What is the classification of a function that outputs an enum element?

I am unsure about what should be the appropriate type for the function that retrieves an enum member in my code. Here is the current version of my code:

interface Letter {
    character: string,
    color: Function
}

enum Color {
    Green,
    Yellow,
    Grey
}

const letter_1: Letter = {
    character: playerInput[0],
    color: () => {
        if (letter_1.character === playerInput[0])
            return Color.Green;
            
        else {
            for (let i = 0; i < playerInput.length; i ++) {
                if (letter_1.character === playerInput[i])
                    return Color.Yellow;
            }
        }
         
        return Color.Grey;
    }
};

In the Letter interface, I have currently defined the type for color() as Function. However, I suspect there might be a more suitable type for it that I am not aware of.

Answer №1

If you're searching for the correct type, it is () => Color, which represents a function with no arguments that returns a Color enum value:

interface Symbol {
    sign: string,
    shade: () => Color
}

enum Color {
    Red,
    Blue,
    Purple
}

const symbol: Symbol = {
    sign: '',
    shade: () => Color.Red
};

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