Verantwortungsvoller Umgang mit Software-Paketen

Transcript

1. Verantwortungsvoller Umgang mit So ware-Paketen Ma hias Pigulla – webfactory.de

   SymfonyLive, 4. Mai 2018

2. webfactory.de/uncle- bob-papers

3. Release/Reuse Equivalency Principle (REP) The granule of reuse is the

   granule of release. Only components that are released through a tracking system can effectively be reused. This granule is the package. — Robert C. Martin

4. Release macht Code zum Produkt

5. Zeitliche Entkopplung

6. Schni stelle, nicht Implementierung

7. X.Y.Z 1.2.0, 2.17.47, ... semver.org

8. ! . " .

9. @trigger_error( 'Raider heißt jetzt Twix', E_USER_DEPRECATED );

10. Schni stelle?

11. Transitive Abhängigkeiten

12. $client = $this->fetchAcmeApiClient(); try { $client->addToCart(...); } catch (\GuzzleHttp\Exception\GuzzleException $e)

    { ... }

13. Strategisches Paketdesign

14. Common Reuse Principle (CRP) The classes in a package are

    reused together. If you reuse one of the classes in a package, you reuse them all. — Robert C. Martin
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16. Common Closure Principle (CCP) The classes in a package should

    be closed together against the same kinds of changes. A change that affects a package affects all classes in that package. — Robert C. Martin
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18. Acyclic Dependencies Principle (ADP) The dependency structure between packages must

    be a directed acyclic graph (DAG). That is, there must be no cycles in the dependency structure. — Robert C. Martin
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22. Tools!

23. clue/graph-composer github.com/clue/graph-composer

24. maglnet/ComposerRequireChecker github.com/maglnet/ComposerRequireChecker

25. webfactory/baton github.com/webfactory/baton baton.test.webfactory.de

26. ! "

27. None