Window Strategy - Web/Native

window.js

class Window {
  contructor(type) {
    switch (type) {
      case 'Native':
        this.strategy = new NativeWindow()
        break;
        
      case 'Web':
        this.strategy = new WebWindow()
        break;
        
      default:
        throw new Error(`Strategy ${type} not implemented`)
    }
  }
  
  height = () => this.strategy.height()
  width = () => this.strategy.width()
}

class NativeWindow {
  constructor() {
    this.window = Dimensions.get('window')
  }
  
  height = () => this.window.height
  width = () => this.window.width
}

class WebWindow {
  height = () => window.height
  width = () => window.width
}