use roxygen2::load_source

Author: bgoodri

DESCRIPTION

@@ -41,7 +41,7 @@ Suggests:
     knitr,
     pkgbuild,
     pkgload,
-    roxygen2 (>= 6.0.1),
+    roxygen2 (>= 7.0.1),
     rmarkdown,
     rstudioapi
 RoxygenNote: 7.1.1

vignettes/minimal-rstan-package.Rmd

@@ -238,16 +238,13 @@ for `lm_stan` and update the `NAMESPACE` so the function is exported, i.e.,
 available to users when the package is installed.  This can be done with the
 function `roxygen2::roxygenize()`.
 
-```{r, results = "hide"}
-example(source) # defines the sourceDir() function
-```
 ```{r, eval = FALSE}
-try(roxygen2::roxygenize(load_code = sourceDir), silent = TRUE)
+try(roxygen2::roxygenize(load_code = roxygen2::load_source), silent = TRUE)
 pkgbuild::compile_dll()
 roxygen2::roxygenize()
 ```
 ```{r, echo=FALSE}
-try(roxygen2::roxygenize(PATH, load_code = sourceDir), silent = TRUE)
+try(roxygen2::roxygenize(PATH, load_code = roxygen2::load_source), silent = TRUE)
 rm(lm_stan)
 pkgbuild::compile_dll(PATH)
 roxygen2::roxygenize(PATH)