progressIndicator.js

updateProgress = () => {
	this.setState({ progress: 0 });
	const min = 1;
	const max = 60;
	const totalTime = Math.floor(Math.random() * (max - min + 1) + min);

	let counter = 0;

	var progInterval = setInterval(() => {
		counter++;

		this.setState({
			progress: counter / (totalTime * 60) * 100
		});

		if (counter >= totalTime * 60) {
			clearInterval(progInterval);
			counter = 0;
			console.log("done");
		}
	}, 16);
};