Merge pull request #3767 from cezaraugusto/clock

Add clock component

js/about/clock.js

@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const React = require('react')
+
+class Clock extends React.Component {
+  constructor () {
+    super()
+    this.state = {}
+  }
+  get currentTime () {
+    const currentdate = new Date()
+    let hours = currentdate.getHours()
+    let minutes = currentdate.getMinutes()
+    let timeOfDay = (hours < 12) ? 'am' : 'pm'
+    // Set hours to be between 0 - 12
+    // and minutes less than 10 to have a leading zero
+    hours = (hours > 12) ? hours - 12 : hours
+    hours = (hours === 0) ? 12 : hours
+    minutes = (minutes < 10 ? '0' : '') + minutes
+
+    return {
+      time: `${hours}:${minutes}`,
+      dayTime: `${timeOfDay}`
+    }
+  }
+  updateClock () {
+    this.setState({
+      currentTime: this.currentTime.time,
+      dayTime: this.currentTime.dayTime
+    })
+  }
+  componentDidMount () {
+    window.setInterval(this.updateClock.bind(this), 1000)
+  }
+  render () {
+    return <div className='clock'>
+      <span className='time'>{this.state.currentTime}</span>
+      <span className='dayTime'>{this.state.dayTime}</span>
+    </div>
+  }
+}
+module.exports = Clock