wishthis/node_modules/rxjs/_esm2015/internal/observable/pairs.js
2022-01-21 09:28:41 +01:00

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1.3 KiB
JavaScript

import { Observable } from '../Observable';
import { Subscription } from '../Subscription';
export function pairs(obj, scheduler) {
if (!scheduler) {
return new Observable(subscriber => {
const keys = Object.keys(obj);
for (let i = 0; i < keys.length && !subscriber.closed; i++) {
const key = keys[i];
if (obj.hasOwnProperty(key)) {
subscriber.next([key, obj[key]]);
}
}
subscriber.complete();
});
}
else {
return new Observable(subscriber => {
const keys = Object.keys(obj);
const subscription = new Subscription();
subscription.add(scheduler.schedule(dispatch, 0, { keys, index: 0, subscriber, subscription, obj }));
return subscription;
});
}
}
export function dispatch(state) {
const { keys, index, subscriber, subscription, obj } = state;
if (!subscriber.closed) {
if (index < keys.length) {
const key = keys[index];
subscriber.next([key, obj[key]]);
subscription.add(this.schedule({ keys, index: index + 1, subscriber, subscription, obj }));
}
else {
subscriber.complete();
}
}
}
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