skip.js
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"use strict";
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Subscriber_1 = require('../Subscriber');
/**
* Returns an Observable that skips `n` items emitted by an Observable.
*
* <img src="./img/skip.png" width="100%">
*
* @param {Number} the `n` of times, items emitted by source Observable should be skipped.
* @return {Observable} an Observable that skips values emitted by the source Observable.
*
* @method skip
* @owner Observable
*/
function skip(total) {
return this.lift(new SkipOperator(total));
}
exports.skip = skip;
var SkipOperator = (function () {
function SkipOperator(total) {
this.total = total;
}
SkipOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new SkipSubscriber(subscriber, this.total));
};
return SkipOperator;
}());
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
var SkipSubscriber = (function (_super) {
__extends(SkipSubscriber, _super);
function SkipSubscriber(destination, total) {
_super.call(this, destination);
this.total = total;
this.count = 0;
}
SkipSubscriber.prototype._next = function (x) {
if (++this.count > this.total) {
this.destination.next(x);
}
};
return SkipSubscriber;
}(Subscriber_1.Subscriber));
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