mirror of
https://github.com/hyperdxio/hyperdx
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97 lines
3.4 KiB
Markdown
97 lines
3.4 KiB
Markdown
# Code Style & Best Practices
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> **Note**: Pre-commit hooks handle formatting automatically. Focus on implementation patterns.
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## TypeScript
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- Avoid `any` - use proper typing
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- Use Zod schemas for runtime validation
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- Define clear interfaces for data structures
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- Implement proper error boundaries
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## Code Organization
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- **Single Responsibility**: One clear purpose per component/function
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- **File Size**: Max 300 lines - refactor when approaching limit
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- **DRY**: Reuse existing functionality; consolidate duplicates
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- **In-Context Learning**: Explore similar files before implementing
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## React Patterns
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- Functional components with hooks (not class components)
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- Extract reusable logic into custom hooks
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- Define TypeScript interfaces for props
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- Use proper keys for lists, memoization for expensive computations
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## Mantine UI Components
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The project uses Mantine UI with **custom variants** defined in `packages/app/src/theme/mantineTheme.ts`.
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### Button & ActionIcon Variants (REQUIRED)
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**ONLY use these variants for Button and ActionIcon components:**
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| Variant | Use Case | Example |
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|---------|----------|---------|
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| `variant="primary"` | Primary actions (Submit, Save, Create, Run) | `<Button variant="primary">Save</Button>` |
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| `variant="secondary"` | Secondary actions (Cancel, Clear, auxiliary actions) | `<Button variant="secondary">Cancel</Button>` |
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| `variant="danger"` | Destructive actions (Delete, Remove, Rotate API Key) | `<Button variant="danger">Delete</Button>` |
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### DO NOT USE (Forbidden Patterns)
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The following patterns are **NOT ALLOWED** for Button and ActionIcon:
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```tsx
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// ❌ WRONG - Don't use these
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<Button variant="light" color="green">Save</Button>
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<Button variant="light" color="gray">Cancel</Button>
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<Button variant="light" color="red">Delete</Button>
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<Button variant="outline" color="green">Save</Button>
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<Button variant="outline" color="gray">Cancel</Button>
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<Button variant="outline" color="red">Delete</Button>
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<Button variant="filled" color="gray">Cancel</Button>
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<Button variant="default">Cancel</Button>
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<ActionIcon variant="light" color="red">...</ActionIcon>
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<ActionIcon variant="filled" color="gray">...</ActionIcon>
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// ✅ CORRECT - Use custom variants
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<Button variant="primary">Save</Button>
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<Button variant="secondary">Cancel</Button>
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<Button variant="danger">Delete</Button>
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<ActionIcon variant="primary">...</ActionIcon>
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<ActionIcon variant="secondary">...</ActionIcon>
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<ActionIcon variant="danger">...</ActionIcon>
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```
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**Note**: `variant="filled"` is still valid for **form inputs** (Select, TextInput, etc.), just not for Button/ActionIcon.
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### Icon-Only Buttons → ActionIcon
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**If a Button only contains an icon (no text), use ActionIcon instead:**
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```tsx
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// ❌ WRONG - Button with only an icon
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<Button variant="secondary" px="xs">
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<IconRefresh size={18} />
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</Button>
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// ✅ CORRECT - Use ActionIcon for icon-only buttons
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<ActionIcon variant="secondary" size="input-sm">
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<IconRefresh size={18} />
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</ActionIcon>
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```
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This pattern cannot be enforced by ESLint and requires manual code review.
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## Refactoring
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- Edit files directly - don't create `component-v2.tsx` copies
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- Look for duplicate code across the affected area
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- Verify all callers and integrations after changes
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- Refactor to improve clarity or reduce complexity, not just to change
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## File Naming
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- Clear, descriptive names following package conventions
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- Avoid "temp", "refactored", "improved" in permanent filenames
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