#![deny(warnings)]
extern crate dissimilar;
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate log;
extern crate futures;
#[macro_use]
extern crate serde_json;
extern crate clap;
extern crate deno_core;
extern crate encoding_rs;
extern crate indexmap;
#[cfg(unix)]
extern crate nix;
extern crate rand;
extern crate regex;
extern crate reqwest;
extern crate serde;
extern crate serde_derive;
extern crate tokio;
extern crate url;
mod checksum;
pub mod colors;
pub mod deno_dir;
pub mod diagnostics;
mod diff;
mod disk_cache;
pub mod errors;
mod file_fetcher;
pub mod flags;
mod flags_allow_net;
mod fmt;
pub mod fmt_errors;
mod fs;
pub mod global_state;
mod global_timer;
pub mod http_cache;
mod http_util;
mod import_map;
mod inspector;
pub mod installer;
mod js;
mod lint;
mod lockfile;
mod metrics;
mod module_graph;
pub mod msg;
mod op_fetch_asset;
pub mod ops;
pub mod permissions;
mod repl;
pub mod resolve_addr;
pub mod signal;
pub mod source_maps;
mod startup_data;
pub mod state;
mod swc_util;
mod test_runner;
mod text_encoding;
mod tokio_util;
mod tsc;
mod tsc_config;
mod upgrade;
pub mod version;
mod web_worker;
pub mod worker;
use crate::file_fetcher::map_file_extension;
use crate::file_fetcher::SourceFile;
use crate::file_fetcher::SourceFileFetcher;
use crate::file_fetcher::TextDocument;
use crate::fs as deno_fs;
use crate::global_state::GlobalState;
use crate::msg::MediaType;
use crate::permissions::Permissions;
use crate::tsc::TargetLib;
use crate::worker::MainWorker;
use deno_core::v8_set_flags;
use deno_core::Deps;
use deno_core::ErrBox;
use deno_core::EsIsolate;
use deno_core::ModuleSpecifier;
use deno_doc as doc;
use deno_doc::parser::DocFileLoader;
use flags::DenoSubcommand;
use flags::Flags;
use futures::future::FutureExt;
use futures::Future;
use log::Level;
use state::exit_unstable;
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::sync::Arc;
use upgrade::upgrade_command;
use url::Url;
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<T>(value: &T) -> Result<(), ErrBox>
where
T: ?Sized + serde::ser::Serialize,
{
let writer = std::io::BufWriter::new(std::io::stdout());
serde_json::to_writer_pretty(writer, value).map_err(ErrBox::from)
}
fn print_cache_info(
state: &Arc<GlobalState>,
json: bool,
) -> Result<(), ErrBox> {
let deno_dir = &state.dir.root;
let modules_cache = &state.file_fetcher.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(())
}
}
struct FileInfoOutput<'a> {
local: &'a str,
file_type: &'a str,
compiled: Option<String>,
map: Option<String>,
deps: Option<Deps>,
}
async fn print_file_info(
worker: &MainWorker,
module_specifier: ModuleSpecifier,
json: bool,
) -> Result<(), ErrBox> {
let global_state = worker.state.global_state.clone();
let out = global_state
.file_fetcher
.fetch_source_file(&module_specifier, None, Permissions::allow_all())
.await?;
let mut output = FileInfoOutput {
local: out.filename.to_str().unwrap(),
file_type: msg::enum_name_media_type(out.media_type),
compiled: None,
map: None,
deps: None,
};
let module_specifier_ = module_specifier.clone();
global_state
.prepare_module_load(
module_specifier_.clone(),
None,
TargetLib::Main,
Permissions::allow_all(),
false,
global_state.maybe_import_map.clone(),
)
.await?;
global_state
.clone()
.fetch_compiled_module(module_specifier_, None)
.await?;
if out.media_type == msg::MediaType::TypeScript
|| (out.media_type == msg::MediaType::JavaScript
&& global_state.ts_compiler.compile_js)
{
let compiled_source_file = global_state
.ts_compiler
.get_compiled_source_file(&out.url)
.unwrap();
output.compiled =
compiled_source_file.filename.to_str().map(|s| s.to_owned());
}
