Shopify goes all in on React Native for mobile development 3 years after Airbnb dropped it like 3rd-grade French

Shopify, a commerce platform that claims over a million businesses as customers, is going "full steam ahead" in shifting all its mobile development to React Native. In a detailed post, Shopify engineering veep Farhan Thawar explained why the team is changing from its present policy of native mobile development to use a cross- …

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Lack of type safety in Javascript

FWIW, you can decorate your code with JSDoc comments (@type, @param, @returns, etc.), then use either the Typescript compiler or the Google Closure compiler to validate the type-safety. If you find yourself in an environment where you can't use Typescript directly, this is the next best thing.