added an option to override fzf-lua's NBSP char (closes #347)

README.md

@@ -663,6 +663,9 @@ require'fzf-lua'.setup {
   file_icon_colors = {
     ["lua"]   = "blue",
   },
+  -- uncomment if your terminal/font does not support unicode character
+  -- 'EN SPACE' (U+2002), the below sets it to 'NBSP' (U+00A0) instead
+  -- nbsp = '\xc2\xa0',
 }
 ```
 

doc/fzf-lua.txt

@@ -705,6 +705,9 @@ Consult the list below for available settings:
       file_icon_colors = {
         ["lua"]   = "blue",
       },
+      -- uncomment if your terminal/font does not support unicode character
+      -- 'EN SPACE' (U+2002), the below sets it to 'NBSP' (U+00A0) instead
+      -- nbsp = '\xc2\xa0',
     }
 <
 This can also be run from a `.vim` file using:

lua/fzf-lua/config.lua

@@ -25,6 +25,7 @@ end
 M.__resume_data = {}
 
 M.globals = {
+  nbsp                  = utils.nbsp,
   global_resume         = true,
   global_resume_query   = true,
   winopts = {

lua/fzf-lua/init.lua

@@ -67,6 +67,8 @@ function M.setup(opts)
   end
   -- set lua_io if caller requested
   utils.set_lua_io(globals.lua_io)
+  -- set custom &nbsp if caller requested
+  if globals.nbsp then utils.nbsp = globals.nbsp end
   -- reset our globals based on user opts
   -- this doesn't happen automatically
   config.globals = globals

lua/fzf-lua/make_entry.lua

@@ -147,7 +147,9 @@ if not config then
   _config.globals.file_icon_padding = load_config_section('globals.file_icon_padding', 'string')
   _config.globals.files.git_status_cmd = load_config_section('globals.files.git_status_cmd', 'table')
 
-  -- _G.dump(_config)
+  _config.globals.nbsp = load_config_section('globals.nbsp', 'string')
+  if _config.globals.nbsp then utils.nbsp = _config.globals.nbsp end
+
   config = _config
 end