There's already a proposal for field declarations, where you can do the following: class Foo { bar = () => { console.log(this); } } This bas

There's already a proposal for field declarations, where you can do the following: class Foo { bar = () => { console.log(this); } } This basically puts `this.bar = () => console.log(this)` in the constructor, and since it's an arrow function it captures the correct context. See https://github.com/tc39/proposal-class-fields https://github.com/tc39/proposal-class-fields.