nvim: proper move to lua

init.lua

@@ -1,386 +0,0 @@
--- Author:      Konstantin Bukley <madundead@gmail.com>
--- License:     WTFPL
--- Description: Personal neovim configuration
-
--- Helpers
-local cmd = vim.cmd  -- to execute Vim commands e.g. cmd('pwd')
-local fn = vim.fn    -- to call Vim functions e.g. fn.bufnr()
-local g = vim.g      -- a table to access global variables
-local opt = vim.opt  -- to set options
-
-local function map(mode, lhs, rhs, opts)
-  local options = { noremap = true }
-  if opts then options = vim.tbl_extend('force', options, opts) end
-  vim.api.nvim_set_keymap(mode, lhs, rhs, options)
-end
-
-local function nmap(lhs, rhs, opts)
-  map('n', lhs, rhs, opts)
-end
-
-local install_path = vim.fn.stdpath 'data' .. '/site/pack/packer/start/packer.nvim'
-if vim.fn.empty(vim.fn.glob(install_path)) > 0 then
-  vim.fn.execute('!git clone https://github.com/wbthomason/packer.nvim ' .. install_path)
-end
-
-require('packer').startup(function()
-  use 'wbthomason/packer.nvim'
-  use 'arcticicestudio/nord-vim'
-  use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
-  use 'tpope/vim-commentary'
-  use 'tpope/vim-surround'
-  use { 'junegunn/fzf', run = 'cd ~/.fzf && ./install --all' }
-  use 'junegunn/fzf.vim'
-  use 'junegunn/vim-easy-align'
-  use 'christoomey/vim-tmux-navigator'
-  use 'airblade/vim-gitgutter'
-  use 'tpope/vim-repeat'
-  use 'scrooloose/nerdtree' -- other file tree plugins are too fancy
-  use 'ellisonleao/glow.nvim'
-
-  -- Snippets
-  use 'L3MON4D3/LuaSnip'
-  use 'hrsh7th/nvim-cmp'
-  use 'saadparwaiz1/cmp_luasnip'
-  use 'rafamadriz/friendly-snippets'
-
-  use 'neovim/nvim-lspconfig'
-
-  -- tpope
-  use 'tpope/vim-fugitive'
-  use 'tpope/vim-rails'
-
-  -- tests
-  use 'vim-test/vim-test'
-  use 'benmills/vimux'
-
-  use 'dyng/ctrlsf.vim'
-end)
-
-cmd("au BufNewFile,BufRead Capfile,Gemfile,Vagrantfile,Brewfile setl ft=ruby")
-cmd('au TextYankPost * lua vim.highlight.on_yank { timeout = 250 }')
-cmd('colorscheme nord')
-
-opt.smartindent   = true            -- Autoindenting when starting a new line
-opt.tabstop       = 2               -- Tab counts as 2 columns
-opt.shiftwidth    = 2               -- Numbers of spaces to (auto)indent
-opt.expandtab     = true            -- Tabs to spaces
-opt.clipboard     = 'unnamed'       -- Share clipboard with the OS
-opt.number        = true            -- Display line numbers
-opt.fillchars = {
-  vert = '▕',   -- alternatives │
-  eob = ' ',    -- suppress ~ at EndOfBuffer
-  msgsep = '‾',
-  diff = '⣿',
-  fold = ' ',
-  foldopen = '▾',
-  foldsep = '│',
-  foldclose = '▸',
-}
-opt.synmaxcol     = 500             -- Do not try to highlight lines longer than 500 characters
-opt.lazyredraw    = true            -- Do not redraw while running macros
-opt.showmatch     = true            -- Show matching braces
-opt.matchtime     = 2               -- Show matching braces for 2 tenths of second
-opt.showmode      = true            -- Shows when you are in insert mode
-opt.title         = true            -- Show title in console status bar
-opt.laststatus    = 3
-opt.wrap          = false           -- Dont wrap lines
-opt.scrolloff     = 5               -- Keep 5 rows on the screen when scrolling
-opt.sidescrolloff = 15              -- Horizontal scrolloff
-opt.visualbell    = false           -- No visual bell
-opt.backup        = false           -- No backups
-opt.writebackup   = false           -- No backups
-opt.swapfile      = false           -- No backups
-opt.mouse         = 'a'             -- Support mouse (for proper mouse highlight)
-opt.list          = true            -- List mode
-opt.listchars     = { trail = '·', tab = '->' }
-opt.timeoutlen    = 1000            -- Delay for mappings
-opt.ttimeoutlen   = 0               -- Delay between modes
-opt.shellcmdflag  = '-ic'           -- Enables aliases from .bashrc in :! commands
-opt.grepprg       = 'rg -i --vimgrep'           -- TODO: check for existence of rg otherwise fallback to grep
-opt.diffopt:append({ vertical = true })         -- Vertical splits in diff mode
-opt.shortmess:append({ I = true })              -- Remove welcome message (:intro)
-opt.shortmess:append({ a = true })              -- Short messages for everything
