smarttime/ts/smarttime.classes.hrtmeasurement.ts
2017-08-16 14:29:12 +02:00

46 lines
958 B
TypeScript

import * as process from 'process'
/**
* easy high resolution time measurement
*/
export class HrtMeasurement {
nanoSeconds: number = null
milliSeconds: number = null
private _hrTimeStart = null
private _hrTimeStopDiff = null
private _started: boolean = false
/**
* start the measurement
*/
start () {
this._started = true
this._hrTimeStart = process.hrtime()
}
/**
* stop the measurement
*/
stop () {
if (this._started === false) {
console.log('Hasn\'t started yet')
return
}
this._hrTimeStopDiff = process.hrtime(this._hrTimeStart)
this.nanoSeconds = (this._hrTimeStopDiff[0] * 1e9) + this._hrTimeStopDiff[1]
this.milliSeconds = this.nanoSeconds / 1000000
return this
}
/**
* reset the measurement
*/
reset () {
this.nanoSeconds = null
this.milliSeconds = null
this._hrTimeStart = null
this._hrTimeStopDiff = null
this._started = false
}
}