TransformStream : Object

constructor

Constructors

new TransformStream([transformer : Transformer, [writableStrategy : QueuingStrategy, [readableStrategy : QueuingStrategy]]]) : TransformStream

Example:

const reader = new ReadableStream({
  start(controller) {
    ['a', 'b', 'c'].forEach(s => controller.enqueue(s));
    controller.close();
  }
}).pipeThrough(new TransformStream({
  transform(chunk, controller) {
    controller.enqueue(chunk.toUpperCase());
  }
})).getReader();

let result;
while (!(result = await reader.read()).done) {
  console.log(result.value);
}

Run

Results:

Instance Properties

readable : ReadableStream readonly

writable : ReadableStream readonly

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