{
  "$ref": "#/definitions/AntVSpec",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "definitions": {
    "Aggregate": {
      "enum": [
        "count",
        "sum",
        "min",
        "max"
      ],
      "type": "string"
    },
    "Annotation": {
      "anyOf": [
        {
          "additionalProperties": false,
          "properties": {
            "content": {
              "type": "string"
            },
            "position": {
              "type": "object"
            },
            "style": {
              "type": "object"
            },
            "type": {
              "const": "text",
              "type": "string"
            }
          },
          "required": [
            "type",
            "position",
            "content"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "end": {
            },
            "position": {
              "type": "object"
            },
            "start": {
            },
            "style": {
              "type": "object"
            },
            "type": {
              "const": "line",
              "type": "string"
            }
          },
          "required": [
            "type",
            "position",
            "style"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "position": {
              "type": "object"
            },
            "style": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type",
            "position",
            "style"
          ],
          "type": "object"
        }
      ]
    },
    "AntVSpec": {
      "anyOf": [
        {
          "additionalProperties": false,
          "properties": {
            "$schema": {
              "description": "URL of the schema",
              "type": "string"
            },
            "basis": {
              "$ref": "#/definitions/ChartBasis"
            },
            "component": {
              "$ref": "#/definitions/Component",
              "description": "Components definition such as Annotation"
            },
            "data": {
              "$ref": "#/definitions/ChartDataDef"
            },
            "interactions": {
              "items": {
                "$ref": "#/definitions/Interaction"
              },
              "type": "array"
            },
            "layer": {
              "items": {
                "$ref": "#/definitions/ChartLayer"
              },
              "type": "array"
            }
          },
          "required": [
            "basis",
            "data",
            "layer"
          ],
          "type": "object"
        },
        {
          "additionalProperties": false,
          "properties": {
            "$schema": {
              "description": "URL of the schema",
              "type": "string"
            },
            "basis": {
              "$ref": "#/definitions/GraphBasis"
            },
            "component": {
              "$ref": "#/definitions/Component",
              "description": "Components definition such as Annotation"
            },
            "data": {
              "$ref": "#/definitions/GraphDataDef"
            },
            "interactions": {
              "items": {
                "$ref": "#/definitions/Interaction"
              },
              "type": "array"
            },
            "layer": {
              "items": {
                "$ref": "#/definitions/GraphLayer"
              },
              "type": "array"
            },
            "layout": {
              "$ref": "#/definitions/Layout"
            }
          },
          "required": [
            "basis",
            "data",
            "layer",
            "layout"
          ],
          "type": "object"
        }
      ]
    },
    "Axis": {
      "additionalProperties": false,
      "properties": {
        "domain": {
          "description": "whether to draw the domain line of the axis",
          "type": "boolean"
        },
        "label": {
          "$ref": "#/definitions/AxisLabelConfig",
          "description": "label of the axis"
        },
        "max": {
          "description": "max of the axis",
          "type": "number"
        },
        "min": {
          "description": "min of the axis",
          "type": "number"
        },
        "position": {
          "description": "direction of the axis, top | bottom | left | right",
          "type": "string"
        },
        "tickInterval": {
          "description": "interval of the ticks in the axis",
          "type": "number"
        },
        "ticks": {
          "description": "whether to show ticks in the axis",
          "type": "boolean"
        },
        "title": {
          "$ref": "#/definitions/AxisTitleConfig",
          "description": "title of the axis"
        },
        "top": {
          "description": "whether draw the axis on the top of the layer",
          "type": "boolean"
        }
      },
      "type": "object"
    },
    "AxisLabelConfig": {
      "additionalProperties": false,
      "properties": {
        "angle": {
          "type": "number"
        },
        "autoEllipsis": {
          "type": "boolean"
        },
        "autoHide": {
          "type": "boolean"
        },
        "autoRotate": {
          "type": "boolean"
        },
        "formatter": {
        },
        "offset": {
          "type": "number"
        }
      },
      "type": "object"
    },
    "AxisTitleConfig": {
      "additionalProperties": false,
      "properties": {
        "position": {
          "type": "string"
        },
        "text": {
          "type": "string"
        }
      },
