v-common-v8 0.1.30

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.

pub fn create_basic_runtime() -> tokio::runtime::Runtime {
    tokio::runtime::Builder::new()
        .basic_scheduler()
        .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_threads(32)
        .build()
        .unwrap()
}

// TODO(ry) rename to run_local ?
pub fn run_basic<F, R>(future: F) -> R
where
    F: std::future::Future<Output = R>,
{
    let mut rt = create_basic_runtime();
    rt.block_on(future)
}