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js 13 lines 360 Bytes
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1 const reportWebVitals = onPerfEntry => {
2 if (onPerfEntry && onPerfEntry instanceof Function) {
3 import('web-vitals').then(({getCLS, getFID, getFCP, getLCP, getTTFB}) => {
4 getCLS(onPerfEntry);
5 getFID(onPerfEntry);
6 getFCP(onPerfEntry);
7 getLCP(onPerfEntry);
8 getTTFB(onPerfEntry);
9 });
10 }
11 };
12
13 export default reportWebVitals;