Behavior Subject Entitites

Description

Behavior Subject Entitites is a helper class designed to be used in place of a standard BehaviorSubject(). It includes all CRUD functions to make dealing with adding, removing, and deleting easier.

Installation

• Install the package

  npm install behavior-subject-entities --save

Use

• Import it in a TS file

import { EntityClass } from 'behavior-subject-entities';

Demo

• Option 1: Extend it on a Class
  • Stackblitz

export class TestService extends EntityClass<T>

• Options 2: add it as a variable to a class
  • Stackblitz

subject = new EntityClass<T>();

Options

EntityClass accepts a few options

| Key | Required | Type | Default Value | Description | | ------ | -------- | ------------- | ------------------------------ | -------------------------------------------------------------------- | | key | false | IdSelector | (instance: any) => instance.id | Id selector for the Entity. Pass a new function if you do not use id | | name | false | string | Item | The Single Name for the Entity | | plural | false | string | Items | The Plural Name for the Entity |

Methods

| Method | Parameters | Return | | ----------- | --------------------- | --------------------------------- | | data$ | N/A | Observable<EntityObjContainer<T>> | | items$ | N/A | Observable<T[]> | | activeId$ | N/A | Observable<string> | | addOne | item: T | void | | addMany | arr: T[] | void | | getOne | id: string | Observable<T> | | getMany | ids: string[] | Observable<T[]> | | updateOne | item: T | void | | updateMany | arr: T | void | | removeOne | id: string | void | | removeMany | ids: string[] | void | | snapshot | N/A | EntitySnapshot<T> | | setActiveId | id: string | void |