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- if performance? and performance.now
- module.exports = -> performance.now()
- else if process? and process.hrtime
- module.exports = -> (getNanoSeconds() - nodeLoadTime) / 1e6
- hrtime = process.hrtime
- getNanoSeconds = ->
- hr = hrtime()
- hr[0] * 1e9 + hr[1]
- moduleLoadTime = getNanoSeconds()
- upTime = process.uptime() * 1e9
- nodeLoadTime = moduleLoadTime - upTime
- else if Date.now
- module.exports = -> Date.now() - loadTime
- loadTime = Date.now()
- else
- module.exports = -> new Date().getTime() - loadTime
- loadTime = new Date().getTime()
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