PackageVersion

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/npm/json-schema/npm-package-version-schema.json",
  "title": "PackageVersion",
  "description": "Metadata for a specific version of a package, including dependencies, scripts, and distribution information.",
  "x-generated": "2026-11-04",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/npm-packages-api-openapi.yml#/components/schemas/PackageVersion",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "The name of the package."
    },
    "version": {
      "type": "string",
      "description": "The semver version string."
    },
    "description": {
      "type": "string",
      "description": "A short description of the package."
    },
    "main": {
      "type": "string",
      "description": "The entry point module for the package."
    },
    "scripts": {
      "type": "object",
      "description": "A mapping of script names to shell commands.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "dependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for runtime dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "devDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for development dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "peerDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for peer dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "optionalDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for optional dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "engines": {
      "type": "object",
      "description": "A mapping of runtime names to semver ranges specifying compatible environments.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "author": {
      "$ref": "#/$defs/Person"
    },
    "maintainers": {
      "type": "array",
      "description": "List of maintainers for this version.",
      "items": {
        "$ref": "#/$defs/Person"
      }
    },
    "repository": {
      "$ref": "#/$defs/Repository"
    },
    "license": {
      "type": "string",
      "description": "The SPDX license identifier."
    },
    "keywords": {
      "type": "array",
      "description": "Keywords associated with this version.",
      "items": {
        "type": "string"
      }
    },
    "dist": {
      "$ref": "#/$defs/Distribution"
    },
    "_npmVersion": {
      "type": "string",
      "description": "The version of npm used to publish this package version."
    },
    "_nodeVersion": {
      "type": "string",
      "description": "The version of Node.js used to publish this package version."
    },
    "_npmUser": {
      "$ref": "#/$defs/Person"
    }
  },
  "$defs": {
    "Distribution": {
      "type": "object",
      "description": "Distribution metadata for a specific published version, including integrity hashes and tarball location.",
      "properties": {
        "shasum": {
          "type": "string",
          "description": "The SHA-1 checksum of the tarball."
        },
        "tarball": {
          "type": "string",
          "format": "uri",
          "description": "The URL where the tarball can be downloaded."
        },
        "integrity": {
          "type": "string",
          "description": "The Subresource Integrity (SRI) hash of the tarball, typically using SHA-512."
        },
        "fileCount": {
          "type": "integer",
          "description": "The number of files in the tarball."
        },
        "unpackedSize": {
          "type": "integer",
          "description": "The total unpacked size of the tarball in bytes."
        },
        "signatures": {
          "type": "array",
          "description": "Cryptographic signatures for the package version.",
          "items": {
            "type": "object",
            "properties": {
              "keyid": {
                "type": "string",
                "description": "The identifier of the signing key."
              },
              "sig": {
                "type": "string",
                "description": "The signature value."
              }
            }
          }
        }
      }
    },
    "Person": {
      "type": "object",
      "description": "A person object representing a user, author, or maintainer.",
      "properties": {
        "name": {
          "type": "string",
          "description": "The display name of the person."
        },
        "email": {
          "type": "string",
          "format": "email",
          "description": "The email address of the person."
        },
        "url": {
          "type": "string",
          "format": "uri",
          "description": "The personal URL or website of the person."
        }
      }
    },
    "Repository": {
      "type": "object",
      "description": "Source code repository information.",
      "properties": {
        "type": {
          "type": "string",
          "description": "The version control system type, typically \"git\"."
        },
        "url": {
          "type": "string",
          "description": "The URL of the source code repository."
        }
      }
    }
  }
}