more standardization

This commit is contained in:
Bryce Covert
2020-08-17 10:58:08 -07:00
parent 8036d34a4e
commit cfa19350f8

View File

@@ -0,0 +1,37 @@
(ns auto-ap.effects.forward
(:require [re-frame.core :as re-frame]))
(def id->listen-fn (atom {}))
(re-frame/reg-fx
::register
(let [process-one-entry (fn [{:as m :keys [id events event-fn]}]
(let [_ (assert (map? m) (str "re-frame: effects handler for :forward-events expected a map or a list of maps. Got: " m))
_ (assert (= #{:id :events :event-fn} (-> m keys set)) (str "re-frame: effects handler for :forward-events given wrong map keys" (-> m keys set)))]
(let [post-event-callback-fn (fn [event-v _]
(when (events (first event-v))
(re-frame/dispatch (event-fn event-v))))]
(re-frame/add-post-event-callback post-event-callback-fn)
(swap! id->listen-fn assoc id post-event-callback-fn))))]
(fn [val]
(cond
(map? val) (process-one-entry val)
(sequential? val) (doall (map process-one-entry val))
:else (re-frame/console :error ":forward-events expected a map or a list of maps, but got: " val)))))
(re-frame/reg-fx
::dispose
(let [process-one-entry (fn [{:as m :keys [id]}]
(let [_ (assert (map? m) (str "re-frame: effects handler for :forward-events expected a map or a list of maps. Got: " m))
_ (assert (= #{:id} (-> m keys set)) (str "re-frame: effects handler for :forward-events given wrong map keys" (-> m keys set)))]
(let [f (@id->listen-fn id)
_ (assert (some? f) (str ":forward-events asked to unregister an unknown id: " id))]
(re-frame/remove-post-event-callback f)
(swap! id->listen-fn dissoc id))))]
(fn [val]
(cond
(map? val) (process-one-entry val)
(sequential? val) (doall (map process-one-entry val))
:else (re-frame/console :error ":forward-events expected a map or a list of maps, but got: " val)))))