 | effect: function effect(_ref2) {
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109 | var state = _ref2.state;
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110 |
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111 | if (!overlayRef.current || !state.elements.arrow || !(0, _hasClass.default)(overlayRef.current, popoverClass)) {
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112 | return undefined;
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113 | }
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114 |
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115 | if (state.modifiersData['arrow#persistent']) {
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116 |
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117 | var _getMargins = getMargins(state.elements.arrow),
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118 | top = _getMargins.top,
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119 | right = _getMargins.right;
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120 |
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121 | var padding = top || right;
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122 | state.modifiersData['arrow#persistent'].padding = {
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123 | top: padding,
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124 | left: padding,
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125 | right: padding,
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126 | bottom: padding
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127 | };
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128 | } else {
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129 |
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130 |
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131 |
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132 | arrowMargins.current = getMargins(state.elements.arrow);
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133 | }
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134 |
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135 | state.elements.arrow.style.margin = '0';
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136 | return function () {
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137 | if (state.elements.arrow) state.elements.arrow.style.margin = '';
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138 | };
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139 | }
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140 | };
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141 | }, [popoverClass]);
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142 | return [callback, [offset, arrow, popoverArrowMargins]];
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143 | }
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144 |
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145 | module.exports = exports["default"]; |
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