{"version":3,"file":"last.js","sourceRoot":"","sources":["../../src/operator/last.ts"],"names":[],"mappings":";AACA,qBAAoC,mBAAmB,CAAC,CAAA;AAsBxD,mCAAmC;AAEnC;;;;;;;;;;;;;;;;GAgBG;AACH,cAAgD,SAAuE,EAC5F,cAAwD,EACxD,YAAgB;IACzC,MAAM,CAAC,WAAW,CAAC,SAAS,EAAE,cAAqB,EAAE,YAAY,CAAC,CAAC,IAAI,CAAC,CAAC;AAC3E,CAAC;AAJe,YAAI,OAInB,CAAA","sourcesContent":["import { Observable } from '../Observable';\nimport { last as higherOrder } from '../operators/last';\n\n/* tslint:disable:max-line-length */\nexport function last<T, S extends T>(this: Observable<T>,\n                                     predicate: (value: T, index: number, source: Observable<T>) => value is S): Observable<S>;\nexport function last<T, S extends T, R>(this: Observable<T>,\n                                        predicate: (value: T | S, index: number, source: Observable<T>) => value is S,\n                                        resultSelector: (value: S, index: number) => R, defaultValue?: R): Observable<R>;\nexport function last<T, S extends T>(this: Observable<T>,\n                                     predicate: (value: T, index: number, source: Observable<T>) => value is S,\n                                     resultSelector: void,\n                                     defaultValue?: S): Observable<S>;\nexport function last<T>(this: Observable<T>,\n                        predicate?: (value: T, index: number, source: Observable<T>) => boolean): Observable<T>;\nexport function last<T, R>(this: Observable<T>,\n                           predicate: (value: T, index: number, source: Observable<T>) => boolean,\n                           resultSelector?: (value: T, index: number) => R,\n                           defaultValue?: R): Observable<R>;\nexport function last<T>(this: Observable<T>,\n                        predicate: (value: T, index: number, source: Observable<T>) => boolean,\n                        resultSelector: void,\n                        defaultValue?: T): Observable<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns an Observable that emits only the last item emitted by the source Observable.\n * It optionally takes a predicate function as a parameter, in which case, rather than emitting\n * the last item from the source Observable, the resulting Observable will emit the last item\n * from the source Observable that satisfies the predicate.\n *\n * <img src=\"./img/last.png\" width=\"100%\">\n *\n * @throws {EmptyError} Delivers an EmptyError to the Observer's `error`\n * callback if the Observable completes before any `next` notification was sent.\n * @param {function} predicate - The condition any source emitted item has to satisfy.\n * @return {Observable} An Observable that emits only the last item satisfying the given condition\n * from the source, or an NoSuchElementException if no such items are emitted.\n * @throws - Throws if no items that match the predicate are emitted by the source Observable.\n * @method last\n * @owner Observable\n */\nexport function last<T, R>(this: Observable<T>, predicate?: (value: T, index: number, source: Observable<T>) => boolean,\n                           resultSelector?: ((value: T, index: number) => R) | void,\n                           defaultValue?: R): Observable<T | R> {\n  return higherOrder(predicate, resultSelector as any, defaultValue)(this);\n}\n"]}