serverless-artillery/lib/lambda/node_modules/widest-line/index.js

A serverless performance testing tool. `serverless` + `artillery` = crush. a.k.a. Orbital Laziers [sic]

'use strict';
const stringWidth = require('string-width');

module.exports = input => {
	let max = 0;
	for (const s of input.split('\n')) max = Math.max(max, stringWidth(s));
	return max;
};