remap.function.js

// using lodash library
const reMap=(custom_schema,conversion_schema,data)=>{
  const actualKeys=conversion_schema;
  const availableKeys=_.values(custom_schema);
  const missingKeys=_.difference(actualKeys,availableKeys);
  if(!_.isArray(data))
    return createObject(custom_schema,missingKeys,data);
  else
    return reMapAll(custom_schema,missingKeys,data);
}