mcp-server-semgrep/semgrep-rules/yaml/semgrep/slow-pattern-general-function.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
  - id: slow-pattern-general-func
    languages:
      - yaml
    message: >-
      Using patterns like `function (...) {...}` is too general it will probably slow down the rule performance.
    patterns:
      - pattern-either:
          - pattern-inside: |
              pattern-inside: $X
          - pattern-inside: |
              pattern-not-inside: $X
          - pattern-inside: |
              pattern: $X
          - pattern-inside: |
              pattern-not: $X
      - pattern-regex: function[^{]*{[\s\n]*\.\.\.[\s\n]*}
      - pattern-either:
          - pattern-inside: |
              languages: [...,"javascript",...]
              ...
          - pattern-inside: |
              languages: [...,"typescript",...]
              ...
    severity: WARNING
    metadata:
      category: performance
      technology:
        - semgrep