@grafana/faro-web-sdk/dist/esm/instrumentations/_internal/monitors/performanceEntriesMonitor.js

Faro instrumentations, metas, transports for web.

import { Observable } from '@grafana/faro-core';
import { performanceEntriesSubscription } from '../../performance/instrumentation';
import { RESOURCE_ENTRY } from '../../performance/performanceConstants';
import { MESSAGE_TYPE_RESOURCE_ENTRY } from './const';
let performanceObservable;
let isSubscribed = false;
let subscription;
export function monitorPerformanceEntries() {
    if (!performanceObservable) {
        performanceObservable = new Observable();
    }
    if (!isSubscribed) {
        subscription = performanceEntriesSubscription.subscribe((data) => {
            if (data.type === RESOURCE_ENTRY) {
                performanceObservable.notify({ type: MESSAGE_TYPE_RESOURCE_ENTRY });
            }
        });
        isSubscribed = true;
    }
    return performanceObservable;
}
// Test-only utility to reset state between tests
export function __resetPerformanceEntriesMonitorForTests() {
    if (subscription) {
        subscription.unsubscribe();
    }
    subscription = undefined;
    isSubscribed = false;
    performanceObservable = undefined;
}
//# sourceMappingURL=performanceEntriesMonitor.js.map