neovim from scracth part 1

.config/nvim/lua/config/autocmds.lua

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+vim.api.nvim_create_autocmd('TextYankPost', {
+  desc = 'Highlight when yanking (copying) text',
+  group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
+  callback = function()
+    vim.highlight.on_yank()
+  end,
+})

.config/nvim/lua/config/init.lua

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+require("config.options")
+require("config.plugins")
+require("config.keymaps")
+require("config.autocmds")

.config/nvim/lua/config/keymaps.lua

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+-- General --
+
+-- hjkl to ijkl remap
+vim.keymap.set({ 'n', 'v', 'o' }, 'j', 'h', { desc = 'hjkl to ijkl' })
+vim.keymap.set({ 'n', 'v', 'o' }, 'h', 'i', { desc = 'hjkl to ijkl' })
+vim.keymap.set({ 'n', 'v', 'o' }, 'i', 'k', { desc = 'hjkl to ijkl' })
+vim.keymap.set({ 'n', 'v', 'o' }, 'k', 'j', { desc = 'hjkl to ijkl' })
+
+
+-- indentation
+vim.keymap.set('n', '<Tab>', '>>', { desc = 'tab indent ' })
+vim.keymap.set('n', '<S-Tab>', '<<', { desc = 'S-tab unindent ' })
+vim.keymap.set({ 'v', 'o' }, '<Tab>', '>', { desc = 'tab indent ' })
+vim.keymap.set({ 'v', 'o' }, '<S-Tab>', '<', { desc = 'S-tab unindent ' })
+
+
+-- scrolling
+vim.keymap.set({ 'n', 'v', 'o' }, '<C-d>', '<C-d>zz', { desc = 'centered scroll' })
+vim.keymap.set({ 'n', 'v', 'o' }, '<C-u>', '<C-u>zz', { desc = 'centered scroll' })
+
+-- start of line
+vim.keymap.set({ 'n', 'v', 'o' }, '#', '_', { desc = '# start of line' })
+
+-- save 
+vim.keymap.set('n', '<C-s>', ':w<CR>', { desc = 'ctrl-s save' })
+
+-- Buffers --
+vim.keymap.set('n', '<leader>l', ':tabnext<CR>', { desc = 'next buffer' })
+vim.keymap.set('n', '<leader>j', ':tabprev<CR>', { desc = 'previous buffer' })
+
+-- Telescope --
+local builtin = require('telescope.builtin')
+
+vim.keymap.set('n', '<C-o>', builtin.find_files, { desc = 'Telescope find files' })
+
+vim.keymap.set('n', '<leader>/', function()
+  -- You can pass additional configuration to Telescope to change the theme, layout, etc.
+  builtin.current_buffer_fuzzy_find(require('telescope.themes').get_dropdown {
+    winblend = 10,
+    previewer = false,
+  })
+end, { desc = '[/] Fuzzily search in current buffer' })

.config/nvim/lua/config/options.lua

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+vim.g.mapleader = ' '
+vim.g.maplocalleader = ' '
+
+vim.g.have_nerd_font = true
+
+vim.opt.number = true
+vim.opt.relativenumber = true
+
+vim.opt.mouse = 'a'
+
+vim.opt.showmode = false
+
+vim.schedule(function()
+  vim.opt.clipboard = 'unnamedplus'
+end)
+
+vim.opt.breakindent = true
+
+-- save undo history
+vim.opt.undofile = true
+
+-- Case insensitve search normally
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+
+-- Configure how new splits should be opened
+vim.opt.splitright = true
+vim.opt.splitbelow = true
+
+-- highlight current cursor line
+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
+
+vim.opt.signcolumn = yes
+
+vim.o.showtabline = 2

