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✏️ Editing: repeat.js Writable

import { EMPTY } from '../observable/empty';
import { operate } from '../util/lift';
import { createOperatorSubscriber } from './OperatorSubscriber';
import { innerFrom } from '../observable/innerFrom';
import { timer } from '../observable/timer';
export function repeat(countOrConfig) {
    var _a;
    var count = Infinity;
    var delay;
    if (countOrConfig != null) {
        if (typeof countOrConfig === 'object') {
            (_a = countOrConfig.count, count = _a === void 0 ? Infinity : _a, delay = countOrConfig.delay);
        }
        else {
            count = countOrConfig;
        }
    }
    return count <= 0
        ? function () { return EMPTY; }
        : operate(function (source, subscriber) {
            var soFar = 0;
            var sourceSub;
            var resubscribe = function () {
                sourceSub === null || sourceSub === void 0 ? void 0 : sourceSub.unsubscribe();
                sourceSub = null;
                if (delay != null) {
                    var notifier = typeof delay === 'number' ? timer(delay) : innerFrom(delay(soFar));
                    var notifierSubscriber_1 = createOperatorSubscriber(subscriber, function () {
                        notifierSubscriber_1.unsubscribe();
                        subscribeToSource();
                    });
                    notifier.subscribe(notifierSubscriber_1);
                }
                else {
                    subscribeToSource();
                }
            };
            var subscribeToSource = function () {
                var syncUnsub = false;
                sourceSub = source.subscribe(createOperatorSubscriber(subscriber, undefined, function () {
                    if (++soFar < count) {
                        if (sourceSub) {
                            resubscribe();
                        }
                        else {
                            syncUnsub = true;
                        }
                    }
                    else {
                        subscriber.complete();
                    }
                }));
                if (syncUnsub) {
                    resubscribe();
                }
            };
            subscribeToSource();
        });
}
//# sourceMappingURL=repeat.js.map

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