Apply suggestions from code review (2)

client/components/ModulesTreemap.jsx

@@ -4,7 +4,8 @@ import filesize from 'filesize';
 import {computed} from 'mobx';
 import {observer} from 'mobx-preact';
 
-import {isChunkParsed, localStorage} from '../utils';
+import {isChunkParsed} from '../utils';
+import localStorage from '../localStorage';
 import Treemap from './Treemap';
 import Tooltip from './Tooltip';
 import Switcher from './Switcher';

client/localStorage.js

@@ -0,0 +1,25 @@
+const KEY_PREFIX = 'wba';
+
+export default {
+
+  getItem(key) {
+    try {
+      return JSON.parse(window.localStorage.getItem(`${KEY_PREFIX}.${key}`));
+    } catch (err) {
+      return null;
+    }
+  },
+
+  setItem(key, value) {
+    try {
+      window.localStorage.setItem(`${KEY_PREFIX}.${key}`, JSON.stringify(value));
+    } catch (err) { /* ignored */ }
+  },
+
+  removeItem(key) {
+    try {
+      window.localStorage.removeItem(`${KEY_PREFIX}.${key}`);
+    } catch (err) { /* ignored */ }
+  }
+
+};

client/store.js

@@ -1,5 +1,6 @@
 import {observable, computed} from 'mobx';
-import {isChunkParsed, walkModules, localStorage} from './utils';
+import {isChunkParsed, walkModules} from './utils';
+import localStorage from './localStorage';
 
 export class Store {
   cid = 0;

client/utils.js

@@ -17,27 +17,3 @@ export function walkModules(modules, cb) {
 export function elementIsOutside(elem, container) {
   return !(elem === container || container.contains(elem));
 }
-
-export const localStorage = {
-
-  getItem(k) {
-    try {
-      return window.localStorage.getItem(k);
-    } catch (x) {
-      return null;
-    }
-  },
-
-  setItem(key, value) {
-    try {
-      window.localStorage.setItem(`${KEY_PREFIX}.${key}`, JSON.stringify(value));
-    } catch (err) { /* ignored */ }
-  },
-
-  removeItem(key) {
-    try {
-      window.localStorage.removeItem(key);
-    } catch (err) { /* ignored */ }
-  }
-
-};