@reactivex/ix-esnext-esm/asynciterable/operators/publish.js

The Interactive Extensions for JavaScript

import { RefCountList } from '../../iterable/operators/_refcountlist';
import { create } from '../create';
import { MemoizeAsyncBuffer } from './memoize';
class PublishedAsyncBuffer extends MemoizeAsyncBuffer {
    constructor(source) {
        super(source, new RefCountList(0));
    }
    [Symbol.asyncIterator]() {
        this._buffer.readerCount++;
        return this._getIterable(this._buffer.count)[Symbol.asyncIterator]();
    }
}
export function publish(selector) {
    return function publishOperatorFunction(source) {
        return selector
            ? create(async () => selector(publish()(source))[Symbol.asyncIterator]())
            : new PublishedAsyncBuffer(source[Symbol.asyncIterator]());
    };
}

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