Build embedded Parity JS properly and separatly (#4426)

* Add a specific embed webpack build // output assets in JSON

* WIP Embed

* Updated Webpack

* Update exports // Webpack config

* Fix app build fail

* Fix NPm scripts

* Reduce Embed dependencies

* Fix NPM exports

* remvoe stats

* Lazy-Load worker (not to load in embed)

* PR Grumbles + Fix tests

js/src/redux/providers/workerWrapper.js

@@ -0,0 +1,23 @@
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+if (!process.env.EMBED) {
+  const setupWorker = require('./worker').setupWorker;
+
+  module.exports = { setupWorker };
+} else {
+  module.exports = { setupWorker: () => {} };
+}

js/src/redux/store.js

@@ -20,7 +20,7 @@ import initMiddleware from './middleware';
 import initReducers from './reducers';
 
 import { load as loadWallet } from './providers/walletActions';
-import { setupWorker } from './providers/worker';
+import { setupWorker } from './providers/workerWrapper';
 
 import {
   Balances as BalancesProvider,