example1 types

example1-types.ts

type Player = 'X' | 'O'

type Coordinate = 1 | 2 | 3

type Coordinates = { row: Coordinate; column: Coordinate }

type CellState = { kind: 'Playable' } | { kind: 'Played', player: Player }

type Cell = Coordinates & { state: CellState }

type Board = [Cell, Cell, Cell, Cell, Cell, Cell, Cell, Cell, Cell]

type ResultType =
  | 'Draw'
  | 'Row1'
  | 'Row2'
  | 'Row3'
  | 'Column1'
  | 'Column2'
  | 'Column3'
  | 'Diagonal1'
  | 'Diagonal2'

type Result = { type: Extract<ResultType, 'Draw'> } | { type: Exclude<ResultType, 'Draw'>, player: Player }

type Event =
  | PlayedEvent
  | RestartedEvent

type RestartedEvent = { type: 'RESTARTED' }
type PlayedEvent = { type: 'PLAYED', payload: Coordinates }

type Context =
  {
    matchScore: MatchScore
    board: Board
    result: Option<Result>
  }

type MatchScore = Record<ResultType, Option<{ player: Player, count: number }>>

type Scheme = {
  states: {
    X: {}
    O: {}
    DONE: {}
  }
}