Angular2 - is it possible to get component class name using selector name

Question

Is it possible to get component class name or component reference using selector name in Angular 2?

@Component({
  selector: 'selector-1',
  template: '<h1>Hello</h1>',
})
export class Component1 {}

@Component({
      selector: 'selector-2',
      template: '<h1>Hello</h1>',
    })
    export class Component2 {}

In component 2 is it possible to get the component1 class name using selector "selector-1"?

Example:

getComponentName(selectorName) {
 // return component name
}

getComponentName('selector-1');

Thanks in advance

kemsky · Accepted Answer · 2017-11-03 13:36:21Z

4

It is possible without additional work only if you do not call enableProdMode:

var node = document.querySelector('selector-1');
var debugNode = window.ng.probe(node);
var name = debugNode.componentInstance.constructor.name;

Otherwise you will have to maintain component map yourself.

answered Nov 3, 2017 at 13:36

kemsky

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