> Runtime type checking of JSON payloads We've been using Mobx State Tree for this, which also gives us frontend models and automatically generates interfaces.

> Runtime type checking of JSON payloads We've been using Mobx State Tree for this, which also gives us frontend models and automatically generates interfaces. Obviously only works for you if you're using Mobx, but we love it. https://github.com/mobxjs/mobx-state-tree https://github.com/mobxjs/mobx-state-tree