import React from 'react' class Base { set data(value: number) { console.log('data changed to ' + value) } set name(value: number) { console.log('name changed to ' + value) } } class Derived extends Base { // No longer triggers a 'console.log' // when using 'useDefineForClassFields'. // @ts-ignore name = 10 constructor() { super() //triggers a 'console.log' this.data = 10 } } export default function DerivedView() { const obj = new Derived() return ( <>