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

The Interactive Extensions for JavaScript

import { AsyncIterableX } from '../asynciterablex';
import { wrapWithAbort } from './withabort';
import { throwIfAborted } from '../../aborterror';
export class SkipAsyncIterable extends AsyncIterableX {
    constructor(source, count) {
        super();
        this._source = source;
        this._count = count;
    }
    async *[Symbol.asyncIterator](signal) {
        throwIfAborted(signal);
        const source = wrapWithAbort(this._source, signal);
        const it = source[Symbol.asyncIterator]();
        let count = this._count;
        let next;
        while (count > 0 && !(next = await it.next()).done) {
            count--;
        }
        if (count <= 0) {
            while (!(next = await it.next()).done) {
                yield next.value;
            }
        }
    }
}
/**
 * Bypasses a specified number of elements in an async-iterable sequence and then returns the remaining elements.
 *
 * @export
 * @template TSource The type of the elements in the source sequence.
 * @param {number} count The number of elements to skip before returning the remaining elements.
 * @returns {MonoTypeOperatorAsyncFunction<TSource>} An async-iterable sequence that contains the elements that
 * occur after the specified index in the input sequence.
 */
export function skip(count) {
    return function skipOperatorFunction(source) {
        return new SkipAsyncIterable(source, count);
    };
}

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