4 replies

Modeling calling an external API with Option and Effect

Hey all. I'm trying to model calling an external API but only if I have some input data available and I'm having some trouble thinking it through with Option and Effect. I've got this so far but it looks a bit gross. Is there a better way I can express this?

const maybeGetPerson = (maybePersonId: Option.Option<PersonId>) => pipe(
    maybePersonId,
    Option.map(_ => Queries.getPerson(_).pipe(Effect.asSome)),
    Option.getOrElse(() => Effect.succeed(Option.none()))
)

const maybeGetPerson = (maybePersonId: Option.Option<PersonId>) => pipe(
    maybePersonId,
    Option.map(_ => Queries.getPerson(_).pipe(Effect.asSome)),
    Option.getOrElse(() => Effect.succeed(Option.none()))
)

Effect Community•3y ago•

4 replies

bste

Modeling calling an external API with Option and Effect

const maybeGetPerson = (maybePersonId: Option.Option<PersonId>) => pipe(
    maybePersonId,
    Option.map(_ => Queries.getPerson(_).pipe(Effect.asSome)),
    Option.getOrElse(() => Effect.succeed(Option.none()))
)

const maybeGetPerson = (maybePersonId: Option.Option<PersonId>) => pipe(
    maybePersonId,
    Option.map(_ => Queries.getPerson(_).pipe(Effect.asSome)),
    Option.getOrElse(() => Effect.succeed(Option.none()))
)

Modeling calling an external API with Option and Effect

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