TypeScript · Middle · Question 71 of 75

What does `export type * from './types'` do (TS 5.0+)?

✓Correct answer: Re-exports all types from a module so they can be used only in type positions
2Exports runtime values as types
3Converts classes to interfaces

Explanation

It's fully erased at compile time and pairs well with verbatimModuleSyntax and type-only barrels.

Further reading

TS 5.0: const type parameters, decorators ↗

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