roulette-wheel/src/components/base-component.ts

export abstract class Component<T extends HTMLElement> {
    el: T;

    constructor(el: T){
        this.el = el;
    }

    removeChildren() {
        if(this.el.childNodes.length > 0){
            while(this.el.firstChild){
                this.el.removeChild(this.el.firstChild);
            }
        }
    }
}