Add new config for neovim

config/nvim/init.lua

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+-- Locals
+local fn = vim.fn
+
+-- Install packer automagically
+local install_path = fn.stdpath("data") .. "/site/pack/packer/start/packer.nvim"
+if fn.empty(fn.glob(install_path)) > 0 then
+	PACKER_BOOTSTRAP = fn.system({
+		"git",
+		"clone",
+		"--depth",
+		"1",
+		"https://github.com/wbthomason/packer.nvim",
+		install_path,
+	})
+end
+
+require("packer").startup(function(use)
+	use({ "wbthomason/packer.nvim" })
+
+	use({ "nvim-lua/popup.nvim" })
+	use({ "nvim-lua/plenary.nvim" })
+
+	-- Colorschemes go here
+	use({ "folke/tokyonight.nvim" })
+
+	-- Make commenting code great
+	use({ "tpope/vim-commentary" })
+
+	-- Icons used by many plugins
+	use({ "kyazdani42/nvim-web-devicons" })
+
+	-- Auto pairs plugin that automatically closes brackets and quotes
+	use({ "windwp/nvim-autopairs" })
+
+	-- File tree
+	use({ "kyazdani42/nvim-tree.lua" })
+
+	-- Treesitter for better syntax highlighting
+	use({
+		"nvim-treesitter/nvim-treesitter",
+		run = ":TSUpdate",
+		{
+			{ "JoosepAlviste/nvim-ts-context-commentstring" },
+			{ "nvim-treesitter/playground" },
+			{ "windwp/nvim-ts-autotag" },
+		},
+	})
+
+	-- Git things
+	use({ "lewis6991/gitsigns.nvim" })
+	use({ "tpope/vim-fugitive" })
+
+	-- LSP stuff
+	use({ "neovim/nvim-lspconfig" })
+	use({ "williamboman/nvim-lsp-installer" })
+	use({ "jose-elias-alvarez/null-ls.nvim" })
+
+	-- Completion, snippets, etc
+	use({
+		"hrsh7th/nvim-cmp",
+		{
+			{ "hrsh7th/cmp-nvim-lsp" },
+			{ "hrsh7th/cmp-buffer" },
+			{ "hrsh7th/cmp-path" },
+			{ "hrsh7th/cmp-cmdline" },
+		},
+	})
+	use({ "L3MON4D3/LuaSnip", {
+		"saadparwaiz1/cmp_luasnip",
+	} })
+
+	use({ "nvim-telescope/telescope.nvim" })
+
+	-- Statusline
+	use({ "nvim-lualine/lualine.nvim" })
+
+	-- Highlight todo comments
+	use({
+		"folke/todo-comments.nvim",
+		config = function()
+			require("todo-comments").setup({})
+		end,
+	})
+
+	use({
+		"folke/trouble.nvim",
+		config = function()
+			require("trouble").setup({})
+		end,
+	})
+
+	if PACKER_BOOTSTRAP then
+		require("packer").sync()
+	end
+end)
+
+vim.g.mapleader = " "
+
+require("user.options")
+require("user.theme")
+
+require("nvim-autopairs").setup({})
+
+require("user.file-tree")
+require("user.treesitter")
+require("user.telescope")
+require("user.git")
+require("user.lsp")
+require("user.lualine")
+require("user.remaps")

config/nvim/lua/user/file-tree.lua

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+local tree_cb = require("nvim-tree.config").nvim_tree_callback
+local nmap = require("user.utils").nmap
+
+require("nvim-tree").setup({
+	disable_netrw = true,
+	hijack_netrw = true,
+	open_on_setup = true,
+	hijack_cursor = true,
+	open_on_tab = true,
+	update_cwd = true,
+	auto_close = true,
+	update_focused_file = {
+		enable = true,
+	},
+	view = {
+		width = 30,
+		side = "left",
+		auto_resize = true,
+		mappings = {
+			list = {
+				{
+					key = "<C-t>",
+					cb = tree_cb("tabnew"),
+				},
+			},
+		},
+	},
+	filters = {
+		custom = { ".git" },
+	},
+	git = {
+		ignore = false,
+	},
+})
+
+vim.g.nvim_tree_add_trailing = 1
+vim.g.nvim_tree_indent_markers = 1
+-- TODO: Change git icons to something similar to vscode
+
+nmap("<leader>b", ":NvimTreeToggle<CR>")

