React Native CCAvenue integration

Multi tool use
React Native CCAvenue integration
I have an e-commerce site made using Magento and I have integrated CCAvenue payment gateway with it. Now I am making an app in React Native, since I have less experience with RN and app development in general, and since CCAvenue doesn't have an integration JavaScript library for RN, I am not able to figure out how to go about integrating CCAvenue in the app. I looked on their website (here) and found they have a guide on how integrate it on each platform (Android and iOS) but I want to resist myself from writing any native code as long as possible. i don't think using WebView in React Native would help since there wouldn't be any way to let CCAvenue know the transaction details. Any help on how I should go about this would be grateful.
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