Class PerformanceManager

Constructors

constructor

Properties

compressionCache config metrics

Methods

applyCachingHeaders clearCompressionCache clearMetrics compressBrotli compressGzip compressResponse createQueryTimeout createResponseTimeTracker generateETag generateLastModified getAveragePayloadSize getAverageResponseTime getCompressionCacheSize getMemoryUsage getMetrics getOptimizationSuggestions minifyJSON monitorConnectionPool optimizeResponse recordMetrics validatePayloadSize

Constructors

constructor

Properties

Private compressionCache

compressionCache: Map<string, Buffer> = ...

Private config

config: SecureBackendConfig

Private metrics

metrics: PerformanceMetrics[] = []

Methods

applyCachingHeaders

  • applyCachingHeaders(res, data, maxAge?): void

  • Parameters

    • res: any
    • data: string | Buffer
    • Optional maxAge: number

    Returns void

clearCompressionCache

  • clearCompressionCache(): void

  • Returns void

clearMetrics

  • clearMetrics(): void

  • Returns void

Private compressBrotli

  • compressBrotli(data): Promise<{
        data: Buffer;
        encoding: string;
    }>

  • Parameters

    • data: string | Buffer

    Returns Promise<{
        data: Buffer;
        encoding: string;
    }>

Private compressGzip

  • compressGzip(data): Promise<{
        data: Buffer;
        encoding: string;
    }>

  • Parameters

    • data: string | Buffer

    Returns Promise<{
        data: Buffer;
        encoding: string;
    }>

compressResponse

  • compressResponse(data, acceptEncoding): Promise<null | {
        data: Buffer;
        encoding: string;
    }>

  • Parameters

    • data: string | Buffer
    • acceptEncoding: string

    Returns Promise<null | {
        data: Buffer;
        encoding: string;
    }>

createQueryTimeout

  • createQueryTimeout(timeoutMs?): Promise<never>

  • Parameters

    • timeoutMs: number = 5000

    Returns Promise<never>

createResponseTimeTracker

  • createResponseTimeTracker(): ((req, res, next) => void)

  • Returns ((req, res, next) => void)

      • (req, res, next): void

      • Parameters

        • req: any
        • res: any
        • next: any

        Returns void

generateETag

  • generateETag(data): string

  • Parameters

    • data: string | Buffer

    Returns string

generateLastModified

  • generateLastModified(): string

  • Returns string

getAveragePayloadSize

  • getAveragePayloadSize(): number

  • Returns number

getAverageResponseTime

  • getAverageResponseTime(): number

  • Returns number

getCompressionCacheSize

  • getCompressionCacheSize(): number

  • Returns number

getMemoryUsage

  • getMemoryUsage(): MemoryUsage

  • Returns MemoryUsage

getMetrics

getOptimizationSuggestions

  • getOptimizationSuggestions(): string[]

  • Returns string[]

minifyJSON

  • minifyJSON(data): string

  • Parameters

    • data: any

    Returns string

monitorConnectionPool

  • monitorConnectionPool(pool): void

  • Parameters

    • pool: any

    Returns void

optimizeResponse

  • optimizeResponse(data): {
        data: any;
        size: number;
    }

  • Parameters

    • data: any

    Returns {
        data: any;
        size: number;
    }

    • data: any
    • size: number

recordMetrics

  • recordMetrics(requestTime, payloadSize): void

  • Parameters

    • requestTime: number
    • payloadSize: number

    Returns void

validatePayloadSize

  • validatePayloadSize(payload, maxSize): boolean

  • Parameters

    • payload: string | Buffer
    • maxSize: number

    Returns boolean

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constructorcompressionCacheconfigmetricsapplyCachingHeadersclearCompressionCacheclearMetricscompressBrotlicompressGzipcompressResponsecreateQueryTimeoutcreateResponseTimeTrackergenerateETaggenerateLastModifiedgetAveragePayloadSizegetAverageResponseTimegetCompressionCacheSizegetMemoryUsagegetMetricsgetOptimizationSuggestionsminifyJSONmonitorConnectionPooloptimizeResponserecordMetricsvalidatePayloadSize