Function $RefreshSig$

packages/react-refresh/src/__tests__/ReactFresh-test.js:90–93

(type, key, forceReset, getCustomHooks)

  }

  function $RefreshSig$(type, key, forceReset, getCustomHooks) {
    ReactFreshRuntime.setSignature(type, key, forceReset, getCustomHooks);
    return type;
  }

  // Note: This is based on a similar component we use in www. We can delete
  // once the extra div wrapper is no longer necessary.