src/app/components/polymer/paper-card/paper-card.component.ts
import { ChangeDetectionStrategy, Component, EventEmitter, Input, Output } from '@angular/core';
@Component({
selector: 'pcard',
templateUrl: './paper-card.component.html',
styleUrls: ['./paper-card.component.css'],
changeDetection: ChangeDetectionStrategy.OnPush
})
export class PaperCardComponent {
@Input() heading: string;
@Input() symbol = false;
@Input() expand = false;
@Output() expandChange: EventEmitter<any> = new EventEmitter();
}