final settings

lua/custom/nvim-cmp.lua

@@ -0,0 +1,70 @@
+-- import nvim-cmp plugin safely
+local cmp_status, cmp = pcall(require, "cmp")
+if not cmp_status then
+	return
+end
+
+-- import luasnip plugin safely
+local luasnip_status, luasnip = pcall(require, "luasnip")
+if not luasnip_status then
+	return
+end
+
+-- import lspkind plugin safely
+local lspkind_status, lspkind = pcall(require, "lspkind")
+if not lspkind_status then
+	return
+end
+
+-- load vs-code like snippets from plugins (e.g. friendly-snippets)
+require("luasnip/loaders/from_vscode").lazy_load()
+
+vim.opt.completeopt = "menu,menuone,noselect"
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body)
+		end,
+	},
+
+	window = {
+		completion = cmp.config.window.bordered(),
+		documentation = cmp.config.window.bordered(),
+	},
+
+	mapping = cmp.mapping.preset.insert({
+		["<C-k>"] = cmp.mapping.select_prev_item(), -- previous suggestion
+		["<C-j>"] = cmp.mapping.select_next_item(), -- next suggestion
+		["<C-b>"] = cmp.mapping.scroll_docs(-4),
+		["<C-f>"] = cmp.mapping.scroll_docs(4),
+		["<C-Space>"] = cmp.mapping.complete(), -- show completion suggestions
+		["<C-e>"] = cmp.mapping.abort(), -- close completion window
+		["<CR>"] = cmp.mapping.confirm({ select = true }),
+	}),
+	-- sources for autocompletion
+	sources = cmp.config.sources({
+		{ name = "nvim_lsp" },      -- lsp
+		{ name = "luasnip" },       -- snippets
+		{ name = "buffer",  keyword_length = 5 }, -- text within current buffer
+		{ name = "path" },          -- file system paths
+	}),
+	-- configure lspkind for vs-code like icons
+	formatting = {
+		format = lspkind.cmp_format({
+			maxwidth = 150,
+			ellipsis_char = "...",
+			menu = {
+				buffer = "[buf]",
+				luasnip = "[lua]",
+				nvim_lsp = "[LSP]",
+				path = "[path]",
+				gh_issues = "[issues]",
+			},
+		}),
+	},
+
+	experimental = {
+		ghost_text = true,
+	},
+})