props-to-state-react.js

gistfile1.txt

  componentWillReceiveProps(props) {
    const propsToCheck = [
      {prop: 'data', state: 'dataRows', path: 'data.dataRows'},
      {prop: 'count', state: 'count', path: 'data.dataCount'},
      {prop: 'selectedRowIds'}
    ];

    const nextState = _.chain(propsToCheck)
      .filter(it => this.props[it.prop] !== props[it.prop])
      .map(it => ([it.state || it.prop, _.get(props, it.path || it.prop)]))
      .fromPairs()
      .value();

    this.setState(nextState);
  }