Function computeCacheKey

src/app/chartCache.ts:104–127

(
    chartType: string,
    encodingMap: any,
    config: any,
    tableRowCount: number,
    tableContentHash: string | undefined,
    tableId: string,
    tableMetadata?: any,
    activeVariantId?: string,
    activeVariantSpec?: any,
)

 * for the data sizes involved (~KB range).
 */
export function computeCacheKey(
    chartType: string,
    encodingMap: any,
    config: any,
    tableRowCount: number,
    tableContentHash: string | undefined,
    tableId: string,
    tableMetadata?: any,
    activeVariantId?: string,
    activeVariantSpec?: any,
): string {
    return JSON.stringify({
        chartType,
        encodingMap,
        config: config || {},
        tableRowCount,
        tableContentHash: tableContentHash || tableId,
        tableMetadata: tableMetadata || {},
        // Variant fields are intentionally last so default-chart cache keys
        // are stable across versions that didn't track variants.
        activeVariantId: activeVariantId || null,
        activeVariantSpec: activeVariantSpec || null,
    });
}