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node_modules/rxjs/src/operator/every.ts
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EvgeniyBudaev
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17 фев 2020, 09:02
17 фев 2020, 09:02
bb6f06f
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import { Observable } from '../Observable'; import { every as higherOrder } from '../operators/every'; /** * 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<T>(this: Observable<T>, predicate: (value: T, index: number, source: Observable<T>) => boolean, thisArg?: any): Observable<boolean> { return higherOrder(predicate, thisArg)(this); }