Javascript 如何从redux存储中反规范化实体?
我在redux存储中有一个数据状态,如:Javascript 如何从redux存储中反规范化实体?,javascript,reactjs,redux,denormalization,normalizr,Javascript,Reactjs,Redux,Denormalization,Normalizr,我在redux存储中有一个数据状态,如: { 123: { a: 'abc' }, 456: { a: 'def' }, 789: { a: 'ghi' }, } 这是一个对象数组,如: 常量trainersArray=[ {u id:123,a:'abc'}, {u id:456,a:'def'}, {u id:789,a:'ghi'}, ] 现在我想在一个组件中进行如下的反规范化,但我就是不明白 const normalizedTrainers = useSelector(({
{
123: { a: 'abc' },
456: { a: 'def' },
789: { a: 'ghi' },
}
这是一个对象数组,如:
常量trainersArray=[
{u id:123,a:'abc'},
{u id:456,a:'def'},
{u id:789,a:'ghi'},
]
现在我想在一个组件中进行如下的反规范化,但我就是不明白
const normalizedTrainers = useSelector(({ trainers}) => trainers);
const denormalizedData = denormalize(Object.keys(normalizedTrainers), [trainer], normalizedTrainers );
我只是不理解文档中的示例:(
我怎么做才像我的
const normalizedTrainers = useSelector(({ trainers}) => trainers);
const denormalizedData = denormalize(Object.keys(normalizedTrainers), [trainer], normalizedTrainers );
import { denormalize, schema } from 'normalizr';
const user = new schema.Entity('users');
const mySchema = { users: [user] };
const entities = { users: { '1': { id: 1 }, '2': { id: 2 } } };
const denormalizedData = denormalize({ users: [1, 2] }, mySchema, entities);