* feat(region-routing): P1 tagging + region_routes primitive + read/write API + preview launcher - config.py: add Coverage.region_tagging (bool=False); add RegionRouteMatrix dataclass (enabled, cells) above NotificationsConfig; add region_routes field to NotificationsConfig; add explicit hydration branch for region_routes in _dict_to_dataclass mirroring destinations pattern. - coverage_area.py: add MonitoringArea.name (str|None=None, frozen); update areas_from_config to preserve name; refactor inline geom extraction from classify_event_areas into shared _event_geom_json helper; add matching_area_names(geom_json, areas)->list[str] (additive, all named matches, config-order, deduped; gate unchanged); add event_region_names convenience wrapper. - coverage_filter.py: add region_tagging ctor kwarg; stamp event.region/ regions before the gate when region_tagging=True and areas non-empty and not event.regions (never clobbers satpass preset). - pipeline/__init__.py: wire region_tagging into CoverageFilter construction. - notification_routes.py: add GET /notifications/regions (named coverage area names, config-order, deduped); GET /notifications/region-routing (matrix as JSON); POST /notifications/region-routing (explicit RMW — only region_routes changes, toggles/rules/destinations survive). - scripts/preview_dashboard.py: mesh-free launcher — dashboard API only, no mesh connector, no broadcast loop; vite runs separately. All 87 coverage tests pass; 300 total pass; 6 pre-existing failures unchanged (adapter config count mismatch + MeshCore EventType.NEW_CONTACT). * feat(region-routing): manual region x family matrix editor page Adds RegionRoutingMatrix.tsx — a plain editor over the region_routes config primitive. Rows = families (via useFamilies()), cols = regions (from GET /api/notifications/regions). Each cell exposes MT channel (ChannelPicker single + includeDisabled), MC channel name (text input), min_severity select (routine/priority/critical/immediate), and an enabled checkbox. Only cells where MT or MC is set are included in the sparse POST payload. Master enable toggle maps to top-level enabled. MT budget guard warns when more than 7 distinct MT indices are in use. Sticky family column; horizontal scroll for wide region sets. Registers route /region-routing in App.tsx and adds "Region Routing" nav entry (Map icon) under the Meshtastic section in Layout.tsx, immediately after Routing. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * fix(region-routing): regions endpoint reads saved (disk) coverage so routing columns are dynamic without a bot restart; preview reloads config after writes * feat(routing): unify MT/MC routing into per-family cards; region routing as an in-card expand; remove rules/destinations UI + standalone page * refactor(routing): move Meshtastic Routing from /notifications to /meshtastic/routing (mirror /meshcore/routing); redirect legacy path * feat(region-routing): dispatcher honors region_routes matrix (authoritative-on-match, per-region cooldown, per-channel dedup); non-matrix path unchanged Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * fix(region-routing): matrix dedup key must match boot-restore 2-tuple form (prevents restart re-broadcast flood); regression test --------- Co-authored-by: Matt Johnson <mj@k7zvx.com> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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react-transition-group 
ATTENTION! To address many issues that have come up over the years, the API in v2 and above is not backwards compatible with the original
React addon (v1-stable).For a drop-in replacement for
react-addons-transition-groupandreact-addons-css-transition-group, use the v1 release. Documentation and code for that release are available on thev1-stablebranch.We are no longer updating the v1 codebase, please upgrade to the latest version when possible
A set of components for managing component states (including mounting and unmounting) over time, specifically designed with animation in mind.
Documentation
TypeScript
TypeScript definitions are published via DefinitelyTyped and can be installed via the following command:
npm install @types/react-transition-group
Examples
Clone the repo first:
git@github.com:reactjs/react-transition-group.git
Then run npm install (or yarn), and finally npm run storybook to start a storybook instance that you can navigate to in your browser to see the examples.