unicorn-components/src/components/utils/separator/separator.component.ts

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

@Component({
    selector: 'uni-separator',
    template: '<hr class="uni-separator__line">',
    styleUrls: ['separator.component.scss'],
})
export class UniSeparatorComponent {

    @HostBinding('class.uni-separator') componentClass = true;
}