From 2a504d38969e42eb20b5d4b21b7e958fe3450b8c Mon Sep 17 00:00:00 2001
From: Matthew Steedman <steedman87@gmail.com>
Date: Sat, 2 Apr 2022 09:24:39 -0400
Subject: [PATCH] feat: add hl_group for file icons

---
 doc/nvim-tree-lua.txt           | 1 +
 lua/nvim-tree/renderer/init.lua | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/doc/nvim-tree-lua.txt b/doc/nvim-tree-lua.txt
index 78f0f7dd007..f4f153cfae1 100644
--- a/doc/nvim-tree-lua.txt
+++ b/doc/nvim-tree-lua.txt
@@ -792,6 +792,7 @@ NvimTreeSymlink
 NvimTreeFolderName
 NvimTreeRootFolder
 NvimTreeFolderIcon
+NvimTreeFileIcon
 NvimTreeEmptyFolderName
 NvimTreeOpenedFolderName
 NvimTreeExecFile
diff --git a/lua/nvim-tree/renderer/init.lua b/lua/nvim-tree/renderer/init.lua
index ffe3d6cfb32..cdedda59f57 100644
--- a/lua/nvim-tree/renderer/init.lua
+++ b/lua/nvim-tree/renderer/init.lua
@@ -83,8 +83,13 @@ if icon_state.show_file_icon then
       end
     end
   else
-    get_file_icon = function()
-      return #icon_state.icons.default > 0 and icon_state.icons.default .. icon_padding or ""
+    get_file_icon = function(_, _, line, depth)
+      local hl_group = "NvimTreeFileIcon"
+      local icon = icon_state.icons.default
+      if #icon > 0 then
+        table.insert(hl, { hl_group, line, depth, depth + #icon + 1 })
+      end
+      return #icon > 0 and icon .. icon_padding or ""
     end
   end
 end