search-with-chatgpt-powered-by-openai-extension/background/open-chat.js

export async function openChat(browser, url, openIn) {
  if (openIn === 'new-window') {
    try {
      await browser.windows.create({ url });
      return;
    } catch { /* Fall back to a tab. */ }
  }
  await browser.tabs.create({ url, active: openIn !== 'background-tab' });
}