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x/deno/cli/mainrt.rs

A modern runtime for JavaScript and TypeScript.
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// Allow unused code warnings because we share// code between the two bin targets.#![allow(dead_code)]#![allow(unused_imports)]
mod standalone;
mod args;mod auth_tokens;mod cache;mod emit;mod errors;mod file_fetcher;mod http_util;mod js;mod node;mod npm;mod resolver;mod util;mod version;mod worker;
use deno_core::error::generic_error;use deno_core::error::AnyError;use deno_core::error::JsError;use deno_runtime::fmt_errors::format_js_error;use deno_runtime::tokio_util::create_and_run_current_thread_with_maybe_metrics;pub use deno_runtime::UNSTABLE_GRANULAR_FLAGS;use deno_terminal::colors;
use std::env;use std::env::current_exe;
use crate::args::Flags;
pub(crate) fn unstable_exit_cb(feature: &str, api_name: &str) { eprintln!( "Unstable API '{api_name}'. The `--unstable-{}` flag must be provided.", feature ); std::process::exit(70);}
fn exit_with_message(message: &str, code: i32) -> ! { eprintln!( "{}: {}", colors::red_bold("error"), message.trim_start_matches("error: ") ); std::process::exit(code);}
fn unwrap_or_exit<T>(result: Result<T, AnyError>) -> T { match result { Ok(value) => value, Err(error) => { let mut error_string = format!("{error:?}");
if let Some(e) = error.downcast_ref::<JsError>() { error_string = format_js_error(e); }
exit_with_message(&error_string, 1); } }}
fn main() { let args: Vec<String> = env::args().collect(); let future = async move { let current_exe_path = current_exe().unwrap(); match standalone::extract_standalone(&current_exe_path, args).await { Ok(Some((metadata, eszip))) => standalone::run(eszip, metadata).await, Ok(None) => Err(generic_error("No archive found.")), Err(err) => Err(err), } };
unwrap_or_exit(create_and_run_current_thread_with_maybe_metrics(future));}