Breaking change for statusline_separator field users | optimize statusline & make it overridable

added cmd fields for various plugins for example lspinstaller+lspconfig gets loaded only when a file opened but their commands can be run before a file is opened so I additionally lazy loaded them on their cmds too

lua/core/default_config.lua

@@ -22,21 +22,22 @@ M.ui = {
    theme_toggle = { "onedark", "one_light" },
    theme = "onedark", -- default theme
    transparency = false,
+
+   statusline = {
+      separator_style = "default", -- default/round/block/arrow
+      config = "%!v:lua.require'ui.statusline'.run()",
+      override = {},
+   },
 }
 
 M.plugins = {
    override = {},
    remove = {},
    user = {},
-
    options = {
       lspconfig = {
          setup_lspconf = "", -- path of lspconfig file
       },
-      statusline = {
-         separator_style = "default", -- default/round/block/arrow
-         config = "%!v:lua.require'ui.statusline'.run()",
-      },
    },
 }
 

lua/core/lazy_load.lua

@@ -69,6 +69,31 @@ M.on_file_open = function(plugin_name)
    }
 end
 
+-- lspinstaller & lspconfig cmds for lazyloading
+M.lsp_cmds = {
+   "LspInfo",
+   "LspStart",
+   "LspRestart",
+   "LspStop",
+   "LspInstall",
+   "LspUnInstall",
+   "LspUnInstallAll",
+   "LspInstall",
+   "LspInstallInfo",
+   "LspInstallLog",
+   "LspLog",
+   "LspPrintInstalled",
+}
+
+M.treesitter_cmds = {
+   "TSInstall",
+   "TSBufEnable",
+   "TSBufDisable",
+   "TSEnable",
+   "TSDisable",
+   "TSModuleInhfo",
+}
+
 M.gitsigns = function()
    -- taken from https://github.com/max397574
    vim.api.nvim_create_autocmd({ "BufRead" }, {

lua/core/mappings.lua

@@ -1,4 +1,4 @@
--- n, v, i, tare mode names
+-- n, v, i, t = mode names
 
 local function termcodes(str)
    return vim.api.nvim_replace_termcodes(str, true, true, true)

lua/core/options.lua

@@ -12,7 +12,7 @@ g.did_load_filetypes = 0
 g.do_filetype_lua = 1
 
 opt.laststatus = 3 -- global statusline
-opt.statusline = config.plugins.options.statusline.config
+opt.statusline = config.ui.statusline.config
 opt.showmode = false
 
 opt.title = true

lua/plugins/init.lua

@@ -66,6 +66,7 @@ local plugins = {
       setup = function()
          require("core.lazy_load").on_file_open "nvim-treesitter"
       end,
+      cmd = require("core.lazy_load").treesitter_cmds,
       run = ":TSUpdate",
       config = function()
          require "plugins.configs.treesitter"
@@ -87,6 +88,7 @@ local plugins = {
 
    ["williamboman/nvim-lsp-installer"] = {
       opt = true,
+      cmd = require("core.lazy_load").lsp_cmds,
       setup = function()
          require("core.lazy_load").on_file_open "nvim-lsp-installer"
       end,

lua/ui/icons.lua

@@ -40,6 +40,28 @@ M.lspkind = {
    Package = "",
 }
 
+M.statusline_separators = {
+   default = {
+      left = "",
+      right = " ",
+   },
+
+   round = {
+      left = "",
+      right = "",
+   },
+
+   block = {
+      left = "█",
+      right = "█",
+   },
+
+   arrow = {
+      left = "",
+      right = "",
+   },
+}
+
 M.devicons = {
    default_icon = {
       icon = "",

lua/ui/statusline.lua

@@ -1,30 +1,8 @@
 local fn = vim.fn
-
-local sep_style = {
-   default = {
-      left = "",
-      right = " ",
-   },
-
-   round = {
-      left = "",
-      right = "",
-   },
-
-   block = {
-      left = "█",
-      right = "█",
-   },
-
-   arrow = {
-      left = "",
-      right = "",
-   },
-}
-
-local user_sep_style = require("core.utils").load_config().plugins.options.statusline.separator_style
-local sep_l = sep_style[user_sep_style]["left"]
-local sep_r = sep_style[user_sep_style]["right"]
+local sep_style = require("ui.icons").statusline_separators
+local user_sep = require("core.utils").load_config().ui.statusline.separator_style
+local sep_l = sep_style[user_sep]["left"]
+local sep_r = sep_style[user_sep]["right"]
 
 local modes = {
    ["n"] = { "NORMAL", "St_NormalMode" },
@@ -64,34 +42,22 @@ M.mode = function()
    return current_mode .. mode_sep1 .. "%#ST_EmptySpace#" .. sep_r
 end
 
