fix(types): nvim_get_win_config return type #35639

runtime/lua/vim/_extui/shared.lua

@@ -17,6 +17,7 @@ local M = {
     },
   },
 }
+--- @type vim.api.keyset.win_config
 local wincfg = { -- Default cfg for nvim_open_win().
   relative = 'laststatus',
   style = 'minimal',

runtime/lua/vim/_meta/api.lua

@@ -2415,7 +2415,7 @@ function vim.api.nvim_win_get_buf(window) end
 --- `relative` is empty for normal windows.
 ---
 --- @param window integer `window-ID`, or 0 for current window
---- @return vim.api.keyset.win_config # Map defining the window configuration, see |nvim_open_win()|
+--- @return vim.api.keyset.win_config_ret # Map defining the window configuration, see |nvim_open_win()|
 function vim.api.nvim_win_get_config(window) end
 
 --- Gets the (1,0)-indexed, buffer-relative cursor position for a given window

runtime/lua/vim/_meta/api_keysets_extra.lua

@@ -247,3 +247,24 @@ error('Cannot require a meta file')
 --- @field fill integer
 --- @field end_row integer
 --- @field end_vcol integer
+
+-- Inherit from vim.api.keyset.win_config so this type can be passed to nvim_open_win().
+-- Because of this we only need to define the fields with different types (nil or non-nil).
+
+--- @class vim.api.keyset.win_config_ret : vim.api.keyset.win_config
+--- @field focusable boolean
+--- @field external boolean
+--- @field hide boolean
+--- @field mouse boolean
+--- @field width integer
+--- @field height integer
+--- @field relative 'cursor'|'editor'|'laststatus'|'mouse'|'tabline'|'win'
+---
+--- @field noautocmd nil
+--- @field title nil
+--- @field title_pos nil
+--- @field footer nil
+--- @field footer_pos nil
+--- @field style nil
+--- @field fixed nil
+--- @field vertical nil