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/* 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
"use strict";
const {
Component,
/**
* Renders the "Time" column of a message.
*/
class ColumnTime extends Component {
static get propTypes() {
return {
item: PropTypes.object.isRequired,
};
}
shouldComponentUpdate(nextProps) {
return (
this.props.item.type !== nextProps.item.type ||
this.props.item.timeStamp !== nextProps.item.timeStamp
);
}
/**
* Format a DOMHighResTimeStamp (in microseconds) as HH:mm:ss.SSS
* @param {number} highResTimeStamp
*/
formatTime(highResTimeStamp) {
const date = new Date(highResTimeStamp / 1000);
const hh = date.getHours().toString().padStart(2, "0");
const mm = date.getMinutes().toString().padStart(2, "0");
const ss = date.getSeconds().toString().padStart(2, "0");
const mmm = date.getMilliseconds().toString().padStart(3, "0");
return `${hh}:${mm}:${ss}.${mmm}`;
}
render() {
const label = this.formatTime(this.props.item.timeStamp);
return dom.td(
{
className: "message-list-column message-list-time",
title: label,
},
label
);
}
}
module.exports = ColumnTime;