My personal vim configuration

.vimrc

" General
set number	    " Show line numbers
set linebreak	    " Break lines at word (requires Wrap lines)
set showbreak=+++   " Wrap-broken line prefix
"set textwidth=80   " Line wrap (number of cols)
set smartcase	    " Enable smart-case search
set ignorecase	    " Always case-insensitive
set incsearch	    " Searches for strings incrementally
set showmatch	    " Highlight matching brace
set hlsearch	    " Highlight all search results

set autoindent	    " Auto-indent new lines
set expandtab	    " Use spaces instead of tabs
set shiftwidth=2    " Number of auto-indent spaces
set smartindent	    " Enable smart-indent
set smarttab	    " Enable smart-tabs
set softtabstop=2   " Number of spaces per Tab

" Advanced
set ruler	                " Show row and column ruler information

set undolevels=1000	        " Number of undo levels
set backspace=indent,eol,start	" Backspace behaviour

set swapfile
set dir=~/tmp-vim

" Gruvbox Theme
set termguicolors       "Enable true color"
set background=dark     "Sets dark mode
" Specify a directory for plugins
" - For Neovim: ~/.local/share/nvim/plugged
" - Avoid using standard Vim directory names like 'plugin'
call plug#begin('~/.vim/plugged')

" Make sure you use single quotes

" Theme
Plug 'morhetz/gruvbox'
" Directory tree
Plug 'scrooloose/nerdtree'
" Git for the directory tree
Plug 'Xuyuanp/nerdtree-git-plugin'
" Ctrl-P Finder
Plug 'kien/ctrlp.vim'
" Identation Line
Plug 'Yggdroot/indentLine'
" Emmet
Plug 'mattn/emmet-vim'
" Easy Motion
Plug 'easymotion/vim-easymotion'
" Multiple Selection
Plug 'terryma/vim-multiple-cursors'
" Surround
Plug 'tpope/vim-surround'
" Lightline
Plug 'itchyny/lightline.vim'
" GitBranch for LightLine
Plug 'itchyny/vim-gitbranch'
" Markdown Preview
Plug 'JamshedVesuna/vim-markdown-preview'
" Rails
Plug 'tpope/vim-rails'
" Vue
Plug 'posva/vim-vue'
" React
Plug 'mxw/vim-jsx'
" Git
Plug 'tpope/vim-fugitive'
" Elixir
Plug 'elixir-editors/vim-elixir'
" Coffe
Plug 'kchmck/vim-coffee-script'
" Initialize plugin system
call plug#end()

" Auto cmds
" Open NERDTree on default
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
" Close NERDTree if only window left open
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" Mappings
let mapleader = ","
map <leader>t :NERDTreeToggle<Enter>
:nnoremap <Tab> :bnext<CR>
:nnoremap <S-Tab> :bprevious<CR>

" Git Indicators
let g:NERDTreeIndicatorMapCustom = {
    \ "Modified"  : "✹",
    \ "Staged"    : "✚",
    \ "Untracked" : "✭",
    \ "Renamed"   : "➜",
    \ "Unmerged"  : "═",
    \ "Deleted"   : "✖",
    \ "Dirty"     : "✗",
    \ "Clean"     : "✔︎",
    \ 'Ignored'   : '☒',
    \ "Unknown"   : "?"
    \ }

" Ctrl-p map
let g:ctrlp_map = '<c-p>'
let g:ctrlp_show_hidden = 1
let g:crlp_custom_ignore = 'node_modules\|DS_Store\|git\|uploads\|vendor'

" Indent Line character
let g:indentLine_char = '▏'

" Multiple Selection map
let g:multi_cursor_quit_key = '<C-z>'
let g:multi_cursor_prev_key = '<C-b>'

" Personal lightline
set noshowmode  " Disables mode information
let g:lightline = {
      \ 'colorscheme': 'landscape',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'gitbranch', 'readonly', 'filename', 'modified', 'linus' ] ]
      \ },
      \ 'component_function': {
      \   'gitbranch': 'gitbranch#name',
      \ }
    \ }

" Theme Globals
let g:gruvbox_italic=1
let g:gruvbox_contrast_dark='hard'

" Theme
colorscheme gruvbox

" Markdown Preview
let vim_markdown_preview_github=1
let vim_markdown_preview_hotkey='<C-m>'

" map F3 to toggle search highlighting
nnoremap <F3> :set hlsearch!<CR>

" source ~/.vimrc
nnoremap <F7> :so ~/.vimrc<CR>

" start: automatically trim trailing whitespace
" autocmd BufWritePre * :%s/\s\+$//e

" Terminal in vim
" command Eterm :term ++curwin
" Double ESC to escape from terminal
" tnoremap <ESC><ESC> <C-\><C-n>