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perf(cache): compile ts to js in parallel for deno cache (#23892)

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Closes https://github.com/denoland/deno/issues/23860
This commit is contained in:
David Sherret 2024-05-20 13:49:12 -04:00 committed by GitHub
parent eb97f110db
commit c89f9f9ad1
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1 changed files with 25 additions and 13 deletions
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18
cli/emit.rs
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@ -7,6 +7,9 @@ use crate::cache::ParsedSourceCache;
use deno_ast::SourceMapOption;
use deno_ast::TranspileResult;
use deno_core::error::AnyError;
use deno_core::futures::stream::FuturesUnordered;
use deno_core::futures::FutureExt;
use deno_core::futures::StreamExt;
use deno_core::ModuleCodeString;
use deno_core::ModuleSpecifier;
use deno_graph::MediaType;
@ -48,9 +51,12 @@ impl Emitter {
&self,
graph: &ModuleGraph,
) -> Result<(), AnyError> {
// todo(dsherret): we could do this concurrently
let mut futures = FuturesUnordered::new();
for module in graph.modules() {
if let Module::Js(module) = module {
let Module::Js(module) = module else {
continue;
};
let is_emittable = matches!(
module.media_type,
MediaType::TypeScript
@ -60,16 +66,22 @@ impl Emitter {
| MediaType::Tsx
);
if is_emittable {
futures.push(
self
.emit_parsed_source(
&module.specifier,
module.media_type,
&module.source,
)
.await?;
.boxed_local(),
);
}
}
while let Some(result) = futures.next().await {
result?; // surface errors
}
Ok(())
}