Function isDestroyed

github-actions/browserstack/set-browserstack-env.js:1332–1335

(body)

        return null;
      }
      function isDestroyed(body) {
        var _a;
        return body && !!(body.destroyed || body[kDestroyed] || ((_a = stream.isDestroyed) == null ? void 0 : _a.call(stream, body)));
      }
      function destroy(stream2, err) {
        if (stream2 == null || !isStream(stream2) || isDestroyed(stream2)) {
          return;