Version Packages (next)

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next is currently in pre mode so this branch has prereleases rather than normal releases. If you want to exit prereleases, run changeset pre exit on next.

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Releases

layerchart@2.0.0-next.60

Minor Changes

• breaking: Move heavy-dep components into sub-path exports (#845)

  The following components are no longer re-exported from 'layerchart' and must be imported from new sub-paths:

  • 'layerchart/geo' — GeoCircle, GeoClipPath, GeoEdgeFade, GeoLegend, GeoPath, GeoPoint, GeoProjection, GeoRaster, GeoSpline, GeoTile, GeoVisible, Graticule, TileImage
  • 'layerchart/hierarchy' — Tree, Treemap, Pack, Partition
  • 'layerchart/force' — ForceSimulation
  • 'layerchart/graph' — Dagre, Sankey, Chord, Ribbon

  This isolates each group's external d3 dependency (@dagrejs/dagre ~22 KB, d3-geo ~15 KB, d3-force ~7 KB, d3-hierarchy ~6 KB, d3-sankey ~6 KB, d3-chord ~2 KB) behind an opt-in import — defending against bundlers that don't tree-shake the root barrel cleanly.

  Voronoi/Hull stay at root (already lazy-loaded via TooltipContext). Contour/Density/Raster/BoxPlot/Violin/Threshold and high-level charts (LineChart, BarChart, etc.) remain at root.

  Migration: update affected imports, e.g.

  -import { Tree, GeoPath, ForceSimulation } from 'layerchart';
  +import { Tree } from 'layerchart/hierarchy';
  +import { GeoPath } from 'layerchart/geo';
  +import { ForceSimulation } from 'layerchart/force';

Patch Changes

• perf: Lazy-load opt-in features in core path (#845)

  5 components/dependencies that previously sat in every <Chart> user's sync graph are now dynamically imported only when the corresponding feature is used:

  • BrushContext in Chart — only loads when <Chart brush={...}> is set (default undefined)
  • DefaultTooltip in ChartChildren — only loads when tooltipContext is set and no custom tooltip snippet is provided
  • d3-quadtree in TooltipContext — only loads when mode is 'quadtree', 'quadtree-x', or 'quadtree-y'
  • Spline in Grid — only loads when rendering radial linear grid lines (<Chart radial> with radialY="linear")
  • Bar in Highlight — only loads when <Chart highlight={{ bar: ... }}> is set (default false)

  Result: ~10 KB gz off core (115.6 → 105.25 KB) and comparable savings on every cartesian/geo/graph/hierarchy scenario, with no impact on rendered output for users who already opt into these features.

  Also switches internal @layerstack/svelte-actions imports from the barrel (@layerstack/svelte-actions) to sub-paths (@layerstack/svelte-actions/styles, @layerstack/svelte-actions/portal). No production bundle effect — bundlers already tree-shake the unused popover.js — but it stops the Svelte REPL/CDN from eagerly fetching @floating-ui/dom (popover's transitive dep) when consumers load layerchart from a CDN.