From 03a7511bf2fa931f8550b1bab2ac0136b6d3a13e Mon Sep 17 00:00:00 2001
From: Charles Danesi <charles@charlesdanesi.net>
Date: Fri, 29 Nov 2024 14:31:10 -0500
Subject: [PATCH] style: improve diagnostics display on tabs

---
 .config/nvim/lua/plugins/bufferline.lua | 125 ++++++++++++------------
 1 file changed, 63 insertions(+), 62 deletions(-)

diff --git a/.config/nvim/lua/plugins/bufferline.lua b/.config/nvim/lua/plugins/bufferline.lua
index 20c3b7c..eb1e4f8 100644
--- a/.config/nvim/lua/plugins/bufferline.lua
+++ b/.config/nvim/lua/plugins/bufferline.lua
@@ -1,65 +1,66 @@
 return {
-  'akinsho/bufferline.nvim',
-  dependencies = { 'nvim-tree/nvim-web-devicons' },
-  version = '*',
-  event = 'VeryLazy',
-  opts = {
-    options = {
-      mode = 'buffers',
-      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,
-      always_show_bufferline = false,
-      show_tab_indicators = false,
-      color_icons = true,
-      show_buffer_icons = true,
-      persist_buffer_sort = true,
-      indicator = {
-        style = 'underline',
+   'akinsho/bufferline.nvim',
+   dependencies = { 'nvim-tree/nvim-web-devicons' },
+   version = '*',
+   event = 'VeryLazy',
+   opts = {
+      options = {
+         mode = 'buffers',
+         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
+
+            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,
+         indicator = {
+            style = 'underline',
+         },
+         buffer_close_icon = '󰅖',
+         modified_icon = '● ',
+         close_icon = ' ',
+         left_trunc_marker = ' ',
+         right_trunc_marker = ' ',
+         offsets = {
+            {
+               filetype = 'NvimTree',
+               text = function()
+                  return vim.fn.getcwd()
+               end,
+               highlight = 'Directory',
+               separator = true,
+            },
+         },
+         sort_by = 'insert_at_end',
+         persist_buffer_sort = true,
+         custom_areas = {
+            right = function()
+               local result = {}
+               local seve = vim.diagnostic.severity
+               local error = #vim.diagnostic.get(0, { severity = seve.ERROR })
+               local warning = #vim.diagnostic.get(0, { severity = seve.WARN })
+               local info = #vim.diagnostic.get(0, { severity = seve.INFO })
+               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,
+         },
       },
-      buffer_close_icon = '󰅖',
-      modified_icon = '● ',
-      close_icon = ' ',
-      left_trunc_marker = ' ',
-      right_trunc_marker = ' ',
-      offsets = {
-        {
-          filetype = 'NvimTree',
-          text = function()
-            return vim.fn.getcwd()
-          end,
-          highlight = 'Directory',
-          separator = true,
-        },
-      },
-      sort_by = 'insert_at_end',
-      custom_areas = {
-        right = function()
-          local result = {}
-          local seve = vim.diagnostic.severity
-          local error = #vim.diagnostic.get(0, { severity = seve.ERROR })
-          local warning = #vim.diagnostic.get(0, { severity = seve.WARN })
-          local info = #vim.diagnostic.get(0, { severity = seve.INFO })
-          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,
-      },
-    },
-  },
+   },
 }
\ No newline at end of file