Run electron (dev) from build directory

js/package.electron.json

@@ -0,0 +1,14 @@
+{
+  "name": "Parity",
+  "version": "1.99.99",
+  "main": "electron.js",
+  "author": "Parity Team <admin@parity.io>",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/paritytech/parity.git"
+  },
+  "keywords": [
+    "Ethereum",
+    "Parity"
+  ]
+}

js/package.json

@@ -1,8 +1,8 @@
 {
   "name": "Parity",
   "version": "1.8.19",
-  "main": "src/index.electron.js",
-  "jsnext:main": "src/index.electron.js",
+  "main": "src/index.parity.js",
+  "jsnext:main": "src/index.parity.js",
   "author": "Parity Team <admin@parity.io>",
   "maintainers": [
     "Jaco Greeff",
@@ -46,7 +46,7 @@
     "lint:js:fix": "eslint --fix --ignore-path .gitignore ./src/",
     "start": "npm run clean && npm install && npm run build:lib && npm run start:app",
     "start:app": "node webpack/dev.server",
-    "start:electron": "npm run build:app && electron .",
+    "start:electron": "npm run build:app && electron .build/",
     "test": "NODE_ENV=test mocha --compilers ejs:ejsify 'src/**/*.spec.js' 'packages/**/*.spec.js'",
     "test:coverage": "NODE_ENV=test istanbul cover _mocha -- --compilers ejs:ejsify 'src/**/*.spec.js' 'packages/**/*.spec.js'",
     "test:e2e": "NODE_ENV=test mocha 'src/**/*.e2e.js' 'packages/**/*.e2e.js'",

js/src/index.electron.js

@@ -30,7 +30,7 @@ function createWindow () {
   });
 
   mainWindow.loadURL(url.format({
-    pathname: path.join(__dirname, '../.build', 'index.html'),
+    pathname: path.join(__dirname, 'index.html'),
     protocol: 'file:',
     slashes: true
   }));

js/webpack/app.js

@@ -187,6 +187,14 @@ module.exports = {
               from: path.join(__dirname, '../src/error_pages.css'),
               to: 'styles.css'
             },
+            {
+              from: path.join(__dirname, '../src/index.electron.js'),
+              to: 'electron.js'
+            },
+            {
+              from: path.join(__dirname, '../package.electron.json'),
+              to: 'package.json'
+            },
             flatten(
               DAPPS_ALL
                 .map((dapp) => {