fix: hide deprecation notice when option not used (#26)

lua/dressing/config.lua

@@ -132,11 +132,24 @@ M.update = function(opts)
     )
   end
 
-  if newconf.select.telescope and newconf.select.telescope.theme then
+  if
+    newconf.select.telescope
+    and newconf.select.telescope.theme
+    and vim.tbl_count(newconf.select.telescope) == 1
+  then
     vim.notify(
       "Deprecated: dressing.select.telescope.theme is deprecated. Pass in telescope options directly (:help dressing)",
       vim.log.levels.WARN
     )
+    local theme = newconf.select.telescope.theme
+    local ttype = type(theme)
+    if ttype == "string" then
+      newconf.select.telescope = require("telescope.themes")[string.format("get_%s", theme)]()
+    elseif ttype == "function" then
+      newconf.select.telescope = theme({})
+    else
+      newconf.select.telescope = theme
+    end
   end
 
   for k, v in pairs(newconf) do

lua/dressing/select/telescope.lua

@@ -23,24 +23,9 @@ M.select = function(config, items, opts, on_choice)
 
   local picker_opts = config
 
+  -- Default to the dropdown theme if no options supplied
   if picker_opts == nil then
-    -- Default to the dropdown theme if no options supplied
     picker_opts = themes.get_dropdown()
-  elseif config.theme then
-    -- Backwards compatibility for the `theme` option
-    local theme
-    local ttype = type(config.theme)
-    if ttype == "string" then
-      theme = themes[string.format("get_%s", config.theme)]
-    elseif ttype == "function" then
-      theme = config.theme
-    else
-      theme = function(s)
-        return vim.tbl_extend("keep", s, config.theme or {})
-      end
-    end
-
-    picker_opts = vim.tbl_extend("keep", config, theme({}))
   end
 
   pickers.new(picker_opts, {