| import { single as higherOrder } from '../operators/single'; |
| /** |
| * Returns an Observable that emits the single item emitted by the source Observable that matches a specified |
| * predicate, if that Observable emits one such item. If the source Observable emits more than one such item or no |
| * such items, notify of an IllegalArgumentException or NoSuchElementException respectively. |
| * |
| * <img src="./img/single.png" width="100%"> |
| * |
| * @throws {EmptyError} Delivers an EmptyError to the Observer's `error` |
| * callback if the Observable completes before any `next` notification was sent. |
| * @param {Function} predicate - A predicate function to evaluate items emitted by the source Observable. |
| * @return {Observable<T>} An Observable that emits the single item emitted by the source Observable that matches |
| * the predicate. |
| . |
| * @method single |
| * @owner Observable |
| */ |
| export function single(predicate) { |
| return higherOrder(predicate)(this); |
| } |
| //# sourceMappingURL=single.js.map |