Merge pull request #1027 from PolymerElements/2.0-preview

Migrate PSK to Polymer 2.0

Author: abdonrd

.eslintrc.json

@@ -1,14 +1,19 @@
 {
   "extends": ["eslint:recommended", "google"],
+  "parserOptions": {
+    "ecmaVersion": 6
+  },
   "env": {
     "browser": true
   },
   "plugins": [
     "html"
   ],
   "rules": {
+    "brace-style": "off",
+    "new-cap": ["error", { "capIsNewExceptions": ["Polymer"] }],
     "no-var": "off",
-    "new-cap": ["error", { "capIsNewExceptions": ["Polymer"] }]
+    "require-jsdoc": "off"
   },
   "globals": {
     "Polymer": true

bower.json

@@ -5,16 +5,19 @@
   ],
   "license": "https://polymer.github.io/LICENSE.txt",
   "dependencies": {
-    "app-layout": "PolymerElements/app-layout#^1.0.0",
-    "app-route": "PolymerElements/app-route#^1.0.0",
-    "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.3.0",
-    "iron-iconset-svg": "PolymerElements/iron-iconset-svg#^1.1.0",
-    "iron-media-query": "PolymerElements/iron-media-query#^1.0.0",
-    "iron-pages": "PolymerElements/iron-pages#^1.0.0",
-    "iron-selector": "PolymerElements/iron-selector#^1.5.0",
-    "paper-icon-button": "PolymerElements/paper-icon-button#^1.1.0",
-    "polymer": "Polymer/polymer#^1.9.0",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
+    "app-layout": "PolymerElements/app-layout#^2.0.0",
+    "app-route": "PolymerElements/app-route#^2.0.0",
+    "iron-flex-layout": "PolymerElements/iron-flex-layout#^2.0.0",
+    "iron-iconset-svg": "PolymerElements/iron-iconset-svg#^2.0.0",
+    "iron-media-query": "PolymerElements/iron-media-query#^2.0.0",
+    "iron-pages": "PolymerElements/iron-pages#^2.0.0",
+    "iron-selector": "PolymerElements/iron-selector#^2.0.0",
+    "paper-icon-button": "PolymerElements/paper-icon-button#^2.0.0",
+    "polymer": "Polymer/polymer#^2.0.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0"
+  },
+  "resolutions": {
+    "polymer": "^2.0.0"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^6.0.0"

index.html

@@ -60,12 +60,6 @@
     <meta name="msapplication-tap-highlight" content="no">
 
     <script>
-      // Setup Polymer options
-      window.Polymer = {
-        dom: 'shadow',
-        lazyRegister: true,
-      };
-
       /**
       * [polymer-root-path]
       *
@@ -78,42 +72,9 @@
       * to indicate the path from which you'll be serving, including leading
       * and trailing slashes (e.g., `/my-app/`).
       */
-      window.Polymer.rootPath = '/';
-
-      // Load webcomponentsjs polyfill if browser does not support native
-      // Web Components
-      (function() {
-        'use strict';
-
-        var onload = function() {
-          // For native Imports, manually fire WebComponentsReady so user code
-          // can use the same code path for native and polyfill'd imports.
-          if (!window.HTMLImports) {
-            document.dispatchEvent(
-              new CustomEvent('WebComponentsReady', {bubbles: true})
-            );
-          }
-        };
-
-        var webComponentsSupported = (
-          'registerElement' in document
-          && 'import' in document.createElement('link')
-          && 'content' in document.createElement('template')
-        );
-
-        if (!webComponentsSupported) {
-          var script = document.createElement('script');
-          script.async = true;
-          script.src =
-            'bower_components/webcomponentsjs/webcomponents-lite.min.js';
-          script.onload = onload;
-          document.head.appendChild(script);
-        } else {
-          onload();
-        }
-      })();
-
-      // Load pre-caching Service Worker
+      window.Polymer = {rootPath: '/'};
+
+      // Load and register pre-caching Service Worker
       if ('serviceWorker' in navigator) {
         window.addEventListener('load', function() {
           navigator.serviceWorker.register('service-worker.js', {
@@ -123,8 +84,13 @@
       }
     </script>
 
