Adding renderHeader prop to component about react-native-sortable-grid HOT 1 OPEN

this.state = {
   ...
  headerHeight: 0,
}

_animateGridHeight = () => {
    this.gridHeightTarget = this.props.renderHeader ? (this.rows * this.state.blockWidth) + 
    this.state.headerHeight + this.state.blockWidth : this.rows * this.state.blockWidth
    ....
}

    render = () =>
        <Animated.View
          style={ this._getGridStyle() }
          onLayout={ this.assessGridSize }
        >

          <View onLayout={ (e) => this.setState({ headerHeight: e.nativeEvent.layout.height }) }>
            { this.props.renderHeader && this.props.renderHeader() }
          </View>

         ....

        </Animated.View>