nvim: add neogen

.config/nvim/lua/plugins/cmp.lua

@@ -1,6 +1,7 @@
 vim.opt.completeopt = { "menuone", "noselect" }
 
 local cmp = require("cmp")
+local neogen = require("neogen")
 
 cmp.setup({
 	snippet = {
@@ -19,6 +20,26 @@ cmp.setup({
 			behavior = cmp.ConfirmBehavior.Replace,
 			select = false,
 		}),
+		["<tab>"] = cmp.mapping(function(fallback)
+			if neogen.jumpable() then
+				neogen.jump_next()
+			else
+				fallback()
+			end
+		end, {
+			"i",
+			"s",
+		}),
+		["<S-tab>"] = cmp.mapping(function(fallback)
+			if neogen.jumpable(true) then
+				neogen.jump_prev()
+			else
+				fallback()
+			end
+		end, {
+			"i",
+			"s",
+		}),
 	},
 	sources = {
 		{ name = "nvim_lsp" },