importing images from context

importAll(r) {
    let k = r.keys().map(n => n.replace('./',''));
    let map = r.keys().map(r);
    return (((o,a,b)=>(a.forEach((c,i)=>o[c]=b[i])||o)))({},k,map);
  }

importAll(require.context('./assets', false, /\.(png|jpe?g|svg)$/))