unicorn-components/src/components/forms/button-toggle/button-toggle.component.ts

<a target="_blank" href="https://getunicorn.io"><img src="https://bitbucket-assetroot.s3.amazonaws.com/c/photos/2017/Jul/07/2615006260-5-nitsnetsstudios-ondemand-UNI_avatar.png" align="left"></a>

import { Component, HostBinding, Input } from '@angular/core';

import { UniCheckboxComponent } from '../checkbox/checkbox.component';

@Component({
    selector: 'uni-button-toggle',
    templateUrl: 'button-toggle.component.html',
    styleUrls: ['button-toggle.component.scss'],
})
export class UniButtonToggleComponent extends UniCheckboxComponent {

    @HostBinding('class.uni-button-toggle') componentClass = true;

    @Input() icon: string;
}