Method pull

lib/internal/fs/promises.js:364–374

(controller)

      autoAllocateChunkSize: 16384,

      async pull(controller) {
        const view = controller.byobRequest.view;
        const { bytesRead } = await readFn(view, view.byteOffset, view.byteLength);

        if (bytesRead === 0) {
          controller.close();
          await ondone();
        }

        controller.byobRequest.respond(bytesRead);
      },

      async cancel() {
        await ondone();