.vimrc

" configure leader
nnoremap <SPACE> <NOP>
let mapleader = ","
set timeoutlen=375

" source core config files
function! s:SourceConfigFilesIn(directory)
  let directory_splat = '~/.vim/' . a:directory . '/*'
  for config_file in split(glob(directory_splat), '\n')
    if filereadable(config_file)
      execute 'source' config_file
    endif
  endfor
endfunction

" load plugins
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.vim/bundle')
call s:SourceConfigFilesIn('plugrc')
call plug#end()

" source additional config files
call s:SourceConfigFilesIn('configrc')