{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/r/refs/heads/main/json-schema/r-version-schema.json",
  "title": "R Version",
  "description": "Schema for an R release version record as returned by the METACRAN R Versions API",
  "type": "object",
  "properties": {
    "version": {
      "type": "string",
      "description": "R version number using major.minor.patch format",
      "example": "4.4.2",
      "pattern": "^\\d+\\.\\d+\\.?\\d*$"
    },
    "date": {
      "type": "string",
      "format": "date",
      "description": "Release date of this R version",
      "example": "2024-10-31"
    },
    "nickname": {
      "type": "string",
      "description": "Release nickname assigned to this R version",
      "example": "Pile of Leaves"
    }
  },
  "required": ["version", "date"]
}