// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. #![deny(warnings)] #[macro_use] extern crate lazy_static; #[macro_use] extern crate log; mod ast; mod checksum; mod colors; mod coverage; mod deno_dir; mod diagnostics; mod diff; mod disk_cache; mod errors; mod file_fetcher; mod file_watcher; mod flags; mod flags_allow_net; mod fmt; mod fmt_errors; mod fs; mod http_cache; mod http_util; mod import_map; mod info; mod inspector; mod installer; mod js; mod lint; mod lockfile; mod media_type; mod metrics; mod module_graph; mod module_loader; mod ops; mod permissions; mod program_state; mod repl; mod resolve_addr; mod signal; mod source_maps; mod specifier_handler; mod test_runner; mod text_encoding; mod tokio_util; mod tsc; mod tsc_config; mod upgrade; mod version; mod worker; use crate::coverage::CoverageCollector; use crate::coverage::PrettyCoverageReporter; use crate::file_fetcher::File; use crate::file_fetcher::FileFetcher; use crate::fs as deno_fs; use crate::media_type::MediaType; use crate::permissions::Permissions; use crate::program_state::ProgramState; use crate::specifier_handler::FetchHandler; use crate::worker::MainWorker; use deno_core::error::generic_error; use deno_core::error::AnyError; use deno_core::futures::future::FutureExt; use deno_core::futures::Future; use deno_core::serde_json; use deno_core::serde_json::json; use deno_core::url::Url; use deno_core::v8_set_flags; use deno_core::ModuleSpecifier; use deno_doc as doc; use deno_doc::parser::DocFileLoader; use flags::DenoSubcommand; use flags::Flags; use import_map::ImportMap; use log::Level; use log::LevelFilter; use program_state::exit_unstable; use std::cell::RefCell; use std::env; use std::io::Read; use std::io::Write; use std::iter::once; use std::path::PathBuf; use std::pin::Pin; use std::rc::Rc; use std::sync::Arc; use upgrade::upgrade_command; fn write_to_stdout_ignore_sigpipe(bytes: &[u8]) -> Result<(), std::io::Error> { use std::io::ErrorKind; match std::io::stdout().write_all(bytes) { Ok(()) => Ok(()), Err(e) => match e.kind() { ErrorKind::BrokenPipe => Ok(()), _ => Err(e), }, } } fn write_json_to_stdout(value: &T) -> Result<(), AnyError> where T: ?Sized + serde::ser::Serialize, { let writer = std::io::BufWriter::new(std::io::stdout()); serde_json::to_writer_pretty(writer, value).map_err(AnyError::from) } fn print_cache_info( state: &Arc, json: bool, ) -> Result<(), AnyError> { let deno_dir = &state.dir.root; let modules_cache = &state.file_fetcher.get_http_cache_location(); let typescript_cache = &state.dir.gen_cache.location; if json { let output = json!({ "denoDir": deno_dir, "modulesCache": modules_cache, "typescriptCache": typescript_cache, }); write_json_to_stdout(&output) } else { println!("{} {:?}", colors::bold("DENO_DIR location:"), deno_dir); println!( "{} {:?}", colors::bold("Remote modules cache:"), modules_cache ); println!( "{} {:?}", colors::bold("TypeScript compiler cache:"), typescript_cache ); Ok(()) } } fn get_types(unstable: bool) -> String { let mut types = format!( "{}\n{}\n{}\n{}\n{}", crate::js::DENO_NS_LIB, crate::js::DENO_WEB_LIB, crate::js::DENO_FETCH_LIB, crate::js::SHARED_GLOBALS_LIB, crate::js::WINDOW_LIB, ); if unstable { types.push_str(&format!("\n{}", crate::js::UNSTABLE_NS_LIB,)); } types } async fn info_command( flags: Flags, maybe_specifier: Option, json: bool, ) -> Result<(), AnyError> { if json && !flags.unstable { exit_unstable("--json"); } let program_state = ProgramState::new(flags)?; if let Some(specifier) = maybe_specifier { let specifier = ModuleSpecifier::resolve_url_or_path(&specifier)?; let handler = Rc::new(RefCell::new(specifier_handler::FetchHandler::new( &program_state, // info accesses dynamically imported modules just for their information // so we allow access to all of them. Permissions::allow_all(), )?)); let mut builder = module_graph::GraphBuilder::new( handler, program_state.maybe_import_map.clone(), program_state.lockfile.clone(), ); builder.add(&specifier, false).await?; let graph = builder.get_graph(); let info = graph.info()?; if json { write_json_to_stdout(&json!