Function deconstruct

src/persisters/common/partykit.ts:25–39

(
  prefix: string,
  message: string,
  stringified?: 1,
)

  (isString(payload) ? payload : jsonStringWithUndefined(payload));

export const deconstruct = (
  prefix: string,
  message: string,
  stringified?: 1,
): [type: MessageType | StorageKeyType, payload: string | any] | undefined => {
  const prefixSize = size(prefix);
  return strStartsWith(message, prefix)
    ? [
        message[prefixSize] as MessageType | StorageKeyType,
        (stringified ? jsonParseWithUndefined : string)(
          slice(message, prefixSize + 1),
        ),
      ]
    : undefined;
};