Vim config

.vimrc

" .vimrc - David Clevenger

" plugins (vim-plug)
call plug#begin('~/.vim/plugged')

Plug 'scrooloose/nerdtree'
Plug 'vim-airline/vim-airline'
Plug 'neoclide/coc.nvim'
Plug 'junegunn/fzf'
Plug 'morhetz/gruvbox'

call plug#end()

" general configuration
let mapleader = " " " `space` is the leader
set number
set splitright

" plugin configuration

map <leader>f :FZF<CR>
map <leader>t :NERDTree<CR>
let NERDTreeMapOpenInTab='<ENTER>'
let NERDTreeQuitOnOpen=1

function! StartUp()
    if 0 == argc()
        NERDTree
    end
endfunction

autocmd VimEnter * call StartUp()

inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"

" use <tab> for trigger completion and navigate to the next complete item
function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~ '\s'
endfunction

inoremap <silent><expr> <Tab>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<Tab>" :
      \ coc#refresh()

inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"