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const reportWebVitals = onPerfEntry => { | |
if (onPerfEntry && onPerfEntry instanceof Function) { | |
import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => { | |
getCLS(onPerfEntry); | |
getFID(onPerfEntry); | |
getFCP(onPerfEntry); | |
getLCP(onPerfEntry); | |
getTTFB(onPerfEntry); | |
}); | |
} | |
}; | |
export default reportWebVitals; | |