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Service worker: Retry ERR_HTTP2_PROTOCOL_ERROR #949

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Merged
merged 1 commit into from
Jan 17, 2024
Merged

Service worker: Retry ERR_HTTP2_PROTOCOL_ERROR #949

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16 changes: 15 additions & 1 deletion packages/playground/remote/service-worker.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,21 @@ initializeServiceWorker({
event.request,
staticAssetsDirectory
);
return fetch(request);
return fetch(request).catch((e) => {
if (e?.name === 'TypeError') {
// This could be an ERR_HTTP2_PROTOCOL_ERROR that sometimes
// happen on playground.wordpress.net. Let's add a randomized
// delay and retry once
return new Promise((resolve) => {
setTimeout(() => {
resolve(fetch(request));
}, Math.random() * 1500);
}) as Promise<Response>;
}

// Otherwise let's just re-throw the error
throw e;
});
}

// Path the block-editor.js file to ensure the site editor's iframe
Expand Down