config.json

{
  "language": "Ruby",
  "active": true,
  "blurb": "Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write.",
  "test_pattern": ".*[.]test[.]rb$",
  "version": 3,
  "online_editor": {
    "indent_style": "space",
    "indent_size": 2
  },
  "exercises": {
    "concept": [
      {
        "slug": "arrays",
        "uuid": "4d271980-ab4b-11ea-bb37-0242ac130002",
        "concepts": ["arrays"],
        "prerequisites": ["classes", "booleans", "conditionals", "blocks"]
      },
      {
        "slug": "strings",
        "uuid": "e5476046-5289-11ea-8d77-2e728ce88125",
        "concepts": ["strings"],
        "prerequisites": ["basics"]
      },
      {
        "slug": "basics",
        "uuid": "71ae39c4-7364-11ea-bc55-0242ac130003",
        "concepts": ["basics"],
        "prerequisites": []
      },
      {
        "slug": "numbers",
        "uuid": "d7108eb2-326c-446d-9140-228e0f220975",
        "concepts": ["numbers", "conditionals"],
        "prerequisites": ["booleans"]
      },
      {
        "slug": "floating-point-numbers",
        "uuid": "970d3f26-1891-40c7-9550-42d529f5780f",
        "concepts": ["floating-point-numbers", "loops"],
        "prerequisites": ["numbers", "conditionals"]
      },
      {
        "slug": "booleans",
        "uuid": "06ea7869-4907-454d-a5e5-9d5b71098b17",
        "concepts": ["booleans"],
        "prerequisites": ["instance-variables"]
      },
      {
        "slug": "instance-variables",
        "uuid": "6905e411-ae01-46b6-a31c-8867b768856e",
        "concepts": ["instance-variables", "nil"],
        "prerequisites": ["basics"]
      }
    ],
    "practice": []
  }
}