if let Ok(source_map) = global_state
.clone()
.ts_compiler
.get_source_map_file(&module_specifier)
{
output.map = source_map.filename.to_str().map(|s| s.to_owned());
}
let es_state_rc = EsIsolate::state(&worker.isolate);
let es_state = es_state_rc.borrow();
if let Some(deps) = es_state.modules.deps(&module_specifier) {
output.deps = Some(deps);
}
if json {
let output = json!({
"local": output.local,
"fileType": output.file_type,
"compiled": output.compiled,
"map": output.map,
"deps": output.deps.map(|x| x.to_json())
});
write_json_to_stdout(&output)
} else {
println!("{} {}", colors::bold("local:"), output.local);
println!("{} {}", colors::bold("type:"), output.file_type);
if let Some(compiled) = output.compiled {
println!("{} {}", colors::bold("compiled:"), compiled);
}
if let Some(map) = output.map {
println!("{} {}", colors::bold("map:"), map);
}
if let Some(deps) = output.deps {
println!("{}{}", colors::bold("deps:\n"), deps.name);
if let Some(ref depsdeps) = deps.deps {
for d in depsdeps {
println!("{}", d);
}
}
} else {
println!(
"{} cannot retrieve full dependency graph",
colors::bold("deps:"),
);
}
Ok(())
}
}
fn get_types(unstable: bool) -> String {
let mut types = format!(
"{}\n{}\n{}\n{}",
crate::js::DENO_NS_LIB,
crate::js::DENO_WEB_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,
file: Option<String>,
json: bool,
) -> Result<(), ErrBox> {
if json && !flags.unstable {
exit_unstable("--json");
}
let global_state = GlobalState::new(flags)?;
if file.is_none() {
print_cache_info(&global_state, json)
} else {
let main_module = ModuleSpecifier::resolve_url_or_path(&file.unwrap())?;
let mut worker = MainWorker::create(&global_state, main_module.clone())?;
worker.preload_module(&main_module).await?;
print_file_info(&worker, main_module.clone(), json).await
}
}
async fn install_command(
flags: Flags,
module_url: String,
args: Vec<String>,
name: Option<String>,
root: Option<PathBuf>,
force: bool,
) -> Result<(), ErrBox> {
let mut fetch_flags = flags.clone();
fetch_flags.reload = true;
let global_state = GlobalState::new(fetch_flags)?;
let main_module = ModuleSpecifier::resolve_url_or_path(&module_url)?;
let mut worker = MainWorker::create(&global_state, main_module.clone())?;
worker.preload_module(&main_module).await?;
installer::install(flags, &module_url, args, name, root, force)
.map_err(ErrBox::from)
}
async fn lint_command(
flags: Flags,
files: Vec<String>,
list_rules: bool,
ignore: Vec<String>,
json: bool,
) -> Result<(), ErrBox> {
if !flags.unstable {
exit_unstable("lint");
}
if list_rules {
lint::print_rules_list();
return Ok(());
}
lint::lint_files(files, ignore, json).await
}
async fn cache_command(flags: Flags, files: Vec<String>) -> Result<(), ErrBox> {
let main_module =
ModuleSpecifier::resolve_url_or_path("./__$deno$fetch.ts").unwrap();
let global_state = GlobalState::new(flags)?;
let mut worker = MainWorker::create(&global_state, main_module.clone())?;
for file in files {
let specifier = ModuleSpecifier::resolve_url_or_path(&file)?;
worker.preload_module(&specifier).await.map(|_| ())?;
}
Ok(())
}
async fn eval_command(
flags: Flags,
code: String,
as_typescript: bool,
print: bool,
) -> Result<(), ErrBox> {
let main_module =
ModuleSpecifier::resolve_url_or_path("./__$deno$eval.ts").unwrap();
let global_state = GlobalState::new(flags)?;
let mut worker = MainWorker::create(&global_state, main_module.clone())?;
let main_module_url = main_module.as_url().to_owned();
let source_code = if print {
format!("console.log({})", code)
} else {
code
}
.into_bytes();
let source_file = SourceFile {
filename: main_module_url.to_file_path().unwrap(),
