62 lines
No EOL
2.3 KiB
JavaScript
62 lines
No EOL
2.3 KiB
JavaScript
import { isScheduler } from '../util/isScheduler';
|
|
import { Observable } from '../Observable';
|
|
import { subscribeOn } from '../operators/subscribeOn';
|
|
import { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';
|
|
import { observeOn } from '../operators/observeOn';
|
|
import { AsyncSubject } from '../AsyncSubject';
|
|
export function bindCallbackInternals(isNodeStyle, callbackFunc, resultSelector, scheduler) {
|
|
if (resultSelector) {
|
|
if (isScheduler(resultSelector)) {
|
|
scheduler = resultSelector;
|
|
}
|
|
else {
|
|
return function (...args) {
|
|
return bindCallbackInternals(isNodeStyle, callbackFunc, scheduler)
|
|
.apply(this, args)
|
|
.pipe(mapOneOrManyArgs(resultSelector));
|
|
};
|
|
}
|
|
}
|
|
if (scheduler) {
|
|
return function (...args) {
|
|
return bindCallbackInternals(isNodeStyle, callbackFunc)
|
|
.apply(this, args)
|
|
.pipe(subscribeOn(scheduler), observeOn(scheduler));
|
|
};
|
|
}
|
|
return function (...args) {
|
|
const subject = new AsyncSubject();
|
|
let uninitialized = true;
|
|
return new Observable((subscriber) => {
|
|
const subs = subject.subscribe(subscriber);
|
|
if (uninitialized) {
|
|
uninitialized = false;
|
|
let isAsync = false;
|
|
let isComplete = false;
|
|
callbackFunc.apply(this, [
|
|
...args,
|
|
(...results) => {
|
|
if (isNodeStyle) {
|
|
const err = results.shift();
|
|
if (err != null) {
|
|
subject.error(err);
|
|
return;
|
|
}
|
|
}
|
|
subject.next(1 < results.length ? results : results[0]);
|
|
isComplete = true;
|
|
if (isAsync) {
|
|
subject.complete();
|
|
}
|
|
},
|
|
]);
|
|
if (isComplete) {
|
|
subject.complete();
|
|
}
|
|
isAsync = true;
|
|
}
|
|
return subs;
|
|
});
|
|
};
|
|
}
|
|
//# sourceMappingURL=bindCallbackInternals.js.map
|