Implement the Route Manager API (RFC #1169)#21460
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Introduce a Route Manager layer between the router and route base classes so the router drives routes through a well-defined manager interface instead of calling classic Route methods directly. This decouples the router from the classic Route and is the stepping stone toward alternative route base classes and a future router. Add the manager interface, capabilities, and registration, implement a ClassicRouteManager that encapsulates today's classic Route behaviour behind it, and make router_js dispatch lifecycle, rendering, model resolution, and the classic-interop surface through the manager.
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…s on emberjs#21460 Reverts the outlet.ts compute-ref guard to the current ember-7.0.0 behavior, demonstrating that the @model-during-willDestroy instability (emberjs#18987) still reproduces on top of the Route Manager RFC implementation (emberjs#21460). The smoke-test job's '@model stability during route transitions' tests are expected to fail here. Not for merge.
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This is a big PR for a big feature.
Introduces a Route Manager layer between the router and route base classes so the router drives routes through a well-defined manager interface instead of calling classic Route methods directly. This decouples the router from the classic Route and is the stepping stone toward alternative route base classes and a future router. The classic Route behaves exactly as before, there are no changes to app authoring.
Three layers, top to bottom:
@ember/routingpublic re-exports of the authoring API@ember/-internals/routing/route-managersThe classic route manager and route manager infrastructurerouter_jsDrives the routes lifecycle through the manager, and owns the route manager contractWhy touch the container?
Route managers need to own route instantiation. The container's
route:lookups previously created route instances directly, bypassing the manager, so we intercept them and redirect through router.getRoute(...), which goes through the managerThere are a handful of places internally that use the
lookupto find a route, these can be changed but there could be public code in addons and apps that usethis.lookup('route:name'). The interception we add means this code will continue to work.Longer term, looking routes up through the container should be deprecated in favour of going through the router/manager.
Why does the outlet have a legacy path?
A handful of tests directly set the outlet state, one in particular is testing something for liquid-fire. If there are addons or user code that expects to be able to create their own render state, they will not include the route wrapper and invokable we expect from the route manager, the legacy path path lets them continue working.
Query Params
The current implementation of query params is driven by the router, I have gated the parts that directly reach into routes behind the classic interop capability of route managers. I have left the "machinery" in place in the router. When we come to replace the router, a decision will need to be made if we bridge the classic router manager to use whatever new QP implementation we come up with, or if we fully migrate the router.js QP implementation to be fully encapsulated by the classic route manager.
RFC #1169