PR feedback: set trailingComma='none'

Author: octogonz

.prettierrc.js

@@ -7,4 +7,7 @@ module.exports = {
   singleQuote: true,
   // Preserve existing newlines
   endOfLine: 'auto',
+  // For ES5, trailing commas cannot be used in function parameters; it is counterintuitive
+  // to use them for arrays only
+  trailingComma: 'none'
 };