(info))?; } else { write_to_stdout_ignore_sigpipe(info.to_string().as_bytes())?; } Ok(()) } else { // If it was just "deno info" print location of caches and exit print_cache_info(&program_state, json) } } async fn install_command( flags: Flags, module_url: String, args: Vec, name: Option, root: Option, force: bool, ) -> Result<(), AnyError> { let mut preload_flags = flags.clone(); preload_flags.inspect = None; preload_flags.inspect_brk = None; let permissions = Permissions::from_flags(&preload_flags); let program_state = ProgramState::new(preload_flags)?; let main_module = ModuleSpecifier::resolve_url_or_path(&module_url)?; let mut worker = MainWorker::new(&program_state, main_module.clone(), permissions); // First, fetch and compile the module; this step ensures that the module exists. worker.preload_module(&main_module).await?; installer::install(flags, &module_url, args, name, root, force) } async fn lint_command( flags: Flags, files: Vec, list_rules: bool, ignore: Vec, json: bool, ) -> Result<(), AnyError> { if !flags.unstable { exit_unstable("lint"); } if list_rules { lint::print_rules_list(json); return Ok(()); } lint::lint_files(files, ignore, json).await } async fn cache_command( flags: Flags, files: Vec, ) -> Result<(), AnyError> { let lib = if flags.unstable { module_graph::TypeLib::UnstableDenoWindow } else { module_graph::TypeLib::DenoWindow }; let program_state = ProgramState::new(flags)?; for file in files { let specifier = ModuleSpecifier::resolve_url_or_path(&file)?; program_state .prepare_module_load( specifier, lib.clone(), Permissions::allow_all(), false, program_state.maybe_import_map.clone(), ) .await?; } Ok(()) } async fn eval_command( flags: Flags, code: String, as_typescript: bool, print: bool, ) -> Result<(), AnyError> { // Force TypeScript compile. let main_module = ModuleSpecifier::resolve_url_or_path("./$deno$eval.ts").unwrap(); let permissions = Permissions::from_flags(&flags); let program_state = ProgramState::new(flags)?; let mut worker = MainWorker::new(&program_state, main_module.clone(), permissions); let main_module_url = main_module.as_url().to_owned(); // Create a dummy source file. let source_code = if print { format!("console.log({})", code) } else { code } .into_bytes(); let file = File { local: main_module_url.to_file_path().unwrap(), maybe_types: None, media_type: if as_typescript { MediaType::TypeScript } else { MediaType::JavaScript }, source: String::from_utf8(source_code)?, specifier: ModuleSpecifier::from(main_module_url), }; // Save our fake file into file fetcher cache // to allow module access by TS compiler. program_state.file_fetcher.insert_cached(file); debug!("main_module {}", &main_module); worker.execute_module(&main_module).await?; worker.execute("window.dispatchEvent(new Event('load'))")?; worker.run_event_loop().await?; worker.execute("window.dispatchEvent(new Event('unload'))")?; Ok(()) } async fn bundle_command( flags: Flags, source_file: String, out_file: Option, ) -> Result<(), AnyError> { let module_specifier = ModuleSpecifier::resolve_url_or_path(&source_file)?; debug!(">>>>> bundle START"); let program_state = ProgramState::new(flags.clone())?; info!( "{} {}", colors::green("Bundle"), module_specifier.to_string() ); let handler = Rc::new(RefCell::new(FetchHandler::new( &program_state, // when bundling, dynamic imports are only access for their type safety, // therefore we will allow the graph to access any module. Permissions::allow_all(), )?)); let mut builder = module_graph::GraphBuilder::new( handler, program_state.maybe_import_map.clone(), program_state.lockfile.clone(), ); builder.add(&module_specifier, false).await?; let graph = builder.get_graph(); let debug = flags.log_level == Some(log::Level::Debug); if !flags.no_check { // TODO(@kitsonk) support bundling for workers let lib = if flags.unstable { module_graph::TypeLib::UnstableDenoWindow } else { module_graph::TypeLib::DenoWindow }; let graph = graph.clone(); let result_info = graph.check(module_graph::CheckOptions { debug, emit: false, lib, maybe_config_path: flags.config_path.clone(), reload: flags.reload, })?; debug!("{}", result_info.stats); if let Some(ignored_options) = result_info.maybe_ignored_options { eprintln!