Function resolveOrderValue

packages/graph/src/Steps.ts:3995–4023

(
  item: unknown,
  key: string | undefined,
  expression?: ConditionValue,
  context?: QueryContext,
)

}

function resolveOrderValue(
  item: unknown,
  key: string | undefined,
  expression?: ConditionValue,
  context?: QueryContext,
): unknown {
  if (expression !== undefined) {
    if (item instanceof TraversalPath) {
      return resolveConditionValue(item, expression, context);
    }
    return undefined;
  }

  if (key === undefined) {
    return item instanceof TraversalPath ? item.value : item;
  }

  if (item instanceof TraversalPath) {
    // First try to get the value as a bound variable (for aliases like UNWIND x)
    // then fall back to property access (for expressions like ORDER BY n.name)
    return item.get(key)?.value ?? item.property(key as never);
  }

  if (typeof item === "object" && item !== null) {
    return (item as Record<string, unknown>)[key];
  }

  return undefined;
}

export interface UnionStepConfig extends StepConfig {}