Function jsonStringWithUndefined

test/unit/persisters/common/mocks.ts:52–55

(obj: unknown)

const SET_HOST = 'http://set.com';

const jsonStringWithUndefined = (obj: unknown): string =>
  JSON.stringify(obj, (_key, value) =>
    value === undefined ? UNDEFINED_MARKER : value,
  );

const jsonParseWithUndefined = (str: string): any =>
  JSON.parse(str, (_key, value) =>