This is my Neovim config

init.vim

" This is my init.vim config
" BY Alex Sanchez Arellano

call plug#begin()
" Themes
Plug 'crusoexia/vim-monokai'
Plug 'morhetz/gruvbox'
Plug 'robbyrussell/oh-my-zsh'
Plug 'tomasr/molokai'
Plug 'cocopon/iceberg.vim'
Plug 'alessandroyorba/alduin'
Plug 'flazz/vim-colorschemes'
Plug 'vim-airline/vim-airline-themes'
Plug 'Yavor-Ivanov/airline-monokai-subtle.vim'

" File Explorer with Icons
Plug 'scrooloose/nerdtree'
Plug 'ryanoasis/vim-devicons'

Plug 'vim-airline/vim-airline'

" File Search
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" Coc completion
" Plug 'neoclide/coc.nvim'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
let g:coc_global_extensions = ['coc-emmet', 'coc-css', 'coc-html', 'coc-json', 'coc-prettier', 'coc-tsserver', 'coc-omnisharp']

" C#
Plug 'OmniSharp/omnisharp-vim'


" Python 
Plug 'neoclide/coc-python', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-tabnine', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-yaml', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-json', {'do': 'yarn install --frozen-lockfile'}


" SimpylFold
Plug 'tmhedberg/SimpylFold'

" YouCompleteMe
" Plug 'valloric/youcompleteme', { 'do': './install.py' }

" Vim Markdowm
Plug 'tpope/vim-markdown'

" JavaScript
Plug 'pangloss/vim-javascript'
Plug 'crusoexia/vim-javascript-lib'

" Jsx
Plug 'maxmellon/vim-jsx-pretty'

" Typescript
Plug 'herringtondarkholme/yats.vim'
Plug 'leafgarland/typescript-vim'
Plug 'peitalin/vim-jsx-typescript'

" Dart
Plug 'dart-lang/dart-vim-plugin'
Plug 'natebosch/vim-lsc'
Plug 'natebosch/vim-lsc-dart'

" Plug 'roxma/nvim-completion-manager'
" Plug 'SirVer/ultisnips'
" Plug 'honza/vim-snippets'

call plug#end()

runtime coc-init.vim

" Set line numbers
":set relativenumber
:set number
":set number relativenumber

" << Python >>
let g:python_host_prog = '/home/alex/.pyenv/versions/2.7.18/bin/python'
" let g:python3_host_prog = '/home/alex/.pyenv/versions/3.7.9/bin/python'
" let g:python3_host_prog = '/home/alex/.pyenv/versions/3.6.9/bin/python'
" let g:python3_host_prog = '/home/alex/venvs/python3.6.9/bin/python'
let g:python3_host_prog = '/home/alex/venvs/python3.7/bin/python'
let g:ruby_host_prog = '/home/alex/.rbenv/versions/2.7.2/bin/neovim-ruby-host'


let g:loaded_python_provider = 0
" let g:loaded_python3_provider = 1 

" << C# >>
let g:OmniSharp_server_stdio = 1
inoremap <expr> <Tab> pumvisible() ? '<C-n>' :                                                                                                                    
\ getline('.')[col('.')-2] =~# '[[:alnum:].-_#$]' ? '<C-x><C-o>' : '<Tab>'

" Themes neovim
" (Monokai)
"syntax on
"set termguicolors
"set background=dark
"colorscheme monokai

"set termguicolors
"set t_Co=256  " vim-monokai now only support 256 colours in terminal.

"let g:monokai_term_italic = 1
"let g:monokai_gui_italic = 1

" (Molokai)

"set termguicolors
"set background=dark
"colorscheme gruvbox
"let g:molokai_original = 1
"let g:rehash256 = 1

" (Alduin)
" 1). most Black Background
"let g:alduin_Shout_Dragon_Aspect = 1
"colorscheme alduin
 
" 2). Black Background
"let g:alduin_Shout_Become_Ethereal = 1
"colorscheme alduin 

" 3). Adds Deep Red Color for Special Highlighting Groups
"let g:alduin_Shout_Fire_Breath = 1
"colorscheme alduin

" 4). Removes Block Matchparens setting and adds an underline
"let g:alduin_Shout_Aura_Whisper = 1
"colorscheme alduin

" (Iceberg)
"set termguicolors
"set background=dark

" Vim color-scheme
colorscheme monokai


" (Gruvbox)

" Javascript config
let g:javascript_plugin_jsdoc = 1
let g:javascript_plugin_flow = 1

"function! AccentDemo()
"  let keys = ['a','b','c','d','e','f','g','h']
"  for k in keys
"    call airline#parts#define_text(k, k)
"  endfor
"  call airline#parts#define_accent('a', 'red')
"  call airline#parts#define_accent('b', 'green')
"  call airline#parts#define_accent('c', 'blue')
"  call airline#parts#define_accent('d', 'yellow')
"  call airline#parts#define_accent('e', 'orange')
"  call airline#parts#define_accent('f', 'purple')
"  call airline#parts#define_accent('g', 'bold')
"  call airline#parts#define_accent('h', 'italic')
"  let g:airline_section_a = airline#section#create(keys)
"endfunction
"autocmd VimEnter * call AccentDemo()

let g:airline_section_b = '%{strftime("%c")}'
let g:airline_section_b = 'BN: %{bufnr("%c")}'

let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_nr_show = 1
set t_Co=256
"let g:airline#extensions#tabline#left_sep = ' '
"let g:airline#extensions#tabline#left_alt_sep = '|'
"let g:airline#extensions#tabline#formatter = 'default'
let g:airline_powerline_fonts = 1
let g:airline_theme='dark_minimal'



" Jsx
let g:vim_jsx_pretty_highlight_close_tag = 1
let g:vim_jsx_pretty_colorful_config = 1

" Neovim Coc Completion

" YouCompletme
" let g:ycm_autoclose_preview_window_after_completion=1
" map <leader>g  :YcmCompleter GoToDefinitionElseDeclaration<CR>

" Typescript
let g:yats_host_keyword = 1

" Dart
let dart_html_in_string=v:true
let g:dart_style_guide = 2
let g:dart_format_on_save = 1
" let g:dartfmt_options
let g:lsc_auto_map = v:true

" Vim markdowm
let g:markdown_fenced_languages = ['html', 'python', 'bash=sh']
let g:markdown_syntax_conceal = 0
let g:markdown_minlines = 100

" Nerd tree
let g:NERDTreeShowHidden = 1
let g:NERDTreeMinimalUI = 1
let g:NERDTreeIgnore = []
let g:NERDTreeStatusline = ''
" Automaticaly close nvim if NERDTree is only thing left open
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
" Toggle
nnoremap <silent> <C-n> :NERDTreeToggle<CR>

"Symplfold
let g:SimpylFold_docstring_preview=1
" add more..

" Terminal integrate
au BufEnter * if &buftype == 'terminal' | :startinsert | endif

" open terminal on ctrl+;
" uses zsh shell
function! OpenTerminal()
  split term://zsh
  resize 10
endfunction
nnoremap <c-t> :call OpenTerminal()<CR>
set t_Co=256

" open new split panes to right and below
set splitright
set splitbelow

" turn terminal to normal mode with escape
tnoremap <Esc> <C-\><C-t>

" 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

nnoremap <C-p> :FZF<CR>
let g:fzf_action = {
  \ 'ctrl-t': 'tab split',
  \ 'ctrl-s': 'split',
  \ 'ctrl-v': 'vsplit'
  \}
" requires silversearcher-ag
" used to ignore gitignore files
let $FZF_DEFAULT_COMMAND = 'ag -g ""'