@opentelemetry/instrumentation-document-load
Version:
OpenTelemetry instrumentation for document load operations in browser applications
54 lines • 1.95 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
import { otperformance } from '@opentelemetry/core';
import { hasKey, PerformanceTimingNames as PTN, } from '@opentelemetry/sdk-trace-web';
import { EventNames } from './enums/EventNames';
export const getPerformanceNavigationEntries = () => {
const entries = {};
const performanceNavigationTiming = otperformance.getEntriesByType?.('navigation')[0];
if (performanceNavigationTiming) {
const keys = Object.values(PTN);
keys.forEach((key) => {
if (hasKey(performanceNavigationTiming, key)) {
const value = performanceNavigationTiming[key];
if (typeof value === 'number') {
entries[key] = value;
}
}
});
}
else {
// // fallback to previous version
const perf = otperformance;
const performanceTiming = perf.timing;
if (performanceTiming) {
const keys = Object.values(PTN);
keys.forEach((key) => {
if (hasKey(performanceTiming, key)) {
const value = performanceTiming[key];
if (typeof value === 'number') {
entries[key] = value;
}
}
});
}
}
return entries;
};
const performancePaintNames = {
'first-paint': EventNames.FIRST_PAINT,
'first-contentful-paint': EventNames.FIRST_CONTENTFUL_PAINT,
};
export const addSpanPerformancePaintEvents = (span) => {
const performancePaintTiming = otperformance.getEntriesByType?.('paint');
if (performancePaintTiming) {
performancePaintTiming.forEach(({ name, startTime }) => {
if (hasKey(performancePaintNames, name)) {
span.addEvent(performancePaintNames[name], startTime);
}
});
}
};
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