Sparkline cell renderer

Live in demo 11-stock-market.

When

In-cell mini-charts of a value series, rendered via inline SVG.

How

Key API surface:

• renderSnippet(SparklineCell, { points: row.trend })

See the demo source for the full implementation; this recipe pins the pattern + the surface so you can copy-paste it confidently. The doc page that explains the underlying feature in depth is linked from the recipes index.

See also

• Demo 11-stock-market source
• Demo 11-stock-market prompt sidecar - drop into an LLM context window
• Recipes index