-
--- Ignore when autocompleting TODO: review
-opt.wildignore:append('*.o,*.obj,*~')
-opt.wildignore:append('*vim/backups*')
-opt.wildignore:append('*sass-cache*')
-opt.wildignore:append('*DS_Store*')
-opt.wildignore:append('vendor/rails/**')
-opt.wildignore:append('vendor/cache/**')
-opt.wildignore:append('*.gem')
-opt.wildignore:append('log/**,tmp/**')
-opt.wildignore:append('*.png,*.jpg,*.gif')
-
--- " Conceal mostly for markdown TODO :h conceallevel
--- set conceallevel=2
--- " Highlight VCS conflict markers TODO: translate to LUA
--- match ErrorMsg '^\(<\|=\|>\)\{7\}\([^=].\+\)\?$'
-
-g.mapleader = ' '
-
--- Netrw
-g.netrw_banner    = 0
-g.netrw_liststyle = 4
-
--- git-gutter
-g.gitgutter_sign_added = '│'
-g.gitgutter_sign_modified = '│'
-g.gitgutter_sign_removed = '│'
-g.gitgutter_sign_modified_removed = '│'
-g.gitgutter_sign_removed_first_line = '│'
-
--- fzf
-g.fzf_preview_window = ''
-g.fzf_layout = { window = { width = 0.6, height = 0.6, border = 'sharp' } }
-
--- NERDTree
-g.NERDTreeWinPos           = "right"
-g.NERDTreeMinimalUI        = 1
-g.NERDTreeDirArrows        = 1
-g.NERDTreeAutoDeleteBuffer = 1
-g.NERDTreeHijackNetrw      = 1
-
--- vim-test
-g['test#strategy'] = 'vimux'
-
--- CtrlSF
-g.ctrlsf_ackprg         = 'rg'
-g.ctrlsf_regex_pattern  = 1
-g.ctrlsf_case_sensitive = 'smart'
-g.ctrlsf_default_root   = 'project'
-g.ctrlsf_context        = '-B 1 -A 1'
-g.ctrlsf_position       = 'bottom'
-g.ctrlsf_winsize        = '40%'
-g.ctrlsf_mapping        = {
-  next = 'n',
-  prev = 'N',
-}
-
--- fzf
-g.fzf_preview_window = ''
-g.fzf_layout = { window = { width = 0.6, height = 0.6, border = 'sharp' } }
-
---- Mappings
--- Essentials
-nmap(';', ':')
-nmap(',,', '<C-^>')
-nmap('<leader>w', ':w<CR>') -- TODO: stop this madness, :h autowrite
-nmap('Q', ':q!<CR>')
-nmap('<leader><space>', ':nohlsearch<CR>', { silent = true })
-
--- Convenience
-nmap('yy', 'Y')
-nmap('Y', 'y$')
-nmap('N', 'Nzz')
-nmap('n', 'nzz')
-nmap('j', 'gj')
-nmap('k', 'gk')
-nmap('H', '^')
-nmap('L', '$')
-nmap('J', 'mzJ`z')
-nmap('K', '<Nop>')
-nmap('gQ', '<Nop>')
-
--- Tabs
-nmap('<leader>t', ':tabnew<CR>')
-nmap('<Tab>', ':tabnext<CR>')
-nmap('<S-Tab>', ':tabprevious<CR>')
-nmap('<leader>1', '1gt')
-nmap('<leader>2', '2gt')
-nmap('<leader>3', '3gt')
-nmap('<leader>4', '4gt')
-nmap('<leader>5', '5gt')
-
--- Visual mode
-map('v', '.', ':normal .<CR>')
-map('v', 'J', ':m \'>+1<CR>gv=gv')
-map('v', 'K', ':m \'<-2<CR>gv=gv')
-map('v', '<', '<gv')
-map('v', '>', '>gv')
-
--- fzf
-nmap('<leader>ff', ':Files<CR>')
-nmap('<leader>ft', ':Files ~/Tmp<CR>')
-nmap('<leader>fo', ":call fzf#run(fzf#wrap(fzf#vim#with_preview({ 'source': 'fd . --type f --extension=md --follow --exclude .git ~/Syncthing/Obsidian/Personal' })))<CR>", { silent = true })
-
--- vim-easy-align
-map('x', 'ga', ':EasyAlign<CR>') -- TODO: this should allow for gaip, but does not
-map('v', 'ga', ':EasyAlign<CR>')
-
--- nvim-tree.lua
-nmap('<leader>n', ':NERDTreeToggle<CR>')
-nmap('<leader>N', ':NERDTreeFind<CR>')
-
--- glow.vim
-nmap('<leader>p', ':Glow<CR>')
-
--- fugitive.vim
-nmap('<leader>ga',':Gwrite<CR>')
-nmap('<leader>gs',':Git<CR>')
-nmap('<leader>gb',':Git blame<CR>')
-
--- rails-vim
-nmap('<leader>a', ':A<CR>')
-
--- test
-nmap('<leader>r', ':TestFile<CR>')
-nmap('<leader>R', ':TestSuite<CR>')
-
--- CtrlSF
-nmap('<C-f>', '<Plug>CtrlSFPrompt')
-
--- Plugin config
--- Tree-sitter
-require('nvim-treesitter.configs').setup {
-  -- one of "all", "maintained" (parsers with maintainers), or a list of languages
-  ensure_installed = { 'bash', 'c', 'cpp', 'c_sharp', 'clojure', 'cmake', 'comment', 'commonlisp',
-    'css', 'dockerfile', 'elixir', 'erlang', 'fish', 'go', 'html', 'http', 'java',
-    'javascript', 'json', 'kotlin', 'latex', 'lua', 'make', 'markdown', 'perl', 'php',
-    'python', 'ruby', 'rust', 'scss', 'swift', 'toml', 'tsx', 'vim', 'vue', 'yaml' },
-  -- ignore_install = { 'norg' },
-  highlight = { enable = true },
-  indent = { enable = true },
-  autopairs = { enable = true },
-}
-
--------------------------------
-
--- TODO: figure out how to simplify the snippets config
--- TODO: figure out how to create custom snippets
--- TODO: is it possible to use luasnip without nvim-cpm?
