@acutmore/rxjs
Version:
Reactive Extensions for modern JavaScript
78 lines • 3.06 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var OuterSubscriber_1 = require("../OuterSubscriber");
var subscribeToResult_1 = require("..//util/subscribeToResult");
/**
* Returns an Observable that skips items emitted by the source Observable until a second Observable emits an item.
*
* <img src="./img/skipUntil.png" width="100%">
*
* @param {Observable} notifier - The second Observable that has to emit an item before the source Observable's elements begin to
* be mirrored by the resulting Observable.
* @return {Observable<T>} An Observable that skips items from the source Observable until the second Observable emits
* an item, then emits the remaining items.
* @method skipUntil
* @owner Observable
*/
function skipUntil(notifier) {
return function (source) { return source.lift(new SkipUntilOperator(notifier)); };
}
exports.skipUntil = skipUntil;
var SkipUntilOperator = /** @class */ (function () {
function SkipUntilOperator(notifier) {
this.notifier = notifier;
}
SkipUntilOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new SkipUntilSubscriber(subscriber, this.notifier));
};
return SkipUntilOperator;
}());
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var SkipUntilSubscriber = /** @class */ (function (_super) {
__extends(SkipUntilSubscriber, _super);
function SkipUntilSubscriber(destination, notifier) {
var _this = _super.call(this, destination) || this;
_this.hasValue = false;
_this.isInnerStopped = false;
_this.add(subscribeToResult_1.subscribeToResult(_this, notifier));
return _this;
}
SkipUntilSubscriber.prototype._next = function (value) {
if (this.hasValue) {
_super.prototype._next.call(this, value);
}
};
SkipUntilSubscriber.prototype._complete = function () {
if (this.isInnerStopped) {
_super.prototype._complete.call(this);
}
else {
this.unsubscribe();
}
};
SkipUntilSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
this.hasValue = true;
};
SkipUntilSubscriber.prototype.notifyComplete = function () {
this.isInnerStopped = true;
if (this.isStopped) {
_super.prototype._complete.call(this);
}
};
return SkipUntilSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
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