Class Dir

packages/core/test/acceptance/component_spec.ts:957–964

    it('should throw if a required model input is accessed too early', () => {
      @Directive({selector: '[dir]'})
      class Dir {
        value = model.required<number>();

        constructor() {
          this.value();
        }
      }

      @Component({
        template: '<div [(value)]="value" dir></div>',