Well first I'd say it's actually more important here that you are reusing
the attribute specs for ::fname ::lname etc across front and back.
And second, perhaps you should be breaking out the common parts into a spec
you can reuse instead:
(s/def ::person-shared-spec (s/keys ::req-un [::fname ::lname]))
(s/def ::person-spec (s/merge ::person-shared-spec (s/keys ::req-un
[::id])))
(s/def ::person-ui-spec (s/merge ::person-shared-spec (s/keys ::req-un
[::channel])))
Or maybe you really want to combine both of these into a single spec:
(s/def ::person-spec (s/keys :req-un [(or ::id ::channel) ::fname ::lname]))
Or you could potentially use multi-spec, but I doubt you need an open spec
for this.
We're not going to add anything like dissoc afaik.
On Tuesday, July 19, 2016 at 11:54:52 AM UTC-5, Mamun wrote:
>
> Hi
>
> Without dissoc in keys, how to avoid duplicate spec between backend and
> frontend layer?
>
> As an example
>
> I have backend service where I defined spec like this
>
> (s/def ::person-spec (s/keys ::req-un [::id ::fname ::lname]))
>
> Here Id is mandatory for some purpose.
>
> Now application layer I would like to reuse that backend spec but only id.
> Look like now it is not possible as there is no dissoc
>
> As it is application layer
>
> (s/def ::person-ui-spec (s/merge (s/keys ::req-un [::channel])
>::person-spec
>) )
>
> merge is excellent, as I could reuse exiting spec. But how I dissoc id
> from exiting spec.
>
> Only way is now to do is define again in application layer.
>
> (s/def ::person-ui-spec (s/keys ::req-un [::channel ::fname ::lname]))
>
>
> Do you consider dissoc in spec for keys?
>
>
>
> Br,
> Mamun
> bnp paribas groups
>
>
>
>
>
>
>
>
>
>
>
>
>
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