Map snake_case to camelCase recursively

map-snake-to-camel.js

const delimiterRegEx = /(_\w)/g;
export function convertSnakeToCamelCase (str) {
  return str.replace(delimiterRegEx, ([delimiter, firstChar]) =>
    firstChar.toUpperCase()
  );
}

export const convertKeysToCamelCase = obj =>
  Object.entries(obj).reduce((prev, [key, value]) => {
    if (value && typeof value === 'object') {
      prev[convertSnakeToCamelCase(key)] = convertKeysToCamelCase(value);
    } else {
      prev[convertSnakeToCamelCase(key)] = value;
    }
    return prev;
  }, {});