Add golang support to vim

nvim/coc-settings.json

@@ -3,5 +3,33 @@
   "git.changedSign.text": "▐",
   "git.removedSign.text": "▐",
   "git.topRemovedSign.text": "▐",
-  "git.changeRemovedSign.text": "▐"
+  "git.changeRemovedSign.text": "▐",
+  "suggest.noselect": false,
+  "diagnostic.errorSign": "✘",
+  "diagnostic.warningSign": "⚠",
+  "diagnostic.infoSign": "🛈",
+  "diagnostic.checkCurrentLine": true,
+  "coc.preferences.formatOnSaveFiletypes": [
+    "javascript",
+    "html",
+    "json",
+    "css",
+    "scss",
+    "go"
+  ],
+  "coc.preferences.hoverTarget": "float",
+  "languageserver": {
+    "golang": {
+      "command": "gopls",
+      "rootPatterns": [
+        "go.mod"
+      ],
+      "filetypes": [
+        "go"
+      ]
+    }
+  },
+  "go.goplsOptions": {
+    "staticcheck": true
+  }
 }

nvim/colors

@@ -18,16 +18,20 @@ function! s:sonokai_custom() abort
   " the fourth parameter is for UI highlighting which is optional,
   " and the last parameter is for `guisp` which is also optional.
   " See `autoload/sonokai.vim` for the format of `l:palette`.
-  call sonokai#highlight('LineNr', l:palette.grey, l:palette.bg1)
-  call sonokai#highlight('SignColumn', l:palette.fg, l:palette.bg1)
-  call sonokai#highlight('VertSplit', l:palette.bg1, l:palette.none)
-  call sonokai#highlight('Terminal', l:palette.fg, l:palette.bg1)
+  call sonokai#highlight('BlueSign', l:palette.blue, l:palette.bg1)
   call sonokai#highlight('CocGitAddedSign', l:palette.green, l:palette.bg1)
+  call sonokai#highlight('CocGitChangeRemovedSign', l:palette.purple, l:palette.bg1)
   call sonokai#highlight('CocGitChangedSign', l:palette.blue, l:palette.bg1)
   call sonokai#highlight('CocGitRemovedSign', l:palette.red, l:palette.bg1)
   call sonokai#highlight('CocGitTopRemovedSign', l:palette.red, l:palette.bg1)
-  call sonokai#highlight('CocGitChangeRemovedSign', l:palette.purple, l:palette.bg1)
   call sonokai#highlight('GitCommitTemplateTag', l:palette.orange, l:palette.none)
+  call sonokai#highlight('GreenSign', l:palette.green, l:palette.bg1)
+  call sonokai#highlight('LineNr', l:palette.grey, l:palette.bg1)
+  call sonokai#highlight('RedSign', l:palette.red, l:palette.bg1)
+  call sonokai#highlight('SignColumn', l:palette.fg, l:palette.bg1)
+  call sonokai#highlight('Terminal', l:palette.fg, l:palette.bg1)
+  call sonokai#highlight('VertSplit', l:palette.bg1, l:palette.none)
+  call sonokai#highlight('YellowSign', l:palette.yellow, l:palette.bg1)
 endfunction
 
 augroup CustomColors

nvim/golang

@@ -0,0 +1,22 @@
+" disable all linters as that is taken care of by coc.nvim
+let g:go_diagnostics_enabled = 0
+let g:go_metalinter_enabled = []
+
+" don't jump to errors after metalinter is invoked
+let g:go_jump_to_error = 0
+
+" run go imports on file save
+let g:go_fmt_command = "goimports"
+
+" automatically highlight variable your cursor is on
+let g:go_auto_sameids = 0
+
+" syntax highlighting
+let g:go_highlight_types = 1
+let g:go_highlight_fields = 1
+let g:go_highlight_functions = 1
+let g:go_highlight_function_calls = 1
+let g:go_highlight_operators = 1
+let g:go_highlight_extra_types = 1
+let g:go_highlight_build_constraints = 1
+let g:go_highlight_generate_tags = 1

nvim/plugins

@@ -2,6 +2,7 @@
 Plug 'cespare/vim-toml'
 Plug 'mileszs/ack.vim'
 Plug 'tpope/vim-fugitive'
+Plug 'fatih/vim-go'
 Plug 'tpope/vim-projectionist'
 Plug 'tpope/vim-rails'
 Plug 'tpope/vim-surround'

vimrc

@@ -95,6 +95,11 @@ if filereadable(expand("~/.config/nvim/test"))
   source ~/.config/nvim/test
 endif
 
+" Golang setup
+if filereadable(expand("~/.config/nvim/golang"))
+  source ~/.config/nvim/golang
+endif
+
 " Color setup
 if filereadable(expand("~/.config/nvim/colors"))
   source ~/.config/nvim/colors