mirror of
https://github.com/denoland/deno.git
synced 2024-10-29 08:58:01 -04:00
300 lines
9 KiB
Rust
300 lines
9 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 deno_std;
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mod emit;
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mod errors;
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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 proc_state;
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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::proc_state::ProcState;
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use crate::resolver::CliResolver;
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use crate::util::display;
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use args::CliOptions;
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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::v8_set_flags;
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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::run_local;
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use std::env;
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use std::iter::once;
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use std::path::PathBuf;
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fn init_v8_flags(v8_flags: &[String]) {
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let v8_flags_includes_help = v8_flags
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.iter()
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.any(|flag| flag == "-help" || flag == "--help");
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// Keep in sync with `standalone.rs`.
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let v8_flags = once("UNUSED_BUT_NECESSARY_ARG0".to_owned())
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.chain(v8_flags.iter().cloned())
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.collect::<Vec<_>>();
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let unrecognized_v8_flags = v8_set_flags(v8_flags)
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.into_iter()
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.skip(1)
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.collect::<Vec<_>>();
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if !unrecognized_v8_flags.is_empty() {
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for f in unrecognized_v8_flags {
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eprintln!("error: V8 did not recognize flag '{}'", f);
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}
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eprintln!("\nFor a list of V8 flags, use '--v8-flags=--help'");
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std::process::exit(1);
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}
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if v8_flags_includes_help {
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std::process::exit(0);
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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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match flags.subcommand.clone() {
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DenoSubcommand::Bench(bench_flags) => {
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let cli_options = CliOptions::from_flags(flags)?;
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let bench_options = cli_options.resolve_bench_options(bench_flags)?;
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if cli_options.watch_paths().is_some() {
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tools::bench::run_benchmarks_with_watch(cli_options, bench_options)
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.await?;
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} else {
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tools::bench::run_benchmarks(cli_options, bench_options).await?;
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}
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Ok(0)
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}
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DenoSubcommand::Bundle(bundle_flags) => {
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tools::bundle::bundle(flags, bundle_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Doc(doc_flags) => {
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tools::doc::print_docs(flags, doc_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Eval(eval_flags) => {
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tools::run::eval_command(flags, eval_flags).await
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}
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DenoSubcommand::Cache(cache_flags) => {
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let ps = ProcState::build(flags).await?;
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ps.load_and_type_check_files(&cache_flags.files).await?;
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ps.cache_module_emits()?;
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Ok(0)
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}
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DenoSubcommand::Check(check_flags) => {
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let ps = ProcState::build(flags).await?;
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ps.load_and_type_check_files(&check_flags.files).await?;
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Ok(0)
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}
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DenoSubcommand::Compile(compile_flags) => {
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tools::standalone::compile(flags, compile_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Coverage(coverage_flags) => {
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tools::coverage::cover_files(flags, coverage_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Fmt(fmt_flags) => {
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let cli_options = CliOptions::from_flags(flags)?;
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let fmt_options = cli_options.resolve_fmt_options(fmt_flags)?;
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tools::fmt::format(cli_options, fmt_options).await?;
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Ok(0)
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}
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DenoSubcommand::Init(init_flags) => {
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tools::init::init_project(init_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Info(info_flags) => {
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tools::info::info(flags, info_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Install(install_flags) => {
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tools::installer::install_command(flags, install_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Uninstall(uninstall_flags) => {
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tools::installer::uninstall(uninstall_flags.name, uninstall_flags.root)?;
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Ok(0)
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}
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DenoSubcommand::Lsp => {
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lsp::start().await?;
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Ok(0)
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}
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DenoSubcommand::Lint(lint_flags) => {
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if lint_flags.rules {
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tools::lint::print_rules_list(lint_flags.json);
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} else {
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let cli_options = CliOptions::from_flags(flags)?;
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let lint_options = cli_options.resolve_lint_options(lint_flags)?;
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tools::lint::lint(cli_options, lint_options).await?;
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}
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Ok(0)
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}
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DenoSubcommand::Repl(repl_flags) => {
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tools::repl::run(flags, repl_flags).await
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}
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DenoSubcommand::Run(run_flags) => {
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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) => {
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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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if let Some(ref coverage_dir) = 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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let cli_options = CliOptions::from_flags(flags)?;
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let test_options = cli_options.resolve_test_options(test_flags)?;
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if cli_options.watch_paths().is_some() {
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tools::test::run_tests_with_watch(cli_options, test_options).await?;
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} else {
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tools::test::run_tests(cli_options, test_options).await?;
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}
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Ok(0)
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}
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DenoSubcommand::Completions(completions_flags) => {
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display::write_to_stdout_ignore_sigpipe(&completions_flags.buf)?;
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Ok(0)
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}
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DenoSubcommand::Types => {
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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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Ok(0)
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}
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DenoSubcommand::Upgrade(upgrade_flags) => {
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tools::upgrade::upgrade(flags, upgrade_flags).await?;
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Ok(0)
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}
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DenoSubcommand::Vendor(vendor_flags) => {
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tools::vendor::vendor(flags, vendor_flags).await?;
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Ok(0)
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}
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}
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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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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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let future = async move {
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let standalone_res =
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match standalone::extract_standalone(args.clone()).await {
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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::ErrorKind::DisplayHelp
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|| err.kind() == clap::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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if !flags.v8_flags.is_empty() {
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init_v8_flags(&flags.v8_flags);
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}
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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 = unwrap_or_exit(run_local(future));
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std::process::exit(exit_code);
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}
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