#![deny(warnings)]
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate log;
mod ast;
mod auth_tokens;
mod checksum;
mod colors;
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_errors;
mod fs_util;
mod http_cache;
mod http_util;
mod import_map;
mod info;
mod lockfile;
mod lsp;
mod media_type;
mod module_graph;
mod module_loader;
mod ops;
mod program_state;
mod source_maps;
mod specifier_handler;
mod standalone;
mod text_encoding;
mod tokio_util;
mod tools;
mod tsc;
mod tsc_config;
mod version;
use crate::file_fetcher::File;
use crate::file_watcher::ModuleResolutionResult;
use crate::flags::DenoSubcommand;
use crate::flags::Flags;
use crate::fmt_errors::PrettyJsError;
use crate::media_type::MediaType;
use crate::module_loader::CliModuleLoader;
use crate::program_state::exit_unstable;
use crate::program_state::ProgramState;
use crate::source_maps::apply_source_map;
use crate::specifier_handler::FetchHandler;
use crate::tools::installer::infer_name_from_url;
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::resolve_url_or_path;
use deno_core::serde_json;
use deno_core::serde_json::json;
use deno_core::v8_set_flags;
use deno_core::ModuleSpecifier;
use deno_runtime::ops::worker_host::CreateWebWorkerCb;
use deno_runtime::permissions::Permissions;
use deno_runtime::web_worker::WebWorker;
use deno_runtime::web_worker::WebWorkerOptions;
use deno_runtime::worker::MainWorker;
use deno_runtime::worker::WorkerOptions;
use log::Level;
use log::LevelFilter;
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 std::sync::Mutex;
fn create_web_worker_callback(
program_state: Arc<ProgramState>,
) -> Arc<CreateWebWorkerCb> {
Arc::new(move |args| {
let global_state_ = program_state.clone();
let js_error_create_fn = Rc::new(move |core_js_error| {
let source_mapped_error =
apply_source_map(&core_js_error, global_state_.clone());
PrettyJsError::create(source_mapped_error)
});
let attach_inspector = program_state.maybe_inspector_server.is_some()
|| program_state.coverage_dir.is_some();
let maybe_inspector_server = program_state.maybe_inspector_server.clone();
let module_loader = CliModuleLoader::new_for_worker(
program_state.clone(),
args.parent_permissions.clone(),
);
let create_web_worker_cb =
create_web_worker_callback(program_state.clone());
let options = WebWorkerOptions {
args: program_state.flags.argv.clone(),
apply_source_maps: true,
debug_flag: program_state
.flags
.log_level
.map_or(false, |l| l == log::Level::Debug),
unstable: program_state.flags.unstable,
ca_data: program_state.ca_data.clone(),
user_agent: version::get_user_agent(),
seed: program_state.flags.seed,
module_loader,
create_web_worker_cb,
js_error_create_fn: Some(js_error_create_fn),
use_deno_namespace: args.use_deno_namespace,
attach_inspector,
maybe_inspector_server,
runtime_version: version::deno(),
ts_version: version::TYPESCRIPT.to_string(),
no_color: !colors::use_color(),
get_error_class_fn: Some(&crate::errors::get_error_class_name),
};
let mut worker = WebWorker::from_options(
args.name,
args.permissions,
args.main_module,
args.worker_id,
&options,
);
{
let js_runtime = &mut worker.js_runtime;
js_runtime
.op_state()
.borrow_mut()
.put::<Arc<ProgramState>>(program_state.clone());
ops::errors::init(js_runtime);
if args.use_deno_namespace {
ops::runtime_compiler::init(js_runtime);
}
}
worker.bootstrap(&options);
worker
})
}
pub fn create_main_worker(
program_state: &Arc<ProgramState>,
main_module: ModuleSpecifier,
permissions: Permissions,
) -> MainWorker {
let module_loader = CliModuleLoader::new(program_state.clone());
let global_state_ = program_state.clone();
let js_error_create_fn = Rc::new(move |core_js_error| {
let source_mapped_error =
apply_source_map(&core_js_error, global_state_.clone());
PrettyJsError::create(source_mapped_error)