("{}", ignored_options); } if !result_info.diagnostics.is_empty() { return Err(generic_error(result_info.diagnostics.to_string())); } } let (output, stats, maybe_ignored_options) = graph.bundle(module_graph::BundleOptions { debug, maybe_config_path: flags.config_path, })?; if flags.no_check && maybe_ignored_options.is_some() { let ignored_options = maybe_ignored_options.unwrap(); eprintln!("{}", ignored_options); } debug!("{}", stats); debug!(">>>>> bundle END"); if let Some(out_file_) = out_file.as_ref() { let output_bytes = output.as_bytes(); let output_len = output_bytes.len(); deno_fs::write_file(out_file_, output_bytes, 0o644)?; info!( "{} {:?} ({})", colors::green("Emit"), out_file_, colors::gray(&info::human_size(output_len as f64)) ); } else { println!("{}", output); } Ok(()) } struct DocLoader { fetcher: FileFetcher, maybe_import_map: Option, } impl DocFileLoader for DocLoader { fn resolve( &self, specifier: &str, referrer: &str, ) -> Result { let maybe_resolved = if let Some(import_map) = self.maybe_import_map.as_ref() { import_map .resolve(specifier, referrer) .map_err(|e| doc::DocError::Resolve(e.to_string()))? } else { None }; let resolved_specifier = if let Some(resolved) = maybe_resolved { resolved } else { ModuleSpecifier::resolve_import(specifier, referrer) .map_err(|e| doc::DocError::Resolve(e.to_string()))? }; Ok(resolved_specifier.to_string()) } fn load_source_code( &self, specifier: &str, ) -> Pin>>> { let fetcher = self.fetcher.clone(); let specifier = ModuleSpecifier::resolve_url_or_path(specifier) .expect("Expected valid specifier"); async move { let source_file = fetcher .fetch(&specifier, &Permissions::allow_all()) .await .map_err(|e| { doc::DocError::Io(std::io::Error::new( std::io::ErrorKind::Other, e.to_string(), )) })?; Ok(source_file.source) } .boxed_local() } } async fn doc_command( flags: Flags, source_file: Option, json: bool, maybe_filter: Option, private: bool, ) -> Result<(), AnyError> { let program_state = ProgramState::new(flags.clone())?; let source_file = source_file.unwrap_or_else(|| "--builtin".to_string()); let loader = Box::new(DocLoader { fetcher: program_state.file_fetcher.clone(), maybe_import_map: program_state.maybe_import_map.clone(), }); let doc_parser = doc::DocParser::new(loader, private); let parse_result = if source_file == "--builtin" { let syntax = ast::get_syntax(&MediaType::Dts); doc_parser.parse_source( "lib.deno.d.ts", syntax, get_types(flags.unstable).as_str(), ) } else { let path = PathBuf::from(&source_file); let media_type = MediaType::from(&path); let syntax = ast::get_syntax(&media_type); let module_specifier = ModuleSpecifier::resolve_url_or_path(&source_file).unwrap(); doc_parser .parse_with_reexports(&module_specifier.to_string(), syntax) .await }; let mut doc_nodes = match parse_result { Ok(nodes) => nodes, Err(e) => { eprintln!("{}", e); std::process::exit(1); } }; if json { write_json_to_stdout(&doc_nodes) } else { doc_nodes.retain(|doc_node| doc_node.kind != doc::DocNodeKind::Import); let details = if let Some(filter) = maybe_filter { let nodes = doc::find_nodes_by_name_recursively(doc_nodes, filter.clone()); if nodes.is_empty() { eprintln!("Node {} was not found!", filter); std::process::exit(1); } format!( "{}", doc::DocPrinter::new(&nodes, colors::use_color(), private) ) } else { format!( "{}", doc::DocPrinter::new(&doc_nodes, colors::use_color(), private) ) }; write_to_stdout_ignore_sigpipe(details.as_bytes()).map_err(AnyError::from) } } async fn run_repl(flags: Flags) -> Result<(), AnyError> { let main_module = ModuleSpecifier::resolve_url_or_path("./$deno$repl.ts").unwrap(); let permissions = Permissions::from_flags(&flags); let program_state = ProgramState::new(flags)?; let mut worker = MainWorker::new(&program_state, main_module.clone(), permissions); worker.run_event_loop().await?; repl::run(&program_state, worker).await } async fn run_from_stdin(flags: Flags) -> Result<(), AnyError> { let program_state = ProgramState::new(flags.clone())?; let permissions = Permissions::from_flags(&flags); let main_module = ModuleSpecifier::resolve_url_or_path("./$deno$stdin.ts").unwrap(); let mut worker = MainWorker::new(&program_state.clone(), main_module.clone(), permissions); let mut source = Vec::new(); std::io::stdin().read_to_end(&mut source)?; let main_module_url = main_module.as_url().to_owned(); // Create a dummy source file. let source_file = File { local: main_module_url.to_file_path().unwrap(), maybe_types: None, media_type: MediaType::TypeScript, source: String::from_utf8(source)?, specifier: main_module.clone(), }; // Save our fake file into file fetcher cache // to allow module access by TS compiler program_state.file_fetcher.insert_cached(source_file); debug!