feat: js object shorthand

.grit/patterns/js/object_shorthand.md

@@ -0,0 +1,67 @@
+---
+title: Require Object shorthand
+tags: [good-practice]
+---
+
+Require or disallow method and property shorthand syntax for object literals
+
+This matches the [ESlint object shorthand](https://eslint.org/docs/latest/rules/object-shorthand).
+
+
+```grit
+engine marzano(1.0)
+language js
+
+pair(key=$key, value=$value) as $pair where {
+ if( $key <: $value){
+ $pair => `$key`
+ }else if ($value <: function($body, $parameters)){
+ $pair => `$key($parameters) $body`,
+ }
+}
+```
+
+## Code examples:
+```js
+// properties
+var foo = {
+ x,
+ y: y,
+ z: z,
+ a: 12,
+ b: a
+};
+
+// methods
+var foo = {
+ a: function() {},
+ b: function( x) {},
+ x: function y() {},
+ y: function y() {},
+ z: function y(x) {},
+ y(x) {},
+ "o-o" : ()=> 5
+};
+```
+will become
+```js
+// properties
+var foo = {
+ x,
+ y,
+ z,
+ a: 12,
+ b: a
+};
+
+// methods
+var foo = {
+ a() {},
+ b(x) {},
+ x() {},
+ y() {},
+ z(x) {},
+ y(x) {},
+ "o-o" : ()=> 5
+};
+```