box library attached function exists and exported by package linter

Checks that functions being attached exist and are exported by the package/library being called.

Usage

box_pkg_fun_exists_linter()

Value

A custom linter function for use with r-lib/lintr

Details

For use in rhino, see the Explanation: Rhino style guide to learn about the details.

Examples

# will produce lint
lintr::lint(
  text = "box::use(stringr[function_not_exists],)",
  linter = box_pkg_fun_exists_linter()
)
#> <text>:1:18: warning: [box_pkg_fun_exists_linter] Function not exported by package.
#> box::use(stringr[function_not_exists],)
#>                  ^~~~~~~~~~~~~~~~~~~

# okay
lintr::lint(
  text = "box::use(stringr[str_pad],)",
  linter = box_pkg_fun_exists_linter()
)
#> ℹ No lints found.