bindCallbackInternals.js
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import { __read, __spreadArray } from "tslib";
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 () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return bindCallbackInternals(isNodeStyle, callbackFunc, scheduler)
.apply(this, args)
.pipe(mapOneOrManyArgs(resultSelector));
};
}
}
if (scheduler) {
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return bindCallbackInternals(isNodeStyle, callbackFunc)
.apply(this, args)
.pipe(subscribeOn(scheduler), observeOn(scheduler));
};
}
return function () {
var _this = this;
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var subject = new AsyncSubject();
var uninitialized = true;
return new Observable(function (subscriber) {
var subs = subject.subscribe(subscriber);
if (uninitialized) {
uninitialized = false;
var isAsync_1 = false;
var isComplete_1 = false;
callbackFunc.apply(_this, __spreadArray(__spreadArray([], __read(args)), [
function () {
var results = [];
for (var _i = 0; _i < arguments.length; _i++) {
results[_i] = arguments[_i];
}
if (isNodeStyle) {
var err = results.shift();
if (err != null) {
subject.error(err);
return;
}
}
subject.next(1 < results.length ? results : results[0]);
isComplete_1 = true;
if (isAsync_1) {
subject.complete();
}
},
]));
if (isComplete_1) {
subject.complete();
}
isAsync_1 = true;
}
return subs;
});
};
}
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