layerchart-svelte5

LayerChart Svelte 5 patterns. Use for chart components with tooltip snippets, Chart context access, and all Svelte 5 snippet patterns for tooltips, gradients, highlights, and axes.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/layerchart-svelte5

SKILL.md

LayerChart Svelte 5

Use next.layerchart.com docs (NOT layerchart.com - that's Svelte 4).

Quick Start

svelte

<Chart {data} x="date" y="value" tooltip={{ mode: 'bisect-x' }}>
	<Svg>
		<Axis placement="left" grid rule />
		<Area
			class="fill-primary/20"
			line={{ class: 'stroke-primary' }}
		/>
		<Highlight points lines />
	</Svg>
	<Tooltip.Root>
		{#snippet children({ data })}
			<Tooltip.Header>{data.date}</Tooltip.Header>
			<Tooltip.Item label="Value" value={data.value} />
		{/snippet}
	</Tooltip.Root>
</Chart>

Core Patterns

Tooltip: {#snippet children({ data })} - NOT let:data
Chart context: {#snippet children({ context })}
Gradient: {#snippet children({ gradient })}
Must enable: tooltip={{ mode: 'band' | 'bisect-x' | 'quadtree' }}

Tooltip Modes

Mode	Use Case
`band`	Bar charts (scaleBand)
`bisect-x`	Time-series area/line
`quadtree-x`	Area (nearest x)
`quadtree`	Scatter plots

Type the Snippet