CountQueuingStrategy()
The CountQueuingStrategy()
constructor
creates and returns a CountQueuingStrategy
object instance.
Syntax
new CountQueuingStrategy(highWaterMark)
Parameters
An object with the following property:
highWaterMark
-
The total number of chunks that can be contained in the internal queue before backpressure is applied.
Return value
An instance of the CountQueuingStrategy
object.
Exceptions
None.
Examples
const queuingStrategy = new CountQueuingStrategy({ highWaterMark: 1 });
const writableStream = new WritableStream(
{
// Implement the sink
write(chunk) {
// …
},
close() {
// …
},
abort(err) {
console.log("Sink error:", err);
},
},
queuingStrategy
);
const size = queuingStrategy.size();
Specifications
Specification |
---|
Streams Standard # ref-for-cqs-constructor① |
Browser compatibility
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