Tips on listening for new files?

[RWOverdijk]

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I want to generate an index.ts file for every locale/namespaces dir. Example:

export { default as auth } from './auth.json';
export { default as translation } from './translation.json';

I am unsure what the best place to do this would be. Is this already possible? If not, any tips on where to put this behavior?

[RWOverdijk]

I've made my own babel plugin that runs alongside this one to write the file, but it is pretty heavy because it's not well suited as a plugin.