blow-collection
Simple in memory collection with Rx / Observable interface.
interface CollectionOptions { idKey?: string; idGenerator?: () => string | number;} class Collection<T> { constructor(options?: CollectionOptions); create(data: any): Observable<T>; update(where: QueryWhere, data: any): Observable<number>; updateOrCreate(data: any): Observable<T>; count(where: QueryWhere): Observable<number>; destroy(where: QueryWhere): Observable<number>; destroyById(id: any): Observable<boolean>; find(query?: QueryObject): Observable<T>; findOne(query: QueryObject): Observable<T>; findById(id: any): Observable<T>; findOrCreate(where: QueryWhere, data: any): Observable<T>; exists(id: any): Observable<boolean>;}