unsubscribe()

in src/backend/util/Observable.js [537:550]

• 12 lines of code
• 4 McCabe index (conditional complexity)

    unsubscribe() {
      if (!closed) {
        closed = true;

        // Tell Observer that unsubscribe was called.
        try {
          observer.unsubscribe && observer.unsubscribe(subscription);
        } catch (error) {
          hostReportError(error, true /* isUncaughtThrownError */);
        } finally {
          doCleanup();
        }
      }
    },