feat: setup nvim-cmp, go, removed redundancy

.config/nvim/lua/rocketcamel/plugins/lsp.lua

@@ -6,6 +6,11 @@ return {
 			"williamboman/mason-lspconfig.nvim",
 			"j-hui/fidget.nvim",
 			"lopi-py/luau-lsp.nvim",
+			"hrsh7th/nvim-cmp",
+			"hrsh7th/cmp-cmdline",
+			"hrsh7th/cmp-path",
+			"hrsh7th/cmp-buffer",
+			"hrsh7th/cmp-nvim-lsp",
 		},
 		config = function()
 			require("mason").setup()
@@ -23,24 +28,53 @@ return {
 					"gopls",
 					"templ",
 				},
-				handlers = {
-					function(server)
-						require("lspconfig")[server].setup({})
-					end,
-					luau_lsp = function()
-						require("luau-lsp").setup({
-							fflags = {
-								enable_new_solver = true,
-							},
-							platform = {
-								type = "roblox",
-							},
-							types = {
-								roblox_security_level = "PluginSecurity",
-							},
-						})
+				automatic_enable = {
+					exclude = { "luau_lsp" },
+				},
+			})
+			local cmp = require("cmp")
+			cmp.setup({
+				snippet = {
+					expand = function(args)
+						require("luasnip").lsp_expand(args.body)
 					end,
 				},
+				window = {
+					completion = cmp.config.window.bordered(),
+					documentation = cmp.config.window.bordered(),
+				},
+				mapping = cmp.mapping.preset.insert({
+					["<C-b>"] = cmp.mapping.scroll_docs(-4),
+					["<C-f>"] = cmp.mapping.scroll_docs(4),
+					["<C-Space>"] = cmp.mapping.complete(),
+					["<C-e>"] = cmp.mapping.abort(),
+					["<CR>"] = cmp.mapping.confirm({ select = true }),
+				}),
+				sources = cmp.config.sources({
+					{ name = "nvim_lsp" },
+					{ name = "luasnip" },
+				}, {
+					{ name = "buffer" },
+				}),
+			})
+			local capabilities = require("cmp_nvim_lsp").default_capabilities()
+			vim.lsp.config("*", {
+				capabilities = capabilities,
+			})
+			cmp.setup.cmdline({ "/", "?" }, {
+				mapping = cmp.mapping.preset.cmdline(),
+				sources = {
+					{ name = "buffer" },
+				},
+			})
+			cmp.setup.cmdline(":", {
+				mapping = cmp.mapping.preset.cmdline(),
+				sources = cmp.config.sources({
+					{ name = "path" },
+				}, {
+					{ name = "cmdline" },
+				}),
+				matching = { disallow_symbol_nonprefix_matching = false },
 			})
 		end,
 	},