checking in docs for github.io page

docs/step1-06/src/TodoApp.tsx

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+import React from 'react';
+import { TodoFooter } from './components/TodoFooter';
+import { TodoHeader } from './components/TodoHeader';
+import { TodoList } from './components/TodoList';
+
+export class TodoApp extends React.Component<any, any> {
+  constructor(props) {
+    super(props);
+    this.state = {
+      todos: {
+        '04': {
+          label: 'Todo 4',
+          completed: true
+        },
+        '03': {
+          label: 'Todo 3',
+          completed: false
+        },
+        '02': {
+          label: 'Todo 2',
+          completed: false
+        },
+        '01': {
+          label: 'Todo 1',
+          completed: false
+        }
+      },
+      filter: 'all'
+    };
+  }
+  render() {
+    const { filter, todos } = this.state;
+    return (
+      <div>
+        <TodoHeader filter={filter} />
+        <TodoList todos={todos} filter={filter} />
+        <TodoFooter todos={todos} />
+      </div>
+    );
+  }
+}

docs/step1-06/src/components/TodoFooter.tsx

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

docs/step1-06/src/components/TodoHeader.tsx

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+import React from 'react';
+
+export class TodoHeader extends React.Component<any, any> {
+  render() {
+    const { filter } = this.props;
+    return (
+      <div>
+        <h1>todos</h1>
+        <input className="textfield" placeholder="add todo" />
+        <button className="button add">Add</button>
+        <div className="filter">
+          <button className={filter == 'all' ? 'active' : ''}>all</button>
+          <button className={filter == 'active' ? 'active' : ''}>active</button>
+          <button className={filter == 'completed' ? 'active' : ''}>completed</button>
+        </div>
+      </div>
+    );
+  }
+}

docs/step1-06/src/components/TodoList.tsx

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+import React from 'react';
+import { TodoListItem } from './TodoListItem';
+
+export class TodoList extends React.Component<any, any> {
+  render() {
+    const { filter, todos } = 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} {...todos[id]} />
+        ))}
+      </ul>
+    );
+  }
+}

docs/step1-06/src/components/TodoListItem.tsx

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+import React from 'react';
+
+export class TodoListItem extends React.Component<any, any> {
+  render() {
+    const { label, completed } = this.props;
+    return (
+      <li className="todo">
+        <label>
+          <input type="checkbox" checked={completed} /> {label}
+        </label>
+      </li>
+    );
+  }
+}

docs/step1-06/src/index.tsx

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+import React from 'react';
+import ReactDOM from 'react-dom';
+import { TodoApp } from './TodoApp';
+ReactDOM.render(<TodoApp />, document.getElementById('app'));

docs/step1-06/src/style.css

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+body {
+  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  width: 400px;
+  margin: 20px auto;
+}
+h1 {
+  text-align: center;
+}
+
+.textfield {
+  width: 80%;
+}
+
+.add {
+  margin-left: 5%;
+}
+
+.button {
+  border: none;
+  padding: 5px 10px;
+}
+
+.filter {
+  margin: 10px 0 0;
+}
+
+.filter button {
+  background: transparent;
+  border: none;
+}
+.filter .active {
+  border-bottom: 2px solid blue;
+}
+
+.todos {
+  list-style: none;
+  padding: 0;
+}
+
+footer {
+  display: flex;
+}
+
+footer span {
+  flex-grow: 1;
+}
+
+.hidden {
+  display: none;
+}