Create localstorage helper

src/day8/re_frame/localstorage.cljs

@@ -0,0 +1,16 @@
+(ns day8.re-frame.trace.localstorage
+  (:require [goog.storage.Storage :as Storage]
+            [goog.storage.mechanism.HTML5LocalStorage :as html5localstore]))
+
+(defn- storage []
+  (let [mech (goog.storage.mechanism.HTML5LocalStorage.)
+        store (goog.storage.Storage. mech)]
+    store))
+
+(defn get! [key]
+  (let [store (storage)]
+    (.get store key)))
+
+(defn set! [key val]
+  (let [store (storage)]
+    (.set store key val)))

src/day8/re_frame/trace.cljs

@@ -2,6 +2,7 @@
   (:require [day8.re-frame.trace.subvis :as subvis]
             [day8.re-frame.trace.styles :as styles]
             [day8.re-frame.trace.components :as components]
+            [day8.re-frame.trace.localstorage :as localstorage]
             [re-frame.trace :as trace :include-macros true]
             [cljs.pprint :as pprint]
             [clojure.string :as str]