better golang lsp support

init.lua

@@ -650,7 +650,41 @@ require('lazy').setup({
       --        For example, to see the options for `lua_ls`, you could go to: https://luals.github.io/wiki/settings/
       local servers = {
         -- clangd = {},
-        -- gopls = {},
+        gopls = {
+          settings = {
+            gopls = {
+              gofumpt = true,
+              codelenses = {
+                gc_details = false,
+                generate = true,
+                regenerate_cgo = true,
+                test = true,
+                tidy = true,
+                upgrade_dependency = true,
+                vendor = true,
+              },
+              hints = {
+                assignVariableTypes = true,
+                compositeLiteralFields = true,
+                constantValues = true,
+                functionTypeParameters = true,
+                parameterNames = true,
+                rangeVariableTypes = true,
+              },
+              analyses = {
+                fieldalignment = true,
+                nilness = true,
+                unusedparams = true,
+                unusedwrite = true,
+                useany = true,
+              },
+              usePlaceholders = true,
+              completeUnimported = true,
+              staticcheck = true,
+              directoryFilters = { '-.git', '-.vscode', '-.idea', '-.vscode-test', '-node_modules' },
+            },
+          },
+        },
         -- pyright = {},
         -- rust_analyzer = {},
         -- ... etc. See `:help lspconfig-all` for a list of all the pre-configured LSPs
@@ -832,6 +866,25 @@ require('lazy').setup({
         -- By default, you may press `<c-space>` to show the documentation.
         -- Optionally, set `auto_show = true` to show the documentation after a delay.
         documentation = { auto_show = false, auto_show_delay_ms = 500 },
+        menu = {
+          draw = {
+            -- Define the columns to show in the completion menu
+            columns = {
+              { 'kind_icon' },
+              { 'label', 'label_description', gap = 1 },
+              { 'source_name' },
+            },
+            components = {
+              source_name = {
+                width = { max = 20 },
+                text = function(ctx)
+                  return ctx.source_name or ''
+                end,
+                highlight = 'BlinkCmpSource',
+              },
+            },
+          },
+        },
       },
 
       sources = {