You can use `&` operator to combine types. Works for adding fields, making brand... | Hacker News

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		auxiliarymoose 3 days ago \| parent \| context \| favorite \| on: JSDoc is TypeScript You can use `&` operator to combine types. Works for adding fields, making branded types, etc.

g947o 3 days ago [–]

which is not the same as "extends".

spoiler 3 days ago | [–]

There's also a slight performance caveat when it comes to interfaces vs intersections (&) to keep in mind: https://github.com/microsoft/Typescript/wiki/Performance#pre...

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