adding back docs

docs/step1-07/final/src/components/TodoFooter.tsx

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+import React from 'react';
+import { Todos } from '../TodoApp.types';
+interface TodoFooterProps {
+  clear: () => void;
+  todos: Todos;
+}
+
+export const TodoFooter = (props: TodoFooterProps) => {
+  const itemCount = Object.keys(props.todos).filter(id => !props.todos[id].completed).length;
+  return (
+    <footer>
+      <span>
+        {itemCount} item{itemCount > 1 ? 's' : ''} left
+      </span>
+      <button onClick={() => props.clear()} className="submit">
+        Clear Completed
+      </button>
+    </footer>
+  );
+};

docs/step1-07/final/src/components/TodoHeader.tsx

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+import React from 'react';
+import { FilterTypes } from '../TodoApp.types';
+
+interface TodoHeaderProps {
+  addTodo: (label: string) => void;
+  setFilter: (filter: FilterTypes) => void;
+  filter: FilterTypes;
+}
+
+export class TodoHeader extends React.Component<TodoHeaderProps, any> {
+  constructor(props) {
+    super(props);
+    this.state = { labelInput: '' };
+  }
+
+  render() {
+    const { filter, setFilter } = this.props;
+    return (
+      <header>
+        <h1>todos</h1>
+        <div className="addTodo">
+          <input value={this.state.labelInput} onChange={this._onChange} className="textfield" placeholder="add todo" />
+          <button onClick={this._onAdd} className="submit">
+            Add
+          </button>
+        </div>
+        <nav className="filter">
+          <button onClick={() => setFilter('all')} className={filter == 'all' ? 'completed' : ''}>
+            all
+          </button>
+          <button onClick={() => setFilter('active')} className={filter == 'active' ? 'completed' : ''}>
+            active
+          </button>
+          <button onClick={() => setFilter('completed')} className={filter == 'completed' ? 'completed' : ''}>
+            completed
+          </button>
+        </nav>
+      </header>
+    );
+  }
+
+  _onChange = evt => {
+    this.setState({ labelInput: evt.target.value });
+  };
+
+  _onAdd = () => {
+    this.props.addTodo(this.state.labelInput);
+    this.setState({ labelInput: '' });
+  };
+}

docs/step1-07/final/src/components/TodoList.tsx

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+import React from 'react';
+import { TodoListItem } from './TodoListItem';
+import { FilterTypes, Todos } from '../TodoApp.types';
+
+interface TodoListProps {
+  complete: (id: string) => void;
+  todos: Todos;
+  filter: FilterTypes;
+}
+
+export class TodoList extends React.Component<TodoListProps, any> {
+  render() {
+    const { filter, todos, complete } = this.props;
+
+    const filteredTodos = Object.keys(todos).filter(id => {
+      return filter === 'all' || (filter === 'completed' && todos[id].completed) || (filter === 'active' && !todos[id].completed);
+    });
+
+    return (
+      <ul className="todos">
+        {filteredTodos.map(id => (
+          <TodoListItem key={id} id={id} complete={complete} {...todos[id]} />
+        ))}
+      </ul>
+    );
+  }
+}

docs/step1-07/final/src/components/TodoListItem.tsx

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+import React from 'react';
+import { TodoItem } from '../TodoApp.types';
+
+interface TodoListItemProps extends TodoItem {
+  id: string;
+  complete: (id: string) => void;
+}
+
+export class TodoListItem extends React.Component<TodoListItemProps, any> {
+  render() {
+    const { label, completed, complete, id } = this.props;
+
+    return (
+      <li className="todo">
+        <label>
+          <input type="checkbox" checked={completed} onChange={() => complete(id)} /> {label}
+        </label>
+      </li>
+    );
+  }
+}