Streams: support ReadableStream.from() #48389

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1. MattiasBuelens commented on Jun 8, 2023

   

   MattiasBuelens

   on Jun 8, 2023

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   This is very similar to Node's Readable.from(iterable), except for Web Streams. And because both Readable and ReadableStream are async iterables and have a static from() method, there's a nice duality for converting them:

   import { Readable } from 'node:stream';
   import { ReadableStream } from 'node:stream/web';
   
   const nodeReadable = new Readable({ /* ... */ });
   const webReadableStreamFromNodeReadable = ReadableStream.from(nodeReadable);
   
   const webReadableStream = new ReadableStream({ /* ... */ });
   const nodeReadableFromWebReadableStream = Readable.from(webReadableStream);

   Also, Readable.toWeb(nodeReadable) will be equivalent to ReadableStream.from(nodeReadable) (although the former can be optimized specifically for Node streams, whereas the latter is more general).
2. marco-ippolito

   added

   web streamsIssues and PRs related to the Web Streams API.Issues and PRs related to the Web Streams API.

   feature requestIssues requesting new Node.js features.Issues requesting new Node.js features.

   on Jun 8, 2023
3. github-project-automation

   added this to Node.js feature requestson Jun 8, 2023
4. github-project-automation

   moved this to Pending Triage in Node.js feature requestson Jun 8, 2023
5. debadree25 commented on Jun 8, 2023

   

   debadree25

   on Jun 8, 2023

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   Hey! will give this a try hoping to have a PR ready soon!

   ❤️React with ❤️1Reacted by Mattias Buelens
6. nodejs-github-bot

   closed this as completedin #48395on Jul 18, 2023
7. nodejs-github-bot

   added a commit that references this issue on Jul 18, 2023

   stream: implement ReadableStream.from

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8. Ceres6

   added 2 commits that reference this issue on Aug 14, 2023

   stream: implement ReadableStream.from

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   stream: implement ReadableStream.from

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9. UlisesGascon

   added a commit that references this issue on Aug 14, 2023

   stream: implement ReadableStream.from

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10. RafaelGSS

    added a commit that references this issue on Aug 15, 2023

    stream: implement ReadableStream.from

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11. avivkeller

    moved this from Awaiting Triage to Done in Node.js feature requestson Jul 1, 2024
12. avivkeller

    removed this from Node.js feature requestson Sep 13, 2024