const deepClone = obj => { if (Array.isArray(obj)){ let arr = []; obj.forEach( (i,v) => (arr[i] = typeof v === 'object' ? deepClone(v) : v) ) return arr; }else { let clone = Object.assign({}, obj); Object.keys(clone).forEach( key => (clone[key] = typeof obj[key] === 'object' ? deepClone(obj[key]) : obj[key]) ); return clone; } }; module.exports = deepClone;