Marijuana and breastfeeding

Please no judgement on this. I'm simply looking for some answers I'm struggling to find.

Prepregnancy I would occasionally smoke marijuana when I was extremely anxious and it would help calm my nerves and sleep. My baby is almost 8 months old and I have yet to touch it. However, lately my anxiety has been ramping up so much so quickly.

I've tried to do my own research but can't seem to find anything so want to ask someone who maybe has more knowledge than I about it.

Will smoking marijuana once in a while, while breastfeeding harm my baby, my supply, anything at all? Or is it like alcohol and wait a few hour and you're good to go?