async function shouldContainInto()

in src/background.js [408:429]

• 14 lines of code
• 6 McCabe index (conditional complexity)

async function shouldContainInto (url, tab) {
  if (!url.startsWith("http")) {
    // we only handle URLs starting with http(s)
    return false;
  }

  const hasBeenAddedToFacebookContainer = await isAddedToFacebookContainer(url);

  if (isFacebookURL(url) || hasBeenAddedToFacebookContainer) {
    if (tab.cookieStoreId !== facebookCookieStoreId) {
      // Facebook-URL outside of Facebook Container Tab
      // Should contain into Facebook Container
      return facebookCookieStoreId;
    }
  } else if (tab.cookieStoreId === facebookCookieStoreId) {
    // Non-Facebook-URL inside Facebook Container Tab
    // Should contain into Default Container
    return "firefox-default";
  }

  return false;
}