const object=value;if(object instanceof Array){const res=new Array(object.length);for(let i=0;i<object.length;i++){res[i]=deepCopy(object[i]);}
return res;}
if(object.__proto__!==Object.prototype){throw new Error('Can only clone simple types');}
const res={};for(const key in object){res[key]=deepCopy(object[key]);}
return res;}