customized config for vim

my_configs.vim

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

" show ruler and number
set ruler
set nu

" modifiable
set modifiable

" autsave
" au FocusLost * :wa
" set autowrite
autocmd BufNewFile,BufRead *.md let g:auto_save = 1

" Enhanced js syntax
au BufRead,BufNewFile *.es6 set filetype=javascript
" pre-requirment for jsx syntax
let g:javascript_enable_domhtmlcss = 1
let b:javascript_fold = 0
let javascript_ignore_javaScriptdoc = 1
" enable jsx syntax for .js files
let g:jsx_ext_required = 0

" multiple cursors
let g:multi_cursor_next_key='<C-N>'
let g:multi_cursor_prev_key='<C-P>'
let g:multi_cursor_skip_key='<C-X>'
let g:multi_cursor_quit_key='<Esc>'
let g:yankring_replace_n_nkey = '<C-q>'

let g:AutoPairsFlyMode = 0
let g:user_emmet_leader_key='<tab>'
let g:ycm_filetype_specific_completion_to_disable = { 'javascript': 1  }
let g:ycm_filetype_specific_completion_to_disable = { 'html': 1  }

" set clipboard the same with the system clipboard 
set clipboard=unnamed
let javaScript_fold=0

" set the cursor back to previous editing session
if has("autocmd")
  if has("folding")
    au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | call UnfoldCur() | endif
  else
    au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
  endif
endif


function! UnfoldCur()
  if !&foldenable
    return
  endif
  let cl = line(".")
  if cl <= 1
    return
  endif
  let cf  = foldlevel(cl)
  let uf  = foldlevel(cl - 1)
  let min = (cf > uf ? uf : cf)
  if min
    execute "normal!" min . "zo"
    return 1
  endif
endfunction