local storage garbage collector

packages/web/src/utility/localStorageGarbageCollector.js

@@ -0,0 +1,35 @@
+import moment from 'moment';
+import localforage from 'localforage';
+
+export default async function localStorageGarbageCollector() {
+  const openedTabsJson = localStorage.getItem('openedTabs');
+  let openedTabs = openedTabsJson ? JSON.parse(openedTabsJson) : [];
+
+  const closeLimit = moment().add(-7, 'day').valueOf();
+
+  openedTabs = openedTabs.filter(x => !x.closedTime || x.closedTime > closeLimit);
+  localStorage.setItem('openedTabs', JSON.stringify(openedTabs));
+
+  const toRemove = [];
+  for (const key in localStorage) {
+    if (!key.startsWith('tabdata_')) continue;
+    if (openedTabs.find(x => key.endsWith('_' + x.tabid))) continue;
+    toRemove.push(key);
+  }
+
+  for (const key of toRemove) {
+    localStorage.removeItem(key);
+  }
+
+  const keysForage = await localforage.keys();
+  const toRemoveForage = [];
+  for (const key in keysForage) {
+    if (!key.startsWith('tabdata_')) continue;
+    if (openedTabs.find(x => key.endsWith('_' + x.tabid))) continue;
+    toRemoveForage.push(key);
+  }
+
+  for (const key of toRemoveForage) {
+    await localforage.removeItem(key);
+  }
+}