Helmet 5.0.0: requestIdleCallback support

.babelrc

@@ -1,28 +1,55 @@
 {
-    "presets": [
-      [
-        "latest",
-        {
-          "es2015": {
-            "modules": false
-          }
+    "env": {
+        "commonjs": {
+            "presets": [
+                ["env", {
+                    "targets": {
+                        "browsers": ["last 1 versions", "ie >= 10"]
+                    },
+                    "modules": "commonjs",
+                    "loose": true,
+                    "useBuiltIns": true
+                }]
+            ],
+            "plugins": [
+                "transform-export-extensions",
+                "transform-class-properties",
+                "transform-object-rest-spread",
+                "transform-remove-strict-mode"
+            ]
+        },
+        "test": {
+            "plugins": [
+                ["istanbul", {
+                    "exclude": [
+                        "**/node_modules/**",
+                        "**/packages/**",
+                        "**/test/**",
+                        "**/Test*"
+                    ]
+                }],
+                "transform-export-extensions",
+                "transform-class-properties",
+                "transform-object-rest-spread",
+                "transform-remove-strict-mode"
+            ]
         }
-      ],
-      "react",
-      "stage-0"
+    },
+    "presets": [
+        ["env", {
+            "targets": {
+                "browsers": ["last 1 versions", "ie >= 10"]
+            },
+            "modules": false,
+            "loose": true,
+            "useBuiltIns": true
+        }],
+        "react"
     ],
-    "env": {
-      "commonjs": {
-        "plugins": [
-          "add-module-exports",
-          [
-            "transform-es2015-modules-commonjs",
-            {
-              "loose": true,
-              "strict": false
-            }
-          ]
-        ]
-      }
-    }
+    "plugins": [
+        "transform-export-extensions",
+        "transform-class-properties",
+        "transform-object-rest-spread",
+        "transform-remove-strict-mode"
+    ]
 }