      "type": "object"
    },
    "Bin": {
      "enum": [
        true,
        false
      ],
      "type": "boolean"
    },
    "ChartBasis": {
      "additionalProperties": false,
      "properties": {
        "height": {
          "description": "vis's height",
          "minimum": 0,
          "type": "number"
        },
        "padding": {
          "anyOf": [
            {
              "items": {
                "type": "number"
              },
              "type": "array"
            },
            {
              "type": "number"
            },
            {
              "const": "auto",
              "type": "string"
            }
          ],
          "description": "vis's padding"
        },
        "type": {
          "const": "chart",
          "description": "indicate what kind of visualization this spec is about",
          "type": "string"
        },
        "width": {
          "description": "vis's width",
          "minimum": 0,
          "type": "number"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "ChartDataDef": {
      "anyOf": [
        {
          "$ref": "#/definitions/ChartInlineData"
        },
        {
          "$ref": "#/definitions/ChartOnlineData"
        }
      ]
    },
    "ChartEncoding": {
      "additionalProperties": false,
      "properties": {
        "color": {
          "$ref": "#/definitions/Color"
        },
        "column": {
          "$ref": "#/definitions/Column"
        },
        "row": {
          "$ref": "#/definitions/Row"
        },
        "size": {
          "$ref": "#/definitions/Size"
        },
        "theta": {
          "$ref": "#/definitions/Theta"
        },
        "x": {
          "$ref": "#/definitions/X"
        },
        "y": {
          "$ref": "#/definitions/Y"
        }
      },
      "type": "object"
    },
    "ChartInlineData": {
      "additionalProperties": false,
      "properties": {
        "type": {
          "const": "json-array",
          "type": "string"
        },
        "values": {
          "items": {
            "$ref": "#/definitions/DataRow"
          },
          "type": "array"
        }
      },
      "required": [
        "values"
      ],
      "type": "object"
    },
    "ChartLayer": {
      "additionalProperties": false,
      "properties": {
        "encoding": {
          "$ref": "#/definitions/ChartEncoding"
        },
        "mark": {
          "$ref": "#/definitions/ChartMarkDef"
        }
      },
      "required": [
        "mark",
        "encoding"
      ],
      "type": "object"
    },
    "ChartMarkDef": {
      "anyOf": [
        {
          "$ref": "#/definitions/ChartMarkType"
        },
        {
          "additionalProperties": false,
          "properties": {
            "interpolate": {
              "const": "step",
              "description": "for `line` and `area` only TODO: 'step' is used in AVA but more interpolate type can be defined",
              "type": "string"
            },
            "style": {
              "additionalProperties": false,
              "description": "Mark style configuration",
              "properties": {
                "color": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillOpacity": {
                  "type": "number"
                },
                "innerRadius": {
                  "type": "number"
                },
                "lineWidth": {
                  "type": "number"
                },
                "opacity": {
                  "type": "number"
                },
                "shape": {
                  "type": "string"
                },
                "size": {
                  "type": "number"
                },
                "strokeColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "strokeOpacity": {
                  "type": "number"
                },
                "strokeWidth": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": {
              "$ref": "#/definitions/ChartMarkType"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      ],
      "description": "Mark definition for `Chart` type visualization"
    },
    "ChartMarkType": {
      "enum": [
        "bar",
        "line",
        "arc",
        "area",
        "point",
        "rect"
      ],
      "type": "string"
    },
    "ChartOnlineData": {
      "additionalProperties": false,
      "properties": {
        "config": {
          "additionalProperties": false,
          "description": "config for parsing data",
          "properties": {
            "delimiter": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "format": {
          "description": "type of the data, for correctly parsing",
          "enum": [
            "csv",
            "json"
          ],
          "type": "string"
        },
        "type": {
          "const": "url",
          "type": "string"
        },
        "values": {
          "description": "URL of the data source.",
          "type": "string"
        }
      },
      "required": [
        "values"
      ],
      "type": "object"
    },
    "Color": {
      "additionalProperties": false,
      "properties": {
        "aggregate": {
          "$ref": "#/definitions/Aggregate"
        },
        "field": {
          "type": "string"
        },
        "scale": {
          "$ref": "#/definitions/Scale"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "ColorCfg": {
      "type": "string"
    },
    "Column": {
      "additionalProperties": false,
      "properties": {
        "field": {
          "type": "string"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "field",
