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@dle.dev/ember

v3.2.0

Published

a month ago

A headless, accessible, and highly customizable accordion component for Svelte.

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0Medium
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svelte headless

@dle.dev/ember — Headless Components for Svelte

A collection of headless components for svelte 5

Install

Yarn / npm / pnpm (package name from package.json):

npm install @dle.dev/ember
# or
pnpm add @dle.dev/ember

Peer dependency: Svelte 5.

Components

Tree

A small, headless, accessible and highly-customizable nestable tree component for Svelte. The implementation stores children in a Record keyed by id, enabling O(1) lookups within a node’s children. Helper functions are provided for toggling, inserting, updating and deleting nodes.

Implementation details

The component performs DFS-style path resolution to find nodes by id using getPathToNodeById and then performs structural cloning to update/insert/delete nodes immutably. See src/lib/tree/utils.ts for the full implementations.
onMount the component normalizes nodes to ensure expanded is set to a boolean.

Development

Scripts available in package.json:

npm run dev — starts Vite dev server for the demo site.
npm run build — builds the demo and packages the svelte component.
npm run test — runs unit tests (vitest).
npm run check — runs type/svelte checkers.

Roadmap

Include a modal store

Contributing

PRs and issues welcome. Please keep changes small and add tests.

License

MIT — see License.md.