the-abstraction-engine/src/engine/config/constants.ts

export enum Action {
  MOVE_LEFT,
  MOVE_RIGHT,
  MOVE_UP,
  MOVE_DOWN,
  RESET,
  INTERACT,
}

export namespace KeyConstants {
  export const KeyActions: Record<string, Action> = {
    a: Action.MOVE_LEFT,
    arrowleft: Action.MOVE_LEFT,

    d: Action.MOVE_RIGHT,
    arrowright: Action.MOVE_RIGHT,

    w: Action.MOVE_UP,
    arrowup: Action.MOVE_UP,

    s: Action.MOVE_DOWN,
    arrowdown: Action.MOVE_DOWN,

    " ": Action.INTERACT,
    enter: Action.INTERACT,
  };

  // value -> [key] from KeyActions
  export const ActionKeys: Map<Action, string[]> = Object.keys(
    KeyActions,
  ).reduce((acc: Map<Action, string[]>, key) => {
    const action = KeyActions[key.toLowerCase()];

    if (acc.has(action)) {
      acc.get(action)!.push(key);
      return acc;
    }

    acc.set(action, [key]);
    return acc;
  }, new Map());
}

export namespace Miscellaneous {
  export const WIDTH = 800;
  export const HEIGHT = 800;

  export const DEFAULT_GRID_WIDTH = 30;
  export const DEFAULT_GRID_HEIGHT = 30;
}