clean-code

分类: 开发与编程 | 上传者: emaarco | 下载: 0 | 版本: v1.0（最新）

Applies principles from Robert C. Martin's 'Clean Code'. Use this skill when writing, reviewing, or refactoring code to ensure high quality, readability, and maintainability. Covers naming, functio...

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SKILL.md

---
name: clean-code
description: "Applies principles from Robert C. Martin's 'Clean Code'. Use this skill when writing, reviewing, or refactoring code to ensure high quality, readability, and maintainability. Covers naming, functio..."
risk: safe
source : https://github.com/sickn33/antigravity-awesome-skills/blob/main/skills/clean-code/SKILL.md
---

# Clean Code Skill

This skill embodies the principles of "Clean Code" by Robert C. Martin (Uncle Bob). Use it to transform "code that works" into "code that is clean."

## 🧠 Core Philosophy
> "Code is clean if it can be read, and enhanced by a developer other than its original author." — Grady Booch

## When to Use
Use this skill when:
- **Writing new code**: To ensure high quality from the start.
- **Reviewing Pull Requests**: To provide constructive, principle-based feedback.
- **Refactoring legacy code**: To identify and remove code smells.
- **Improving team standards**: To align on industry-standard best practices.

## What it does 

- Checks for the guidelines following below
- Writes a structured report to the .tmp folder in this repo

## Guidlines

## 1. Meaningful Names
- **Use Intention-Revealing Names**: `elapsedTimeInDays` instead of `d`.
- **Avoid Disinformation**: Don't use `accountList` if it's actually a `Map`.
- **Make Meaningful Distinctions**: Avoid `ProductData` vs `ProductInfo`.
- **Use Pronounceable/Searchable Names**: Avoid `genymdhms`.
- **Class Names**: Use nouns (`Customer`, `WikiPage`). Avoid `Manager`, `Data`.
- **Method Names**: Use verbs (`postPayment`, `deletePage`).

## 2. Functions
- **Small!**: Functions should be shorter than you think.
- **Do One Thing**: A function should do only one thing, and do it well.
- **One Level of Abstraction**: Don't mix high-level business logic with low-level details (like regex).
- **Descriptive Names**: `isPasswordValid` is better than `check`.
- **Arguments**: 0 is ideal, 1-2 is okay, 3+ requires a very strong justification.
- **No Side Effects**: Functions shouldn't secretly change global state.

## 3. Comments
- **Don't Comment Bad Code—Rewrite It**: Most comments are a sign of failure to express ourselves in code.
- **Explain Yourself in Code**:
  ```python
  # Check if employee is eligible for full benefits
  if employee.flags & HOURLY and employee.age > 65:
  ```
  vs
  ```python
  if employee.isEligibleForFullBenefits():
  ```
- **Good Comments**: Legal, Informative (regex intent), Clarification (external libraries), TODOs.
- **Bad Comments**: Mumbling, Redundant, Misleading, Mandated, Noise, Position Markers.

## 4. Formatting
- **The Newspaper Metaphor**: High-level concepts at the top, details at the bottom.
- **Vertical Density**: Related lines should be close to each other.
- **Distance**: Variables should be declared near their usage.
- **Indentation**: Essential for structural readability.

## 5. Objects and Data Structures
- **Data Abstraction**: Hide the implementation behind interfaces.
- **The Law of Demeter**: A module should not know about the innards of the objects it manipulates. Avoid `a.getB().getC().doSomething()`.
- **Data Transfer Objects (DTO)**: Classes with public variables and no functions.

## 6. Error Handling
- **Use Exceptions instead of Return Codes**: Keeps logic clean.
- **Write Try-Catch-Finally First**: Defines the scope of the operation.
- **Don't Return Null**: It forces the caller to check for null every time.
- **Don't Pass Null**: Leads to `NullPointerException`.

## 7. Unit Tests
- **The Three Laws of TDD**:
    1. Don't write production code until you have a failing unit test.
    2. Don't write more of a unit test than is sufficient to fail.
    3. Don't write more production code than is sufficient to pass the failing test.
- **F.I.R.S.T. Principles**: Fast, Independent, Repeatable, Self-Validating, Timely.

## 8. Classes
- **Small!**: Classes should have a single responsibility (SRP).
- **The Stepdown Rule**: We want the code to read like a top-down narrative.

## 9. Smells and Heuristics
- **Rigidity**: Hard to change.
- **Fragility**: Breaks in many places.
- **Immobility**: Hard to reuse.
- **Viscosity**: Hard to do the right thing.
- **Needless Complexity/Repetition**.

## 🛠️ Implementation Checklist
- [ ] Is this function smaller than 20 lines?
- [ ] Does this function do exactly one thing?
- [ ] Are all names searchable and intention-revealing?
- [ ] Have I avoided comments by making the code clearer?
- [ ] Am I passing too many arguments?
- [ ] Is there a failing test for this change?

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clean-code

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