Letter.js

//Letter.js: Contains a constructor, Letter. 
class Letter {
    constructor(character) {
        //A string value to store the underlying character for the letter
        this.letter = character;
        //A boolean value that stores whether that letter has been guessed yet
        this.guessed = false;
        this.toString = function () {
            //Returns the underlying character if the letter has been guessed
            if (this.guessed) { return this.letter; }
            else if (this.letter === " "){
                return " "
            }

            //Returns a placeholder (underscore) if the letter has not been guessed
            else { return "_"; }
        };
        this.checkCharacter = function (input) {
            //Takes a character as an argument and checks it against the underlying character
            if (input === this.letter)
            //Updates the stored boolean value to true if it was guessed correctly
            { this.guessed = true; }
        };
    }
}

// exporting our Letter constructor
export default Letter;