src/app/core/message/message.component.ts
import { Component, OnInit, Input } from '@angular/core';
@Component({
selector: 'app-message',
templateUrl: './message.component.html',
styleUrls: ['./message.component.css']
})
export class MessageComponent implements OnInit {
@Input() type: 'success' | 'error' | 'warning' | 'info';
constructor() { }
ngOnInit() {
}
}