refactor(autocmds): clean up filetype detection rules (#3625)

* refactor(lua): simplify gf utility

* refactor(autocmds): cleanup

* refactor(ftdetect): use vim.filetype.add instead

1 files changed, 0 insertions, 88 deletions

diff --git a/ftplugin/lua.lua b/ftplugin/lua.lua
deleted file mode 100644
index 138332e9..00000000
--- a/ftplugin/lua.lua
+++ /dev/null
@@ -1,88 +0,0 @@
-local fmt = string.format
--- luacheck: ignore
--- TODO: fix lint violations
-
--- Iterator that splits a string o a given delimiter
-local function split(str, delim)
-  delim = delim or "%s"
-  return string.gmatch(str, fmt("[^%s]+", delim))
-end
-
--- Find the proper directory separator depending
--- on lua installation or OS.
-local function dir_separator()
-  -- Look at package.config for directory separator string (it's the first line)
-  if package.config then
-    return string.match(package.config, "^[^\n]")
-  elseif vim.fn.has "win32" == 1 then
-    return "\\"
-  else
-    return "/"
-  end
-end
-
--- Search for lua traditional include paths.
--- This mimics how require internally works.
-local function include_paths(fname, ext)
-  ext = ext or "lua"
-  local sep = dir_separator()
-  local paths = string.gsub(package.path, "%?", fname)
-  for path in split(paths, "%;") do
-    if vim.fn.filereadable(path) == 1 then
-      return path
-    end
-  end
-end
-
--- Search for nvim lua include paths
-local function include_rtpaths(fname, ext)
-  ext = ext or "lua"
-  local sep = dir_separator()
-  local rtpaths = vim.api.nvim_list_runtime_paths()
-  local modfile, initfile = fmt("%s.%s", fname, ext), fmt("init.%s", ext)
-  for _, path in ipairs(rtpaths) do
-    -- Look on runtime path for 'lua/*.lua' files
-    local path1 = table.concat({ path, ext, modfile }, sep)
-    if vim.fn.filereadable(path1) == 1 then
-      return path1
-    end
-    -- Look on runtime path for 'lua/*/init.lua' files
-    local path2 = table.concat({ path, ext, fname, initfile }, sep)
-    if vim.fn.filereadable(path2) == 1 then
-      return path2
-    end
-  end
-end
-
--- Global function that searches the path for the required file
-function find_required_path(module)
-  -- Look at package.config for directory separator string (it's the first line)
-  local sep = string.match(package.config, "^[^\n]")
-  -- Properly change '.' to separator (probably '/' on *nix and '\' on Windows)
-  local fname = vim.fn.substitute(module, "\\.", sep, "g")
-  local f
-  ---- First search for lua modules
-  f = include_paths(fname, "lua")
-  if f then
-    return f
-  end
-  -- This part is just for nvim modules
-  f = include_rtpaths(fname, "lua")
-  if f then
-    return f
-  end
-  ---- Now search for Fennel modules
-  f = include_paths(fname, "fnl")
-  if f then
-    return f
-  end
-  -- This part is just for nvim modules
-  f = include_rtpaths(fname, "fnl")
-  if f then
-    return f
-  end
-end
-
--- Set options to open require with gf
-vim.opt_local.include = [=[\v<((do|load)file|require)\s*\(?['"]\zs[^'"]+\ze['"]]=]
-vim.opt_local.includeexpr = "v:lua.find_required_path(v:fname)"