/** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subscriber } from '../Subscriber';
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export function sequenceEqual(compareTo, comparator) {
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return function (source) { return source.lift(new SequenceEqualOperator(compareTo, comparator)); };
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}
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var SequenceEqualOperator = /*@__PURE__*/ (function () {
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function SequenceEqualOperator(compareTo, comparator) {
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this.compareTo = compareTo;
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this.comparator = comparator;
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}
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SequenceEqualOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new SequenceEqualSubscriber(subscriber, this.compareTo, this.comparator));
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};
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return SequenceEqualOperator;
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}());
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export { SequenceEqualOperator };
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var SequenceEqualSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(SequenceEqualSubscriber, _super);
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function SequenceEqualSubscriber(destination, compareTo, comparator) {
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var _this = _super.call(this, destination) || this;
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_this.compareTo = compareTo;
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_this.comparator = comparator;
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_this._a = [];
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_this._b = [];
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_this._oneComplete = false;
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_this.destination.add(compareTo.subscribe(new SequenceEqualCompareToSubscriber(destination, _this)));
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return _this;
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}
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SequenceEqualSubscriber.prototype._next = function (value) {
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if (this._oneComplete && this._b.length === 0) {
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this.emit(false);
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}
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else {
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this._a.push(value);
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this.checkValues();
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}
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};
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SequenceEqualSubscriber.prototype._complete = function () {
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if (this._oneComplete) {
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this.emit(this._a.length === 0 && this._b.length === 0);
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}
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else {
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this._oneComplete = true;
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}
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this.unsubscribe();
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};
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SequenceEqualSubscriber.prototype.checkValues = function () {
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var _c = this, _a = _c._a, _b = _c._b, comparator = _c.comparator;
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while (_a.length > 0 && _b.length > 0) {
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var a = _a.shift();
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var b = _b.shift();
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var areEqual = false;
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try {
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areEqual = comparator ? comparator(a, b) : a === b;
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}
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catch (e) {
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this.destination.error(e);
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}
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if (!areEqual) {
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this.emit(false);
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}
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}
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};
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SequenceEqualSubscriber.prototype.emit = function (value) {
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var destination = this.destination;
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destination.next(value);
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destination.complete();
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};
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SequenceEqualSubscriber.prototype.nextB = function (value) {
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if (this._oneComplete && this._a.length === 0) {
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this.emit(false);
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}
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else {
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this._b.push(value);
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this.checkValues();
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}
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};
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SequenceEqualSubscriber.prototype.completeB = function () {
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if (this._oneComplete) {
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this.emit(this._a.length === 0 && this._b.length === 0);
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}
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else {
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this._oneComplete = true;
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}
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};
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return SequenceEqualSubscriber;
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}(Subscriber));
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export { SequenceEqualSubscriber };
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var SequenceEqualCompareToSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(SequenceEqualCompareToSubscriber, _super);
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function SequenceEqualCompareToSubscriber(destination, parent) {
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var _this = _super.call(this, destination) || this;
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_this.parent = parent;
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return _this;
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}
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SequenceEqualCompareToSubscriber.prototype._next = function (value) {
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this.parent.nextB(value);
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};
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SequenceEqualCompareToSubscriber.prototype._error = function (err) {
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this.parent.error(err);
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this.unsubscribe();
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};
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SequenceEqualCompareToSubscriber.prototype._complete = function () {
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this.parent.completeB();
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this.unsubscribe();
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};
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return SequenceEqualCompareToSubscriber;
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}(Subscriber));
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//# sourceMappingURL=sequenceEqual.js.map
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