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- import { Subscriber } from '../Subscriber';
- /**
- * Returns an Observable that emits whether or not every item of the source satisfies the condition specified.
- *
- * @example <caption>A simple example emitting true if all elements are less than 5, false otherwise</caption>
- * Observable.of(1, 2, 3, 4, 5, 6)
- * .every(x => x < 5)
- * .subscribe(x => console.log(x)); // -> false
- *
- * @param {function} predicate A function for determining if an item meets a specified condition.
- * @param {any} [thisArg] Optional object to use for `this` in the callback.
- * @return {Observable} An Observable of booleans that determines if all items of the source Observable meet the condition specified.
- * @method every
- * @owner Observable
- */
- export function every(predicate, thisArg) {
- return (source) => source.lift(new EveryOperator(predicate, thisArg, source));
- }
- class EveryOperator {
- constructor(predicate, thisArg, source) {
- this.predicate = predicate;
- this.thisArg = thisArg;
- this.source = source;
- }
- call(observer, source) {
- return source.subscribe(new EverySubscriber(observer, this.predicate, this.thisArg, this.source));
- }
- }
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- class EverySubscriber extends Subscriber {
- constructor(destination, predicate, thisArg, source) {
- super(destination);
- this.predicate = predicate;
- this.thisArg = thisArg;
- this.source = source;
- this.index = 0;
- this.thisArg = thisArg || this;
- }
- notifyComplete(everyValueMatch) {
- this.destination.next(everyValueMatch);
- this.destination.complete();
- }
- _next(value) {
- let result = false;
- try {
- result = this.predicate.call(this.thisArg, value, this.index++, this.source);
- }
- catch (err) {
- this.destination.error(err);
- return;
- }
- if (!result) {
- this.notifyComplete(false);
- }
- }
- _complete() {
- this.notifyComplete(true);
- }
- }
- //# sourceMappingURL=every.js.map
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