Function deferredAsPromise

packages/opencode/test/session/prompt.test.ts:341–357

(deferred: Deferred.Deferred<A>)

const hasBash = Effect.sync(() => Bun.which("bash") !== null)

const deferredAsPromise = <A>(deferred: Deferred.Deferred<A>): PromiseLike<A> => ({
  then: (onfulfilled, onrejected) => {
    Effect.runFork(
      Deferred.await(deferred).pipe(
        Effect.match({
          onFailure: (error) => {
            onrejected?.(error)
          },
          onSuccess: (value) => {
            onfulfilled?.(value)
          },
        }),
      ),
    )
    return deferredAsPromise(deferred) as PromiseLike<never>
  },
})

function defer<T>() {
  let resolve!: (value: T | PromiseLike<T>) => void