wishthis/node_modules/rxjs/internal/scheduled/scheduleIterable.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var Observable_1 = require("../Observable");
var Subscription_1 = require("../Subscription");
var iterator_1 = require("../symbol/iterator");
function scheduleIterable(input, scheduler) {
    if (!input) {
        throw new Error('Iterable cannot be null');
    }
    return new Observable_1.Observable(function (subscriber) {
        var sub = new Subscription_1.Subscription();
        var iterator;
        sub.add(function () {
            if (iterator && typeof iterator.return === 'function') {
                iterator.return();
            }
        });
        sub.add(scheduler.schedule(function () {
            iterator = input[iterator_1.iterator]();
            sub.add(scheduler.schedule(function () {
                if (subscriber.closed) {
                    return;
                }
                var value;
                var done;
                try {
                    var result = iterator.next();
                    value = result.value;
                    done = result.done;
                }
                catch (err) {
                    subscriber.error(err);
                    return;
                }
                if (done) {
                    subscriber.complete();
                }
                else {
                    subscriber.next(value);
                    this.schedule();
                }
            }));
        }));
        return sub;
    });
}
exports.scheduleIterable = scheduleIterable;
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