Function closeAlgorithm

static/web-streams-polyfill-3.2.1.mjs:2335–2335

()

    let startAlgorithm = () => undefined;
    let writeAlgorithm = () => promiseResolvedWith(undefined);
    let closeAlgorithm = () => promiseResolvedWith(undefined);
    let abortAlgorithm = () => promiseResolvedWith(undefined);
    if (underlyingSink.start !== undefined) {
        startAlgorithm = () => underlyingSink.start(controller);