Update .gitignore

* feat: add basic function signature help

* Update init.lua

Co-authored-by: makeworld <25111343+makew0rld@users.noreply.github.com>

---------

Co-authored-by: makeworld <25111343+makew0rld@users.noreply.github.com>

.gitignore

@@ -4,4 +4,3 @@ test.sh
 nvim
 
 spell/
-lazy-lock.json

init.lua

@@ -156,6 +156,11 @@ vim.opt.cursorline = true
 -- Minimal number of screen lines to keep above and below the cursor.
 vim.opt.scrolloff = 10
 
+-- if performing an operation that would fail due to unsaved changes in the buffer (like `:q`),
+-- instead raise a dialog asking if you wish to save the current file(s)
+-- See `:help 'confirm'`
+vim.opt.confirm = true
+
 -- [[ Basic Keymaps ]]
 --  See `:help vim.keymap.set()`
 
@@ -558,13 +563,26 @@ require('lazy').setup({
           --  For example, in C this would take you to the header.
           map('gD', vim.lsp.buf.declaration, '[G]oto [D]eclaration')
 
+          -- This function resolves a difference between neovim nightly (version 0.11) and stable (version 0.10)
+          ---@param client vim.lsp.Client
+          ---@param method vim.lsp.protocol.Method
+          ---@param bufnr? integer some lsp support methods only in specific files
+          ---@return boolean
+          local function client_supports_method(client, method, bufnr)
+            if vim.fn.has 'nvim-0.11' == 1 then
+              return client:supports_method(method, bufnr)
+            else
+              return client.supports_method(method, { bufnr = bufnr })
+            end
+          end
+
           -- The following two autocommands are used to highlight references of the
           -- word under your cursor when your cursor rests there for a little while.
           --    See `:help CursorHold` for information about when this is executed
           --
           -- When you move your cursor, the highlights will be cleared (the second autocommand).
           local client = vim.lsp.get_client_by_id(event.data.client_id)
-          if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then
+          if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_documentHighlight, event.buf) then
             local highlight_augroup = vim.api.nvim_create_augroup('kickstart-lsp-highlight', { clear = false })
             vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
               buffer = event.buf,
@@ -591,7 +609,7 @@ require('lazy').setup({
           -- code, if the language server you are using supports them
           --
           -- This may be unwanted, since they displace some of your code
-          if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_inlayHint) then
+          if client and client_supports_method(client, vim.lsp.protocol.Methods.textDocument_inlayHint, event.buf) then
             map('<leader>th', function()
               vim.lsp.inlay_hint.enable(not vim.lsp.inlay_hint.is_enabled { bufnr = event.buf })
             end, '[T]oggle Inlay [H]ints')
@@ -599,15 +617,34 @@ require('lazy').setup({
         end,
       })
 
-      -- Change diagnostic symbols in the sign column (gutter)
-      -- if vim.g.have_nerd_font then
-      --   local signs = { ERROR = '', WARN = '', INFO = '', HINT = '' }
-      --   local diagnostic_signs = {}
-      --   for type, icon in pairs(signs) do
-      --     diagnostic_signs[vim.diagnostic.severity[type]] = icon
-      --   end
-      --   vim.diagnostic.config { signs = { text = diagnostic_signs } }
-      -- end
+      -- Diagnostic Config
+      -- See :help vim.diagnostic.Opts
+      vim.diagnostic.config {
+        severity_sort = true,
+        float = { border = 'rounded', source = 'if_many' },
+        underline = { severity = vim.diagnostic.severity.ERROR },
+        signs = vim.g.have_nerd_font and {
+          text = {
+            [vim.diagnostic.severity.ERROR] = '󰅚 ',
+            [vim.diagnostic.severity.WARN] = '󰀪 ',
+            [vim.diagnostic.severity.INFO] = '󰋽 ',
+            [vim.diagnostic.severity.HINT] = '󰌶 ',
+          },
+        } or {},
+        virtual_text = {
+          source = 'if_many',
+          spacing = 2,
+          format = function(diagnostic)
+            local diagnostic_message = {
+              [vim.diagnostic.severity.ERROR] = diagnostic.message,
+              [vim.diagnostic.severity.WARN] = diagnostic.message,
+              [vim.diagnostic.severity.INFO] = diagnostic.message,
+              [vim.diagnostic.severity.HINT] = diagnostic.message,
+            }
+            return diagnostic_message[diagnostic.severity]
+          end,
+        },
+      }
 
       -- LSP servers and clients are able to communicate to each other what features they support.
       --  By default, Neovim doesn't support everything that is in the LSP specification.
@@ -675,6 +712,8 @@ require('lazy').setup({
       require('mason-tool-installer').setup { ensure_installed = ensure_installed }
 
       require('mason-lspconfig').setup {
+        ensure_installed = {}, -- explicitly set to an empty table (Kickstart populates installs via mason-tool-installer)
+        automatic_installation = false,
         handlers = {
           function(server_name)
             local server = servers[server_name] or {}
@@ -767,6 +806,7 @@ require('lazy').setup({
       --  into multiple repos for maintenance purposes.
       'hrsh7th/cmp-nvim-lsp',
       'hrsh7th/cmp-path',
+      'hrsh7th/cmp-nvim-lsp-signature-help',
     },
     config = function()
       -- See `:help cmp`
@@ -843,6 +883,7 @@ require('lazy').setup({
           { name = 'nvim_lsp' },
           { name = 'luasnip' },
           { name = 'path' },
+          { name = 'nvim_lsp_signature_help' },
         },
       }
     end,
@@ -855,14 +896,18 @@ require('lazy').setup({
     -- If you want to see what colorschemes are already installed, you can use `:Telescope colorscheme`.
     'folke/tokyonight.nvim',
     priority = 1000, -- Make sure to load this before all the other start plugins.
-    init = function()
+    config = function()
+      ---@diagnostic disable-next-line: missing-fields
+      require('tokyonight').setup {
+        styles = {
+          comments = { italic = false }, -- Disable italics in comments
+        },
+      }
+
       -- Load the colorscheme here.
       -- Like many other themes, this one has different styles, and you could load
       -- any other, such as 'tokyonight-storm', 'tokyonight-moon', or 'tokyonight-day'.
       vim.cmd.colorscheme 'tokyonight-night'
-
-      -- You can configure highlights by doing something like:
-      vim.cmd.hi 'Comment gui=none'
     end,
   },