Interface: ChartDescription
The accessible description of a chart.
Properties
| Property | Modifier | Type | Description |
|---|---|---|---|
axes | readonly | readonly string[] | One sentence per axis. |
label | readonly | string | The accessible name: config.ariaLabel, layout.meta.description, or title + summary. |
overview | readonly | string | The generated summary of trends and extremes (E17.2), e.g. "k$ by Month. Revenue rises from 12 (Jan 1, 2024) to 19 (Jun 1, 2024). It peaks at 21 (May 1, 2024)."; empty while its code loads, with config.a11y.summaries: false, or when no trace reports an insight. |
summary | readonly | string | Chart type(s) and trace count, e.g. "Line and bar chart with 3 traces." |
tables | readonly | readonly DescribedTable[] | - |
traces | readonly | readonly string[] | One summary per trace (visible or legend-only). |