});
let attach_inspector = program_state.maybe_inspector_server.is_some()
|| program_state.flags.repl
|| program_state.coverage_dir.is_some();
let maybe_inspector_server = program_state.maybe_inspector_server.clone();
let should_break_on_first_statement =
program_state.flags.inspect_brk.is_some();
let create_web_worker_cb = create_web_worker_callback(program_state.clone());
let options = WorkerOptions {
apply_source_maps: true,
args: program_state.flags.argv.clone(),
debug_flag: program_state
.flags
.log_level
.map_or(false, |l| l == log::Level::Debug),
unstable: program_state.flags.unstable,
ca_data: program_state.ca_data.clone(),
user_agent: version::get_user_agent(),
seed: program_state.flags.seed,
js_error_create_fn: Some(js_error_create_fn),
create_web_worker_cb,
attach_inspector,
maybe_inspector_server,
should_break_on_first_statement,
module_loader,
runtime_version: version::deno(),
ts_version: version::TYPESCRIPT.to_string(),
no_color: !colors::use_color(),
get_error_class_fn: Some(&crate::errors::get_error_class_name),
location: program_state.flags.location.clone(),
};
let mut worker = MainWorker::from_options(main_module, permissions, &options);
{
let js_runtime = &mut worker.js_runtime;
js_runtime
.op_state()
.borrow_mut()
.put::<Arc<ProgramState>>(program_state.clone());
ops::errors::init(js_runtime);
ops::runtime_compiler::init(js_runtime);
}
worker.bootstrap(&options);
worker
}
pub 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),
},
}
}
pub fn write_json_to_stdout<T>(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<ProgramState>,
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(())
}
}
pub fn get_types(unstable: bool) -> String {
let mut types = format!(
"{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}\n{}",
crate::tsc::DENO_NS_LIB,
crate::tsc::DENO_CONSOLE_LIB,
crate::tsc::DENO_URL_LIB,
crate::tsc::DENO_WEB_LIB,
crate::tsc::DENO_FETCH_LIB,
crate::tsc::DENO_WEBGPU_LIB,
crate::tsc::DENO_WEBSOCKET_LIB,
crate::tsc::DENO_CRYPTO_LIB,
crate::tsc::SHARED_GLOBALS_LIB,
crate::tsc::WINDOW_LIB,
);
if unstable {
types.push_str(&format!("\n{}", crate::tsc::UNSTABLE_NS_LIB,));
}
types
}
async fn compile_command(
flags: Flags,
source_file: String,
output: Option<PathBuf>,
args: Vec<String>,
target: Option<String>,
lite: bool,
) -> Result<(), AnyError> {
if !flags.unstable {
exit_unstable("compile");
}
let debug = flags.log_level == Some(log::Level::Debug);
let run_flags =
tools::standalone::compile_to_runtime_flags(flags.clone(), args)?;
let module_specifier = resolve_url_or_path(&source_file)?;
let program_state = ProgramState::build(flags.clone()).await?;
let deno_dir = &program_state.dir;
let output = output.or_else(|| {
infer_name_from_url(&module_specifier).map(PathBuf::from)
}).ok_or_else(|| generic_error(
"An executable name was not provided. One could not be inferred from the URL. Aborting.",
))?;
let module_graph = create_module_graph_and_maybe_check(
module_specifier.clone(),
program_state.clone(),
debug,
)
.await?;
info!(
"{} {}",
colors::green("Bundle"),
module_specifier.to_string()
);
let bundle_str = bundle_module_graph(module_graph, flags, debug)?;
info!(
"{} {}",
colors::green("Compile"),
module_specifier.to_string()
);
let original_binary =
tools::standalone::get_base_binary(deno_dir, target.clone(), lite).await?;
let final_bin = tools::standalone::create_standalone_binary(
original_binary,
bundle_str,
run_flags,
)?;
info!("{} {}", colors::green("Emit"), output.display());
tools::standalone::write_standalone_binary(output.clone(), target, final_bin)
.await?;
Ok(())
}
async fn info_command(
flags: Flags,
maybe_specifier: Option<String>,
json: bool,
) -> Result<(), AnyError> {
if json && !flags.unstable {
exit_unstable("--json");
}
