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'use strict';
const common = require('../common.js');
const {
PerformanceObserver,
performance,
} = require('perf_hooks');
function createTimingInfo({
startTime = 0,
redirectStartTime = 0,
redirectEndTime = 0,
postRedirectStartTime = 0,
finalServiceWorkerStartTime = 0,
finalNetworkRequestStartTime = 0,
finalNetworkResponseStartTime = 0,
endTime = 0,
encodedBodySize = 0,
decodedBodySize = 0,
finalConnectionTimingInfo = null
}) {
if (finalConnectionTimingInfo !== null) {
finalConnectionTimingInfo.domainLookupStartTime =
finalConnectionTimingInfo.domainLookupStartTime || 0;
finalConnectionTimingInfo.domainLookupEndTime =
finalConnectionTimingInfo.domainLookupEndTime || 0;
finalConnectionTimingInfo.connectionStartTime =
finalConnectionTimingInfo.connectionStartTime || 0;
finalConnectionTimingInfo.connectionEndTime =
finalConnectionTimingInfo.connectionEndTime || 0;
finalConnectionTimingInfo.secureConnectionStartTime =
finalConnectionTimingInfo.secureConnectionStartTime || 0;
finalConnectionTimingInfo.ALPNNegotiatedProtocol =
finalConnectionTimingInfo.ALPNNegotiatedProtocol || [];
}
return {
startTime,
redirectStartTime,
redirectEndTime,
postRedirectStartTime,
finalServiceWorkerStartTime,
finalNetworkRequestStartTime,
finalNetworkResponseStartTime,
endTime,
encodedBodySize,
decodedBodySize,
finalConnectionTimingInfo,
};
}
const bench = common.createBenchmark(main, {
n: [1e5],
observe: ['resource'],
});
function test() {
const timingInfo = createTimingInfo({ finalConnectionTimingInfo: {} });
performance.markResourceTiming(
timingInfo,
'http://localhost:8080',
'fetch',
{},
''
);
}
function main({ n, observe }) {
const obs = new PerformanceObserver(() => {
bench.end(n);
});
obs.observe({ entryTypes: [observe], buffered: true });
bench.start();
for (let i = 0; i < 1e5; i++)
test();
}
|
