Add a typescript-prettier config (#58)

* Add a typescript-prettier config

* v18.2.0-alpha.1

* fix config and update docs

* v18.2.0-alpha.2

* ignore package.json formatting

* Revert version back

.prettierignore

@@ -0,0 +1,2 @@
+*.md
+package.json

CHANGELOG.md

@@ -1,6 +1,9 @@
 # Changelog
 
-<!-- ## Unreleased -->
+## Unreleased
+
+### Added
+* Added a `typescript-prettier` config to run prettier against typescript projects.
 
 ## [18.1.0] - 2017-10-31
 

README.md

@@ -90,6 +90,7 @@ This plugin also provides the following tool-specific configurations, which can
 - [flow](lib/config/flow.js): Use this for projects that use [flow](http://flowtype.org) for type checking.
 - [jquery](lib/config/jquery.js): Use this for projects that use [jQuery](http://jquery.com).
 - [prettier](lib/config/prettier.js): Use [prettier](https://github.com/prettier/prettier) for consistent formatting. Extending this Shopify's prettier config will [override](https://github.com/prettier/eslint-config-prettier/blob/master/index.js) the default Shopify eslint rules in favor of prettier formatting.
+- [typescript-prettier](lib/config/typescript-prettier.js): Use [prettier](https://github.com/prettier/prettier) on typescript projects.
 
 ### node
 

index.js

@@ -26,6 +26,7 @@ module.exports = {
     prettier: require('./lib/config/prettier'),
     react: require('./lib/config/react'),
     typescript: require('./lib/config/typescript'),
+    'typescript-prettier': require('./lib/config/typescript-prettier'),
     'typescript-react': require('./lib/config/typescript-react'),
   },
 };

lib/config/all.js

@@ -34,6 +34,7 @@ module.exports = {
     'shopify',
     'sort-class-members',
     'typescript',
+    'typescript-prettier',
     'typescript-react',
   ],
 
@@ -61,6 +62,7 @@ module.exports = {
     require('./rules/shopify'),
     require('./rules/sort-class-members'),
     require('./rules/typescript'),
+    require('./rules/typescript-prettier'),
     require('./rules/typescript-react'),
   ),
 };

lib/config/typescript-prettier.js

@@ -0,0 +1,16 @@
+module.exports = {
+  extends: ['plugin:shopify/prettier'],
+
+  rules: {
+    'prettier/prettier': [
+      'error',
+      {
+        parser: 'typescript',
+        singleQuote: true,
+        trailingComma: 'all',
+        bracketSpacing: false,
+        jsxBracketSameLine: false,
+      },
+    ],
+  },
+};