Removed ES5 adapter, finished migration of Polymer components, cleanup

Gruntfile.js

@@ -13,10 +13,10 @@ module.exports = function(grunt) {
 
   grunt.loadNpmTasks('grunt-contrib-less');
   grunt.loadNpmTasks('grunt-contrib-concat');
-  grunt.loadNpmTasks('grunt-contrib-uglify');
+  grunt.loadNpmTasks('grunt-terser');
   grunt.loadNpmTasks('grunt-contrib-watch');
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-copy');
   grunt.loadNpmTasks('grunt-webpack');
-  grunt.registerTask('default', ['less:production', 'less:components', 'copy', 'webpack', 'concat:dist', 'uglify:dist']);
+  grunt.registerTask('default', ['less:production', 'less:components', 'copy', 'webpack', 'concat:dist', 'terser:dist']);
 };

configs/development.ini

@@ -674,7 +674,7 @@ channelstream.server = channelstream:8000
 ; by external HTTP server such as Nginx or Apache
 ; see Nginx/Apache configuration examples in our docs
 ; For development, comment this out to use auto-generated proxy URL
-channelstream.ws_url = ws://rhodecode.yourserver.com/_channelstream
+;channelstream.ws_url = ws://rhodecode.yourserver.com/_channelstream
 channelstream.secret = ENV_GENERATED
 channelstream.history.location = /var/opt/rhodecode_data/channelstream_history
 

docs/admin/system-overview.rst

@@ -52,10 +52,12 @@ Supported Databases
 Supported Browsers
 ------------------
 
-* Chrome
-* Safari
-* Firefox
-* Internet Explorer 10 & 11
+* Chrome 67+
+* Firefox 63+
+* Safari 11.1+
+* Edge 79+
+
+Note: Internet Explorer is no longer supported
 
 System Requirements
 -------------------

grunt_config.json

@@ -102,10 +102,23 @@
       "nonull": true
     }
   },
-  "uglify": {
+  "terser": {
     "dist": {
-      "src": "<%= dirs.js.dest %>/scripts.js",
-      "dest": "<%= dirs.js.dest %>/scripts.min.js"
+      "options": {
+        "compress": {
+          "ecma": 6
+        },
+        "mangle": {
+          "keep_classnames": true,
+          "keep_fnames": false
+        },
+        "output": {
+          "ecma": 6
+        }
+      },
+      "files": {
+        "<%= dirs.js.dest %>/scripts.min.js": "<%= dirs.js.dest %>/scripts.js"
+      }
     }
   },
   "less": {

package.json

@@ -37,7 +37,7 @@
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-jshint": "^0.12.0",
     "grunt-contrib-less": "^1.1.0",
-    "grunt-contrib-uglify": "^4.0.1",
+    "grunt-terser": "^1.0.0",
     "grunt-contrib-watch": "^0.6.1",
     "grunt-webpack": "^3.1.3",
     "html-loader": "^0.4.4",

rhodecode/public/js/src/components/channelstream-connection/channelstream-connection.js

@@ -76,7 +76,10 @@ export class ChannelstreamConnection extends LitElement {
 
     connectedCallback() {
         super.connectedCallback();
-        this.dispatchEvent(new CustomEvent('start-listening', {detail: {}}));
+
+        // Set up self-event listeners (replaces Polymer's 'listeners' property)
+        this.addEventListener('channelstream-connected', this.startListening.bind(this));
+        this.addEventListener('channelstream-connect-error', this.retryConnection.bind(this));
     }
 
     /**
@@ -428,10 +431,13 @@ export class ChannelstreamConnection extends LitElement {
     set(path, value) {
         if (typeof path === 'string') {
             this[path] = value;
+            this.requestUpdate(path);
         } else if (Array.isArray(path)) {
-            // Handle nested path like ['channelsState', key]
+            // Handle nested paths like ['channelsState', key] or ['userState', key]
             if (path.length === 2 && path[0] === 'channelsState') {
                 this.channelsState = {...this.channelsState, [path[1]]: value};
+            } else if (path.length === 2 && path[0] === 'userState') {
+                this.userState = {...this.userState, [path[1]]: value};
             }
         }
     }

rhodecode/templates/base/root.mako

@@ -58,7 +58,6 @@ c.template_context['attachment_store'] = {
         </%def>
         ${self.robots()}
         <link rel="icon" href="${h.asset('images/favicon.ico', ver=c.rhodecode_version_hash)}" sizes="16x16 32x32" type="image/png" />
-        <script src="${h.asset('js/vendors/webcomponentsjs/custom-elements-es5-adapter.js', ver=c.rhodecode_version_hash)}"></script>
         <script src="${h.asset('js/vendors/webcomponentsjs/webcomponents-bundle.js', ver=c.rhodecode_version_hash)}"></script>
 
         ## CSS definitions

webpack.config.js

@@ -15,7 +15,7 @@ let babelRCOptions = {
     "presets": [
         ["env", {
             "targets": {
-                "browsers": ["last 2 versions"]
+                "browsers": ["Chrome >= 67", "Firefox >= 63", "Safari >= 11.1", "Edge >= 79"]
             },
             "exclude": [
                 "transform-es2015-classes",
@@ -75,9 +75,10 @@ module.exports = {
             {
                 // If you see a file that ends in .js, just send it to the babel-loader.
                 test: /\.js$/,
+                // Exclude node_modules, but process our Lit components
+                // Babel is configured to NOT transpile ES6 classes (see babelRCOptions exclude)
+                exclude: /node_modules/,
                 use: {loader: 'babel-loader', options: babelRCOptions}
-                // Optionally exclude node_modules from transpilation except for polymer-webpack-loader:
-                // exclude: /node_modules\/(?!polymer-webpack-loader\/).*/
             },
             // this is required because of bug:
             // https://github.com/webpack-contrib/polymer-webpack-loader/issues/49