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lua/callbacks.lua

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+goyo_unhide = true
+function goyo_toggle()
+	if goyo_unhide == true then
+		require('lualine').hide({unhide=false})
+		goyo_unhide = false
+	else
+		require('lualine').hide({unhide=true})
+		goyo_unhide = true
+	end
+end

lua/completion.lua

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+local cmp_status_ok, cmp = pcall(require, "cmp")
+if not cmp_status_ok then
+	return
+end
+
+local snip_status_ok, luasnip = pcall(require, "luasnip")
+if not snip_status_ok then
+	return
+end
+
+require("luasnip/loaders/from_vscode").lazy_load()
+
+local check_backspace = function()
+	local col = vim.fn.col "." - 1
+	return col == 0 or vim.fn.getline("."):sub(col, col):match "%s"
+end
+
+--   פּ ﯟ   some other good icons
+local kind_icons = {
+	Text = "",
+	Method = "m",
+	Function = "",
+	Constructor = "",
+	Field = "",
+	Variable = "",
+	Class = "",
+	Interface = "",
+	Module = "",
+	Property = "",
+	Unit = "",
+	Value = "",
+	Enum = "",
+	Keyword = "",
+	Snippet = "",
+	Color = "",
+	File = "",
+	Reference = "",
+	Folder = "",
+	EnumMember = "",
+	Constant = "",
+	Struct = "",
+	Event = "",
+	Operator = "",
+	TypeParameter = "",
+}
+-- find more here: https://www.nerdfonts.com/cheat-sheet
+
+cmp.setup {
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body) -- For `luasnip` users.
+		end,
+	},
+	mapping = {
+		["<C-k>"] = cmp.mapping.select_prev_item(),
+		["<C-j>"] = cmp.mapping.select_next_item(),
+		["<C-b>"] = cmp.mapping(cmp.mapping.scroll_docs(-1), { "i", "c" }),
+		["<C-f>"] = cmp.mapping(cmp.mapping.scroll_docs(1), { "i", "c" }),
+		["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
+		["<C-y>"] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+		["<C-e>"] = cmp.mapping {
+			i = cmp.mapping.abort(),
+			c = cmp.mapping.close(),
+		},
+		-- Accept currently selected item. If none selected, `select` first item.
+		-- Set `select` to `false` to only confirm explicitly selected items.
+		["<CR>"] = cmp.mapping.confirm { select = true },
+		["<Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_next_item()
+			elseif luasnip.expandable() then
+				luasnip.expand()
+			elseif luasnip.expand_or_jumpable() then
+				luasnip.expand_or_jump()
+			elseif check_backspace() then
+				fallback()
+			else
+				fallback()
+			end
+		end, {
+			"i",
+			"s",
+		}),
+		["<S-Tab>"] = cmp.mapping(function(fallback)
+			if cmp.visible() then
+				cmp.select_prev_item()
+			elseif luasnip.jumpable(-1) then
+				luasnip.jump(-1)
+			else
+				fallback()
+			end
+		end, {
+			"i",
+			"s",
+		}),
+	},
+	formatting = {
+		fields = { "kind", "abbr", "menu" },
+		format = function(entry, vim_item)
+			-- Kind icons
+			vim_item.kind = string.format("%s", kind_icons[vim_item.kind])
+			-- vim_item.kind = string.format('%s %s', kind_icons[vim_item.kind], vim_item.kind) -- This concatonates the icons with the name of the item kind
+			vim_item.menu = ({
+				luasnip = "[Snippet]",
+				buffer = "[Buffer]",
+				path = "[Path]",
+			})[entry.source.name]
+			return vim_item
+		end,
+	},
+	sources = {
+		{ name = "luasnip" },
+		{ name = "buffer" },
+		{ name = "path" },
+	},
+	confirm_opts = {
+		behavior = cmp.ConfirmBehavior.Replace,
+		select = false,
+	},
+	-- documentation = {
+	-- 	border = { "╭", "─", "╮", "│", "╯", "─", "╰", "│" },
+	-- },
+	-- experimental = {
+	-- 	ghost_text = false,
+	-- 	native_menu = false,
+	-- },
+}

lua/config.lua

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+vim.o.mouse = 'a'
+vim.o.encoding = 'UTF-8'
+vim.o.fileencoding = 'UTF-8'
+vim.o.number = true
+vim.o.relativenumber = true
+vim.o.showcmd = true
+vim.o.syntax = true
+
+vim.o.ignorecase = true
+vim.o.smartcase = true
+
+vim.o.cursorline = true
+-- bold line number at cursor
+vim.cmd [[ highlight CursorLineNr cterm=bold ]]
+
+vim.o.linebreak = true
+
+-- special characters
+vim.o.list = true
+vim.o.listchars = 'tab:→ ,eol:↲,nbsp:␣,trail:•,extends:⟩,precedes:⟨'
+
+vim.o.tabstop = 4
+vim.o.shiftwidth = 4
+vim.o.expandtab = false
+vim.o.smartindent = true
+
+-- spellcheck (enable with `set spell`)
+vim.o.spelllang = 'cs,en_gb'
+vim.cmd [[ hi SpellBad cterm=bold ctermbg=red ctermfg=white ]]
+
+-- cursor padding from top and bottom
+vim.o.scrolloff = 5
+
+-- better navigation in split windows
+vim.keymap.set('n', '<C-h>', '<C-w>h')
+vim.keymap.set('n', '<C-j>', '<C-w>j')
+vim.keymap.set('n', '<C-k>', '<C-w>k')
+vim.keymap.set('n', '<C-h>', '<C-w>l')
+
+-- colorscheme
+vim.cmd [[ color base16-default-dark ]]

lua/plugins.lua

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+return require('packer').startup(function()
+	-- automatic rebuild on plugins.lua change
+	vim.cmd([[
+		augroup packer_user_config
+			autocmd!
+			autocmd BufWritePost plugins.lua source <afile> | PackerCompile
+		augroup end
+	]])
+
+	use 'wbthomason/packer.nvim'
+	use 'RRethy/nvim-base16'
+	use 'tpope/vim-commentary'
+	use {
+		'nvim-lualine/lualine.nvim',
+		requires = { 'kyazdani42/nvim-web-devicons', opt = true },
+		config = function()
+			require('lualine').setup()
+			vim.o.showmode = false
+		end
+	}
+	use {
+		'lewis6991/gitsigns.nvim',
+		config = function()
+			require('gitsigns').setup()
+		end
+	}
+	use {
+		'junegunn/goyo.vim',
+		config = function()
+			vim.keymap.set('n', '<leader>f', ':lua goyo_toggle()<cr>:Goyo<cr>')
+		end
+	}
+
+	-- completion
+	use 'hrsh7th/nvim-cmp'
+	use 'hrsh7th/cmp-buffer'
+	use 'hrsh7th/cmp-path'
+	use 'hrsh7th/cmp-cmdline'
+	use 'saadparwaiz1/cmp_luasnip'
+
+	-- snippets
+	use 'L3MON4D3/LuaSnip'
+	use 'rafamadriz/friendly-snippets'
+
+	-- LSP
+	use 'neovim/nvim-lspconfig'
+	use {
+		'williamboman/mason.nvim',
+		config = function()
+			require('mason').setup()
+		end
+	}
+	use 'williamboman/mason-lspconfig.nvim'
+
+end)