feat(gopls): add formatter/linter config

lua/lsp/config/gopls.lua

@@ -1,10 +1,47 @@
--- spec: https://rust-analyzer.github.io/manual.html#configuration
+local utils = require("utils")
 
+---@type ServerConfig
 return {
     enable = true,
-    mason = {
-        name = "gopls",
-        -- version = "",
+    mason = { "gopls", dependencies = { "golines", "golangci-lint" } },
+    keymaps = {
+        {
+            mode = "n",
+            lhs = "<leader>lf",
+            rhs = function()
+                utils.format({
+                    cmd = { "golines", "-m", "80", "--shorten-comments" },
+                    output = "stdout",
+                })
+                vim.lsp.buf.format({ async = true })
+            end,
+        },
+    },
+    linters = {
+        {
+            cmd = {
+                "golangci-lint",
+                "run",
+                "--output.json.path=stdout",
+                "--show-stats=false",
+                "%file%",
+            },
+            stdin = true,
+            stdout = true,
+            json = {
+                diagnostics_root = "Issues",
+                source = "FromLinter",
+                message = "Text",
+                lnum = "Pos.Line",
+                col = "Pos.Column",
+                callback = function(diag)
+                    if not diag.severity or diag.severity == "" then
+                        diag.severity = vim.diagnostic.severity.WARN
+                    end
+                    utils.debug(vim.inspect(diag))
+                end,
+            },
+        },
     },
     lspconfig = {
         filetypes = {
@@ -13,7 +50,7 @@ return {
             "gowork",
             "gotmpl",
         },
-        cmd = { "gopls", },
+        cmd = { "gopls" },
         single_file_support = true,
         settings = {
             gopls = {
@@ -21,7 +58,7 @@ return {
                     unusedparams = true,
                 },
                 staticcheck = true,
-                gofumpt = true,
+                gofumpt = false,
             },
         },
     },