Add an example that uses symfony/webpack-encore#115

Author: niji-vlebiannic

karma.conf.js

@@ -1,13 +1,8 @@
-// Generate Encore runtimeConfig
-const context = require('@symfony/webpack-encore/lib/context');
-const parseRuntime = require('@symfony/webpack-encore/lib/config/parse-runtime');
+const Encore = require('@symfony/webpack-encore');
 const ManifestPlugin = require('@symfony/webpack-encore/lib/webpack/webpack-manifest-plugin');
 
-const encoreArgs = ['dev-server'];
-context.runtimeConfig = parseRuntime(
-  require('yargs').parse(encoreArgs),
-  process.cwd()
-);
+// Initialize Encore before requiring the .config file
+Encore.configureRuntimeEnvironment('dev-server');
 
 // Retrieve webpack config
 const webpackConfig = require('./webpack.config');

package.json

@@ -5,7 +5,7 @@
     "test": "karma start --single-run"
   },
   "devDependencies": {
-    "@symfony/webpack-encore": "^0.12.0",
+    "@symfony/webpack-encore": "git+https://github.com/lyrkan/webpack-encore.git#add-configure-runtime-environment",
     "jasmine": "^2.6.0",
     "karma": "^1.7.0",
     "karma-jasmine": "^1.1.0",

webpack.config.js

@@ -1,5 +1,5 @@
 // webpack.config.js
-var Encore = require('@symfony/webpack-encore');
+const Encore = require('@symfony/webpack-encore');
 
 Encore
     // directory where all compiled assets will be stored

yarn.lock

@@ -2,9 +2,9 @@
 # yarn lockfile v1
 
 
-"@symfony/webpack-encore@^0.12.0":
+"@symfony/webpack-encore@git+https://github.com/lyrkan/webpack-encore.git#add-configure-runtime-environment":
   version "0.12.0"
-  resolved "https://registry.yarnpkg.com/@symfony/webpack-encore/-/webpack-encore-0.12.0.tgz#1502d7b843bc28c2643f495796cecfbe19587bef"
+  resolved "git+https://github.com/lyrkan/webpack-encore.git#ce6e7d3698b7c0995a18266a050559d1c39a8cb4"
   dependencies:
     babel-core "^6.24.0"
     babel-loader "^7.1.0"