fix(injection): Default to lower filetype if not detected

Author: kristijanhusak

lua/orgmode/config/init.lua

@@ -397,7 +397,7 @@ function Config:setup_ts_predicates()
     if not text or vim.trim(text) == '' then
       return
     end
-    metadata['injection.language'] = utils.detect_filetype(text) or text:lower()
+    metadata['injection.language'] = utils.detect_filetype(text)
   end, { force = true })
 end
 

lua/orgmode/objects/edit_special/types/src.lua

@@ -74,7 +74,7 @@ function EditSpecialSrc:init()
   -- so base the range off of the name of the block
   local ft = self.src_block.children.parameters.text
   if ft then
-    ft = utils.detect_filetype(ft) or ft:lower()
+    ft = utils.detect_filetype(ft)
   end
 
   local bufnr = es_utils.make_temp_buf()

lua/orgmode/utils/init.lua

@@ -567,6 +567,8 @@ function utils.find(entries, check_fn)
   return nil
 end
 
+---@param name string
+---@return string
 function utils.detect_filetype(name)
   local map = {
     ['emacs-lisp'] = 'lisp',
@@ -586,7 +588,7 @@ function utils.detect_filetype(name)
   if map[name] then
     return map[name]
   end
-  return nil
+  return name:lower()
 end
 
 return utils