pure-styled-components/lib/components/Menu/Item.js

Styled Component design system based on Pure CSS for React/Preact

function _templateObject() {
  var data = _taggedTemplateLiteral(["\n  position: relative;\n  padding: 0;\n  margin: 0;\n  height: 100%;\n\n  & .link:hover,\n  & .link:focus {\n    text-decoration: none;\n    background-color: #eee;\n  }\n  & .link {\n    display: block;\n    text-decoration: none;\n    white-space: nowrap;\n\n    color: #777;\n    padding: 0.5em 1em;\n  }\n\n  ", "\n\n  ", "\n\n  ", "\n\n  ", "\n\n    /* CSS fallback to display nested dropdowns on hover */\n    :active > .dropdown,\n    :focus > .dropdown,\n    :hover > .dropdown {\n        display: block;\n        position: absolute;\n    }\n\n    /* Horizontal Menus - show the dropdown arrow */\n    ", "\n    ", "\n    \n"]);

  _templateObject = function _templateObject() {
    return data;
  };

  return data;
}

function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import React, { PureComponent } from "react";
import PropTypes from "prop-types";
import styled from "styled-components";
import addPropsToComponent from "../../utils/addPropsToComponent";
import Dropdown from "./Dropdown";

var dropdownArrow = function dropdownArrow(isHorizontal, isDropdown) {
  if (isHorizontal && isDropdown) {
    return "\n      & .link:after {\n        content: \"\\25BE\";\n      }\n    ";
  }

  return "";
};

var scrollableMenu = function scrollableMenu(isScrollable) {
  if (isScrollable) {
    return "\n      overflow-y: scroll;\n      overflow-x: hidden;\n\n      & .list {\n        display: block;\n      }\n    ";
  }

  return "";
};

var BaseItem =
/*#__PURE__*/
function (_PureComponent) {
  _inherits(BaseItem, _PureComponent);

  function BaseItem(props) {
    var _this;

    _classCallCheck(this, BaseItem);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(BaseItem).call(this, props));

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "handleDropdown", function (e) {
      var active = _this.state.active;

      _this.setState({
        active: !active
      });
    });

    _defineProperty(_assertThisInitialized(_assertThisInitialized(_this)), "renderDropdown", function () {
      var children = _this.props.children;
      var active = _this.state.active;
      /**
       * Find Dropdown components and add active state as prop
       */

      var propsToAdd = {
        active: active
      };
      var elements = addPropsToComponent(children, Dropdown, propsToAdd);

      if (!elements) {
        return null;
      }

      return elements;
    });

    _this.state = {
      active: false
    };
    return _this;
  }
  /**
   * Toggles active state of dropdown
   *
   * @memberof BaseItem
   * @private
   */


  _createClass(BaseItem, [{
    key: "render",
    value: function render() {
      var _this$props = this.props,
          className = _this$props.className,
          classes = _this$props.classes;
      return React.createElement("li", {
        className: "".concat(className, " ").concat(classes),
        onMouseEnter: this.handleDropdown,
        onMouseLeave: this.handleDropdown,
        onFocus: this.handleDropdown,
        onBlur: this.handleDropdown
      }, this.renderDropdown());
    }
  }]);

  return BaseItem;
}(PureComponent);

BaseItem.propTypes = {
  /**
   * Class provided by Styled Components
   */
  className: PropTypes.string.isRequired,

  /**
   * Additional classes to append to className
   */
  classes: PropTypes.string,

  /**
   * Child components (array or single element)
   */
  children: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.node), PropTypes.node]).isRequired
};
BaseItem.defaultProps = {
  classes: ""
};
var Item = styled(BaseItem)(_templateObject(), function (props) {
  return props.active ? "\n    & .link {\n      background-color: #eee;\n    }" : "";
}, function (props) {
  return props.disabled ? "\n    padding: .5em 1em;\n    opacity: .5;\n    & .link {\n      background-color: transparent;\n    }" : "";
}, function (props) {
  return props.dropdown ? "\n    padding: .5em 1em;\n    opacity: .5;\n    & .link {\n      background-color: transparent;\n    }\n    & .link:after {\n      padding-left: 0.5em;\n      content: \"\\25B8\";\n      font-size: small;\n    }" : "";
}, function (props) {
  return props.selected ? "\n    & > .link,\n    & > .link:visited {\n        color: #000;\n    }" : "";
}, function (props) {
  return dropdownArrow(props.horizontal, props.dropdown);
}, function (props) {
  return scrollableMenu(props.scrollable);
});
Item.propTypes = {
  /**
   * Makes links appear active
   */
  active: PropTypes.boolean,

  /**
   * Extra class names to append to element
   */
  classes: PropTypes.string,

  /**
   * Makes links appear disabled
   */
  disabled: PropTypes.boolean,

  /**
   * Adds necessary CSS for a nested Dropdown component
   */
  dropdown: PropTypes.boolean,

  /**
   * Makes links appear selected
   */
  selected: PropTypes.boolean
};
/** @component */

export default Item;
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