Refactor Legacy Code

A refactoring Kata I facilitated at the Coding Dojo Vienna

Transcript

1. http://www.davidtanzer.net Let’s Refactor s o m e l e g a c y c o d e !
2. http://www.davidtanzer.net http://socrates-conference.at
3. http://www.davidtanzer.net F o r k m e o n G i t H u b : https://github.com/dtanzer/babystepstimer
4. http://www.davidtanzer.net Beware: v e r y b a d c o d e !
5. http://www.davidtanzer.net Legacy Code ?
6. http://www.davidtanzer.net Legacy Code Code Without Tests Mike Feathers
7. http://www.davidtanzer.net Legacy Code Code that… • Is valuable • We are afraid to change J.B. Rainsberger
8. http://www.davidtanzer.net Exercise...
9. http://www.davidtanzer.net g i t r e s e t - - h a r d
10. http://www.davidtanzer.net Want more 2-Day React / Redux Training TDD / Clean Code Training → Ask Me ;) ?
11. http://www.davidtanzer.net David Tanzer • Craftsperson • Player Coach • Team Coach • Quality Obsessed @dtanzer business@davidtanzer.net
12. http://www.davidtanzer.net private String getCurrentHtml() throws ... { BabystepsTimer.timerPane.getText(); } Private void clickOn(String link) { BabystepsTimer.timerPane .getHyperlinkListeners()[0] .hyperlinkUpdate(...); }