let program_state = ProgramState::build(flags).await?;
if let Some(specifier) = maybe_specifier {
let specifier = resolve_url_or_path(&specifier)?;
let handler = Arc::new(Mutex::new(specifier_handler::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(&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())
.map_err(|err| err.into())
}
} else {
print_cache_info(&program_state, json)
}
}
async fn install_command(
flags: Flags,
module_url: String,
args: Vec<String>,
name: Option<String>,
root: Option<PathBuf>,
force: bool,
) -> Result<(), AnyError> {
let mut preload_flags = flags.clone();
preload_flags.inspect = None;
preload_flags.inspect_brk = None;
let permissions = Permissions::from_options(&preload_flags.clone().into());
let program_state = ProgramState::build(preload_flags).await?;
let main_module = resolve_url_or_path(&module_url)?;
let mut worker =
create_main_worker(&program_state, main_module.clone(), permissions);
worker.preload_module(&main_module).await?;
tools::installer::install(flags, &module_url, args, name, root, force)
}
async fn lsp_command() -> Result<(), AnyError> {
lsp::start().await
}
async fn lint_command(
flags: Flags,
files: Vec<PathBuf>,
list_rules: bool,
ignore: Vec<PathBuf>,
json: bool,
) -> Result<(), AnyError> {
if !flags.unstable {
exit_unstable("lint");
}
if list_rules {
tools::lint::print_rules_list(json);
return Ok(());
}
tools::lint::lint_files(files, ignore, json).await
}
async fn cache_command(
flags: Flags,
files: Vec<String>,
) -> Result<(), AnyError> {
let lib = if flags.unstable {
module_graph::TypeLib::UnstableDenoWindow
} else {
module_graph::TypeLib::DenoWindow
};
let program_state = ProgramState::build(flags).await?;
for file in files {
let specifier = 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,
ext: String,
print: bool,
) -> Result<(), AnyError> {
let main_module = resolve_url_or_path("./$deno$eval.ts").unwrap();
let permissions = Permissions::from_options(&flags.clone().into());
let program_state = ProgramState::build(flags).await?;
let mut worker =
create_main_worker(&program_state, main_module.clone(), permissions);
let source_code = if print {
format!("console.log({})", code)
} else {
code
}
.into_bytes();
let file = File {
local: main_module.clone().to_file_path().unwrap(),
maybe_types: None,
media_type: if ext.as_str() == "ts" {
MediaType::TypeScript
} else if ext.as_str() == "tsx" {
MediaType::TSX
} else if ext.as_str() == "js" {
MediaType::JavaScript
} else {
MediaType::JSX
},
source: String::from_utf8(source_code)?,
specifier: main_module.clone(),
};
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 create_module_graph_and_maybe_check(
module_specifier: ModuleSpecifier,
program_state: Arc<ProgramState>,
debug: bool,
) -> Result<module_graph::Graph, AnyError> {
let handler = Arc::new(Mutex::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(&module_specifier, false).await?;
let module_graph = builder.get_graph();
if !program_state.flags.no_check {
let lib = if program_state.flags.unstable {
module_graph::TypeLib::UnstableDenoWindow
} else {
module_graph::TypeLib::DenoWindow
};
let result_info =
module_graph.clone().check(module_graph::CheckOptions {
debug,
emit: false,
lib,
maybe_config_path: program_state.flags.config_path.clone(),
reload: program_state.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()));
}
}
Ok(module_graph)
}
fn bundle_module_graph(
module_graph: module_graph::Graph,
flags: Flags,
debug: bool,
) -> Result<String, AnyError> {
let (bundle, stats, maybe_ignored_options) =
module_graph.bundle(module_graph::BundleOptions {
debug,
maybe_config_path: flags.config_path,
})?;
match maybe_ignored_options {
Some(ignored_options) if flags.no_check => {
eprintln!("{}", ignored_options);
}
_ => {}
}
debug!("{}", stats);
Ok(bundle)
