function base64UrlDecode()

in Modules/common.js [62:67]

• 6 lines of code
• 2 McCabe index (conditional complexity)

function base64UrlDecode(encoded) {
    encoded = encoded.replace('-', '+').replace('_', '/');
    while (encoded.length % 4)
      encoded += '=';
    return base64Decode(encoded);
}