modularize statusline config | Make overriding of it actually work (#1307)

lua/core/default_config.lua

@@ -23,7 +23,7 @@ M.ui = {
 
    statusline = {
       separator_style = "default", -- default/round/block/arrow
-      config = "%!v:lua.require('ui.statusline').run()",
+      config = "%!v:lua.require('ui.statusline')",
       override = {},
    },
 

lua/ui/statusline/init.lua

@@ -0,0 +1,19 @@
+local modules = require "ui.statusline.modules"
+
+local user_override = require("core.utils").load_config().ui.statusline.override
+modules = vim.tbl_deep_extend("force", modules, user_override)
+
+return table.concat {
+   modules.mode(),
+   modules.fileInfo(),
+   modules.git(),
+
+   "%=",
+   modules.LSP_progress(),
+   "%=",
+
+   modules.LSP_Diagnostics(),
+   modules.LSP_status() or "",
+   modules.cwd(),
+   modules.cursor_position(),
+}

lua/ui/statusline/modules.lua

@@ -135,23 +135,4 @@ M.cursor_position = function()
    return left_sep .. "%#St_pos_text#" .. " " .. text .. " "
 end
 
-M.run = function()
-   return table.concat {
-      M.mode(),
-      M.fileInfo(),
-      M.git(),
-
-      "%=",
-      M.LSP_progress(),
-      "%=",
-
-      M.LSP_Diagnostics(),
-      M.LSP_status() or "",
-      M.cwd(),
-      M.cursor_position(),
-   }
-end
-
-M = vim.tbl_deep_extend("force", M, require("core.utils").load_config().ui.statusline.override)
-
 return M