function cloneObject(o) {
if(!o || 'object' !== typeof o) {
return o;
}
var c = 'function' === typeof o.pop ? [] : {};
var p, v;
for(p in o) {
if(o.hasOwnProperty(p)) {
v = o[p];
if(v && 'object' === typeof v) {
c[p] = clone(v);
}
else {
c[p] = v;
}
}
}
return c;
};
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