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