Created
January 16, 2022 09:55
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Test case showing read fulfillment after pipeTo shutdown
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| <!doctype html> | |
| <html> | |
| <body> | |
| <script> | |
| var abortController = new AbortController(); | |
| let i = 0; | |
| let aborted = false; | |
| var rs = new ReadableStream({ | |
| start(controller) { | |
| }, | |
| pull(controller) { | |
| console.log("pull") | |
| ctrl = controller; | |
| if (!aborted) { | |
| aborted = true; | |
| setTimeout(() => { | |
| console.log("triggering abort"); | |
| abortController.abort() | |
| }, 300); | |
| } | |
| return new Promise(resolve => { | |
| setTimeout(() => { | |
| let chunk = "testing-" + i++; | |
| console.log("enqueue", chunk) | |
| controller.enqueue(chunk) | |
| resolve(); | |
| }, 100); | |
| }) | |
| } | |
| }); | |
| var ws = new WritableStream({ | |
| write(chunk) { | |
| console.log("write", chunk); | |
| return new Promise(resolve => { | |
| setTimeout(() => { | |
| console.log("resolving write promise", chunk); | |
| resolve(); | |
| }, 500); | |
| }); | |
| } | |
| }, new CountQueuingStrategy({highWaterMark: 10})); | |
| rs.pipeTo(ws, { signal: abortController.signal, preventAbort: true, preventCancel: true }).then(() => { | |
| console.log("pipeTo resolution"); | |
| }, (error) => { | |
| console.log("pipeTo rejection", error) | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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