Function hash

lib/utils/objects.js:62–67

(obj: ?Object)

}

function hash(obj: ?Object): number {
  if (!obj) {
    return -1;
  }
  return stringHash(stableStringify(obj));
}

// This function doesn't look at the order of the hashes inside of the array
// e.g `combineUnorderedHashes([1,2,3]) === combineUnorderedHashes([3,1,2])`