import { JSONPath } from 'jsonpath-plus';

class TestData {
  #value;
  
  constructor(value) {
    this.#value = value;
  }

  get value() {
    return this.#value;
  }

  toJSON() {
    return { jsonValue: this.value };
  }

  someValue = 33;
}

const data = new TestData(11);
console.log(data); // TestData {someValue: 33}
console.log(data.value); // 11
console.log(data['value']); // 11
console.log(JSON.stringify(data)); // {"jsonValue":11}

const val = JSONPath({ path: '$.value', json: data });
const val1 = JSONPath({ path: '$.jsonValue', json: data });
const val2 = JSONPath({ path: '$.#value', json: data });
const val3 = JSONPath({ path: '$.someValue', json: data });

console.log(val); // [] - expected [11]
console.log(val1); // []
console.log(val2); // []
console.log(val3); // [33]

console.log(Object.prototype.hasOwnProperty.call(data, 'value')); // false
console.log('value' in data); // true