Class Stats

src/utils/Stats.ts:3–24

import process from 'node:process'

export default class Stats {
  declare startTimes: Record<string, [number, number]>;
  [label: string]: unknown;

  constructor() {
    Object.defineProperties(this, {
      startTimes: { value: {} },
    })
  }

  time(label: string): void {
    this.startTimes[label] = process.hrtime()
  }

  timeEnd(label: string): void {
    const elapsed = process.hrtime(this.startTimes[label])

    if (!this[label])
      this[label] = 0
    this[label] = (this[label] as number) + elapsed[0] * 1e3 + elapsed[1] * 1e-6
  }
}