_vimrc

" don't bother with vi compatibility
set nocompatible

" enable syntax highlighting
syntax enable

" point to plugins
call plug#begin('~/vimfiles/plugins')

    " declare plugins
    Plug 'ap/vim-css-color'
    Plug 'altercation/vim-colors-solarized'
    "Plug 'dense-analysis/ale'
    Plug 'frazrepo/vim-rainbow'
    Plug 'github/copilot.vim', { 'branch': 'release' }
    Plug 'godlygeek/tabular'
    Plug 'kien/ctrlp.vim'
    Plug 'mechatroner/rainbow_csv'
    Plug 'mxw/vim-jsx', { 'for': ['javascript', 'javascript.jsx'] }
    Plug 'nathanaelkane/vim-indent-guides'
    Plug 'pangloss/vim-javascript', { 'for': ['javascript', 'javascript.jsx'] }
    Plug 'othree/yajs.vim'
    Plug 'scrooloose/nerdtree'
    Plug 'scrooloose/nerdcommenter'
    Plug 'tpope/vim-commentary'
    Plug 'tpope/vim-fugitive'
    Plug 'tpope/vim-sensible'
    Plug 'tpope/vim-surround'
    Plug 'vim-airline/vim-airline'
    Plug 'yggdroot/indentline'

" include plugins
call plug#end()

" copilot
let g:copilot_filetypes = { 'markdown': v:true, 'yaml': v:true }

" NERDTree
autocmd vimenter * NERDTree

    " open NERDTree automatically when vim starts up if no files were specified
    autocmd StdinReadPre * let s:std_in=1
    autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

    " open NERDTree automatically when vim starts up on opening a directory
    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 | endif

    " close NERDTree when closing file
    autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

    " show hidden files
    let NERDTreeShowHidden=1



" editor theme
set background=dark
colorscheme solarized
set guifont=Lucida_Console:h13



" key mappings

    " set <leader> key
    let mapleader=','

        " save
        nmap <leader>w :w<CR>
        " quit
        nmap <leader>q :q<CR>
        " turn off highlighting
        nmap <silent> <leader>n :noh<CR>
        " view open buffers
        nmap <silent> <leader>b :buffers<CR>
        " toggle NERDTree
        nmap <silent> <leader>d :NERDTreeToggle<CR>
        " open _vimrc
        nmap <silent> <leader>ev :e $MYVIMRC<CR>
        " source _vimrc
        nmap <silent> <leader>sv :so $MYVIMRC<CR>
        " change directory to current file
        nmap <silent> <leader>cd :cd %:p:h<CR>
        " bind vertical scrolling across panes
        nmap <silent> <leader>sb :set scrollbind<CR>
        " bind vertical scrolling across panes
        nmap <silent> <leader>nosb :set noscrollbind<CR>

    " exit insert mode
    inoremap jj <esc>

" functions
com! FormatJSON %!python -m json.tool

" indent
" set vim-r-plugin to 
let r_indent_align_args = 0

" Set vim-r-plugin to mimics ess :
let r_indent_ess_comments = 0
let r_indent_ess_compatible = 0

" miscellaneous options
"syntax on
"filetype plugin indent on
set autoindent " always set autoindenting on
set autoread " reload file on change
set backspace=indent,eol,start " allow backspacing over everything in insert mode
set clipboard=unnamed " copy/paste to system clipboard
set copyindent " copy the previous indentation on autoindenting
set expandtab " replace tabs with spaces
set fileformats=dos " avoid display of unix-style line endings ( ^M )
set hidden " hide buffers rather than close them
set history=1000 " remember more commands and search history
set hlsearch " highlight search terms
set ignorecase " ignore case when searching
set incsearch " show search matches as you type
set laststatus=2 " always display status line
set nobackup " no backup file
set noerrorbells " don't beep
set noswapfile " no swap file
set nowrap " don't wrap lines
set number " always show line numbers
set pastetoggle=<F2>
set shiftround " use multiple of shiftwidth when indenting with '<' and '>'
set shiftwidth=4 " number of spaces to use for autoindenting
set showmatch " set show matching parenthesis
set smartcase " ignore case if search pattern is all lowercase, case-sensitive otherwise
set smarttab " insert tabs on the start of a line according to shiftwidth, not tabstop
set splitbelow " open new buffers beneath current buffer
set splitright " open new buffers to the right of current buffer
set tabstop=4 " a tab is four spaces
set title " change the terminal's title
set undolevels=1000 " use many muchos levels of undo
set visualbell " don't beep

" Load all plugins now.
" Plugins need to be added to runtimepath before helptags can be generated.
packloadall
" Load all of the helptags now, after plugins have been loaded.
" All messages and errors will be ignored.
silent! helptags ALL