Function parse

test/unit/static/js/mocha.js:1642–1671

* Parse the given `str` and return milliseconds. * * @param {String} str * @return {Number} * @api private

(str)

 */

function parse(str) {
  var m = /^((?:\d+)?\.?\d+) *(ms|seconds?|s|minutes?|m|hours?|h|days?|d|years?|y)?$/i.exec(str);
  if (!m) return;
  var n = parseFloat(m[1]);
  var type = (m[2] || 'ms').toLowerCase();
  switch (type) {
    case 'years':
    case 'year':
    case 'y':
      return n * 31557600000;
    case 'days':
    case 'day':
    case 'd':
      return n * 86400000;
    case 'hours':
    case 'hour':
    case 'h':
      return n * 3600000;
    case 'minutes':
    case 'minute':
    case 'm':
      return n * 60000;
    case 'seconds':
    case 'second':
    case 's':
      return n * 1000;
    case 'ms':
      return n;
  }
}

/**
 * Format the given `ms`.