Course Lessons
The Great Refactor
Task Instructions
Apply all your Vim skills to refactor messy legacy code
This is a comprehensive challenge that requires you to use undo, visual mode, and text objects together to clean up legacy code. Take your time, experiment, and use undo when needed.
Learning objectives
- Combine all learned techniques in realistic scenarios
- Practice strategic use of undo during complex edits
- Apply text objects and visual mode together
- Develop professional Vim workflows
Required Keystrokes
This lesson requires you to use specific keystrokes to complete it. Your submission will be evaluated based on whether you used the required keystrokes mentioned below, rather than matching a specific output.
What This Means
- Your solution must include the required keystroke patterns
- The order of keystrokes may matter depending on the exercise
- You'll still need to achieve the expected output
- This helps you practice specific Vim techniques
Helpful commands:
| Command | Description |
|---|---|
| ciw | Change inner word |
| ci( | Change inside parentheses |
| V | Visual line mode |
| u | Undo mistakes |
| . | Repeat last change |
Hints
- Use ciw to change class/method/variable names
- Use u to undo if you make a mistake
- Use . to repeat similar changes
- Visual mode can help select complex names
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Ready for Vim?
Before starting this lesson, be prepared.
Read the directions on the left, and when you're ready, let's go!