import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer, SafeHtml, SafeStyle, SafeScript, SafeUrl,
         SafeResourceUrl } from '@angular/platform-browser';

@Pipe({
  name: 'safeDom'
})
export class SafeDomPipe implements PipeTransform {

  constructor( private domSanitizer:DomSanitizer ){
  }

public  transform(value: any, type: string): SafeHtml | SafeStyle | SafeScript | SafeUrl | SafeResourceUrl {
      switch (type) {
  			case 'html': return this.domSanitizer.bypassSecurityTrustHtml(value);
  			case 'style': return this.domSanitizer.bypassSecurityTrustStyle(value);
  			case 'script': return this.domSanitizer.bypassSecurityTrustScript(value);
  			case 'url': return this.domSanitizer.bypassSecurityTrustUrl(value);
  			case 'resourceUrl': return this.domSanitizer.bypassSecurityTrustResourceUrl(value);
  			default: throw new Error(`Invalid safe type specified: ${type}`);
  		}
    }
}