Variable CacheMetricsConst

Type Declaration

• estimateProfileSize: function

  • estimateProfileSize(
        profileId: string,
        resources: ResourceWithUrl[],
        options?: { maxSamples?: number; headConcurrency?: number },
    ): Promise<
        {
            totalSize: number;
            totalSizeFormatted: string;
            byType: SizeByType;
            sampleCount: number;
            resourceCounts: {
                total: number;
                tiles: number;
                layers: number;
                config: number;
                others: number;
            };
        },
    >

    Estimate profile size before download Uses HEAD requests on sample resources

    Parameters

    • profileId: string

      Profile ID

    • resources: ResourceWithUrl[]

      Array of resource objects

    • Optionaloptions: { maxSamples?: number; headConcurrency?: number } = {}

      Options { maxSamples: 50 }

    Returns Promise<
        {
            totalSize: number;
            totalSizeFormatted: string;
            byType: SizeByType;
            sampleCount: number;
            resourceCounts: {
                total: number;
                tiles: number;
                layers: number;
                config: number;
                others: number;
            };
        },
    >

    Estimation { totalSize, byType: {...}, sampleCount }

    Example

    const estimate = await metrics.estimateProfileSize('myprofile', resources);
    console.log(`Estimated size: ${estimate.totalSizeFormatted}`);
    console.log(`Breakdown: ${estimate.byType.tiles} tiles, ${estimate.byType.layers} layers`);
    Copy

• formatBytes: function

  • formatBytes(bytes: number, decimals?: number): string

    Format bytes to human-readable string

    Parameters

    • bytes: number

      Size in bytes

    • Optionaldecimals: number = 2

      Decimal places

    Returns string

    Formatted string (e.g., "1.23 MB")