TESTS NOT WORKING I'm sharing this in a half-baked state because it's too hard for me. I hope someone will pick it up. Some errors are easy to fix (like const that need to be changed to let), but the crux of the thing is understanding how d3-transition attaches itself to d3-selection, as well as fixing the issues with the d3-selection tests (see d3-selection https://github.com/d3/d3-selection/pull/276) and the d3-timer tests (https://github.com/d3/d3-timer/pull/46).
follow changes in d3-format:
TESTS NOT WORKING I'm sharing this in a half-baked state because it's too hard for me. I hope someone will pick it up. Some errors are easy to fix (like const that need to be changed to let), but the crux of the thing is understanding how d3-transition attaches itself to d3-selection, as well as fixing the issues with the d3-selection tests (see d3-selection https://github.com/d3/d3-selection/pull/276) and the d3-timer tests (https://github.com/d3/d3-timer/pull/46).
TODO: