purl

{
  "$schema": "https://packageurl.org/schemas/purl-type-definition.schema-1.0.json",
  "$id": "https://packageurl.org/types/composer-definition.json",
  "type": "composer",
  "type_name": "Composer",
  "description": "Composer PHP packages",
  "repository": {
    "use_repository": true,
    "default_repository_url": "https://packagist.org"
  },
  "namespace_definition": {
    "requirement": "required",
    "case_sensitive": false,
    "native_name": "vendor",
    "note": "The namespace is the vendor. The namespace is not case sensitive and must be lowercased."
  },
  "name_definition": {
    "requirement": "required",
    "case_sensitive": false,
    "native_name": "name",
    "note": "The name is not case sensitive and must be lowercased. Private, local packages may have no name. In this case you cannot create a purl for these."
  },
  "version_definition": {
    "requirement": "optional",
    "native_name": "version"
  },
  "examples": [
    "pkg:composer/laravel/laravel@5.5.0"
  ]
}