feat: add plugin

Author: stadial

plugins/clearLocalStorageOnUpdate.js

@@ -0,0 +1,28 @@
+/// from https://forum.vuejs.org/t/best-way-to-clear-localstorage/63125/4
+
+let version = process.env.APP_VERSION;
+
+// Store intial version in localStorage
+if (!localStorage.getItem('app_version')) {
+	localStorage.setItem('app_version', version);
+}
+
+console.log('Initial app version', localStorage.getItem('app_version'))
+
+// Now lets imagine the user comes back to your app after a period of time...
+// The version in package.json has changed and therefore you need to update your localStorage version
+
+console.log('New app version', version)
+
+// This timeout is just for this example
+if (localStorage.getItem('app_version') !== version) {
+	if (confirm(`New app version ${version} available, please refresh`)) {
+		// Refresh the page and clear the app_version, so it can be set again with the latest version
+		localStorage.removeItem('app_version');
+		localStorage.clear();
+
+		// Fire a refresh
+		window.location.reload();
+	}
+}
+