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import { selector } from "recoil";
import { todoListFilterState, todoListState } from "./atoms";
export const filteredTodoListState = selector({
key: "filteredTodoListState",
get: ({ get }) => {
const filter = get(todoListFilterState);
const list = get(todoListState);
switch (filter) {
case "completed":
return list.filter((item) => item.isCompleted);
case "uncompleted":
return list.filter((item) => !item.isCompleted);
default:
// all
return list;
}
},
});
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