Function calcPathBetween

packages/core/src/hydration/node_lookup_utils.ts:347–350

(from: Node, to: Node, fromNodeName: string)

 *   using the path generated by this function.
 */
export function calcPathBetween(from: Node, to: Node, fromNodeName: string): string | null {
  const path = navigateBetween(from, to);
  return path === null ? null : compressNodeLocation(fromNodeName, path);
}

/**
 * Invoked at serialization time (on the server) when a set of navigation