function getBase64IndexValue()

in lib/utils.js [439:456]

• 18 lines of code
• 9 McCabe index (conditional complexity)

function getBase64IndexValue(character) {
    var asciiCode = character.charCodeAt(0);
    var asciiOfA = 65;
    var differenceBetweenZanda = 6;
    if (asciiCode >= 65 && asciiCode <= 90) {           // between "A" and "Z" inclusive
        return asciiCode - asciiOfA;
    } else if (asciiCode >= 97 && asciiCode <= 122) {   // between 'a' and 'z' inclusive
        return asciiCode - asciiOfA - differenceBetweenZanda;
    } else if (asciiCode >= 48 && asciiCode <= 57) {    // between '0' and '9' inclusive
        return asciiCode + 4;
    } else if (character == "+") {
        return 62;
    } else if (character == "/") {
        return 63;
    } else {
        return null;
    }
}