@reactivex/ix-es2015-cjs/asynciterable/operators/skip.js

The Interactive Extensions for JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.skip = exports.SkipAsyncIterable = void 0;
const tslib_1 = require("tslib");
const asynciterablex_js_1 = require("../asynciterablex.js");
const withabort_js_1 = require("./withabort.js");
const aborterror_js_1 = require("../../aborterror.js");
/** @ignore */
class SkipAsyncIterable extends asynciterablex_js_1.AsyncIterableX {
    constructor(source, count) {
        super();
        this._source = source;
        this._count = count;
    }
    [Symbol.asyncIterator](signal) {
        return tslib_1.__asyncGenerator(this, arguments, function* _a() {
            (0, aborterror_js_1.throwIfAborted)(signal);
            const source = (0, withabort_js_1.wrapWithAbort)(this._source, signal);
            const it = source[Symbol.asyncIterator]();
            let count = this._count;
            let next;
            while (count > 0 && !(next = yield tslib_1.__await(it.next())).done) {
                count--;
            }
            if (count <= 0) {
                while (!(next = yield tslib_1.__await(it.next())).done) {
                    yield yield tslib_1.__await(next.value);
                }
            }
        });
    }
}
exports.SkipAsyncIterable = SkipAsyncIterable;
/**
 * Bypasses a specified number of elements in an async-iterable sequence and then returns the remaining elements.
 *
 * @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.
 */
function skip(count) {
    return function skipOperatorFunction(source) {
        return new SkipAsyncIterable(source, count);
    };
}
exports.skip = skip;

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