coc-go

Go language server extension using gopls for coc.nvim.

Install

In your vim/neovim, run command:

:CocInstall coc-go

Features

See gopls

Commands

Additional to commands provided by gopls, this extensions provides these commands:

Key
go.install.gomodifytags	Install / Update gomodifytags
go.install.gopls	Install / Update gopls
go.install.gotests	Install / Update gotests
go.playground	Run on Go Playground
go.tags.add.line	Add Tags To Struct Field at current line
go.tags.add.prompt	Add Tags To Struct Fields (prompt)
go.tags.add	Add Tags To Struct Fields
go.tags.clear.line	Remove All Tags From Struct Field at line
go.tags.clear	Remove All Tags From Struct Fields
go.tags.remove.line	Remove Tags From Struct Field at line
go.tags.remove.prompt	Remove Tags From Struct Fields (prompt)
go.tags.remove	Remove Tags From Struct Fields
go.test.generate.exported	Generate Unit Tests For Exported Functions in File
go.test.generate.file:	Generate Unit Tests For File
go.test.toggle	Toggle Test File
go.version	Print extension version

Examples

• Add or Remove specific tags

  CocCommand go.tags.add yaml
  CocCommand go.tags.add yaml json xml
  CocCommand go.tags.remove xml
  

• Add missing imports on save

  autocmd BufWritePre *.go :CocCommand editor.action.organizeImport
  

• Map Keys to command

  autocmd FileType go nmap gtj :CocCommand go.tags.add json<cr>
  autocmd FileType go nmap gty :CocCommand go.tags.add yaml<cr>
  autocmd FileType go nmap gtx :CocCommand go.tags.clear<cr>
  

Snippets

Snippets are imported from microsoft/vscode-go and require coc-snippets to be installed.

Configuration options

Key
go.enable	Set to false to disable gopls language server.
go.commandPath	Absolute path of gopls executable.
go.tags.tags	Comma separated tags to be used by go.tags.add command
go.tags.options	Comma separated tag=options pairs to be used by go.tags.add command
go.tags.transform	Transformation rule used by go.tags.add command to add tags
go.tests.generateFlags	Additional command line flags to pass to gotests for generating tests."

Trigger completion in coc-settings.json to get complete list.

Development

1. Run yarn build or yarn build:watch
2. Run yarn run link:add to link extension

TODO

• Add goimpl command

  {
    "command": "go.impl.cursor",
    "title": "Go: Generate Interface Stubs"
  }
  

• Add godoctor refactor commands

  {
    "command": "go.godoctor.extract",
    "title": "Go: Extract to function"
  },
  {
    "command": "go.godoctor.variable",
    "title": "Go: Extract to variable"
  }
  

• Add fillstruct command

  {
    "command": "go.fill.struct",
    "title": "Go: Fill struct"
  }
  

Tools

• gomodifytags - BSD
• goplay - MIT
• gopls
• gotests - Apache

License

MIT © Josa Gesell