nanoseconds/index.js

Convert the process.hrtime() array to a single nanoseconds value. This makes it easier to diff times.

/*!
 * nanoseconds <https://github.com/jonschlinkert/nanoseconds>
 *
 * Copyright (c) 2015-2018, Jon Schlinkert.
 * Released under the MIT License.
 */

'use strict';

module.exports = function(time) {
  if (!Array.isArray(time) || time.length !== 2) {
    throw new TypeError('expected an array from process.hrtime()');
  }
  return +time[0] * 1e9 + +time[1];
};