12345678910111213141516171819202122 |
- import { operate } from '../util/lift';
- import { createOperatorSubscriber } from './OperatorSubscriber';
- export function find(predicate, thisArg) {
- return operate(createFind(predicate, thisArg, 'value'));
- }
- export function createFind(predicate, thisArg, emit) {
- var findIndex = emit === 'index';
- return function (source, subscriber) {
- var index = 0;
- source.subscribe(createOperatorSubscriber(subscriber, function (value) {
- var i = index++;
- if (predicate.call(thisArg, value, i, source)) {
- subscriber.next(findIndex ? i : value);
- subscriber.complete();
- }
- }, function () {
- subscriber.next(findIndex ? -1 : undefined);
- subscriber.complete();
- }));
- };
- }
- //# sourceMappingURL=find.js.map
|