-
-local function prequire(...)
-local status, lib = pcall(require, ...)
-if (status) then return lib end
-    return nil
-end
-
-local luasnip = prequire('luasnip')
-local cmp = prequire("cmp")
-
-local t = function(str)
-    return vim.api.nvim_replace_termcodes(str, true, true, true)
-end
-
-local check_back_space = function()
-    local col = vim.fn.col('.') - 1
-    if col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
-        return true
-    else
-        return false
-    end
-end
-
-_G.tab_complete = function()
-    if cmp and cmp.visible() then
-        cmp.select_next_item()
-    elseif luasnip and luasnip.expand_or_jumpable() then
-        return t("<Plug>luasnip-expand-or-jump")
-    elseif check_back_space() then
-        return t "<Tab>"
-    else
-        cmp.complete()
-    end
-    return ""
-end
-_G.s_tab_complete = function()
-    if cmp and cmp.visible() then
-        cmp.select_prev_item()
-    elseif luasnip and luasnip.jumpable(-1) then
-        return t("<Plug>luasnip-jump-prev")
-    else
-        return t "<S-Tab>"
-    end
-    return ""
-end
-
-vim.api.nvim_set_keymap("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("i", "<C-E>", "<Plug>luasnip-next-choice", {})
-vim.api.nvim_set_keymap("s", "<C-E>", "<Plug>luasnip-next-choice", {})
-
-require("luasnip.loaders.from_vscode").lazy_load()
-
-
-
------------ LSP
-require'lspconfig'.solargraph.setup{}
-local nvim_lsp = require('lspconfig')
-
--- Use an on_attach function to only map the following keys
--- after the language server attaches to the current buffer
-local on_attach = function(client, bufnr)
-  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
-  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
-
-  -- Enable completion triggered by <c-x><c-o>
-  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
-
-  -- Mappings.
-  local opts = { noremap=true, silent=true }
-
-  -- See `:help vim.lsp.*` for documentation on any of the below functions
-  buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
-  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
-  buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
-  buf_set_keymap('n', '<space>=', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
-end
-
--- Use a loop to conveniently call 'setup' on multiple servers and
--- map buffer local keybindings when the language server attaches
-local servers = { 'solargraph' }
-for _, lsp in ipairs(servers) do
-  nvim_lsp[lsp].setup {
-    on_attach = on_attach,
-    flags = {
-      debounce_text_changes = 150,
-    }
-  }
-end
-
-local cmp = require 'cmp'
-cmp.setup {
-  snippet = {
-    expand = function(args)
-      require('luasnip').lsp_expand(args.body)
-    end,
-  },
-  mapping = {
-    ['<C-p>'] = cmp.mapping.select_prev_item(),
-    ['<C-n>'] = cmp.mapping.select_next_item(),
-    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
-    ['<C-Space>'] = cmp.mapping.complete(),
-    ['<C-e>'] = cmp.mapping.close(),
-    ['<CR>'] = cmp.mapping.confirm {
-      behavior = cmp.ConfirmBehavior.Replace,
-      select = true,
-    },
-    ['<Tab>'] = function(fallback)
-      if cmp.visible() then
-        cmp.select_next_item()
-      elseif luasnip.expand_or_jumpable() then
-        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-expand-or-jump', true, true, true), '')
-      else
-        fallback()
-      end
-    end,
-    ['<S-Tab>'] = function(fallback)
-      if cmp.visible() then
-        cmp.select_prev_item()
-      elseif luasnip.jumpable(-1) then
-        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<Plug>luasnip-jump-prev', true, true, true), '')
-      else
-        fallback()
-      end
-    end,
-  },
-  sources = {
-    { name = 'nvim_lsp' },
-    { name = 'luasnip' },
-  },
-}