import { find as higherOrder } from '../operators/find'; /* tslint:enable:max-line-length */ /** * Emits only the first value emitted by the source Observable that meets some * condition. * * Finds the first value that passes some test and emits * that. * * * * `find` searches for the first item in the source Observable that matches the * specified condition embodied by the `predicate`, and returns the first * occurrence in the source. Unlike {@link first}, the `predicate` is required * in `find`, and does not emit an error if a valid value is not found. * * @example Find and emit the first click that happens on a DIV element * var clicks = Rx.Observable.fromEvent(document, 'click'); * var result = clicks.find(ev => ev.target.tagName === 'DIV'); * result.subscribe(x => console.log(x)); * * @see {@link filter} * @see {@link first} * @see {@link findIndex} * @see {@link take} * * @param {function(value: T, index: number, source: Observable): boolean} predicate * A function called with each item to test for condition matching. * @param {any} [thisArg] An optional argument to determine the value of `this` * in the `predicate` function. * @return {Observable} An Observable of the first item that matches the * condition. * @method find * @owner Observable */ export function find(predicate, thisArg) { return higherOrder(predicate, thisArg)(this); } //# sourceMappingURL=find.js.map