Allow to disable trailing spaces removal for certain languages

nvim/init.lua

@@ -40,12 +40,16 @@ vim.opt.updatetime = 300
 vim.opt.list = true
 vim.opt.listchars = { trail = '·', tab = '  ', nbsp = '¬' }
 
--- Auto remove trailing spaces
+-- Auto remove trailing spaces for allowed files
+vim.g.trim_trailing_spaces_exclude = {}
 vim.api.nvim_create_autocmd({'BufWritePre'}, {
-  pattern = {'*'},
-  callback = function(ev)
-      vim.cmd('%s/\\s\\+$//e')
-  end
+    pattern = {'*'},
+    callback = function(ev)
+        local excludes = vim.g.trim_trailing_spaces_exclude or {}
+        if not vim.tbl_contains(excludes, vim.bo.filetype) then
+            vim.cmd('%s/\\s\\+$//e')
+        end
+    end
 })
 
 -- COLOR --