Added a bunch of go snippets

.config/nvim/lua/custom/config/cmp.lua

@@ -34,8 +34,10 @@ end
 
 cmp.setup({
     enabled = is_enabled,
+    preselect = cmp.PreselectMode.None,
     completion = { completeopt = 'menu,menuone,noinsert' },
     sources = cmp.config.sources({
+        { name = 'luasnip' }, -- for snippets
         {
             name = 'nvim_lsp',
             option = {
@@ -44,7 +46,6 @@ cmp.setup({
                 },
             },
         }, -- for lsp
-        { name = 'luasnip' }, -- for snippets
         { name = 'lazydev', group_index = 0 }, -- for lazydev.nvim
         { name = 'path' }, -- for filesystem
     }, {}),

.config/nvim/lua/custom/snippets/go.lua

@@ -1,11 +1,14 @@
 require('luasnip.session.snippet_collection').clear_snippets('go')
 local ls = require('luasnip')
+local s = ls.snippet
+local t = ls.text_node
 local i = ls.insert_node
+local d = ls.dynamic_node
 
 ---@param abbr string
 ---@param expansion string
 ---@param args table
-local function s(abbr, expansion, args)
+local function snip(abbr, expansion, args)
     return ls.snippet(abbr, require('luasnip.extras.fmt').fmt(expansion, args))
 end
 
@@ -50,6 +53,25 @@ func {}(ctx context.Context, sess *session.Session, request packet{}) packet.Pay
 ]=]
 
 ls.add_snippets('go', {
-    s('tmod', tea_model, { i(0) }),
-    s('sapi', server_api, { i(1), i(0) }),
+    snip('tmod', tea_model, { i(0) }),
+    snip('sapi', server_api, { i(1), i(0) }),
+
+    s('iferr', {
+        t({ 'if err != nil {', '' }),
+        i(1, '    return'),
+        t({ '', '}' }),
+    }),
+
+    s('fmterr', {
+        t('fmt.Errorf("'),
+        i(1, 'msg'),
+        t(': %w", err)'),
+    }),
+
+    s('dberr', {
+        t({ 'if err != nil {', '' }),
+        i(2, { '    log.Println("database error ', 'x', ':", err)', '' }),
+        i(2, '    return ', '&ErrInternalError'),
+        t({ '', '}' }),
+    }),
 })