name: fetch
language: typescript
description: "Native fetch / undici / node-fetch HTTP client"
detection:
  file_patterns: ["**/*.ts", "**/*.tsx", "**/*.js", "**/*.mjs"]
  markers:
    - { pattern: "fetch(", type: builtin }
    - { pattern: "from \"undici\"", type: import }
    - { pattern: "require('undici')", type: import }
    - { pattern: "from 'node-fetch'", type: import }
client_extraction:
  patterns:
    - regex: "fetch\\(\\s*[`'\"]([^`'\"$]+)[`'\"]\\s*,\\s*\\{[^}]*method\\s*:\\s*[`'\"](GET|POST|PUT|DELETE|PATCH|HEAD)[`'\"]"
      url_group: 1
      method_group: 2
    - regex: "fetch\\(\\s*[`'\"]([^`'\"$]+)[`'\"]\\s*[,)]"
      url_group: 1
      method_group: 0
      default_method: "GET"