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Refactoring Legacy Applications

Aaron Holbrook
June 10, 2017
Technology
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85

Refactoring Legacy Applications

Aaron Holbrook

June 10, 2017
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Transcript

  1. Refactoring Legacy
    Applications
    aaronjholbrook
    aaronjholbrook.com
    no stock photography was harmed in the making of this deck

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  9. Why Refactor?

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  10. Things to be careful of
    Refactoring just to refactor (superficial or unnecessary)
    Taking on too much at once (spinning plates)
    Staleness (not shipping)
    Partial or incomplete refactor
    Not testing

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  12. Why are YOU refactoring?

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  13. Why I refactor

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  14. Comprehension

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  15. Maintainability

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  16. Simplification

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  17. Co n s i s t e n c y

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  18. Test
    Debug
    Take it slow
    Simplify
    Strategies & Techniques

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  19. File length
    File naming
    File and directory organization
    Namespace
    Strategies & Techniques

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  20. Decouple
    Single Responsibility
    Exit Early / Exit Often
    Abstract complexity
    Strategies & Techniques

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  23. aaronjholbrook
    aaronjholbrook.com
    Aaron Holbrook
    Director of Web Engineering
    Zeek Interactive

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