{"version":3,"file":"BrowserPerformanceMeasurement.js","sources":["../../src/telemetry/BrowserPerformanceMeasurement.ts"],"sourcesContent":["/*\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { IPerformanceMeasurement } from \"@azure/msal-common\";\n\nexport class BrowserPerformanceMeasurement implements IPerformanceMeasurement {\n    private measureName: string;\n    private correlationId: string;\n    private startMark: string;\n    private endMark: string;\n\n    constructor(name: string, correlationId: string) {\n        this.correlationId = correlationId;\n        this.measureName = `msal.measure.${name}.${this.correlationId}`;\n        this.startMark = `msal.start.${name}.${this.correlationId}`;\n        this.endMark = `msal.end.${name}.${this.correlationId}`;\n    }\n\n    static supportsBrowserPerformance(): boolean {\n        return typeof window !== \"undefined\" &&\n            typeof window.performance !== \"undefined\" &&\n            typeof window.performance.mark === \"function\" && \n            typeof window.performance.measure === \"function\" &&\n            typeof window.performance.clearMarks === \"function\" &&\n            typeof window.performance.clearMeasures === \"function\" &&\n            typeof window.performance.getEntriesByName === \"function\";\n    }\n\n    startMeasurement(): void {\n        if (BrowserPerformanceMeasurement.supportsBrowserPerformance()) {\n            try {\n                window.performance.mark(this.startMark);\n            } catch (e) {\n                // Silently catch\n            }\n        }\n    }\n\n    endMeasurement():void {\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\n    flushMeasurement(): number | null {\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}\n"],"names":[],"mappings":";;AAAA;;;;;IAaI,uCAAY,IAAY,EAAE,aAAqB;QAC3C,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QACnC,IAAI,CAAC,WAAW,GAAG,kBAAgB,IAAI,SAAI,IAAI,CAAC,aAAe,CAAC;QAChE,IAAI,CAAC,SAAS,GAAG,gBAAc,IAAI,SAAI,IAAI,CAAC,aAAe,CAAC;QAC5D,IAAI,CAAC,OAAO,GAAG,cAAY,IAAI,SAAI,IAAI,CAAC,aAAe,CAAC;KAC3D;IAEM,wDAA0B,GAAjC;QACI,OAAO,OAAO,MAAM,KAAK,WAAW;YAChC,OAAO,MAAM,CAAC,WAAW,KAAK,WAAW;YACzC,OAAO,MAAM,CAAC,WAAW,CAAC,IAAI,KAAK,UAAU;YAC7C,OAAO,MAAM,CAAC,WAAW,CAAC,OAAO,KAAK,UAAU;YAChD,OAAO,MAAM,CAAC,WAAW,CAAC,UAAU,KAAK,UAAU;YACnD,OAAO,MAAM,CAAC,WAAW,CAAC,aAAa,KAAK,UAAU;YACtD,OAAO,MAAM,CAAC,WAAW,CAAC,gBAAgB,KAAK,UAAU,CAAC;KACjE;IAED,wDAAgB,GAAhB;QACI,IAAI,6BAA6B,CAAC,0BAA0B,EAAE,EAAE;YAC5D,IAAI;gBACA,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;aAC3C;YAAC,OAAO,CAAC,EAAE;;aAEX;SACJ;KACJ;IAED,sDAAc,GAAd;QACI,IAAI,6BAA6B,CAAC,0BAA0B,EAAE,EAAE;YAC5D,IAAI;gBACA,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;gBACtC,MAAM,CAAC,WAAW,CAAC,OAAO,CAAC,IAAI,CAAC,WAAW,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;aAC9E;YAAC,OAAO,CAAC,EAAE;;aAEX;SACJ;KACJ;IAED,wDAAgB,GAAhB;QACI,IAAI,6BAA6B,CAAC,0BAA0B,EAAE,EAAE;YAC5D,IAAI;gBACA,IAAM,qBAAqB,GAAG,MAAM,CAAC,WAAW,CAAC,gBAAgB,CAAC,IAAI,CAAC,WAAW,EAAE,SAAS,CAAC,CAAC;gBAC/F,IAAI,qBAAqB,CAAC,MAAM,GAAG,CAAC,EAAE;oBAClC,IAAM,UAAU,GAAG,qBAAqB,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC;oBACrD,MAAM,CAAC,WAAW,CAAC,aAAa,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC;oBACnD,MAAM,CAAC,WAAW,CAAC,UAAU,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;oBAC9C,MAAM,CAAC,WAAW,CAAC,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;oBAC5C,OAAO,UAAU,CAAC;iBACrB;aACJ;YAAC,OAAO,CAAC,EAAE;;aAEX;SACJ;QACD,OAAO,IAAI,CAAC;KACf;IACL,oCAAC;AAAD,CAAC;;;;"}