+    <!-- Load webcomponents-loader.js to check and load any polyfills your browser needs -->
+    <script src="bower_components/webcomponentsjs/webcomponents-loader.js"></script>
+
+    <!-- Load your application shell -->
     <link rel="import" href="src/my-app.html">
 
+    <!-- Add any global styles for body, document, etc. -->
     <style>
       body {
         margin: 0;

package.json

@@ -7,7 +7,7 @@
     "eslint-plugin-html": "^2.0.0"
   },
   "scripts": {
-    "lint": "npm run lint:javascript",
+    "lint": "npm run lint:javascript && polymer lint",
     "lint:javascript": "eslint . --ext js,html --ignore-path .gitignore",
     "test": "polymer test",
     "test:integration": "polymer build # test that psk builds without error with the CLI"

polymer.json

@@ -14,10 +14,10 @@
   ],
   "extraDependencies": [
     "manifest.json",
-    "bower_components/webcomponentsjs/webcomponents-lite.min.js"
+    "bower_components/webcomponentsjs/*.js"
   ],
   "lint": {
-    "rules": ["polymer-1"]
+    "rules": ["polymer-2"]
   },
   "builds": [
     {

src/my-app.html

@@ -8,7 +8,7 @@
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
-<link rel="import" href="../bower_components/polymer/polymer.html">
+<link rel="import" href="../bower_components/polymer/polymer-element.html">
 <link rel="import" href="../bower_components/app-layout/app-drawer/app-drawer.html">
 <link rel="import" href="../bower_components/app-layout/app-drawer-layout/app-drawer-layout.html">
 <link rel="import" href="../bower_components/app-layout/app-header/app-header.html">
@@ -22,6 +22,11 @@
 <link rel="import" href="../bower_components/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="my-icons.html">
 
+<link rel="lazy-import" href="my-view1.html">
+<link rel="lazy-import" href="my-view2.html">
+<link rel="lazy-import" href="my-view3.html">
+<link rel="lazy-import" href="my-view404.html">
+
 <dom-module id="my-app">
   <template>
     <style>
@@ -32,10 +37,15 @@
         display: block;
       }
 
+      app-drawer-layout:not([narrow]) [drawer-toggle] {
+        display: none;
+      }
+
       app-header {
         color: #fff;
         background-color: var(--app-primary-color);
       }
+
       app-header paper-icon-button {
         --paper-icon-button-ink-color: white;
       }
@@ -67,7 +77,7 @@
 
     <app-drawer-layout fullbleed narrow="{{narrow}}">
       <!-- Drawer content -->
-      <app-drawer id="drawer" swipe-open="[[narrow]]">
+      <app-drawer id="drawer" slot="drawer" swipe-open="[[narrow]]">
         <app-toolbar>Menu</app-toolbar>
         <iron-selector selected="[[page]]" attr-for-selected="name" class="drawer-list" role="navigation">
           <a name="view1" href="[[rootPath]]view1">View One</a>
@@ -79,7 +89,7 @@
       <!-- Main content -->
       <app-header-layout has-scrolling-region>
 
-        <app-header condenses reveals effects="waterfall">
+        <app-header slot="header" condenses reveals effects="waterfall">
           <app-toolbar>
             <paper-icon-button icon="my-icons:menu" drawer-toggle></paper-icon-button>
             <div main-title>My App</div>
@@ -101,38 +111,56 @@
   </template>
 
   <script>
-    Polymer({
-      is: 'my-app',
-
-      properties: {
-        page: {
-          type: String,
-          reflectToAttribute: true,
-          observer: '_pageChanged',
-        },
-      },
-
-      observers: [
-        '_routePageChanged(routeData.page)',
-      ],
-
-      _routePageChanged: function(page) {
+    class MyApp extends Polymer.Element {
+      static get is() { return 'my-app'; }
+
+      static get properties() {
+        return {
+          page: {
+            type: String,
+            reflectToAttribute: true,
+            observer: '_pageChanged',
+          },
+          routeData: Object,
+          subroute: String,
+          // This shouldn't be neccessary, but the Analyzer isn't picking up
+          // Polymer.Element#rootPath
+          rootPath: String,
+        };
+      }
+
+      static get observers() {
+        return [
+          '_routePageChanged(routeData.page)',
+        ];
+      }
+
+      _routePageChanged(page) {
+        // If no page was found in the route data, page will be an empty string.
+        // Deault to 'view1' in that case.
         this.page = page || 'view1';
 
