How to clone class instance in TypeScript?

Question

I have instance of class:

let i = new I();

before adding to array I need clone it, create a copy:

arr.push(i);

I have tried:

Object.assign({}, i)

Does this answer your question? [How do I clone a JavaScript class instance?](https://stackoverflow.com/questions/16024940/how-do-i-clone-a-javascript-class-instance) — Tiberiu Maran, Mar 30 '20 at 10:56

score 5 · Accepted Answer · answered Mar 30 '20 at 11:07

You can try the following code, it should work.

 let i = new I();
 //const clone = Object.assign({}, i);
 //arr.push(clone);
 //const clone = JSON.parse(JSON.stringify(i));
 //arr.push(clone);
 const clone = Object.create(
      Object.getPrototypeOf(i), 
      Object.getOwnPropertyDescriptors(i) 
  );
 arr.push(clone);

How to clone class instance in TypeScript?

1 Answers1