deprecated function

lua/config/options.lua

@@ -109,14 +109,36 @@ opt.foldexpr = 'nvim_treesitter#foldexpr()'
 opt.foldexpr = 'nvim_treesitter#foldexpr()'
 
 vim.diagnostic.config({
-  virtual_text = false,
-  signs = true,
-  float = {
-    border = 'single',
-    format = function(diagnostic)
-      return string.format('%s (%s) [%s]', diagnostic.message, diagnostic.source, diagnostic.code or diagnostic.user_data.lsp.code)
-    end,
+  signs = {
+    text = {
+      [vim.diagnostic.severity.ERROR] = '', -- Nerd Font Error Icon
+      [vim.diagnostic.severity.WARN]  = '', -- Nerd Font Warning Icon
+      [vim.diagnostic.severity.INFO]  = '', -- Nerd Font Info Icon
+      [vim.diagnostic.severity.HINT]  = '', -- Nerd Font Hint Icon (example)
+    },
+    -- Define the highlight group to use for the sign text for each severity
+    texthl = {
+      [vim.diagnostic.severity.ERROR] = 'DiagnosticSignError',
+      [vim.diagnostic.severity.WARN]  = 'DiagnosticSignWarn',
+      [vim.diagnostic.severity.INFO]  = 'DiagnosticSignInfo',
+      [vim.diagnostic.severity.HINT]  = 'DiagnosticSignHint',
+    },
+    -- Optional: Highlight the line number column
+    numhl = {
+      [vim.diagnostic.severity.ERROR] = 'DiagnosticLineNrError',
+      -- Add others for WARN, INFO, HINT if desired
+    },
+    -- Optional: Highlight the whole line
+    linehl = {
+      -- Define highlight groups like 'DiagnosticLineError', 'DiagnosticLineWarn', etc.
+      [vim.diagnostic.severity.ERROR] = 'DiagnosticLineError',
+    },
   },
+  -- Other diagnostic configurations (optional examples)
+  virtual_text = false,         -- Disable virtual text (inline messages)
+  underline = true,             -- Enable underlining diagnostics
+  update_in_insert = false,     -- Don't update diagnostics in insert mode
+  severity_sort = true,         -- Sort diagnostics by severity
 })
 
 -- Window border for floating windows

lua/plugins/lspconfig.lua

@@ -116,23 +116,7 @@ return {
       },
     }
 
-    local diagnostics = {
-      Error = ' ',
-      Warning = ' ',
-      Information = ' ',
-      Question = ' ',
-      Hint = ' ',
-    }
-    local signs = {
-      { name = 'DiagnosticSignError', text = diagnostics.Error },
-      { name = 'DiagnosticSignWarn',  text = diagnostics.Warning },
-      { name = 'DiagnosticSignHint',  text = diagnostics.Hint },
-      { name = 'DiagnosticSignInfo',  text = diagnostics.Information },
-    }
 
-    for _, sign in ipairs(signs) do
-      vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = sign.name })
-    end
 
     OpenDiagFloat = function()
       for _, winid in pairs(vim.api.nvim_tabpage_list_wins(0)) do