i-love-optional-chaining.js

async function parseOptions (options) {
  const parsedOptions = {
    urls: {
      index: 'https://nodejs.org/dist/index.json',
      schedule: 'https://raw.githubusercontent.com/nodejs/Release/master/schedule.json'
    }
  }

  if(options?.urls?.index) {
    parsedOptions.urls.index = options.urls.index
  }

  if(options?.urls?.schedule) {
    parsedOptions.urls.schedule = options.urls.schedule
  }
}