Adding image snapshots for graphs

babel.config.js

@@ -1,5 +1,12 @@
 module.exports = {
-  'presets': [
-    '@babel/preset-env'
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        targets: {
+          node: 'current'
+        }
+      }
+    ]
   ]
 }