feat(nvim): use formatter.nvim for goimports

vim/after/ftplugin/go.vim

@@ -29,8 +29,7 @@ nnoremap <silent> ds :GoDebugStep<cr>
 
 " Vim-Go configuration
 let g:go_gopls_enabled = 0
-let g:go_fmt_autosave = 1
+let g:go_fmt_autosave = 0
-let g:go_fmt_command = "goimports"
 let g:go_imports_autosave = 0
 let g:go_textobj_enabled = 0
 let g:go_auto_sameids = 0
@@ -43,8 +42,6 @@ let g:go_highlight_diagnostic_errors = 0
 let g:go_highlight_diagnostic_warnings = 0
 let g:go_highlight_trailing_whitespace_error=0
 
-let g:go_fmt_command = 'goimports'
-
 " g:go_statusline_duration doesn't seem to work accurately, but does help
 " reduce the time the build/test success messages are shown in the status
 " line.

vim/lua/formatter_config.lua

@@ -6,12 +6,20 @@ local prettier = function()
 	}
 end
 
+local goimports = function()
+	return {
+		exe = "goimports",
+		stdin = true,
+	}
+end
+
 require("formatter").setup({
 	log_level = vim.log.levels.INFO,
 	filetype = {
 		javascript = { prettier },
 		typescript = { prettier },
 		typescriptreact = { prettier },
+		go = { goimports },
 
 		-- https://github.com/JohnnyMorganz/StyLua
 		-- cargo install stylua --features lua54
@@ -26,7 +34,7 @@ vim.api.nvim_exec2(
 	[[
 augroup FormatAutogroup
   autocmd!
-  autocmd BufWritePost *.js,*.ts,*.tsx,*.lua silent FormatWrite
+  autocmd BufWritePost *.js,*.ts,*.tsx,*.go,*.lua silent FormatWrite
 augroup END
 ]],
 	{ output = true }