add nvim config

dot_config/nvim/init.lua

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+-- options
+require('options')
+
+-- packages
+require('pack')
+
+-- plugin stuff
+require('plugins.setups')
+require('plugins.telescope')
+require('plugins.lspconfig')
+require('plugins.treesitter')
+require('plugins.compe')

dot_config/nvim/lua/common.lua

@@ -0,0 +1,13 @@
+local vim = vim
+local M = {}
+
+function M.set_keymap(mode, from, to)
+  local opts = {noremap = true, silent = false}
+  vim.api.nvim_set_keymap(mode, from, to, opts)
+end
+
+function M.nvim_set_keymap(mode, from, to, opts)
+  vim.api.nvim_set_keymap(mode, from, to, opts)
+end
+
+return M

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

dot_config/nvim/lua/pack.lua

@@ -0,0 +1,24 @@
+local vim = vim
+
+vim.cmd 'packadd paq-nvim'
+local paq = require'paq-nvim'.paq
+paq{'savq/paq-nvim', opt = true}
+
+-- libraries
+paq 'nvim-lua/popup.nvim'
+paq 'nvim-lua/plenary.nvim'
+
+-- files
+paq 'tssm/fairyfloss.vim' -- theme
+paq 'mhinz/vim-startify' -- startup page
+paq 'nvim-telescope/telescope.nvim' -- fuzzy finder
+paq 'rmagatti/auto-session' -- auto session
+paq 'rmagatti/session-lens' -- session lens for telescope
+paq 'crispgm/telescope-heading.nvim' -- markdown heading for telescope
+
+-- language
+paq {'nvim-treesitter/nvim-treesitter', run = ':TSUpdate'} -- treesitter
+paq 'nvim-treesitter/playground' -- ts playground
+paq 'nvim-treesitter/nvim-treesitter-textobjects' -- ts textobjects
+paq 'neovim/nvim-lspconfig' -- lsp client config
+paq 'hrsh7th/nvim-compe' -- completion

dot_config/nvim/lua/plugins/compe.lua

@@ -0,0 +1,36 @@
+require'compe'.setup {
+  enabled = true;
+  autocomplete = true;
+  debug = false;
+  min_length = 1;
+  preselect = 'enable';
+  throttle_time = 80;
+  source_timeout = 200;
+  incomplete_delay = 400;
+  max_abbr_width = 100;
+  max_kind_width = 100;
+  max_menu_width = 100;
+  documentation = true;
+
+  source = {
+    path = true;
+    buffer = true;
+    calc = true;
+    vsnip = true;
+    nvim_lsp = true;
+    nvim_lua = true;
+    spell = true;
+    tags = true;
+    snippets_nvim = true;
+    treesitter = true;
+  }
+}
+
+local vim = vim
+local opts = {
+  noremap = true,
+  silent = true,
+  expr = true,
+}
+vim.api.nvim_set_keymap('i', '<cr>', "compe#confirm('<CR>')", opts)
+vim.api.nvim_set_keymap('i', '<c-c>', "compe#close('<c-c>')", opts)

dot_config/nvim/lua/plugins/lspconfig.lua

@@ -0,0 +1 @@
+require('lspconfig').tsserver.setup{}

dot_config/nvim/lua/plugins/setups.lua

@@ -0,0 +1,3 @@
+local vim = vim
+
+vim.api.nvim_command('colorscheme fairyfloss')

dot_config/nvim/lua/plugins/telescope.lua

@@ -0,0 +1,23 @@
+require('telescope').load_extension('session-lens')
+require('telescope').load_extension('heading')
+
+local set_keymap = require('../common').set_keymap
+set_keymap('n', '<leader>ff', '<cmd>Telescope find_files<cr>')
+set_keymap('n', '<leader>fd', '<cmd>Telescope git_files<cr>')
+set_keymap('n', '<leader>fg', '<cmd>Telescope live_grep<cr>')
+set_keymap('n', '<leader>fb', '<cmd>Telescope buffers')
+set_keymap('n', '<leader>fh', '<cmd>Telescope help_tags<cr>')
+set_keymap('n', '<leader>fl', '<cmd>Telescope lsp_document_symbols<cr>')
+set_keymap('n', '<leader>fk', '<cmd>Telescope keymaps<cr>')
+set_keymap('n', '<leader>fm', '<cmd>Telescope heading<cr>')
+
+local actions = require('telescope.actions')
+require('telescope').setup{
+  defaults = {
+    mappings = {
+      i = {
+        ['<esc>'] = actions.close
+      },
+    },
+  }
+}

dot_config/nvim/lua/plugins/treesitter.lua

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+require'nvim-treesitter.configs'.setup {
+  highlight = {
+    enable = true
+  },
+  ensure_installed = 'maintained',
+  indent = {
+    enable = true
+  },
+  incremental_selection = {
+    enable = true,
+    keymaps = {
+      init_selection = 'gnn',
+      node_incremental = 'grn',
+      scope_incremental = 'grc',
+      node_decremental = 'grm'
+    },
+  },
+  playground = {
+    enable = true,
+    disable = {},
+    updatetime = 25,
+    persist_queries = false
+  },
+  textobjects = {
+    select = {
+      enable = true,
+      keymaps = {
+        ['af'] = '@function.outer',
+        ['if'] = '@function.inner',
+        ['ac'] = '@class.outer',
+        ['ic'] = '@class.inner',
+        ['aP'] = '@parameter.outer',
+        ['iP'] = '@parameter.inner'
+      }
+    }
+  }
+}