Deoplete NeoVim Configuration

init.vim

" map TAB, C-j to down in popup and C-k to up in popup
inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <C-j> pumvisible() ? "\<C-n>" : "\<C-j>"
inoremap <expr> <C-k> pumvisible() ? "\<C-p>" : "\<C-k>"

" manually trigger deoplete with TAB
call deoplete#custom#option('auto_complete', v:false)

inoremap <silent><expr> <TAB>
		\ pumvisible() ? "\<C-n>" :
		\ <SID>check_back_space() ? "\<TAB>" :
		\ deoplete#mappings#manual_complete()
		function! s:check_back_space() abort "{{{
		let col = col('.') - 1
		return !col || getline('.')[col - 1]  =~ '\s'
		endfunction"}}}