emit a message if the RStudio version is too low (current release is …

…0.99.902)
danromuald · Jul 11, 2016 · 49283ae · 49283ae
1 parent 6fbd763
commit 49283ae
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/R/render.R b/R/render.R
@@ -43,6 +43,13 @@ render_book = function(
   force_knit = FALSE, preview = FALSE, encoding = 'UTF-8'
 ) {
 
+  if (requireNamespace('rstudioapi', quietly = TRUE) && rstudioapi::isAvailable() &&
+      !rstudioapi::isAvailable('0.99.1000')) {
+    message(
+      'You are recommended to use a newer version of RStudio IDE to compile the book: ',
+      'https://www.rstudio.com/products/rstudio/download/preview/'
+    )
+  }
   format = NULL  # latex or html
   if (is.list(output_format)) {
     format = output_format$bookdown_output_format