config/nvim/lua/user/git.lua

@@ -0,0 +1,17 @@
+require("gitsigns").setup({
+	signcolumn = true,
+	keymaps = {
+		noremap = true,
+
+		["n <leader>gs"] = ":Gitsigns stage_hunk<CR>",
+		["n <leader>gu"] = ":Gitsigns undo_stage_hunk<CR>",
+		["n <leader>gr"] = ":Gitsigns reset_hunk<CR>",
+	},
+	current_line_blame = true,
+	current_line_blame_opts = {
+		delay = 1000,
+	},
+	current_line_blame_formatter_opts = {
+		relative_time = true,
+	},
+})

config/nvim/lua/user/lsp.lua

@@ -0,0 +1,179 @@
+local lsp_installer = require("nvim-lsp-installer")
+local cmp = require("cmp")
+local null_ls = require("null-ls")
+local list_includes_item = require("user.utils").list_includes_item
+
+local kind_icons = {
+	Text = "",
+	Method = "",
+	Function = "",
+	Constructor = "",
+	Field = "",
+	Variable = "",
+	Class = "ﴯ",
+	Interface = "",
+	Module = "",
+	Property = "ﰠ",
+	Unit = "",
+	Value = "",
+	Enum = "",
+	Keyword = "",
+	Snippet = "",
+	Color = "",
+	File = "",
+	Reference = "",
+	Folder = "",
+	EnumMember = "",
+	Constant = "",
+	Struct = "",
+	Event = "",
+	Operator = "",
+	TypeParameter = "",
+}
+
+local formatting = null_ls.builtins.formatting
+local diagnostics = null_ls.builtins.diagnostics
+
+null_ls.setup({
+	sources = {
+		formatting.prettierd,
+		formatting.stylua,
+		formatting.black,
+		formatting.gofmt,
+		formatting.goimports,
+		formatting.shfmt,
+	},
+	on_attach = function()
+		vim.cmd([[
+      augroup LspFormatting
+        autocmd! * <buffer>
+        autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()
+      augroup END
+    ]])
+	end,
+})
+
+-- Other formats that work weird with null_ls
+vim.cmd([[autocmd BufWritePre *.svelte lua vim.lsp.buf.formatting_sync(nil, 1000)]])
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			require("luasnip").lsp_expand(args.body)
+		end,
+	},
+	mapping = {
+		["<C-j>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Select }),
+		["<C-k>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Select }),
+		["<C-space>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.close()
+			else
+				cmp.complete()
+			end
+		end),
+		["<TAB>"] = cmp.mapping.confirm({
+			select = true,
+			behavior = cmp.SelectBehavior.Insert,
+		}),
+	},
+	sources = cmp.config.sources({
+		{ name = "nvim_lsp" },
+		{ name = "luasnip" },
+	}, {
+		{ name = "path" },
+		{ name = "buffer" },
+	}),
+	completion = {
+		completeopt = "menu,menuone,noselect,noinsert,preview",
+	},
+	experimental = {
+		ghost_text = true,
+	},
+	sorting = {
+		comparators = {
+			cmp.config.compare.score,
+			cmp.config.compare.sort_text,
+			cmp.config.compare.kind,
+		},
+	},
+	documentation = {
+		border = { "╭", "─", "╮", "│", "╯", "─", "╰", "│" },
+		zindex = 999,
+		format = { "markdown" },
+	},
+	formatting = {
+		format = function(entry, vim_item)
+			vim_item.kind = string.format("%s %s", kind_icons[vim_item.kind], vim_item.kind)
+			vim_item.menu = ({
+				buffer = "[Buffer]",
+				luasnip = "[Snippet]",
+				nvim_lua = "[Lua]",
+				path = "[File]",
+			})[entry.source.name]
+
+			return vim_item
+		end,
+	},
+})
+
+cmp.setup.cmdline("/", {
+	sources = {
+		{ name = "cmdline" },
+	},
+})
+
+cmp.setup.cmdline(":", {
+	sources = {
+		{ name = "cmdline" },
+	},
+})
+
+local capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+local lsps_with_disabled_formatting = { "tsserver", "gopls" }
+
+local on_attach = function(client)
+	if list_includes_item(lsps_with_disabled_formatting, client.name) then
+		client.resolved_capabilities.document_formatting = false
+		client.resolved_capabilities.document_range_formatting = false
+	end
+end
+
+lsp_installer.on_server_ready(function(server)
+	local opts = {
+		capabilities = capabilities,
+		on_attach = on_attach,
+	}
+
+	if server.name == "sumneko_lua" then
+		local runtime_path = vim.split(package.path, ";")
+		table.insert(runtime_path, "lua/?.lua")
+		table.insert(runtime_path, "lua/?/init/lua")
+
+		opts.settings = {
+			Lua = {
+				runtime = {
+					version = "LuaJIT",
+					path = runtime_path,
+				},
+				diagnostics = {
+					library = vim.api.nvim_get_runtime_file("", true),
+				},
+				telemetry = {
+					enable = false,
+				},
+			},
+		}
+	end
+
+	server:setup(opts)
+end)
+
+-- Don't show diagnostics as virtual text
+vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
+	update_in_insert = true,
+	virtual_text = false,
+})
+
+require("luasnip.loaders.from_vscode").load()

