Comments (5)
Possible resolution on check-nils branch currently at 61dbd88
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On further reflection, I don't want to prohibit start/stop from returning nil. There are legitimate use cases for that, such as a component that wishes to remove itself from the system after starting. But I may still be able to throw a different error message when a dependency is nil versus when the key is missing.
from component.
A less-restrictive possibility on the nil-error branch currently at fb89150 — return a specific error message for the case when a component's value is nil
, and suggest the probable cause in the error message.
from component.
I have applied the error-message change from fb89150 in release version 0.2.3.
from component.
I know that this is a day late and a dollar short. But, FWIW, this works great for me. Thank you!
from component.
Related Issues (20)
- Cljs source files requiring component break refresh for clj code HOT 9
- Question: Whether it should be okay to pass system record directly to a special component HOT 1
- still dependent on IoC container? HOT 1
- Startup with asynchronous components? HOT 8
- Add an option to log components/keys as they are started HOT 1
- start/stop don't call a component's start/stop when there is no dependencies in the system map... HOT 1
- init.el helper fns HOT 1
- How to inject db transaction per http request? HOT 1
- Reloading with component *without* introducing global state HOT 1
- Feature request: add system key metadata to components HOT 1
- :extend-via-metadata in 0.4.0 breaks on ClojureScript < 1.10.516 HOT 2
- Component includes org.clojure/clojure as a transitive dependency HOT 5
- Non-associative components? HOT 2
- Cleaning up component dependencies by default HOT 2
- Make it possible to start a subsystem? HOT 4
- Provide an example explaining the ?essence? of the components idea
- Keys of already started components for `::component/component-function-threw-exception` HOT 2
- ec alpha
- Multiple dependencies of same "type" HOT 1
- Using ECS lib for getting rid of deftypes/defrecords/defprotocols HOT 2
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