'How to output different files (paths) based on environment (dev/prod) on Laravel Mix?

I'm using Vue, and using vue.esm-bundler.js build. Docs say:

Leaves prod/dev branches with process.env.NODE_ENV guards (must be replaced by bundler)

So I would like to have different file outputs with npx mix vs npx mix -p. Is it possible? Or, how should I do in this use case?

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