}
async fn bundle_command(
flags: Flags,
source_file: String,
out_file: Option<PathBuf>,
) -> Result<(), AnyError> {
let debug = flags.log_level == Some(log::Level::Debug);
let module_resolver = || {
let flags = flags.clone();
let source_file1 = source_file.clone();
let source_file2 = source_file.clone();
async move {
let module_specifier = resolve_url_or_path(&source_file1)?;
debug!(">>>>> bundle START");
let program_state = ProgramState::build(flags.clone()).await?;
info!(
"{} {}",
colors::green("Bundle"),
module_specifier.to_string()
);
let module_graph = create_module_graph_and_maybe_check(
module_specifier,
program_state.clone(),
debug,
)
.await?;
let mut paths_to_watch: Vec<PathBuf> = module_graph
.get_modules()
.iter()
.filter_map(|specifier| specifier.to_file_path().ok())
.collect();
if let Some(import_map) = program_state.flags.import_map_path.as_ref() {
paths_to_watch
.push(fs_util::resolve_from_cwd(std::path::Path::new(import_map))?);
}
Ok((paths_to_watch, module_graph))
}
.map(move |result| match result {
Ok((paths_to_watch, module_graph)) => ModuleResolutionResult::Success {
paths_to_watch,
module_info: module_graph,
},
Err(e) => ModuleResolutionResult::Fail {
source_path: PathBuf::from(source_file2),
error: e,
},
})
.boxed_local()
};
let operation = |module_graph: module_graph::Graph| {
let flags = flags.clone();
let out_file = out_file.clone();
async move {
let output = bundle_module_graph(module_graph, flags, debug)?;
debug!(">>>>> bundle END");
if let Some(out_file) = out_file.as_ref() {
let output_bytes = output.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(&info::human_size(output_len as f64))
);
} else {
println!("{}", output);
}
Ok(())
}
.boxed_local()
};
if flags.watch {
file_watcher::watch_func_with_module_resolution(
module_resolver,
operation,
"Bundle",
)
.await?;
} else {
let module_graph = match module_resolver().await {
ModuleResolutionResult::Fail { error, .. } => return Err(error),
ModuleResolutionResult::Success { module_info, .. } => module_info,
};
operation(module_graph).await?;
}
Ok(())
}
async fn doc_command(
flags: Flags,
source_file: Option<String>,
json: bool,
maybe_filter: Option<String>,
private: bool,
) -> Result<(), AnyError> {
tools::doc::print_docs(flags, source_file, json, maybe_filter, private).await
}
async fn format_command(
flags: Flags,
args: Vec<PathBuf>,
ignore: Vec<PathBuf>,
check: bool,
ext: String,
) -> Result<(), AnyError> {
if args.len() == 1 && args[0].to_string_lossy() == "-" {
return tools::fmt::format_stdin(check, ext);
}
tools::fmt::format(args, ignore, check, flags.watch).await?;
Ok(())
}
async fn run_repl(flags: Flags) -> Result<(), AnyError> {
let main_module = resolve_url_or_path("./$deno$repl.ts").unwrap();
let permissions = Permissions::from_options(&flags.clone().into());
let program_state = ProgramState::build(flags).await?;
let mut worker =
create_main_worker(&program_state, main_module.clone(), permissions);
worker.run_event_loop().await?;
tools::repl::run(&program_state, worker).await
}
async fn run_from_stdin(flags: Flags) -> Result<(), AnyError> {
let program_state = ProgramState::build(flags.clone()).await?;
let permissions = Permissions::from_options(&flags.clone().into());
let main_module = resolve_url_or_path("./$deno$stdin.ts").unwrap();
let mut worker = create_main_worker(
&program_state.clone(),
main_module.clone(),
permissions,
);
let mut source = Vec::new();
std::io::stdin().read_to_end(&mut source)?;
let source_file = File {
local: main_module.clone().to_file_path().unwrap(),
maybe_types: None,
media_type: MediaType::TypeScript,
source: String::from_utf8(source)?,
specifier: main_module.clone(),
};
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 module_resolver = || {
let script1 = script.clone();
