minimal vimrc for testing lsp

lsp_test.vim

if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.vim/plugged')
  Plug 'Shougo/deoplete.nvim'
  Plug 'Shougo/deoplete-lsp'
call plug#end()

" If you use deoplete, remove comment out and comment out line 55.
" let g:deoplete#enable_at_startup = 1

let g:language_server_client_log_level = 'debug'

call lsp#add_server_config({
	\ 'server_name': 'gopls',
	\ 'filetype': ['go'],
	\ 'cmd': 'gopls',
	\ 'server_config': {}
	\ })
call lsp#add_server_config({
	\ 'server_name': 'rls',
	\ 'filetype': ['rust'],
	\ 'cmd': 'rls',
	\ 'capabilities': {
	\   'clippy_preference': 'on',
	\   'all_targets': v:false,
	\   'build_on_save': v:true,
	\   'wait_to_build': 0
	\ }})

call lsp#add_server_config({
	\ "server_name": "pyls",
	\ "filetype": "python",
	\ "cmd": "pyls"
	\ })

call lsp#add_server_config({
	\ "server_name": "clangd",
	\ "filetype": ["c", "cpp"],
	\ "cmd": "clangd -background-index",
  \ "capabilities": {
  \   "offsetEncoding": ["utf-8", "utf-16"]
  \ }
	\ })

call lsp#add_server_config({
  \ 'filetype': ['typescript', 'typescript.tsx'],
  \ 'cmd': ['npx', 'javascript-typescript-langserver']
  \ })

call luaeval("vim.lsp.config.set_all_builtin_callbacks()")
autocmd Filetype rust,python,go,c,cpp inoremap <buffer> <c-l> <c-r>=lsp#text_document_completion()<CR>
nnoremap <silent> ;lh  :call lsp#text_document_hover()<CR>
nnoremap <silent> ;ls  :call lsp#text_document_signature_help()<CR>
nnoremap <silent> ;lr  :call lsp#text_document_references()<CR>
nnoremap <silent> ;ldc :call lsp#text_document_declaration()<CR>
nnoremap <silent> ;ldf :call lsp#text_document_definition()<CR>
nnoremap <silent> ;ltd :call lsp#text_document_type_definition()<CR>
nnoremap <silent> ;li  :call lsp#text_document_implementation()<CR>