mirror of
https://github.com/denoland/deno.git
synced 2024-11-22 15:06:54 -05:00
fdb4953ea4
This commit moves all Chrome Devtools Protocol messages to `cli/cdp.rs` and refactors all places using these types to pull them from a common place. No functional changes.
385 lines
12 KiB
Rust
385 lines
12 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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mod args;
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mod auth_tokens;
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mod cache;
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mod cdp;
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mod deno_std;
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mod emit;
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mod errors;
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mod factory;
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mod file_fetcher;
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mod graph_util;
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mod http_util;
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mod js;
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mod lsp;
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mod module_loader;
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mod napi;
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mod node;
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mod npm;
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mod ops;
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mod resolver;
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mod standalone;
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mod tools;
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mod tsc;
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mod util;
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mod version;
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mod worker;
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use crate::args::flags_from_vec;
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use crate::args::DenoSubcommand;
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use crate::args::Flags;
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use crate::util::display;
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use crate::util::v8::get_v8_flags_from_env;
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use crate::util::v8::init_v8_flags;
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use deno_core::anyhow::Context;
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use deno_core::error::AnyError;
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use deno_core::error::JsError;
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use deno_core::futures::FutureExt;
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use deno_core::unsync::JoinHandle;
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use deno_runtime::colors;
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use deno_runtime::fmt_errors::format_js_error;
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use deno_runtime::tokio_util::create_and_run_current_thread_with_maybe_metrics;
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use factory::CliFactory;
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use std::env;
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use std::env::current_exe;
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use std::future::Future;
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use std::path::PathBuf;
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/// Ensures that all subcommands return an i32 exit code and an [`AnyError`] error type.
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trait SubcommandOutput {
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fn output(self) -> Result<i32, AnyError>;
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}
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impl SubcommandOutput for Result<i32, AnyError> {
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fn output(self) -> Result<i32, AnyError> {
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self
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}
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}
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impl SubcommandOutput for Result<(), AnyError> {
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fn output(self) -> Result<i32, AnyError> {
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self.map(|_| 0)
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}
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}
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impl SubcommandOutput for Result<(), std::io::Error> {
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fn output(self) -> Result<i32, AnyError> {
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self.map(|_| 0).map_err(|e| e.into())
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}
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}
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/// Ensure that the subcommand runs in a task, rather than being directly executed. Since some of these
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/// futures are very large, this prevents the stack from getting blown out from passing them by value up
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/// the callchain (especially in debug mode when Rust doesn't have a chance to elide copies!).
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#[inline(always)]
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fn spawn_subcommand<F: Future<Output = T> + 'static, T: SubcommandOutput>(
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f: F,
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) -> JoinHandle<Result<i32, AnyError>> {
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// the boxed_local() is important in order to get windows to not blow the stack in debug
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deno_core::unsync::spawn(
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async move { f.map(|r| r.output()).await }.boxed_local(),
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)
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}
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async fn run_subcommand(flags: Flags) -> Result<i32, AnyError> {
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let handle = match flags.subcommand.clone() {
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DenoSubcommand::Bench(bench_flags) => spawn_subcommand(async {
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if bench_flags.watch.is_some() {
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tools::bench::run_benchmarks_with_watch(flags, bench_flags).await
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} else {
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tools::bench::run_benchmarks(flags, bench_flags).await
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}
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}),
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DenoSubcommand::Bundle(bundle_flags) => spawn_subcommand(async {
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tools::bundle::bundle(flags, bundle_flags).await
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}),
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DenoSubcommand::Doc(doc_flags) => {
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spawn_subcommand(async { tools::doc::doc(flags, doc_flags).await })
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}
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DenoSubcommand::Eval(eval_flags) => spawn_subcommand(async {
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tools::run::eval_command(flags, eval_flags).await
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}),
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DenoSubcommand::Cache(cache_flags) => spawn_subcommand(async move {
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let factory = CliFactory::from_flags(flags).await?;
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let module_load_preparer = factory.module_load_preparer().await?;
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let emitter = factory.emitter()?;
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let graph_container = factory.graph_container();
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module_load_preparer
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.load_and_type_check_files(&cache_flags.files)
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.await?;
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emitter.cache_module_emits(&graph_container.graph())
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}),
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DenoSubcommand::Check(check_flags) => spawn_subcommand(async move {
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let factory = CliFactory::from_flags(flags).await?;
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let module_load_preparer = factory.module_load_preparer().await?;
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module_load_preparer
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.load_and_type_check_files(&check_flags.files)
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.await
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}),
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DenoSubcommand::Compile(compile_flags) => spawn_subcommand(async {
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tools::compile::compile(flags, compile_flags).await
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}),
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DenoSubcommand::Coverage(coverage_flags) => spawn_subcommand(async {
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tools::coverage::cover_files(flags, coverage_flags).await
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}),
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DenoSubcommand::Fmt(fmt_flags) => {
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spawn_subcommand(
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async move { tools::fmt::format(flags, fmt_flags).await },
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)
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}
