[ANN] Dominoes front-end validation library

[Kelker Ryan]

dominoes

A ClojureScript front-end validation library => https://github.com/runexec/dominoes

Click here to try it live or watch the animated GIF preview (loading)

Usage Example

(use '[dominoes.core
       :only [document-ready?
              validate!
              valid-submit!
              *error-style*]])

(defn init []
  (when (document-ready?)

    ;; Update error style
    ;; You can also update *error-remove-style*

    (swap! *error-style* assoc :color "red")

    ;; validate object id
    (validate! "name-input"
               ;; error message label object id
               "name-error" 
               ;; [event-kw test-fn error-msg test-fn err etc...]
               ;; validate! accepts mutliple events
               [:click
                "Does nothing"
                #(or % true)] 
               ;; Empty or not, the following must be valid
               ;; and checked while typing
               [:keyup ;; onKeyUp
                "Name can only contain letters and numbers"
                #(< 0 (count
                       (.. (str %)
                           (match 
                            (js/RegExp. "^\\w+$")))))
                "Name must be at least 3 chars long"
                #(<= 3 (count %))
                "Name must not contain a space"
                #(not (.. (str %) (contains " ")))])

    ;; Enforce a valid submission
    ;; submit button object id
    (valid-submit! "submit-button"
                   ;; error message label object id
                   "submit-error"
                   ;; error message
                   "The form input is invalid!"
                   ;; do on valid
                   (fn [] (.. js/document (write "Form is valid!"))))))
(set! (.. js/window -onload) init)

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