react-accessible-tabs/lib/components/Tab.js

Accessible React tabs component

'use strict';

exports.__esModule = true;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

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

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

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Tab = function (_Component) {
    _inherits(Tab, _Component);

    function Tab() {
        _classCallCheck(this, Tab);

        return _possibleConstructorReturn(this, _Component.apply(this, arguments));
    }

    Tab.prototype.componentDidUpdate = function componentDidUpdate() {
        var _props = this.props;
        var id = _props.id;
        var index = _props.index;
        var userInvokedSelection = _props.userInvokedSelection;
        var selectedIndex = _props.selectedIndex;
        var resetUserInvokedSelection = _props.resetUserInvokedSelection;

        var isSelected = index === selectedIndex;

        if (userInvokedSelection && isSelected && this.refs[id]) {
            this.refs[id].focus();
            resetUserInvokedSelection();
        }
    };

    Tab.prototype.render = function render() {
        var _props2 = this.props;
        var id = _props2.id;
        var index = _props2.index;
        var label = _props2.label;
        var selectedIndex = _props2.selectedIndex;
        var _onClick = _props2.onClick;
        var _onKeyDown = _props2.onKeyDown;

        var isSelected = index === selectedIndex;
        var className = (0, _classnames2.default)('tabs__trigger', { 'is-selected': isSelected });

        return _react2.default.createElement(
            'li',
            { className: 'tabs__tab-list-item', role: 'presentation' },
            _react2.default.createElement(
                'a',
                {
                    ref: id,
                    'aria-controls': id,
                    'aria-selected': isSelected,
                    className: className,
                    href: '#' + id,
                    role: 'tab',
                    tabIndex: isSelected ? 0 : -1,
                    onClick: function onClick(e) {
                        return _onClick(e, index);
                    },
                    onKeyDown: function onKeyDown(e) {
                        return _onKeyDown(e);
                    }
                },
                label
            )
        );
    };

    return Tab;
}(_react.Component);

process.env.NODE_ENV !== "production" ? Tab.propTypes = {
    id: _propTypes2.default.string,
    index: _propTypes2.default.number,
    label: _propTypes2.default.string,
    selectedIndex: _propTypes2.default.number,
    onClick: _propTypes2.default.func,
    onKeyDown: _propTypes2.default.func
} : void 0;

exports.default = Tab;
module.exports = exports['default'];