schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://www.flippercloud.io/expressions/schema.json",
  "title": "Expression",
  "description": "An expression can be a Constant or a Function",
  "anyOf": [
    { "$ref": "#/definitions/constant" },
    { "$ref": "#/definitions/function" }
  ],
  "definitions": {
    "constant": {
      "title": "Constant",
      "description": "A constant value can be a string, number or boolean",
      "anyOf": [
        {
          "title": "String",
          "type": "string"
        },
        {
          "title": "Number",
          "type": "number"
        },
        {
          "title": "Boolean",
          "type": "boolean",
          "enum": [true, false]
        },
        {
          "type": "null"
        }
      ]
    },
    "function": {
      "title": "Function",
      "description": "A function is an object with a single property that is the name of the function and the value is the arguments to the function",
      "type": "object",
      "maxProperties": 1,
      "minProperties": 1,
      "properties": {
        "Add": { "$ref": "Add.schema.json" },
        "All": { "$ref": "All.schema.json" },
        "Any": { "$ref": "Any.schema.json" },
        "Boolean": { "$ref": "Boolean.schema.json" },
        "Divide": { "$ref": "Divide.schema.json" },
        "Duration": { "$ref": "Duration.schema.json" },
        "Equal": { "$ref": "Equal.schema.json" },
        "GreaterThan": { "$ref": "GreaterThan.schema.json" },
        "GreaterThanOrEqualTo": { "$ref": "GreaterThanOrEqualTo.schema.json" },
        "LessThan": { "$ref": "LessThan.schema.json" },
        "LessThanOrEqualTo": { "$ref": "LessThanOrEqualTo.schema.json" },
        "Max": { "$ref": "Max.schema.json" },
        "Min": { "$ref": "Min.schema.json" },
        "Multiply": { "$ref": "Multiply.schema.json" },
        "NotEqual": { "$ref": "NotEqual.schema.json" },
        "Now": { "$ref": "Now.schema.json" },
        "Number": { "$ref": "Number.schema.json" },
        "Percentage": { "$ref": "Percentage.schema.json" },
        "PercentageOfActors": { "$ref": "PercentageOfActors.schema.json" },
        "Property": { "$ref": "Property.schema.json" },
        "Random": { "$ref": "Random.schema.json" },
        "String": { "$ref": "String.schema.json" },
        "Subtract": { "$ref": "Subtract.schema.json" },
        "Time": { "$ref": "Time.schema.json" }
      },
      "additionalProperties": false
    },
    "string": {
      "title": "String",
      "description": "A constant string value or a function that returns a string",
      "anyOf": [
        { "type": "string" },
        { "$ref": "#/definitions/function" }
      ]
    },
    "number": {
      "title": "Number",
      "description": "A constant numeric value or a function that returns a number",
      "anyOf": [
        { "type": "number" },
        { "$ref": "#/definitions/function" }
      ]
    },
    "arguments-n": {
      "description": "An array of expressions",
      "type": "array",
      "items": { "$ref": "#" },
      "minItems": 0
    },
    "operation": {
      "title": "Operation",
      "description": "An array with exactly two expressions",
      "category": "Condition",
      "type": "array",
      "items": { "$ref": "#" },
      "minItems": 2,
      "maxItems": 2
    },
    "argument": {
      "description": "An array with exactly one expression",
      "type": "array",
      "items": { "$ref": "#" },
      "minItems": 1,
      "maxItems": 1
    }
  }
}