abort complete using <C-n> for [n]o

Provide a method to disable autoformat on save lsp fallback for
specified filetypes. By default disable for C/C++ as an example,
because it does not have a well standardized coding style.

Based on conform recipe:
https://github.com/stevearc/conform.nvim/blob/master/doc/recipes.md

README.md

@@ -83,10 +83,10 @@ current plugin status.
 ### FAQ
 
 * What should I do if I already have a pre-existing neovim configuration?
-  * You should back it up, then delete all files associated with it.
+  * You should back it up and then delete all associated files.
   * This includes your existing init.lua and the neovim files in `~/.local` which can be deleted with `rm -rf ~/.local/share/nvim/` or their windows counterparts in `AppData\Local\nvim-data`
 * Can I keep my existing configuration in parallel to kickstart?
-  * Yes! You can use [NVIM_APPNAME](https://neovim.io/doc/user/starting.html#%24NVIM_APPNAME)`=nvim-NAME` to maintain multiple configurations. For example you can install the kickstart configuration in `~/.config/nvim-kickstart` and create an alias:
+  * Yes! You can use [NVIM_APPNAME](https://neovim.io/doc/user/starting.html#%24NVIM_APPNAME)`=nvim-NAME` to maintain multiple configurations. For example, you can install the kickstart configuration in `~/.config/nvim-kickstart` and create an alias:
     ```sh
     alias nvim-kickstart='NVIM_APPNAME="nvim-kickstart" nvim'
     ```
@@ -111,7 +111,7 @@ winget install --accept-source-agreements chocolatey.chocolatey
 ```
 
 2. install all requirements using choco, exit previous cmd and
-open a new one so that choco path is set, run in cmd as **admin**:
+open a new one so that choco path is set, and run in cmd as **admin**:
 ```
 choco install -y neovim git ripgrep wget fd unzip gzip mingw make
 ```

lua/custom/plugins/filetree.lua

@@ -13,6 +13,22 @@ return {
     'MunifTanjim/nui.nvim',
   },
   config = function()
-    require('neo-tree').setup {}
+    require('neo-tree').setup {
+      filesystem = {
+        filtered_items = {
+          visible = true,
+          hide_dotfiles = false,
+          hide_gitignored = false,
+          hide_by_name = {
+            'node_modules',
+            '.svelte-kit',
+            'target',
+            '.git',
+            'bin',
+            'obj',
+          },
+        },
+      },
+    }
   end,
 }

lua/kickstart/plugins/cmp.lua

@@ -15,6 +15,7 @@ return {
           end
           return 'make install_jsregexp'
         end)(),
+        dependencies = {},
       },
       'saadparwaiz1/cmp_luasnip',
 
@@ -49,15 +50,15 @@ return {
         --
         -- No, but seriously. Please read `:help ins-completion`, it is really good!
         mapping = cmp.mapping.preset.insert {
-          -- Select the [n]ext item
-          ['<C-n>'] = cmp.mapping.select_next_item(),
-          -- Select the [p]revious item
-          ['<C-p>'] = cmp.mapping.select_prev_item(),
+          -- scroll the documentation window [b]ack / [f]orward
+          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+          ['<C-f>'] = cmp.mapping.scroll_docs(4),
 
-          -- Accept ([y]es) the completion.
+          -- Accept ([y]es/[n]o) the completion.
           --  This will auto-import if your LSP supports it.
           --  This will expand snippets if the LSP sent a snippet.
           ['<C-y>'] = cmp.mapping.confirm { select = true },
+          ['<C-n>'] = cmp.mapping.abort(),
 
           ['<C-b>'] = cmp.mapping.scroll_docs(-4),
           ['<C-f>'] = cmp.mapping.scroll_docs(4),
@@ -108,6 +109,9 @@ return {
               luasnip.jump(-1)
             end
           end, { 'i', 's' }),
+
+          -- For more advanced luasnip keymaps (e.g. selecting choice nodes, expansion) see:
+          --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
         },
         sources = {
           { name = 'nvim_lsp' },

lua/kickstart/plugins/conform.lua

@@ -3,10 +3,16 @@ return {
     'stevearc/conform.nvim',
     opts = {
       notify_on_error = false,
-      format_on_save = {
+      format_on_save = function(bufnr)
+        -- Disable "format_on_save lsp_fallback" for languages that don't
+        -- have a well standardized coding style. You can add additional
+        -- languages here or re-enable it for the disabled ones.
+        local disable_filetypes = { c = true, cpp = true }
+        return {
           timeout_ms = 500,
-        lsp_fallback = true,
-      },
+          lsp_fallback = not disable_filetypes[vim.bo[bufnr].filetype],
+        }
+      end,
       formatters_by_ft = {
         lua = { 'stylua' },