let script2 = script.clone();
let flags = flags.clone();
async move {
let main_module = resolve_url_or_path(&script1)?;
let program_state = ProgramState::build(flags).await?;
let handler = Arc::new(Mutex::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();
let mut paths_to_watch: Vec<PathBuf> = module_graph
.get_modules()
.iter()
.filter_map(|specifier| specifier.to_file_path().ok())
.collect();
if let Some(import_map) = program_state.flags.import_map_path.as_ref() {
paths_to_watch
.push(fs_util::resolve_from_cwd(std::path::Path::new(import_map))?);
}
Ok((paths_to_watch, main_module))
}
.map(move |result| match result {
Ok((paths_to_watch, module_info)) => ModuleResolutionResult::Success {
paths_to_watch,
module_info,
},
Err(e) => ModuleResolutionResult::Fail {
source_path: PathBuf::from(script2),
error: e,
},
})
.boxed_local()
};
let operation = |main_module: ModuleSpecifier| {
let flags = flags.clone();
let permissions = Permissions::from_options(&flags.clone().into());
async move {
let main_module = main_module.clone();
let program_state = ProgramState::build(flags).await?;
let mut worker =
create_main_worker(&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(())
}
.boxed_local()
};
file_watcher::watch_func_with_module_resolution(
module_resolver,
operation,
"Process",
)
.await
}
async fn run_command(flags: Flags, script: String) -> Result<(), AnyError> {
if script == "-" {
return run_from_stdin(flags).await;
}
if flags.watch {
return run_with_watch(flags, script).await;
}
let main_module = resolve_url_or_path(&script)?;
let program_state = ProgramState::build(flags.clone()).await?;
let permissions = Permissions::from_options(&flags.clone().into());
let mut worker =
create_main_worker(&program_state, main_module.clone(), permissions);
let mut maybe_coverage_collector =
if let Some(ref coverage_dir) = program_state.coverage_dir {
let session = worker.create_inspector_session();
let coverage_dir = PathBuf::from(coverage_dir);
let mut coverage_collector =
tools::coverage::CoverageCollector::new(coverage_dir, session);
coverage_collector.start_collecting().await?;
Some(coverage_collector)
} else {
None
};
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'))")?;
if let Some(coverage_collector) = maybe_coverage_collector.as_mut() {
coverage_collector.stop_collecting().await?;
}
Ok(())
}
async fn coverage_command(
flags: Flags,
files: Vec<PathBuf>,
ignore: Vec<PathBuf>,
include: Vec<String>,
exclude: Vec<String>,
lcov: bool,
) -> Result<(), AnyError> {
if !flags.unstable {
exit_unstable("coverage");
}
if files.is_empty() {
println!("No matching coverage profiles found");
std::process::exit(1);
}
tools::coverage::cover_files(
flags.clone(),
files,
ignore,
include,
exclude,
lcov,
)
.await
}
async fn test_command(
flags: Flags,
include: Option<Vec<String>>,
no_run: bool,
fail_fast: bool,
quiet: bool,
allow_none: bool,
filter: Option<String>,
) -> Result<(), AnyError> {
let program_state = ProgramState::build(flags.clone()).await?;
let permissions = Permissions::from_options(&flags.clone().into());
let cwd = std::env::current_dir().expect("No current directory");
let include = include.unwrap_or_else(|| vec![".".to_string()]);
let test_modules =
tools::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 main_module = deno_core::resolve_path("$deno$test.ts")?;
let source_file = File {
local: main_module.to_file_path().unwrap(),
maybe_types: None,
media_type: MediaType::TypeScript,
source: tools::test_runner::render_test_file(
test_modules.clone(),
fail_fast,
quiet,
filter,
),
specifier: main_module.clone(),
};
program_state.file_fetcher.insert_cached(source_file);
if no_run {
let lib = if flags.unstable {
module_graph::TypeLib::UnstableDenoWindow
} else {
module_graph::TypeLib::DenoWindow
};
