My minimal vimrc based on various internet sources.

my-vimrc

set runtimepath+=~/.vim

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Sets how many lines of history VIM has to remember
set history=500

" Set to auto read when a file is changed from the outside
set autoread

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","

" Fast saving
nmap <leader>w :w!<cr>


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Colors and Fonts
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Enable syntax highlighting
syntax enable

colorscheme atom
set background=dark

"Color Themes below:
"--------------------
" space-vim-dark
" atom

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac






"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => VIM user interface
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""

" Set font according to system
if has("mac") || has("macunix")
    set gfn=IBM\ Plex\ Mono:h14,Hack:h14,Source\ Code\ Pro:h15,Menlo:h15
elseif has("win16") || has("win32")
    set gfn=Fira\ Code:h12,IBM\ Plex\ Mono:h14,Source\ Code\ Pro:h12,Bitstream\ Vera\ Sans\ Mono:h11
elseif has("gui_gtk2")
    set gfn=IBM\ Plex\ Mono:h14,:Hack\ 14,Source\ Code\ Pro\ 12,Bitstream\ Vera\ Sans\ Mono\ 11
elseif has("linux")
    set gfn=IBM\ Plex\ Mono:h14,:Hack\ 14,Source\ Code\ Pro\ 12,Bitstream\ Vera\ Sans\ Mono\ 11
elseif has("unix")
    set gfn=Monospace\ 11
endif

" Disable scrollbars (real hackers don't use scrollbars for navigation!)
set guioptions-=r
set guioptions-=R
set guioptions-=l
set guioptions-=L

" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

" Avoid garbled characters in Chinese language windows OS
let $LANG='en' 
set langmenu=en
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

" Turn on the Wild menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

"Always show current position
set ruler

" Height of the command bar
set cmdheight=2

" A buffer becomes hidden when it is abandoned
set hid

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases 
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch 

" Don't redraw while executing macros (good performance config)
set lazyredraw 

" For regular expressions turn magic on
set magic

" Show matching brackets when text indicator is over them
set showmatch 
" How many tenths of a second to blink when matching brackets
set mat=2

" Add a bit extra margin to the left
set foldcolumn=1

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500








"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Files, backups and undo
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set nowb
set noswapfile





""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Text, tab and indent related
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4

""show line numbers
set number

" Linebreak on 500 characters
set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines





""""""""""""""""""""""""""""""
" => Visual mode related
""""""""""""""""""""""""""""""
" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>





"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Moving around, tabs, windows and buffers
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Map <Space> to / (search) and Ctrl-<Space> to ? (backwards search)
map <space> /
map <c-space> ?

" Disable highlight when <leader><cr> is pressed
map <silent> <leader><cr> :noh<cr>

" Smart way to move between windows
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

" Close the current buffer
map <leader>bd :Bclose<cr>:tabclose<cr>gT

" Close all the buffers
map <leader>ba :bufdo bd<cr>

map <leader>l :bnext<cr>
map <leader>h :bprevious<cr>

" Useful mappings for managing tabs
map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove 
map <leader>t<leader> :tabnext 

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap <Leader>tl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()

" Opens a new tab with the current buffer's path
" Super useful when editing files in the same directory
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/

" Switch CWD to the directory of the open buffer
map <leader>cd :cd %:p:h<cr>:pwd<cr>

" Specify the behavior when switching between buffers 
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif





""""""""""""""""""""""""""""""
" => Status line
""""""""""""""""""""""""""""""
" Always show the status line
set laststatus=2

" Format the status line
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ Line:\ %l\ \ Column:\ %c







"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Editing mappings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Remap VIM 0 to first non-blank character
map 0 ^

" Move a line of text using ALT+[jk] or Command+[jk] on mac
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z

if has("mac") || has("macunix")
  nmap <D-j> <M-j>
  nmap <D-k> <M-k>
  vmap <D-j> <M-j>
  vmap <D-k> <M-k>
endif

" Delete trailing white space on save, useful for some filetypes ;)
fun! CleanExtraSpaces()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    silent! %s/\s\+$//e
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfun

if has("autocmd")
    autocmd BufWritePre *.txt,*.js,*.py,*.wiki,*.sh,*.coffee :call CleanExtraSpaces()
endif






