feat(summary): delay setting file type (#86)

ftplugin/neotest-summary.vim

@@ -0,0 +1,17 @@
+if get(b:, 'did_ftplugin', v:false)
+	finish
+endif
+let b:did_ftplugin = v:true
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+setlocal winfixwidth
+setlocal nonumber
+setlocal norelativenumber
+setlocal nospell
+
+let b:undo_ftplugin = 'setlocal wfh< nu< rnu< spell<'
+
+let &cpo = s:save_cpo
+unlet s:save_cpo

lua/neotest/consumers/summary/init.lua

@@ -16,13 +16,7 @@ local function create_buf()
   end
 
   summary_buf = async.api.nvim_create_buf(false, true)
-  local options = {
-    modifiable = false,
-    filetype = "neotest-summary",
-  }
-  for name, value in pairs(options) do
-    async.api.nvim_buf_set_option(summary_buf, name, value)
-  end
+  async.api.nvim_buf_set_option(summary_buf, 'modifiable', false)
   async.api.nvim_buf_set_name(summary_buf, buf_name)
   return summary_buf
 end
@@ -35,16 +29,9 @@ local function open_window(buf)
   local cur_win = async.api.nvim_get_current_win()
   vim.cmd([[botright vsplit | vertical resize 50]])
   local win = async.api.nvim_get_current_win()
-  local options = {
-    relativenumber = false,
-    number = false,
-    winfixwidth = true,
-  }
-  for name, value in pairs(options) do
-    async.api.nvim_win_set_option(win, name, value)
-  end
   async.api.nvim_win_set_buf(win, buf)
   async.api.nvim_set_current_win(cur_win)
+  async.api.nvim_buf_set_option(summary_buf, 'filetype', 'neotest-summary')
 end
 
 local components = {}