rc-select/lib/util.js

select ui component for react

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports.getValuePropValue = getValuePropValue;
exports.getPropValue = getPropValue;
exports.isCombobox = isCombobox;
exports.isMultipleOrTags = isMultipleOrTags;
exports.isMultipleOrTagsOrCombobox = isMultipleOrTagsOrCombobox;
exports.isSingleMode = isSingleMode;
exports.toArray = toArray;
exports.getSelectKeys = getSelectKeys;

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _rcMenu = require('rc-menu');

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

function getValuePropValue(child) {
  var props = child.props;
  if ('value' in props) {
    return props.value;
  }
  if (child.key) {
    return child.key;
  }
  throw new Error('no key or value for ' + child);
}

function getPropValue(child, prop) {
  if (prop === 'value') {
    return getValuePropValue(child);
  }
  return child.props[prop];
}

function isCombobox(props) {
  return props.combobox;
}

function isMultipleOrTags(props) {
  return props.multiple || props.tags;
}

function isMultipleOrTagsOrCombobox(props) {
  return isMultipleOrTags(props) || isCombobox(props);
}

function isSingleMode(props) {
  return !isMultipleOrTagsOrCombobox(props);
}

function toArray(value) {
  var ret = value;
  if (value === undefined) {
    ret = [];
  } else if (!Array.isArray(value)) {
    ret = [value];
  }
  return ret;
}

function getSelectKeys(menuItems, value) {
  if (value === null || value === undefined) {
    return [];
  }
  var selectedKeys = [];
  _react2['default'].Children.forEach(menuItems, function (item) {
    if (item.type === _rcMenu.ItemGroup) {
      selectedKeys = selectedKeys.concat(getSelectKeys(item.props.children, value));
    } else {
      var itemValue = getValuePropValue(item);
      var itemKey = item.key;
      if (value.indexOf(itemValue) !== -1 && itemKey) {
        selectedKeys.push(itemKey);
      }
    }
  });
  return selectedKeys;
}