better handling of '--ansi' flag, detect extension on filenames with space

lua/fzf-lua/actions.lua

@@ -44,8 +44,10 @@ M.vimcmd_file = function(vimcmd, selected)
   for i = 2, #selected do
     local entry = path.entry_to_file(selected[i])
     vim.cmd(vimcmd .. " " .. vim.fn.fnameescape(entry.path))
-    vim.api.nvim_win_set_cursor(0, {tonumber(entry.line), tonumber(entry.col)-1})
-    vim.cmd("norm! zz")
+    if entry.line > 1 or entry.col > 1 then
+      vim.api.nvim_win_set_cursor(0, {tonumber(entry.line), tonumber(entry.col)-1})
+      vim.cmd("norm! zz")
+    end
   end
 end
 

lua/fzf-lua/core.lua

@@ -127,7 +127,7 @@ end
 
 local get_git_indicator = function(file, diff_files, untracked_files)
     -- remove colors from `rg` output
-    file = file:gsub("%[%d+m", "")
+    file = utils.strip_ansi_coloring(file)
     if diff_files and diff_files[file] then
         return diff_files[file]
     end

lua/fzf-lua/path.lua

@@ -46,11 +46,10 @@ end
 function M.extension(path)
   -- path = M.basename(path)
   -- return path:match(".+%.(.*)")
-  -- search for the first dotten string part up to space
-  -- then match anything after the dot up to ':/\.'
-  path = path:match("(%.[^ :\t\x1b]+)")
-  if not path then return path end
-  return path:match("^.*%.([^ :\\/]+)")
+  -- 1. match anything before the first ':'
+  -- 2. greedy match anything after the last dot
+  -- 3. remove coloring escape sequence
+  return utils.strip_ansi_coloring(path:match("[^:]+"):match("[^.]*$"))
 end
 
 ---Get the path to the parent directory of the given path. Returns `nil` if the
@@ -133,6 +132,7 @@ local function lastIndexOf(haystack, needle)
 end
 
 function M.entry_to_file(entry, cwd)
+  entry = utils.strip_ansi_coloring(entry)
   local sep = ":"
   local s = strsplit(entry, sep)
   local file = s[1]:match("[^"..utils.nbsp.."]*$")

lua/fzf-lua/utils.lua

@@ -180,6 +180,14 @@ for color, escseq in pairs(M.ansi_colors) do
     end
 end
 
+function M.strip_ansi_coloring(str)
+  if not str then return str end
+  -- remove escape sequences of the following formats:
+  -- 1. ^[[34m
+  -- 2. ^[[0;34m
+  return str:gsub("%[[%d;]+m", "")
+end
+
 function M.get_visual_selection()
     -- this will exit visual mode
     -- use 'gv' to reselect the text