+++ /dev/null
-/** PURE_IMPORTS_START tslib,_Subscriber,_util_ArgumentOutOfRangeError PURE_IMPORTS_END */
-import * as tslib_1 from "tslib";
-import { Subscriber } from '../Subscriber';
-import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';
-export function skipLast(count) {
- return function (source) { return source.lift(new SkipLastOperator(count)); };
-}
-var SkipLastOperator = /*@__PURE__*/ (function () {
- function SkipLastOperator(_skipCount) {
- this._skipCount = _skipCount;
- if (this._skipCount < 0) {
- throw new ArgumentOutOfRangeError;
- }
- }
- SkipLastOperator.prototype.call = function (subscriber, source) {
- if (this._skipCount === 0) {
- return source.subscribe(new Subscriber(subscriber));
- }
- else {
- return source.subscribe(new SkipLastSubscriber(subscriber, this._skipCount));
- }
- };
- return SkipLastOperator;
-}());
-var SkipLastSubscriber = /*@__PURE__*/ (function (_super) {
- tslib_1.__extends(SkipLastSubscriber, _super);
- function SkipLastSubscriber(destination, _skipCount) {
- var _this = _super.call(this, destination) || this;
- _this._skipCount = _skipCount;
- _this._count = 0;
- _this._ring = new Array(_skipCount);
- return _this;
- }
- SkipLastSubscriber.prototype._next = function (value) {
- var skipCount = this._skipCount;
- var count = this._count++;
- if (count < skipCount) {
- this._ring[count] = value;
- }
- else {
- var currentIndex = count % skipCount;
- var ring = this._ring;
- var oldValue = ring[currentIndex];
- ring[currentIndex] = value;
- this.destination.next(oldValue);
- }
- };
- return SkipLastSubscriber;
-}(Subscriber));
-//# sourceMappingURL=skipLast.js.map