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

Faro instrumentations, metas, transports for web.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.monitorPerformanceEntries = monitorPerformanceEntries;
exports.__resetPerformanceEntriesMonitorForTests = __resetPerformanceEntriesMonitorForTests;
var faro_core_1 = require("@grafana/faro-core");
var instrumentation_1 = require("../../performance/instrumentation");
var performanceConstants_1 = require("../../performance/performanceConstants");
var const_1 = require("./const");
var performanceObservable;
var isSubscribed = false;
var subscription;
function monitorPerformanceEntries() {
    if (!performanceObservable) {
        performanceObservable = new faro_core_1.Observable();
    }
    if (!isSubscribed) {
        subscription = instrumentation_1.performanceEntriesSubscription.subscribe(function (data) {
            if (data.type === performanceConstants_1.RESOURCE_ENTRY) {
                performanceObservable.notify({ type: const_1.MESSAGE_TYPE_RESOURCE_ENTRY });
            }
        });
        isSubscribed = true;
    }
    return performanceObservable;
}
// Test-only utility to reset state between tests
function __resetPerformanceEntriesMonitorForTests() {
    if (subscription) {
        subscription.unsubscribe();
    }
    subscription = undefined;
    isSubscribed = false;
    performanceObservable = undefined;
}
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