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Spec Visitor

(require '[spec-tools.visitor :as visitor])

An utility to walk over and transform specs using the Visitor-pattern. Main entry point is the spec-tools.visitor/visit function, extendable via spec-tools.visitor/visit-spec multimethod.

Both the Spec to JSON Schema and Spec to Swagger Schema conversions are implemented using the visitor.

Example to collect all spec names & forms:

(require '[clojure.spec.alpha :as s])
(require '[spec-tools.visitor :as visitor])

(s/def ::id string?)
(s/def ::name string?)
(s/def ::street string?)
(s/def ::city #{:tre :hki})
(s/def ::address (s/keys :req-un [::street ::city]))
(s/def ::user (s/keys :req-un [::id ::name ::address]))

;; visitor to recursively collect all registered spec forms
(let [specs (atom {})]
    (fn [_ spec _ _]
      (if-let [s (s/get-spec spec)]
        (swap! specs assoc spec (s/form s))
;#:user{:id clojure.core/string?,
;       :name clojure.core/string?,
;       :street clojure.core/string?,
;       :city #{:tre :hki},
;       :address (clojure.spec.alpha/keys :req-un [:user/street :user/city]),
;       :user (clojure.spec.alpha/keys :req-un [:user/id :user/name :user/address])}

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