Kevin Powell - Community•2y ago

Is it a good practice to put functions inside of class objects?

I am currently making a class called MainRESTHandler and it's going to have many functions, so I wanted to categorise the many functions in various objects. For example

export class MainRESTHandler {
  constructor() {
    this.auth.register = this.auth.register.bind(this);
    this.restaurants.location = this.restaurants.location.bind(this);
  }

  auth = {
    register() {
      // ...
    }
  }

  restaurants = {
    location() {
      // ...
    }
  }
}

export class MainRESTHandler {
  constructor() {
    this.auth.register = this.auth.register.bind(this);
    this.restaurants.location = this.restaurants.location.bind(this);
  }

  auth = {
    register() {
      // ...
    }
  }

  restaurants = {
    location() {
      // ...
    }
  }
}

3 Replies

Antonio WangOP•2y ago

Hmm, probably isn't the best way as I'm using TypeScript and typings don't really work ideally there...I'll stick with the old way I guess

13eck•2y ago

Here's the thing with classes: it automatically handles the prototype for you so all of your methods inside the class are shared among all the various instances of MainRESTHandlers. So if you have a lot of them then you'll want a class with the methods declared within so you're not duplicating code.

Antonio WangOP•2y ago

I see

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Programming

Is it a good practice to put functions inside of class objects?