const objectTrimmer = <T>(
  objectList: T[],
  length: number,
  {
    participatingFields = [],
    trimFromStart = true
  }: {
    participatingFields: (keyof T)[],
    trimFromStart?: boolean
  }) => {
  let participatingLength = 0
  let i = objectList.length - 1
  while (i >= 0) {
    participatingLength = 0
    for (const field of participatingFields) {
      participatingLength += JSON.stringify(objectList[i][field]).length
      if (participatingLength > length) {
        break
      }
    }
    i--
  }
  return trimFromStart ? objectList.slice(i + 1) : objectList.slice(0, i + 1)
}

export {objectTrimmer}