{"version":3,"sources":["node_modules/@azure/msal-browser/dist/telemetry/BrowserPerformanceMeasurement.mjs"],"sourcesContent":["/*! @azure/msal-browser v3.10.0 2024-02-17 */\n'use strict';\n/*\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\nclass BrowserPerformanceMeasurement {\n    constructor(name, correlationId) {\n        this.correlationId = correlationId;\n        this.measureName = BrowserPerformanceMeasurement.makeMeasureName(name, correlationId);\n        this.startMark = BrowserPerformanceMeasurement.makeStartMark(name, correlationId);\n        this.endMark = BrowserPerformanceMeasurement.makeEndMark(name, correlationId);\n    }\n    static makeMeasureName(name, correlationId) {\n        return `msal.measure.${name}.${correlationId}`;\n    }\n    static makeStartMark(name, correlationId) {\n        return `msal.start.${name}.${correlationId}`;\n    }\n    static makeEndMark(name, correlationId) {\n        return `msal.end.${name}.${correlationId}`;\n    }\n    static supportsBrowserPerformance() {\n        return (typeof window !== \"undefined\" &&\n            typeof window.performance !== \"undefined\" &&\n            typeof window.performance.mark 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window.performance.clearMeasures(measureName);\n                        window.performance.clearMarks(BrowserPerformanceMeasurement.makeStartMark(measureName, correlationId));\n                        window.performance.clearMarks(BrowserPerformanceMeasurement.makeEndMark(measureName, correlationId));\n                    }\n                });\n            }\n            catch (e) {\n                // Silently catch and return null\n            }\n        }\n    }\n    startMeasurement() {\n        if (BrowserPerformanceMeasurement.supportsBrowserPerformance()) {\n            try {\n                window.performance.mark(this.startMark);\n            }\n            catch (e) {\n                // Silently catch\n            }\n        }\n    }\n    endMeasurement() {\n        if (BrowserPerformanceMeasurement.supportsBrowserPerformance()) {\n            try {\n                window.performance.mark(this.endMark);\n                window.performance.measure(this.measureName, this.startMark, this.endMark);\n            }\n            catch (e) {\n                // Silently catch\n            }\n        }\n    }\n    flushMeasurement() {\n        if (BrowserPerformanceMeasurement.supportsBrowserPerformance()) {\n            try {\n                const entriesForMeasurement = window.performance.getEntriesByName(this.measureName, \"measure\");\n                if (entriesForMeasurement.length > 0) {\n                    const durationMs = entriesForMeasurement[0].duration;\n                    window.performance.clearMeasures(this.measureName);\n                    window.performance.clearMarks(this.startMark);\n                    window.performance.clearMarks(this.endMark);\n                    return durationMs;\n                }\n            }\n            catch (e) {\n                // Silently catch and return null\n            }\n        }\n        return null;\n    }\n}\n\nexport { BrowserPerformanceMeasurement 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