deno_simple_runtime 0.73.2

// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.

pub fn create_basic_runtime() -> tokio::runtime::Runtime {
    tokio::runtime::Builder::new_current_thread()
        .enable_io()
        .enable_time()
        // This limits the number of threads for blocking operations (like for
        // synchronous fs ops) or CPU bound tasks like when we run dprint in
        // parallel for deno fmt.
        // The default value is 512, which is an unhelpfully large thread pool. We
        // don't ever want to have more than a couple dozen threads.
        .max_blocking_threads(32)
        .build()
        .unwrap()
}

pub fn run_local<F, R>(future: F) -> R
where
    F: std::future::Future<Output = R>,
{
    let rt = create_basic_runtime();
    let local = tokio::task::LocalSet::new();
    local.block_on(&rt, future)
}