The world needs more #rstats vignettes, so I'll be the change I want to see
One option is to convert existing README.Rmd files into vignettes; they typically contain a wealth of information which isn't actually contained within the package.
I've written a patch to the usethis package to allow for this; there are a few complications to navigate and I doubt I've correctly identified 100% of them. This will soon be submitted as a PR.
With the patched version installed, it's as simple as
> usethis::README_to_vignette()
✔ Adding 'knitr' to Suggests field in DESCRIPTION
✔ Setting VignetteBuilder field in DESCRIPTION to 'knitr'
✔ Adding 'rmarkdown' to Suggests field in DESCRIPTION
✔ Creating 'vignettes/'
✔ Adding '*.html', '*.R' to 'vignettes/.gitignore'
✔ Adding 'inst/doc' to './.gitignore'
✔ Creating 'vignettes/readme-vignette.Rmd'
● Modify 'readme-vignette.Rmd'The author is extracted from the DESCRIPTION file, the title is set as the package title, and the relevant YAML is updated. Nothing too fancy, but it gets the ball rolling. It seems to do an okay job on some packages which have nice README.md files but no vignette:
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ThinkR-open/remedy (large file size warning; lots of embedded gifs)
Performing these conversions highlighted some issues with the process, even after careful treatment; mainly images in unexpected (to the vignette) places. But it also highlighted some neat issues with the READMEs themselves; packages used in the README which weren't marked as Import/Suggests, and image locations not existing. In theory more could be wrong; there is nothing stopping the README from becomming stale. Vignettes are built on install, so something should get flagged either on local check/build/install or during continuous integration testing.
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