Cursor rule

1---
2description: JavaScript Performance Optimization
3globs: *.js, *.ts
4---
5# JavaScript Performance Optimization
6 
7<rule>
8name: javascript_performance_optimization
9description: Enforce best practices for optimizing JavaScript performance.
10 
11actions:
12  - type: enforce
13    conditions:
14      - pattern: "\\buseState\\(([^)]*)\\)"
15        message: "Avoid unnecessary state updates."
16 
17      - pattern: "React\\.memo\\("
18        message: "Consider using React.memo() to optimize component re-renders."
19 
20      - pattern: "\\b\\(\\)\\s*=>\\s*{"
21        message: "Avoid using anonymous functions in render methods."
22 
23  - type: suggest
24    message: |
25      Performance tips:
26      - Use memoization for expensive calculations.
27      - Optimize FlatList with performance props.
28      - Minimize unnecessary re-renders.
29 
30metadata:
31  priority: high
32  version: 1.0
33</rule>
34