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85 lines
1.7 KiB
TypeScript
85 lines
1.7 KiB
TypeScript
import React from 'react';
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import { TodoFooter } from './components/TodoFooter';
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import { TodoHeader } from './components/TodoHeader';
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import { TodoList } from './components/TodoList';
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let index = 0;
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export class TodoApp extends React.Component<any, any> {
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constructor(props) {
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super(props);
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this.state = {
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todos: {},
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filter: 'all'
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};
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}
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render() {
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const { filter, todos } = this.state;
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return (
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<div>
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<TodoHeader addTodo={this._addTodo} setFilter={this._setFilter} filter={filter} />
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<TodoList complete={this._complete} todos={todos} filter={filter} />
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<TodoFooter clear={this._clear} todos={todos} />
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</div>
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);
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}
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private _addTodo = label => {
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const { todos } = this.state;
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const id = index++;
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this.setState({
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todos: { ...todos, [id]: { label, completed: false } }
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});
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};
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private _remove = id => {
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const newTodos = { ...this.state.todos };
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delete newTodos[id];
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this.setState({
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todos: newTodos
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});
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};
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private _complete = id => {
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const newTodos = { ...this.state.todos };
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newTodos[id].completed = !newTodos[id].completed;
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this.setState({
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todos: newTodos
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});
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};
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private _edit = (id, label) => {
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const newTodos = { ...this.state.todos };
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newTodos[id] = { ...newTodos[id], label };
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this.setState({
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todos: newTodos
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});
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};
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private _clear = () => {
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const { todos } = this.state;
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const newTodos = {};
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Object.keys(this.state.todos).forEach(id => {
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if (!todos[id].completed) {
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newTodos[id] = todos[id];
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}
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});
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this.setState({
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todos: newTodos
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});
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};
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private _setFilter = filter => {
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this.setState({
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filter: filter
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});
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};
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}
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