Update discord links, lint markdown (#5586)

* Update discord links

* Lint md

* Update changelog

Author: rickhanlonii

.github/SUPPORT.md

@@ -1,3 +1,3 @@
 Please note this issue tracker is not a help forum. We recommend using
 [StackOverflow](https://stackoverflow.com/questions/tagged/jest) or our
-[discord channel](http://facebook.github.io/jest/en/help.html) for questions.
+[discord channel](https://discord.gg/MWRhKCj) for questions.

CHANGELOG.md

@@ -2,12 +2,15 @@
 
 ### Fixes
 
+* `[docs]` Update discord links ([#5586](https://github.com/facebook/jest/pull/5586))
 * `[jest-runtime]` Align handling of testRegex on Windows between searching for
   tests and instrumentation checks
   ([#5560](https://github.com/facebook/jest/pull/5560))
 
 ### Features
-* `[docs]` Add MongoDB guide ([#5571](https://github.com/facebook/jest/pull/5571))
+
+* `[docs]` Add MongoDB guide
+  ([#5571](https://github.com/facebook/jest/pull/5571))
 * `[jest-runtime]` Deprecate mapCoverage option.
   ([#5177](https://github.com/facebook/jest/pull/5177))
 * `[babel-jest]` Add option to return sourcemap from the transformer separately
@@ -43,8 +46,8 @@
 
 * `[jest-config]` Allow `<rootDir>` to be used with `collectCoverageFrom`
   ([#5524](https://github.com/facebook/jest/pull/5524))
-* `[filenames]` Standardize files names in "integration-tests" folder ([#5513](https://github.com/facebook/jest/pull/5513))
-
+* `[filenames]` Standardize files names in "integration-tests" folder
+  ([#5513](https://github.com/facebook/jest/pull/5513))
 
 ## jest 22.2.2
 
@@ -1603,4 +1606,4 @@ See https://facebook.github.io/jest/blog/2016/12/15/2016-in-jest.html
 
 ## <=0.4.0
 
-* See commit history for changes in previous versions of jest.
+* See commit history for changes in previous versions of jest.

CONTRIBUTING.md

@@ -172,9 +172,8 @@ issues; go through the process outlined on that page.
 
 ## How to Get in Touch
 
-* Discord -
-  [#jest](https://discordapp.com/channels/102860784329052160/103622435865104384)
-  on [Reactiflux](http://www.reactiflux.com/)
+* Discord - [#jest](https://discord.gg/MWRhKCj) on
+  [Reactiflux](http://www.reactiflux.com/)
 
 ## Code Conventions
 

README.md

@@ -165,8 +165,8 @@ You are now set up to use all ES6 features and React specific syntax.
 
 Jest can be used in projects that use [webpack](https://webpack.js.org/) to
 manage assets, styles, and compilation. webpack does offer some unique
-challenges over other tools. Refer to the [webpack guide](docs/Webpack.md) to get
-started.
+challenges over other tools. Refer to the [webpack guide](docs/Webpack.md) to
+get started.
 
 ### Using TypeScript
 
@@ -188,7 +188,8 @@ Learn more about using
 ## Badge
 
 Show the world you're using _Jest_ →
-[![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest) [![jest](https://facebook.github.io/jest/img/jest-badge.svg)](https://github.com/facebook/jest)
+[![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest)
+[![jest](https://facebook.github.io/jest/img/jest-badge.svg)](https://github.com/facebook/jest)
 
 ```md
 [![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest)

docs/Configuration.md

@@ -410,7 +410,8 @@ Specifies notification mode. Requires `notify: true`.
 * `success`: send a notification when tests pass.
 * `change`: send a notification when the status changed.
 * `success-change`: send a notification when tests pass or once when it fails.
-* `failure-success`: send a notification when tests fails or once when it passes.
+* `failure-success`: send a notification when tests fails or once when it
+  passes.
 
 ### `preset` [string]
 

docs/Es6ClassMocks.md

@@ -25,11 +25,11 @@ const MongodbMemoryServer = require('mongodb-memory-server');
 const MONGO_DB_NAME = 'jest';
 const mongod = new MongodbMemoryServer.default({
   instance: {
-    dbName: MONGO_DB_NAME
+    dbName: MONGO_DB_NAME,
   },
   binary: {
-    version: '3.2.19'
-  }
+    version: '3.2.19',
+  },
 });
 
 module.exports = function() {
@@ -105,17 +105,20 @@ it('should aggregate docs from collection', async () => {
     {type: 'Image'},
     {type: 'Document'},
     {type: 'Image'},
-    {type: 'Document'}
+    {type: 'Document'},
   ]);
 
   const topFiles = await files
-    .aggregate([{$group: {_id: '$type', count: {$sum: 1}}}, {$sort: {count: -1}}])
+    .aggregate([
+      {$group: {_id: '$type', count: {$sum: 1}}},
+      {$sort: {count: -1}},
+    ])
     .toArray();
 
   expect(topFiles).toEqual([
     {_id: 'Document', count: 3},
     {_id: 'Image', count: 2},
-    {_id: 'Video', count: 1}
+    {_id: 'Video', count: 1},
   ]);
 });
 ```

docs/MongoDB.md

@@ -32,9 +32,7 @@ projects.
 
 Ask questions and find answers from other Jest users like you.
 [Reactiflux](http://www.reactiflux.com/) is a Discord chat where a lot of Jest
-discussion happens. Check out the
-[#jest](https://discordapp.com/channels/102860784329052160/103622435865104384)
-channel.
+discussion happens. Check out the [#jest](https://discord.gg/MWRhKCj) channel.
 
 Follow the [Jest Twitter account](https://twitter.com/fbjest) and
 [blog](/jest/blog/) to find out what's happening in the world of Jest.

docs/MoreResources.md

@@ -127,9 +127,9 @@ Failed snapshots can also be updated interactively in watch mode:
 
 ![](/jest/img/content/interactiveSnapshot.png)
 
-Once you enter Interactive Snapshot Mode, Jest will step you through
-the failed snapshots one test suite at a time and give you the opportunity to
-review the failed output.
+Once you enter Interactive Snapshot Mode, Jest will step you through the failed
+snapshots one test suite at a time and give you the opportunity to review the
+failed output.
 
 From here you can choose to update that snapshot or skip to the next:
 

docs/SnapshotTesting.md

@@ -8,7 +8,7 @@ This is only useful if you are interested in building an editor integration for
 Jest.
 
 For now as an end user, we'd recommend looking at either
-[vscode-jest](https://github.com/jest-community/vscode-jest/) or 
+[vscode-jest](https://github.com/jest-community/vscode-jest/) or
 [majestic](https://github.com/Raathigesh/majestic/).
 
 ## Note