Is it necessary for me to include the class in an external interface file that holds functions which receive the class object as a parameter?

In the process of creating an external interface file that includes various functions for the Game class, one particular function requires a Player object as a parameter. The question arises: should the Player file be imported into the interface file?

interface GameInterface {
    addPlayer(player: Player);
    gamePlayers();
    nextMove(row: number, col: number):boolean;
    validateCell(row: number, col: number): boolean;
    lookForWinningPattern();
    horizontal(): boolean;
    vertical(): boolean;
    diagonalLeftToRight(): boolean;
    diagonalRightToLeft(): boolean;
    printSummary ();
}

Answer №1

To avoid importing the entire file, simply import the Player interface or class from it. Make sure to export your interface so it can be utilized in other files:

import {Player} from './player'; // The location of the player interface/class

export interface GameInterface {
    addPlayer(player: Player);
    gamePlayers();
    nextMove(row: number, col: number):boolean;
    validateCell(row: number, col: number): boolean;
    lookForWinningPattern();
    horizontal(): boolean;
    vertical(): boolean;
    diagonalLeftToRight(): boolean;
    diagonalRightToLeft(): boolean;
    printSummary ();
}

If you only use Player as a type, the player will not be bundled. It is solely used for compile-time type checking.

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