[DependencyInjection] Added Yaml syntax shortcut for name-only tags#20651
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fabpot merged 1 commit intosymfony:masterfrom Dec 13, 2016
Merged
[DependencyInjection] Added Yaml syntax shortcut for name-only tags#20651fabpot merged 1 commit intosymfony:masterfrom
fabpot merged 1 commit intosymfony:masterfrom
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Author
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I just filled in the PR table incorrectly, someone please remove the BC break label 😃 |
Contributor
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Great 👍 Status: Reviewed |
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👍 |
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Thank you @wouterj. |
fabpot
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Dec 13, 2016
…ame-only tags (wouterj)
This PR was merged into the 3.3-dev branch.
Discussion
----------
[DependencyInjection] Added Yaml syntax shortcut for name-only tags
| Q | A
| ------------- | ---
| Branch? | master
| Bug fix? | no
| New feature? | yes
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | -
| License | MIT
| Doc PR | todo
This PR adds a little shorcut for tags without any attributes. There are increasingly more name-only tags in Symfony and having to do `{ name: twig.extension }` for these seems way too verbose to me.
**Before**
```yaml
services:
app.twig_extension:
class: AppBundle\Twig\AppExtension
tags:
- { name: twig.extension }
```
**After**
```yaml
services:
app.twig_extension:
class: AppBundle\Twig\AppExtension
tags: [twig.extension]
# or
# - twig.extension
```
This of course means we introduce a new format to achieve the same goal. I believe this isn't a big problem as the decision is distinctive and simple: If you configure tag attributes, use the long format, otherwise use the short format.
Backwards compatibility
---
In this PR, an exception was removed to allow this new shortcut format. The BC promise doesn't cover exceptions and I think removing the exception here should cause anything to break:
* Applications shouldn't rely on exceptions
* If code was triggering this exception before, it would not cause any behaviour change after this PR: The service just retrieves an unused tag, which is simply ignored by the container.
Commits
-------
7fa8c8a Added Yaml syntax shortcut for name-only tags
Merged
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This PR adds a little shorcut for tags without any attributes. There are increasingly more name-only tags in Symfony and having to do
{ name: twig.extension }for these seems way too verbose to me.Before
After
This of course means we introduce a new format to achieve the same goal. I believe this isn't a big problem as the decision is distinctive and simple: If you configure tag attributes, use the long format, otherwise use the short format.
Backwards compatibility
In this PR, an exception was removed to allow this new shortcut format. The BC promise doesn't cover exceptions and I think removing the exception here should cause anything to break: