Extending d3 drag behaviour to enable dragover detection

[Ahmed Fattah]

It seems that D3.drag supports drag but not "drop" i.e. it does not enable the generation of dragenter, dragleave and dragover events. I can get object created by D3 to listen to these events but cannot make a D3 object 'draggable' not access the drag event property. Is this because you disable the default dag behaviour?

Here's the code that demonstrate the above.
https://stackoverflow.com/questions/47318662/d3-support-for-dragenter-and-dragleave-events

I'd like to extend the d3 darg to enable elements created with d3 to generate the dragover, etc events but not sure how or if this would interfere with the current behaviour.

Thanks

[Mike Bostock]

d3-drag does not use the HTML Drag and Drop API; it just happens to have the same name. d3-drag only supports mouse and touch events at the moment.