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form.cljs
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form.cljs
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(ns re-action.form
(:require [reagent.core :as r]))
(defn touched?
([form]
(->> form
(map #(:touched (val %)))
(every? true?)))
([form id]
(get-in form [id :touched])))
(defn dirty?
([form]
(->> form
(map #(:dirty (val %)))
(every? true?)))
([form id]
(get-in form [id :dirty])))
(defn valid?
([form]
(->> form
(map #(vals (:errors (val %))))
(reduce #(into %1 %2) '())
(every? false?)))
([form id]
(->> (get-in form [id :errors])
(vals)
(every? false?)))
([form id error]
(not (get-in form [id :errors error]))))
(defn value [form]
(->> form
(map #(-> [(key %) (:value (val %))]))
(into {})))
(defn- errors [validators value]
(->> validators
(map #(-> [(key %) (not ((val %) value))]))
(into {})))
(defn create [form]
(let [controls (r/atom {})]
(r/after-render
#(doseq [[id validators] form]
(let [element (.getElementById js/document (name id))
value (.-value element)]
(swap! controls update id assoc
:value value
:errors (errors validators value))
(set! (.-oninput element) (fn [e]
(let [value (.. e -target -value)]
(swap! controls update id assoc
:value value
:dirty true
:errors (errors validators value)))))
(set! (.-onblur element) (fn [_]
(swap! controls assoc-in [id :touched] true))))))
controls))