`expression(list())` introduced when using labeller in facet
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- r
- Domain
- data-visualization
Research direction
Start by running the R reproduction in the issue with ggplotly, facet_wrap, and label_wrap_gen, then compare the two attached figures. Trace where the labeller output becomes the facet label; done means the second example no longer displays expression(list()) and still preserves the intended wrapped label.
Written by the indexing model from the issue text.
Description
When I am using labeller in facet_wrap I am getting expression(list()) showing up with ggplotly.
mtcars$cyl2 <- factor(mtcars$cyl, labels = c("alpha", "beta", "gamma"))
p <- ggplot(mtcars, aes(wt, mpg)) + geom_point()
ggplotly(p + facet_wrap(. ~cyl)) # See figure 1
ggplotly(p + facet_wrap(. ~cyl, labeller = label_wrap_gen(width = 25, multi_line = FALSE))) #see figure2
Figure 1
Figure 2
- Dominant language
- R
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- 2.7k
- Forks
- 641
- PR merge metrics
- No merged PRs in 30d
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