62 lines
2.3 KiB
JavaScript
62 lines
2.3 KiB
JavaScript
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import { isScheduler } from '../util/isScheduler';
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import { Observable } from '../Observable';
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import { subscribeOn } from '../operators/subscribeOn';
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import { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';
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import { observeOn } from '../operators/observeOn';
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import { AsyncSubject } from '../AsyncSubject';
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export function bindCallbackInternals(isNodeStyle, callbackFunc, resultSelector, scheduler) {
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if (resultSelector) {
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if (isScheduler(resultSelector)) {
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scheduler = resultSelector;
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}
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else {
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return function (...args) {
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return bindCallbackInternals(isNodeStyle, callbackFunc, scheduler)
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.apply(this, args)
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.pipe(mapOneOrManyArgs(resultSelector));
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};
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}
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}
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if (scheduler) {
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return function (...args) {
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return bindCallbackInternals(isNodeStyle, callbackFunc)
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.apply(this, args)
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.pipe(subscribeOn(scheduler), observeOn(scheduler));
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};
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}
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return function (...args) {
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const subject = new AsyncSubject();
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let uninitialized = true;
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return new Observable((subscriber) => {
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const subs = subject.subscribe(subscriber);
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if (uninitialized) {
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uninitialized = false;
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let isAsync = false;
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let isComplete = false;
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callbackFunc.apply(this, [
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...args,
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(...results) => {
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if (isNodeStyle) {
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const err = results.shift();
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if (err != null) {
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subject.error(err);
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return;
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}
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}
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subject.next(1 < results.length ? results : results[0]);
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isComplete = true;
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if (isAsync) {
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subject.complete();
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}
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},
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]);
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if (isComplete) {
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subject.complete();
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}
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isAsync = true;
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}
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return subs;
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});
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};
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}
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//# sourceMappingURL=bindCallbackInternals.js.map
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