@mic-rexjs/usecases/es/usecases/objectUseCase/index.js

Usecases of Clean Architecture

import { entityUseCase } from '../entityUseCase';
import { getAccessorDescriptorMap } from './methods/getAccessorDescriptorMap';
export const objectUseCase = () => {
    let hasAccessors = false;
    let accessorDescriptors = null;
    const entityReducers = entityUseCase();
    const setEntity = function* (entity, settableEntity) {
        let newEntity;
        if (typeof settableEntity === 'function') {
            newEntity = settableEntity(entity);
            if (entity === newEntity) {
                return newEntity;
            }
        }
        else {
            newEntity = {
                ...entity,
                ...settableEntity,
            };
        }
        if (accessorDescriptors === null) {
            accessorDescriptors = getAccessorDescriptorMap(entity);
            hasAccessors = Object.keys(accessorDescriptors).length > 0;
        }
        if (hasAccessors) {
            Object.defineProperties(newEntity, accessorDescriptors);
        }
        return yield newEntity;
    };
    return {
        ...entityReducers,
        setEntity,
    };
};