Jiffy in Flutter Web problem in iOSX

[chitgoks]

Jiffy works with Flutter Web in Android and desktop browsers.
I cannot use it in iOS and OSX browsers. Getting this error.

This is how i use the code
Jiffy('2020-06-19T15:37:22', 'yyyy-MM-ddTHH:mm:ss').format('MMM d, yyyy')

I pinpointed this problem because i commented out this line of code and the web app works fine.
thoughts?

for now i used a different library and it worked ok in flutter web iOSX browsers.

[firatagdas]

I was about to file a report because of this. This is because Safari doesn't support ?<= regex pattern. Any update on that?

[xellDart]

same error