Polyfill newer JS features. Primarily targeted at older phones (for example, iOS 8) that will still run React Native. This library mutates JavaScript's built-in objects and should be used judiciously.
Polyfills and patches missing or partially supported web and core APIs
A lightweight and trustworthy URL polyfill for React Native
Universal WHATWG Fetch API for Node, Browsers and React Native
Cross-platform crypto primitives for building apps for TON blockchain. For internal implementation of `@ton/crypto`.
A small implementation of `crypto.getRandomValues` for React Native. This is useful to polyfill for libraries like [uuid](https://www.npmjs.com/package/uuid) that depend on it.
Web Streams, based on the WHATWG spec reference implementation
A fetch API polyfill for React Native with text streaming support.
React Native polyfill for globals required for Data Integrity and VC apps (TextEncoder, crypto.subtle, etc).
[](https://www.npmjs.com/package/@ton/crypto)
Polyfills for various browsers including commonly used language features
Lightweight promise polyfill. A+ compliant
Native Promise Only: A polyfill for native ES6 Promises **only**, nothing else.
A native "Headers" class polyfill.
Node/Pure JavaScript symmetric ciphers adapter
Encryption, decryption, and key related utility functions
The Babel preset for Expo projects
A collection of polyfills for the react-native Javascript environment.
Backwards compatibility polyfill for React class components
ECMAScript 6 Symbol polyfill
Fast polyfill for TextEncoder and TextDecoder, only supports utf-8
Fork of eventsource package - W3C compliant EventSource client for Node.js and browser (polyfill)
A polyfill for the Resize Observer API
Babel helper to create your own polyfill provider