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Beyond Promise<any>: Designing a Type-Safe Modal API

await modal.open(...) improves control flow. But if the result is any , the most important part of the contract is still unchecked.

  • Modal API designed as asynchronous operation with input and promise for result.
  • Type safety enforced by generic Modal TInput, TResult structure.
  • Producer and consumer sides of interaction are checked for contract preservation.

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