nvim/lua/nyanko/lazy/lspconfig.lua

return {
	"neovim/nvim-lspconfig",
	dependencies = {
		{ "williamboman/mason.nvim", config = true },
		"williamboman/mason-lspconfig.nvim",
		"WhoIsSethDaniel/mason-tool-installer.nvim",
		"hrsh7th/cmp-nvim-lsp",

		-- useful LSP status updates
		{ "j-hui/fidget.nvim", opts = {} },
	},
	config = function()
		vim.api.nvim_create_autocmd("LspAttach", {
			group = vim.api.nvim_create_augroup("nyanko-lsp-attach", { clear = true }),
			callback = function(event)
				-- highlight references of the word under cursor
				local client = vim.lsp.get_client_by_id(event.data.client_id)
				if client and client.supports_method(vim.lsp.protocol.Methods.textDocument_documentHighlight) then
					local highlight_augroup = vim.api.nvim_create_augroup("nyanko-lsp-highlight", { clear = false })

					vim.api.nvim_create_autocmd({
						"CursorHold",
						"CursorHoldI",
					}, {
						buffer = event.buf,
						group = highlight_augroup,
						callback = vim.lsp.buf.document_highlight,
					})

					vim.api.nvim_create_autocmd({
						"CursorMoved",
						"CursorMovedI",
					}, {
						buffer = event.buf,
						group = highlight_augroup,
						callback = vim.lsp.buf.clear_references,
					})

					vim.api.nvim_create_autocmd("LspDetach", {
						group = vim.api.nvim_create_augroup("nyanko-lsp-detach", { clear = true }),
						callback = function(detach_event)
							vim.lsp.buf.clear_references()
							vim.api.nvim_clear_autocmds({
								group = "nyanko-lsp-highlight",
								buffer = detach_event.buf,
							})
						end,
					})
				end
			end,
		})

		local capabilities = vim.lsp.protocol.make_client_capabilities()
		capabilities = vim.tbl_deep_extend("force", capabilities, require("cmp_nvim_lsp").default_capabilities())

		local servers = {
			clangd = {},
			lua_ls = {
				settings = {
					Lua = {
						completion = {
							callSnippet = "replace",
						},
					},
				},
			},
			gopls = {},
			html = {},
			cssls = {},
			eslint = {
				settings = {
					workingDirectories = { mode = "auto" },
				},
			},
			jsonls = {
				settings = {
					json = {
						schemas = {
							{
								fileMatch = { "package.json" },
								url = "https://json.schemastore.org/package.json",
							},
							{
								fileMatch = { "tsconfig*.json" },
								url = "https://json.schemastore.org/tsconfig.json",
							},
							{
								fileMatch = { ".prettierrc", ".prettierrc.json" },
								url = "https://json.schemastore.org/prettierrc.json",
							},
							{
								fileMatch = { ".eslintrc", ".eslintrc.json" },
								url = "https//json.schemastore.org/eslintrc.json",
							},
						},
					},
				},
			},
			ts_ls = {},
			tailwindcss = {
				settings = {
					tailwindCSS = {
						experimental = {
							classRegex = {
								"tw`([^`]*)",
								'tw="([^"]*)',
								'tw={"([^"}]*)',
								"tw\\.\\w+`([^`]*)",
								"tw\\(.*?\\)`([^`]*)",
								{ "clsx\\(([^)]*)\\)", "(?:'|\"|`)([^']*)(?:'|\"|`)" },
								{ "classnames\\(([^)]*)\\)", "'([^']*)'" },
								{ "cva\\(([^)]*)\\)", "[\"'`]([^\"'`]*).*?[\"'`]" },
								{ "cn\\(([^)]*)\\)", "(?:'|\"|`)([^']*)(?:'|\"|`)" },
							},
						},
					},
				},
			},
		}

		require("mason").setup()
		vim.keymap.set("n", "<leader>om", "<cmd>Mason<cr>", { desc = "[O]pen [M]ason" })

		local ensure_installed = vim.tbl_keys(servers or {})
		vim.list_extend(ensure_installed, {
			"stylua", -- used to format lua code
			"prettierd",
		})

		require("mason-tool-installer").setup({
			ensure_installed = ensure_installed,
		})

		require("mason-lspconfig").setup({
			ensure_installed = {},
			automatic_installation = false,
			handlers = {
				function(server_name)
					local server = servers[server_name] or {}

					server.capabilities = vim.tbl_deep_extend("force", {}, capabilities, server.capabilities or {})
					require("lspconfig")[server_name].setup(server)
				end,
			},
		})
	end,
}