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DenoSubcommand::Init(init_flags) => {
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spawn_subcommand(async { tools::init::init_project(init_flags).await })
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}
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DenoSubcommand::Info(info_flags) => {
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spawn_subcommand(async { tools::info::info(flags, info_flags).await })
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}
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DenoSubcommand::Install(install_flags) => spawn_subcommand(async {
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tools::installer::install_command(flags, install_flags).await
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}),
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DenoSubcommand::Jupyter(jupyter_flags) => spawn_subcommand(async {
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tools::jupyter::kernel(flags, jupyter_flags).await
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}),
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DenoSubcommand::Uninstall(uninstall_flags) => spawn_subcommand(async {
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tools::installer::uninstall(uninstall_flags.name, uninstall_flags.root)
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}),
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DenoSubcommand::Lsp => spawn_subcommand(async { lsp::start().await }),
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DenoSubcommand::Lint(lint_flags) => spawn_subcommand(async {
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if lint_flags.rules {
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tools::lint::print_rules_list(
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lint_flags.json,
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lint_flags.maybe_rules_tags,
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);
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Ok(())
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} else {
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tools::lint::lint(flags, lint_flags).await
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}
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}),
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DenoSubcommand::Repl(repl_flags) => {
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spawn_subcommand(async move { tools::repl::run(flags, repl_flags).await })
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}
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DenoSubcommand::Run(run_flags) => spawn_subcommand(async move {
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if run_flags.is_stdin() {
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tools::run::run_from_stdin(flags).await
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} else {
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tools::run::run_script(flags, run_flags).await
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}
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}),
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DenoSubcommand::Task(task_flags) => spawn_subcommand(async {
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tools::task::execute_script(flags, task_flags).await
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}),
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DenoSubcommand::Test(test_flags) => {
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spawn_subcommand(async {
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if let Some(ref coverage_dir) = test_flags.coverage_dir {
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std::fs::create_dir_all(coverage_dir)
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.with_context(|| format!("Failed creating: {coverage_dir}"))?;
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// this is set in order to ensure spawned processes use the same
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// coverage directory
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env::set_var(
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"DENO_UNSTABLE_COVERAGE_DIR",
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PathBuf::from(coverage_dir).canonicalize()?,
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);
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}
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if test_flags.watch.is_some() {
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tools::test::run_tests_with_watch(flags, test_flags).await
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} else {
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tools::test::run_tests(flags, test_flags).await
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}
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})
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}
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DenoSubcommand::Completions(completions_flags) => {
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spawn_subcommand(async move {
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display::write_to_stdout_ignore_sigpipe(&completions_flags.buf)
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})
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}
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DenoSubcommand::Types => spawn_subcommand(async move {
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let types = tsc::get_types_declaration_file_text(flags.unstable);
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display::write_to_stdout_ignore_sigpipe(types.as_bytes())
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}),
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DenoSubcommand::Upgrade(upgrade_flags) => spawn_subcommand(async {
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tools::upgrade::upgrade(flags, upgrade_flags).await
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}),
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DenoSubcommand::Vendor(vendor_flags) => spawn_subcommand(async {
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tools::vendor::vendor(flags, vendor_flags).await
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}),
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};
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handle.await?
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}
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fn setup_panic_hook() {
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// This function does two things inside of the panic hook:
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// - Tokio does not exit the process when a task panics, so we define a custom
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// panic hook to implement this behaviour.
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// - We print a message to stderr to indicate that this is a bug in Deno, and
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// should be reported to us.
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let orig_hook = std::panic::take_hook();
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std::panic::set_hook(Box::new(move |panic_info| {
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eprintln!("\n============================================================");
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eprintln!("Deno has panicked. This is a bug in Deno. Please report this");
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eprintln!("at https://github.com/denoland/deno/issues/new.");
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eprintln!("If you can reliably reproduce this panic, include the");
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eprintln!("reproduction steps and re-run with the RUST_BACKTRACE=1 env");
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eprintln!("var set and include the backtrace in your report.");
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eprintln!();
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eprintln!("Platform: {} {}", env::consts::OS, env::consts::ARCH);
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eprintln!("Version: {}", version::deno());
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eprintln!("Args: {:?}", env::args().collect::<Vec<_>>());
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eprintln!();
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orig_hook(panic_info);
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std::process::exit(1);
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}));
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}
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fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T {
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match result {
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Ok(value) => value,
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Err(error) => {
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let mut error_string = format!("{error:?}");
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let mut error_code = 1;
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if let Some(e) = error.downcast_ref::<JsError>() {
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error_string = format_js_error(e);
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} else if let Some(e) = error.downcast_ref::<args::LockfileError>() {
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error_string = e.to_string();
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error_code = 10;
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}
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eprintln!(
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"{}: {}",
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colors::red_bold("error"),
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error_string.trim_start_matches("error: ")
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);
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std::process::exit(error_code);
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}
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}
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}
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// NOTE(bartlomieju): keep IDs in sync with `runtime/90_deno_ns.js`.
