Function cancel

lib/internal/blob.js:521–527

(reason)

      });
    },
    cancel(reason) {
      // Reject any currently pending pulls here.
      for (const pending of this.pendingPulls) {
        pending.reject(reason);
      }
      this.pendingPulls = [];
    },
  // We set the highWaterMark to 0 because we do not want the stream to
  // start reading immediately on creation. We want it to wait until read
  // is called.