he/him 
This ends up in most of my projects: type Dict<T> = { [key: string]: T }
I find myself using `{[key: string]: mixed}` so much for dynamicish data that I feel like Flow/TypeScript should make it a built-in.
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Ohhh I like this. I could also just shove it in a typelib if I'm too lazy to import it (which I am).
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TypeScript has Record<KeyType, ValueType>. So here it would be Record<string, any>. Works with string unions too.
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That’ll be awesome! I think that everyone has the same experience at least once
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Type alias? Also for TS, use `{ [key: string]: unknown }`.
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