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Update setTimeout() to queueMicrotask() (#7494)

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Matteo Manfredi 2023-06-27 16:16:41 +02:00 committed by GitHub
parent a82c6df25b
commit 2726098bc8
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2 changed files with 7 additions and 2 deletions
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5
.changeset/sixty-tips-play.md Normal file
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@ -0,0 +1,5 @@
---
"astro": patch
---
Replaces the instance of `setTimeout()` in the runtime to use `queueMicrotask()`, to resolve limitations on Cloudflare Workers.

4
packages/astro/src/runtime/server/render/util.ts
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@ -149,10 +149,10 @@ export function bufferIterators<T>(iterators: AsyncIterable<T>[]): AsyncIterable
const eagerIterators = iterators.map((it) => new EagerAsyncIterableIterator(it));
// once the execution of the next for loop is suspended due to an async component,
// this timeout triggers and we start buffering the other iterators
setTimeout(() => {
queueMicrotask(() => {
// buffer all iterators that haven't started yet
eagerIterators.forEach((it) => !it.isStarted() && it.buffer());
}, 0);
});
return eagerIterators;
}