Use new webpack-config-terra package (#1280)

* Use new webpack config package

* Update webpack.config.js

Co-authored-by: Emily Rohrbough  <[email protected]>

Co-authored-by: Emily Rohrbough  <[email protected]>

babel.config.js

@@ -3,7 +3,7 @@ module.exports = (api) => {
   api.assertVersion('^7.4.4');
 
   const presets = [
-    '@babel/preset-env',
+    ['@babel/preset-env', { useBuiltIns: 'entry', corejs: { version: 3.6, proposals: true } }],
     '@babel/preset-react',
   ];
 

package.json

@@ -108,6 +108,7 @@
     "@babel/preset-react": "^7.0.0",
     "@cerner/browserslist-config-terra": "^3.1.0",
     "@cerner/eslint-config-terra": "^4.0.0",
+    "@cerner/webpack-config-terra": "^1.0.0-alpha.0",
     "babel-jest": "^24.8.0",
     "check-installed-dependencies": "^1.0.0",
     "core-js": "^3.1.3",
@@ -137,6 +138,7 @@
     "webpack": "^4.30.0",
     "webpack-cli": "^3.3.2",
     "webpack-dev-server": "^3.3.1",
+    "webpack-merge": "^5.1.4",
     "xfc": "^1.2.1"
   }
 }

webpack.config.js

@@ -1,3 +1,48 @@
-const terraDevSiteWebpackConfig = require('terra-dev-site/config/webpack/webpack.config');
+/* eslint-disable import/no-extraneous-dependencies */
+const { merge } = require('webpack-merge');
+const path = require('path');
+const {
+  TerraDevSite,
+  TerraDevSiteEntrypoints,
+  DirectorySwitcherPlugin,
+  LocalPackageAliasPlugin,
+} = require('terra-dev-site');
 
-module.exports = terraDevSiteWebpackConfig;
+const WebpackConfigTerra = require('@cerner/webpack-config-terra');
+/**
+* Generates the file representing app name configuration.
+*/
+const devSiteConfig = (env = {}, argv = { p: false }) => {
+  const production = argv.p;
+  const processPath = process.cwd();
+
+  return {
+    entry: TerraDevSiteEntrypoints,
+    plugins: [
+      new TerraDevSite({ env }),
+    ],
+    resolve: {
+      plugins: [
+        new DirectorySwitcherPlugin({
+          shouldSwitch: !production,
+          rootDirectories: [
+            processPath,
+            path.resolve(processPath, 'packages', '*'),
+          ],
+        }),
+        new LocalPackageAliasPlugin({
+          rootDirectories: [
+            processPath,
+            path.resolve(processPath, 'packages', '*'),
+          ],
+        }),
+      ],
+    },
+  };
+};
+
+const webpackConfig = (env, argv) => (
+  merge(WebpackConfigTerra(env, argv), devSiteConfig(env, argv))
+);
+
+module.exports = webpackConfig;