Function fullyResolveKeys

javascript/selenium-webdriver/lib/promise.js:226–254

* @param {!(Array|Object)} obj the object to resolve. * @return {!Thenable} A promise that will be resolved with the * input object once all of its values have been fully resolved.

(obj)

 *     input object once all of its values have been fully resolved.
 */
async function fullyResolveKeys(obj) {
  const isArray = Array.isArray(obj)
  const numKeys = isArray ? obj.length : Object.keys(obj).length

  if (!numKeys) {
    return obj
  }

  async function forEachProperty(obj, fn) {
    for (let key in obj) {
      await fn(obj[key], key)
    }
  }

  async function forEachElement(arr, fn) {
    for (let i = 0; i < arr.length; i++) {
      await fn(arr[i], i)
    }
  }

  const forEachKey = isArray ? forEachElement : forEachProperty
  await forEachKey(obj, async function (partialValue, key) {
    if (!Array.isArray(partialValue) && (!partialValue || typeof partialValue !== 'object')) {
      return
    }
    obj[key] = await fullyResolved(partialValue)
  })
  return obj
}

// PUBLIC API