chore(tests): Add sanity test for proper babel routes

test/sanity/use-proper-babel-path.js

@@ -0,0 +1,27 @@
+'use strict';
+
+let glob = require('glob').sync;
+let readFile = require('fs').readFileSync;
+
+const IMPORT_REGEX = /(import|require).*common\/script/;
+
+describe('Use Proper Babel Paths', () => {
+  it('uses proper babel files in website/server', () => {
+    let websiteServerPaths = glob('./website/server/**/*.js');
+
+    if (websiteServerPaths.length === 0) {
+      throw new Error('Could not find any files in website/server/**/*.js');
+    }
+
+    websiteServerPaths.forEach((filePath) => {
+      let file = readFile(filePath, {encoding: 'utf8'});
+
+      try {
+        expect(file).to.not.match(IMPORT_REGEX);
+      } catch (err) {
+        // Nicer error reporting if this condition is violated
+        throw new Error(`${filePath} contains an invalid import statement to common/script, which will work in development but fail in production. See README in this directory for more details.`);
+      }
+    });
+  });
+});