Adds a hook in the same style as `postSignalSetFn` for running side effects when a producer has been created. This hook will be passed the reactive node being created.
PR Close#60333
This commit removes the previously added `rejectErrors` option from
`toSignal` which was meant to create similar behavior to what happens
with unhandled errors in `AsyncPipe`.
This option promotes unhandled exceptions and attaches behaviors that we
do not believe are desirable as an option offered by the framework:
* Unhandled errors that are thrown lose the context of where the error
ocurred. Throwing the error where the signal is read allows error
handling to be performed at the signal's usage location
* With this feature, the value of the signal remains set to the initial
value or the previous successful value coming out of the `Observable`.
We do not feel this is appropriate implicit behavior but should be an
explicit choice by the application. Signals are built to represent
state. When an observable stream is converted to a stateful
representation, there should be a choice made about what state should
be presented when an error occurs
* If an error occurs but the signal value is never read in its error
state, this is not an application state error that should result in an
unhandled exception.
* While Angular does not have error boundaries today, there is likely to
be investigation in the near future to address increased risk of
errors thrown from signals such as this in templates. Without
pre-designing any specifics, it is possible that this type of feature
would require the error to be thrown from the signal. We are subsequently
not prepared to commit to stabilizing the `toSignal` API with the
`rejectErrors` option and its current behavior.
Developers that desire similar behavior to `rejectErrors` have several
options, the simplest of which would be something similar to
`toSignal(myStream.pipe(catchError(() => EMPTY)))`.
PR Close#60397
The `renderApplication` and `renderModule` methods currently encapsulate the entire rendering process, making it difficult to intercept key phases from a non-Angular context. This change exports the internal `render` method, allowing us to perform operations such as:
- Flushing headers before hydration preparation
- Handling non static redirects (e.g., 302 responses)
- Intercepting router events for additional processing
This refactor serves as an experimental step toward improving the API for better customization and integration in the future.
PR Close#60416
Improves the partial compliance golden generation to not rely on large
files being transmitted via `stdout`. Instead the files are written
directly as it's done in idiomatic Bazel generation actions.
In addition, we add extra stdout logging for the Bazel action, to see if
the process is actually invoked in RBE workers. Right now those are
occassionally stuck, but neither us, nor the RBE team can see anything
running, and they're occasionally stuck for 1hr.
PR Close#60427
Builds on the changes from #60137 to add support for two-way bindings on dynamically-created components. Example usage:
```typescript
import {createComponent, signal, twoWayBinding} from '@angular/core';
const value = signal('');
createComponent(MyCheckbox, {
bindings: [
twoWayBinding('value', value),
],
});
```
In the example above the value of `MyCheckbox` and the `value` signal will be kept in sync.
PR Close#60342
Historically Angular's type checking only extended to templates, however host bindings can contain expressions as well which can have type checking issues of their own. These changes expand the type checking infrastructure to cover the `host` object literal, `@HostBinding` decorators and `@HostListener` with full language service support coming in future commits.
Note that initially the new functionality is disabled by default and has to be enabled using the `typeCheckHostBindings` compiler flag.
PR Close#60267
Sets up the logic that produces the information necessary to type check host bindings of a component. Also introduces a compiler flag for toggling checking of host bindings.
PR Close#60267
Adds the `HostElement` AST node that can be used to represent the host of a directive. Also exposes the `BindingParser` type so it's easier to pass around the return value of `makeBindingParser`.
PR Close#60267
While still being supported because of ngUpgrade, string tokens are not recommended. Developers should use InjectionTokens or classes as tokens instead.
PR Close#60326
This should prevent defer timers from impacting app stability by executing them outside of the zone, similar to other defer triggers.
fixes: #60373
PR Close#60392
Currently when we reuse a Tsurge migration is reused externally, there's some glue code that needs to be executed in a specific order. The code gets copied between the different migrations which is error-prone and means that bugs may have to be fixed several times.
These changes move the common steps out into a separate function so that only the migration-specific logic (mostly instantiation and logging) is left in the schematic.
PR Close#60386
For internal framework values stored in injectors, they are manually
managed and inserted into injectors as needed. Therefore their tokens
don't provide a value or factory. This updates the type to reflect that
and updates the jsdocs a bit.
PR Close#60347
This commit cleans up the transition subject a bit so it doesn't use a dummy
initial value. It also avoids copying over data from the previous
request when a new one is created.
PR Close#60357
The `DowngradeComponentAdapter` adapter was assuming that all outputs are observables, but they can also be `OutputEmitterRef`.
Fixes#60366.
PR Close#60369
The signals primitives package understands the equals option now
so we can pass it to the signal / computed creation methods instead
of manually assigning the equality function on a reactive node.
PR Close#60364
This commit puts in place infrastructure capable of routing
performance-related, internal framework events directly to
the Chrome DevTools performance panel (custom track).
PR Close#60217
This change moves more logic to the primitives package by pushing
the equal configuration on a reactive node to the signal and
computed creation utilities.
PR Close#60300
Instead of relying on Microsoft's API extractor for `d.ts` bundling,
we are switching to Rollup-based `.d.ts` bundling.
This allows us to support code spliting, even for `.d.ts` files,
allowing for relative imports to be used between entry-points, without
ending up duplicating `.d.ts` definitions in two files. This would otherwise cause
problems with assignability of types.
It also nicely integrates into our existing rollup configuration, and
overall simplifies the `ng_package` rule even further!
Notably `tsup` also uses this rollup plugin, and it seems to work well.
Keep in mind that Microsoft's API extractor is pretty hard to integrate,
caused many problems in the past, and isn't capable of code splitting.
This aligns our d.ts bundling with the .mjs bundling (great alignment).
PR Close#60321
Replaces all the places where we use `InjectFlags` internally with the `InternalInjectFlags` which has the benefit of being a `const` enum and allowing us to consolidate the flags and object literal eventually.
PR Close#60318
Removes the deprecated `InjectFlags` symbol from the `@angular/core` public API, as well as all the places that accept it. The previous commit includes an automated migration to switch over to the new way of passing in flags.
BREAKING CHANGE:
* `InjectFlags` has been removed.
* `inject` no longer accepts `InjectFlags`.
* `Injector.get` no longer accepts `InjectFlags`.
* `EnvironmentInjector.get` no longer accepts `InjectFlags`.
* `TestBed.get` no longer accepts `InjectFlags`.
* `TestBed.inject` no longer accepts `InjectFlags`.
PR Close#60318
The HammerJS integration provided by the framework is deprecated
DEPRECATED: HammerJS support is deprecated and will be removed in a future major version.
PR Close#60257
This commit further restricts the deprecated type on injector.get to exclude
all but `string`. Progresses towards #48408
BREAKING CHANGE: The `any` overload has been removed from
`injector.get`. It now only supports `ProviderToken<T>` and (deprecated
since v4) `string`.
PR Close#60202
