deno.land / x / deno@v1.28.2 / cli / main.rs
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mod args;mod auth_tokens;mod cache;mod cdp;mod checksum;mod deno_dir;mod deno_std;mod diagnostics;mod diff;mod display;mod emit;mod errors;mod file_fetcher;mod file_watcher;mod fs_util;mod graph_util;mod http_cache;mod http_util;mod js;mod lockfile;mod logger;mod lsp;mod module_loader;mod napi;mod node;mod npm;mod ops;mod proc_state;mod progress_bar;mod resolver;mod standalone;mod text_encoding;mod tools;mod tsc;mod unix_util;mod version;mod windows_util;mod worker;
use crate::args::flags_from_vec;use crate::args::BenchFlags;use crate::args::BundleFlags;use crate::args::CacheFlags;use crate::args::CheckFlags;use crate::args::CompileFlags;use crate::args::CompletionsFlags;use crate::args::CoverageFlags;use crate::args::DenoSubcommand;use crate::args::DocFlags;use crate::args::EvalFlags;use crate::args::Flags;use crate::args::FmtFlags;use crate::args::InfoFlags;use crate::args::InitFlags;use crate::args::InstallFlags;use crate::args::LintFlags;use crate::args::ReplFlags;use crate::args::RunFlags;use crate::args::TaskFlags;use crate::args::TestFlags;use crate::args::TypeCheckMode;use crate::args::UninstallFlags;use crate::args::UpgradeFlags;use crate::args::VendorFlags;use crate::cache::TypeCheckCache;use crate::emit::TsConfigType;use crate::file_fetcher::File;use crate::file_watcher::ResolutionResult;use crate::graph_util::graph_lock_or_exit;use crate::proc_state::ProcState;use crate::resolver::CliResolver;use crate::tools::check;
use args::CliOptions;use deno_ast::MediaType;use deno_core::anyhow::bail;use deno_core::error::generic_error;use deno_core::error::AnyError;use deno_core::error::JsError;use deno_core::futures::future::FutureExt;use deno_core::futures::Future;use deno_core::parking_lot::RwLock;use deno_core::resolve_url_or_path;use deno_core::v8_set_flags;use deno_core::ModuleSpecifier;use deno_runtime::colors;use deno_runtime::fmt_errors::format_js_error;use deno_runtime::permissions::Permissions;use deno_runtime::tokio_util::run_local;use graph_util::GraphData;use log::debug;use log::info;use npm::NpmPackageReference;use std::env;use std::io::Read;use std::iter::once;use std::path::PathBuf;use std::pin::Pin;use std::sync::Arc;use worker::create_main_worker;
pub fn get_types(unstable: bool) -> String { let mut types = vec![ tsc::DENO_NS_LIB, tsc::DENO_CONSOLE_LIB, tsc::DENO_URL_LIB, tsc::DENO_WEB_LIB, tsc::DENO_FETCH_LIB, tsc::DENO_WEBGPU_LIB, tsc::DENO_WEBSOCKET_LIB, tsc::DENO_WEBSTORAGE_LIB, tsc::DENO_CRYPTO_LIB, tsc::DENO_BROADCAST_CHANNEL_LIB, tsc::DENO_NET_LIB, tsc::SHARED_GLOBALS_LIB, tsc::DENO_CACHE_LIB, tsc::WINDOW_LIB, ];
if unstable { types.push(tsc::UNSTABLE_NS_LIB); }
types.join("\n")}
async fn compile_command( flags: Flags, compile_flags: CompileFlags,) -> Result<i32, AnyError> { let debug = flags.log_level == Some(log::Level::Debug);
let run_flags = tools::standalone::compile_to_runtime_flags( &flags, compile_flags.args.clone(), )?;
let module_specifier = resolve_url_or_path(&compile_flags.source_file)?; let ps = ProcState::build(flags).await?; let deno_dir = &ps.dir;
let output_path = tools::standalone::resolve_compile_executable_output_path(&compile_flags)?;
let graph = Arc::try_unwrap( create_graph_and_maybe_check(module_specifier.clone(), &ps, debug).await?, ) .map_err(|_| { generic_error("There should only be one reference to ModuleGraph") })?;
// at the moment, we don't support npm specifiers in deno_compile, so show an error error_for_any_npm_specifier(&graph)?;
