Function isPropertyAccessExpression

packages/graph/src/astToSteps.ts:2583–2597

* Helper to check if an expression is a property access

(
  item: import("./AST.js").ReturnItem,
)

 * Helper to check if an expression is a property access
 */
function isPropertyAccessExpression(
  item: import("./AST.js").ReturnItem,
): { variable: string; property: string } | null {
  if (item.variable && item.property) {
    return { variable: item.variable, property: item.property };
  }
  const expr = item.expression;
  if (expr && typeof expr === "object" && "type" in expr) {
    if (expr.type === "PropertyAccess") {
      const prop = expr as import("./AST.js").PropertyAccess;
      return { variable: prop.variable, property: prop.property };
    }
  }
  return null;
}

/**
 * Convert RETURN clause to appropriate steps.