"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Spell checking
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Shortcuts using <leader>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg
map <leader>s? z=





"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Parenthesis/bracket
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
vnoremap $1 <esc>`>a)<esc>`<i(<esc>
vnoremap $2 <esc>`>a]<esc>`<i[<esc>
vnoremap $3 <esc>`>a}<esc>`<i{<esc>
vnoremap $$ <esc>`>a"<esc>`<i"<esc>
vnoremap $q <esc>`>a'<esc>`<i'<esc>
vnoremap $e <esc>`>a"<esc>`<i"<esc>

" Map auto complete of (, ", ', [
inoremap $1 ()<esc>i
inoremap $2 []<esc>i
inoremap $3 {}<esc>i
inoremap $4 {<esc>o}<esc>O
inoremap $q ''<esc>i
inoremap $e ""<esc>i







"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Misc
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Toggle paste mode on and off
map <leader>pp :setlocal paste!<cr>

"Format JSON. Usage => :FormatJSON
com! FormatJSON %!python -m json.tool



"==========================================HELPERS AND PLUGINS SECTION==============================================================




"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    endif
    return ''
endfunction

function! VisualSelection(direction, extra_filter) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", "\\/.*'$^~[]")
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'gv'
        call CmdLine("Ack '" . l:pattern . "' " )
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction







"===========================================PLUGINS SECTION==================================================================


"=========================Vim Plug===== https://github.com/junegunn/vim-plug ==========================================

":PlugInstall to install plugins.
call plug#begin('~/.vim/plugged')

    "Make sure you use single quotes
    " Shorthand notation; fetches https://github.com/junegunn/vim-easy-align
    " Any valid git URL is allowed

    Plug 'junegunn/vim-easy-align'
    Plug 'leafgarland/typescript-vim'
    Plug 'scrooloose/nerdtree'          """https://github.com/scrooloose/nerdtree
    Plug 'Xuyuanp/nerdtree-git-plugin'  """https://github.com/Xuyuanp/nerdtree-git-plugin
    Plug 'ctrlpvim/ctrlp.vim'   """https://github.com/ctrlpvim/ctrlp.vim
    Plug 'pangloss/vim-javascript'  """https://github.com/pangloss/vim-javascript
    Plug 'Quramy/tsuquyomi'     """https://github.com/Quramy/tsuquyomi
    Plug 'Quramy/vim-js-pretty-template'    """https://github.com/Quramy/vim-js-pretty-template
    Plug 'jason0x43/vim-js-indent'  """https://github.com/jason0x43/vim-js-indent
    Plug 'rafi/awesome-vim-colorschemes'    """https://github.com/rafi/awesome-vim-colorschemes
    Plug 'easymotion/vim-easymotion'

call plug#end()


"=====================================TypeScript Plugin=======================================================
autocmd QuickFixCmdPost [^l]* nested cwindow
autocmd QuickFixCmdPost    l* nested lwindow



"=====================================NerdTree & nerdtree-git-plugin Plugin====================================

"Open a NERDTree automatically when vim starts up if no files were specified. usgage: just type vim
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

"map NERDTree to Ctrl-T
map <C-b> :NERDTreeToggle<CR>

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



"=====================================vim-js-pretty-template Plugin========================================
autocmd FileType javascript JsPreTmpl html
autocmd FileType typescript JsPreTmpl markdown
autocmd FileType typescript syn clear foldBraces
autocmd FileType dart JsPreTmpl xml





"=====================================Easy Motion Plugin===================================================
let g:EasyMotion_do_mapping = 0 " Disable default mappings

" Jump to anywhere you want with minimal keystrokes, with just one key binding.
" `s{char}{label}`
nmap s <Plug>(easymotion-overwin-f)
" or
" `s{char}{char}{label}`
" Need one more keystroke, but on average, it may be more comfortable.
nmap s <Plug>(easymotion-overwin-f2)

" Turn on case insensitive feature
let g:EasyMotion_smartcase = 1

" JK motions: Line motions
map <Leader>j <Plug>(easymotion-j)
map <Leader>k <Plug>(easymotion-k)