feat: Plugins enhancements

Author: rstoenescu

src/install.js

@@ -50,6 +50,7 @@ export default function (_Vue, opts = {}) {
     })
   }
   if (opts.plugins) {
+    Platform.install({ Quasar })
     Object.keys(opts.plugins).forEach(key => {
       const p = opts.plugins[key]
       if (typeof p.install === 'function') {

src/plugins/app-fullscreen.js

@@ -23,7 +23,11 @@ export default {
     }
   },
 
+  __installed: false,
   install ({ Quasar, Vue }) {
+    if (this.__installed) { return }
+    this.__installed = true
+
     const request = [
       'requestFullscreen',
       'msRequestFullscreen', 'mozRequestFullScreen', 'webkitRequestFullscreen'

src/plugins/app-visibility.js

@@ -2,7 +2,11 @@
 export default {
   isVisible: null,
 
+  __installed: false,
   install ({ Quasar, Vue }) {
+    if (this.__installed) { return }
+    this.__installed = true
+
     let prop, evt
 
     if (typeof document.hidden !== 'undefined') { // Opera 12.10 and Firefox 18 and later support

src/plugins/cookies.js

@@ -96,7 +96,11 @@ export default {
   remove,
   all: () => get(),
 
+  __installed: false,
   install ({ Quasar }) {
+    if (this.__installed) { return }
+    this.__installed = true
+
     Quasar.cookies = this
   }
 }

src/plugins/platform.js

@@ -168,7 +168,11 @@ const Platform = {
     iframe: window.self !== window.top
   },
 
+  __installed: false,
   install ({ Quasar }) {
+    if (this.__installed) { return }
+    this.__installed = true
+
     Quasar.platform = Platform
   }
 }

src/plugins/web-storage.js

@@ -178,8 +178,12 @@ export const SessionStorage = {
 }
 
 export default {
+  __installed: false,
   install ({ Quasar }) {
+    if (this.__installed) { return }
+    this.__installed = true
+
     Quasar.sessionStorage = SessionStorage
-    Quasar.localStorage = localStorage
+    Quasar.localStorage = LocalStorage
   }
 }