add example using babel 7

CHANGELOG.md

@@ -14,6 +14,7 @@
 ### Chore & Maintenance
 
 - `[docs]` Fix babel-core installation instructions ([#6745](https://github.com/facebook/jest/pull/6745))
+- `[examples]` add example using Babel 7 ([#6983](https://github.com/facebook/jest/pull/6983))
 
 ### Chore & Maintenance
 

docs/GettingStarted.md

@@ -90,6 +90,10 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > ```bash
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

examples/babel-7/__tests__/index.test.js

@@ -0,0 +1,9 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+'use strict';
+
+import {double} from '../index';
+
+it('works with `import`', () => {
+  expect(double(5)).toBe(10);
+});

examples/babel-7/babel.config.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  presets: ['@babel/preset-env'],
+};

examples/babel-7/index.js

@@ -0,0 +1,5 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+export function double(input) {
+  return input * 2;
+}

examples/babel-7/package.json

@@ -0,0 +1,15 @@
+{
+  "private": true,
+  "version": "0.0.0",
+  "name": "example-babel-7",
+  "devDependencies": {
+    "@babel/core": "*",
+    "@babel/preset-env": "*",
+    "babel-core": "7.0.0-bridge.0",
+    "babel-jest": "*",
+    "jest": "*"
+  },
+  "scripts": {
+    "test": "jest"
+  }
+}

website/versioned_docs/version-22.0/GettingStarted.md

@@ -83,6 +83,10 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > ```bash
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

website/versioned_docs/version-22.1/GettingStarted.md

@@ -83,6 +83,10 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > ```bash
 > npm install --save-dev  babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

website/versioned_docs/version-22.2/GettingStarted.md

@@ -83,6 +83,10 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > ```bash
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

website/versioned_docs/version-22.3/GettingStarted.md

@@ -83,6 +83,10 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > ```bash
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

website/versioned_docs/version-22.4/GettingStarted.md

@@ -83,6 +83,10 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > ```bash
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_
 

website/versioned_docs/version-23.2/GettingStarted.md

@@ -91,6 +91,10 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > ```bash
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
+>
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
+> You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_