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denoland-deno/cli/main.rs
David Sherret c2e9c8cce5
fix(compile): write bytes directly to output file (#18777)
1. Adds cli/standalone folder
2. Writes the bytes directly to the output file. When adding npm
packages this might get quite large, so let's not keep the final output
in memory just in case.
2023-04-19 21:50:56 +00:00

283 lines
8.6 KiB
Rust

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
mod args;
mod auth_tokens;
mod cache;
mod deno_std;
mod emit;
mod errors;
mod file_fetcher;
mod graph_util;
mod http_util;
mod js;
mod lsp;
mod module_loader;
mod napi;
mod node;
mod npm;
mod ops;
mod proc_state;
mod resolver;
mod standalone;
mod tools;
mod tsc;
mod util;
mod version;
mod worker;
use crate::args::flags_from_vec;
use crate::args::DenoSubcommand;
use crate::args::Flags;
use crate::proc_state::ProcState;
use crate::resolver::CliGraphResolver;
use crate::util::display;
use crate::util::v8::get_v8_flags_from_env;
use crate::util::v8::init_v8_flags;
use args::CliOptions;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_core::error::JsError;
use deno_runtime::colors;
use deno_runtime::fmt_errors::format_js_error;
use deno_runtime::tokio_util::run_local;
use std::env;
use std::env::current_exe;
use std::path::PathBuf;
async fn run_subcommand(flags: Flags) -> Result<i32, AnyError> {
match flags.subcommand.clone() {
DenoSubcommand::Bench(bench_flags) => {
let cli_options = CliOptions::from_flags(flags)?;
let bench_options = cli_options.resolve_bench_options(bench_flags)?;
if cli_options.watch_paths().is_some() {
tools::bench::run_benchmarks_with_watch(cli_options, bench_options)
.await?;
} else {
tools::bench::run_benchmarks(cli_options, bench_options).await?;
}
Ok(0)
}
DenoSubcommand::Bundle(bundle_flags) => {
tools::bundle::bundle(flags, bundle_flags).await?;
Ok(0)
}
DenoSubcommand::Doc(doc_flags) => {
tools::doc::print_docs(flags, doc_flags).await?;
Ok(0)
}
DenoSubcommand::Eval(eval_flags) => {
tools::run::eval_command(flags, eval_flags).await
}
DenoSubcommand::Cache(cache_flags) => {
let ps = ProcState::from_flags(flags).await?;
ps.module_load_preparer
.load_and_type_check_files(&cache_flags.files)
.await?;
ps.emitter.cache_module_emits(&ps.graph_container.graph())?;
Ok(0)
}
DenoSubcommand::Check(check_flags) => {
let ps = ProcState::from_flags(flags).await?;
ps.module_load_preparer
.load_and_type_check_files(&check_flags.files)
.await?;
Ok(0)
}
DenoSubcommand::Compile(compile_flags) => {
tools::standalone::compile(flags, compile_flags).await?;
Ok(0)
}
DenoSubcommand::Coverage(coverage_flags) => {
tools::coverage::cover_files(flags, coverage_flags).await?;
Ok(0)
}
DenoSubcommand::Fmt(fmt_flags) => {
let cli_options = CliOptions::from_flags(flags.clone())?;
let fmt_options = cli_options.resolve_fmt_options(fmt_flags)?;
tools::fmt::format(cli_options, fmt_options).await?;
Ok(0)
}
DenoSubcommand::Init(init_flags) => {
tools::init::init_project(init_flags).await?;
Ok(0)
}
DenoSubcommand::Info(info_flags) => {
tools::info::info(flags, info_flags).await?;
Ok(0)
}
DenoSubcommand::Install(install_flags) => {
tools::installer::install_command(flags, install_flags).await?;
Ok(0)
}
DenoSubcommand::Uninstall(uninstall_flags) => {
tools::installer::uninstall(uninstall_flags.name, uninstall_flags.root)?;
Ok(0)
}
DenoSubcommand::Lsp => {
lsp::start().await?;
Ok(0)
}
DenoSubcommand::Lint(lint_flags) => {
if lint_flags.rules {
tools::lint::print_rules_list(lint_flags.json);
} else {
let cli_options = CliOptions::from_flags(flags)?;
let lint_options = cli_options.resolve_lint_options(lint_flags)?;
tools::lint::lint(cli_options, lint_options).await?;
}
Ok(0)
}
DenoSubcommand::Repl(repl_flags) => {
tools::repl::run(flags, repl_flags).await
}
DenoSubcommand::Run(run_flags) => {
if run_flags.is_stdin() {
tools::run::run_from_stdin(flags).await
} else {
tools::run::run_script(flags).await
}
}
DenoSubcommand::Task(task_flags) => {
tools::task::execute_script(flags, task_flags).await
}
DenoSubcommand::Test(test_flags) => {
if let Some(ref coverage_dir) = flags.coverage_dir {
std::fs::create_dir_all(coverage_dir)
.with_context(|| format!("Failed creating: {coverage_dir}"))?;
// this is set in order to ensure spawned processes use the same
// coverage directory
env::set_var(
"DENO_UNSTABLE_COVERAGE_DIR",
PathBuf::from(coverage_dir).canonicalize()?,
);
}
let cli_options = CliOptions::from_flags(flags)?;
let test_options = cli_options.resolve_test_options(test_flags)?;
if cli_options.watch_paths().is_some() {
tools::test::run_tests_with_watch(cli_options, test_options).await?;
} else {
tools::test::run_tests(cli_options, test_options).await?;
}
Ok(0)
}
DenoSubcommand::Completions(completions_flags) => {
display::write_to_stdout_ignore_sigpipe(&completions_flags.buf)?;
Ok(0)
}
DenoSubcommand::Types => {
let types = tsc::get_types_declaration_file_text(flags.unstable);
display::write_to_stdout_ignore_sigpipe(types.as_bytes())?;
Ok(0)
}
DenoSubcommand::Upgrade(upgrade_flags) => {
tools::upgrade::upgrade(flags, upgrade_flags).await?;
Ok(0)
}
DenoSubcommand::Vendor(vendor_flags) => {
tools::vendor::vendor(flags, vendor_flags).await?;
Ok(0)
}
}
}
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::<args::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();
util::unix::raise_fd_limit();
util::windows::ensure_stdio_open();
#[cfg(windows)]
colors::enable_ansi(); // For Windows 10
deno_runtime::permissions::set_prompt_callbacks(
Box::new(util::draw_thread::DrawThread::hide),
Box::new(util::draw_thread::DrawThread::show),
);
let args: Vec<String> = env::args().collect();
let future = async move {
let current_exe_path = current_exe()?;
let standalone_res =
match standalone::extract_standalone(&current_exe_path, 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::error::ErrorKind::DisplayHelp
|| err.kind() == clap::error::ErrorKind::DisplayVersion =>
{
err.print().unwrap();
std::process::exit(0);
}
Err(err) => unwrap_or_exit(Err(AnyError::from(err))),
};
init_v8_flags(&flags.v8_flags, get_v8_flags_from_env());
util::logger::init(flags.log_level);
run_subcommand(flags).await
};
let exit_code = unwrap_or_exit(run_local(future));
std::process::exit(exit_code);
}