Don't reload orgfile twice (#458)

Author: joaomsa

lua/orgmode/colors/todo_highlighter.lua

@@ -1,5 +1,6 @@
 local config = require('orgmode.config')
 local highlights = require('orgmode.colors.highlights')
+local tree_utils = require('orgmode.utils.treesitter')
 local utils = require('orgmode.utils')
 
 local function add_todo_keyword_highlights()
@@ -52,7 +53,7 @@ local function add_todo_keyword_highlights()
           end
           vim.treesitter.set_query('org', 'highlights', table.concat(all_lines, '\n'))
           if vim.bo.filetype == 'org' then
-            vim.cmd([[filetype detect]])
+            tree_utils.restart_highlights()
           end
         end)
       )

lua/orgmode/utils/treesitter.lua

@@ -12,6 +12,12 @@ function M.parse(bufnr)
   return vim.treesitter.get_parser(bufnr or 0, 'org', {}):parse()
 end
 
+-- Reload treesitter highlighter without triggering FileType autocommands that include reloading entire file
+function M.restart_highlights(bufnr)
+  bufnr = bufnr or 0
+  require('nvim-treesitter.configs').reattach_module('highlight', bufnr, 'org')
+end
+
 function M.parse_query(query)
   local ts_query = query_cache[query]
   if not ts_query then