d3 sankey chart transition not happening on new data

[useitf...@gmail.com]

    Trying to update the content of d3 sankey chart on mouse click. The new nodes and links are not getting updated. Below is the code and any inputs to fix it would be great.

    

    The new nodes and links remains the same, if its updated with new nodes and links for the new set of data.

    

    Link to the jsfiddle     

    https://jsfiddle.net/1onlbirt/L29u04pf/6/