("main_module {}", main_module); worker.execute_module(&main_module).await?; worker.execute("window.dispatchEvent(new Event('load'))")?; worker.run_event_loop().await?; worker.execute("window.dispatchEvent(new Event('unload'))")?; Ok(()) } async fn run_with_watch(flags: Flags, script: String) -> Result<(), AnyError> { let main_module = ModuleSpecifier::resolve_url_or_path(&script)?; let program_state = ProgramState::new(flags.clone())?; let handler = Rc::new(RefCell::new(FetchHandler::new( &program_state, Permissions::allow_all(), )?)); let mut builder = module_graph::GraphBuilder::new( handler, program_state.maybe_import_map.clone(), program_state.lockfile.clone(), ); builder.add(&main_module, false).await?; let module_graph = builder.get_graph(); // Find all local files in graph let mut paths_to_watch: Vec = module_graph .get_modules() .iter() .filter(|specifier| specifier.as_url().scheme() == "file") .map(|specifier| specifier.as_url().to_file_path().unwrap()) .collect(); if let Some(import_map) = program_state.flags.import_map_path.clone() { paths_to_watch .push(fs::resolve_from_cwd(std::path::Path::new(&import_map)).unwrap()); } // FIXME(bartlomieju): new file watcher is created on after each restart file_watcher::watch_func(&paths_to_watch, move || { // FIXME(bartlomieju): ProgramState must be created on each restart - otherwise file fetcher // will use cached source files let gs = ProgramState::new(flags.clone()).unwrap(); let permissions = Permissions::from_flags(&flags); let main_module = main_module.clone(); async move { let mut worker = MainWorker::new(&gs, main_module.clone(), permissions); debug!("main_module {}", main_module); worker.execute_module(&main_module).await?; worker.execute("window.dispatchEvent(new Event('load'))")?; worker.run_event_loop().await?; worker.execute("window.dispatchEvent(new Event('unload'))")?; Ok(()) } .boxed_local() }) .await } async fn run_command(flags: Flags, script: String) -> Result<(), AnyError> { // Read script content from stdin if script == "-" { return run_from_stdin(flags).await; } if flags.watch { return run_with_watch(flags, script).await; } let main_module = ModuleSpecifier::resolve_url_or_path(&script)?; let program_state = ProgramState::new(flags.clone())?; let permissions = Permissions::from_flags(&flags); let mut worker = MainWorker::new(&program_state, main_module.clone(), permissions); debug!("main_module {}", main_module); worker.execute_module(&main_module).await?; worker.execute("window.dispatchEvent(new Event('load'))")?; worker.run_event_loop().await?; worker.execute("window.dispatchEvent(new Event('unload'))")?; Ok(()) } async fn test_command( flags: Flags, include: Option>, fail_fast: bool, quiet: bool, allow_none: bool, filter: Option, ) -> Result<(), AnyError> { let program_state = ProgramState::new(flags.clone())?; let permissions = Permissions::from_flags(&flags); let cwd = std::env::current_dir().expect("No current directory"); let include = include.unwrap_or_else(|| vec![".".to_string()]); let test_modules = test_runner::prepare_test_modules_urls(include, &cwd)?; if test_modules.is_empty() { println!("No matching test modules found"); if !allow_none { std::process::exit(1); } return Ok(()); } let test_file_path = cwd.join("$deno$test.ts"); let test_file_url = Url::from_file_path(&test_file_path).expect("Should be valid file url"); let test_file = test_runner::render_test_file( test_modules.clone(), fail_fast, quiet, filter, ); let main_module = ModuleSpecifier::resolve_url(&test_file_url.to_string()).unwrap(); let mut worker = MainWorker::new(&program_state, main_module.clone(), permissions); // Create a dummy source file. let source_file = File { local: test_file_url.to_file_path().unwrap(), maybe_types: None, media_type: MediaType::TypeScript, source: test_file.clone(), specifier: ModuleSpecifier::from(test_file_url.clone()), }; // Save our fake file