message: Remove left-side assignment of document
diff: @@ -38,7 +38,7 @@ export default class Modal {
  )
  const App = boot(ModalApp, props)
  - document?.body.style.overflow = 'hidden'
  + document.body.style.overflow = 'hidden'
  mount(App, this.el)
  }
  @@ -51,6 +51,6 @@ export default class Modal {
  unmount(this.el)
  this.el.parentNode.removeChild(this.el)
  - document?.body.style.overflow = 'auto'
  + document.body.style.overflow = 'auto'
  }
  }
  