javascript - 如何在各级重命名 JSON 嵌套对象中的键？

Question

{
  "ID": "5c9b2de495e8d81ef437539e",
  "WeightingFactor": "BIC",
  "TargetAmount": 1000,
  "FilterCondition": {
    "_cls": "ComplexFilter",
    "Condition": "AND",
    "Rules": [{
        "_cls": "Filter",
        "Field": "MOODYSFOREIGNCURRENCYCEILINGRATING",
        "Operator": "in list",
        "Value": "A1,A2,A3"
      },
      {
        "_cls": "Filter",
        "Field": "ASOFDATE",
        "Operator": "less or equal",
        "Value": "26 Nov 2028"
      },
      {
        "_cls": "ComplexFilter",
        "Condition": "OR",
        "Rules": [{
            "_cls": "Filter",
            "Field": "ASOFDATE",
            "Operator": "less or equal",
            "Value": "26 Nov 2028"
          },
          {
            "_cls": "Filter",
            "Field": "ASOFDATE",
            "Operator": "less or equal",
            "Value": "26 Nov 2029"
          }
        ]
      }
    ],
    "Not": false
  }
}

需要将所有地方的“field”重命名为category。请建议如何使用任何可用的方法？

尝试了字符串化和替换。但它不起作用

预期输出:

{
  "ID": "5c9b2de495e8d81ef437539e",
  "WeightingFactor": "BIC",
  "TargetAmount": 1000,
  "FilterCondition": {
    "_cls": "ComplexFilter",
    "Condition": "AND",
    "Rules": [{
        "_cls": "Filter",
        "Category": "MOODYSFOREIGNCURRENCYCEILINGRATING",
        "Operator": "in list",
        "Value": "A1,A2,A3"
      },
      {
        "_cls": "Filter",
        "Category": "ASOFDATE",
        "Operator": "less or equal",
        "Value": "26 Nov 2028"
      },
      {
        "_cls": "ComplexFilter",
        "Condition": "OR",
        "Rules": [{
            "_cls": "Filter",
            "Category": "ASOFDATE",
            "Operator": "less or equal",
            "Value": "26 Nov 2028"
          },
          {
            "_cls": "Filter",
            "Category": "ASOFDATE",
            "Operator": "less or equal",
            "Value": "26 Nov 2029"
          }
        ]
      }
    ],
    "Not": false
  }
}

Answer 1

您可以将给定 JSON 中的字符串 "field": 替换为 "category":字符串。

var json = JSON.stringify({ field: { field: 'foo' } }),
    newJSON = json.replace(/"field":/g, '"category":');

console.log(JSON.parse(newJSON));

经典的替代品

function replace(object, source, target) {
    return Object.assign(...Object.entries(object).map(([k, v]) => ({
        [k === source ? target : k]: v && typeof v === 'object'
            ? replace(v, source, target)
            : v
    })));
}

var object = { field: { field: 'foo' } },
    newObject = replace(object, 'field', 'category');

console.log(newObject);