# Angular Version Era Folder Map

This repository is organized primarily by concern, not by Angular major version.
The map below groups the current Angular skill folders by the version era they
most commonly serve.

## 2-12

Primary upgrade path:

- `skills/angular/upgrades/hops/angular-2-to-4/`
- `skills/angular/upgrades/hops/angular-4-to-5/`
- `skills/angular/upgrades/hops/angular-5-to-6/`
- `skills/angular/upgrades/hops/angular-6-to-7/`
- `skills/angular/upgrades/hops/angular-7-to-8/`
- `skills/angular/upgrades/hops/angular-8-to-9/`
- `skills/angular/upgrades/hops/angular-9-to-10/`
- `skills/angular/upgrades/hops/angular-10-to-11/`
- `skills/angular/upgrades/hops/angular-11-to-12/`

Supporting folders that commonly matter in this era:

- `skills/angular/versioning/`
- `skills/angular/upgrades/workspace/`
- `skills/angular/upgrades/rxjs/`
- `skills/angular/upgrades/http/`
- `skills/angular/upgrades/i18n/`
- `skills/angular/upgrades/ivy/`
- `skills/angular/upgrades/libraries/`
- `skills/angular/upgrades/service-worker/`
- `skills/angular/upgrades/testing/`

## 12-15

Primary upgrade path:

- `skills/angular/upgrades/hops/angular-12-to-13/`
- `skills/angular/upgrades/hops/angular-13-to-14/`
- `skills/angular/upgrades/hops/angular-14-to-15/`

Supporting folders that commonly matter in this era:

- `skills/angular/upgrades/router/`
- `skills/angular/upgrades/forms/`
- `skills/angular/upgrades/material/`
- `skills/angular/upgrades/ssr/`
- `skills/angular/upgrades/components/`
- `skills/angular/upgrades/templates/`
- `skills/angular/upgrades/di/`
- `skills/angular/upgrades/changelog/`
- `skills/angular/upgrades/deprecations/`
- `skills/angular/upgrades/debug/`
- `skills/angular/upgrades/browser-support/`

## 15-19

Primary upgrade path:

- `skills/angular/upgrades/hops/angular-15-to-16/`
- `skills/angular/upgrades/hops/angular-16-to-17/`
- `skills/angular/upgrades/hops/angular-17-to-18/`
- `skills/angular/upgrades/hops/angular-18-to-19/`

Supporting folders that commonly matter in this era:

- `skills/angular/modernization/`
- `skills/angular/architecture/`
- `skills/angular/signals/`
- `skills/angular/state/`
- `skills/angular/performance/`
- `skills/angular/security/`
- `skills/angular/ssr/`
- `skills/angular/testing/`
- `skills/angular/forms/`
- `skills/angular/router/`
- `skills/angular/templates/`
- `skills/angular/upgrades/standalone/`
- `skills/angular/upgrades/signals/`
- `skills/angular/upgrades/zoneless/`
- `skills/angular/upgrades/zone/`
- `skills/angular/upgrades/resources/`
- `skills/angular/upgrades/hydration/`
- `skills/angular/upgrades/hybrid/`
- `skills/angular/upgrades/modules/`

## 20-22

Primary upgrade path currently available:

- `skills/angular/upgrades/hops/angular-19-to-20/`
- `skills/angular/upgrades/hops/angular-20-to-21/`

Angular 22 now has dedicated concern-first skills in:

- `skills/angular/modernization/`
- `skills/angular/signals/`
- `skills/angular/performance/`
- `skills/angular/security/`
- `skills/angular/ssr/`
- `skills/angular/testing/`
- `skills/angular/forms/`
- `skills/angular/router/`
- `skills/angular/templates/`
- `skills/angular/build/`
- `skills/angular/components/`
- `skills/angular/modules/`
- `skills/angular/resources/`
- `skills/angular/zone/`
- `skills/angular/zoneless/`

The older upgrade satellites still live under:

- `skills/angular/upgrades/build/`
- `skills/angular/upgrades/components/`
- `skills/angular/upgrades/forms/`
- `skills/angular/upgrades/modules/`
- `skills/angular/upgrades/resources/`
- `skills/angular/upgrades/ssr/`
- `skills/angular/upgrades/templates/`
- `skills/angular/upgrades/testing/`
- `skills/angular/upgrades/zone/`
- `skills/angular/upgrades/zoneless/`

## Angular 22 Gap Still Open

The catalog still does not include an `angular-21-to-22` hop skill yet.
That hop should be created next if the upgrade path itself is needed.