TransformStreamDefaultController: enqueue() method
The enqueue()
method of the TransformStreamDefaultController
interface enqueues the given chunk in the readable side of the stream.
For more information on readable streams and chunks see Using Readable Streams.
Syntax
js
enqueue(chunk)
Parameters
chunk
-
The chunk being queued. A chunk is a single piece of data. It can be any type of data, and a stream can contain chunks of different types.
Return value
None (undefined
).
Exceptions
TypeError
-
The stream is not readable. This might occur if the stream is errored via
controller.error()
, or when it is closed without its controller'scontroller.close()
method ever being called.
Examples
In this example an encoded chunk is passed to the queue using the enqueue()
method.
js
const textEncoderStream = new TransformStream({
transform(chunk, controller) {
controller.enqueue(new TextEncoder().encode(chunk));
},
flush(controller) {
controller.terminate();
},
});
Specifications
Specification |
---|
Streams Standard # ts-default-controller-enqueue |
Browser compatibility
BCD tables only load in the browser