antd-mobile/cjs/components/dropdown/dropdown.js

<div align="center">

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _ahooks = require("ahooks");
var _classnames = _interopRequireDefault(require("classnames"));
var _react = _interopRequireWildcard(require("react"));
var _nativeProps = require("../../utils/native-props");
var _usePropsValue = require("../../utils/use-props-value");
var _withDefaultProps = require("../../utils/with-default-props");
var _configProvider = require("../config-provider");
var _popup = _interopRequireDefault(require("../popup"));
var _popupBaseProps = require("../popup/popup-base-props");
var _context = require("./context");
var _item = require("./item");
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && 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; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const classPrefix = `adm-dropdown`;
const defaultProps = {
  defaultActiveKey: null,
  closeOnMaskClick: true,
  closeOnClickAway: false,
  getContainer: _popupBaseProps.defaultPopupBaseProps['getContainer']
};
const Dropdown = (0, _react.forwardRef)((props, ref) => {
  const {
    dropdown: componentConfig = {}
  } = (0, _configProvider.useConfig)();
  const mergedProps = (0, _withDefaultProps.mergeProps)(defaultProps, componentConfig, props);
  const arrowIcon = (0, _withDefaultProps.mergeProp)(componentConfig.arrowIcon, props.arrow, props.arrowIcon);
  const [value, setValue] = (0, _usePropsValue.usePropsValue)({
    value: mergedProps.activeKey,
    defaultValue: mergedProps.defaultActiveKey,
    onChange: mergedProps.onChange
  });
  const navRef = (0, _react.useRef)(null);
  const contentRef = (0, _react.useRef)(null);
  // 点击外部区域，关闭
  (0, _ahooks.useClickAway)(() => {
    if (!mergedProps.closeOnClickAway) return;
    setValue(null);
  }, [navRef, contentRef]);
  // 计算 navs 的 top 值
  const [top, setTop] = (0, _react.useState)();
  const containerRef = (0, _react.useRef)(null);
  (0, _react.useEffect)(() => {
    const container = containerRef.current;
    if (!container) return;
    if (value) {
      const rect = container.getBoundingClientRect();
      setTop(rect.bottom);
    }
  }, [value]);
  const changeActive = key => {
    if (value === key) {
      setValue(null);
    } else {
      setValue(key);
    }
  };
  let popupForceRender = false;
  const items = [];
  const navs = _react.default.Children.map(mergedProps.children, child => {
    if ((0, _react.isValidElement)(child)) {
      const childProps = Object.assign(Object.assign({}, child.props), {
        onClick: event => {
          var _a, _b;
          changeActive(child.key);
          (_b = (_a = child.props).onClick) === null || _b === void 0 ? void 0 : _b.call(_a, event);
        },
        active: child.key === value
      });
      items.push(child);
      if (child.props.forceRender) popupForceRender = true;
      return (0, _react.cloneElement)(child, childProps);
    } else {
      return child;
    }
  });
  (0, _react.useImperativeHandle)(ref, () => ({
    close: () => {
      setValue(null);
    }
  }), [setValue]);
  return (0, _nativeProps.withNativeProps)(mergedProps, _react.default.createElement("div", {
    className: (0, _classnames.default)(classPrefix, {
      [`${classPrefix}-open`]: !!value
    }),
    ref: containerRef
  }, _react.default.createElement(_context.IconContext.Provider, {
    value: arrowIcon
  }, _react.default.createElement("div", {
    className: `${classPrefix}-nav`,
    ref: navRef
  }, navs)), _react.default.createElement(_popup.default, {
    visible: !!value,
    position: 'top',
    getContainer: mergedProps.getContainer,
    className: `${classPrefix}-popup`,
    maskClassName: `${classPrefix}-popup-mask`,
    bodyClassName: `${classPrefix}-popup-body`,
    style: {
      top
    },
    forceRender: popupForceRender,
    onMaskClick: mergedProps.closeOnMaskClick ? () => {
      changeActive(null);
    } : undefined
  }, _react.default.createElement("div", {
    ref: contentRef
  }, items.map(item => {
    const isActive = item.key === value;
    return _react.default.createElement(_item.ItemChildrenWrap, {
      key: item.key,
      active: isActive,
      forceRender: item.props.forceRender,
      destroyOnClose: item.props.destroyOnClose
    }, item.props.children);
  })))));
});
var _default = Dropdown;
exports.default = _default;