Function normalizeHintField

src/utils.ts:103–122

(hint?: Hint)

 * @internal
 */
export function normalizeHintField(hint?: Hint): Hint | undefined {
  let finalHint = undefined;

  if (typeof hint === 'string') {
    finalHint = hint;
  } else if (Array.isArray(hint)) {
    finalHint = {};

    hint.forEach(param => {
      finalHint[param] = 1;
    });
  } else if (hint != null && typeof hint === 'object') {
    finalHint = {} as Document;
    for (const name in hint) {
      finalHint[name] = hint[name];
    }
  }

  return finalHint;
}

const TO_STRING = (object: unknown) => Object.prototype.toString.call(object);
/**