kea-react/src/crud.ts

Componentes comunes de react

import { Http } from "./http";
export interface CrudResource<T> {
    query: () => PromiseLike<T[]>,
    get: (id: number) => PromiseLike<T>,
    delete: (id: number) => PromiseLike<void>,
    post: (x: T) => PromiseLike<number>,
    put: (x: T) => PromiseLike<void>
}

/**Devuelve un objeto con las funciones para realizar operaciones crud sencilas sobre un recurso REST
 * @param url La url sin la última diagonal
 * @param key Nombre de la propiedad de la llave primaria que se usara en el put/update
 */
export function crud<TEntity extends { IdRegistro?: number | string | null }>(url: string): CrudResource<TEntity>
export function crud<TEntity>(url: string, key: keyof TEntity): CrudResource<TEntity>
export function crud<TEntity>(url: string, key: string = "IdRegistro"): CrudResource<TEntity> {

    const urlId = id => url + "/" + id;
    const ret: CrudResource<TEntity> = {
        query: () => Http.Get(url).then<TEntity[]>(x => x),
        get: (id: number | string) => Http.Get(urlId(id)).then<TEntity>(x => x),
        delete: (id: number | string) => Http.Delete(urlId(id)),
        post: (x: TEntity) => Http.Post(url, x).then<number>(x => x),
        put: (x: TEntity) => Http.Put(urlId(x[key]), x)
    }
    return ret;
}