vim-nix

      #need to setup ion-vim

        typescript-vim
        vim-nix

        yats-vim
        vim-gitgutter

        vim-nix

      set number relativenumber 
      set showcmd
      set updatetime=300
      set splitbelow
      set tabstop=4
      set shiftwidth=4
      set expandtab
      " javascript and typescript use tabs instead of spaces.
      autocmd Filetype tsx setlocal noexpandtab
      autocmd Filetype jsx setlocal noexpandtab
      autocmd Filetype js setlocal noexpandtab
      autocmd Filetype ts setlocal noexpandtab

      let g:vimtex_view_general_viewer = 'zathura'
      let g:coc_global_extensions = [ 'coc-omnisharp', 'coc-rust-analyzer', 'coc-go', 'coc-actions', 'coc-emmet', 'coc-css', 'coc-tsserver', 'coc-prettier', 'coc-html', 'coc-eslint']
      function! OpenTerminal()
        split term://ion
        resize 10
      endfunction
      nnoremap <c-n> :call OpenTerminal()<CR>
      " git stuff.
      let g:gitgutter_sign_added = '✚'
      let g:gitgutter_sign_modified = '✹'
      let g:gitgutter_sign_removed = '-'
      let g:gitgutter_sign_removed_first_line = '-'
      let g:gitgutter_sign_modified_removed = '-'
      " use alt+hjkl to move between split/vsplit panels
      tnoremap <A-h> <C-\><C-n><C-w>h
      tnoremap <A-j> <C-\><C-n><C-w>j
      tnoremap <A-k> <C-\><C-n><C-w>k
      tnoremap <A-l> <C-\><C-n><C-w>l
      nnoremap <A-h> <C-w>h
      nnoremap <A-j> <C-w>j
      nnoremap <A-k> <C-w>k
      nnoremap <A-l> <C-w>l
      inoremap <silent><expr><c-space> coc#refresh()
      nmap <silent> gd <Plug>(coc-definition)
      nmap <silent> gy <Plug>(coc-type-definition)
      nmap <silent> gi <Plug>(coc-implementation)
      nmap <silent> gr <Plug>(coc-references)
      autocmd BufWritePre * :call CocAction('format')
       "BASE16 themeing stuff
       let base16colorspace=256  " Access colors present in 256 colorspace
       colorscheme $BASE16_THEME

let active_theme = "base16-oceanicnext"

#status -i is currently broken ( to check if in interactive mode )
#fixed upstream a month back, but not updated to a new release.
#need to make a nix package with new release too (and upstream to nixpkgs?)
#if status -i 
    let home: str = "${env::HOME}"
    export BASE16_SHELL = "$home/.config/base16-shell"
    export BASE16_THEME = "$active_theme"
    # setup base16 oceanicnext theme.
    cat "${BASE16_SHELL}/scripts/$active_theme.sh" | sh
#end