TypeScript declarations for Warrior.js. (mostly complete)

decs.d.ts

declare type Direction = "forward" | "left" | "right" | "backward" | string
declare type AbsoluteDirection = "north" | "east" | "west" | "south" | string

declare interface Unit {
  isEnemy(): boolean
  isAlive(): boolean
  isBound(): boolean
  isUnderEffect(): boolean
}

declare type Character = string

declare interface Space {
  getCharacter(): Character | undefined
  isEmpty(): boolean
  isStairs(): boolean
  isWall(): boolean
  isUnit(): boolean
  getUnit(): Unit | undefined
  as(unit: Unit): {
    getLocation(): number[]
    getUnit(): Unit | undefined
    isEmpty(): boolean
    isStairs(): boolean
    isUnit(): boolean
    isWall(): boolean
  }
  toString(): "wall" | "nothing" | string
  toJSON(): {
    character: string | undefined
    unit: string | undefined
  }
}

declare interface Warrior {
  attack(direction?: Direction): void
  bind(direction?: Direction): void
  detonate(direction?: Direction): void
  directionOf(space: Space): Direction
  directionOfStairs(): Direction
  distanceOf(space: Space): number
  feel(direction?: Direction): Space
  health(): number
  listen(): Space[]
  look(direction?: Direction): Space[]
  maxHealth(): number
  pivot(direction?: Direction): void
  rescue(direction?: Direction): void
  rest(): void
  shoot(direction?: Direction): void
  think(...args: any[]): void
  walk(direction?: Direction): void
}

Player.js

class Player {
  /**
   * @param {Warrior} warrior
   */
  playTurn(warrior) {
    warrior.walk()
  }
}