1{
  2  "$schema": "https://json-schema.org/draft/2020-12/schema",
  3  "$id": "https://wheelnext.dev/schema/variant-0.0.1.json",
  4  "title": "Variant metadata, v0.0.1",
  5  "description": "The format for variant metadata (variant.json) and index-level metadata ({name}-{version}-variants.json)",
  6  "type": "object",
  7  "properties": {
  8    "default-priorities": {
  9      "description": "Default priorities for ordering variants",
 10      "type": "object",
 11      "properties": {
 12        "namespace": {
 13          "description": "Namespaces (in order of preference)",
 14          "type": "array",
 15          "items": {
 16            "type": "string",
 17            "pattern": "^[a-z0-9_]+$"
 18          },
 19          "minItems": 1,
 20          "uniqueItems": true
 21        },
 22        "feature": {
 23          "description": "Default feature priorities (by namespace)",
 24          "type": "object",
 25          "patternProperties": {
 26            "^[a-z0-9_]+$": {
 27              "description": "The most preferred features",
 28              "type": "array",
 29              "items": {
 30                "type": "string",
 31                "pattern": "^[a-z0-9_]+$"
 32              },
 33              "minItems": 0,
 34              "uniqueItems": true
 35            }
 36          },
 37          "additionalProperties": false,
 38          "uniqueItems": true
 39        },
 40        "property": {
 41          "description": "Default property priorities (by namespace)",
 42          "type": "object",
 43          "patternProperties": {
 44            "^[a-z0-9_]+$": {
 45              "description": "Default property priorities (by feature name)",
 46              "type": "object",
 47              "patternProperties": {
 48                "^[a-z0-9_]+$": {
 49                  "description": "The most preferred feature values",
 50                  "type": "array",
 51                  "items": {
 52                    "type": "string",
 53                    "pattern": "^[a-z0-9_.]+$"
 54                  },
 55                  "minItems": 0,
 56                  "uniqueItems": true
 57                }
 58              },
 59              "additionalProperties": false,
 60              "uniqueItems": true
 61            }
 62          },
 63          "additionalProperties": false,
 64          "uniqueItems": true
 65        }
 66      },
 67      "additionalProperties": false,
 68      "uniqueItems": true,
 69      "required": [
 70        "namespace"
 71      ]
 72    },
 73    "variants": {
 74      "description": "Mapping of variant labels to properties",
 75      "type": "object",
 76      "patternProperties": {
 77        "^[a-z0-9_.]{1,16}$": {
 78          "type": "object",
 79          "description": "Mapping of namespaces in a variant",
 80          "patternProperties": {
 81            "^[a-z0-9_.]+$": {
 82              "description": "Mapping of feature names in a namespace",
 83              "patternProperties": {
 84                "^[a-z0-9_.]+$": {
 85                  "description": "List of values for this variant feature",
 86                  "type": "array",
 87                  "items": {
 88                    "type": "string",
 89                    "pattern": "^[a-z0-9_.]+$"
 90                  },
 91                  "minItems": 1,
 92                  "uniqueItems": true
 93                }
 94              },
 95              "uniqueItems": true,
 96              "additionalProperties": false
 97            }
 98          },
 99          "uniqueItems": true,
100          "additionalProperties": false
101        }
102      },
103      "additionalProperties": false,
104      "uniqueItems": true
105    }
106  },
107  "required": [
108    "default-priorities",
109    "variants"
110  ],
111  "additionalProperties": false,
112  "uniqueItems": true
113}