style: improve diagnostics display on tabs

.config/nvim/lua/plugins/bufferline.lua

@@ -9,19 +9,21 @@ return {
          numbers = 'both', -- or buffer_id
          separator_style = 'slant',
          diagnostics = 'nvim_lsp',
-      -- diagnostics_indicator = function(count, level, diagnostics_dict, context)
-      --    local s = " "
-      --    for e, n in pairs(diagnostics_dict) do
-      --       local sym = e == "error" and " " or (e == "warning" and " " or " ")
-      --       s = s .. n .. sym
-      --    end
-      --    return s
-      -- end,
+         diagnostics_indicator = function(count, level, diagnostics_dict, context)
+            local s = ' '
+            for e, n in pairs(diagnostics_dict) do
+               local sym = e == 'error' and ' ' or (e == 'warning' and ' ' or ' ')
+               s = s .. n .. sym
+            end
+
+            if context.buffer:current() then return '' end
+
+            return s
+         end,
          always_show_bufferline = false,
          show_tab_indicators = false,
          color_icons = true,
          show_buffer_icons = true,
-      persist_buffer_sort = true,
          indicator = {
             style = 'underline',
          },
@@ -41,6 +43,7 @@ return {
             },
          },
          sort_by = 'insert_at_end',
+         persist_buffer_sort = true,
          custom_areas = {
             right = function()
                local result = {}
@@ -51,12 +54,10 @@ return {
                local hint = #vim.diagnostic.get(0, { severity = seve.HINT })
 
                if error ~= 0 then table.insert(result, { text = '  ' .. error, link = 'DiagnosticError' }) end
-
                if warning ~= 0 then table.insert(result, { text = '  ' .. warning, link = 'DiagnosticWarn' }) end
-
                if hint ~= 0 then table.insert(result, { text = '  ' .. hint, link = 'DiagnosticHint' }) end
-
                if info ~= 0 then table.insert(result, { text = '  ' .. info, link = 'DiagnosticInfo' }) end
+
                return result
             end,
          },