universal-perf 

Install

``bash
npm install --save universal-perf
`

Usage

`js
import {createElement, Component, render} from 'rax';
import {Text} from 'rax-components';
import Perf from 'universal-perf';

class PerfTest extends Component {
render() {
return Hello {this.props.name};
}
}

const styles = {
title: {
color: '#ff4400',
fontSize: 48,
fontWeight: 'bold',
}
};

Perf.start();
render(, null, {
measurer: Perf.Measurer
});

Perf.stop();
let measurements = Perf.getLastMeasurements();

Perf.printInclusive(measurements);
Perf.printExclusive(measurements);
``

API

$3

Prints the render time.

$3

Prints the overall time taken.

$3

Print newly inserted dom nodes in list as a waste of time

$3

Prints operations, eg. "remove attributes" and "change style"