ByteLengthQueuingStrategy
The ByteLengthQueuingStrategy
interface of the Streams API provides a built-in byte length queuing strategy that can be used when constructing streams.
Constructor
ByteLengthQueuingStrategy()
-
Creates a new
ByteLengthQueuingStrategy
object instance.
Instance properties
ByteLengthQueuingStrategy.highWaterMark
Read only-
The total number of bytes that can be contained in the internal queue before backpressure is applied.
Instance methods
ByteLengthQueuingStrategy.size()
-
Returns the given chunk's
byteLength
property.
Examples
js
const queueingStrategy = new ByteLengthQueuingStrategy({ highWaterMark: 1024 });
const readableStream = new ReadableStream(
{
start(controller) {
// …
},
pull(controller) {
// …
},
cancel(err) {
console.log("stream error:", err);
},
},
queueingStrategy
);
const size = queueingStrategy.size(chunk);
Specifications
Specification |
---|
Streams Standard # blqs-class |
Browser compatibility
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