fix(cmp): formatting using lspkind

lua/custom/completion.lua

@@ -1,9 +1,9 @@
 local cmp = require("cmp")
-local defaults = require("cmp.config.default")()
 local lspkind = require "lspkind"
 require("custom.snippets")
 
 cmp.setup({
+	preselect = cmp.PreselectMode.None,
 	completion = {
 		completeopt = "menu,menuone,noinsert",
 	},
@@ -13,6 +13,13 @@ cmp.setup({
 		["<C-u>"] = cmp.mapping.scroll_docs(-4),
 		["<C-d>"] = cmp.mapping.scroll_docs(4),
 		["<C-e>"] = cmp.mapping.abort(),
+		['<C-g>'] = function()
+			if cmp.visible_docs() then
+				cmp.close_docs()
+			else
+				cmp.open_docs()
+			end
+		end,
 		["<CR>"] = cmp.mapping.confirm({
 			behavior = cmp.ConfirmBehavior.Insert,
 			select = true,
@@ -25,28 +32,30 @@ cmp.setup({
 		end,
 	},
 	sources = cmp.config.sources({
+		{ name = "luasnip", priority = 100 },
 		{ name = "nvim_lsp" },
 		{ name = "path" },
-		{ name = "luasnip" },
-		{ name = "buffer" },
+		{ name = "buffer",  group_index = 10 },
+		{ name = "lazydev", group_index = 0, }
 	}),
-	sorting = defaults.sorting,
-	format = lspkind.cmp_format({
-		mode = 'text_symbol', -- show only symbol annotations
-		maxwidth = {
-			-- prevent the popup from showing more than provided characters (e.g 50 will not show more than 50 characters)
-			-- can also be a function to dynamically calculate max width such as
-			-- menu = function() return math.floor(0.45 * vim.o.columns) end,
-			menu = 50,          -- leading text (labelDetails)
-			abbr = 50,          -- actual suggestion item
-		},
-		ellipsis_char = '...',  -- when popup menu exceed maxwidth, the truncated part would show ellipsis_char instead (must define maxwidth first)
-		show_labelDetails = true, -- show labelDetails in menu. Disabled by default
-
-		-- The function below will be called before any actual modifications from lspkind
-		-- so that you can provide more controls on popup customization. (See [#30](https://github.com/onsails/lspkind-nvim/pull/30))
-		before = function(_, vim_item)
-			return vim_item
-		end
-	})
+	formatting = {
+		expandable_indicator = true,
+		fields = { "kind", "abbr", "menu" },
+		format = lspkind.cmp_format({
+			mode = 'symbol_text',
+			maxwidth = 50,
+			ellipsis_char = '...',
+			show_labelDetails = true,
+			before = function(entry, vim_item)
+				vim_item.menu = ({
+					buffer = "[Buffer]",
+					nvim_lsp = "[LSP]",
+					luasnip = "[Snippet]",
+					path = "[Path]",
+					lazydev = "[Lazy]",
+				})[entry.source.name]
+				return vim_item
+			end
+		})
+	}
 })