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

The Interactive Extensions for JavaScript

import { IterableX } from '../iterablex';
export class TapIterable extends IterableX {
    constructor(source, observer) {
        super();
        this._source = source;
        this._observer = observer;
    }
    *[Symbol.iterator]() {
        const it = this._source[Symbol.iterator]();
        while (1) {
            let next;
            try {
                next = it.next();
                if (next.done) {
                    break;
                }
            }
            catch (e) {
                if (this._observer.error) {
                    this._observer.error(e);
                }
                throw e;
            }
            if (this._observer.next) {
                this._observer.next(next.value);
            }
            yield next.value;
        }
        if (this._observer.complete) {
            this._observer.complete();
        }
    }
}
export function tap(observer) {
    return function tapOperatorFunction(source) {
        return new TapIterable(source, observer);
    };
}

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