Function to convert object from snakeCase keys to camelCase keys

snakeCaseKeysToCamelCase.js

const convertKeysToCamelCase = (obj, onlyAtRootLevel) =>
  Object.fromEntries(
    Object.entries(obj).map(([key, val]) => [
      key.replace(/([_][a-z])/g, (group) => group.toUpperCase().replace('_', '')),
      onlyAtRootLevel || !(val instanceof Object) ? val : convertKeysToCamelCase(val)
    ])
  );