graph.valid().unwrap();
let parser = ps.parsed_source_cache.as_capturing_parser(); let eszip = eszip::EszipV2::from_graph(graph, &parser, Default::default())?;
info!( "{} {}", colors::green("Compile"), module_specifier.to_string() );
// Select base binary based on target let original_binary = tools::standalone::get_base_binary(deno_dir, compile_flags.target.clone()) .await?;
let final_bin = tools::standalone::create_standalone_binary( original_binary, eszip, module_specifier.clone(), run_flags, ps, ) .await?;
info!("{} {}", colors::green("Emit"), output_path.display());
tools::standalone::write_standalone_binary(output_path, final_bin).await?;
Ok(0)}
async fn init_command( _flags: Flags, init_flags: InitFlags,) -> Result<i32, AnyError> { tools::init::init_project(init_flags).await?; Ok(0)}
async fn info_command( flags: Flags, info_flags: InfoFlags,) -> Result<i32, AnyError> { tools::info::info(flags, info_flags).await?; Ok(0)}
async fn install_command( flags: Flags, install_flags: InstallFlags,) -> Result<i32, AnyError> { let ps = ProcState::build(flags.clone()).await?; // ensure the module is cached load_and_type_check(&ps, &[install_flags.module_url.clone()]).await?; tools::installer::install(flags, install_flags)?; Ok(0)}
async fn uninstall_command( uninstall_flags: UninstallFlags,) -> Result<i32, AnyError> { tools::installer::uninstall(uninstall_flags.name, uninstall_flags.root)?; Ok(0)}
async fn lsp_command() -> Result<i32, AnyError> { lsp::start().await?; Ok(0)}
async fn lint_command( flags: Flags, lint_flags: LintFlags,) -> Result<i32, AnyError> { if lint_flags.rules { tools::lint::print_rules_list(lint_flags.json); return Ok(0); }
tools::lint::lint(flags, lint_flags).await?; Ok(0)}
async fn cache_command( flags: Flags, cache_flags: CacheFlags,) -> Result<i32, AnyError> { let ps = ProcState::build(flags).await?; load_and_type_check(&ps, &cache_flags.files).await?; ps.cache_module_emits()?; Ok(0)}
async fn check_command( flags: Flags, check_flags: CheckFlags,) -> Result<i32, AnyError> { let ps = ProcState::build(flags).await?; load_and_type_check(&ps, &check_flags.files).await?; Ok(0)}
async fn load_and_type_check( ps: &ProcState, files: &[String],) -> Result<(), AnyError> { let lib = ps.options.ts_type_lib_window();
let specifiers = files .iter() .map(|file| resolve_url_or_path(file)) .collect::<Result<Vec<_>, _>>()?; ps.prepare_module_load( specifiers, false, lib, Permissions::allow_all(), Permissions::allow_all(), false, ) .await?;
Ok(())}
async fn eval_command( flags: Flags, eval_flags: EvalFlags,) -> Result<i32, AnyError> { // deno_graph works off of extensions for local files to determine the media // type, and so our "fake" specifier needs to have the proper extension. let main_module = resolve_url_or_path(&format!("./$deno$eval.{}", eval_flags.ext))?; let permissions = Permissions::from_options(&flags.permissions_options())?; let ps = ProcState::build(flags).await?; let mut worker = create_main_worker(&ps, main_module.clone(), permissions).await?; // Create a dummy source file. let source_code = if eval_flags.print { format!("console.log({})", eval_flags.code) } else { eval_flags.code } .into_bytes();
let file = File { local: main_module.clone().to_file_path().unwrap(), maybe_types: None, media_type: MediaType::Unknown, source: String::from_utf8(source_code)?.into(), specifier: main_module.clone(), maybe_headers: None, };
// Save our fake file into file fetcher cache // to allow module access by TS compiler. ps.file_fetcher.insert_cached(file); let exit_code = worker.run().await?; Ok(exit_code)}
