bufferWhen.js
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"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
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 extendStatics(d, b);
}
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 Subscription_1 = require("../Subscription");
var innerSubscribe_1 = require("../innerSubscribe");
function bufferWhen(closingSelector) {
return function (source) {
return source.lift(new BufferWhenOperator(closingSelector));
};
}
exports.bufferWhen = bufferWhen;
var BufferWhenOperator = (function () {
function BufferWhenOperator(closingSelector) {
this.closingSelector = closingSelector;
}
BufferWhenOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new BufferWhenSubscriber(subscriber, this.closingSelector));
};
return BufferWhenOperator;
}());
var BufferWhenSubscriber = (function (_super) {
__extends(BufferWhenSubscriber, _super);
function BufferWhenSubscriber(destination, closingSelector) {
var _this = _super.call(this, destination) || this;
_this.closingSelector = closingSelector;
_this.subscribing = false;
_this.openBuffer();
return _this;
}
BufferWhenSubscriber.prototype._next = function (value) {
this.buffer.push(value);
};
BufferWhenSubscriber.prototype._complete = function () {
var buffer = this.buffer;
if (buffer) {
this.destination.next(buffer);
}
_super.prototype._complete.call(this);
};
BufferWhenSubscriber.prototype._unsubscribe = function () {
this.buffer = undefined;
this.subscribing = false;
};
BufferWhenSubscriber.prototype.notifyNext = function () {
this.openBuffer();
};
BufferWhenSubscriber.prototype.notifyComplete = function () {
if (this.subscribing) {
this.complete();
}
else {
this.openBuffer();
}
};
BufferWhenSubscriber.prototype.openBuffer = function () {
var closingSubscription = this.closingSubscription;
if (closingSubscription) {
this.remove(closingSubscription);
closingSubscription.unsubscribe();
}
var buffer = this.buffer;
if (this.buffer) {
this.destination.next(buffer);
}
this.buffer = [];
var closingNotifier;
try {
var closingSelector = this.closingSelector;
closingNotifier = closingSelector();
}
catch (err) {
return this.error(err);
}
closingSubscription = new Subscription_1.Subscription();
this.closingSubscription = closingSubscription;
this.add(closingSubscription);
this.subscribing = true;
closingSubscription.add(innerSubscribe_1.innerSubscribe(closingNotifier, new innerSubscribe_1.SimpleInnerSubscriber(this)));
this.subscribing = false;
};
return BufferWhenSubscriber;
}(innerSubscribe_1.SimpleOuterSubscriber));
//# sourceMappingURL=bufferWhen.js.map