From 02652c0392862851087c89415a452d8c3225de9d Mon Sep 17 00:00:00 2001
From: Richard Iannone <riannone@me.com>
Date: Thu, 30 May 2024 08:57:36 -0400
Subject: [PATCH] Use `vapply()` when performing base64-encoding

---
 R/utils.R | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/R/utils.R b/R/utils.R
index ae9bede250..4fb0357ecf 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -721,9 +721,17 @@ process_text <- function(text, context = "html") {
           )
 
         # Use base64 encoding to avoid issues with escaping internal double
-        # quotes; used in conjunction with the  'data-qmd-base64' attribute
+        # quotes; used in conjunction with the 'data-qmd-base64' attribute
         # that is recognized by Quarto
-        non_na_text <- base64enc::base64encode(charToRaw(non_na_text))
+        non_na_text <-
+          vapply(
+            non_na_text,
+            FUN.VALUE = character(1L),
+            USE.NAMES = FALSE,
+            FUN = function(text) {
+              base64enc::base64encode(charToRaw(text))
+            }
+          )
 
         non_na_text <- tidy_gsub(non_na_text, "^", "<div data-qmd-base64=\"")
         non_na_text <- tidy_gsub(non_na_text, "$", "\">")