SImple But Usable Vim Config

.vimrc

" Spaces and indent
set expandtab           " tabs are spaces
set shiftwidth=4        " size of indents in spaces
set softtabstop=4       " simulate tabs with this many spaces

" FileType specific tab overrides
filetype plugin indent on " Enable filetype detection and <filetype>.vim loading
autocmd FileType html setlocal shiftwidth=2 tabstop=2
autocmd FileType javascript setlocal shiftwidth=2 tabstop=2
autocmd FileType vue setlocal shiftwidth=2 tabstop=2
autocmd FileType htmldjango setlocal shiftwidth=2 tabstop=2

" Line numbers and mouse
set number      " enable line numbers
set mouse=a     " enable mouse in auto mode

" Searching
set incsearch 	" don't wait for the enter key to start searching
set hlsearch    " highlight search results

" Syntax highlighting and themes
syntax enable       " turn on syntax highlighting
colorscheme slate   " use the slate theme

" Map gl to the previously used tab
let g:lasttab = 1
nmap gl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()

" Strip trailing whitespace
fun! TrimWhitespace()
    let l:save = winsaveview()
    %s/\s\+$//e
    call winrestview(l:save)
endfun

autocmd BufWritePre * :call TrimWhitespace() " Call TrimWhitespace on save

" Misc
set wildmenu    " show tab completions for commands inline

" Files to ignore for various auto completion commands
set wildignore+=*/tmp/*,*.so,*.swp,*.zip,*.pyc,__pycache__,node_modules

" Remap the dd shortcut to not override the yank register
nnoremap d "_d
vnoremap d "_d