Disgusting and unextensible .vimrc for people who don't care about extensibility

.vimrc

" fix mouse
set mouse=a
set ttymouse=xterm

" folding
set foldlevel=99
set foldenable
set foldmethod=indent
nnoremap <space> za

" show lines around search
set so=7

" fix vimdiff colour fuckery
highlight! link DiffText MatchParen

" nice things
highlight Comment cterm=italic
highlight Italic cterm=italic gui=italic
hi! link markdownItalic Italic
hi! link markdownBold Bold
set tw=80
set nocompatible
syntax on
set cindent
set autochdir
set ruler
set nu
set backspace=indent,eol,start
filetype plugin indent on
set showmatch
set ignorecase
set smartcase
set hlsearch
set incsearch
set wildignorecase
set infercase

" tabs
set tabstop=4
set softtabstop=0 noexpandtab
set shiftwidth=4
set expandtab
set smarttab

" set cursor to unfuck kitty
set guicursor=n-v-c-sm:block,i-ci-ve:ver50,r-cr-o:hor50

" ALE!
map <S-f> :ALEDetail<CR>

" ale-java
let g:airline#extensions#ale#enabled = 1
let g:ale_open_list = 1
let g:ale_java_javac_classpath = '.'
let g:ale_java_javac_options = '--module-path=/usr/lib/jvm/javafx-sdk-12.0.1/lib --add-modules=javafx.base,javafx.controls,javafx.fxml,javafx.graphics,javafx.media,javafx.swing,javafx.web'

" ale-python
let g:ale_python_auto_pipenv = 1

" deoplete
let g:deoplete#enable_at_startup = 1
let g:deoplete#enable_ignore_case = 1
inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"
autocmd InsertLeave,CompleteDone * if pumvisible() == 0 | pclose | endif

" airline
let g:airline_powerline_fonts=1
if !exists('g:airline_symbols')
        let g:airline_symbols = {}
endif
let g:airline_symbols.space = "\ua0"
let g:airline#extensions#tabline#enabled = 0
let g:airline#extensions#tabline#show_buffers = 0

" setup nerdtree
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif
map <C-n> :NERDTreeToggle<CR>

" plug plugins
call plug#begin('~/.vim/plugged')
    Plug 'vim-airline/vim-airline'
    Plug 'vim-airline/vim-airline-themes'
    Plug 'arcticicestudio/nord-vim'
    Plug 'dense-analysis/ale'
    Plug 'scrooloose/nerdtree'
    Plug 'reedes/vim-pencil'
    Plug 'ruanyl/coverage.vim'
    if has('nvim')
        Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
    else
        Plug 'Shougo/deoplete.nvim'
        Plug 'roxma/nvim-yarp'
        Plug 'roxma/vim-hug-neovim-rpc'
    endif
call plug#end()

call deoplete#custom#option('sources', {
    \ '_': ['ale', 'buffer', 'around'],
    \})

let g:airline_theme='nord'

" text editing specifics
au BufRead,BufNewFile *.txt,*.tex,*.md set wrap linebreak nolist textwidth=0 wrapmargin=0 nocindent