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Only return error message string? #77

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leontalbot opened this issue Mar 28, 2018 · 1 comment

leontalbot commented Mar 28, 2018

Is there a way to pass a fn to spec and value and that it would return error message string.

(def email-regex #"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,63}$")

(expound/def :example/email (s/and string? #(re-matches email-regex %)) "should be a valid email address")

(expound/expound-error :example/email "sally@")

;; => "should be a valid email address"

leontalbot changed the title ~~How can I access only the error messages?~~ On return error message string?

leontalbot changed the title ~~On return error message string?~~ Only return error message string?

Owner

bhb commented Mar 28, 2018

I discussed this on slack with @leontalbot but in case someone else finds this, I suggested the following:

(expound/def :user/name string? "should be a valid name")

(defn msg [spec val]
  (if (s/valid? spec val)
    nil
    (expound/error-message spec)))

(msg :user/name "John") ; => nil
(msg :user/name :John) ;  => "should be a valid name"

bhb closed this as completed

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