Python's xrange() for javascript

xrange.js

function* xrange(start, stop, step)
{
    if(stop === undefined)
    {
        stop = start;
        start = 0;
    }

    if(step === undefined)
    {
        step = 1;
    }
    
    for(let i=start; start < stop ? i < stop : i > stop; i += step)
    {
        yield i;
    }
}

// Usage example:
//for (const i of xrange(10))
//{
//    console.log(i);
//}