layerchart
LayerChart Skill
LayerChart is a comprehensive Svelte visualization framework built on Layer Cake, providing composable components for creating responsive, interactive charts across multiple visualization types.
Core Architecture
LayerChart operates on a component-based, data-driven philosophy. The library provides three primary categories of components:
Data-Driven Components render visual marks directly from data (Area, Bars, Spline, Pie, Sunburst, Treemap, Sankey, etc.). These components automatically handle scale transformations through LayerCake's context.
Motion-Enabled SVG Primitives (Rect, Circle, Arc, Group, Line, Path) provide low-level drawing utilities with built-in Svelte transition support for animated data updates.
Utility Components handle legends, tooltips, pan/zoom interactions, annotations, and layout operations (hierarchy, geo projections).
Visualization Types
- Cartesian: Bar, Area, Stack, Scatter, Histogram, ClevelandDotPlot, BarStack, BarGroup
- Radial: Pie, Arc, Sunburst, Threshold
- Hierarchical: Pack, Tree, Treemap, Partition
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