mirror of
https://github.com/denoland/deno
synced 2024-07-07 20:06:37 +00:00
3fd4b882a4
This was showing up on the flamegraph.
```
14:54 $ hyperfine -S none --warmup 25 '/tmp/deno run /tmp/empty.js' 'target/release/deno run /tmp/empty.js'
Benchmark 1: /tmp/deno run /tmp/empty.js
Time (mean ± σ): 17.2 ms ± 4.7 ms [User: 11.2 ms, System: 4.0 ms]
Range (min … max): 15.1 ms … 72.9 ms 172 runs
Warning: Statistical outliers were detected. Consider re-running this benchmark on a quiet system without any interferences from other programs. It might help to use the '--warmup' or '--prepare' options.
Benchmark 2: target/release/deno run /tmp/empty.js
Time (mean ± σ): 16.7 ms ± 1.1 ms [User: 11.1 ms, System: 4.0 ms]
Range (min … max): 15.0 ms … 20.1 ms 189 runs
Summary
'target/release/deno run /tmp/empty.js' ran
1.03 ± 0.29 times faster than '/tmp/deno run /tmp/empty.js'
✔ ~/Documents/github/deno/deno [faster_extract|…5⚑ 23]
```
88 lines
2.0 KiB
Rust
88 lines
2.0 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// Allow unused code warnings because we share
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// code between the two bin targets.
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#![allow(dead_code)]
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#![allow(unused_imports)]
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mod standalone;
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mod args;
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mod auth_tokens;
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mod cache;
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mod emit;
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mod errors;
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mod file_fetcher;
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mod http_util;
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mod js;
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mod node;
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mod npm;
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mod resolver;
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mod util;
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mod version;
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mod worker;
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use deno_core::error::generic_error;
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use deno_core::error::AnyError;
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use deno_core::error::JsError;
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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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pub use deno_runtime::UNSTABLE_GRANULAR_FLAGS;
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use deno_terminal::colors;
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use std::env;
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use std::env::current_exe;
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use crate::args::Flags;
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pub(crate) fn unstable_exit_cb(feature: &str, api_name: &str) {
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eprintln!(
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"Unstable API '{api_name}'. The `--unstable-{}` flag must be provided.",
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feature
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);
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std::process::exit(70);
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}
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fn exit_with_message(message: &str, code: i32) -> ! {
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eprintln!(
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"{}: {}",
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colors::red_bold("error"),
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message.trim_start_matches("error: ")
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);
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std::process::exit(code);
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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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if let Some(e) = error.downcast_ref::<JsError>() {
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error_string = format_js_error(e);
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}
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exit_with_message(&error_string, 1);
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}
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}
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}
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fn main() {
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let args: Vec<String> = env::args().collect();
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let current_exe_path = current_exe().unwrap();
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let standalone =
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standalone::extract_standalone(¤t_exe_path, args.clone());
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let future = async move {
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match standalone {
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Ok(Some(future)) => {
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let (metadata, eszip) = future.await?;
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standalone::run(eszip, metadata).await
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}
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Ok(None) => Ok(()),
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Err(err) => Err(err),
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}
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};
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unwrap_or_exit(create_and_run_current_thread_with_maybe_metrics(future));
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}
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