React JSON Schema Form - Conditionals (Schema Dependency)

whatsmyname.json

{
  "title": "A registration form",
  "description": "A simple form example.",
  "type": "object",
  "properties": {
    "hasMiddleName": {
      "type": "boolean",
      "title": "Has Middle Name?"
    },
    "lastName": {
      "type": "string",
      "title": "Last Name",
      "default": "Lynch"
    },
    "firstName": {
      "type": "string",
      "title": "First Name",
      "default": "Travis"
    }
  },
  "dependencies": {
    "hasMiddleName": {
      "oneOf": [
        {
          "properties": {
            "hasMiddleName": {
              "enum": [
                true
              ]
            },
            "middleName": {
              "type": "string",
              "title": "Middle Name"
            }
          }
        },
        {
          "properties": {
            "hasMiddleName": {
              "enum": [
                false
              ]
            }
          }
        }
      ]
    }
  }
}