add = {
    component: (e) => {
        props = [...props, def.component(e)]
        view.component(props.length - 1)();
    },
    light: (type: string) => () => {
        lights = [...lights, def.light[type]];
        view.light(lights.length - 1)();
    }
    effect: (type: string) => () => {
        effects = [...effects, def.effect[type]];
        view.effect(effects.length - 1)();
    }
}