move to nvim lua and lsp

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

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+require("rahcodes.set")
+require("rahcodes.remap")
+require("rahcodes.packer")

.config/nvim/lua/rahcodes/keymap.lua

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+local M = {}
+
+local function bind(op, outer_opts)
+  outer_opts = outer_opts or {noremap = true}
+  return function(lhs, rhs, opts)
+    opts = vim.tbl_extend("force",
+      outer_opts,
+      opts or {}
+    )
+    vim.keymap.set(op, lhs,rhs, opts)
+  end
+end
+
+M.nmap = bind("n", {noremap = false})
+M.nnoremap = bind("n")
+M.vnoremap = bind("v")
+M.xnoremap = bind("x")
+M.inoremap = bind("i")
+
+return M

.config/nvim/lua/rahcodes/packer.lua

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+-- This file can be loaded by calling `lua require('plugins')` from your init.vim
+local ensure_packer = function()
+	local fn = vim.fn
+	local install_path = fn.stdpath("data") .. "/site/pack/packer/start/packer.nvim"
+	if fn.empty(fn.glob(install_path)) > 0 then
+		fn.system({ "git", "clone", "--depth", "1", "https://github.com/wbthomason/packer.nvim", install_path })
+		vim.cmd([[packadd packer.nvim]])
+		return true
+	end
+	return false
+end
+
+local packer_bootstrap = ensure_packer()
+
+return require("packer").startup(function(use)
+	-- Packer can manage itself
+	use("wbthomason/packer.nvim")
+	use("folke/tokyonight.nvim")
+	use({
+		"nvim-telescope/telescope.nvim",
+		tag = "0.1.0",
+		requires = { { "nvim-lua/plenary.nvim" } },
+	})
+	use({
+		"nvim-treesitter/nvim-treesitter",
+		run = function()
+			local ts_update = require("nvim-treesitter.install").update({ with_sync = true })
+			ts_update()
+		end,
+	})
+	use({ "williamboman/mason.nvim" })
+	use({ "williamboman/mason-lspconfig.nvim" })
+
+	-- configure lsp servers
+	use("neovim/nvim-lspconfig")
+	use("hrsh7th/cmp-nvim-lsp")
+	use("hrsh7th/cmp-buffer")
+	use("hrsh7th/nvim-cmp")
+	-- use("tzachar/cmp-tabnine", { run = "./install.sh" })
+	use("onsails/lspkind-nvim")
+	use("nvim-lua/lsp_extensions.nvim")
+	use("glepnir/lspsaga.nvim")
+	use("simrat39/symbols-outline.nvim")
+	use("L3MON4D3/LuaSnip")
+	use("saadparwaiz1/cmp_luasnip")
+
+	-- formatting & linting
+	use("jose-elias-alvarez/null-ls.nvim")
+	use("jayp0521/mason-null-ls.nvim")
+
+	use({
+		"nvim-lualine/lualine.nvim",
+		requires = { "nvim-tree/nvim-web-devicons", opt = true },
+	})
+
+	use({
+		"lewis6991/gitsigns.nvim",
+		config = function()
+			require("gitsigns").setup()
+		end,
+	})
+
+	use({
+		"folke/trouble.nvim",
+		requires = "kyazdani42/nvim-web-devicons",
+		config = function()
+			require("trouble").setup({
+				-- your configuration comes here
+				-- or leave it empty to use the default settings
+				-- refer to the configuration section below
+			})
+		end,
+	})
+
+	-- Automatically set up your configuration after cloning packer.nvim
+	-- Put this at the end after all plugins
+	if packer_bootstrap then
+		require("packer").sync()
+	end
+end)

.config/nvim/lua/rahcodes/remap.lua

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+local nnoremap = require("rahcodes.keymap").nnoremap
+
+nnoremap("<leader>pv", "<cmd>Ex<CR>")
+
+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})
+
+vim.keymap.set('n', '<leader>m', builtin.oldfiles, {})
+vim.keymap.set('n', '<leader>gb', builtin.git_branches, {})
+vim.keymap.set('n', '<leader>gs', builtin.git_status, {})
+vim.keymap.set('n', '<leader><leader>', builtin.git_files, {})

.config/nvim/lua/rahcodes/set.lua

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+vim.opt.guicursor = ""
+
+vim.opt.nu = true
+vim.opt.relativenumber = true
+
+vim.opt.tabstop = 2
+vim.opt.softtabstop = 2
+vim.opt.shiftwidth = 2
+vim.opt.expandtab = true
+vim.opt.hlsearch = false
+vim.opt.incsearch = true
+
+vim.opt.smartindent = true
+
+vim.opt.wrap = false
+
+vim.g.mapleader = " "
+
+vim.g.netrw_browse_split = 0
+vim.g.netrw_banner = 0
+vim.g.netrw_winsize = 25
+