graphql-timing.js

  app.use("/graphql", (req, res, next) => {
    const startHrTime = process.hrtime();

    res.on("finish", () => {
      if (req.body && req.body.operationName) {
        const elapsedHrTime = process.hrtime(startHrTime);
        const elapsedTimeInMs =
          elapsedHrTime[0] * 1000 + elapsedHrTime[1] / 1e6;
        logger.info({
          type: "timing",
          name: req.body.operationName,
          ms: elapsedTimeInMs
        });
      }
    });

    next();
  });