javascript - 用对象内部的对象过滤数组

我在过滤带有嵌套对象的数组时遇到问题。

[{
    "firstName": "Kevin",
    "lastName": "Smith",
    "expenses": {
      "drink1": 25,
      "drink2": 20
    }
  },
  {
    "firstName": "John",
    "lastName": "Rambo",
    "expenses": {
      "coffe": 10,
      "cake": 20
    }
  }
]

我想获取所有费用之和大于35的对象。如何获得expenses呢？也许在这里过滤不是正确的方法。

最佳答案

只需使用filter对其进行编码，条件是使用reduce来汇总费用!非常简单:)

const input = [{
    "firstName": "Kevin",
    "lastName": "Smith",
    "expenses": {
      "drink1": 26,
      "drink2": 20
    }
  },
  {
    "firstName": "John",
    "lastName": "Rambo",
    "expenses": {
      "coffe": 10,
      "cake": 20
    }
  }
];

const output = input.filter(user => Object.values(user.expenses).reduce((acc, expense) => acc + expense) > 45);
console.log(output);