async fn create_graph_and_maybe_check( root: ModuleSpecifier, ps: &ProcState, debug: bool,) -> Result<Arc<deno_graph::ModuleGraph>, AnyError> { let mut cache = cache::FetchCacher::new( ps.emit_cache.clone(), ps.file_fetcher.clone(), Permissions::allow_all(), Permissions::allow_all(), ); let maybe_locker = lockfile::as_maybe_locker(ps.lockfile.clone()); let maybe_imports = ps.options.to_maybe_imports()?; let maybe_cli_resolver = CliResolver::maybe_new( ps.options.to_maybe_jsx_import_source_config(), ps.maybe_import_map.clone(), ); let maybe_graph_resolver = maybe_cli_resolver.as_ref().map(|r| r.as_graph_resolver()); let analyzer = ps.parsed_source_cache.as_analyzer(); let graph = Arc::new( deno_graph::create_graph( vec![(root, deno_graph::ModuleKind::Esm)], &mut cache, deno_graph::GraphOptions { is_dynamic: false, imports: maybe_imports, resolver: maybe_graph_resolver, locker: maybe_locker, module_analyzer: Some(&*analyzer), reporter: None, }, ) .await, );
let check_js = ps.options.check_js(); let mut graph_data = GraphData::default(); graph_data.add_graph(&graph, false); graph_data .check( &graph.roots, ps.options.type_check_mode() != TypeCheckMode::None, check_js, ) .unwrap()?; ps.npm_resolver .add_package_reqs(graph_data.npm_package_reqs().clone()) .await?; graph_lock_or_exit(&graph);
if ps.options.type_check_mode() != TypeCheckMode::None { let ts_config_result = ps.options.resolve_ts_config_for_emit(TsConfigType::Check { lib: ps.options.ts_type_lib_window(), })?; if let Some(ignored_options) = ts_config_result.maybe_ignored_options { eprintln!("{}", ignored_options); } let maybe_config_specifier = ps.options.maybe_config_file_specifier(); let cache = TypeCheckCache::new(&ps.dir.type_checking_cache_db_file_path()); let check_result = check::check( &graph.roots, Arc::new(RwLock::new(graph_data)), &cache, ps.npm_resolver.clone(), check::CheckOptions { type_check_mode: ps.options.type_check_mode(), debug, maybe_config_specifier, ts_config: ts_config_result.ts_config, log_checks: true, reload: ps.options.reload_flag(), }, )?; debug!("{}", check_result.stats); if !check_result.diagnostics.is_empty() { return Err(check_result.diagnostics.into()); } }
Ok(graph)}
fn bundle_module_graph( graph: &deno_graph::ModuleGraph, ps: &ProcState,) -> Result<deno_emit::BundleEmit, AnyError> { info!("{} {}", colors::green("Bundle"), graph.roots[0].0);
let ts_config_result = ps .options .resolve_ts_config_for_emit(TsConfigType::Bundle)?; if ps.options.type_check_mode() == TypeCheckMode::None { if let Some(ignored_options) = ts_config_result.maybe_ignored_options { eprintln!("{}", ignored_options); } }
deno_emit::bundle_graph( graph, deno_emit::BundleOptions { bundle_type: deno_emit::BundleType::Module, emit_options: ts_config_result.ts_config.into(), emit_ignore_directives: true, }, )}
async fn bundle_command( flags: Flags, bundle_flags: BundleFlags,) -> Result<i32, AnyError> { let debug = flags.log_level == Some(log::Level::Debug); let cli_options = Arc::new(CliOptions::from_flags(flags)?); let resolver = |_| { let cli_options = cli_options.clone(); let source_file1 = bundle_flags.source_file.clone(); let source_file2 = bundle_flags.source_file.clone(); async move { let module_specifier = resolve_url_or_path(&source_file1)?;
debug!(">>>>> bundle START"); let ps = ProcState::from_options(cli_options).await?; let graph = create_graph_and_maybe_check(module_specifier, &ps, debug).await?;
