@reactivex/rxjs/dist/esm5_for_rollup/internal/util/subscribeToObservable.js

Reactive Extensions for modern JavaScript

import { observable as Symbol_observable } from '../symbol/observable';
export var subscribeToObservable = function (obj) { return function (subscriber) {
    var obs = obj[Symbol_observable]();
    if (typeof obs.subscribe !== 'function') {
        throw new TypeError('Provided object does not correctly implement Symbol.observable');
    }
    else {
        return obs.subscribe(subscriber);
    }
}; };
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