Function write

push/index.ts:140–144

(val: Buffer, _, cb)

      const gzipStream = zlib.createGzip({ level: 9 });
      const writeStream = new stream.Writable({
        write(val: Buffer, _, cb) {
          hasher.update(val, "binary");
          cacheWriter.write(val);
          cb();
        },
      });

      gzipStream.pipe(writeStream);