let mut paths_to_watch: Vec<PathBuf> = graph .specifiers() .iter() .filter_map(|(_, r)| { r.as_ref().ok().and_then(|(s, _, _)| s.to_file_path().ok()) }) .collect();
if let Ok(Some(import_map_path)) = ps .options .resolve_import_map_specifier() .map(|ms| ms.and_then(|ref s| s.to_file_path().ok())) { paths_to_watch.push(import_map_path); }
Ok((paths_to_watch, graph, ps)) } .map(move |result| match result { Ok((paths_to_watch, graph, ps)) => ResolutionResult::Restart { paths_to_watch, result: Ok((ps, graph)), }, Err(e) => ResolutionResult::Restart { paths_to_watch: vec![PathBuf::from(source_file2)], result: Err(e), }, }) };
let operation = |(ps, graph): (ProcState, Arc<deno_graph::ModuleGraph>)| { let out_file = bundle_flags.out_file.clone(); async move { // at the moment, we don't support npm specifiers in deno bundle, so show an error error_for_any_npm_specifier(&graph)?;
let bundle_output = bundle_module_graph(graph.as_ref(), &ps)?; debug!(">>>>> bundle END");
if let Some(out_file) = out_file.as_ref() { let output_bytes = bundle_output.code.as_bytes(); let output_len = output_bytes.len(); fs_util::write_file(out_file, output_bytes, 0o644)?; info!( "{} {:?} ({})", colors::green("Emit"), out_file, colors::gray(display::human_size(output_len as f64)) ); if let Some(bundle_map) = bundle_output.maybe_map { let map_bytes = bundle_map.as_bytes(); let map_len = map_bytes.len(); let ext = if let Some(curr_ext) = out_file.extension() { format!("{}.map", curr_ext.to_string_lossy()) } else { "map".to_string() }; let map_out_file = out_file.with_extension(ext); fs_util::write_file(&map_out_file, map_bytes, 0o644)?; info!( "{} {:?} ({})", colors::green("Emit"), map_out_file, colors::gray(display::human_size(map_len as f64)) ); } } else { println!("{}", bundle_output.code); }
Ok(()) } };
if cli_options.watch_paths().is_some() { file_watcher::watch_func( resolver, operation, file_watcher::PrintConfig { job_name: "Bundle".to_string(), clear_screen: !cli_options.no_clear_screen(), }, ) .await?; } else { let module_graph = if let ResolutionResult::Restart { result, .. } = resolver(None).await { result? } else { unreachable!(); }; operation(module_graph).await?; }
Ok(0)}
fn error_for_any_npm_specifier( graph: &deno_graph::ModuleGraph,) -> Result<(), AnyError> { let first_npm_specifier = graph .specifiers() .values() .filter_map(|r| match r { Ok((specifier, kind, _)) if *kind == deno_graph::ModuleKind::External => { Some(specifier.clone()) } _ => None, }) .next(); if let Some(npm_specifier) = first_npm_specifier { bail!("npm specifiers have not yet been implemented for this sub command (https://github.com/denoland/deno/issues/15960). Found: {}", npm_specifier) } else { Ok(()) }}
async fn doc_command( flags: Flags, doc_flags: DocFlags,) -> Result<i32, AnyError> { tools::doc::print_docs(flags, doc_flags).await?; Ok(0)}
async fn format_command( flags: Flags, fmt_flags: FmtFlags,) -> Result<i32, AnyError> { let config = CliOptions::from_flags(flags)?;
if fmt_flags.files.len() == 1 && fmt_flags.files[0].to_string_lossy() == "-" { let maybe_fmt_config = config.to_fmt_config()?; tools::fmt::format_stdin( fmt_flags, maybe_fmt_config.map(|c| c.options).unwrap_or_default(), )?; return Ok(0); }
tools::fmt::format(&config, fmt_flags).await?; Ok(0)}
async fn repl_command( flags: Flags, repl_flags: ReplFlags,) -> Result<i32, AnyError> { let main_module = resolve_url_or_path("./$deno$repl.ts").unwrap(); let ps = ProcState::build(flags).await?; let mut worker = create_main_worker( &ps, main_module.clone(), Permissions::from_options(&ps.options.permissions_options())?, ) .await?; worker.setup_repl().await?; tools::repl::run( &ps, worker.into_main_worker(), repl_flags.eval_files, repl_flags.eval, ) .await}
