99 lines
2.7 KiB
JavaScript
99 lines
2.7 KiB
JavaScript
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import { Subscriber } from '../Subscriber';
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export function sequenceEqual(compareTo, comparator) {
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return (source) => source.lift(new SequenceEqualOperator(compareTo, comparator));
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}
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export class SequenceEqualOperator {
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constructor(compareTo, comparator) {
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this.compareTo = compareTo;
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this.comparator = comparator;
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}
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call(subscriber, source) {
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return source.subscribe(new SequenceEqualSubscriber(subscriber, this.compareTo, this.comparator));
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}
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}
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export class SequenceEqualSubscriber extends Subscriber {
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constructor(destination, compareTo, comparator) {
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super(destination);
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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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}
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_next(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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_complete() {
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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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checkValues() {
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const { _a, _b, comparator } = this;
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while (_a.length > 0 && _b.length > 0) {
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let a = _a.shift();
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let b = _b.shift();
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let 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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emit(value) {
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const { destination } = this;
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destination.next(value);
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destination.complete();
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}
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nextB(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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completeB() {
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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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}
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class SequenceEqualCompareToSubscriber extends Subscriber {
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constructor(destination, parent) {
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super(destination);
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this.parent = parent;
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}
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_next(value) {
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this.parent.nextB(value);
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}
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_error(err) {
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this.parent.error(err);
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this.unsubscribe();
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}
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_complete() {
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this.parent.completeB();
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this.unsubscribe();
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}
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}
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//# sourceMappingURL=sequenceEqual.js.map
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