Function hydrateHelper

packages/react-devtools-shared/src/backendAPI.js:329–355

(
  dehydratedData: DehydratedData | null,
  path: ?InspectedElementPath,
)

}

export function hydrateHelper(
  dehydratedData: DehydratedData | null,
  path: ?InspectedElementPath,
): Object | null {
  if (dehydratedData !== null) {
    const {cleaned, data, unserializable} = dehydratedData;

    if (path) {
      const {length} = path;
      if (length > 0) {
        // Hydration helper requires full paths, but inspection dehydrates with relative paths.
        // In that event it's important that we adjust the "cleaned" paths to match.
        return hydrate(
          data,
          cleaned.map(cleanedPath => cleanedPath.slice(length)),
          unserializable.map(unserializablePath =>
            unserializablePath.slice(length),
          ),
        );
      }
    }

    return hydrate(data, cleaned, unserializable);
  } else {
    return null;
  }
}