uselesspickles / ts-string-visitor Goto Github PK

enum RGB {
    R = "r",
    G = "g",
    B = "b"
}

function rgbIdentity(rgb: RGB): RGB {
    return visitString(rgb).with<RGB>({
        // ERROR: type of `value` not inferred properly!
        // Type is implicitly 'any'
        [RGB.R]: (value) => {
            return value;
        },
        // Work-around option #1
        [RGB.G]: (value: RGB.G) => {
            return value;
        },
        // Work-around option #2
        "b": (value) => {
            return value;
        }
    });
}