chore: remove global config in favor of first index

README.md

@@ -133,6 +133,7 @@ Navigate your [Kitty](https://sw.kovidgoyal.net/kitty/) scrollback buffer to qui
   - The command `KittyScrollbackGenerateKittens` no longer accepts the bang `!` modifier
   - The api `generate_kittens` signature removed the `all` parameter
   - Removed the undocumented reserved `default` configuration name
+  - Removed the reserved `global` configuration name
 
 
 </details>

lua/kitty-scrollback/launch.lua

@@ -288,6 +288,13 @@ local function load_requires()
   ksb_backport = require('kitty-scrollback.backport')
 end
 
+local function config_to_opts(config)
+  if type(config) == 'function' then
+    config = config(p.kitty_data)
+  end
+  return type(config) == 'table' and config or {}
+end
+
 ---Setup and configure kitty-scrollback.nvim
 ---@param kitty_data_str string
 M.setup = function(kitty_data_str)
@@ -299,14 +306,13 @@ M.setup = function(kitty_data_str)
   p.kitty_data = vim.fn.json_decode(kitty_data_str)
   load_requires() -- must be after p.kitty_data initialized
 
-  -- if a config named 'global' is found, that will be applied to all configurations regardless of prefix
+  -- if a config at the first index found, that will be applied to all configurations regardless of prefix
   -- if a config name is prefixed 'ksb_builtin_', the user's config will be merged with configs/builtin.lua
   -- if a config does not meet the above criteria, check if a user had defined a configuration with the given config name and use that
 
   local config_name = p.kitty_data.kitty_scrollback_config or ''
   local config_source = require('kitty-scrollback')
-  local global_fn = config_source.configs['global']
-  local global_opts = global_fn and global_fn(p.kitty_data) or {}
+  local global_opts = config_to_opts(config_source.configs[1])
   local user_config = config_source.configs[config_name]
   if config_name ~= '' and not user_config and not config_name:match('^ksb_builtin_.*') then
     vim.defer_fn(function()
@@ -315,17 +321,10 @@ M.setup = function(kitty_data_str)
     config_name = 'ksb_builtin_get_text_all'
     user_config = config_source.configs[config_name]
   end
-  if type(user_config) == 'function' then
-    user_config = user_config(p.kitty_data)
-  end
-  local user_opts = type(user_config) == 'table' and user_config or {}
+  local user_opts = config_to_opts(user_config)
   local builtin_opts = {}
   if config_name:match('^ksb_builtin_.*') then
-    local builtin_config = require('kitty-scrollback.configs.builtin')[config_name]
-    if type(builtin_config) == 'function' then
-      builtin_config = builtin_config(p.kitty_data)
-    end
-    builtin_opts = type(builtin_config) == 'table' and builtin_config or {}
+    builtin_opts = config_to_opts(require('kitty-scrollback.configs.builtin')[config_name])
   end
   opts = vim.tbl_deep_extend('force', default_opts, global_opts, builtin_opts, user_opts)