HACK: manually perform an edit after parsing

Author: xzbdmw

lua/quicker/treesitter.lua

@@ -93,6 +93,13 @@ function M._attach_lang(buf, lang, regions, register_cbs)
   --    which means it only parses visible areas (the on_win and on_line callback),
   --    so if we modify the buffer, unvisited area's state get unsynced.
   pcall(parser.parse, parser, true)
+  -- Hack: we need to manually perform an edit, otherwise delete an entire line
+  -- will cause all highlights to disappear.
+  vim.api.nvim_buf_call(buf, function()
+    local cache_z_reg = vim.fn.getreginfo("z")
+    vim.cmd([[norm! "zx"zP]])
+    vim.fn.setreg("z", cache_z_reg)
+  end)
 end
 
 return M