Complete Elm history export

history-export-complete.js

{
  "metadata": {
    "versions": {
      "elm": "0.18.0"
    },
    "types": {
      "message": "Main.Msg",
      "aliases": {},
      "unions": {
        "Main.Msg": {
          "args": [],
          "tags": {
            "Decrement": [
              "Int"
            ],
            "Increment": [
              "Int"
            ]
          }
        }
      }
    }
  },
  "history": [
    {
      "ctor": "Decrement",
      "_0": 1
    },
    {
      "ctor": "Increment",
      "_0": 2
    },
    {
      "ctor": "Decrement",
      "_0": 1
    }
  ]
}