One of the main use cases for streams right now is in service workers. Even with streams API support, though, we have a number of issues to solve to make streams work well in service workers. There are a number of places we stop to accumulate data or otherwise don't handle streams quite right. This meta bug is to track fixing these issues.
Stream support in ServiceWorkers is becoming quite important to us at Wikimedia. We recently prototyped streaming HTML composition in a ServiceWorker (see https://github.com/wikimedia/web-stream-util and https://github.com/wikimedia/node-serviceworker). First performance results in Chrome look really attractive, with reductions in time-to-useful-page especially on slow connections. To provide similar speed-ups & offline support in Firefox, we will need - a body stream returned from fetch, - stream support in caches, - the ability to construct & return a ReadableStream from a ServiceWorker.
I agree we need someone working on this, but unfortunately I don't have the bandwidth right now.
Assignee: bkelly → nobody
Status: ASSIGNED → NEW
Marking all [meta] bugs as P3.
Priority: -- → P3
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