Function end

lib/internal/fs/promises.js:1012–1036

(options = kNullPrototo)

      },

      end(options = kNullPrototo) {
        if (error) {
          return PromiseReject(error);
        }
        if (closed) {
          return PromiseResolve(totalBytesWritten);
        }
        if (closing) {
          return pendingEndPromise;
        }
        validateObject(options, 'options');
        const {
          signal,
        } = options;
        if (signal !== undefined) {
          validateAbortSignal(signal, 'options.signal');
          if (signal.aborted) {
            return PromiseReject(signal.reason);
          }
        }
        closing = true;
        pendingEndPromise = PromisePrototypeThen(
          cleanup(), () => totalBytesWritten);
        return pendingEndPromise;
      },

      endSync() {
        if (error) return -1;