@reactivex/ix-esnext-esm/iterable/operators/flatmap.js

The Interactive Extensions for JavaScript

import { IterableX } from '../iterablex';
import { bindCallback } from '../../util/bindcallback';
export class FlatMapIterable extends IterableX {
    constructor(source, fn) {
        super();
        this._source = source;
        this._fn = fn;
    }
    *[Symbol.iterator]() {
        for (const outerItem of this._source) {
            for (const innerItem of this._fn(outerItem)) {
                yield innerItem;
            }
        }
    }
}
export function flatMap(selector, thisArg) {
    return function flatMapOperatorFunction(source) {
        return new FlatMapIterable(source, bindCallback(selector, thisArg, 1));
    };
}

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