         -- Conform can also run multiple formatters sequentially

lua/kickstart/plugins/lspconfig.lua

@@ -10,6 +10,10 @@ return {
       -- Useful status updates for LSP.
       -- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})`
       { 'j-hui/fidget.nvim', opts = {} },
+
+      -- `neodev` configures Lua LSP for your Neovim config, runtime and plugins
+      -- used for completion, annotations and signatures of Neovim apis
+      { 'folke/neodev.nvim', opts = {} },
     },
     config = function()
       -- Brief Aside: **What is LSP?**
@@ -56,7 +60,7 @@ return {
 
           -- Jump to the definition of the word under your cursor.
           --  This is where a variable was first declared, or where a function is defined, etc.
-          --  To jump back, press <C-T>.
+          --  To jump back, press <C-t>.
           map('gd', require('telescope.builtin').lsp_definitions, '[G]oto [D]efinition')
 
           -- Find references for the word under your cursor.
@@ -152,19 +156,6 @@ return {
           -- capabilities = {},
           settings = {
             Lua = {
-              runtime = { version = 'LuaJIT' },
-              workspace = {
-                checkThirdParty = false,
-                -- Tells lua_ls where to find all the Lua files that you have loaded
-                -- for your neovim configuration.
-                library = {
-                  '${3rd}/luv/library',
-                  unpack(vim.api.nvim_get_runtime_file('', true)),
-                },
-                -- If lua_ls is really slow on your computer, you can try this instead:
-                -- library = { vim.env.VIMRUNTIME },
-              },
-              telemetry = { enable = false },
               completion = {
                 callSnippet = 'Replace',
               },

lua/kickstart/plugins/tokyonight.lua

@@ -5,9 +5,8 @@ return {
     --
     -- If you want to see what colorschemes are already installed, you can use `:Telescope colorscheme`
     'folke/tokyonight.nvim',
-    lazy = false, -- make sure we load this during startup if it is your main colorscheme
     priority = 1000, -- make sure to load this before all the other start plugins
-    config = function()
+    init = function()
       -- 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'.

lua/kickstart/plugins/treesitter.lua

@@ -8,23 +8,23 @@ return {
       'nvim-treesitter/nvim-treesitter-textobjects',
     },
     build = ':TSUpdate',
-    config = function()
-      -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
-
-      ---@diagnostic disable-next-line: missing-fields
-      require('nvim-treesitter.configs').setup {
+    opts = {
       ensure_installed = { 'lua', 'python', 'rust', 'javascript', 'typescript', 'vimdoc', 'vim', 'svelte', 'c_sharp' },
       -- Autoinstall languages that are not installed
-        auto_install = false,
+      auto_install = true,
       -- Enable autotags and -rename
       autotag = {
         enable = true,
         enable_autocmd = true,
       },
-        -- Install languages synchronously (only applied to `ensure_installed`)
-        sync_install = false,
-        highlight = { enable = true },
-        indent = { enable = true },
+      highlight = {
+        enable = true,
+        -- Some languages depend on vim's regex highlighting system (such as Ruby) for indent rules.
+        --  If you are experiencing weird indenting issues, add the language to
+        --  the list of additional_vim_regex_highlighting and disabled languages for indent.
+        additional_vim_regex_highlighting = { 'ruby' },
+      },
+      indent = { enable = true, disable = { 'ruby' } },
       incremental_selection = {
         enable = true,
         keymaps = {
@@ -78,7 +78,12 @@ return {
           },
         },
       },
-      }
+    },
+    config = function(_, opts)
+      -- [[ Configure Treesitter ]] See `:help nvim-treesitter`
+
+      ---@diagnostic disable-next-line: missing-fields
+      require('nvim-treesitter.configs').setup(opts)
     end,
   },
 }

lua/lazy-plugins.lua

@@ -69,9 +69,6 @@ require('lazy').setup({
   -- "gc" to comment visual regions/lines
   { 'numToStr/Comment.nvim', opts = {} },
 
-  -- Setup neovim lua configuration
-  { 'folke/neodev.nvim', opts = {} },
-
   -- modular approach: using `require 'path/name'` will
   -- include a plugin definition from file lua/path/name.lua
 

lua/options.lua

@@ -55,6 +55,9 @@ vim.opt.signcolumn = 'yes'
 
 -- Decrease update time
 vim.opt.updatetime = 250
+
+-- Decrease mapped sequence wait time
+-- Displays which-key popup sooner
 vim.opt.timeoutlen = 300
 
 -- Configure how new splits should be opened