From 068fc77019bbba7a723b66fe8ea4e7393e462127 Mon Sep 17 00:00:00 2001
From: Marty Oehme <marty.oehme@gmail.com>
Date: Sat, 22 Feb 2025 13:28:30 +0100
Subject: [PATCH] nvim: Only enable markdown mdeval mappings if available

Check for the existence of the 'mdeval' plugin before setting the
corresponding key mappings in markdown type files.
---
 nvim/.config/nvim/after/ftplugin/markdown.lua | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/nvim/.config/nvim/after/ftplugin/markdown.lua b/nvim/.config/nvim/after/ftplugin/markdown.lua
index 50d5511..ac9769d 100644
--- a/nvim/.config/nvim/after/ftplugin/markdown.lua
+++ b/nvim/.config/nvim/after/ftplugin/markdown.lua
@@ -11,12 +11,19 @@ if require("core.util").is_available("zk") and require("zk.util").notebook_root(
 	map("n", "<CR>", "<cmd>lua vim.lsp.buf.definition()<cr>", { silent = true })
 end
 
--- execute code cells
-if vim.fn.mapcheck("<localleader>cc") == "" then
-	map("n", "<localleader>cc", require("mdeval").eval_code_block, { silent = true, desc = "evaluate code block" })
-end
-if vim.fn.mapcheck("<localleader>cx") == "" then
-	map("n", "<localleader>cx", require("mdeval").eval_clean_results, { silent = true, desc = "clear code results" })
+if require("core.util").is_available("mdeval") then
+	-- execute code cells
+	if vim.fn.mapcheck("<localleader>cc") == "" then
+		map("n", "<localleader>cc", require("mdeval").eval_code_block, { silent = true, desc = "evaluate code block" })
+	end
+	if vim.fn.mapcheck("<localleader>cx") == "" then
+		map(
+			"n",
+			"<localleader>cx",
+			require("mdeval").eval_clean_results,
+			{ silent = true, desc = "clear code results" }
+		)
+	end
 end
 
 -- jump to beginning of previous/ next cell code