into file fetcher cache // to allow module access by TS compiler program_state.file_fetcher.insert_cached(source_file); let mut maybe_coverage_collector = if flags.coverage { let session = worker.create_inspector_session(); let mut coverage_collector = CoverageCollector::new(session); coverage_collector.start_collecting().await?; Some(coverage_collector) } else { None }; let execute_result = worker.execute_module(&main_module).await; execute_result?; worker.execute("window.dispatchEvent(new Event('load'))")?; worker.run_event_loop().await?; worker.execute("window.dispatchEvent(new Event('unload'))")?; worker.run_event_loop().await?; if let Some(coverage_collector) = maybe_coverage_collector.as_mut() { let coverages = coverage_collector.collect().await?; coverage_collector.stop_collecting().await?; let filtered_coverages = coverage::filter_script_coverages(coverages, test_file_url, test_modules); let mut coverage_reporter = PrettyCoverageReporter::new(quiet); for coverage in filtered_coverages { coverage_reporter.visit_coverage(&coverage); } } Ok(()) } pub fn main() { #[cfg(windows)] colors::enable_ansi(); // For Windows 10 let args: Vec = env::args().collect(); let flags = flags::flags_from_vec(args); if let Some(ref v8_flags) = flags.v8_flags { let v8_flags_includes_help = v8_flags .iter() .any(|flag| flag == "-help" || flag == "--help"); let v8_flags = once("UNUSED_BUT_NECESSARY_ARG0".to_owned()) .chain(v8_flags.iter().cloned()) .collect::>(); let unrecognized_v8_flags = v8_set_flags(v8_flags) .into_iter() .skip(1) .collect::>(); 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); } } let log_level = match flags.log_level { Some(level) => level, None => Level::Info, // Default log level }; env_logger::Builder::from_env( env_logger::Env::default() .default_filter_or(log_level.to_level_filter().to_string()), ) // https://github.com/denoland/deno/issues/6641 .filter_module("rustyline", LevelFilter::Off) .format(|buf, record| { let mut target = record.target().to_string(); if let Some(line_no) = record.line() { target.push(':'); target.push_str(&line_no.to_string()); } if record.level() <= Level::Info { // Print ERROR, WARN, INFO logs as they are writeln!(buf, "{}", record.args()) } else { // Add prefix to DEBUG or TRACE logs writeln!( buf, "{} RS - {} - {}", record.level(), target, record.args() ) } }) .init(); let fut = match flags.clone().subcommand { DenoSubcommand::Bundle { source_file, out_file, } => bundle_command(flags, source_file, out_file).boxed_local(), DenoSubcommand::Doc { source_file, json, filter, private, } => doc_command(flags, source_file, json, filter, private).boxed_local(), DenoSubcommand::Eval { print, code, as_typescript, } => eval_command(flags, code, as_typescript, print).boxed_local(), DenoSubcommand::Cache { files } => { cache_command(flags, files).boxed_local() } DenoSubcommand::Fmt { check, files, ignore, } => fmt::format(files, check, ignore).boxed_local(), DenoSubcommand::Info { file, json } => { info_command(flags, file, json).boxed_local() } DenoSubcommand::Install { module_url, args, name, root, force, } => { install_command(flags, module_url, args, name, root, force).boxed_local() } DenoSubcommand::Lint { files, rules, ignore, json, } => lint_command(flags, files, rules, ignore, json).boxed_local(), DenoSubcommand::Repl => run_repl(flags).boxed_local(), DenoSubcommand::Run { script } => run_command(flags, script).boxed_local(), DenoSubcommand::Test { fail_fast, quiet, include, allow_none, filter, } => test_command(flags, include, fail_fast, quiet, allow_none, filter) .boxed_local(), DenoSubcommand::Completions { buf } => { if let Err(e) = write_to_stdout_ignore_sigpipe(&buf) { eprintln!("{}", e); std::process::exit(1); } return; } DenoSubcommand::Types => { let types = get_types(flags.unstable); if let Err(e) = write_to_stdout_ignore_sigpipe(types.as_bytes()) { eprintln!("{}", e); std::process::exit(1); } return; } DenoSubcommand::Upgrade { force, dry_run, version, output, ca_file, } => { upgrade_command(dry_run, force, version, output, ca_file).boxed_local() } }; let result = tokio_util::run_basic(fut); if let Err(err) = result { eprintln!("{}: {}", colors::red_bold("error"), err.to_string()); std::process::exit(1); } }