rules:
- id: useless-assignment
  patterns:
  - pattern: |
      $X = $Y;
      $X = $Z;
  - pattern-not: |
      $X = $Y;
      $X = <... $X ...>;
  message: '`$X` is assigned twice; the first assignment is useless'
  languages:
  - javascript
  - typescript
  severity: WARNING
  metadata:
    category: correctness
    technology:
    - javascript