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  1. import _extends from "@babel/runtime/helpers/esm/extends";
  2. import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
  3. import _inheritsLoose from "@babel/runtime/helpers/esm/inheritsLoose";
  4. import contains from 'dom-helpers/contains';
  5. import React, { cloneElement, useCallback, useRef, useState } from 'react';
  6. import useTimeout from '@restart/hooks/useTimeout';
  7. import safeFindDOMNode from 'react-overlays/safeFindDOMNode';
  8. import warning from 'warning';
  9. import Overlay from './Overlay';
  10. var RefHolder = /*#__PURE__*/function (_React$Component) {
  11. _inheritsLoose(RefHolder, _React$Component);
  12. function RefHolder() {
  13. return _React$Component.apply(this, arguments) || this;
  14. }
  15. var _proto = RefHolder.prototype;
  16. _proto.render = function render() {
  17. return this.props.children;
  18. };
  19. return RefHolder;
  20. }(React.Component);
  21. function normalizeDelay(delay) {
  22. return delay && typeof delay === 'object' ? delay : {
  23. show: delay,
  24. hide: delay
  25. };
  26. } // Simple implementation of mouseEnter and mouseLeave.
  27. // React's built version is broken: https://github.com/facebook/react/issues/4251
  28. // for cases when the trigger is disabled and mouseOut/Over can cause flicker
  29. // moving from one child element to another.
  30. function handleMouseOverOut(handler, e, relatedNative) {
  31. var target = e.currentTarget;
  32. var related = e.relatedTarget || e.nativeEvent[relatedNative];
  33. if ((!related || related !== target) && !contains(target, related)) {
  34. handler(e);
  35. }
  36. }
  37. var defaultProps = {
  38. defaultShow: false,
  39. trigger: ['hover', 'focus']
  40. };
  41. function OverlayTrigger(_ref) {
  42. var trigger = _ref.trigger,
  43. overlay = _ref.overlay,
  44. children = _ref.children,
  45. _ref$popperConfig = _ref.popperConfig,
  46. popperConfig = _ref$popperConfig === void 0 ? {} : _ref$popperConfig,
  47. defaultShow = _ref.defaultShow,
  48. propsDelay = _ref.delay,
  49. placement = _ref.placement,
  50. _ref$flip = _ref.flip,
  51. flip = _ref$flip === void 0 ? placement && placement.indexOf('auto') !== -1 : _ref$flip,
  52. props = _objectWithoutPropertiesLoose(_ref, ["trigger", "overlay", "children", "popperConfig", "defaultShow", "delay", "placement", "flip"]);
  53. var triggerNodeRef = useRef(null);
  54. var timeout = useTimeout();
  55. var hoverStateRef = useRef();
  56. var _useState = useState(!!defaultShow),
  57. show = _useState[0],
  58. setShow = _useState[1];
  59. var delay = normalizeDelay(propsDelay);
  60. var child = React.Children.only(children);
  61. var _child$props = child.props,
  62. onFocus = _child$props.onFocus,
  63. onBlur = _child$props.onBlur,
  64. onClick = _child$props.onClick;
  65. var getTarget = useCallback(function () {
  66. return safeFindDOMNode(triggerNodeRef.current);
  67. }, []);
  68. var handleShow = useCallback(function () {
  69. timeout.clear();
  70. hoverStateRef.current = 'show';
  71. if (!delay.show) {
  72. setShow(true);
  73. return;
  74. }
  75. timeout.set(function () {
  76. if (hoverStateRef.current === 'show') setShow(true);
  77. }, delay.show);
  78. }, [delay.show, timeout]);
  79. var handleHide = useCallback(function () {
  80. timeout.clear();
  81. hoverStateRef.current = 'hide';
  82. if (!delay.hide) {
  83. setShow(false);
  84. return;
  85. }
  86. timeout.set(function () {
  87. if (hoverStateRef.current === 'hide') setShow(false);
  88. }, delay.hide);
  89. }, [delay.hide, timeout]);
  90. var handleFocus = useCallback(function (e) {
  91. handleShow(e);
  92. if (onFocus) onFocus(e);
  93. }, [handleShow, onFocus]);
  94. var handleBlur = useCallback(function (e) {
  95. handleHide(e);
  96. if (onBlur) onBlur(e);
  97. }, [handleHide, onBlur]);
  98. var handleClick = useCallback(function (e) {
  99. setShow(function (prevShow) {
  100. return !prevShow;
  101. });
  102. if (onClick) onClick(e);
  103. }, [onClick]);
  104. var handleMouseOver = useCallback(function (e) {
  105. handleMouseOverOut(handleShow, e, 'fromElement');
  106. }, [handleShow]);
  107. var handleMouseOut = useCallback(function (e) {
  108. handleMouseOverOut(handleHide, e, 'toElement');
  109. }, [handleHide]); // We add aria-describedby in the case where the overlay is a role="tooltip"
  110. // for other cases describedby isn't appropriate (e.g. a popover with inputs) so we don't add it.
  111. var ariaModifier = {
  112. name: 'ariaDescribedBy',
  113. enabled: true,
  114. phase: 'afterWrite',
  115. effect: function effect(_ref2) {
  116. var state = _ref2.state;
  117. return function () {
  118. state.elements.reference.removeAttribute('aria-describedby');
  119. };
  120. },
  121. fn: function fn(_ref3) {
  122. var state = _ref3.state;
  123. var _state$elements = state.elements,
  124. popper = _state$elements.popper,
  125. reference = _state$elements.reference;
  126. if (!show || !reference) return;
  127. var role = popper.getAttribute('role') || '';
  128. if (popper.id && role.toLowerCase() === 'tooltip') {
  129. reference.setAttribute('aria-describedby', popper.id);
  130. }
  131. }
  132. };
  133. var triggers = trigger == null ? [] : [].concat(trigger);
  134. var triggerProps = {};
  135. if (triggers.indexOf('click') !== -1) {
  136. triggerProps.onClick = handleClick;
  137. }
  138. if (triggers.indexOf('focus') !== -1) {
  139. triggerProps.onFocus = handleFocus;
  140. triggerProps.onBlur = handleBlur;
  141. }
  142. if (triggers.indexOf('hover') !== -1) {
  143. process.env.NODE_ENV !== "production" ? warning(triggers.length > 1, '[react-bootstrap] Specifying only the `"hover"` trigger limits the visibility of the overlay to just mouse users. Consider also including the `"focus"` trigger so that touch and keyboard only users can see the overlay as well.') : void 0;
  144. triggerProps.onMouseOver = handleMouseOver;
  145. triggerProps.onMouseOut = handleMouseOut;
  146. }
  147. return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement(RefHolder, {
  148. ref: triggerNodeRef
  149. }, cloneElement(child, triggerProps)), /*#__PURE__*/React.createElement(Overlay, _extends({}, props, {
  150. popperConfig: _extends({}, popperConfig, {
  151. modifiers: [ariaModifier].concat(popperConfig.modifiers || [])
  152. }),
  153. show: show,
  154. onHide: handleHide,
  155. target: getTarget,
  156. placement: placement,
  157. flip: flip
  158. }), overlay));
  159. }
  160. OverlayTrigger.defaultProps = defaultProps;
  161. export default OverlayTrigger;