将对象数组合并为单个数组

Question

我有一个巨大的嵌套对象数组，看起来像这样（再添加 76 种产品，这描绘了一幅很好的画面）：

[
  {
    "ProductID": 11,
    "ProductName": "Queso Cabrales",
    "SupplierID": 5,
    "CategoryID": 4,
    "QuantityPerUnit": "1 kg pkg.",
    "UnitPrice": 21,
    "UnitsInStock": 22,
    "UnitsOnOrder": 30,
    "ReorderLevel": 30,
    "Discontinued": false,
    "orders": [
      {
        "OrderID": 10248,
        "CustomerID": "VINET",
        "EmployeeID": 5,
        "OrderDate": "1996-07-04T05:00:00.000Z",
        "RequiredDate": "1996-08-01T05:00:00.000Z",
        "ShippedDate": "1996-07-16T05:00:00.000Z",
        "ShipVia": 3,
        "Freight": 32.38,
        "ShipName": "Vins et alcools Chevalier",
        "ShipAddress": "59 rue de l'Abbaye",
        "ShipCity": "Reims",
        "ShipRegion": null,
        "ShipPostalCode": "51100",
        "ShipCountry": "France",
        "order_details": {
          "OrderID": 10248,
          "ProductID": 11,
          "UnitPrice": 14,
          "Quantity": 12,
          "Discount": 0
        }
      },
      {
        "OrderID": 10296,
        "CustomerID": "LILAS",
        "EmployeeID": 6,
        "OrderDate": "1996-09-03T05:00:00.000Z",
        "RequiredDate": "1996-10-01T05:00:00.000Z",
        "ShippedDate": "1996-09-11T05:00:00.000Z",
        "ShipVia": 1,
        "Freight": 0.12,
        "ShipName": "LILA-Supermercado",
        "ShipAddress": "Carrera 52 con Ave. Bolívar #65-98 Llano Largo",
        "ShipCity": "Barquisimeto",
        "ShipRegion": "Lara",
        "ShipPostalCode": "3508",
        "ShipCountry": "Venezuela",
        "order_details": {
          "OrderID": 10296,
          "ProductID": 11,
          "UnitPrice": 16.8,
          "Quantity": 12,
          "Discount": 0
        }
      } ... etc.

我需要遍历 Orders 和 Order_Details 并将每个 Product 的订单合并到一个数组中。一个产品有多个订单，每个订单都有一个订单详细信息，所以我的理想输出应该是这样的：

  {
        "ProductID": 11,
        "ProductName": "Queso Cabrales",
        "SupplierID": 5,
        "CategoryID": 4,
        "QuantityPerUnit": "1 kg pkg.",
        "UnitPrice": 21,
        "UnitsInStock": 22,
        "UnitsOnOrder": 30,
        "ReorderLevel": 30,
        "Discontinued": false,
        "OrderID": [10248, 10296]
        "CustomerID":[ "VINET", "LILAS"]
        "EmployeeID":[ 5,  6]
        "OrderDate":[ "1996-07-04T05:[0:[0.000Z", "1996-09-03T05:00:00.000Z"]
        "RequiredDate":[ "1996-08-01T05:[0:[0.000Z", "1996-10-01T05:00:00.000Z"]
        "ShippedDate":[ "1996-07-16T05:[0:[0.000Z", "1996-09-11T05:00:00.000Z"]
        "ShipVia":[ 3, 1]
        "Freight":[ 32.38, 0.12]
        "ShipName":[ "Vins et alcools Chevalier", "LILA-Supermercado"]
        "ShipAddress":[ "59 rue de l'Abbaye", "Carrera 52 con Ave. Bolívar #65-98 Llano Largo"]
        "ShipCity":[ "Reims", "Barquisimeto"]
        "ShipRegion":[ null, "Lara"]
        "ShipPostalCode":[ "51100", "3508"]
        "ShipCountry":[ "France", "Venezuela"]
        "OrderID":[ 10248, 10296]
        "ProductID":[ 11, 11]
        "UnitPrice":[ 14, 16.8]
        "Quantity":[ 12, 12]
        "Discount":[ 0,  0]
}

我最大的问题是：

• 以嵌套在每个 orderID 中的方式访问 order_details
• 维护 1 个产品与多个订单的关联（我设法将所有东西合并到一个巨大的阵列中，它几乎破坏了互联网）

我希望将其发送到客户端以使用 D3 进行可视化。如果您可以使用这样的数据输入来绘制堆积面积图：

var graph = {
    Spicy-Ramen: {[  
        [380.00, 12-March-2015], [420.62, 19-March-2015] 
    ]},
    Miso-Soup: {[
        [230.99, 12-April-2015], [322.60, 22-May-2015] 
    ]},
    Vegetable-Shumai: {[
        [22.99, 12-June-2015], [121.20, 29-August-2015]
    ]}
}

我使用 _.merge 和 _.assign 失败 - 任何支持或朝着正确方向轻推将不胜感激。

Answer 1

我希望我做对了，所以我建议制作几个单独的对象，例如 Products 和 Orders，其中对象的每个键都是一个元素，这样你的 Orders 对象就会是这样的：

var Orders = {
    11:{"ProductID":11,"ProductName":...},
    12:{"ProductID":12,"ProductName":...},
}

因此您可以通过其 id 轻松获取订单参数。

您可以对 order_details 执行相同的操作，但我看不出有什么理由不将其属性包含到 Orders 对象中。