ajs-nvim/lua/setup/lsp.lua

local lsp_capabilities = require("cmp_nvim_lsp").default_capabilities()

local default_setup = function(server)
	require("lspconfig")[server].setup({
		capabilities = lsp_capabilities,
	})
end

-- enable mason and configure icons
require("mason").setup({
	ui = {
		icons = {
			package_installed = "✓",
			package_pending = "➜",
			package_uninstalled = "✗",
		},
	},
})

require("mason-lspconfig").setup({
	ensure_installed = {
		--		"tsserver",
		"cssls",
		"html",
		"bashls",
		"eslint",
		"ltex",
		--"marksman",
		--"lua_ls" has to be installed via package manager on ARM systems
	},
	handlers = {
		default_setup,
	},
})

local on_attach = function()
	vim.api.nvim_create_autocmd("LspAttach", {
		desc = "LSP actions",
		callback = function()
			local bufmap = function(mode, lhs, rhs)
				local opts = { buffer = true }
				vim.keymap.set(mode, lhs, rhs, opts)
			end

			-- Displays hover information about the symbol under the cursor
			bufmap("n", "K", "<cmd>lua vim.lsp.buf.hover()<cr>")

			-- Jump to the definition
			bufmap("n", "gd", "<cmd>lua vim.lsp.buf.definition()<cr>")

			-- Jump to declaration
			bufmap("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<cr>")

			-- Lists all the implementations for the symbol under the cursor
			bufmap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<cr>")

			-- Jumps to the definition of the type symbol
			bufmap("n", "go", "<cmd>lua vim.lsp.buf.type_definition()<cr>")

			-- Lists all the references
			bufmap("n", "gr", "<cmd>lua vim.lsp.buf.references()<cr>")

			-- Displays a function's signature information
			bufmap("n", "gs", "<cmd>lua vim.lsp.buf.signature_help()<cr>")

			-- Renames all references to the symbol under the cursor
			bufmap("n", "<F2>", "<cmd>lua vim.lsp.buf.rename()<cr>")

			-- Selects a code action available at the current cursor position
			bufmap("n", "<F4>", "<cmd>lua vim.lsp.buf.code_action()<cr>")

			-- Show diagnostics in a floating window
			bufmap("n", "gl", "<cmd>lua vim.diagnostic.open_float()<cr>")

			-- Move to the previous diagnostic
			bufmap("n", "nd", "<cmd>lua vim.diagnostic.goto_prev()<cr>")

			-- Move to the next diagnostic
			bufmap("n", "nd", "<cmd>lua vim.diagnostic.goto_next()<cr>")
		end,
	})
end

local lspconfig = require("lspconfig")

require("mason-lspconfig").setup_handlers({
	-- The first entry (without a key) will be the default handler
	-- and will be called for each installed server that doesn't have
	-- a dedicated handler.
	function(server_name)
		require("lspconfig")[server_name].setup({
			on_attach = on_attach,
			capabilities = lsp_capabilities,
		})
	end,
	-- ["eslint"] = function()
	-- 	lspconfig.eslint.setup({
	-- 		capabilities = lsp_capabilities,
	-- 		on_attach = require("config.lsp.servers.eslint").on_attach,
	-- 		settings = require("config.lsp.servers.eslint").settings,
	-- 	})
	-- end,
	["lua_ls"] = function()
		lspconfig.lua_ls.setup({
			capabilities = lsp_capabilities,
			on_attach = on_attach,
			settings = require("config.lsp.servers.lua").settings,
		})
	end,
	["ltex"] = function()
		lspconfig.ltex.setup({
			capabilities = lsp_capabilities,
			on_attach = on_attach,
			settings = require("config.lsp.servers.latex").settings,
		})
	end,
})