url: main_module_url,
types_header: None,
media_type: if as_typescript {
MediaType::TypeScript
} else {
MediaType::JavaScript
},
source_code: TextDocument::new(source_code, Some("utf-8")),
};
global_state
.file_fetcher
.save_source_file_in_cache(&main_module, source_file);
debug!("main_module {}", &main_module);
worker.execute_module(&main_module).await?;
worker.execute("window.dispatchEvent(new Event('load'))")?;
(&mut *worker).await?;
worker.execute("window.dispatchEvent(new Event('unload'))")?;
Ok(())
}
async fn bundle_command(
flags: Flags,
source_file: String,
out_file: Option<PathBuf>,
) -> Result<(), ErrBox> {
let module_specifier = ModuleSpecifier::resolve_url_or_path(&source_file)?;
debug!(">>>>> bundle START");
let global_state = GlobalState::new(flags)?;
info!(
"{} {}",
colors::green("Bundle"),
module_specifier.to_string()
);
let output = global_state
.ts_compiler
.bundle(&global_state, module_specifier)
.await?;
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, 0o666)?;
info!(
"{} {:?} ({})",
colors::green("Emit"),
out_file_,
colors::gray(&human_size(output_len as f64))
);
} else {
println!("{}", output);
}
Ok(())
}
fn human_size(bytse: f64) -> String {
let negative = if bytse.is_sign_positive() { "" } else { "-" };
let bytse = bytse.abs();
let units = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
if bytse < 1_f64 {
return format!("{}{} {}", negative, bytse, "Bytes");
}
let delimiter = 1024_f64;
let exponent = std::cmp::min(
(bytse.ln() / delimiter.ln()).floor() as i32,
(units.len() - 1) as i32,
);
let pretty_bytes = format!("{:.2}", bytse / delimiter.powi(exponent))
.parse::<f64>()
.unwrap()
* 1_f64;
let unit = units[exponent as usize];
format!("{}{} {}", negative, pretty_bytes, unit)
}
#[test]
fn human_size_test() {
assert_eq!(human_size(16_f64), "16 Bytes");
assert_eq!(human_size((16 * 1024) as f64), "16 KB");
assert_eq!(human_size((16 * 1024 * 1024) as f64), "16 MB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(3.0)), "16 GB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(4.0)), "16 TB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(5.0)), "16 PB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(6.0)), "16 EB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(7.0)), "16 ZB");
assert_eq!(human_size(16_f64 * 1024_f64.powf(8.0)), "16 YB");
}
async fn doc_command(
flags: Flags,
source_file: Option<String>,
json: bool,
maybe_filter: Option<String>,
private: bool,
) -> Result<(), ErrBox> {
let global_state = GlobalState::new(flags.clone())?;
let source_file = source_file.unwrap_or_else(|| "--builtin".to_string());
impl DocFileLoader for SourceFileFetcher {
fn resolve(
&self,
specifier: &str,
referrer: &str,
) -> Result<String, doc::DocError> {
ModuleSpecifier::resolve_import(specifier, referrer)
.map(|specifier| specifier.to_string())
.map_err(|e| doc::DocError::Resolve(e.to_string()))
}
fn load_source_code(
&self,
specifier: &str,
) -> Pin<Box<dyn Future<Output = Result<String, doc::DocError>>>> {
let fetcher = self.clone();
let specifier = ModuleSpecifier::resolve_url_or_path(specifier)
.expect("Expected valid specifier");
async move {
let source_file = fetcher
.fetch_source_file(&specifier, None, Permissions::allow_all())
.await
.map_err(|e| {
doc::DocError::Io(std::io::Error::new(
std::io::ErrorKind::Other,
e.to_string(),
))
})?;
source_file.source_code.to_string().map_err(|e| {
doc::DocError::Io(std::io::Error::new(
std::io::ErrorKind::Other,
e.to_string(),
))
})
}
.boxed_local()
}
}
let loader = Box::new(global_state.file_fetcher.clone());
let doc_parser = doc::DocParser::new(loader, private);
