Function readOptionalString

loop-library/worker/src/index.js:586–602

(value, maxLength)

}

function readOptionalString(value, maxLength) {
  if (value === undefined || value === null || value === "") {
    return undefined;
  }

  if (typeof value !== "string") {
    throw new RequestError(400, "invalid_field", "The form data is invalid.");
  }

  const normalized = value.trim();

  if (normalized.length > maxLength) {
    throw new RequestError(400, "invalid_field", "The form data is invalid.");
  }

  return normalized || undefined;
}

async function verifyTurnstile(
  env,