Update coc vim config

Author: jamm1985

.vimrc.dist

@@ -151,19 +151,19 @@ let g:doge_doc_standard_python = 'google'
 " see .vim/coc-settings.json !! or Use :CocConfig
 " to update plugins use :CocUpdate
 
-" Use tab for trigger completion with characters ahead and navigate.
+" Use tab for trigger completion with characters ahead and navigate
 " NOTE: There's always complete item selected by default, you may want to enable
-" no select by `"suggest.noselect": true` in your configuration file.
+" no select by `"suggest.noselect": true` in your configuration file
 " NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
-" other plugin before putting this into your config.
+" other plugin before putting this into your config
 inoremap <silent><expr> <TAB>
       \ coc#pum#visible() ? coc#pum#next(1) :
       \ CheckBackspace() ? "\<Tab>" :
       \ coc#refresh()
 inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
 
 " Make <CR> to accept selected completion item or notify coc.nvim to format
-" <C-g>u breaks current undo, please make your own choice.
+" <C-g>u breaks current undo, please make your own choice
 inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
                               \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
 
@@ -172,25 +172,25 @@ function! CheckBackspace() abort
   return !col || getline('.')[col - 1]  =~# '\s'
 endfunction
 
-" Use <c-space> to trigger completion.
+" Use <c-space> to trigger completion
 if has('nvim')
   inoremap <silent><expr> <c-space> coc#refresh()
 else
   inoremap <silent><expr> <c-@> coc#refresh()
 endif
 
 " Use `[g` and `]g` to navigate diagnostics
-" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
-nmap <silent> [g <Plug>(coc-diagnostic-prev)
-nmap <silent> ]g <Plug>(coc-diagnostic-next)
+" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list
+nmap <silent><nowait> [g <Plug>(coc-diagnostic-prev)
+nmap <silent><nowait> ]g <Plug>(coc-diagnostic-next)
 
-" GoTo code navigation.
-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)
+" GoTo code navigation
+nmap <silent><nowait> gd <Plug>(coc-definition)
+nmap <silent><nowait> gy <Plug>(coc-type-definition)
+nmap <silent><nowait> gi <Plug>(coc-implementation)
+nmap <silent><nowait> gr <Plug>(coc-references)
 
-" Use K to show documentation in preview window.
+" Use K to show documentation in preview window
 nnoremap <silent> K :call ShowDocumentation()<CR>
 
 function! ShowDocumentation()
@@ -201,39 +201,44 @@ function! ShowDocumentation()
   endif
 endfunction
 
-" Highlight the symbol and its references when holding the cursor.
+" Highlight the symbol and its references when holding the cursor
 autocmd CursorHold * silent call CocActionAsync('highlight')
 
-" Symbol renaming.
+" Symbol renaming
 nmap <leader>rn <Plug>(coc-rename)
 
-" Formatting selected code.
+" Formatting selected code
 xmap <leader>f  <Plug>(coc-format-selected)
 nmap <leader>f  <Plug>(coc-format-selected)
 
 augroup mygroup
   autocmd!
-  " Setup formatexpr specified filetype(s).
+  " 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
 
-" Applying codeAction to the selected region.
+" Applying code actions to the selected code block
 " Example: `<leader>aap` for current paragraph
 xmap <leader>a  <Plug>(coc-codeaction-selected)
 nmap <leader>a  <Plug>(coc-codeaction-selected)
 
-" Remap keys for applying codeAction to the current buffer.
-nmap <leader>ac  <Plug>(coc-codeaction)
-" Apply AutoFix to problem on the current line.
+" Remap keys for applying code actions at the cursor position
+nmap <leader>ac  <Plug>(coc-codeaction-cursor)
+" Remap keys for apply code actions affect whole buffer
+nmap <leader>as  <Plug>(coc-codeaction-source)
+" Apply the most preferred quickfix action to fix diagnostic on the current line
 nmap <leader>qf  <Plug>(coc-fix-current)
 
-" Run the Code Lens action on the current line.
+" Remap keys for applying refactor code actions
+nmap <silent> <leader>re <Plug>(coc-codeaction-refactor)
+xmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+nmap <silent> <leader>r  <Plug>(coc-codeaction-refactor-selected)
+
+" Run the Code Lens action on the current line
 nmap <leader>cl  <Plug>(coc-codelens-action)
 
 " Map function and class text objects
-" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
+" NOTE: Requires 'textDocument.documentSymbol' support from the language server
 xmap if <Plug>(coc-funcobj-i)
 omap if <Plug>(coc-funcobj-i)
 xmap af <Plug>(coc-funcobj-a)
@@ -243,7 +248,7 @@ omap ic <Plug>(coc-classobj-i)
 xmap ac <Plug>(coc-classobj-a)
 omap ac <Plug>(coc-classobj-a)
 
-" Remap <C-f> and <C-b> for scroll float windows/popups.
+" Remap <C-f> and <C-b> to scroll float windows/popups
 if has('nvim-0.4.0') || has('patch-8.2.0750')
   nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
   nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
@@ -253,39 +258,39 @@ if has('nvim-0.4.0') || has('patch-8.2.0750')
   vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
 endif
 
-" Use CTRL-S for selections ranges.
-" Requires 'textDocument/selectionRange' support of language server.
+" Use CTRL-S for selections ranges
+" Requires 'textDocument/selectionRange' support of language server
 nmap <silent> <C-s> <Plug>(coc-range-select)
 xmap <silent> <C-s> <Plug>(coc-range-select)
 
-" Add `:Format` command to format current buffer.
+" Add `:Format` command to format current buffer
 command! -nargs=0 Format :call CocActionAsync('format')
 
-" Add `:Fold` command to fold current buffer.
+" Add `:Fold` command to fold current buffer
 command! -nargs=? Fold :call     CocAction('fold', <f-args>)
 
-" Add `:OR` command for organize imports of the current buffer.
+" Add `:OR` command for organize imports of the current buffer
 command! -nargs=0 OR   :call     CocActionAsync('runCommand', 'editor.action.organizeImport')
 
-" Add (Neo)Vim's native statusline support.
+" Add (Neo)Vim's native statusline support
 " NOTE: Please see `:h coc-status` for integrations with external plugins that
-" provide custom statusline: lightline.vim, vim-airline.
-let g:airline#extensions#coc#enabled = 1
+" provide custom statusline: lightline.vim, vim-airline
+set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
 
 " Mappings for CoCList
-" Show all diagnostics.
+" Show all diagnostics
 nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
-" Manage extensions.
+" Manage extensions
 nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
-" Show commands.
+" Show commands
 nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
-" Find symbol of current document.
+" Find symbol of current document
 nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
-" Search workspace symbols.
+" Search workspace symbols
 nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
-" Do default action for next item.
+" Do default action for next item
 nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
-" Do default action for previous item.
+" Do default action for previous item
 nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
-" Resume latest coc list.
+" Resume latest coc list
 nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>