Function appendI18nNodeToCollection

packages/core/src/hydration/i18n.ts:357–379

* Marks the current RNode as the hydration root for the given * AST node.

(
  context: I18nHydrationContext,
  state: I18nHydrationState,
  astNode: I18nNode,
)

 * AST node.
 */
function appendI18nNodeToCollection(
  context: I18nHydrationContext,
  state: I18nHydrationState,
  astNode: I18nNode,
) {
  const noOffsetIndex = astNode.index - HEADER_OFFSET;
  const {disconnectedNodes} = context;
  const currentNode = state.currentNode;

  if (state.isConnected) {
    context.i18nNodes.set(noOffsetIndex, currentNode);

    // We expect the node to be connected, so ensure that it
    // is not in the set, regardless of whether we found it,
    // so that the downstream error handling can provide the
    // proper context.
    disconnectedNodes.delete(noOffsetIndex);
  } else {
    disconnectedNodes.add(noOffsetIndex);
  }

  return currentNode;
}

/**
 * Skip over some sibling nodes during hydration.