async fn run_from_stdin(flags: Flags) -> Result<i32, AnyError> { let ps = ProcState::build(flags).await?; let main_module = resolve_url_or_path("./$deno$stdin.ts").unwrap(); let mut worker = create_main_worker( &ps.clone(), main_module.clone(), Permissions::from_options(&ps.options.permissions_options())?, ) .await?;
let mut source = Vec::new(); std::io::stdin().read_to_end(&mut source)?; // Create a dummy source file. let source_file = File { local: main_module.clone().to_file_path().unwrap(), maybe_types: None, media_type: MediaType::TypeScript, source: String::from_utf8(source)?.into(), specifier: main_module.clone(), maybe_headers: None, }; // Save our fake file into file fetcher cache // to allow module access by TS compiler ps.file_fetcher.insert_cached(source_file);
let exit_code = worker.run().await?; Ok(exit_code)}
// TODO(bartlomieju): this function is not handling `exit_code` set by the runtime// code properly.async fn run_with_watch(flags: Flags, script: String) -> Result<i32, AnyError> { let flags = Arc::new(flags); let main_module = resolve_url_or_path(&script)?; let (sender, receiver) = tokio::sync::mpsc::unbounded_channel();
let operation = |(sender, main_module): ( tokio::sync::mpsc::UnboundedSender<Vec<PathBuf>>, ModuleSpecifier, )| { let flags = flags.clone(); let permissions = Permissions::from_options(&flags.permissions_options())?; Ok(async move { let ps = ProcState::build_for_file_watcher((*flags).clone(), sender.clone()) .await?; let worker = create_main_worker(&ps, main_module.clone(), permissions).await?; worker.run_for_watcher().await?;
Ok(()) }) };
file_watcher::watch_func2( receiver, operation, (sender, main_module), file_watcher::PrintConfig { job_name: "Process".to_string(), clear_screen: !flags.no_clear_screen, }, ) .await?;
Ok(0)}
async fn run_command( flags: Flags, run_flags: RunFlags,) -> Result<i32, AnyError> { // Read script content from stdin if run_flags.is_stdin() { return run_from_stdin(flags).await; }
if !flags.has_permission() && flags.has_permission_in_argv() { log::warn!( "{}", crate::colors::yellow( r#"Permission flags have likely been incorrectly set after the script argument.To grant permissions, set them before the script argument. For example: deno run --allow-read=. main.js"# ) ); }
if flags.watch.is_some() { return run_with_watch(flags, run_flags.script).await; }
// TODO(bartlomieju): actually I think it will also fail if there's an import // map specified and bare specifier is used on the command line - this should // probably call `ProcState::resolve` instead let ps = ProcState::build(flags).await?;
// Run a background task that checks for available upgrades. If an earlier // run of this background task found a new version of Deno. tools::upgrade::check_for_upgrades(ps.dir.root.clone());
let main_module = if NpmPackageReference::from_str(&run_flags.script).is_ok() { ModuleSpecifier::parse(&run_flags.script)? } else { resolve_url_or_path(&run_flags.script)? }; let permissions = Permissions::from_options(&ps.options.permissions_options())?; let mut worker = create_main_worker(&ps, main_module.clone(), permissions).await?;
let exit_code = worker.run().await?; Ok(exit_code)}
async fn task_command( flags: Flags, task_flags: TaskFlags,) -> Result<i32, AnyError> { tools::task::execute_script(flags, task_flags).await}
