{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$ref": "#/definitions/PackageGraphFile",
  "title": "Package Graph JSON Schema",
  "description": "Schema for a Dart package_graph.json file. Note that this is reverse engineered and not the source of truth.",
  "definitions": {
    "GraphPackage": {
      "type": "object",
      "properties": {
        "dependencies": {
          "description": "A list of package names this package directly depends on.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/packageName"
          }
        },
        "devDependencies": {
          "description": "A list of package names this package directly depends on for development.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/packageName"
          }
        },
        "name": {
          "$ref": "#/definitions/packageName"
        },
        "version": {
          "description": "The semantic version of the package.",
          "type": "string"
        }
      },
      "required": [
        "dependencies",
        "name",
        "version"
      ],
      "additionalProperties": false
    },
    "PackageGraphFile": {
      "type": "object",
      "properties": {
        "configVersion": {
          "description": "Version of the package graph configuration.",
          "type": "integer",
          "minimum": 1
        },
        "packages": {
          "description": "Details of each package in the graph.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/GraphPackage"
          }
        },
        "roots": {
          "description": "A list of root package names in the graph.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/packageName"
          }
        }
      },
      "required": [
        "packages",
        "roots"
      ],
      "additionalProperties": false
    },
    "packageName": {
      "description": "The name of the package. Must be a valid Dart identifier.",
      "type": "string",
      "pattern": "^[a-zA-Z_]\\w*$"
    }
  }
}