dotfiles/nvim/init.lua
Gabriel Arazas 085c17c26d Convert Neovim VimL config to Lua
Well, I also explored a little bit with the ecosystem of Lua-written
Neovim plugins. I think it's ready to flourish along with the existing
plugins.

Lua is also nice to write compared to VimL especially with the compound
data and the like.
2021-07-15 16:28:28 +08:00

275 lines
8.6 KiB
Lua

-- Aliases
local api = vim.api
local g, b = vim.g, vim.b
local cmd = vim.cmd
local highlight = vim.highlight
local opt, opt_local = vim.opt, vim.opt_local
local go = vim.go
local map = vim.api.nvim_set_keymap
local fn = vim.fn
g['mapleader'] = " "
g['syntax'] = true
-- Bootstrapping for the package manager
local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
if fn.empty(fn.glob(install_path)) > 0 then
fn.system({'git', 'clone', 'https://github.com/wbthomason/packer.nvim', install_path})
api.nvim_command('packadd packer.nvim')
end
cmd [[packadd packer.nvim]]
-- Plugins
require("packer").startup(function()
-- Let the package manager manage itself.
use {"wbthomason/packer.nvim", opt = true}
-- THEMES!
use {"chriskempson/base16-vim"}
-- EditorConfig plugin
use {"editorconfig/editorconfig-vim"}
-- Colorize common color strings
use {'lilydjwg/colorizer'}
-- A snippets engine.
-- One of the must-haves for me.
use { 'sirver/ultisnips' }
-- Text editor integration for the browser
use {'subnut/nvim-ghost.nvim', run = ':call nvim_ghost#installer#install()'}
-- Fuzzy finder of lists
use {
'nvim-telescope/telescope.nvim',
requires = {{'nvim-lua/popup.nvim'}, {'nvim-lua/plenary.nvim'}}
}
-- Contains various snippets for UltiSnips.
use {'honza/vim-snippets'}
-- A completion engine.
-- I chose this engine since it is linked from UltiSnips.
use { "hrsh7th/nvim-compe" }
-- A linting engine, a DAP client, and an LSP client entered into a bar.
use {
'dense-analysis/ale',
config = function()
g['ale_disable_lsp'] = 1
g['ale_linters'] = {
javascript = {"eslint", "prettier"}
}
end
}
use {'neovim/nvim-lspconfig'}
use {'mfussenegger/nvim-dap'}
-- One of the most popular plugins.
-- Allows to create more substantial status bars.
use {
'vim-airline/vim-airline',
config = function()
g['airline_powerline_fonts'] = 1
g['airline#extensions#ale#enabled'] = 1
end
}
-- Fuzzy finder for finding files freely and fastly.
use {'junegunn/fzf'}
use {'junegunn/fzf.vim'}
-- A full LaTeX toolchain plugin for Vim.
-- Also a must-have for me since writing LaTeX can be a PITA.
-- Most of the snippets and workflow is inspired from Gilles Castel's posts (at https://castel.dev/).
use {
'lervag/vimtex',
cmd = 'ALEEnable',
config = function()
-- Vimtex configuration
g['tex_flavor'] = 'latex'
g['vimtex_view_method'] = 'zathura'
g['vimtex_quickfix_mode'] = 0
g['tex_conceal'] = 'abdmg'
g['vimtex_compiler_latexmk'] = {
options = {
'-bibtex',
'-shell-escape',
'-verbose',
'-file-line-error',
}
}
-- I use LuaLaTeX for my documents so let me have it as the default, please?
g['vimtex_compiler_latexmk_engines'] = {
_ = '-lualatex',
pdflatex = '-pdf',
dvipdfex = '-pdfdvi',
lualatex = '-lualatex',
xelatex = '-xelatex',
}
end
}
-- Enable visuals for addition/deletion of lines in the gutter (side) similar to Visual Studio Code.
use {'airblade/vim-gitgutter'}
-- Language plugins.
use {'LnL7/vim-nix'}
use {'vmchale/dhall-vim'}
end)
g['UltiSnipsExpandTrigger'] = "<c-j>"
g['UltiSnipsEditSplit'] = "context"
g['UltiSnipsSnippetDirectories'] = {vim.env.HOME .. "/.config/nvim/own-snippets", ".snippets"}
-- Compe configuration
require'compe'.setup {
enabled = true;
autocomplete = true;
debug = false;
min_length = 1;
preselect = 'enable';
throttle_time = 80;
source_timeout = 200;
resolve_timeout = 800;
incomplete_delay = 400;
max_abbr_width = 100;
max_kind_width = 100;
max_menu_width = 100;
documentation = {
border = { '', '' ,'', ' ', '', '', '', ' ' }, -- the border option is the same as `|help nvim_open_win|`
winhighlight = "NormalFloat:CompeDocumentation,FloatBorder:CompeDocumentationBorder",
max_width = 120,
min_width = 60,
max_height = math.floor(vim.o.lines * 0.3),
min_height = 1,
};
source = {
path = true;
buffer = true;
calc = true;
nvim_lsp = true;
nvim_lua = true;
ultisnips = true;
luasnip = true;
};
}
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
-- Use (s-)tab to:
--- move to prev/next item in completion menuone
--- jump to prev/next snippet's placeholder
_G.tab_complete = function()
if vim.fn.pumvisible() == 1 then
return t "<C-n>"
elseif check_back_space() then
return t "<Tab>"
else
return vim.fn['compe#complete']()
end
end
_G.s_tab_complete = function()
if vim.fn.pumvisible() == 1 then
return t "<C-p>"
else
return t "<S-Tab>"
end
end
-- Editor configuration
opt.completeopt = "menuone,noselect"
opt.encoding = "utf-8"
opt.number = true
opt.relativenumber = true
opt.cursorline = true
opt.expandtab = true
opt.shiftwidth = 4
opt.tabstop = 4
opt.conceallevel = 1
opt.list = true
opt.listchars = { tab = " ", trail = "·" }
opt_local.spell = true
opt.smartindent = true
-- I have yet to solve how to do the following in Lua, lmao
cmd "highlight clear SpellBad"
cmd "highlight clear SpellLocal"
cmd "highlight clear SpellCap"
cmd "highlight clear SpellRare"
cmd "highlight CursorLineNr ctermfg=cyan"
cmd "highlight Visual term=reverse cterm=reverse"
-- Keybindings
map('i', 'jk', '<Esc>', {})
map('n', '<leader>hr', '<cmd>source $MYVIMRC<cr>', {})
map('i', "<Tab>", "v:lua.tab_complete()", { expr = true })
map('s', "<Tab>", "v:lua.tab_complete()", { expr = true })
map('i', "<S-Tab>", "v:lua.s_tab_complete()", { expr = true })
map('s', "<S-Tab>", "v:lua.s_tab_complete()", { expr = true })
map('i', '<cr>', 'compe#confirm("<cr>")', { expr = true })
map('i', '<c-space>', 'compe#complete()', { expr = true })
-- LSP config
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.declaration()<CR>', opts)
buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
end
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
-- Enable the following language servers
local servers = { 'clangd', 'rust_analyzer', 'pyright', 'tsserver' }
for _, lsp in ipairs(servers) do
nvim_lsp[lsp].setup {
on_attach = on_attach,
capabilities = capabilities,
}
end