@salesforce/design-system-react/module/components/radio-button-group/index.js

Salesforce Lightning Design System for React

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/* Copyright (c) 2015-present, salesforce.com, inc. All rights reserved */

/* Licensed under BSD 3-Clause - see LICENSE.txt or git.io/sfdc-license */
// Implements the [Radio Button Group design pattern](https://lightningdesignsystem.com/components/radio-button-group/) in React.
// Based on SLDS v2.5.0
import React from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import shortid from 'shortid';
import assign from 'lodash.assign';
import { RADIO_BUTTON_GROUP } from '../../utilities/constants';
var propTypes = {
  /**
   * **Assistive text for accessibility**
   * * `label`: This label appears in the legend.
   */
  assistiveText: PropTypes.shape({
    label: PropTypes.string
  }),

  /**
   * Children are expected to be Radio components.
   */
  children: PropTypes.node.isRequired,

  /**
   * Custom CSS classes added to `slds-radio_button-group` node.
   */
  className: PropTypes.oneOfType([PropTypes.array, PropTypes.object, PropTypes.string]),

  /**
   * **Text labels for internationalization**
   * This object is merged with the default props object on every render.
   * * `error`: Message to display when any of Checkboxes are in an error state.
   * * `label`: This label appears above the button group.
   */
  labels: PropTypes.shape({
    error: PropTypes.string,
    label: PropTypes.string
  }),

  /**
   * This event fires when the radio selection changes.
   */
  onChange: PropTypes.func,

  /**
   * Disable all radio inputs.
   */
  disabled: PropTypes.bool,

  /**
   * Adds an indicator that this field is required.
   */
  required: PropTypes.bool,

  /**
   * The name of this radio group.
   */
  name: PropTypes.string,

  /**
   * The ID of the error message, for linking to radio inputs with aria-describedby.
   */
  errorId: PropTypes.string
};
var defaultProps = {
  labels: {},
  assistiveText: {}
};
/**
 * A styled select list that can have a single entry checked at any one time.
 * The RadioButtonGroup component wraps [Radio](/components/radios) components, which should be used as children.
 */

var RadioButtonGroup =
/*#__PURE__*/
function (_React$Component) {
  _inherits(RadioButtonGroup, _React$Component);

  function RadioButtonGroup(props) {
    var _this;

    _classCallCheck(this, RadioButtonGroup);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(RadioButtonGroup).call(this, props)); // Merge objects of strings with their default object

    _this.labels = _this.props.labels ? assign({}, defaultProps.labels, _this.props.labels) : defaultProps.labels;
    _this.generatedName = shortid.generate();
    _this.generatedErrorId = _this.labels.error ? shortid.generate() : null;
    return _this;
  }

  _createClass(RadioButtonGroup, [{
    key: "getErrorId",
    value: function getErrorId() {
      if (this.hasError()) {
        return this.props.errorId || this.generatedErrorId;
      }

      return undefined;
    }
  }, {
    key: "getName",
    value: function getName() {
      return this.props.name || this.generatedName;
    }
  }, {
    key: "hasError",
    value: function hasError() {
      return !!this.labels.error;
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var children = React.Children.map(this.props.children, function (child) {
        return React.cloneElement(child, {
          name: _this2.getName(),
          onChange: _this2.props.onChange,
          'aria-describedby': _this2.getErrorId(),
          disabled: _this2.props.disabled
        });
      });
      return React.createElement("fieldset", {
        className: classNames('slds-form-element', {
          'slds-has-error': this.labels.error
        })
      }, React.createElement("legend", {
        className: classNames('slds-form-element__legend', 'slds-form-element__label', this.props.assistiveText.label ? 'slds-assistive-text' : '')
      }, this.props.required ? React.createElement("abbr", {
        className: "slds-required",
        title: "required"
      }, "*") : null, this.props.assistiveText.label ? this.props.assistiveText.label : this.labels.label), React.createElement("div", {
        className: classNames('slds-form-element__control', this.props.className)
      }, React.createElement("div", {
        style: this.props.style,
        className: "slds-radio_button-group"
      }, children), this.labels.error ? React.createElement("div", {
        id: this.getErrorId(),
        className: "slds-form-element__help"
      }, this.labels.error) : null));
    }
  }]);

  return RadioButtonGroup;
}(React.Component);

RadioButtonGroup.displayName = RADIO_BUTTON_GROUP;
RadioButtonGroup.propTypes = propTypes;
RadioButtonGroup.defaultProps = defaultProps;
export default RadioButtonGroup;
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