program_state
.prepare_module_load(
main_module.clone(),
lib,
Permissions::allow_all(),
false,
program_state.maybe_import_map.clone(),
)
.await?;
return Ok(());
}
let mut worker =
create_main_worker(&program_state, main_module.clone(), permissions);
if let Some(ref coverage_dir) = flags.coverage_dir {
env::set_var("DENO_UNSTABLE_COVERAGE_DIR", coverage_dir);
}
let mut maybe_coverage_collector =
if let Some(ref coverage_dir) = program_state.coverage_dir {
let session = worker.create_inspector_session();
let coverage_dir = PathBuf::from(coverage_dir);
let mut coverage_collector =
tools::coverage::CoverageCollector::new(coverage_dir, 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() {
coverage_collector.stop_collecting().await?;
}
Ok(())
}
fn init_v8_flags(v8_flags: &[String]) {
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::<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 init_logger(maybe_level: Option<Level>) {
let log_level = match maybe_level {
Some(level) => level,
None => Level::Info, };
env_logger::Builder::from_env(
env_logger::Env::default()
.default_filter_or(log_level.to_level_filter().to_string()),
)
.filter_module("rustyline", LevelFilter::Off)
.filter_module("gfx", LevelFilter::Error)
.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 {
writeln!(buf, "{}", record.args())
} else {
writeln!(
buf,
"{} RS - {} - {}",
record.level(),
target,
record.args()
)
}
})
.init();
}
fn get_subcommand(
flags: Flags,
) -> Pin<Box<dyn Future<Output = Result<(), AnyError>>>> {
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, ext } => {
eval_command(flags, code, ext, print).boxed_local()
}
DenoSubcommand::Cache { files } => {
cache_command(flags, files).boxed_local()
}
DenoSubcommand::Compile {
source_file,
output,
args,
lite,
target,
} => compile_command(flags, source_file, output, args, target, lite)
.boxed_local(),
DenoSubcommand::Coverage {
files,
ignore,
include,
exclude,
lcov,
} => coverage_command(flags, files, ignore, include, exclude, lcov)
.boxed_local(),
DenoSubcommand::Fmt {
check,
files,
ignore,
ext,
} => format_command(flags, files, ignore, check, ext).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::Lsp => lsp_command().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 {
no_run,
fail_fast,
quiet,
include,
allow_none,
filter,
} => {
test_command(flags, include, no_run, 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);
}
std::process::exit(0);
}
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);
}
std::process::exit(0);
}
DenoSubcommand::Upgrade {
force,
dry_run,
canary,
version,
output,
ca_file,
} => tools::upgrade::upgrade_command(
dry_run, force, canary, version, output, ca_file,
)
.boxed_local(),
}
}
fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T {
match result {
Ok(value) => value,
Err(error) => {
eprintln!("{}: {:?}", colors::red_bold("error"), error);
std::process::exit(1);
}
}
}
pub fn main() {
#[cfg(windows)]
colors::enable_ansi();
let args: Vec<String> = env::args().collect();
let standalone_res = match standalone::extract_standalone(args.clone()) {
Ok(Some((metadata, bundle))) => {
tokio_util::run_basic(standalone::run(bundle, metadata))
}
Ok(None) => Ok(()),
Err(err) => Err(err),
};
if let Err(err) = standalone_res {
eprintln!("{}: {}", colors::red_bold("error"), err.to_string());
std::process::exit(1);
}
let flags = match flags::flags_from_vec(args) {
Ok(flags) => flags,
Err(err @ clap::Error { .. })
if err.kind == clap::ErrorKind::HelpDisplayed
|| err.kind == clap::ErrorKind::VersionDisplayed =>
{
err.write_to(&mut std::io::stdout()).unwrap();
std::io::stdout().write_all(b"\n").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);
}
init_logger(flags.log_level);
unwrap_or_exit(tokio_util::run_basic(get_subcommand(flags)));
}