Without generateProps.js

class MyContainer extends Component {
  state = {
    itemA: 'something',
    itemB: 'another thing'
  }

  _onPress = () => {
    // ...
  }
  
  _onPinch = () => {
    // ...
  }
  
  render () {
    return (
      <MyComponent
       propA={this.props.propA}
       propB={this.props.propB}
       itemA={this.state.itemA}
       itemB={this.state.itemB}
       onPress={this._onPress}
       onPinch={this._onPinch}
      />
    )
  }
}