nodejs/deps/npm/node_modules/semver/internal/parse-options.js

// parse out just the options we care about so we always get a consistent
// obj with keys in a consistent order.
const opts = ['includePrerelease', 'loose', 'rtl']
const parseOptions = options =>
  !options ? {}
  : typeof options !== 'object' ? { loose: true }
  : opts.filter(k => options[k]).reduce((o, k) => {
    o[k] = true
    return o
  }, {})
module.exports = parseOptions