File size: 1,475 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | let clientComponentLoadStart = 0;
let clientComponentLoadTimes = 0;
let clientComponentLoadCount = 0;
export function wrapClientComponentLoader(ComponentMod) {
if (!('performance' in globalThis)) {
return ComponentMod.__next_app__;
}
return {
require: (...args)=>{
if (clientComponentLoadStart === 0) {
clientComponentLoadStart = performance.now();
}
const startTime = performance.now();
try {
clientComponentLoadCount += 1;
return ComponentMod.__next_app__.require(...args);
} finally{
clientComponentLoadTimes += performance.now() - startTime;
}
},
loadChunk: (...args)=>{
const startTime = performance.now();
try {
clientComponentLoadCount += 1;
return ComponentMod.__next_app__.loadChunk(...args);
} finally{
clientComponentLoadTimes += performance.now() - startTime;
}
}
};
}
export function getClientComponentLoaderMetrics(options = {}) {
const metrics = clientComponentLoadStart === 0 ? undefined : {
clientComponentLoadStart,
clientComponentLoadTimes,
clientComponentLoadCount
};
if (options.reset) {
clientComponentLoadStart = 0;
clientComponentLoadTimes = 0;
clientComponentLoadCount = 0;
}
return metrics;
}
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