| 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() | |