codeant-ai-for-open-source[bot] commented on PR #37135:
URL: https://github.com/apache/superset/pull/37135#issuecomment-3781538317
## **Sequence Diagram**
Shows how the timeseries transformer now detects time-comparison series
(including exact name matches), derives a visible dashed pattern per time
offset, and matches comparison series color to the original series. This
captures the primary logic change in the PR.
```mermaid
sequenceDiagram
participant RawData as rawSeries (data)
participant Transformer as transformProps
participant DerivedCheck as isDerivedSeries
participant OffsetResolver as getTimeOffset
participant ECharts as echartOptions.series
RawData->>Transformer: iterate each series entry
Transformer->>DerivedCheck: isDerivedSeries(entry, formData, seriesName)
DerivedCheck-->>Transformer: true/false (detects exact-name or
metric__offset)
alt derived series
Transformer->>OffsetResolver: getTimeOffset(entry, time_compare) ||
seriesName
OffsetResolver-->>Transformer: offset key
Transformer->>Transformer: assign offset index & compute visible
dash [dash,gap]
Transformer->>ECharts: set series.lineStyle.type (visible dash) and
opacity; set connectNulls
Transformer->>DerivedCheck: find originalSeries (negate
isDerivedSeries) for color match
DerivedCheck-->>Transformer: original series found
Transformer->>ECharts: use original series key for colorScale (color
matching)
else not derived
Transformer->>ECharts: leave series as solid (no dash) and default
color
end
```
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