Add experimental coc.nvim module

.config/nvim/init.vim

@@ -40,6 +40,8 @@ runtime! pluglist/**/*.vim
 call plug#end()
 endif
 
+colo one
+
 " }}}
 " VIM SETTINGS {{{
 " ================================================================================

.config/nvim/modules_experimental/coc-completion.vim

@@ -0,0 +1,106 @@
+" some things do not work perfectly yet
+" I have to take a look at the bindings
+" MOSTLY, it works
+" but startup takes ages (>1s)
+
+" one more thing needs to be done for clever coc linting/fixing:
+" create a file called coc-settings.json in nvim config dir with the
+" following content:
+"
+"{
+"  // Require .prettierrc
+"  "prettier.requireConfig": true,
+"  // Tslint on save
+"  "tslint.enable": true,
+"  "tslint.autoFixOnSave": true,
+"  // Run prettier (and others)
+"  "coc.preferences.formatOnSaveFiletypes": [
+"    "css",
+"    "markdown",
+"    "Markdown",
+"    "javascript",
+"    "javascriptreact",
+"    "typescript",
+"    "typescriptreact"
+"  ]
+"}
+
+Plug 'neoclide/coc.nvim', {'do': { -> coc#util#install()}, 'on': [], 'for': []}
+Plug 'neoclide/coc-snippets', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-tsserver', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-prettier', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-eslint', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-tslint', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-html', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-css', {'do': 'yarn install --frozen-lockfile'}
+" Plug 'neoclide/coc-highlight', {'do': 'yarn install --frozen-lockfile'} " color highlighting
+Plug 'neoclide/coc-json', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-yaml', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-rls', {'do': 'yarn install --frozen-lockfile'}
+Plug 'neoclide/coc-git', {'do': 'yarn install --frozen-lockfile'}
+Plug 'fannheyward/coc-rust-analyzer', {'do': 'yarn install --frozen-lockfile'}
+Plug 'fannheyward/coc-markdownlint', {'do': 'yarn install --frozen-lockfile'}
+Plug 'fannheyward/coc-texlab', {'do': 'yarn install --frozen-lockfile'}
+Plug 'iamcco/coc-vimlsp', {'do': 'yarn install --frozen-lockfile'}
+
+" lazy loading since they require a lot of startup time
+augroup load_ide_features
+  autocmd!
+  autocmd InsertEnter * call plug#load('coc.nvim')
+                     \| autocmd! load_ide_features
+augroup end
+
+" https://github.com/neoclide/coc.nvim#example-vim-configuration
+inoremap <silent><expr> <c-space> coc#refresh()
+
+" gd - go to definition of word under cursor
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+
+" gi - go to implementation
+nmap <silent> gi <Plug>(coc-implementation)
+
+" gr - find references
+nmap <silent> gr <Plug>(coc-references)
+
+" gh - get hint on whatever's under the cursor
+nnoremap <silent> K :call <SID>show_documentation()<CR>
+nnoremap <silent> gh :call <SID>show_documentation()<CR>
+
+function! s:show_documentation()
+  if &filetype == 'vim'
+    execute 'h '.expand('<cword>')
+  else
+    call CocAction('doHover')
+  endif
+endfunction
+
+" " Highlight symbol under cursor on CursorHold
+" autocmd CursorHold * silent call CocActionAsync('highlight')
+
+nnoremap <silent> <leader>co  :<C-u>CocList outline<cr>
+nnoremap <silent> <leader>cs  :<C-u>CocList -I symbols<cr>
+
+" List errors
+nnoremap <silent> <leader>cl  :<C-u>CocList locationlist<cr>
+
+" list commands available in tsserver (and others)
+nnoremap <silent> <leader>cc  :<C-u>CocList commands<cr>
+
+" restart when tsserver gets wonky
+nnoremap <silent> <leader>cR  :<C-u>CocRestart<CR>
+
+" view all errors
+nnoremap <silent> <leader>cl  :<C-u>CocList locationlist<CR>
+
+" manage extensions
+nnoremap <silent> <leader>cx  :<C-u>CocList extensions<cr>
+
+" rename the current word in the cursor
+nmap <leader>cr  <Plug>(coc-rename)
+nmap <leader>cf  <Plug>(coc-format-selected)
+vmap <leader>cf  <Plug>(coc-format-selected)
+
+" run code actions
+vmap <leader>ca  <Plug>(coc-codeaction-selected)
+nmap <leader>ca  <Plug>(coc-codeaction-selected)