Function close

lib/internal/webstreams/adapters.js:272–281

()

    },

    close() {
      if (closed === undefined && !isWritableEnded(streamWritable)) {
        closed = PromiseWithResolvers();
        streamWritable.end();
        return closed.promise;
      }

      controller = undefined;
      return PromiseResolve();
    },
  }, strategy);
}