config/nvim/lua/user/lualine.lua

@@ -0,0 +1,60 @@
+local lualine = require("lualine")
+
+local hide_in_width = function()
+	return vim.fn.winwidth(0) > 80
+end
+
+local branch = {
+	"branch",
+	icons_enabled = true,
+	icon = "",
+}
+
+local diagnostics = {
+	"diagnostics",
+	sections = { "error", "warn" },
+	symbols = { error = " ", warn = " " },
+	colored = false,
+	update_in_insert = false,
+	always_visible = true,
+}
+
+local mode = {
+	"mode",
+	fmt = function(str)
+		return "-- " .. str .. " --"
+	end,
+}
+
+local diff = {
+	"diff",
+	colored = false,
+	symbols = { added = " ", modified = " ", removed = " " }, -- changes diff symbols
+	cond = hide_in_width,
+}
+
+local filetype = {
+	"filetype",
+}
+
+local location = function()
+	local line, column = unpack(vim.api.nvim_win_get_cursor(0))
+
+	return "Ln " .. line .. ", Col " .. column
+end
+
+lualine.setup({
+	options = {
+		disabled_filetypes = { "NvimTree" },
+		component_separators = { left = "", right = "" },
+		section_separators = { left = "", right = "" },
+	},
+	sections = {
+		lualine_a = { branch, diagnostics },
+		lualine_b = { mode },
+		lualine_c = {},
+		lualine_x = { diff, "encoding", filetype },
+		lualine_y = { location },
+		lualine_z = {},
+	},
+})

config/nvim/lua/user/options.lua

@@ -0,0 +1,30 @@
+local opt = vim.opt
+
+-- 2 tabs converted to spaces + autoindentation
+opt.tabstop = 2
+opt.shiftwidth = 2
+opt.expandtab = true
+opt.autoindent = true
+
+-- What the **** is this
+opt.shortmess = "filnxtToOFc"
+
+-- Create splits like a normal human being
+opt.splitbelow = true
+opt.splitright = true
+
+-- Other settings
+opt.number = true
+opt.relativenumber = true
+opt.wrap = true
+opt.swapfile = false
+opt.hidden = true
+opt.writebackup = false
+opt.encoding = "utf-8"
+opt.updatetime = 300
+opt.mouse = "a"
+opt.cursorline = true
+opt.clipboard = "unnamedplus"
+opt.fillchars:append({ eob = " " })
+
+-- TODO: Add settings for nvim-treesitter provided folding

