Find R packages used within a project. dependencies() will crawl files
within your project, looking for R files and the packages used within those
R files. This is done primarily by parsing the code and looking for calls of
the form:
dependencies(path = getwd())The path to a (possibly multi-mode) R file, or a directory containing such files.
By default, renv will read your project's .gitignores (if any) to
determine whether certain files or folders should be included when traversing
directories. If preferred, you can also create a .renvignore file (with
entries of the same format as a standard .gitignore file) to tell renv
which files to ignore within a directory. If both .renvignore and
.gitignore exist within a folder, the .renvignore will be used in lieu of
the .gitignore.
See https://git-scm.com/docs/gitignore for documentation on the
.gitignore format. Some simple examples here:
# ignore all R Markdown files *.Rmd# ignore all data folders data/
# ignore only data folders from the root of the project /data/
library(package)
require(package)
requireNamespace("package")
package::method()
For R package projects, dependencies expressed in the DESCRIPTION file
will also be discovered. Note that the rmarkdown package is required in
order to crawl dependencies in R Markdown files.