Pretty format (#20352)

* Update prettier flow to include JS

* Run prettier

* ...run prettier

lib/render-content/plugins/code-header.js

@@ -70,7 +70,7 @@ const LANGUAGE_MAP = {
 
   // Unofficial languages
   shellsession: 'Shell',
-  jsx: 'JSX'
+  jsx: 'JSX',
 }
 
 const COPY_REGEX = /\{:copy\}$/
@@ -78,7 +78,7 @@ const COPY_REGEX = /\{:copy\}$/
 /**
  * Adds a bar above code blocks that shows the language and a copy button
  */
-export default function addCodeHeader (node) {
+export default function addCodeHeader(node) {
   // Check if the language matches `lang{:copy}`
   const hasCopy = node.lang && COPY_REGEX.test(node.lang)
 
@@ -109,30 +109,24 @@ export default function addCodeHeader (node) {
         'p-2',
         'text-small',
         'rounded-top-1',
-        'border'
-      ]
+        'border',
+      ],
     },
     [
       h('span', language),
       h(
         'button',
         {
-          class: [
-            'js-btn-copy',
-            'btn',
-            'btn-sm',
-            'tooltipped',
-            'tooltipped-nw'
-          ],
+          class: ['js-btn-copy', 'btn', 'btn-sm', 'tooltipped', 'tooltipped-nw'],
           'data-clipboard-text': node.value,
-          'aria-label': 'Copy code to clipboard'
+          'aria-label': 'Copy code to clipboard',
         },
         btnIcon
-      )
+      ),
     ]
   )
 
   return {
-    before: [header]
+    before: [header],
   }
 }