* Improve `debug_handler` to use the correct span for specific bounds
This results in better localised error messages, as they now point
directly to the corresponding argument instead of to the macro itself.
* Improve some error messages behind a `nightly-error-messages` feature
flag
This uses the nightly only `rustc_on_unimplemented` attribute to improve
some error messages when users try to use invalid handler functions.
This should be seen as prove of concept, not as full solution for all
potential error cases.
The underlying feature is currently marked as permanently unstable, but
I'm working on getting this specific attribute (or an attribute with
different name, similar functionality) ready to work on a stable compiler.
* Apply suggestions from code review
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* Enable the `nightly-error-messages` feature unconditionally for nightly compilers
* Use a nightly compiler to run the axum-marcos compile fail tests
* update to newer nightly
* Run axum-macros tests on nightly
* tweak compile error hints a bit
* more tweaks
* update test
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
Co-authored-by: David Pedersen <david.pdrsn@gmail.com>
Previously
```rust
handler.layer(RequestBodyLimitLayer::new(...)).with_state(...)
```
didn't work because we required the same request body all the way
through.
* Add a dedicated error message for state type inference issues
* Generate valid code even if state type can't be inferred
* Also error on state type inference for debug_handler
* Support `State` with `#[derive(FromRequest[Parts])]`
Fixes https://github.com/tokio-rs/axum/issues/1314
This makes it possible to extract things via `State` in
`#[derive(FromRequet)]`:
```rust
struct Foo {
state: State<AppState>,
}
```
The state can also be inferred in a lot of cases so you only need to
write:
```rust
struct Foo {
// since we're using `State<AppState>` we know the state has to be
// `AppState`
state: State<AppState>,
}
```
Same for
```rust
struct Foo {
#[from_request(via(State))]
state: AppState,
}
```
And
```rust
struct AppState {}
```
I think I've covered all the edge cases but there are (unsurprisingly) a
few.
* make sure things can be combined with other extractors
* main functions in ui tests don't need to be async
* Add test for multiple identicaly state types
* Add failing test for multiple states
* Refactor proc-macro attribute parsing
* Remove `#[allow(warnings)]` which was accidentally committed
* Change span for "cannot use `rejection` without `via`" error for enums
* fix test
* Add missing leading double colon
* Separate handling of last element in FromRequest derive
* FromRequestParts derive
* fix it and add lots of tests
* docs
* changelog
* Update axum-macros/src/lib.rs
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
Co-authored-by: David Pedersen <david.pdrsn@gmail.com>
* Only allow last extractor to mutate the request
* Change `FromRequest` and add `FromRequestParts` trait (#1275)
* Add `Once`/`Mut` type parameter for `FromRequest` and `RequestParts`
* 🪄
* split traits
* `FromRequest` for tuples
* Remove `BodyAlreadyExtracted`
* don't need fully qualified path
* don't export `Once` and `Mut`
* remove temp tests
* depend on axum again
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* Port `Handler` and most extractors (#1277)
* Port `Handler` and most extractors
* Put `M` inside `Handler` impls, not trait itself
* comment out tuples for now
* fix lints
* Reorder arguments to `Handler` (#1281)
I think `Request<B>, Arc<S>` is better since its consistent with
`FromRequest` and `FromRequestParts`.
* Port most things in axum-extra (#1282)
* Port `#[derive(TypedPath)]` and `#[debug_handler]` (#1283)
* port #[derive(TypedPath)]
* wip: #[debug_handler]
* fix #[debug_handler]
* don't need itertools
* also require `Send`
* update expected error
* support fully qualified `self`
* Implement FromRequest[Parts] for tuples (#1286)
* Port docs for axum and axum-core (#1285)
* Port axum-extra (#1287)
* Port axum-extra
* Update axum-core/Cargo.toml
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* remove `impl FromRequest for Either*`
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* New FromRequest[Parts] trait cleanup (#1288)
* Make private module truly private again
* Simplify tuple FromRequest implementation
* Port `#[derive(FromRequest)]` (#1289)
* fix tests
* fix docs
* revert examples
* fix docs link
* fix intra docs links
* Port examples (#1291)
* Document wrapping other extractors (#1292)
* axum-extra doesn't need to depend on axum-core (#1294)
Missed this in https://github.com/tokio-rs/axum/pull/1287
* Add `FromRequest` changes to changelogs (#1293)
* Update changelog
* Remove default type for `S` in `Handler`
* Clarify which types have default types for `S`
* Apply suggestions from code review
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* remove unused import
* Rename `Mut` and `Once` (#1296)
* fix trybuild expected output
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* begin threading the state through
* Pass state to extractors
* make state extractor work
* make sure nesting with different states work
* impl Service for MethodRouter<()>
* Fix some of axum-macro's tests
* Implement more traits for `State`
* Update examples to use `State`
* consistent naming of request body param
* swap type params
* Default the state param to ()
* fix docs references
* Docs and handler state refactoring
* docs clean ups
* more consistent naming
* when does MethodRouter implement Service?
* add missing docs
* use `Router`'s default state type param
* changelog
* don't use default type param for FromRequest and RequestParts
probably safer for library authors so you don't accidentally forget
* fix examples
* minor docs tweaks
* clarify how to convert handlers into services
* group methods in one impl block
* make sure merged `MethodRouter`s can access state
* fix docs link
* test merge with same state type
* Document how to access state from middleware
* Port cookie extractors to use state to extract keys (#1250)
* Updates ECOSYSTEM with a new sample project (#1252)
* Avoid unhelpful compiler suggestion (#1251)
* fix docs typo
* document how library authors should access state
* Add `RequestParts::with_state`
* fix example
* apply suggestions from review
* add relevant changes to axum-extra and axum-core changelogs
* Add `route_service_with_tsr`
* fix trybuild expectations
* make sure `SpaRouter` works with routers that have state
* Change order of type params on FromRequest and RequestParts
* reverse order of `RequestParts::with_state` args to match type params
* Add `FromRef` trait (#1268)
* Add `FromRef` trait
* Remove unnecessary type params
* format
* fix docs link
* format examples
* Avoid unnecessary `MethodRouter`
* apply suggestions from review
Co-authored-by: Dani Pardo <dani.pardo@inmensys.com>
Co-authored-by: Jonas Platte <jplatte+git@posteo.de>
* Support `#[from_request(via(...))]` on enums
* Check `#[from_request]` on variants
* check for non enum/struct and clean up
* changelog
* changelog
* remove needless feature
* changelog ref
* Handle structs without fields
* Support opt-out of derived rejection traits
* Handle duplicate opt outs
* Improve error if opting out of `Display` or `Debug` but not `Error`
* document `rejection_derive`
* Handle using both `via` and `rejection_derive`
* don't derive debug for `RejectionDeriveOptOuts`
* Update axum-macros/src/from_request.rs
Co-authored-by: Jonas Platte <jplatte@users.noreply.github.com>
Co-authored-by: Jonas Platte <jplatte@users.noreply.github.com>
* Move axum-debug into axum-macros
* fix ref to axum-macros in changelog
* Apply suggestions from code review
Co-authored-by: Jonas Platte <jplatte@users.noreply.github.com>
Co-authored-by: Jonas Platte <jplatte@users.noreply.github.com>
