function startBrowserProcess()

in packages/ice/src/utils/openBrowser.ts [69:136]
48 lines of code
11 McCabe index (conditional complexity)

function startBrowserProcess(browser, url, args) {
  // If we're on OS X, the user hasn't specifically
  // requested a different browser, we can try opening
  // Chrome with AppleScript. This lets us reuse an
  // existing tab when possible instead of creating a new one.
  const shouldTryOpenChromiumWithAppleScript =
    process.platform === 'darwin' &&
    (typeof browser !== 'string' || browser === OSX_CHROME);

  if (shouldTryOpenChromiumWithAppleScript) {
    // Will use the first open browser found from list
    const supportedChromiumBrowsers = [
      'Google Chrome Canary',
      'Google Chrome',
      'Google Chrome Dev',
      'Google Chrome Beta',
      'Microsoft Edge',
      'Brave Browser',
      'Vivaldi',
      'Chromium',
    ];

    for (let chromiumBrowser of supportedChromiumBrowsers) {
      try {
        // Try our best to reuse existing tab
        // on OSX Chromium-based browser with AppleScript
        execSync(`ps cax | grep "${chromiumBrowser}"`);
        execSync(
          `osascript openChrome.applescript "${
            encodeURI(url)
            }" "${
            chromiumBrowser
            }"`,
          {
            cwd: path.join(__dirname, '../../'),
            stdio: 'ignore',
          },
        );
        return true;
      } catch (err) {
        // Ignore errors.
      }
    }
  }

  // Another special case: on OS X, check if BROWSER has been set to "open".
  // In this case, instead of passing `open` to `opn` (which won't work),
  // just ignore it (thus ensuring the intended behavior, i.e. opening the system browser):
  // https://github.com/facebook/create-react-app/pull/1690#issuecomment-283518768
  if (process.platform === 'darwin' && browser === 'open') {
    browser = undefined;
  }

  // If there are arguments, they must be passed as array with the browser
  if (typeof browser === 'string' && args.length > 0) {
    browser = [browser].concat(args);
  }

  // Fallback to open
  // (It will always open new tab)
  try {
    let options = { app: browser, wait: false, url: true };
    open(url, options).catch(() => {}); // Prevent `unhandledRejection` error.
    return true;
  } catch (err) {
    return false;
  }
}