simplify 2-2 exercise

step2-02/exercise/src/components/TodoList.tsx

@@ -1,13 +1,27 @@
 import React from 'react';
 import { Stack } from 'office-ui-fabric-react';
 import { TodoListItem } from './TodoListItem';
+import { Store, FilterTypes } from '../store';
+
+interface TodoListProps {
+  complete: (id: string) => void;
+  remove: (id: string) => void;
+  todos: Store['todos'];
+  filter: FilterTypes;
+  edit: (id: string, label: string) => void;
+}
+
+export const TodoList = (props: TodoListProps) => {
+  const { filter, todos, complete, remove, edit } = props;
+  const filteredTodos = Object.keys(todos).filter(id => {
+    return filter === 'all' || (filter === 'completed' && todos[id].completed) || (filter === 'active' && !todos[id].completed);
+  });
 
-export const TodoList = (props: any) => {
   return (
-    <ul className="todos">
-      <TodoListItem />
-      <TodoListItem />
-      <TodoListItem />
-    </ul>
+    <Stack gap={10}>
+      {filteredTodos.map(id => (
+        <TodoListItem key={id} id={id} todos={todos} complete={complete} remove={remove} edit={edit} />
+      ))}
+    </Stack>
   );
 };