The Physics of Software

{
  "name": "HelloWorld",
  "orbitals": [{
    "name": "Greeter",
    "entity": {
      "name": "Greeting",
      "fields": [
        { "name": "message", "type": "string" },
        { "name": "count", "type": "number", "default": 0 }
      ]
    },
    "traits": [{
      "name": "Clickable",
      "stateMachine": {
        "states": [
          { "name": "idle", "isInitial": true },
          { "name": "greeted" }
        ],
        "transitions": [{
          "from": "idle",
          "event": "CLICK",
          "to": "greeted",
          "effects": [
            ["set", "@entity.message", "Hello, World!"],
            ["set", "@entity.count", ["+", "@entity.count", 1]],
            ["render-ui", "main", {
              "type": "stats-card",
              "title": "@entity.message",
              "value": "@entity.count"
            }]
          ]
        }]
      }
    }]
  }]
}