Add jest community section to docs

docs/CommunityPackages.md

@@ -0,0 +1,119 @@
+---
+id: community-packages
+title: Community Packages
+---
+
+Jest has a large community of packages out there in the wild, here's a list of
+some of the popular packages to enhance your Jest experience:
+
+## jest-extended
+
+Additional Jest matchers including multiple APIs for different types including:
+
+* Array
+* Boolean
+* Date
+* Function
+* Mock
+* Number
+* Object
+* Promise
+* String
+
+### Example
+
+`.toContainEntries([[key, value]])`
+
+Use .toContainEntries when checking if an object contains all of the provided
+entries.
+
+```javascript
+test('passes when object contains all of the given entries', () => {
+  const o = {a: 'foo', b: 'bar', c: 'baz'};
+  expect(o).toContainEntries([['a', 'foo']]);
+  expect(o).toContainEntries([['c', 'baz'], ['a', 'foo']]);
+  expect(o).not.toContainEntries([['b', 'qux'], ['a', 'foo']]);
+});
+```
+
+You can find all of the available matchers `jest-extended` has to offer in the
+[readme file](https://github.com/jest-community/jest-extended/blob/master/README.md).
+
+## vscode-jest
+
+The optimal flow for Jest based testing in VS Code
+
+A comprehensive experience when using Facebook's Jest within a project.
+
+* Useful IDE based Feedback
+* Session based test watching
+
+Find out how to install and setup `vscode-jest` in the
+[readme file](https://github.com/jest-community/vscode-jest/blob/master/README.md).
+
+## eslint-plugin-jest
+
+ESLint plugin for Jest
+
+Popular rules include:
+
+* `jest/no-disabled-tests`
+* `jest/no-focused-tests`
+* `jest/no-identical-title`
+* `jest/valid-expect`
+
+You can find all of the available rules `eslint-plugin-jest` has to offer in the
+[readme file](https://github.com/jest-community/eslint-plugin-jest/blob/master/README.md).
+
+## jest-each
+
+Data Driven Jest Testing
+
+jest-each allows you to provide multiple arguments to your test/describe which
+results in the test/suite being run once per row of data. _Supports skipping and
+focussing tests_.
+
+### Example data driven test
+
+```javascript
+import each from 'jest-each';
+
+each([[1, 1, 2], [1, 2, 3], [2, 1, 3]]).test(
+  'returns the result of adding %s to %s',
+  (a, b, expected) => {
+    expect(a + b).toBe(expected);
+  },
+);
+```
+
+Read the full documentation of `jest-each` in the
+[readme file](https://github.com/mattphillips/jest-each/blob/master/README.md).
+
+## babel-jest-assertions
+
+Automatically add `expect.assertions(n)` and `expect.hasAssertions` to all tests
+using babel
+
+### Usage
+
+Simply write your tests as you would normally and this plugin will add the
+verification of assertions in the background.
+
+```javascript
+it('resolves to one', () => {
+  Promise.reject(1).then(value => expect(value).toBe(1));
+});
+```
+
+`↓ ↓ ↓ ↓ ↓ ↓`
+
+```javascript
+it('resolves to one', () => {
+  expect.hasAssertions();
+  expect.assertions(1);
+  Promise.reject(1).then(value => expect(value).toBe(1));
+});
+```
+
+Find out how to install and setup `babel-jest-assertions` in the
+[readme file](https://github.com/mattphillips/babel-jest-assertions/blob/master/README.md).

website/i18n/en.json

@@ -5,6 +5,7 @@
     "previous": "Previous",
     "tagline": "🃏 Delightful JavaScript Testing",
     "cli": "Jest CLI Options",
+    "community-packages": "Community Packages",
     "configuration": "Configuring Jest",
     "es6-class-mocks": "ES6 Class Mocks",
     "expect": "Expect",

website/sidebars.json

@@ -7,6 +7,7 @@
       "setup-teardown",
       "mock-functions",
       "jest-platform",
+      "community-packages",
       "more-resources"
     ],
     "Guides": [