function escapeAllowedCharacter()

in benchmark/old.js [465:493]

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

    function escapeAllowedCharacter(code, next) {
        var hex, result = '\\';

        switch (code) {
        case 0x08  /* \b */:
            result += 'b';
            break;
        case 0x0C  /* \f */:
            result += 'f';
            break;
        case 0x09  /* \t */:
            result += 't';
            break;
        default:
            hex = code.toString(16).toUpperCase();
            if (json || code > 0xFF) {
                result += 'u' + '0000'.slice(hex.length) + hex;
            } else if (code === 0x0000 && !esutils.code.isDecimalDigit(next)) {
                result += '0';
            } else if (code === 0x000B  /* \v */) { // '\v'
                result += 'x0B';
            } else {
                result += 'x' + '00'.slice(hex.length) + hex;
            }
            break;
        }

        return result;
    }