add nvim config

dot_config/nvim/lua/options.lua

@@ -0,0 +1,59 @@
+local cmd = vim.cmd
+local opt = vim.opt
+local has = vim.fn.has
+
+cmd('filetype plugin indent on')
+cmd('syntax enable')
+
+-- system
+opt.encoding = 'utf-8'
+opt.fileencoding = 'utf-8'
+opt.fileencodings = {'utf-8'}
+opt.backup = false -- no .bak
+opt.swapfile = false -- no .swap
+opt.undofile = true -- use undo file
+opt.updatetime = 300 -- time (in ms) to write to swap file
+-- buffer
+opt.expandtab = true
+opt.tabstop = 2
+opt.softtabstop = 2
+opt.autoindent = true
+opt.shiftwidth = 2
+-- window
+opt.number = true
+-- editing
+vim.g.mapleader = ','
+vim.g.maplocalleader = ','
+opt.whichwrap = 'b,s,<,>,[,]'
+opt.backspace = {'indent', 'eol', 'start'}
+opt.list = true
+opt.ignorecase = false
+opt.hlsearch = true
+opt.incsearch = false
+opt.inccommand = 'nosplit'
+opt.completeopt = {'menuone', 'noselect'}
+opt.hidden = true
+opt.cursorline = true
+opt.ruler = true
+opt.colorcolumn = {120}
+opt.signcolumn = 'yes'
+opt.mouse = 'nv'
+cmd('set mousehide')
+opt.showmatch = true
+opt.cmdheight = 2
+opt.wildmenu = true
+opt.wildmode = {'longest', 'full'}
+opt.splitright = true
+opt.splitbelow = true
+opt.shortmess:append('c')
+
+if not has('gui_running') then
+  opt.t_Co = 256
+end
+
+opt.background = 'dark'
+if has('termguicolors') then
+  cmd('let &t_8f = "\\<Esc>[38;2;%lu;%lu;%lum"')
+  cmd('let &t_8b = "\\<Esc>[48;2;%lu;%lu;%lum"')
+  opt.termguicolors = true
+end