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Install
Copy this and paste it into Claude Code, Cursor, or any AI assistant:
I want to install the "lit-best-practices" skill in my project. Please run this command in my terminal: # Install skill into the correct directory mkdir -p .claude/skills/lit-best-practices && curl --retry 3 --retry-delay 2 --retry-all-errors -o .claude/skills/lit-best-practices/SKILL.md "https://raw.githubusercontent.com/artmsilva/lit-best-practices/main/SKILL.md" Then restart Claude Code (or reload the window in Cursor) so the skill is picked up.
Description
Lit web components best practices and performance optimization guidelines. Use when writing, reviewing, or refactoring Lit web components. Triggers on tasks involving Lit components, custom elements, shadow DOM, reactive properties, or web component performance.
Lit Web Components Best Practices
Best practices for building Lit web components, optimized for AI-assisted code generation and review.
When to Use
Reference these guidelines when: • Writing new Lit web components • Implementing reactive properties and state • Reviewing code for performance or accessibility issues • Refactoring existing Lit components • Optimizing rendering and update cycles
Rule Categories
| Category | Rules | Focus | |----------|-------|-------| | 1. Component Structure | 4 rules | Properties, state, TypeScript | | 2. Rendering | 5 rules | Templates, directives, derived state | | 3. Styling | 4 rules | Static styles, theming, CSS parts | | 4. Events | 3 rules | Custom events, naming, cleanup | | 5. Lifecycle | 4 rules | Callbacks, timing, async | | 6. Accessibility | 3 rules | ARIA, focus, forms | | 7. Performance | 4 rules | Updates, caching, lazy loading |
Priority Levels
| Priority | Description | Action | |----------|-------------|--------| | CRITICAL | Major correctness or accessibility issues | Fix immediately | | HIGH | Significant maintainability/performance impact | Address in current PR | | MEDIUM | Best practice violations | Address when touching related code | | LOW | Style preferences, micro-optimizations | Consider during refactoring |
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