let parse_result = if source_file == "--builtin" {
let syntax = swc_util::get_syntax_for_dts();
doc_parser.parse_source(
"lib.deno.d.ts",
syntax,
get_types(flags.unstable).as_str(),
)
} else {
let path = PathBuf::from(&source_file);
let syntax = if path.ends_with("d.ts") {
swc_util::get_syntax_for_dts()
} else {
let media_type = map_file_extension(&path);
swc_util::get_syntax_for_media_type(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(ErrBox::from)
}
}
async fn run_repl(flags: Flags) -> Result<(), ErrBox> {
let main_module =
ModuleSpecifier::resolve_url_or_path("./__$deno$repl.ts").unwrap();
let global_state = GlobalState::new(flags)?;
let mut worker = MainWorker::create(&global_state, main_module)?;
loop {
(&mut *worker).await?;
}
}
async fn run_command(flags: Flags, script: String) -> Result<(), ErrBox> {
let global_state = GlobalState::new(flags.clone())?;
let main_module = if script != "-" {
ModuleSpecifier::resolve_url_or_path(&script).unwrap()
} else {
ModuleSpecifier::resolve_url_or_path("./__$deno$stdin.ts").unwrap()
};
let mut worker =
MainWorker::create(&global_state.clone(), main_module.clone())?;
if script == "-" {
let mut source = Vec::new();
std::io::stdin().read_to_end(&mut source)?;
let main_module_url = main_module.as_url().to_owned();
let source_file = SourceFile {
filename: main_module_url.to_file_path().unwrap(),
url: main_module_url,
types_header: None,
media_type: MediaType::TypeScript,
source_code: source.into(),
};
global_state
.file_fetcher
.save_source_file_in_cache(&main_module, source_file);
};
debug!("main_module {}", main_module);
worker.execute_module(&main_module).await?;
worker.execute("window.dispatchEvent(new Event('load'))")?;
(&mut *worker).await?;
worker.execute("window.dispatchEvent(new Event('unload'))")?;
Ok(())
}
async fn test_command(
flags: Flags,
include: Option<Vec<String>>,
fail_fast: bool,
quiet: bool,
allow_none: bool,
filter: Option<String>,
) -> Result<(), ErrBox> {
let global_state = GlobalState::new(flags.clone())?;
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, fail_fast, quiet, filter);
let main_module =
ModuleSpecifier::resolve_url(&test_file_url.to_string()).unwrap();
let mut worker = MainWorker::create(&global_state, main_module.clone())?;
let source_file = SourceFile {
filename: test_file_url.to_file_path().unwrap(),
url: test_file_url,
types_header: None,
media_type: MediaType::TypeScript,
source_code: TextDocument::new(
test_file.clone().into_bytes(),
Some("utf-8"),
),
};
global_state
.file_fetcher
.save_source_file_in_cache(&main_module, source_file);
let execute_result = worker.execute_module(&main_module).await;
execute_result?;
worker.execute("window.dispatchEvent(new Event('load'))")?;
(&mut *worker).await?;
worker.execute("window.dispatchEvent(new Event('unload'))")
}
pub fn main() {
#[cfg(windows)]
colors::enable_ansi();
let args: Vec<String> = 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::<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!();
eprintln!("For 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, };
env_logger::Builder::from_env(
env_logger::Env::default()
.default_filter_or(log_level.to_level_filter().to_string()),
)
.format(|buf, record| {
let mut target = record.target().to_string();
if let Some(line_no) = record.line() {
target.push_str(":");
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();
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()
}
_ => unreachable!(),
};
let result = tokio_util::run_basic(fut);
if let Err(err) = result {
let msg = format!("{}: {}", colors::red_bold("error"), err.to_string(),);
eprintln!("{}", msg);
std::process::exit(1);
}
}