async fn coverage_command( flags: Flags, coverage_flags: CoverageFlags,) -> Result<i32, AnyError> { if coverage_flags.files.is_empty() { return Err(generic_error("No matching coverage profiles found")); }
tools::coverage::cover_files(flags, coverage_flags).await?; Ok(0)}
async fn bench_command( flags: Flags, bench_flags: BenchFlags,) -> Result<i32, AnyError> { if flags.watch.is_some() { tools::bench::run_benchmarks_with_watch(flags, bench_flags).await?; } else { tools::bench::run_benchmarks(flags, bench_flags).await?; }
Ok(0)}
async fn test_command( flags: Flags, test_flags: TestFlags,) -> Result<i32, AnyError> { if let Some(ref coverage_dir) = flags.coverage_dir { std::fs::create_dir_all(coverage_dir)?; env::set_var( "DENO_UNSTABLE_COVERAGE_DIR", PathBuf::from(coverage_dir).canonicalize()?, ); }
if flags.watch.is_some() { tools::test::run_tests_with_watch(flags, test_flags).await?; } else { tools::test::run_tests(flags, test_flags).await?; }
Ok(0)}
async fn completions_command( _flags: Flags, completions_flags: CompletionsFlags,) -> Result<i32, AnyError> { display::write_to_stdout_ignore_sigpipe(&completions_flags.buf)?; Ok(0)}
async fn types_command(flags: Flags) -> Result<i32, AnyError> { let types = get_types(flags.unstable); display::write_to_stdout_ignore_sigpipe(types.as_bytes())?; Ok(0)}
async fn upgrade_command( _flags: Flags, upgrade_flags: UpgradeFlags,) -> Result<i32, AnyError> { tools::upgrade::upgrade(upgrade_flags).await?; Ok(0)}
async fn vendor_command( flags: Flags, vendor_flags: VendorFlags,) -> Result<i32, AnyError> { tools::vendor::vendor(flags, vendor_flags).await?; Ok(0)}
fn init_v8_flags(v8_flags: &[String]) { let v8_flags_includes_help = v8_flags .iter() .any(|flag| flag == "-help" || flag == "--help"); // Keep in sync with `standalone.rs`. let v8_flags = once("UNUSED_BUT_NECESSARY_ARG0".to_owned()) .chain(v8_flags.iter().cloned()) .collect::<Vec<_>>(); let unrecognized_v8_flags = v8_set_flags(v8_flags) .into_iter() .skip(1) .collect::<Vec<_>>(); if !unrecognized_v8_flags.is_empty() { for f in unrecognized_v8_flags { eprintln!("error: V8 did not recognize flag '{}'", f); } eprintln!("\nFor a list of V8 flags, use '--v8-flags=--help'"); std::process::exit(1); } if v8_flags_includes_help { std::process::exit(0); }}
fn get_subcommand( flags: Flags,) -> Pin<Box<dyn Future<Output = Result<i32, AnyError>>>> { match flags.subcommand.clone() { DenoSubcommand::Bench(bench_flags) => { bench_command(flags, bench_flags).boxed_local() } DenoSubcommand::Bundle(bundle_flags) => { bundle_command(flags, bundle_flags).boxed_local() } DenoSubcommand::Doc(doc_flags) => { doc_command(flags, doc_flags).boxed_local() } DenoSubcommand::Eval(eval_flags) => { eval_command(flags, eval_flags).boxed_local() } DenoSubcommand::Cache(cache_flags) => { cache_command(flags, cache_flags).boxed_local() } DenoSubcommand::Check(check_flags) => { check_command(flags, check_flags).boxed_local() } DenoSubcommand::Compile(compile_flags) => { compile_command(flags, compile_flags).boxed_local() } DenoSubcommand::Coverage(coverage_flags) => { coverage_command(flags, coverage_flags).boxed_local() } DenoSubcommand::Fmt(fmt_flags) => { format_command(flags, fmt_flags).boxed_local() } DenoSubcommand::Init(init_flags) => { init_command(flags, init_flags).boxed_local() } DenoSubcommand::Info(info_flags) => { info_command(flags, info_flags).boxed_local() } DenoSubcommand::Install(install_flags) => { install_command(flags, install_flags).boxed_local() } DenoSubcommand::Uninstall(uninstall_flags) => { uninstall_command(uninstall_flags).boxed_local() } DenoSubcommand::Lsp => lsp_command().boxed_local(), DenoSubcommand::Lint(lint_flags) => { lint_command(flags, lint_flags).boxed_local() } DenoSubcommand::Repl(repl_flags) => { repl_command(flags, repl_flags).boxed_local() } DenoSubcommand::Run(run_flags) => { run_command(flags, run_flags).boxed_local() } DenoSubcommand::Task(task_flags) => { task_command(flags, task_flags).boxed_local() } DenoSubcommand::Test(test_flags) => { test_command(flags, test_flags).boxed_local() } DenoSubcommand::Completions(completions_flags) => { completions_command(flags, completions_flags).boxed_local() } DenoSubcommand::Types => types_command(flags).boxed_local(), DenoSubcommand::Upgrade(upgrade_flags) => { upgrade_command(flags, upgrade_flags).boxed_local() } DenoSubcommand::Vendor(vendor_flags) => { vendor_command(flags, vendor_flags).boxed_local() } }}
fn setup_panic_hook() { // This function does two things inside of the panic hook: // - Tokio does not exit the process when a task panics, so we define a custom // panic hook to implement this behaviour. // - We print a message to stderr to indicate that this is a bug in Deno, and // should be reported to us. let orig_hook = std::panic::take_hook(); std::panic::set_hook(Box::new(move |panic_info| { eprintln!("\n============================================================"); eprintln!("Deno has panicked. This is a bug in Deno. Please report this"); eprintln!("at https://github.com/denoland/deno/issues/new."); eprintln!("If you can reliably reproduce this panic, include the"); eprintln!("reproduction steps and re-run with the RUST_BACKTRACE=1 env"); eprintln!("var set and include the backtrace in your report."); eprintln!(); eprintln!("Platform: {} {}", env::consts::OS, env::consts::ARCH); eprintln!("Version: {}", version::deno()); eprintln!("Args: {:?}", env::args().collect::<Vec<_>>()); eprintln!(); orig_hook(panic_info); std::process::exit(1); }));}
fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T { match result { Ok(value) => value, Err(error) => { let mut error_string = format!("{:?}", error); let mut error_code = 1;
if let Some(e) = error.downcast_ref::<JsError>() { error_string = format_js_error(e); } else if let Some(e) = error.downcast_ref::<lockfile::LockfileError>() { error_string = e.to_string(); error_code = 10; }
eprintln!( "{}: {}", colors::red_bold("error"), error_string.trim_start_matches("error: ") ); std::process::exit(error_code); } }}
pub fn main() { setup_panic_hook();
unix_util::raise_fd_limit(); windows_util::ensure_stdio_open(); #[cfg(windows)] colors::enable_ansi(); // For Windows 10
let args: Vec<String> = env::args().collect();
let exit_code = async move { let standalone_res = match standalone::extract_standalone(args.clone()).await { Ok(Some((metadata, eszip))) => standalone::run(eszip, metadata).await, Ok(None) => Ok(()), Err(err) => Err(err), }; // TODO(bartlomieju): doesn't handle exit code set by the runtime properly unwrap_or_exit(standalone_res);
let flags = match flags_from_vec(args) { Ok(flags) => flags, Err(err @ clap::Error { .. }) if err.kind() == clap::ErrorKind::DisplayHelp || err.kind() == clap::ErrorKind::DisplayVersion => { err.print().unwrap(); std::process::exit(0); } Err(err) => unwrap_or_exit(Err(AnyError::from(err))), }; if !flags.v8_flags.is_empty() { init_v8_flags(&flags.v8_flags); }
logger::init(flags.log_level);
get_subcommand(flags).await };
let exit_code = unwrap_or_exit(run_local(exit_code));
std::process::exit(exit_code);}
Version Info