color links with gradients in Sankey plots
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- Dominant language
- JavaScript
- Stars
- 18.3k
- Forks
- 2k
- Avg merge
- 2d 12h
- Merged PRs (30d)
- 28
Description
Hi,
I was looking for adding gradient to sankey links. I would like to reproduce a diagram like this:

I'm highly interested in such an option for R, because I'm a developer of Shiny apps. At the moment, it would be sufficient for me to know a workaround solution, for example custom JS code I could use to add gradients after a sankey diagram is already rendered.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the Sankey plot implementation and the rendering path for its links. Compare the requested reference image with the current rendered diagram, then determine whether gradients can be supported directly or only through custom JavaScript after rendering. Done means Sankey links visibly support the requested gradient behavior or the issue documents a working workaround.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 30/100