{"version":3,"sources":["node_modules/@azure/msal-browser/dist/telemetry/BrowserPerformanceMeasurement.mjs"],"sourcesContent":["/*! @azure/msal-browser v3.7.0 2024-01-09 */\n'use strict';\n\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\" && typeof window.performance !== \"undefined\" && typeof window.performance.mark === \"function\" && typeof window.performance.measure === \"function\" && typeof window.performance.clearMarks === \"function\" && typeof window.performance.clearMeasures === \"function\" && typeof window.performance.getEntriesByName === \"function\";\n  }\n  /**\n   * Flush browser marks and measurements.\n   * @param {string} correlationId\n   * @param {SubMeasurement} measurements\n   */\n  static flushMeasurements(correlationId, measurements) {\n    if (BrowserPerformanceMeasurement.supportsBrowserPerformance()) {\n      try {\n        measurements.forEach(measurement => {\n          const measureName = BrowserPerformanceMeasurement.makeMeasureName(measurement.name, correlationId);\n          const entriesForMeasurement = window.performance.getEntriesByName(measureName, \"measure\");\n          if (entriesForMeasurement.length > 0) {\n            window.performance.clearMeasures(measureName);\n            window.performance.clearMarks(BrowserPerformanceMeasurement.makeStartMark(measureName, correlationId));\n            window.performance.clearMarks(BrowserPerformanceMeasurement.makeEndMark(measureName, correlationId));\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      } 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      } 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      } catch (e) {\n        // Silently catch and return null\n      }\n    }\n    return null;\n  }\n}\nexport { BrowserPerformanceMeasurement 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