        "type"
      ],
      "type": "object"
    },
    "Component": {
      "additionalProperties": false,
      "properties": {
        "annotations": {
          "items": {
            "$ref": "#/definitions/Annotation"
          },
          "type": "array"
        }
      },
      "type": "object"
    },
    "DataRow": {
      "type": "object"
    },
    "EType": {
      "enum": [
        "quantitative",
        "temporal",
        "ordinal",
        "nominal"
      ],
      "type": "string"
    },
    "GraphBasis": {
      "additionalProperties": false,
      "properties": {
        "height": {
          "description": "vis's height",
          "minimum": 0,
          "type": "number"
        },
        "padding": {
          "anyOf": [
            {
              "items": {
                "type": "number"
              },
              "type": "array"
            },
            {
              "type": "number"
            },
            {
              "const": "auto",
              "type": "string"
            }
          ],
          "description": "vis's padding"
        },
        "type": {
          "const": "graph",
          "description": "indicate what kind of visualization this spec is about",
          "type": "string"
        },
        "width": {
          "description": "vis's width",
          "minimum": 0,
          "type": "number"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "GraphData": {
      "type": "object"
    },
    "GraphDataDef": {
      "anyOf": [
        {
          "$ref": "#/definitions/GraphInlineData"
        },
        {
          "$ref": "#/definitions/GraphOnlineData"
        }
      ]
    },
    "GraphInlineData": {
      "additionalProperties": false,
      "properties": {
        "type": {
          "const": "json",
          "description": "type of `values`",
          "type": "string"
        },
        "values": {
          "$ref": "#/definitions/GraphData"
        }
      },
      "required": [
        "values"
      ],
      "type": "object"
    },
    "GraphLayer": {
      "additionalProperties": false,
      "properties": {
        "links": {
          "additionalProperties": false,
          "properties": {
            "encoding": {
              "$ref": "#/definitions/LinkEncoding"
            },
            "mark": {
              "$ref": "#/definitions/LinkMarkDef"
            }
          },
          "required": [
            "mark",
            "encoding"
          ],
          "type": "object"
        },
        "nodes": {
          "additionalProperties": false,
          "properties": {
            "encoding": {
              "$ref": "#/definitions/NodeEncoding"
            },
            "mark": {
              "$ref": "#/definitions/NodeMarkDef"
            }
          },
          "required": [
            "mark",
            "encoding"
          ],
          "type": "object"
        }
      },
      "required": [
        "nodes",
        "links"
      ],
      "type": "object"
    },
    "GraphOnlineData": {
      "additionalProperties": false,
      "properties": {
        "format": {
          "const": "json",
          "description": "type of the data, for correctly parsing",
          "type": "string"
        },
        "type": {
          "const": "url",
          "type": "string"
        },
        "values": {
          "description": "URL of the data source.",
          "type": "string"
        }
      },
      "required": [
        "values"
      ],
      "type": "object"
    },
    "Interaction": {
      "additionalProperties": false,
      "properties": {
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "Layout": {
      "additionalProperties": false,
      "properties": {
        "links": {
          "description": "the field name used to map links in the `json` type data",
          "type": "string"
        },
        "nodes": {
          "description": "the field name used to map nodes in the `json` type data",
          "type": "string"
        },
        "options": {
          "description": "layout detail configurations",
          "type": "object"
        },
        "type": {
          "description": "layout type",
          "enum": [
            "random",
            "radial",
            "mds",
            "circular",
            "fruchterman",
            "force",
            "gForce",
            "dagre",
            "concentric",
            "grid",
            "forceAtlas2"
          ],
          "type": "string"
        }
      },
      "required": [
        "type",
        "nodes",
        "links"
      ],
      "type": "object"
    },
    "LinkEncoding": {
      "additionalProperties": false,
      "properties": {
        "color": {
          "$ref": "#/definitions/Color"
        },
        "size": {
          "$ref": "#/definitions/Size"
        }
      },
      "type": "object"
    },
    "LinkMarkDef": {
      "anyOf": [
        {
          "$ref": "#/definitions/LinkMarkType"
        },
        {
          "additionalProperties": false,
          "properties": {
            "style": {
              "additionalProperties": false,
              "description": "Mark style configuration",
              "properties": {
                "color": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillOpacity": {
                  "type": "number"
                },
                "innerRadius": {
                  "type": "number"
                },
                "lineWidth": {
                  "type": "number"
                },
                "opacity": {
