Fix codeclimate issues in babel.config.js

babel.config.js

@@ -1,43 +1,5 @@
 /* eslint-disable global-require */
-
+const plugins = isTestEnv => [
-module.exports = api => {
-  const validEnv = ['development', 'test', 'production'];
-  const currentEnv = api.env();
-  const isDevelopmentEnv = api.env('development');
-  const isProductionEnv = api.env('production');
-  const isTestEnv = api.env('test');
-
-  if (!validEnv.includes(currentEnv)) {
-    throw new Error(
-      `${'Please specify a valid `NODE_ENV` or ' +
-        '`BABEL_ENV` environment variables. Valid values are "development", ' +
-        '"test", and "production". Instead, received: '}${JSON.stringify(
-        currentEnv
-      )}.`
-    );
-  }
-
-  return {
-    presets: [
-      isTestEnv && [
-        require('@babel/preset-env').default,
-        {
-          targets: {
-            node: 'current',
-          },
-        },
-      ],
-      (isProductionEnv || isDevelopmentEnv) && [
-        require('@babel/preset-env').default,
-        {
-          forceAllTransforms: true,
-          useBuiltIns: 'entry',
-          modules: false,
-          exclude: ['transform-typeof-symbol'],
-        },
-      ],
-    ].filter(Boolean),
-    plugins: [
   require('babel-plugin-macros'),
   require('@babel/plugin-syntax-dynamic-import').default,
   isTestEnv && require('babel-plugin-dynamic-import-node'),
@@ -69,6 +31,49 @@ module.exports = api => {
     },
   ],
   [require('babel-plugin-transform-vue-jsx')],
-    ].filter(Boolean),
+];
+
+const presets = (isTestEnv, isProductionEnv, isDevelopmentEnv) => [
+  isTestEnv && [
+    require('@babel/preset-env').default,
+    {
+      targets: {
+        node: 'current',
+      },
+    },
+  ],
+  (isProductionEnv || isDevelopmentEnv) && [
+    require('@babel/preset-env').default,
+    {
+      forceAllTransforms: true,
+      useBuiltIns: 'entry',
+      modules: false,
+      exclude: ['transform-typeof-symbol'],
+    },
+  ],
+];
+
+module.exports = api => {
+  const validEnv = ['development', 'test', 'production'];
+  const currentEnv = api.env();
+  const isDevelopmentEnv = api.env('development');
+  const isProductionEnv = api.env('production');
+  const isTestEnv = api.env('test');
+
+  if (!validEnv.includes(currentEnv)) {
+    throw new Error(
+      `${'Please specify a valid `NODE_ENV` or ' +
+        '`BABEL_ENV` environment variables. Valid values are "development", ' +
+        '"test", and "production". Instead, received: '}${JSON.stringify(
+        currentEnv
+      )}.`
+    );
+  }
+
+  return {
+    presets: presets(isTestEnv, isProductionEnv, isDevelopmentEnv).filter(
+      Boolean
+    ),
+    plugins: plugins(isTestEnv).filter(Boolean),
   };
 };