tmux + Vim Configuration

.tmux.conf

set -g mouse on

set -g status-style "bg=default"
set -g window-status-current-style "bg=default,reverse"
set -g window-status-separator '|'
set -g window-status-format " #W#{?window_flags,#F, } (M-#I) "
set -g window-status-current-format " #W#{?window_flags,#F, } (M-#I) "

set -g base-index 1
set-window-option -g pane-base-index 1

set -g status-position top

# Don't slowdown mode change in vim
set -sg escape-time 0

set -g xterm-keys on

bind -n M-t new-window
bind -n M-1 selectw -t 1
bind -n M-2 selectw -t 2
bind -n M-3 selectw -t 3
bind -n M-4 selectw -t 4
bind -n M-5 selectw -t 5
bind -n M-6 selectw -t 6
bind -n M-7 selectw -t 7
bind -n M-8 selectw -t 8
bind -n M-9 selectw -t 9
bind -n M-0 selectw -t 0

bind r source-file ~/.tmux.conf \; display ".tmux.conf reloaded!"
set -g default-terminal tmux-256color

alacritty.yml

schemes:
  light: &light
    primary:
      background: '0xf8f8f8'
      foreground: '0x2a2b33'

    normal:
      black:   '0x000000'
      red:     '0xde3d35'
      green:   '0x3e953a'
      yellow:  '0xd2b67b'
      blue:    '0x2f5af3'
      magenta: '0xa00095'
      cyan:    '0x3e953a'
      white:   '0xbbbbbb'

    bright:
      black:   '0x000000'
      red:     '0xde3d35'
      green:   '0x3e953a'
      yellow:  '0xd2b67b'
      blue:    '0x2f5af3'
      magenta: '0xa00095'
      cyan:    '0x3e953a'
      white:   '0xffffff'

  dark: &dark
    primary:
      background: '0x1e2127'
      foreground: '0xabb2bf'
    normal:
      black:   '0x1e2127'
      red:     '0xe06c75'
      green:   '0x98c379'
      yellow:  '0xd19a66'
      blue:    '0x61afef'
      magenta: '0xc678dd'
      cyan:    '0x56b6c2'
      white:   '0xabb2bf'
    bright:
      black:   '0x5c6370'
      red:     '0xe06c75'
      green:   '0x98c379'
      yellow:  '0xd19a66'
      blue:    '0x61afef'
      magenta: '0xc678dd'
      cyan:    '0x56b6c2'
      white:   '0xffffff'

scrolling:
  history: 1000

font:
  size: 12
  normal:
    family: "Inconsolata"

selection:
  save_to_clipboard: false

cursor:
  style: Underline

draw_bold_text_with_bright_colors: false

shell:
  program: tmux

colors: *dark

init.vim

call plug#begin('~/.local/share/nvim/site/autoload')

Plug 'scrooloose/nerdtree'
Plug 'ryanoasis/vim-devicons'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'
Plug 'vim-airline/vim-airline'
Plug 'buoto/gotests-vim', { 'for': 'go' }
Plug 'rakr/vim-one'
Plug 'neovim/nvim-lspconfig'
Plug 'hrsh7th/nvim-cmp'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-vsnip'
Plug 'hrsh7th/vim-vsnip'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-path'
Plug 'hrsh7th/cmp-cmdline'
Plug 'williamboman/mason.nvim'

call plug#end()

lua require('lsp')

set number
set encoding=UTF-8
set completeopt=menu,menuone,noselect

" one config (instruction have to be in this order)
syntax on
set termguicolors
colorscheme one
let g:one_allow_italics = 1
set background=dark

" Use system clipboard
set clipboard^=unnamed,unnamedplus

" Highlight serach result
set hlsearch

" Fold based on syntax
set foldmethod=syntax
set foldlevel=20

" Intendation
set expandtab
set tabstop=2
set softtabstop=2
set shiftwidth=2
set smartindent
filetype indent on

set ignorecase
set smartcase
set incsearch
set hidden
set nobackup
set nowritebackup
set noswapfile
set mouse=a

" Airline
let g:airline#extensions#tabline#enabled = 1

" prevents slowing down switch to normal mode
if ! has('gui_running')
  set ttimeoutlen=10
  augroup FastEscape
    autocmd!
    au InsertEnter * set timeoutlen=0
    au InsertLeave * set timeoutlen=1000
  augroup END
endif

" scrooloose/nerdtree
let g:NERDTreeShowHidden=1

" junegun/fzf.vim
nnoremap <leader><leader>a :Rg<CR>
nnoremap <leader><leader>b :Buffers<CR>
nnoremap <leader><leader>g :GFiles?<CR>

"" Custom keybindings
nnoremap <A-Down> :m .+1<CR>==
nnoremap <A-Up> :m .-2<CR>==
vnoremap <A-Down> :m '>+1<CR>gv=gv
vnoremap <A-Up> :m '<-2<CR>gv=gv

nnoremap = zA
nnoremap <C-t> :NERDTreeToggle<CR>

lua_lsp.lua

require("mason").setup()

local capabilities = require('cmp_nvim_lsp').default_capabilities()
local lspconfig = require('lspconfig')

local servers = { 'gopls', 'tsserver', 'lua_ls' }
for _, lsp in ipairs(servers) do
  lspconfig[lsp].setup {
    -- on_attach = my_custom_on_attach,
    capabilities = capabilities,
  }
end

vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
  callback = function(ev)
    -- Enable completion triggered by <c-x><c-o>
    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

    -- Buffer local mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    local opts = { buffer = ev.buf }

    vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
    vim.keymap.set('n', '<Leader>B', vim.lsp.buf.implementation, opts)
    vim.keymap.set('n', '<Leader>rn', vim.lsp.buf.rename, opts)
    vim.keymap.set('n', '<Leader>a', vim.lsp.buf.code_action, opts)
    vim.keymap.set('n', '<Leader>b', vim.lsp.buf.references, opts)
    vim.keymap.set('n', '<Leader>f', function()
      vim.lsp.buf.format { async = true }
    end, opts)
  end,
})

local cmp = require 'cmp'
cmp.setup {
  snippet = {
    -- REQUIRED - you must specify a snippet engine
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
    end,
  },
  mapping = cmp.mapping.preset.insert({
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<CR>'] = cmp.mapping.confirm { select = true },
  }),
  sources = {
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
    { name = 'buffer' },
  },
}