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天文台pc/tianwentai-ui/node_modules/react-popper/lib/cjs/Popper.js 3.66 KB
bc518174   王天杨   提交两个项目文件
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Popper = Popper;
  
  var React = _interopRequireWildcard(require("react"));
  
  var _Manager = require("./Manager");
  
  var _utils = require("./utils");
  
  var _usePopper2 = require("./usePopper");
  
  function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }
  
  function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
  
  var NOOP = function NOOP() {
    return void 0;
  };
  
  var NOOP_PROMISE = function NOOP_PROMISE() {
    return Promise.resolve(null);
  };
  
  var EMPTY_MODIFIERS = [];
  
  function Popper(_ref) {
    var _ref$placement = _ref.placement,
        placement = _ref$placement === void 0 ? 'bottom' : _ref$placement,
        _ref$strategy = _ref.strategy,
        strategy = _ref$strategy === void 0 ? 'absolute' : _ref$strategy,
        _ref$modifiers = _ref.modifiers,
        modifiers = _ref$modifiers === void 0 ? EMPTY_MODIFIERS : _ref$modifiers,
        referenceElement = _ref.referenceElement,
        onFirstUpdate = _ref.onFirstUpdate,
        innerRef = _ref.innerRef,
        children = _ref.children;
    var referenceNode = React.useContext(_Manager.ManagerReferenceNodeContext);
  
    var _React$useState = React.useState(null),
        popperElement = _React$useState[0],
        setPopperElement = _React$useState[1];
  
    var _React$useState2 = React.useState(null),
        arrowElement = _React$useState2[0],
        setArrowElement = _React$useState2[1];
  
    React.useEffect(function () {
      (0, _utils.setRef)(innerRef, popperElement);
    }, [innerRef, popperElement]);
    var options = React.useMemo(function () {
      return {
        placement: placement,
        strategy: strategy,
        onFirstUpdate: onFirstUpdate,
        modifiers: [].concat(modifiers, [{
          name: 'arrow',
          enabled: arrowElement != null,
          options: {
            element: arrowElement
          }
        }])
      };
    }, [placement, strategy, onFirstUpdate, modifiers, arrowElement]);
  
    var _usePopper = (0, _usePopper2.usePopper)(referenceElement || referenceNode, popperElement, options),
        state = _usePopper.state,
        styles = _usePopper.styles,
        forceUpdate = _usePopper.forceUpdate,
        update = _usePopper.update;
  
    var childrenProps = React.useMemo(function () {
      return {
        ref: setPopperElement,
        style: styles.popper,
        placement: state ? state.placement : placement,
        hasPopperEscaped: state && state.modifiersData.hide ? state.modifiersData.hide.hasPopperEscaped : null,
        isReferenceHidden: state && state.modifiersData.hide ? state.modifiersData.hide.isReferenceHidden : null,
        arrowProps: {
          style: styles.arrow,
          ref: setArrowElement
        },
        forceUpdate: forceUpdate || NOOP,
        update: update || NOOP_PROMISE
      };
    }, [setPopperElement, setArrowElement, placement, state, styles, update, forceUpdate]);
    return (0, _utils.unwrapArray)(children)(childrenProps);
  }