Change Webpack configuration for external Flickity dependency to fix require issues on Linux

.gitignore

@@ -1,4 +1,66 @@
 .DS_Store
-node_modules
+.idea
+
+### Node template
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
 bower_components
 
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+

package.json

@@ -27,7 +27,7 @@
   ],
   "main": "dist/angular-flickity.js",
   "scripts": {
-    "build": "WEBPACK_ENV=build webpack && osx-notifier --type \"pass\" --title \"Build successful\" --message \"gg\" --group \"npmBuild\"",
+    "build": "cross-env WEBPACK_ENV=build webpack && osx-notifier --type \"pass\" --title \"Build successful\" --message \"gg\" --group \"npmBuild\"",
     "watch": "npm run build && onchange 'src/**/*.js' -- npm run build",
     "test": "karma start --singleRun=true",
     "watch:tests": "karma start"
@@ -44,6 +44,7 @@
     "babel-loader": "6.1.0",
     "babel-plugin-add-module-exports": "0.1.2",
     "babel-preset-es2015": "6.3.13",
+    "cross-env": "^5.1.4",
     "eslint": "^3.8.1",
     "eslint-config-moment": "^2.1.4",
     "eslint-loader": "^1.6.1",

webpack.config.js

@@ -20,7 +20,12 @@ const config = {
         umdNamedDefine: true,
     },
     externals: {
-        'flickity': 'Flickity',
+        flickity: {
+            commonjs: 'flickity',
+            commonjs2: 'flickity',
+            amd: 'flickity',
+            root: 'Flickity',
+        },
     },
     module: {
         preLoaders: [