fix lag with dart lsp

README.md

@@ -18,6 +18,26 @@ A pre-configured, performance-oriented Neovim setup designed to get you from zer
 
 The **Leader Key** is set to `Space`.
 
+### Core Motions & Editing
+
+| Action | Keybinding | Description |
+| :--- | :--- | :--- |
+| **Move Left** | `h` | Move the cursor one character to the left. |
+| **Move Down** | `j` | Move the cursor down one line. |
+| **Move Up** | `k` | Move the cursor up one line. |
+| **Move Right** | `l` | Move the cursor one character to the right. |
+| **Word Forward** | `w` | Jump forward to the start of the next word. |
+| **Word Backward** | `b` | Jump backward to the start of the previous word. |
+| **End of Word** | `e` | Jump forward to the end of the current/next word. |
+| **Line Start** | `0` | Jump to the absolute beginning of the current line. |
+| **Line End** | `$` | Jump to the end of the current line. |
+| **File Top** | `gg` | Jump to the first line of the file. |
+| **File Bottom** | `G` | Jump to the last line of the file. |
+| **Internal Yank** | `y` | Copy selected text (Visual mode) *inside* Neovim only. |
+| **Internal Paste** | `p` | Paste text (Normal mode) last copied/deleted *inside* Neovim. |
+| **System Copy** | `<leader>y` |Copy selected text (Visual mode) to the **system clipboard**. |
+| **System Paste** | `<leader>p` | Paste text (Normal mode) from the **system clipboard**. |
+
 **Note:** Dashboard keybindings are active only on the dashboard screen and do not require the leader key prefix.
 
 ### Dashboard
@@ -134,6 +154,8 @@ The **Leader Key** is set to `Space`.
 | Action | Keybinding | Description |
 | :--- | :--- | :--- |
 | **Confirm Completion**| `Enter` | Accept the current suggestion in the popup menu. |
+| **Confirm Completion**| `Enter` | Accept the current suggestion in the popup menu. |
+| **Confirm Completion**| `Enter` | Accept the current suggestion in the popup menu. |
 | **Scroll Docs** | `Ctrl + f / b` | Scroll up/down in the LSP documentation window. |
 
 ## Get Started

lua/config/keybinds.lua

@@ -1,6 +1,10 @@
 vim.g.mapleader = " "
 -- vim.keymap.set("n", "<leader>cd", vim.cmd.Ex)
 vim.keymap.set("n", "<leader>;", ":Dashboard<CR>", { desc = "Return to Dashboard", silent = true })
+-- Copy visual selection to system clipboard using Leader + y
+vim.keymap.set("v", "<leader>y", '"+y', { desc = "Copy to system clipboard" })
+-- Paste from system clipboard using Leader + p
+vim.keymap.set("n", "<leader>p", '"+p', { desc = "Paste from system clipboard" })
 vim.api.nvim_create_autocmd("FileType", {
 	pattern = "netrw",
 	callback = function(event)

lua/config/options.lua

@@ -7,3 +7,5 @@ vim.g.loaded_netrw = 1
 vim.g.loaded_netrwPlugin = 1
 vim.opt.splitbelow = true -- Opens horizontal splits below
 vim.opt.splitright = true -- Opens vertical splits to the right
+-- Disable legacy vim bracket matching engine (fixes newline/brace layout latency)
+vim.g.loaded_matchparen = 1

lua/plugins/flutter.lua

@@ -40,6 +40,9 @@ return {
 				},
 				lsp = {
 					capabilities = require("cmp_nvim_lsp").default_capabilities(),
+					on_attach = function(client, bufnr)
+						client.server_capabilities.semanticTokensProvider = nil
+					end,
 					settings = {
 						showTodos = true,
 						completeFunctionCalls = true,

lua/plugins/lsp.lua

@@ -107,7 +107,16 @@ return {
 				},
 				mapping = cmp.mapping.preset.insert({
 					["<C-Space>"] = cmp.mapping.complete(),
-					["<CR>"] = cmp.mapping.confirm({ select = true }),
+					["<CR>"] = cmp.mapping({
+						i = function(fallback)
+							if cmp.visible() and cmp.get_active_entry() then
+								cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false })
+							else
+								fallback()
+							end
+							fallback()
+						end,
+					}),
 					["<Tab>"] = cmp.mapping(function(fallback)
 						if cmp.visible() then
 							cmp.confirm({ select = true })
@@ -117,10 +126,18 @@ return {
 					end, { "i", "s" }),
 				}),
 				sources = cmp.config.sources({
-					{ name = "nvim_lsp" },
-					{ name = "luasnip" },
-				}, {
-					{ name = "buffer" },
+					{ name = "nvim_lsp", keyword_length = 1 },
+					{ name = "luasnip",  keyword_length = 1 },
+					{
+						name = "buffer",
+						keyword_length = 2,
+						-- Limit indexing to only the active visible buffer to stop lag on Enter
+						option = {
+							get_bufnrs = function()
+								return { vim.api.nvim_get_current_buf() }
+							end
+						}
+					}, -- Triggers after typing 2 characters of a local word
 					{ name = "path" },
 				}),
 			})

lua/plugins/oneliners.lua

@@ -14,7 +14,21 @@ return {
 	{
 		'windwp/nvim-autopairs',
 		event = "InsertEnter",
-		config = true
+		config = function()
+			local autopairs = require("nvim-autopairs")
+			autopairs.setup({
+				check_ts = true,
+				ts_config = {
+					lua = { "string" },
+					dart = { "string_literal" }
+				}
+			})
+			local cmp_autopairs = require("nvim-autopairs.completion.cmp")
+			local pcall_cmp, cmp = pcall(require, "cmp")
+			if pcall_cmp then
+				cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done())
+			end
+		end
 	},
 
 }

lua/plugins/treesitter.lua

@@ -13,6 +13,13 @@ return {
 		ts.setup({
 			install_dir = vim.fn.stdpath("data") .. "/site",
 			auto_install = true,
+			highlight = {
+				enable = true,
+			},
+			indent = {
+				enable = true,
+				disable = { "dart" },
+			},
 		})
 		-- 2. Bulk Install Parsers (Asynchronous)
 		ts.install(supported_languages)