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

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+-- [[ Install `lazy.nvim` plugin manager ]]
+--    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info
+local lazypath = vim.fn.stdpath 'data' .. '/lazy/lazy.nvim'
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
+  local lazyrepo = 'https://github.com/folke/lazy.nvim.git'
+  local out = vim.fn.system { 'git', 'clone', '--filter=blob:none', '--branch=stable', lazyrepo, lazypath }
+  if vim.v.shell_error ~= 0 then
+    error('Error cloning lazy.nvim:\n' .. out)
+  end
+end ---@diagnostic disable-next-line: undefined-field
+vim.opt.rtp:prepend(lazypath)
+
+require('lazy').setup({
+
+  'tpope/vim-sleuth', -- Detect tabstop and shiftwidth automatically
+  {
+    'm4xshen/autoclose.nvim',
+    config = function()
+      require('autoclose').setup({})
+    end
+  },
+  {
+    'lewis6991/gitsigns.nvim',
+    opts = {
+      signs = {
+          add          = { text = '┃' },
+          change       = { text = '┃' },
+          delete       = { text = '_' },
+          topdelete    = { text = '‾' },
+          changedelete = { text = '~' },
+          untracked    = { text = '┆' },
+        },
+        signs_staged = {
+          add          = { text = '┃' },
+          change       = { text = '┃' },
+          delete       = { text = '_' },
+          topdelete    = { text = '‾' },
+          changedelete = { text = '~' },
+          untracked    = { text = '┆' },
+        },
+        signs_staged_enable = true,
+        signcolumn = true
+      }
+  },
+
+  {
+      'nvim-telescope/telescope.nvim',
+      dependencies = { 
+        'nvim-lua/plenary.nvim',
+
+        {
+          'nvim-telescope/telescope-fzf-native.nvim',
+
+          build = 'make',
+
+          -- cond = function()
+          --   return vim.fn.executable 'make' == 1
+          -- end,
+        },
+      },
+      config = function()
+        local actions = require('telescope.actions')
+        local actions_state = require('telescope.actions.state')
+        require('telescope').setup({
+          defaults = {
+            mappings = {
+              i = {
+                ["<esc>"] = actions.close,
+                ["<C-k>"] = actions.move_selection_next,
+                ["<C-i>"] = actions.move_selection_previous,
+              }
+
+            }
+          },
+          pickers = {
+            find_files = {
+              mappings = {
+                i = {
+                  ["<CR>"] = function(prompt_bufnr)
+                    local selection = actions_state.get_selected_entry()
+                    actions.close(prompt_bufnr)
+                    vim.cmd("tabnew " .. vim.fn.fnameescape(selection.path or selection.filename))
+                  end
+                }
+              }
+            }
+          }         
+        })
+        pcall(require('telescope').load_extension, 'fzf')
+      end
+  },
+
+  {
+      'nanozuki/tabby.nvim',
+      dependencies = 'nvim-tree/nvim-web-devicons',
+      config = function()
+        local theme = {
+        -- this is carbonfox theme
+          fill = 'TabLineFill',
+          head = { fg = '#75beff', bg = '#1c1e26' },
+          current_tab = { fg = '#1c1e26', bg = '#75beff' },
+          tab = { fg = '#c5cdd9', bg = '#1c1e26' },
+          win = { fg = '#1c1e26', bg = '#75beff' },
+          tail = { fg = '#75beff', bg = '#1c1e26' },
+        }
+
+        require('tabby.tabline').set(function(line)
+          return {
+            {
+              { '  ', hl = theme.head },
+              line.sep('', theme.head, theme.fill),
+            },
+            line.tabs().foreach(function(tab)
+
+              local hl = tab.is_current() and theme.current_tab or theme.tab
+
+              -- remove count of wins in tab with [n+] included in tab.name()
+              local name = tab.name()
+              local index = string.find(name, "%[%d")
+              local tab_name = index and string.sub(name, 1, index - 1) or name
+
+              -- indicate if any of buffers in tab have unsaved changes
+              local modified = false
+              local win_ids = require('tabby.module.api').get_tab_wins(tab.id)
+              for _, win_id in ipairs(win_ids) do
+                  if pcall(vim.api.nvim_win_get_buf, win_id) then
+                      local bufid = vim.api.nvim_win_get_buf(win_id)
+                      if vim.api.nvim_buf_get_option(bufid, "modified") then
+                          modified = true
+                          break
+                      end
+                  end
+              end
+
+              return {
+                line.sep('', hl, theme.fill),
+                tab_name,
+                modified and '',
+                line.sep('', hl, theme.fill),
+                hl = hl,
+                margin = ' ',
+              }
+            end),
+            line.spacer(),
+            {
+              line.sep('', theme.tail, theme.fill),
+              { '  ', hl = theme.tail },
+            },
+            hl = theme.fill,
+          }
+        end)
+      end
+  },
+
+  {
+      'nvim-lualine/lualine.nvim',
+      dependencies = { 'nvim-tree/nvim-web-devicons' },
+      opts = {
+        options = {
+          theme = 'ayu_mirage'
+        }
+      }
+  }
+})
+
+