Function optionalString

loop-library/worker/src/loop-schema.js:185–201

(value, field, maxLength)

}

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

  if (typeof value !== "string") {
    throw new LoopValidationError(`${field} must be a string.`);
  }

  const normalized = value.trim();

  if (normalized.length > maxLength) {
    throw new LoopValidationError(`${field} must be no longer than ${maxLength} characters.`);
  }

  return normalized || undefined;
}

function stringArray(value, field, { min, max, itemMax }) {
  if (!Array.isArray(value) || value.length < min || value.length > max) {