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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::error::AnyError;use deno_core::unsync::spawn;use tokio_util::sync::CancellationToken;use tower_lsp::LspService;use tower_lsp::Server;
use crate::lsp::language_server::LanguageServer;pub use repl::ReplCompletionItem;pub use repl::ReplLanguageServer;
use self::diagnostics::should_send_diagnostic_batch_index_notifications;
mod analysis;mod cache;mod capabilities;mod client;mod code_lens;mod completions;mod config;mod diagnostics;mod documents;mod jsr_resolver;pub mod language_server;mod logging;mod lsp_custom;mod npm;mod parent_process_checker;mod path_to_regex;mod performance;mod refactor;mod registries;mod repl;mod semantic_tokens;mod testing;mod text;mod tsc;mod urls;
pub async fn start() -> Result<(), AnyError> {  let stdin = tokio::io::stdin();  let stdout = tokio::io::stdout();
  let token = CancellationToken::new();  let builder = LspService::build(|client| {    language_server::LanguageServer::new(      client::Client::from_tower(client),      token.clone(),    )  })  .custom_method(    lsp_custom::PERFORMANCE_REQUEST,    LanguageServer::performance_request,  )  .custom_method(lsp_custom::TASK_REQUEST, LanguageServer::task_definitions)  // TODO(nayeemrmn): Rename this to `deno/taskDefinitions` in vscode_deno and  // remove this alias.  .custom_method("deno/task", LanguageServer::task_definitions)  .custom_method(testing::TEST_RUN_REQUEST, LanguageServer::test_run_request)  .custom_method(    testing::TEST_RUN_CANCEL_REQUEST,    LanguageServer::test_run_cancel_request,  )  .custom_method(    lsp_custom::VIRTUAL_TEXT_DOCUMENT,    LanguageServer::virtual_text_document,  );
  let builder = if should_send_diagnostic_batch_index_notifications() {    builder.custom_method(      lsp_custom::LATEST_DIAGNOSTIC_BATCH_INDEX,      LanguageServer::latest_diagnostic_batch_index_request,    )  } else {    builder  };
  let (service, socket) = builder.finish();
  // TODO(nayeemrmn): This cancellation token is a workaround for  // https://github.com/denoland/deno/issues/20700. Remove when  // https://github.com/ebkalderon/tower-lsp/issues/399 is fixed.  // Force end the server 8 seconds after receiving a shutdown request.  tokio::select! {    biased;    _ = Server::new(stdin, stdout, socket).serve(service) => {}    _ = spawn(async move {      token.cancelled().await;      tokio::time::sleep(std::time::Duration::from_secs(8)).await;    }) => {}  }
  Ok(())}