async function maybeReopenAlreadyOpenTabs()

in src/background.js [431:470]

• 28 lines of code
• 9 McCabe index (conditional complexity)

async function maybeReopenAlreadyOpenTabs () {
  const tabsOnUpdated = (tabId, changeInfo, tab) => {
    if (changeInfo.url && tabsWaitingToLoad[tabId]) {
      // Tab we're waiting for switched it's url, maybe we reopen
      delete tabsWaitingToLoad[tabId];
      maybeReopenTab(tab.url, tab);
    }
    if (tab.status === "complete" && tabsWaitingToLoad[tabId]) {
      // Tab we're waiting for completed loading
      delete tabsWaitingToLoad[tabId];
    }
    if (!Object.keys(tabsWaitingToLoad).length) {
      // We're done waiting for tabs to load, remove event listener
      browser.tabs.onUpdated.removeListener(tabsOnUpdated);
    }
  };

  // Query for already open Tabs
  const tabs = await browser.tabs.query({});
  tabs.map(async tab => {
    if (tab.url === "about:blank") {
      if (tab.status !== "loading") {
        return;
      }
      // about:blank Tab is still loading, so we indicate that we wait for it to load
      // and register the event listener if we haven't yet.
      //
      // This is a workaround until platform support is implemented:
      // https://bugzilla.mozilla.org/show_bug.cgi?id=1447551
      // https://github.com/mozilla/multi-account-containers/issues/474
      tabsWaitingToLoad[tab.id] = true;
      if (!browser.tabs.onUpdated.hasListener(tabsOnUpdated)) {
        browser.tabs.onUpdated.addListener(tabsOnUpdated);
      }
    } else {
      // Tab already has an url, maybe we reopen
      maybeReopenTab(tab.url, tab);
    }
  });
}