add config option to disable the icons

Author: kyazdani42

README.md

@@ -20,6 +20,8 @@ let g:lua_tree_size = 40 "30 by default
 let g:lua_tree_ignore = [ '.git', 'node_modules', '.cache' ] "empty by default, not working on mac atm
 let g:lua_tree_auto_open = 1 "0 by default, opens the tree when typing `vim $DIR` or `vim`
 let g:lua_tree_auto_close = 1 "0 by default, closes the tree when it's the last window
+let g:lua_tree_show_folders = 0 "1 by default, do not show folder icons if you font doesn't render them
+let g:lua_tree_show_git_icons = 0 "1 by default, do not show git icons if you font doesn't render them
 let g:lua_tree_follow = 1 "0 by default, this option will bind BufEnter to the LuaTreeFindFile command
 " :help LuaTreeFindFile for more info
 

doc/nvim-tree-lua.txt

@@ -52,7 +52,16 @@ An array of strings that the tree won't display.
 Each pattern is passed into the 'ls' function as `--ignore=PATTERN`
 >
     example: let g:lua_tree_ignore = [ '.git', 'node_modules' ]
-<
+
+|g:lua_tree_show_folders|                         *g:lua_tree_show_folders*
+
+Can be `0` or `1`. When `0` it will not show the folder icons
+Default is 1
+
+|g:lua_tree_show_git_icons|                       *g:lua_tree_show_git_icons*
+
+Can be `0` or `1`. When `0` it will not show git icons.
+Default is 1
 
 |g:lua_tree_follow|				*g:lua_tree_follow*
 

doc/tags

@@ -1,10 +1,12 @@
 :LuaTreeFindFile	nvim-tree-lua.txt	/*:LuaTreeFindFile*
 :LuaTreeRefresh	nvim-tree-lua.txt	/*:LuaTreeRefresh*
 :LuaTreeToggle	nvim-tree-lua.txt	/*:LuaTreeToggle*
-g:lua_tree_auto_open	nvim-tree-lua.txt	/*g:lua_tree_auto_open*
+g:lua_tree_auto_close	nvim-tree-lua.txt	/*g:lua_tree_auto_close*
 g:lua_tree_auto_open	nvim-tree-lua.txt	/*g:lua_tree_auto_open*
 g:lua_tree_follow	nvim-tree-lua.txt	/*g:lua_tree_follow*
 g:lua_tree_ignore	nvim-tree-lua.txt	/*g:lua_tree_ignore*
+g:lua_tree_show_folders	nvim-tree-lua.txt	/*g:lua_tree_show_folders*
+g:lua_tree_show_git_icons	nvim-tree-lua.txt	/*g:lua_tree_show_git_icons*
 g:lua_tree_side	nvim-tree-lua.txt	/*g:lua_tree_side*
 g:lua_tree_size	nvim-tree-lua.txt	/*g:lua_tree_size*
 nvim-tree-commands	nvim-tree-lua.txt	/*nvim-tree-commands*

lua/lib/format.lua

@@ -2,6 +2,16 @@ local api = vim.api
 
 local HAS_DEV_ICONS = api.nvim_call_function('exists', { "*WebDevIconsGetFileTypeSymbol" }) == 1
 
+local function get(var, fallback)
+    if api.nvim_call_function('exists', { 'g:'..var }) == 1 then
+        return api.nvim_get_var(var)
+    else
+        return fallback
+    end
+end
+
+local SHOW_FOLDER_ICON = get('lua_tree_show_folders', 1) == 1
+
 local function get_padding(depth)
     local str = ""
 
@@ -14,7 +24,7 @@ local function get_padding(depth)
 end
 
 local function default_icons(_, isdir, open)
-    if isdir == true then
+    if isdir == true and SHOW_FOLDER_ICON then
         if open == true then return " " end
         return " "
     end
@@ -122,8 +132,10 @@ local function highlight_line(buffer)
             highlight('LuaTreeFolderName', line, 0, -1)
 
         elseif node.dir == true then
-            text_start = text_start + 4
-            highlight('LuaTreeFolderIcon', line, 0, text_start)
+            if SHOW_FOLDER_ICON then
+                text_start = text_start + 4
+                highlight('LuaTreeFolderIcon', line, 0, text_start)
+            end
             highlight('LuaTreeFolderName', line, text_start + gitlen, -1)
 
         elseif node.link == true then

lua/lib/git.lua

@@ -51,8 +51,18 @@ local unmerged = create_git_checker('^[U ][U ]')
 local renamed = create_git_checker('^R')
 local untracked = create_git_checker('^%?%?')
 
+local function get(var, fallback)
+    if vim.api.nvim_call_function('exists', { 'g:'..var }) == 1 then
+        return vim.api.nvim_get_var(var)
+    else
+        return fallback
+    end
+end
+
+local SHOW_GIT_ICON = get('lua_tree_show_git_icons', 1) == 1
+
 local function get_git_attr(path, is_dir)
-    if IS_GIT_REPO == false then return '' end
+    if IS_GIT_REPO == false or not SHOW_GIT_ICON then return '' end
     if is_dir then
         if is_folder_dirty(path) == true then return '✗ ' end
     else