From 2c0db6e38aefe538479cd283661898d6505ba8b4 Mon Sep 17 00:00:00 2001
From: James J Balamuta <coatless@users.noreply.github.com>
Date: Sun, 11 Feb 2024 07:29:14 +0000
Subject: [PATCH] Add check for HTML format.

---
 _extensions/embedio/pdf.lua      | 4 ++++
 _extensions/embedio/revealjs.lua | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/_extensions/embedio/pdf.lua b/_extensions/embedio/pdf.lua
index e5932e3..cc4a7b3 100644
--- a/_extensions/embedio/pdf.lua
+++ b/_extensions/embedio/pdf.lua
@@ -1,5 +1,9 @@
 local function pdf(args, kwargs, meta)
 
+  if not quarto.doc.is_format("html") then
+    return
+  end
+
   -- Supported options for now
   local pdf_file_name = pandoc.utils.stringify(kwargs["file"])
   local height = pandoc.utils.stringify(kwargs["height"]) or "600px"
diff --git a/_extensions/embedio/revealjs.lua b/_extensions/embedio/revealjs.lua
index 42ed162..094bbea 100644
--- a/_extensions/embedio/revealjs.lua
+++ b/_extensions/embedio/revealjs.lua
@@ -25,6 +25,11 @@ local function ensureSlideCSSPresent()
 end
 
 local function revealjs(args, kwargs, meta , raw_args)
+  
+  if not quarto.doc.is_format("html") then
+    return
+  end
+
   -- Enable CSS
   ensureSlideCSSPresent()