function readUnsignedVarIntFrom()

in varint.js [74:87]

• 14 lines of code
• 4 McCabe index (conditional complexity)

function readUnsignedVarIntFrom(destResult, buffer, offset) {
    var start = offset;
    var n = 0;
    while (offset < buffer.length) {
        var b = buffer.readUInt8(offset++, true);
        if (n !== 0) n <<= 7;
        n += b & 0x7f;
        if (!(b & 0x80)) {
            return destResult.reset(null, offset, n);
        }
    }
    var got = offset - start;
    return ReadResult.poolShortError(destResult, got + 1, got, start, offset);
}