Function convertWithClause

packages/graph/src/astToSteps.ts:798–823

* Convert a WITH clause into a WithStep.

(withClause: WithClause)

 * Convert a WITH clause into a WithStep.
 */
function convertWithClause(withClause: WithClause): WithStep {
  const items: WithItemConfig[] = withClause.items.map((item) => convertWithItem(item));

  // Convert ORDER BY if present
  // Build alias map from WITH items for alias resolution
  const aliasMap = buildWithAliasMap(withClause.items);
  const orderBy = withClause.orderBy
    ? withClause.orderBy.orders.map(
        (order) => resolveOrderItem(order, aliasMap, true), // true = use alias directly for WITH ORDER BY
      )
    : undefined;

  // Convert WHERE condition if present
  const whereCondition = withClause.where
    ? convertCondition(withClause.where.condition)
    : undefined;

  return new WithStep({
    distinct: withClause.distinct,
    items,
    orderBy,
    skip: withClause.skip,
    limit: withClause.limit,
    whereCondition,
  });
}

/**
 * Convert a WITH item AST node to a WithItemConfig.