richard-viney

import EmberObject, { set } from "@ember/object"

class Foo extends EmberObject {
  public version!: number
}

class Bar extends EmberObject {
  public version!: number
  public name!: string // Note: removing this line makes the error below go away
}

richard-viney

import { tracked } from "@glimmer/tracking"
import { action } from "@ember/object"
import Component from "@glimmer/component"

export default class InputWrapperComponent extends Component {
  @tracked isInputVisible = true

  // Tear down the <input> on pressing enter
  @action onKeyPress(event) {
    if (event.keyCode === 13) {