如何在javascript中实现基于变量的递归JSON？

function recursiveJSON(variable) {
  var result = {};

  if (typeof variable === 'object' && variable !== null) {
    if (Array.isArray(variable)) {
      result = [];
      for (var i = 0; i < variable.length; i++) {
        result.push(recursiveJSON(variable[i]));
      }
    } else {
      for (var key in variable) {
        if (variable.hasOwnProperty(key)) {
          result[key] = recursiveJSON(variable[key]);
        }
      }
    }
  } else {
    result = variable;
  }

  return result;
}

// 示例用法
var data = {
  name: 'John',
  age: 25,
  hobbies: ['reading', 'coding'],
  address: {
    street: '123 Main St',
    city: 'New York',
    country: 'USA'
  }
};

var json = recursiveJSON(data);
console.log(json);