add linter and formatting support

config/nvim/lua/aleidk/plugins/formatter.lua

@@ -0,0 +1,22 @@
+return {
+	"stevearc/conform.nvim",
+	opts = {
+		formatters_by_ft = {
+			-- Conform will run multiple formatters sequentially
+			lua = { "stylua" },
+			python = { "black" },
+			-- Use a sub-list to run only the first available formatter
+			javascript = { { "prettierd", "prettier" } },
+			typescript = { { "prettierd", "prettier" } },
+			javascriptreact = { { "prettierd", "prettier" } },
+			typescriptreact = { { "prettierd", "prettier" } },
+			-- Use the "_" filetype to run formatters on filetypes that don't
+			-- have other formatters configured.
+			["_"] = { "trim_whitespace" },
+		},
+		format_on_save = {
+			timeout_ms = 500,
+			lsp_fallback = true,
+		},
+	},
+}

config/nvim/lua/aleidk/plugins/linters.lua

@@ -0,0 +1,19 @@
+return {
+	"mfussenegger/nvim-lint",
+	event = "VeryLazy",
+	config = function()
+		require("lint").linters_by_ft = {
+			javascript = { "eslint_d" },
+			typescript = { "eslint_d" },
+			javascriptreact = { "eslint_d" },
+			typescriptreact = { "eslint_d" },
+			-- astro = { "eslint_d" },
+		}
+
+		vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+			callback = function()
+				require("lint").try_lint()
+			end,
+		})
+	end,
+}

config/nvim/lua/aleidk/plugins/lsp.lua

@@ -3,7 +3,7 @@ return {
 	"neovim/nvim-lspconfig",
 	dependencies = {
 		-- Automatically install LSPs to stdpath for neovim
-		{ "williamboman/mason.nvim", config = true },
+		{ "williamboman/mason.nvim" },
 		"williamboman/mason-lspconfig.nvim",
 
 		-- Useful status updates for LSP

config/nvim/lua/aleidk/plugins/mason.lua

@@ -0,0 +1,9 @@
+return {
+	"williamboman/mason.nvim",
+	opts = {
+		ensure_installed = {
+			"typescript-language-server",
+			"eslint_d",
+		},
+	},
+}