add relay environment

babel.config.js

@@ -1,46 +1,48 @@
-module.exports = function(api) {
-  var validEnv = ['development', 'test', 'production']
-  var currentEnv = api.env()
+module.exports = function (api) {
+  const validEnv = ["development", "test", "production"];
+  const currentEnv = api.env();
 
   if (!validEnv.includes(currentEnv)) {
     throw new Error(
-      'Please specify a valid `NODE_ENV` or ' +
+      `${
+        "Please specify a valid `NODE_ENV` or " +
         '`BABEL_ENV` environment variables. Valid values are "development", ' +
-        '"test", and "production". Instead, received: ' +
-        JSON.stringify(currentEnv) +
-        '.'
-    )
+        '"test", and "production". Instead, received: '
+      }${JSON.stringify(currentEnv)}.`
+    );
   }
 
   return {
     presets: [
-      '@babel/preset-env',
-      '@babel/preset-react',
-      '@babel/preset-typescript',
+      "@babel/preset-env",
+      "@babel/preset-react",
+      "@babel/preset-typescript",
     ],
     env: {
       test: {
         presets: [
           [
-            '@babel/preset-env',
+            "@babel/preset-env",
             {
               targets: {
-                node: '12',
+                node: "12",
               },
-              modules: 'commonjs',
+              modules: "commonjs",
               useBuiltIns: false,
               debug: false,
-            }
+            },
           ],
-          '@babel/preset-react',
-          'jest'
-        ]
-      }
+          "@babel/preset-react",
+          "jest",
+        ],
+      },
     },
     plugins: [
-      '@babel/plugin-syntax-dynamic-import',
-      '@babel/plugin-proposal-object-rest-spread',
-      '@babel/plugin-proposal-class-properties',
+      "@babel/plugin-syntax-dynamic-import",
+      "@babel/plugin-proposal-object-rest-spread",
+      "@babel/plugin-proposal-class-properties",
+      "macros",
+      "relay",
     ],
-  }
-}
+  };
+};