Luxar Viewer API Documentation - v2026.9.22
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    • R3: Sum of OPFS health-failure counters surfaced on CacheMetrics.l2. Used to decide whether the L2 "ERRORS" card should render in error vs dimmed color.

      Parameters

      • l2:
            | {
                size: number;
                count: number;
                reads: number;
                writes: number;
                misses: number;
                canceledReads?: number;
                activeReads?: number;
                queuedReads?: number;
                quotaWriteSkipped?: number;
                writeFailures?: number;
                corruptedEntries?: number;
                metadataParseFailures?: number;
            }
            | undefined
        • {
              size: number;
              count: number;
              reads: number;
              writes: number;
              misses: number;
              canceledReads?: number;
              activeReads?: number;
              queuedReads?: number;
              quotaWriteSkipped?: number;
              writeFailures?: number;
              corruptedEntries?: number;
              metadataParseFailures?: number;
          }
          • size: number
          • count: number
          • reads: number

            Successful gets (= L2 hits).

          • writes: number
          • misses: number

            Failed gets (file not present, size mismatch, I/O error).

          • OptionalcanceledReads?: number

            Reads canceled before filesystem I/O.

          • OptionalactiveReads?: number
          • OptionalqueuedReads?: number
          • OptionalquotaWriteSkipped?: number

            R3: surface OPFS health counters so the cache tab can render them inline (rather than only signalling them via the cache-errors-detected / quota-constrained badges). Each is optional — providers that don't expose them simply omit the field and the UI degrades to a "no errors" indicator.

          • OptionalwriteFailures?: number
          • OptionalcorruptedEntries?: number
          • OptionalmetadataParseFailures?: number
        • undefined

      Returns number