preact-arco-design/es/Dropdown/index.js

Arco Design React UI Library.

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var __values = this && this.__values || function (o) {
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var __spreadArray = this && this.__spreadArray || function (to, from, pack) {
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};

import React, { useContext, useRef } from "preact/compat";
import Trigger, { EventsByTriggerNeed } from "../Trigger";
import Button from "./button";
import { ConfigContext } from "../ConfigProvider";
import cs from "../_util/classNames";
import useMergeValue from "../_util/hooks/useMergeValue";
import omit from "../_util/omit";
import pick from "../_util/pick";
import useMergeProps from "../_util/hooks/useMergeProps";
var defaultProps = {
  position: 'bl',
  trigger: 'hover',
  unmountOnExit: true
};

function Dropdown(baseProps, _) {
  var _a;

  var _b = useContext(ConfigContext),
      getPrefixCls = _b.getPrefixCls,
      componentConfig = _b.componentConfig,
      rtl = _b.rtl;

  var props = useMergeProps(baseProps, defaultProps, componentConfig === null || componentConfig === void 0 ? void 0 : componentConfig.Button);

  var trigger = props.trigger,
      droplist = props.droplist,
      children = props.children,
      position = props.position,
      disabled = props.disabled,
      unmountOnExit = props.unmountOnExit,
      triggerProps = props.triggerProps,
      getPopupContainer = props.getPopupContainer,
      onVisibleChange = props.onVisibleChange,
      rest = __rest(props, ["trigger", "droplist", "children", "position", "disabled", "unmountOnExit", "triggerProps", "getPopupContainer", "onVisibleChange"]);

  var prefixCls = getPrefixCls('dropdown');
  var triggerRef = useRef(null);

  var _c = __read(useMergeValue(false, {
    defaultValue: props.defaultPopupVisible,
    value: props.popupVisible
  }), 2),
      popupVisible = _c[0],
      setPopupVisible = _c[1];

  var getPopupContent = function getPopupContent() {
    return React.Children.only(droplist || React.createElement("span", null));
  };

  var changePopupVisible = function changePopupVisible(visible) {
    setPopupVisible(visible);
    onVisibleChange && onVisibleChange(visible);
    triggerProps && triggerProps.onVisibleChange && triggerProps.onVisibleChange(visible);
  };

  var handleVisibleChange = function handleVisibleChange(visible) {
    if (visible !== popupVisible) {
      changePopupVisible(visible);
    }
  };

  var renderPopup = function renderPopup() {
    var e_1, _a, _b;

    var _c;

    var content = getPopupContent();

    if ((_c = content === null || content === void 0 ? void 0 : content.props) === null || _c === void 0 ? void 0 : _c.isMenu) {
      var isEmpty = true;

      try {
        for (var _d = __values(React.Children.toArray(content.props.children)), _e = _d.next(); !_e.done; _e = _d.next()) {
          var child = _e.value;

          if (child !== null && child !== undefined) {
            isEmpty = false;
            break;
          }
        }
      } catch (e_1_1) {
        e_1 = {
          error: e_1_1
        };
      } finally {
        try {
          if (_e && !_e.done && (_a = _d.return)) _a.call(_d);
        } finally {
          if (e_1) throw e_1.error;
        }
      }

      return React.cloneElement(content, {
        prefixCls: cs("".concat(prefixCls, "-menu"), (_b = {}, _b["".concat(prefixCls, "-menu-hidden")] = isEmpty, _b)),
        inDropdown: true,
        selectable: false,
        onClickMenuItem: function onClickMenuItem() {
          var _a;

          var args = [];

          for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
          }

          var returnValueOfOnClickMenuItem = null; // Trigger onClickMenuItem first

          var content = getPopupContent();

          if (content.props.onClickMenuItem) {
            returnValueOfOnClickMenuItem = (_a = content.props).onClickMenuItem.apply(_a, __spreadArray([], __read(args), false));
          } // Set focus to avoid onblur


          var child = triggerRef.current && triggerRef.current.getRootElement();
          child && child.focus && child.focus(); // Trigger onVisibleChange. Outer component can determine whether to change the state based on the current visibility value.

          if (returnValueOfOnClickMenuItem instanceof Promise) {
            returnValueOfOnClickMenuItem.finally(function () {
              return changePopupVisible(false);
            });
          } else if (returnValueOfOnClickMenuItem !== false) {
            changePopupVisible(false);
          }
        }
      });
    }

    return content;
  };

  return React.createElement(Trigger, __assign({
    ref: function ref(_ref) {
      return triggerRef.current = _ref;
    },
    classNames: "slideDynamicOrigin",
    childrenPrefix: prefixCls,
    trigger: trigger,
    popup: renderPopup,
    mouseEnterDelay: 400,
    mouseLeaveDelay: 400,
    disabled: disabled,
    unmountOnExit: unmountOnExit,
    position: position,
    popupVisible: popupVisible,
    popupAlign: {
      left: 4,
      right: 4,
      top: 4,
      bottom: 4
    },
    getPopupContainer: getPopupContainer,
    alignPoint: trigger === 'contextMenu'
  }, pick(rest, EventsByTriggerNeed), omit(triggerProps, ['onVisibleChange']), {
    onVisibleChange: handleVisibleChange
  }), React.isValidElement(children) ? React.cloneElement(children, __assign(__assign({}, typeof disabled === 'boolean' ? {
    disabled: disabled
  } : {}), {
    className: cs((_a = {}, _a["".concat(prefixCls, "-popup-visible")] = popupVisible, _a["".concat([prefixCls], "-rtl")] = rtl, _a), children.props.className)
  })) : children);
}

var ForwardRefDropdown = React.forwardRef(Dropdown);
var DropdownComponent = ForwardRefDropdown;
DropdownComponent.displayName = 'Dropdown';
DropdownComponent.Button = Button;
export default DropdownComponent;