improve interpackage config sharing

packages/netlify-cms-core/babel.config.js

@@ -0,0 +1,23 @@
+const babelConfig = require('../../babel.config.js');
+
+module.exports = {
+  ...babelConfig,
+  plugins: [
+    ...babelConfig.plugins,
+    ['module-resolver', {
+      root: './src/components',
+      alias: {
+        src: './src',
+        Actions: './src/actions/',
+        Constants: './src/constants/',
+        Formats: './src/formats/',
+        Integrations: './src/integrations/',
+        Lib: './src/lib/',
+        Reducers: './src/reducers/',
+        Redux: './src/redux/',
+        Routing: './src/routing/',
+        ValueObjects: './src/valueObjects/',
+      }
+    }],
+  ],
+};

packages/netlify-cms-core/src/actions/auth.js

@@ -1,5 +1,5 @@
 import { actions as notifActions } from 'redux-notifications';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 
 const { notifSend } = notifActions;
 

packages/netlify-cms-core/src/actions/editorialWorkflow.js

@@ -2,7 +2,7 @@ import uuid from 'uuid/v4';
 import { actions as notifActions } from 'redux-notifications';
 import { BEGIN, COMMIT, REVERT } from 'redux-optimist';
 import { serializeValues } from 'Lib/serializeEntryValues';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { getAsset } from 'Reducers';
 import { selectFields } from 'Reducers/collections';
 import { status, EDITORIAL_WORKFLOW } from 'Constants/publishModes';

packages/netlify-cms-core/src/actions/entries.js

@@ -1,7 +1,7 @@
 import { fromJS, List, Set } from 'immutable';
 import { actions as notifActions } from 'redux-notifications';
 import { serializeValues } from 'Lib/serializeEntryValues';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { getIntegrationProvider } from 'Integrations';
 import { getAsset, selectIntegration } from 'Reducers';
 import { selectFields } from 'Reducers/collections';

packages/netlify-cms-core/src/actions/mediaLibrary.js

@@ -1,5 +1,5 @@
 import { actions as notifActions } from 'redux-notifications';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { createAssetProxy } from 'ValueObjects/AssetProxy';
 import { getAsset, selectIntegration } from 'Reducers';
 import { getIntegrationProvider } from 'Integrations';

packages/netlify-cms-core/src/actions/search.js

@@ -1,5 +1,5 @@
 import fuzzy from 'fuzzy';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { getIntegrationProvider } from 'Integrations';
 import { selectIntegration, selectEntries } from 'Reducers';
 import { selectInferedField } from 'Reducers/collections';

packages/netlify-cms-core/src/components/App/App.js

@@ -9,7 +9,7 @@ import { Notifs } from 'redux-notifications';
 import TopBarProgress from 'react-topbar-progress-indicator';
 import { loadConfig as actionLoadConfig } from 'Actions/config';
 import { loginUser as actionLoginUser, logoutUser as actionLogoutUser } from 'Actions/auth';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { showCollection, createNewEntry } from 'Actions/collections';
 import { openMediaLibrary as actionOpenMediaLibrary } from 'Actions/mediaLibrary';
 import MediaLibrary from 'MediaLibrary/MediaLibrary';

packages/netlify-cms-core/src/valueObjects/AssetProxy.js

@@ -1,5 +1,5 @@
 import { resolvePath } from 'netlify-cms-lib-util';
-import { currentBackend } from 'Backends/backend';
+import { currentBackend } from 'src/backend';
 import { getIntegrationProvider } from 'Integrations';
 import { selectIntegration } from 'Reducers';
 

packages/netlify-cms-core/webpack.config.js

@@ -1,14 +1,26 @@
 const path = require('path');
 const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');
-const baseConfig = require('../../webpack.config.js');
+const { getConfig, rules, plugins } = require('../../scripts/webpack.js');
 
 module.exports = {
-  ...baseConfig,
+  ...getConfig(),
   context: path.join(__dirname, 'src'),
   entry: './index.js',
   module: {
     rules: [
-      ...baseConfig.module.rules,
+      ...Object.entries(rules)
+        .filter(([ key ]) => key !== 'js')
+        .map(([ _, rule ]) => rule()),
+      {
+        test: /\.js$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            configFile: path.join(__dirname, 'babel.config.js'),
+          },
+        },
+      },
       {
         test: /\.css$/,
         include: [/redux-notifications/],
@@ -16,6 +28,16 @@ module.exports = {
       },
     ],
   },
+  plugins: [
+    ...Object.entries(plugins)
+      .filter(([ key ]) => key !== 'friendlyErrors')
+      .map(([ _, plugin ]) => plugin()),
+    new FriendlyErrorsWebpackPlugin({
+      compilationSuccessInfo: {
+        messages: ['Netlify CMS is now running at http://localhost:8080'],
+      },
+    }),
+  ],
   devServer: {
     contentBase: './example',
     watchContentBase: true,
@@ -23,12 +45,4 @@ module.exports = {
     host: 'localhost',
     port: 8080,
   },
-  plugins: [
-    ...baseConfig.plugins.filter(plugin => !plugin instanceof FriendlyErrorsWebpackPlugin),
-    new FriendlyErrorsWebpackPlugin({
-      compilationSuccessInfo: {
-        messages: ['Netlify CMS is now running at http://localhost:8080'],
-      },
-    }),
-  ],
 };