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- /** PURE_IMPORTS_START .._Subscriber PURE_IMPORTS_END */
- 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 __());
- };
- import { Subscriber } from '../Subscriber';
- /**
- * Returns an Observable that skips all items emitted by the source Observable as long as a specified condition holds
- * true, but emits all further source items as soon as the condition becomes false.
- *
- * <img src="./img/skipWhile.png" width="100%">
- *
- * @param {Function} predicate - A function to test each item emitted from the source Observable.
- * @return {Observable<T>} An Observable that begins emitting items emitted by the source Observable when the
- * specified predicate becomes false.
- * @method skipWhile
- * @owner Observable
- */
- export function skipWhile(predicate) {
- return function (source) { return source.lift(new SkipWhileOperator(predicate)); };
- }
- var SkipWhileOperator = /*@__PURE__*/ (/*@__PURE__*/ function () {
- function SkipWhileOperator(predicate) {
- this.predicate = predicate;
- }
- SkipWhileOperator.prototype.call = function (subscriber, source) {
- return source.subscribe(new SkipWhileSubscriber(subscriber, this.predicate));
- };
- return SkipWhileOperator;
- }());
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- var SkipWhileSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
- __extends(SkipWhileSubscriber, _super);
- function SkipWhileSubscriber(destination, predicate) {
- _super.call(this, destination);
- this.predicate = predicate;
- this.skipping = true;
- this.index = 0;
- }
- SkipWhileSubscriber.prototype._next = function (value) {
- var destination = this.destination;
- if (this.skipping) {
- this.tryCallPredicate(value);
- }
- if (!this.skipping) {
- destination.next(value);
- }
- };
- SkipWhileSubscriber.prototype.tryCallPredicate = function (value) {
- try {
- var result = this.predicate(value, this.index++);
- this.skipping = Boolean(result);
- }
- catch (err) {
- this.destination.error(err);
- }
- };
- return SkipWhileSubscriber;
- }(Subscriber));
- //# sourceMappingURL=skipWhile.js.map
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