yaosiang/refactoring-course

重構工作坊

重構

• 課程說明
• 重構是什麼？

壞味道

Bloaters

• Mysterious Name ✅
• Long Function ✅
• Long Parameter List ✅
• Primitive Obsession
• Data Clumps ✅
• Loops ✅
• Large Class

Dispensables

• Duplicated Code ✅
• Lazy Element
• Speculative Generality ✅
• Data Class
• Comments ✅

Encapsulation

• Global Data
• Mutable Data ✅

Change Preventers

• Divergent Change ✅
• Shotgun Surgery ✅

Object-Orientation Abusers

• Repeated Switches ✅
• Temporary Field
• Alternative Classes with Different Interfaces
• Refused Bequest

Couplers

• Feature Envy
• Message Chains
• Middle Man
• Insider Trading

Kata

• GildedRose

技法

• Extract Function
• Replace Temp with Query
• Split Loop
• Replace Parameter with Query
• Introduce Parameter Object
• Preserve Whole Object
• Remove Flag Argument
• Encapsulate Variable
• Split Variable
• Replace Derived Variable with Query
• Separate Query from Modifier
• Remove Setting Method
• Combine Function into Transform
• Combine Functions into Class
• Split Phase
• Replace Conditional with Polymorphism

參考資料

• Refactoring 2/E
• Refactoring Workbook
• Refactoring Guru