php正则表达式为js正则表达式

I want to convert this php regex to js regex, to get same result. Please, check live here..

/(\{(?>[^{}]+|(?1))*\})/m

want matches like this:

https://regex101.com/r/EYhxny/1

Unfortunately, javascript PCRE doesn't have recursive parameters ( (?1) (?R), etc). But you can try use loop for all matching.