The default tickFormat with a collapsed domain lacks sufficient precision
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- javascript
- Domain
- data-visualization
Research direction
Start by reading the default tickFormat implementation and its tests in d3-scale; the issue gives a reproduction for a collapsed domain, where the tick step is zero. Check how the formatter chooses precision in that case, then add a regression test showing the desired output for the example. Done means the test confirms sufficient precision for a collapsed domain.
Written by the indexing model from the issue text.
Description
d3.scaleLinear().domain([5.5, 5.5]).tickFormat(7.5)(5.5) // "6"
We don’t handle the tick step being zero well.
(originally https://github.com/observablehq/plot/issues/2076#issuecomment-2172184218)
- Dominant language
- JavaScript
- Stars
- 1.6k
- Forks
- 288
- Avg merge
- 6h 41m
- Merged PRs (30d)
- 1
Getting set up
This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.
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.
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