What's the best alternative to update nested React state property with setState()?

Question

I\'ve been thinking about what would be the best way among these options to update a nested property using React setState() method. I\'m also opened to more efficient methods co

Answer 1

Use the spread operator

  let {foo} = this.state;

  foo = {
    ...foo,
    bar: baz
  }

  this.setState({
    foo
  })