-M.fileicon = function()
+M.fileInfo = function()
    local icon = "  "
+   local filename = (fn.expand "%" == "" and "Empty ") or fn.expand "%:t"
 
-   local filename = fn.fnamemodify(fn.expand "%:t", ":r")
-   local extension = fn.expand "%:e"
-
-   if filename ~= "" then
+   if filename ~= "Empty " then
       local devicons_present, devicons = pcall(require, "nvim-web-devicons")
 
       if devicons_present then
-         local ft_icon = devicons.get_icon(filename, extension)
+         local ft_icon = devicons.get_icon(filename, fn.expand "%:e")
          icon = (ft_icon ~= nil and " " .. ft_icon) or ""
       end
-   end
 
-   return "%#St_file_info#" .. icon
-end
-
-M.filename = function()
-   local filename = fn.fnamemodify(fn.expand "%:t", ":r")
-
-   if filename == "" then
-      filename = "Empty "
-   else
       filename = " " .. filename .. " "
    end
 
-   return "%#St_file_info#" .. filename .. "%#St_file_sep#" .. sep_r
+   return "%#St_file_info#" .. icon .. filename .. "%#St_file_sep#" .. sep_r
 end
 
 M.git = function()
@@ -105,9 +71,8 @@ M.git = function()
    local changed = (git_status.changed and git_status.changed ~= 0) and ("  " .. git_status.changed) or ""
    local removed = (git_status.removed and git_status.removed ~= 0) and ("  " .. git_status.removed) or ""
    local branch_name = "   " .. git_status.head .. " "
-   local git_info = branch_name .. added .. changed .. removed
 
-   return "%#St_gitIcons#" .. git_info
+   return "%#St_gitIcons#" .. branch_name .. added .. changed .. removed
 end
 
 -- LSP STUFF
@@ -130,10 +95,6 @@ M.LSP_progress = function()
 end
 
 M.LSP_Diagnostics = function()
-   if not #vim.diagnostic.get(0) then
-      return ""
-   end
-
    local errors = #vim.diagnostic.get(0, { severity = vim.diagnostic.severity.ERROR })
    local warnings = #vim.diagnostic.get(0, { severity = vim.diagnostic.severity.WARN })
    local hints = #vim.diagnostic.get(0, { severity = vim.diagnostic.severity.HINT })
@@ -148,48 +109,36 @@ M.LSP_Diagnostics = function()
 end
 
 M.LSP_status = function()
-   local clients = vim.lsp.get_active_clients()
-   local name = false
-   for _, client in ipairs(clients) do
+   for _, client in ipairs(vim.lsp.get_active_clients()) do
       if client.attached_buffers[vim.api.nvim_get_current_buf()] then
-         name = client.name
-         break
+         return (vim.o.columns > 70 and "%#St_LspStatus#" .. "   LSP ~ " .. client.name .. " ") or "   LSP "
       end
    end
-
-   local content = name and "   LSP ~ " .. name .. " " or false
-   return content and ("%#St_LspStatus#" .. content) or ""
 end
 
 M.cwd = function()
-   local left_sep = "%#St_cwd_sep#" .. sep_l
    local dir_icon = "%#St_cwd_icon#" .. " "
    local dir_name = "%#St_cwd_text#" .. " " .. fn.fnamemodify(fn.getcwd(), ":t") .. " "
-   return (vim.o.columns > 120 and left_sep .. dir_icon .. dir_name) or ""
+   return (vim.o.columns > 120 and ("%#St_cwd_sep#" .. sep_l .. dir_icon .. dir_name))
 end
 
 M.cursor_position = function()
-   local left_sep = "%#St_pos_sep#" .. sep_l
-   local icon = "%#St_pos_icon#" .. " "
+   local left_sep = "%#St_pos_sep#" .. sep_l .. "%#St_pos_icon#" .. " "
 
    local current_line = fn.line "."
    local total_line = fn.line "$"
    local text = math.modf((current_line / total_line) * 100) .. tostring "%%"
 
-   if current_line == 1 then
-      text = "Top"
-   elseif current_line == total_line then
-      text = "Bot"
-   end
+   text = (current_line == 1 and "Top") or text
+   text = (current_line == total_line and "Bot") or text
 
-   return left_sep .. icon .. "%#St_pos_text#" .. " " .. text .. " "
+   return left_sep .. "%#St_pos_text#" .. " " .. text .. " "
 end
 
 M.run = function()
    return table.concat {
       M.mode(),
-      M.fileicon(),
-      M.filename(),
+      M.fileInfo(),
       M.git(),
 
       "%=",
@@ -197,10 +146,12 @@ M.run = function()
       "%=",
 
       M.LSP_Diagnostics(),
-      M.LSP_status(),
+      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