Function invertObjectToMap

lib/utils/objects.js:124–134

(obj: { +[K]: V })

}

function invertObjectToMap<K, V>(obj: { +[K]: V }): Map<V, K> {
  const invertedMap = new Map<V, K>();
  for (const key of Object.keys(obj)) {
    invariant(
      !invertedMap.has(obj[key]),
      `invertObjectToMap: obj[${key}] is already in invertedMap`,
    );
    invertedMap.set(obj[key], key);
  }
  return invertedMap;
}

export {
  findMaximumDepth,