Why are tooltips/legends ordered opposite to input data?

I haven’t been using Nivo long, so forgive my ignorance if the answer should be obvious.

The Nivo Line docs use input data that looks like this:

[
  { "id": "japan",   "data": [] },
  { "id": "france",  "data": [] },
  { "id": "us",      "data": [] },
  { "id": "germany", "data": [] },
  { "id": "norway",  "data": [] }
]

However, the legend on the right (and the tooltip, when setting enableSlices to x) reverses the input order, listing norway first.

Digging in, I found the useSlices hook currently includes a slicePoints.reverse() when building the array of points for each slice. I’m guessing that has something to do with it.

That .reverse() must have a purpose, but I can’t figure out what it is. Does it make more sense for other chart types? It’s not hard to reverse the input to get the desired legend/tooltip order, but just felt odd.

[bjarkehs]

I just experienced this as well. It seems rather counter intuitive especially given how some of the other graphs such as Bar does not reverse them.

[PeteTang]

Experienced this as well, It’s not hard to reverse the input to get the desired legend/tooltip order, but i have to also change the color of the graph to align with bar chart in the same page