{
  "rules": {
    "rooms": {
      ".read": true,
      "default": {
        "$roomId": {
          ".read": true,
          ".write": true,
          "name": {
            ".validate": "newData.isString()"
          },
          "type": {
            ".validate": "newData.isString()"
          },
          "created": {
            ".validate": "newData.isNumber()"
          },
          "participants": {
            ".read": true,
            "$userId": {
              ".write": true,
              ".validate": "newData.hasChildren(['username', 'joined', 'muted'])",
              "username": {
                ".validate": "newData.isString() && newData.val().length > 0"
              },
              "joined": {
                ".validate": "newData.isNumber()"
              },
              "muted": {
                ".validate": "newData.isBoolean()"
              }
            }
          },
          "signals": {
            ".read": true,
            ".write": true,
            "$targetUserId": {
              "$signalId": {
                ".validate": "newData.hasChildren(['type', 'from'])"
              }
            }
          }
        }
      },
      "public": {
        "$roomId": {
          ".read": true,
          ".write": true,
          "name": {
            ".validate": "newData.isString()"
          },
          "type": {
            ".validate": "newData.isString()"
          },
          "creator": {
            ".validate": "newData.isString()"
          },
          "created": {
            ".validate": "newData.isNumber()"
          },
          "participants": {
            ".read": true,
            "$userId": {
              ".write": true,
              ".validate": "newData.hasChildren(['username', 'joined', 'muted'])",
              "username": {
                ".validate": "newData.isString() && newData.val().length > 0"
              },
              "joined": {
                ".validate": "newData.isNumber()"
              },
              "muted": {
                ".validate": "newData.isBoolean()"
              }
            }
          },
          "signals": {
            ".read": true,
            ".write": true,
            "$targetUserId": {
              "$signalId": {
                ".validate": "newData.hasChildren(['type', 'from'])"
              }
            }
          }
        }
      },
      "private": {
        "$roomId": {
          ".read": true,
          ".write": true,
          "name": {
            ".validate": "newData.isString()"
          },
          "type": {
            ".validate": "newData.isString()"
          },
          "creator": {
            ".validate": "newData.isString()"
          },
          "password": {
            ".validate": "newData.isString()"
          },
          "created": {
            ".validate": "newData.isNumber()"
          },
          "participants": {
            ".read": true,
            "$userId": {
              ".write": true,
              ".validate": "newData.hasChildren(['username', 'joined', 'muted'])",
              "username": {
                ".validate": "newData.isString() && newData.val().length > 0"
              },
              "joined": {
                ".validate": "newData.isNumber()"
              },
              "muted": {
                ".validate": "newData.isBoolean()"
              }
            }
          },
          "signals": {
            ".read": true,
            ".write": true,
            "$targetUserId": {
              "$signalId": {
                ".validate": "newData.hasChildren(['type', 'from'])"
              }
            }
          }
        }
      }
    }
  }
}

<script defer data-domain="html.cafe" src="https://milkymouse.com/js/script.js"></script>