forked from https://github.com/symfony/symfony
This PR was merged into the 5.1-dev branch.
Discussion
----------
[DI] add syntax to stack decorators
| Q | A
| ------------- | ---
| Branch? | master
| Bug fix? | no
| New feature? | yes
| Deprecations? | no
| Tickets | Fix #30599
| License | MIT
| Doc PR | -
Declare this:
```yaml
services:
my_stack_of_decorators:
stack:
- class: App\ExternalDecorator
- class: App\InternalDecorator
- class: App\DecoratoredClass
```
And get this:
![image](https://user-images.githubusercontent.com/243674/78615803-b8c8e580-7872-11ea-95c2-22cb78f88ca8.png)
The PR is now ready with support for Yaml, XML and the PHP-DSL. It needs #36388, #36392 and #36389 to pass, and relates to #36390 to be DX-friendly.
The new syntax now supports composable stacks - i.e stack you can reuse in the middle of another stack.
RIP middleware, simple decorators FTW :)
From the test cases:
```yaml
services:
reusable_stack:
stack:
- class: stdClass
properties:
label: A
inner: '@.inner'
- class: stdClass
properties:
label: B
inner: '@.inner'
concrete_stack:
stack:
- parent: reusable_stack
- class: stdClass
properties:
label: C
```
This will create a service similar to:
```php
(object) [
'label' => 'A',
'inner' => (object) [
'label' => 'B',
'inner' => (object) [
'label' => 'C',
]
],
];
```
When used together with autowiring, this is enough to declare a stack of decorators:
```yaml
services:
my_processing_stack:
stack:
- App\ExternalDecorator: ~
- App\InternalDecorator: ~
- App\TheDecoratedClass: ~
```
See fixtures for the other configuration formats.
See also https://twitter.com/nicolasgrekas/status/1248198573998604288
Todo:
- [x] rebase on top of #36388, #36392 and #36389 once they are merged
- [x] test declaring deeper nested stacks
Commits
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.github | ||
src/Symfony | ||
.appveyor.yml | ||
.editorconfig | ||
.gitignore | ||
.php_cs.dist | ||
.travis.yml | ||
CHANGELOG-4.0.md | ||
CHANGELOG-4.1.md | ||
CHANGELOG-4.2.md | ||
CHANGELOG-4.3.md | ||
CHANGELOG-4.4.md | ||
CHANGELOG-5.0.md | ||
CODE_OF_CONDUCT.md | ||
composer.json | ||
CONTRIBUTING.md | ||
CONTRIBUTORS.md | ||
LICENSE | ||
link | ||
phpunit | ||
phpunit.xml.dist | ||
README.md | ||
UPGRADE-5.0.md | ||
UPGRADE-5.1.md | ||
UPGRADE-6.0.md |
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