feat(autocmds): added proper bigfile support

lua/lazyvim/config/autocmds.lua

@@ -114,3 +114,25 @@ vim.api.nvim_create_autocmd({ "BufWritePre" }, {
     vim.fn.mkdir(vim.fn.fnamemodify(file, ":p:h"), "p")
   end,
 })
+
+vim.filetype.add({
+  pattern = {
+    [".*"] = {
+      function(path, buf)
+        return vim.bo[buf].filetype ~= "bigfile" and path and vim.fn.getfsize(path) > vim.g.bigfile_size and "bigfile"
+          or nil
+      end,
+    },
+  },
+})
+
+vim.api.nvim_create_autocmd({ "FileType" }, {
+  group = augroup("bigfile"),
+  pattern = "bigfile",
+  callback = function(ev)
+    vim.b.minianimate_disable = true
+    vim.schedule(function()
+      vim.bo[ev.buf].syntax = vim.filetype.match({ buf = ev.buf }) or ""
+    end)
+  end,
+})

lua/lazyvim/config/options.lua

@@ -40,6 +40,12 @@ vim.g.lazyvim_statuscolumn = {
 -- Hide deprecation warnings
 vim.g.deprecation_warnings = false
 
+-- Set filetype to `bigfile` for files larger than 1.5 MB
+-- Only vim syntax will be enabled (with the correct filetype)
+-- LSP, treesitter and other ft plugins will be disabled.
+-- mini.animate will also be disabled.
+vim.g.bigfile_size = 1024 * 1024 * 1.5 -- 1.5 MB
+
 -- Show the current document symbols location from Trouble in lualine
 vim.g.trouble_lualine = true