import {Selection} from './SrlVisualizerNoSelection';
import Srl from "../data/Srl";
class EditHistory {
    history: {srl:Srl,selection:Selection,selectedFrame: null|number}[]=[];
    push(srl:Srl, selection:Selection, selectedFrame:null|number) {
        this.history.push({srl, selection, selectedFrame});
    }
    pop():{srl:Srl,selection:Selection,selectedFrame: null|number}|undefined {
        return this.history.pop();
    }
    isEmpty():boolean {
        return this.history.length<=0;
    }
}
export default EditHistory;