Function buildHydrationDiffNode

docs/index.js:22764–22804

(fiber, distanceFromLeaf)

        );
    }
    function buildHydrationDiffNode(fiber, distanceFromLeaf) {
      if (null === fiber.return) {
        if (null === hydrationDiffRootDEV)
          hydrationDiffRootDEV = {
            fiber: fiber,
            children: [],
            serverProps: void 0,
            serverTail: [],
            distanceFromLeaf: distanceFromLeaf
          };
        else {
          if (hydrationDiffRootDEV.fiber !== fiber)
            throw Error(
              "Saw multiple hydration diff roots in a pass. This is a bug in React."
            );
          hydrationDiffRootDEV.distanceFromLeaf > distanceFromLeaf &&
            (hydrationDiffRootDEV.distanceFromLeaf = distanceFromLeaf);
        }
        return hydrationDiffRootDEV;
      }
      var siblings = buildHydrationDiffNode(
        fiber.return,
        distanceFromLeaf + 1
      ).children;
      if (0 < siblings.length && siblings[siblings.length - 1].fiber === fiber)
        return (
          (siblings = siblings[siblings.length - 1]),
          siblings.distanceFromLeaf > distanceFromLeaf &&
            (siblings.distanceFromLeaf = distanceFromLeaf),
          siblings
        );
      distanceFromLeaf = {
        fiber: fiber,
        children: [],
        serverProps: void 0,
        serverTail: [],
        distanceFromLeaf: distanceFromLeaf
      };
      siblings.push(distanceFromLeaf);
      return distanceFromLeaf;
    }
    function warnNonHydratedInstance(fiber, rejectedCandidate) {
      didSuspendOrErrorDEV ||
        ((fiber = buildHydrationDiffNode(fiber, 0)),