@grafana/faro-web-sdk
Version:
Faro instrumentations, metas, transports for web.
37 lines • 2.07 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.observeResourceTimings = observeResourceTimings;
const faro_core_1 = require("@grafana/faro-core");
const url_1 = require("../../utils/url");
const performanceConstants_1 = require("./performanceConstants");
const performanceUtils_1 = require("./performanceUtils");
const DEFAULT_TRACK_RESOURCES = { initiatorType: ['xmlhttprequest', 'fetch'] };
function observeResourceTimings(faroNavigationId, pushEvent, observable) {
const trackResources = faro_core_1.faro.config.trackResources;
const observer = new PerformanceObserver((observedEntries) => {
const entries = observedEntries.getEntries();
for (const resourceEntryRaw of entries) {
if ((0, url_1.isUrlIgnored)(resourceEntryRaw.name)) {
continue;
}
observable === null || observable === void 0 ? void 0 : observable.notify({
type: performanceConstants_1.RESOURCE_ENTRY,
});
const resourceEntryJson = resourceEntryRaw.toJSON();
let spanContext = (0, performanceUtils_1.getSpanContextFromServerTiming)(resourceEntryJson === null || resourceEntryJson === void 0 ? void 0 : resourceEntryJson.serverTiming);
if ((trackResources == null && (0, performanceUtils_1.includePerformanceEntry)(resourceEntryJson, DEFAULT_TRACK_RESOURCES)) ||
trackResources) {
const faroResourceEntry = Object.assign(Object.assign({}, (0, performanceUtils_1.createFaroResourceTiming)(resourceEntryJson)), { faroNavigationId, faroResourceId: (0, faro_core_1.genShortID)() });
pushEvent('faro.performance.resource', faroResourceEntry, undefined, {
spanContext,
timestampOverwriteMs: performance.timeOrigin + resourceEntryJson.startTime,
});
}
}
});
observer.observe({
type: performanceConstants_1.RESOURCE_ENTRY,
buffered: true,
});
}
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