fix: Ignore special buffers, fix auto-preview and not focus_on_open

lua/outline/config.lua

@@ -184,26 +184,10 @@ function M.get_split_command()
   end
 end
 
----Whether table == {}
----@param t table
-local function is_empty_table(t)
-  return t and next(t) == nil
-end
-
 local function table_has_content(t)
   return t and next(t) ~= nil
 end
 
-local function has_value(tab, val)
-  for _, value in ipairs(tab) do
-    if value == val then
-      return true
-    end
-  end
-
-  return false
-end
-
 ---Determine whether to include symbol in outline based on bufnr and its kind
 ---@param kind string
 ---@param bufnr integer

lua/outline/preview.lua

@@ -191,6 +191,10 @@ function Preview:show()
     return
   end
 
+  if not vim.api.nvim_win_is_valid(self.s.code.win) then
+    return
+  end
+
   if not self.buf or not self.win then
     self:create()
   else
@@ -289,6 +293,11 @@ function LivePreview:show()
     return
   end
 
+  if not vim.api.nvim_win_is_valid(self.s.code.win)
+      or (self.codewin and not vim.api.nvim_win_is_valid(self.codewin)) then
+    return
+  end
+
   local node = self.s:_current_node()
   if not node then
     return

lua/outline/sidebar.lua

@@ -105,6 +105,9 @@ function Sidebar:initial_handler(response, opts)
   self.items = items
 
   self:_update_lines(true)
+  if not cfg.o.outline_window.focus_on_open or not opts.focus_outline then
+    vim.fn.win_gotoid(self.code.win)
+  end
 end
 
 -- stylua: ignore start
@@ -325,10 +328,17 @@ end
 
 ---Re-request symbols from provider
 function Sidebar:__refresh()
-  local focused_outline = self.view.buf == vim.api.nvim_get_current_buf()
+  local buf = vim.api.nvim_get_current_buf()
+  local focused_outline = self.view.buf == buf
   if focused_outline or not self.view:is_open() then
     return
   end
+  local ft = vim.api.nvim_buf_get_option(buf, 'ft')
+  local nolisted = vim.api.nvim_buf_get_option(buf, 'buflisted')
+  local hidden = vim.api.nvim_buf_get_option(buf, 'bufhidden')
+  if ft == 'OutlineHelp' or nolisted or hidden then
+    return
+  end
   self.provider = providers.find_provider()
   if self.provider then
     self.provider.request_symbols(function(res)
@@ -551,6 +561,7 @@ function Sidebar:open(opts)
       self.provider.request_symbols(function(...)
         self:initial_handler(...)
       end, opts)
+      return
     else
       -- No provider
       self:initial_setup(opts)