see how long things take, without the fuckery of perf_hooks, so it's probably not terribly accurate, but it's easy

timer.js

// usage:
// const timer = new Timer("timerName");
// doThing();
// timer.measure("didThing");
// await doThing2();
// timer.measure("didThing2");
// timer.report();
// ┌─────────┬─────────────┬───────────────┬──────────┬───────────┐
// │ (index) │    name     │     time      │ duration │ sincePrev │
// ├─────────┼─────────────┼───────────────┼──────────┼───────────┤
// │    0    │  'didThing' │ 1623960178569 │   502    │    502    │
// │    1    │ 'didThing2' │ 1623960180577 │   2510   │   2008    │
// └─────────┴─────────────┴───────────────┴──────────┴───────────┘

module.exports = class Timer {
    constructor(name) {
        this.name = name;
        this.epoch = Date.now();
        this.measurements = [];
    }

    measure(name) {
        const time = Date.now();

        this.measurements.push({
            name,
            time,
            duration : time - this.epoch,
            sincePrev : time - (
                this.measurements.length ?
                    this.measurements[this.measurements.length - 1].time :
                    this.epoch
                )
        });
    }

    report() {
        console.table(this.measurements);
    }
};