+        // Close a non-persistent drawer when the page & route are changed.
         if (!this.$.drawer.persistent) {
           this.$.drawer.close();
         }
-      },
+      }
 
-      _pageChanged: function(page) {
+      _pageChanged(page) {
         // Load page import on demand. Show 404 page if fails
         var resolvedPageUrl = this.resolveUrl('my-' + page + '.html');
-        this.importHref(resolvedPageUrl, null, this._showPage404, true);
-      },
+        Polymer.importHref(
+            resolvedPageUrl,
+            null,
+            this._showPage404.bind(this),
+            true);
+      }
 
-      _showPage404: function() {
+      _showPage404() {
         this.page = 'view404';
-      },
-    });
+      }
+    }
+
+    window.customElements.define(MyApp.is, MyApp);
   </script>
 </dom-module>

src/my-view1.html

@@ -8,7 +8,7 @@
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
-<link rel="import" href="../bower_components/polymer/polymer.html">
+<link rel="import" href="../bower_components/polymer/polymer-element.html">
 <link rel="import" href="shared-styles.html">
 
 <dom-module id="my-view1">
@@ -30,8 +30,10 @@ <h1>View One</h1>
   </template>
 
   <script>
-    Polymer({
-      is: 'my-view1',
-    });
+    class MyView1 extends Polymer.Element {
+      static get is() { return 'my-view1'; }
+    }
+
+    window.customElements.define(MyView1.is, MyView1);
   </script>
 </dom-module>

src/my-view2.html

@@ -8,7 +8,7 @@
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
-<link rel="import" href="../bower_components/polymer/polymer.html">
+<link rel="import" href="../bower_components/polymer/polymer-element.html">
 <link rel="import" href="shared-styles.html">
 
 <dom-module id="my-view2">
@@ -30,8 +30,10 @@ <h1>View Two</h1>
   </template>
 
   <script>
-    Polymer({
-      is: 'my-view2',
-    });
+    class MyView2 extends Polymer.Element {
+      static get is() { return 'my-view2'; }
+    }
+
+    window.customElements.define(MyView2.is, MyView2);
   </script>
 </dom-module>

src/my-view3.html

@@ -8,7 +8,7 @@
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
-<link rel="import" href="../bower_components/polymer/polymer.html">
+<link rel="import" href="../bower_components/polymer/polymer-element.html">
 <link rel="import" href="shared-styles.html">
 
 <dom-module id="my-view3">
@@ -30,8 +30,10 @@ <h1>View Three</h1>
   </template>
 
   <script>
-    Polymer({
-      is: 'my-view3',
-    });
+    class MyView3 extends Polymer.Element {
+      static get is() { return 'my-view3'; }
+    }
+
+    window.customElements.define(MyView3.is, MyView3);
   </script>
 </dom-module>

src/my-view404.html

@@ -8,7 +8,7 @@
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
-<link rel="import" href="../bower_components/polymer/polymer.html">
+<link rel="import" href="../bower_components/polymer/polymer-element.html">
 
 <dom-module id="my-view404">
   <template>
@@ -24,8 +24,17 @@
   </template>
 
   <script>
-    Polymer({
-      is: 'my-view404',
-    });
+    class MyView404 extends Polymer.Element {
+      static get is() { return 'my-view404'; }
+      static get properties() {
+        return {
+          // This shouldn't be neccessary, but the Analyzer isn't picking up
+          // Polymer.Element#rootPath
+          rootPath: String,
+        };
+      }
+    }
+
+    window.customElements.define(MyView404.is, MyView404);
   </script>
 </dom-module>