Revert "build: remove targets - it should inherit the ones from brows…

…erslist …"

This reverts commit 3897654.

packages/core/babel.config.js

@@ -1,3 +1,5 @@
+const TESTING_STORYBOOK = process.env.testing === "storybook";
+
 module.exports = api => {
   const env = process.env.NODE_ENV;
   api.cache.using(() => env);
@@ -35,7 +37,18 @@ module.exports = api => {
       [
         "@babel/preset-env",
         {
-          modules: env === "test" ? "commonjs" : false
+          modules: env === "test" ? "commonjs" : false,
+          targets: TESTING_STORYBOOK
+            ? {
+                node: "current"
+              }
+            : {
+                chrome: "66",
+                ie: "11",
+                firefox: "51",
+                edge: "18",
+                node: "current"
+              }
         }
       ],
       "@babel/preset-typescript",

packages/core/jest.init.js

@@ -15,6 +15,19 @@ Object.defineProperty(window, "matchMedia", {
 });
 
 ReactDOM.createPortal = node => node;
+const { testing } = process.env;
+const TESTING_STORYBOOK = testing === "storybook";
+
+if (TESTING_STORYBOOK) {
+  jest.mock("react-transition-group", () => {
+    const FakeTransition = jest.fn(({ children }) => children);
+    const FakeCSSTransition = jest.fn(props => (props.in ? <FakeTransition>{props.children}</FakeTransition> : null));
+    return { CSSTransition: FakeCSSTransition, Transition: FakeTransition, SwitchTransition: FakeTransition };
+  });
+  jest.mock("consolidated-events", () => {
+    return { addEventListener: jest.fn() };
+  });
+}
 
 const error = console.error;
 console.error = function (warning) {