Function constructor

src/Pagination.js:11–17

(props)

class Pagination extends Component {
  constructor (props) {
    super(props);
    this.state = {
      index: props.index
    };
    this.setInput = this.setInput.bind(this);
  }

  componentWillReceiveProps (nextProps) {
    if (nextProps.index !== this.props.index) {