config/nvim/lua/user/remaps.lua

@@ -0,0 +1,40 @@
+local utils = require("user.utils")
+local nmap = utils.nmap
+
+-- Move focus between splits
+nmap("<leader>h", "<C-w>h") -- Leader+h - focus left split
+nmap("<leader>l", "<C-w>l") -- Leader+l - focus right split
+nmap("<leader>j", "<C-w>j") -- Leader+j - focus split under focused one
+nmap("<leader>k", "<C-w>k") -- Leader+k - focus split above focused one
+
+-- Resize splits
+nmap("<C-j>", ":resize -2<CR>") -- Control+j - decrease split height
+nmap("<C-k>", ":resize +2<CR>") -- Control+k - increase split height
+nmap("<C-h>", ":vert resize -5<CR>") -- Control+h - decrease split width
+nmap("<C-l>", ":vert resize +5<CR>") -- Control+l - increase split width
+
+-- Open splits
+nmap("<leader>sv", ":vs<CR>") -- Leader+s+v - split current window vertically
+nmap("<leader>sh", ":split<CR>") -- Leader+s+h - split current window horizontally
+
+-- Tabs
+nmap("H", ":tabprev<CR>") -- Shift+h - open previous tab
+nmap("L", ":tabnext<CR>") -- Shift+l - open next tab
+nmap("<C-t>", ":tabnew<CR>") -- Control+t - open new empty tab
+nmap("<C-w>", ":tabclose<CR>") -- Control+w - close current tab
+nmap("<A-h>", ":-tabmove<CR>") -- Switch current tab with previous one
+nmap("<A-l>", ":+tabmove<CR>") -- Switch current tab with next one
+
+-- Telescope
+nmap("<leader>f", ":Telescope find_files<CR>") -- Leader+f - find files with Telescope
+nmap("<leader>p", ":Telescope<CR>") -- Leader+p - open Telescope as command palette
+
+-- LSP
+nmap("gd", ":lua vim.lsp.buf.definition()<CR>") -- g+d - Go to definition
+nmap("gr", ":lua vim.lsp.buf.references()<CR>") -- g+r - Show references
+nmap("K", ":lua vim.lsp.buf.hover()<CR>") -- Shift+k - Show documentation in hover window
+nmap("<F2>", ":lua vim.lsp.buf.rename()<CR>") -- F2 - Rename thing under the cursor
+nmap("<leader>d", ':lua vim.diagnostic.open_float(nil, {focus = false, scope = "cursor"})<CR>') -- Leader+d - show diagnostics in float window
+
+-- Git
+nmap("<leader>gg", ":G<CR>") -- Leader+g+g - open vim-fugitive window

config/nvim/lua/user/telescope.lua

@@ -0,0 +1,6 @@
+require("telescope").setup({
+	defaults = {
+		sorting_strategy = "ascending",
+		file_ignore_patterns = { ".git/", "node_modules/" },
+	},
+})

config/nvim/lua/user/theme.lua

@@ -0,0 +1,14 @@
+local cmd = vim.cmd
+
+vim.g.tokyonight_style = "night"
+cmd([[colorscheme tokyonight]])
+
+cmd([[
+hi NvimTreeGitNew guifg=green
+hi NvimTreeGitStaged guifg=lightgreen
+hi NvimTreeGitDeleted guifg=red
+hi NvimTreeGitDirty guifg=lightblue
+hi NvimTreeGitMerge guifg=yellow
+hi NvimTreeGitIgnored guifg=gray
+hi NvimTreeOpenedFolderName gui=italic,bold
+]])

config/nvim/lua/user/treesitter.lua

@@ -0,0 +1,9 @@
+require("nvim-treesitter.configs").setup({
+	ensure_installed = "maintained",
+	highlight = {
+		enable = true,
+	},
+	context_commentstring = {
+		enable = true,
+	},
+})

config/nvim/lua/user/utils.lua

@@ -0,0 +1,21 @@
+local M = {}
+
+local function map(mode, shortcut, command)
+	vim.api.nvim_set_keymap(mode, shortcut, command, { noremap = true, silent = true })
+end
+
+M.nmap = function(shortcut, command)
+	map("n", shortcut, command)
+end
+
+M.list_includes_item = function(list, item)
+	for _, value in pairs(list) do
+		if value == item then
+			return true
+		end
+	end
+
+	return false
+end
+
+return M