# CirclonGroup/angular-tree-component

A simple yet powerful tree component for Angular (>=2)

Repository: https://github.com/CirclonGroup/angular-tree-component
Canonical: https://ross.abutalabs.com/products/angular-tree-component
Homepage: https://angular2-tree.readme.io/docs
Language: TypeScript
License: MIT
License Family: permissive
Topics: angular, angular5, angular2, angular4, tree-component, frontend, frontend-components, treeview, tree, typescript, typescript-library, javascript, javascript-library, library, open-source, opensource
Last push: 2024-07-17T21:58:55+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 3828, "days_push": 777, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1098, forks 484 (observed 2026-08-28T04:03:34.870225+00:00)

## What it is
A tree view UI component library for Angular 2+ applications, providing hierarchical data display with keyboard navigation, drag & drop, virtual scrolling, and customizable templates. It is published as @circlon/angular-tree-component on npm under the MIT license.

## Use cases
- render a hierarchical tree view in an Angular app
- display a file explorer with expandable folders
- add drag and drop reordering of nested nodes
- show a large tree with virtual scrolling for performance
- customize tree node rendering with Angular templates
- save and restore tree expansion and selection state

## When to choose
- you are building an Angular (2+) app and need a feature-rich tree component
- you need keyboard navigation, drag & drop, or async child loading out of the box
- you want customizable node templates and two-way state binding

## When to avoid
- you use React, Vue, or another non-Angular framework
- you need a simple flat list rather than a hierarchical tree
- you require a library with frequent updates or Angular latest-version guarantees

## Facets
- artifact type: library
- maturity: maintenance
- function: ui-components, frontend-framework
- domain: frontend, web-development, developer-tools
- platform: cross-platform
- tags: angular, treeview, tree-component, typescript, drag-and-drop, virtual-scrolling, web-server, nodejs

## Member repositories
- CirclonGroup/angular-tree-component (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:34.870225+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:46:12.376465+00:00, confidence not recorded.
  - readme: https://github.com/CirclonGroup/angular-tree-component (fetched 2026-08-28T04:03:34.870225+00:00, sha b199fad3db71)
  - homepage: https://angular2-tree.readme.io/docs (fetched 2026-08-29T12:49:29.581238+00:00, sha 7bf0694d7398)
  - site_page: https://angular2-tree.readme.io/docs/options-1 (fetched 2026-08-29T12:49:29.582907+00:00, sha d1b9dfa793be)
  - site_page: https://angular2-tree.readme.io/docs/options-2 (fetched 2026-08-29T12:49:29.584551+00:00, sha e2d6d3c5e4d4)
  - site_page: https://angular2-tree.readme.io/docs/action-mapping (fetched 2026-08-29T12:49:29.586166+00:00, sha b4fd0cabfb57)
  - site_page: https://angular2-tree.readme.io/docs/templates (fetched 2026-08-29T12:49:29.587850+00:00, sha 8b64da3e7b04)
  - site_page: https://angular2-tree.readme.io/docs/events (fetched 2026-08-29T12:49:29.589482+00:00, sha 3c5b0fa1c71d)
  - site_page: https://angular2-tree.readme.io/docs/save-restore (fetched 2026-08-29T12:49:29.591087+00:00, sha 0f374992b21e)
- Data as of 2026-08-30T08:39:29.467469+00:00.