1 | /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */
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2 | import * as tslib_1 from "tslib";
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3 | import { Subscriber } from '../Subscriber';
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4 | export function sequenceEqual(compareTo, comparator) {
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5 | return function (source) { return source.lift(new SequenceEqualOperator(compareTo, comparator)); };
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6 | }
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7 | var SequenceEqualOperator = /*@__PURE__*/ (function () {
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8 | function SequenceEqualOperator(compareTo, comparator) {
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9 | this.compareTo = compareTo;
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10 | this.comparator = comparator;
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11 | }
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12 | SequenceEqualOperator.prototype.call = function (subscriber, source) {
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13 | return source.subscribe(new SequenceEqualSubscriber(subscriber, this.compareTo, this.comparator));
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14 | };
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15 | return SequenceEqualOperator;
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16 | }());
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17 | export { SequenceEqualOperator };
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18 | var SequenceEqualSubscriber = /*@__PURE__*/ (function (_super) {
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19 | tslib_1.__extends(SequenceEqualSubscriber, _super);
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20 | function SequenceEqualSubscriber(destination, compareTo, comparator) {
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21 | var _this = _super.call(this, destination) || this;
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22 | _this.compareTo = compareTo;
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23 | _this.comparator = comparator;
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24 | _this._a = [];
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25 | _this._b = [];
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26 | _this._oneComplete = false;
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27 | _this.destination.add(compareTo.subscribe(new SequenceEqualCompareToSubscriber(destination, _this)));
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28 | return _this;
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29 | }
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30 | SequenceEqualSubscriber.prototype._next = function (value) {
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31 | if (this._oneComplete && this._b.length === 0) {
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32 | this.emit(false);
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33 | }
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34 | else {
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35 | this._a.push(value);
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36 | this.checkValues();
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37 | }
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38 | };
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39 | SequenceEqualSubscriber.prototype._complete = function () {
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40 | if (this._oneComplete) {
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41 | this.emit(this._a.length === 0 && this._b.length === 0);
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42 | }
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43 | else {
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44 | this._oneComplete = true;
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45 | }
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46 | this.unsubscribe();
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47 | };
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48 | SequenceEqualSubscriber.prototype.checkValues = function () {
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49 | var _c = this, _a = _c._a, _b = _c._b, comparator = _c.comparator;
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50 | while (_a.length > 0 && _b.length > 0) {
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51 | var a = _a.shift();
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52 | var b = _b.shift();
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53 | var areEqual = false;
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54 | try {
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55 | areEqual = comparator ? comparator(a, b) : a === b;
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56 | }
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57 | catch (e) {
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58 | this.destination.error(e);
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59 | }
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60 | if (!areEqual) {
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61 | this.emit(false);
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62 | }
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63 | }
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64 | };
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65 | SequenceEqualSubscriber.prototype.emit = function (value) {
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66 | var destination = this.destination;
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67 | destination.next(value);
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68 | destination.complete();
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69 | };
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70 | SequenceEqualSubscriber.prototype.nextB = function (value) {
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71 | if (this._oneComplete && this._a.length === 0) {
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72 | this.emit(false);
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73 | }
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74 | else {
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75 | this._b.push(value);
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76 | this.checkValues();
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77 | }
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78 | };
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79 | SequenceEqualSubscriber.prototype.completeB = function () {
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80 | if (this._oneComplete) {
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81 | this.emit(this._a.length === 0 && this._b.length === 0);
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82 | }
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83 | else {
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84 | this._oneComplete = true;
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85 | }
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86 | };
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87 | return SequenceEqualSubscriber;
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88 | }(Subscriber));
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89 | export { SequenceEqualSubscriber };
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90 | var SequenceEqualCompareToSubscriber = /*@__PURE__*/ (function (_super) {
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91 | tslib_1.__extends(SequenceEqualCompareToSubscriber, _super);
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92 | function SequenceEqualCompareToSubscriber(destination, parent) {
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93 | var _this = _super.call(this, destination) || this;
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94 | _this.parent = parent;
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95 | return _this;
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96 | }
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97 | SequenceEqualCompareToSubscriber.prototype._next = function (value) {
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98 | this.parent.nextB(value);
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99 | };
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100 | SequenceEqualCompareToSubscriber.prototype._error = function (err) {
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101 | this.parent.error(err);
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102 | this.unsubscribe();
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103 | };
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104 | SequenceEqualCompareToSubscriber.prototype._complete = function () {
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105 | this.parent.completeB();
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106 | this.unsubscribe();
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107 | };
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108 | return SequenceEqualCompareToSubscriber;
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109 | }(Subscriber));
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110 | //# sourceMappingURL=sequenceEqual.js.map
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