一起养成写作习惯!这是我参与「掘金日新计划 · 4 月更文挑战」的第14天,点击查看活动详情。
1,seletor 是一个纯函数
2, 语法例子
const getProducts = (state) => state.products; const getPizzas = (state) => state.pizzas;
const getEntities = (state) => state.entities;
3, 虚拟例子
class Store {
constructor() {
this.state = {
products: {
pizzas: {
entities: {
1: { name: 'Pizza 1', id: 1 },
2: { name: 'Pizza 2', id: 2 },
},
},
},
};
}
}