safe-json-value/build/src/key.js

⛑️ JSON serialization should never fail

export const omitInvalidKey=({parent,key,prop,changes,path})=>{
if(typeof key==="symbol"){

changes.push({
path,
oldValue:prop,
newValue:undefined,
reason:"ignoredSymbolKey"
});
return{prop:undefined,validKey:false}
}

if(!isEnum.call(parent,key)&&!Array.isArray(parent)){

changes.push({
path,
oldValue:prop,
newValue:undefined,
reason:"ignoredNotEnumerable"
});
return{prop:undefined,validKey:false}
}

return{prop,validKey:true}
};

const{propertyIsEnumerable:isEnum}=Object.prototype;