I ended up hand crafting my svg graphs for non.io for many of the same reasons. I originally was looking around at 3rd party libraries, but one of my goals with the site was to use as few external libraries as possible. I made an attempt at dynamically generating the svg points myself, and found it incredibly easy.

For context, here's the 22 lines of code it took to create a simple svg graph: https://github.com/jjcm/soci-frontend/blob/master/components...

And here's the final output: https://non.io/Animation-example