add coc.nvim for "intellisense" code completion

.gitmodules

@@ -130,3 +130,10 @@
 [submodule "home/.vim/pack/dotfiles/start/vim-terraform"]
 	path = home/.vim/pack/dotfiles/start/vim-terraform
 	url = https://github.com/hashivim/vim-terraform.git
+[submodule "home/.vim/pack/dotfiles/start/coc.nvim"]
+	path = home/.vim/pack/dotfiles/start/coc.nvim
+	url = git@github.com:neoclide/coc.nvim.git
+	branch = release
+[submodule "home/.vim/pack/dotfiles/start/vim-snippets"]
+	path = home/.vim/pack/dotfiles/start/vim-snippets
+	url = git@github.com:honza/vim-snippets.git

Gemfile

@@ -7,6 +7,7 @@ gem 'thyme'
 gem 'git'
 gem 'sqlint'
 gem 'thor'
+gem 'solargraph'
 
 # stuff for pivotal
 gem 'activesupport'

Gemfile.lock

@@ -10,10 +10,12 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
+    ast (2.4.0)
     axiom-types (0.1.1)
       descendants_tracker (~> 0.0.4)
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
+    backport (1.1.2)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.1.4)
@@ -35,14 +37,32 @@ GEM
     i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     ice_nine (0.11.2)
+    jaro_winkler (1.5.4)
+    maruku (0.7.3)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     multipart-post (2.0.0)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
+    parallel (1.19.1)
+    parser (2.7.0.2)
+      ast (~> 2.4.0)
     pg_query (1.1.0)
     public_suffix (3.0.3)
+    rainbow (3.0.0)
     rake (12.3.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
+    reverse_markdown (1.4.0)
+      nokogiri
+    rubocop (0.79.0)
+      jaro_winkler (~> 1.5.1)
+      parallel (~> 1.10)
+      parser (>= 2.7.0.1)
+      rainbow (>= 2.2.2, < 4.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.0)
     sass (3.7.3)
       sass-listen (~> 4.0.0)
@@ -52,12 +72,25 @@ GEM
     scss_lint (0.57.1)
       rake (>= 0.9, < 13)
       sass (~> 3.5, >= 3.5.5)
+    solargraph (0.38.0)
+      backport (~> 1.1)
+      bundler (>= 1.17.2)
+      jaro_winkler (~> 1.5)
+      maruku (~> 0.7, >= 0.7.3)
+      nokogiri (~> 1.9, >= 1.9.1)
+      parser (~> 2.3)
+      reverse_markdown (~> 1.0, >= 1.0.5)
+      rubocop (~> 0.52)
+      thor (~> 0.19, >= 0.19.4)
+      tilt (~> 2.0)
+      yard (~> 0.9)
     sqlint (0.1.9)
       pg_query (~> 1)
     thor (0.20.3)
     thread_safe (0.3.6)
     thyme (0.0.15)
       ruby-progressbar (~> 1.0)
+    tilt (2.0.10)
     tracker_api (0.2.9)
       activemodel
       activesupport
@@ -68,11 +101,13 @@ GEM
       virtus
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
+    unicode-display_width (1.6.1)
     virtus (1.0.5)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)
       equalizer (~> 0.0, >= 0.0.9)
+    yard (0.9.24)
 
 PLATFORMS
   ruby
@@ -84,6 +119,7 @@ DEPENDENCIES
   hitch
   homesick
   scss_lint
+  solargraph
   sqlint
   thor
   thyme

home/.vim/coc-settings.json

@@ -0,0 +1,6 @@
+{
+  "solargraph.checkGemVersion": false,
+  "solargraph.diagnostics": false,
+  "solargraph.promptDownload": false,
+  "suggest.maxCompleteItemCount": 20
+}

home/.vim/coc.vimrc

@@ -0,0 +1,139 @@
+" if hidden is not set, TextEdit might fail.
+set hidden
+
+" Some servers have issues with backup files, see #649
+set nobackup
+set nowritebackup
+
+" Better display for messages
+set cmdheight=2
+
+" You will have bad experience for diagnostic messages when it's default 4000.
+set updatetime=300
+
+" don't give |ins-completion-menu| messages.
+set shortmess+=c
+
+" always show signcolumns
+set signcolumn=yes
+
+" Use tab for trigger completion with characters ahead and navigate.
+" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
+inoremap <silent><expr> <TAB>
+      \ pumvisible() ? "\<C-n>" :
+      \ <SID>check_back_space() ? "\<TAB>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+function! s:check_back_space() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+let g:coc_snippet_next = '<tab>'
+
+" Use <c-space> to trigger completion.
+inoremap <silent><expr> <c-space> coc#refresh()
+
+" Endwise / coc.nvim compatibility
+let g:endwise_no_mappings = 1
+
+" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
+" Coc only does snippet and additional edit on confirm.
+inoremap <expr> <CR> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
+" Or use `complete_info` if your vim support it, like:
+" inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
+
+augroup vimrc-ruby-settings
+  autocmd!
+  autocmd FileType ruby imap <expr> <CR> pumvisible() ? "\<C-y>\<Plug>DiscretionaryEnd" : "\<CR>\<Plug>DiscretionaryEnd"
+augroup END
+
+" Use `[g` and `]g` to navigate diagnostics
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" Remap keys for gotos
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+" Use K to show documentation in preview window
+nnoremap <silent> K :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+  if (index(['vim','help'], &filetype) >= 0)
+    execute 'h '.expand('<cword>')
+  else
+    call CocAction('doHover')
+  endif
+endfunction
+
+" Highlight symbol under cursor on CursorHold
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Remap for rename current word
+nmap <leader>rn <Plug>(coc-rename)
+
+" Remap for format selected region
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+augroup mygroup
+  autocmd!
+  " Setup formatexpr specified filetype(s).
+  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
+  " Update signature help on jump placeholder
+  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+augroup end
+
+" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
+xmap <leader>a  <Plug>(coc-codeaction-selected)
+nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+" Remap for do codeAction of current line
+nmap <leader>ac  <Plug>(coc-codeaction)
+" Fix autofix problem of current line
+nmap <leader>qf  <Plug>(coc-fix-current)
+
+" Create mappings for function text object, requires document symbols feature of languageserver.
+xmap if <Plug>(coc-funcobj-i)
+xmap af <Plug>(coc-funcobj-a)
+omap if <Plug>(coc-funcobj-i)
+omap af <Plug>(coc-funcobj-a)
+
+" Use <TAB> for select selections ranges, needs server support, like: coc-tsserver, coc-python
+nmap <silent> <TAB> <Plug>(coc-range-select)
+xmap <silent> <TAB> <Plug>(coc-range-select)
+
+" Use `:Format` to format current buffer
+command! -nargs=0 Format :call CocAction('format')
+
+" Use `:Fold` to fold current buffer
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)
+
+" use `:OR` for organize import of current buffer
+command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')
+
+" Add status line support, for integration with other plugin, checkout `:h coc-status`
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
+
+" Using CocList
+" Show all diagnostics
+nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
+" Manage extensions
+nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
+" Show commands
+nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
+" Find symbol of current document
+nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
+" Search workspace symbols
+nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
+" Do default action for next item.
+nnoremap <silent> <space>j  :<C-u>CocNext<CR>
+" Do default action for previous item.
+nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
+" Resume latest coc list
+nnoremap <silent> <space>p  :<C-u>CocListResume<CR>
+"" END COC Config