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  • I'm getting the error of [Cannot read property 'force' of undefined]. I made sure that the height and width within the simulation line has valid values which is does. I tried logging the result of the d3.forceCenter function, and it returns another function. Is there something that I'm missing? It seems so close, but I can't figure out where I'm going wrong. Any suggestions? Commented May 14, 2020 at 20:35
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    Your Blockbuilder example doesn't have a simulation variable like the lwc-recipes example. Not sure that part is needed since a tree grid would probably stay vertically aligned at the top anyway. Have you tried removing that line and seeing what happens? Commented May 14, 2020 at 20:44
  • Yeah, realized that as well after posting. Removed it and it's working for the most part, except for some tweaks that I need to make. Thank you so much! Commented May 14, 2020 at 20:47
  • one last question. The last function that I am trying to add the snippet of code to set the svg height is a toggle function. So as a result I am getting the expanded svg height when its collapsing and the collapsed svg height when its expanding. Any suggestions? Commented May 14, 2020 at 21:38
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    I was able to get it to work. I needed to have the height determination function near the start of the function that was getting called last. I also needed to wrap it in a Math.max() to get the greatest either from the getBBox() or from the calculation determining the size of all the rectangle elements holding the different values (nodes.length * barHeight + margin.top + margin.bottom). Once I did that it worked perfectly! Thank you for the help! Commented May 18, 2020 at 12:25