config/.config/nvim/lua/lazyvim/plugins/lsp/init.lua

return {
	-- lspconfig
	{
		"neovim/nvim-lspconfig",
		event = "BufReadPre",
		dependencies = {
			{ "folke/neoconf.nvim", cmd = "Neoconf", config = true },
			{ "folke/neodev.nvim", config = true },
			"mason.nvim",
			"williamboman/mason-lspconfig.nvim",
			"hrsh7th/cmp-nvim-lsp",
		},
		opts = {
			-- options for vim.diagnostic.config()
			diagnostics = {
				underline = true,
				update_in_insert = true,
				virtual_text = { spacing = 4, prefix = "●" },
				severity_sort = true,
			},
			autoformat = true,
			servers = {
				lua_ls = {
					mason = true,
					settings = {
						Lua = {
							workspace = {
								checkThirdParty = false,
							},
							completion = {
								callSnippet = "Replace",
							},
						},
					},
				},
				ltex = {
					settings = {
						ltex = {
							language = "en-AU",
						},
					},
				},
				rust_analyzer = {
					capabilities = capabilities,
					on_attach = on_attach,
					cmd = {

						"rustup",
						"run",
						"stable",
						"rust-analyzer",
					},
				},
			},
			setup = {
				-- additional setup can be added here.
			},
		},
		config = function(plugin, opts)
			local Util = require("lazyvim.utils")
			-- setup autoformat
			require("lazyvim.plugins.lsp.format").autoformat = opts.autoformat
			-- setup formatting and keymaps
			Util.on_attach(function(client, buffer)
				require("lazyvim.plugins.lsp.format").on_attach(client, buffer)
				require("lazyvim.plugins.lsp.keymaps").on_attach(client, buffer)
			end)

			-- diagnostics
			for name, icon in pairs(require("lazyvim.config.icons").diagnostics) do
				name = "DiagnosticSign" .. name
				vim.fn.sign_define(name, { text = icon, texthl = name, numhl = "" })
			end

			if type(opts.diagnostics.virtual_text) == "table" and opts.diagnostics.virtual_text.prefix == "icons" then
				opts.diagnostics.virtual_text.prefix = vim.fn.has("nvim-0.10.0") == 0 and "●"
					or function(diagnostic)
						local icons = require("lazyvim.config").icons.diagnostics
						for d, icon in pairs(icons) do
							if diagnostic.severity == vim.diagnostic.severity[d:upper()] then
								return icon
							end
						end
					end
			end

			vim.diagnostic.config(vim.deepcopy(opts.diagnostics))

			local servers = opts.servers
			local capabilities = vim.tbl_deep_extend(
				"force",
				{},
				vim.lsp.protocol.make_client_capabilities(),
				require("cmp_nvim_lsp").default_capabilities(),
				opts.capabilities or {}
			)

			local function setup(server)
				local server_opts = vim.tbl_deep_extend("force", {
					capabilities = vim.deepcopy(capabilities),
				}, servers[server] or {})

				if opts.setup[server] then
					if opts.setup[server](server, server_opts) then
						return
					end
				elseif opts.setup["*"] then
					if opts.setup["*"](server, server_opts) then
						return
					end
				end
				require("lspconfig")[server].setup(server_opts)
			end

			-- get all the servers that are available thourgh mason-lspconfig
			local have_mason, mlsp = pcall(require, "mason-lspconfig")
			local all_mslp_servers = {}
			if have_mason then
				all_mslp_servers = vim.tbl_keys(require("mason-lspconfig.mappings.server").lspconfig_to_package)
			end

			local ensure_installed = {} ---@type string[]
			for server, server_opts in pairs(servers) do
				if server_opts then
					server_opts = server_opts == true and {} or server_opts
					-- run manual setup if mason=false or if this is a server that cannot be installed with mason-lspconfig
					if server_opts.mason == false or not vim.tbl_contains(all_mslp_servers, server) then
						setup(server)
					else
						ensure_installed[#ensure_installed + 1] = server
					end
				end
			end

			if have_mason then
				mlsp.setup({ ensure_installed = ensure_installed })
				mlsp.setup_handlers({ setup })
			end
		end,
	},

	-- formatters
	{
		"jose-elias-alvarez/null-ls.nvim",
		event = "BufReadPre",
		dependencies = { "mason.nvim" },
		opts = function()
			local nls = require("null-ls")
			return {
				root_dir = require("null-ls.utils").root_pattern(".null-ls-root", ".neoconf.json", "Makefile", ".git"),
				debug = false,
				sources = {
					nls.builtins.formatting.stylua,
					nls.builtins.formatting.prettier.with({
						filetypes = {
							"javascript",
							"typescript",
							"css",
							"scss",
							"html",
							"json",
							"yaml",
						},
					}),
					nls.builtins.formatting.black.with({ extra_args = { "--fast" } }),
					nls.builtins.formatting.bibclean,
					nls.builtins.formatting.beautysh,
					nls.builtins.diagnostics.shellcheck,
				},
			}
		end,
	},

	-- cmdline tools and lsp servers
	{
		"williamboman/mason.nvim",
		cmd = "Mason",
		keys = { { "<leader>lM", "<cmd>Mason<cr>", desc = "Mason" } },
		opts = {
			ensure_installed = {
				"stylua",
				"shellcheck",
				"shfmt",
			},
		},
		config = function(plugin, opts)
			require("mason").setup()
			local mr = require("mason-registry")
			for _, tool in ipairs(opts.ensure_installed) do
				local p = mr.get_package(tool)
				if not p:is_installed() then
					p:install()
				end
			end
		end,
	},
	{
		"simrat39/rust-tools.nvim",
		opts = {
			server = {
				on_attach = function(_, bufnr)
					local rt = require("rust-tools")
					-- Hover actions
					vim.keymap.set("n", "<C-space>", rt.hover_actions.hover_actions, { buffer = bufnr })
					-- Code action groups
					vim.keymap.set("n", "<Leader>a", rt.code_action_group.code_action_group, { buffer = bufnr })
				end,
			},
		},
	},
}