feat: Adding in a custom statuscolumn formatting function and lua file

nvim/lua/autocmds.lua

@@ -1,22 +1,43 @@
+-- Autocommands for handling large files and switching between large file buffers and others
+local largefile_group = vim.api.nvim_create_augroup('largefile', { clear = true })
+local max_filesize = 4 * (1024 * 1024) -- 4 MB
+
+local old_eventignore = false
+
 -- Disables syntax, treesitter and folding on larger files
 vim.api.nvim_create_autocmd({ 'BufReadPre' }, {
-    pattern = '*',
-    group = vim.api.nvim_create_augroup('largefile', { clear = true }),
-    callback = function(args)
-        local max_filesize_MiB = 1
+    group = largefile_group,
+    callback = function(ev)
+        if ev.file then
+            local status, size = pcall(function() return vim.loop.fs_stat(ev.file).size end)
+            if status and size > max_filesize then
+                old_eventignore = vim.o.eventignore
+                vim.o.eventignore = 'FileType' -- Reduce the calls for filetype specific plugins or syntax highlighting
 
-        local _, stats = pcall(function()
-            return vim.loop.fs_stat(vim.api.nvim_buf_get_name(args.buf))
-        end)
-
-        local file_size = math.floor(0.5 + (stats.size / (1024 * 1024)))
-
-        if file_size > max_filesize_MiB then
-            print(string.format('File detected above %sMiB. Disabling syntax, treesitter, and folding.', max_filesize_MiB))
-            vim.api.nvim_command('set foldmethod=manual')
-            vim.api.nvim_command('set noswapfile')
-            vim.api.nvim_command('set noundofile')
-            vim.api.nvim_command('set noloadplugins')
+                vim.b[ev.buf].is_large_file = true
+                vim.bo['bufhidden'] = 'unload'
+                vim.bo['buftype'] = 'nowrite'
+                vim.bo['swapfile'] = false
+                vim.bo['undofile'] = false
+                vim.bo['undolevels'] = -1
+            end
         end
     end,
 })
+
+vim.api.nvim_create_autocmd({ 'BufWinEnter' }, {
+    group = largefile_group,
+    callback = function(ev)
+        if old_eventignore ~= false then
+            vim.o.eventignore = old_eventignore -- Restore the old setting
+            old_eventignore = false
+        end
+        if vim.b[ev.buf].is_large_file then
+            vim.wo.wrap = false
+        else
+            vim.wo.wrap = vim.o.wrap -- Restore to default setting
+        end
+    end
+})
+
+-- End large file handling