                  "type": "number"
                },
                "shape": {
                  "type": "string"
                },
                "size": {
                  "type": "number"
                },
                "strokeColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "strokeOpacity": {
                  "type": "number"
                },
                "strokeWidth": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": {
              "$ref": "#/definitions/LinkMarkType"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      ],
      "description": "Mark definition for link of `Graph` type visualization"
    },
    "LinkMarkType": {
      "enum": [
        "line"
      ],
      "type": "string"
    },
    "NodeEncoding": {
      "additionalProperties": false,
      "properties": {
        "color": {
          "$ref": "#/definitions/Color"
        },
        "size": {
          "$ref": "#/definitions/Size"
        },
        "theta": {
          "$ref": "#/definitions/Theta"
        }
      },
      "type": "object"
    },
    "NodeMarkDef": {
      "anyOf": [
        {
          "$ref": "#/definitions/NodeMarkType"
        },
        {
          "additionalProperties": false,
          "properties": {
            "style": {
              "additionalProperties": false,
              "description": "Mark style configuration",
              "properties": {
                "color": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "fillOpacity": {
                  "type": "number"
                },
                "innerRadius": {
                  "type": "number"
                },
                "lineWidth": {
                  "type": "number"
                },
                "opacity": {
                  "type": "number"
                },
                "shape": {
                  "type": "string"
                },
                "size": {
                  "type": "number"
                },
                "strokeColor": {
                  "$ref": "#/definitions/ColorCfg"
                },
                "strokeOpacity": {
                  "type": "number"
                },
                "strokeWidth": {
                  "type": "number"
                }
              },
              "type": "object"
            },
            "type": {
              "$ref": "#/definitions/NodeMarkType"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      ],
      "description": "Mark definition for node of `Graph` type visualization"
    },
    "NodeMarkType": {
      "enum": [
        "point",
        "arc",
        "rect"
      ],
      "type": "string"
    },
    "Row": {
      "additionalProperties": false,
      "properties": {
        "field": {
          "type": "string"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "field",
        "type"
      ],
      "type": "object"
    },
    "Scale": {
      "additionalProperties": false,
      "properties": {
        "domain": {
          "items": {
            "type": "number"
          },
          "type": "array"
        },
        "domainMin": {
          "type": "number"
        },
        "domaminMax": {
          "type": "number"
        },
        "range": {
          "items": {
            "type": [
              "string",
              "number"
            ]
          },
          "type": "array"
        },
        "rangeMax": {
          "type": [
            "string",
            "number"
          ]
        },
        "rangeMin": {
          "type": [
            "string",
            "number"
          ]
        }
      },
      "type": "object"
    },
    "Size": {
      "additionalProperties": false,
      "properties": {
        "aggregate": {
          "$ref": "#/definitions/Aggregate"
        },
        "field": {
          "type": "string"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "field",
        "type"
      ],
      "type": "object"
    },
    "Stack": {
      "enum": [
        true,
        false,
        "zero",
        "normalize"
      ],
      "type": [
        "boolean",
        "string"
      ]
    },
    "Theta": {
      "additionalProperties": false,
      "properties": {
        "aggregate": {
          "$ref": "#/definitions/Aggregate"
        },
        "field": {
          "type": "string"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "X": {
      "additionalProperties": false,
      "properties": {
        "aggregate": {
          "$ref": "#/definitions/Aggregate"
        },
        "axis": {
          "$ref": "#/definitions/Axis"
        },
        "bin": {
          "$ref": "#/definitions/Bin"
        },
        "field": {
          "description": "field can be optional once the aggregation type is `count`",
          "type": "string"
        },
        "stack": {
          "$ref": "#/definitions/Stack"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "Y": {
      "additionalProperties": false,
      "properties": {
        "aggregate": {
          "$ref": "#/definitions/Aggregate",
          "description": "aggregate and bin cannot be declared together"
        },
        "axis": {
          "$ref": "#/definitions/Axis"
        },
        "bin": {
          "$ref": "#/definitions/Bin"
        },
        "field": {
          "description": "field can be optional once the aggregation type is `count`",
          "type": "string"
        },
        "stack": {
          "$ref": "#/definitions/Stack"
        },
        "type": {
          "$ref": "#/definitions/EType"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  }
}