| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import { PureComponent } from 'react'; |
| |
| class CurrentTimePanel extends PureComponent { |
| state = { |
| currentTime: null, |
| } |
| |
| componentDidMount() { |
| this.clock = setInterval(this.timer, 1000) |
| } |
| |
| componentWillUnmount() { |
| clearInterval(this.countdown); |
| } |
| |
| timer = () => { |
| const { moment } = this.props; |
| this.setState({ currentTime: moment() }); |
| } |
| |
| render() { |
| const { currentTime } = this.state; |
| return currentTime == null ? null : currentTime.format("YYYY-MM-DD HH:mm:ss"); |
| } |
| } |
| |
| export default CurrentTimePanel; |