many changes

hosts/nb/modules/nvim/config/init.lua

@@ -42,7 +42,7 @@ vim.opt.titlestring = "%<%F%=%l/%L - nvim" -- what the title of the window will
 vim.opt.undodir = vim.fn.stdpath "cache" .. "/undo"
 vim.opt.undofile = true -- enable persistent undo
 vim.opt.updatetime = 300 -- faster completion
-vim.opt.writebackup = false -- if a file is being edited by another program (or was written to file while editing with another program) it is not allowed to be edited
+vim.opt.writebackup = false -- if a file is being edited by another program it is not allowed to be edited
 vim.opt.expandtab = true -- convert tabs to spaces
 vim.opt.shiftwidth = 2 -- the number of spaces inserted for each indentation
 vim.opt.tabstop = 2 -- insert 2 spaces for a tab
@@ -50,9 +50,38 @@ vim.opt.cursorline = true -- highlight the current line
 vim.opt.number = true -- set numbered lines
 vim.opt.relativenumber = false -- set relative numbered lines
 vim.opt.numberwidth = 4 -- set number column width to 2 {default 4}
-vim.opt.signcolumn = "yes" -- always show the sign column otherwise it would shift the text each time
+vim.opt.signcolumn = "yes" -- always show the sign column otherwise text shifts each time
 vim.opt.wrap = false -- display lines as one long line
 vim.opt.spell = false
 vim.opt.spelllang = "en"
-vim.opt.scrolloff = 8 -- is one of my fav
+vim.opt.scrolloff = 8 -- keep 8 lines above/below the cursor
 vim.opt.sidescrolloff = 8
+
+-- Automatically disable heavy features for very large files
+local largefile_group = vim.api.nvim_create_augroup("LargeFile", { clear = true })
+vim.api.nvim_create_autocmd("BufReadPre", {
+  group = largefile_group,
+  pattern = "*",
+  callback = function(args)
+    local max_filesize = 1 * 1024 * 1024 -- 1 MB in bytes
+    local file = vim.fn.expand("<afile>")
+    if vim.fn.getfsize(file) > max_filesize then
+      -- Turn off syntax highlighting
+      vim.cmd("syntax off")
+      -- Disable Treesitter's highlight for this buffer
+      pcall(vim.cmd, "TSBufDisable highlight")
+
+      -- Optionally disable LSP for this buffer
+      for _, client in pairs(vim.lsp.get_active_clients()) do
+        if client ~= nil and client.attached_buffers[args.buf] then
+          client.detach(args.buf)
+        end
+      end
+
+      -- You can also disable or reduce other settings if needed, e.g.:
+      vim.opt.foldmethod = "manual"
+      vim.opt.wrap = false
+      vim.opt.hlsearch = false
+    end
+  end,
+})