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pub(crate) static UNSTABLE_GRANULAR_FLAGS: &[(
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// flag name
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&str,
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// help text
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&str,
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// id to enable it in runtime/99_main.js
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i32,
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)] = &[
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(
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deno_runtime::deno_broadcast_channel::UNSTABLE_FEATURE_NAME,
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"Enable unstable `BroadcastChannel` API",
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1,
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),
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(
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deno_runtime::deno_ffi::UNSTABLE_FEATURE_NAME,
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"Enable unstable FFI APIs",
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2,
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),
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(
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deno_runtime::deno_fs::UNSTABLE_FEATURE_NAME,
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"Enable unstable file system APIs",
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3,
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),
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(
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deno_runtime::deno_kv::UNSTABLE_FEATURE_NAME,
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"Enable unstable Key-Value store APIs",
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4,
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),
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(
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deno_runtime::deno_net::UNSTABLE_FEATURE_NAME,
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"Enable unstable net APIs",
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5,
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),
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(
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deno_runtime::ops::http::UNSTABLE_FEATURE_NAME,
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"Enable unstable HTTP APIs",
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6,
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),
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(
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deno_runtime::ops::worker_host::UNSTABLE_FEATURE_NAME,
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"Enable unstable Web Worker APIs",
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7,
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),
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(
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deno_runtime::deno_cron::UNSTABLE_FEATURE_NAME,
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"Enable unstable Deno.cron API",
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8,
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),
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];
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pub(crate) fn unstable_exit_cb(_feature: &str, api_name: &str) {
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// TODO(bartlomieju): change to "The `--unstable-{feature}` flag must be provided.".
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eprintln!("Unstable API '{api_name}'. The --unstable flag must be provided.");
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std::process::exit(70);
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}
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#[allow(dead_code)]
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pub(crate) fn unstable_warn_cb(feature: &str) {
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eprintln!(
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"The `--unstable` flag is deprecated, use --unstable-{feature} instead."
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);
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}
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pub fn main() {
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setup_panic_hook();
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util::unix::raise_fd_limit();
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util::windows::ensure_stdio_open();
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#[cfg(windows)]
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colors::enable_ansi(); // For Windows 10
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deno_runtime::permissions::set_prompt_callbacks(
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Box::new(util::draw_thread::DrawThread::hide),
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Box::new(util::draw_thread::DrawThread::show),
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);
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let args: Vec<String> = env::args().collect();
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// NOTE(lucacasonato): due to new PKU feature introduced in V8 11.6 we need to
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// initalize the V8 platform on a parent thread of all threads that will spawn
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// V8 isolates.
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let future = async move {
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let current_exe_path = current_exe()?;
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let standalone_res =
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match standalone::extract_standalone(¤t_exe_path, args.clone())
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.await
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{
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Ok(Some((metadata, eszip))) => standalone::run(eszip, metadata).await,
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Ok(None) => Ok(()),
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Err(err) => Err(err),
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};
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// TODO(bartlomieju): doesn't handle exit code set by the runtime properly
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unwrap_or_exit(standalone_res);
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let flags = match flags_from_vec(args) {
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Ok(flags) => flags,
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Err(err @ clap::Error { .. })
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if err.kind() == clap::error::ErrorKind::DisplayHelp
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|| err.kind() == clap::error::ErrorKind::DisplayVersion =>
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{
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err.print().unwrap();
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std::process::exit(0);
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}
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Err(err) => unwrap_or_exit(Err(AnyError::from(err))),
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};
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let default_v8_flags = match flags.subcommand {
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// Using same default as VSCode:
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// https://github.com/microsoft/vscode/blob/48d4ba271686e8072fc6674137415bc80d936bc7/extensions/typescript-language-features/src/configuration/configuration.ts#L213-L214
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DenoSubcommand::Lsp => vec!["--max-old-space-size=3072".to_string()],
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_ => vec![],
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};
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init_v8_flags(&default_v8_flags, &flags.v8_flags, get_v8_flags_from_env());
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deno_core::JsRuntime::init_platform(None);
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util::logger::init(flags.log_level);
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run_subcommand(flags).await
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};
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let exit_code =
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unwrap_or_exit(create_and_run_current_thread_with_maybe_metrics(future));
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std::process::exit(exit_code);
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}
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