convertPropertyNamesToCamelCase.js

/**
 * eg:
 * { __createdAt: 'monday', order_id: 123, some_field_: 'abc' } =>
 * { createdAt: 'monday', orderId: 123, someField: 'abc' }
 */
function convertPropertyNamesToCamelCase(object) {
  const newObject = {};

  _.mapKeys(object, (value, prop) => {
    const newProp = prop
      .replace(/^_*/, '')
      .replace(/_*$/, '')
      .replace(/(_[a-z])/g, (group0) => group0.toUpperCase().replace('_', ''));

    newObject[newProp] = value;
  });

  return newObject;
}