Is the lack of polyfill support for ES6's codePointAt() and fromCodePoint() in Babel on React Native a bug?

362 Views Asked by hippietrail At 04 April 2025 at 14:15

I discovered that two EcmaScript 6 Unicode functions work in my React Native app in Android but not iOS.

Since Babel is a transpiler that's supposed to make ES6 syntax available on to various JavaScript engines, is this omission a bug in Babel?

Or does Babel have some more subtle concept of subsets of ES6 of which React Native does not by default include this part?

So is this lack a bug? Should I report it to Babel or to React Native?

(Yes I've rolled my own polyfill for now, so this question is only about whether having to do this is a bug.)

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