Get Jest working with Babel

Author: CodingItWrong

.babelrc

@@ -0,0 +1,5 @@
+{
+  "presets": [
+    "@babel/preset-env"
+  ]
+}

.gitignore

@@ -1 +1,2 @@
+node_modules
 yarn-error.log

package.json

@@ -4,5 +4,15 @@
   "description": "A vanilla JS client for JSON API services",
   "main": "index.js",
   "author": "Josh Justice <[email protected]>",
-  "license": "Apache-2.0"
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "jest"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.1.2",
+    "@babel/preset-env": "^7.1.0",
+    "babel-core": "^7.0.0-0",
+    "babel-jest": "^23.6.0",
+    "jest": "^23.6.0"
+  }
 }

src/Widget.js

@@ -0,0 +1,3 @@
+export default class Widget {
+
+}

test/smoke.spec.js

@@ -0,0 +1,7 @@
+import Widget from '../src/Widget';
+
+describe('smoke test', () => {
+  it('can handle the truth', () => {
+    expect(true).toEqual(true);
+  });
+});