accessible-react-tabs/es/Tab.js

Accessible tab component for React

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; }

import React from 'react';

var Tab = function (_React$Component) {
  _inherits(Tab, _React$Component);

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

    var _this = _possibleConstructorReturn(this, _React$Component.call(this, props));

    _this.state = {
      expanded: _this.props.index === _this.props.selectedIndex,
      selected: _this.props.index === _this.props.selectedIndex
    };

    if (_this.props.index === _this.props.selectedIndex && _this.props.callback) {
      _this.props.callback();
    }
    return _this;
  }

  Tab.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
    this.setState({
      expanded: this.props.index === nextProps.selectedIndex,
      selected: this.props.index === nextProps.selectedIndex
    });
  };

  Tab.prototype.render = function render() {
    var _this2 = this;

    return React.createElement(
      "button",
      {
        role: "tab", id: "tab-" + this.props.index,
        className: this.props.index === this.props.selectedIndex ? 'dz0-tab is-selected' : 'dz0-tab',
        "aria-selected": this.state.selected,
        "aria-expanded": this.state.expanded,
        "aria-controls": "tabpanel-" + this.props.index,
        tabIndex: this.props.selectedIndex === this.props.index ? '0' : -1,
        onClick: function onClick(event) {
          return _this2.props.onClick(event, _this2.props.index);
        },
        onKeyDown: function onKeyDown(event) {
          return _this2.props.onKeyDown(event, _this2.props.index);
        } },
      this.props.label
    );
  };

  return Tab;
}(React.Component);

export default Tab;