perf: improve initial installation and startup performance

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -89,7 +89,6 @@ body:
         -- bootstrap lazy
         local lazypath = root .. "/plugins/lazy.nvim"
         if not vim.loop.fs_stat(lazypath) then
-          vim.g.astronvim_first_install = true -- lets AstroNvim know that this is an initial installation
           -- stylua: ignore
           vim.fn.system({ "git", "clone", "--filter=blob:none", "https://github.com/folke/lazy.nvim.git", "--branch=stable", lazypath })
         end

README.md

@@ -125,7 +125,6 @@ Some user's might not want to use an entire template or do any customization. He
 ```lua
 local lazypath = vim.fn.stdpath "data" .. "/lazy/lazy.nvim"
 if not vim.loop.fs_stat(lazypath) then
-  vim.g.astronvim_first_install = true -- lets AstroNvim know that this is an initial installation
   -- stylua: ignore
   vim.fn.system({ "git", "clone", "--filter=blob:none", "https://github.com/folke/lazy.nvim.git", "--branch=stable", lazypath })
 end

lua/astronvim/init.lua

@@ -4,6 +4,34 @@ M.did_init = false
 
 M.config = require "astronvim.config"
 
+local function lazy_notify()
+  -- Based on notification lazy loading in LazyVim
+  -- https://github.com/LazyVim/LazyVim/blob/a50f92f7550fb6e9f21c0852e6cb190e6fcd50f5/lua/lazyvim/util/init.lua#L90-L125
+  local notifications = {}
+  local function notify_queue(...) table.insert(notifications, vim.F.pack_len(...)) end
+  local original_notify = vim.notify
+  vim.notify = notify_queue
+
+  local uv = vim.uv or vim.loop
+  local timer, checker = uv.new_timer(), uv.new_check()
+
+  local replay = function()
+    timer:stop()
+    checker:stop()
+    if vim.notify == notify_queue then vim.notify = original_notify end
+    vim.schedule(function()
+      vim.tbl_map(function(notif) vim.notify(vim.F.unpack_len(notif)) end, notifications)
+    end)
+  end
+
+  -- wait till vim.notify has been replaced
+  checker:start(function()
+    if vim.notify ~= notify_queue then replay() end
+  end)
+  -- or if it took more than 500ms, then something went wrong
+  timer:start(500, 0, replay)
+end
+
 function M.init()
   if vim.fn.has "nvim-0.9" == 0 then
     vim.api.nvim_echo({
@@ -14,36 +42,25 @@ function M.init()
     vim.cmd.quit()
   end
 
-  if not M.did_init then
-    M.did_init = true
-
-    if vim.g.astronvim_first_install then
-      vim.api.nvim_create_autocmd("User", {
-        desc = "Load Mason and Treesitter after Lazy installs plugins",
-        once = true,
-        pattern = "LazyInstall",
-        callback = function()
-          vim.cmd.bw()
-          vim.api.nvim_exec_autocmds("VimEnter", { modeline = false })
-        end,
-      })
-    end
-
-    -- force setup during initialization
-    local plugin = require("lazy.core.config").spec.plugins.AstroNvim
-
-    local opts = require("lazy.core.plugin").values(plugin, "opts")
-    if opts.pin_plugins == nil then opts.pin_plugins = plugin.version ~= nil end
-
-    ---@diagnostic disable-next-line: cast-local-type
-    opts = vim.tbl_deep_extend("force", M.config, opts)
-    ---@cast opts -nil
-    M.config = opts
-
-    if not vim.g.mapleader and M.config.mapleader then vim.g.mapleader = M.config.mapleader end
-    if not vim.g.maplocalleader and M.config.maplocalleader then vim.g.maplocalleader = M.config.maplocalleader end
-    if M.config.icons_enabled == false then vim.g.icons_enabled = false end
-  end
+  if M.did_init then return end
+  M.did_init = true
+
+  lazy_notify()
+
+  -- force setup during initialization
+  local plugin = require("lazy.core.config").spec.plugins.AstroNvim
+
+  local opts = require("lazy.core.plugin").values(plugin, "opts")
+  if opts.pin_plugins == nil then opts.pin_plugins = plugin.version ~= nil end
+
+  ---@diagnostic disable-next-line: cast-local-type
+  opts = vim.tbl_deep_extend("force", M.config, opts)
+  ---@cast opts -nil
+  M.config = opts
+
+  if not vim.g.mapleader and M.config.mapleader then vim.g.mapleader = M.config.mapleader end
+  if not vim.g.maplocalleader and M.config.maplocalleader then vim.g.maplocalleader = M.config.maplocalleader end
+  if M.config.icons_enabled == false then vim.g.icons_enabled = false end
 end
 
 function M.setup() end