stop considering arrow function to be a primary expression, this helps ()=>{}() be considered an arrow function rather than a call expression at the top level at least

Author: jackschu

grammar.js

@@ -490,6 +490,7 @@ module.exports = grammar({
       $.ternary_expression,
       $.update_expression,
       $.yield_expression,
+      $.arrow_function,
     ),
 
     primary_expression: $ => choice(
@@ -511,7 +512,6 @@ module.exports = grammar({
       $.object,
       $.array,
       $.function_expression,
-      $.arrow_function,
       $.generator_function,
       $.class,
       $.meta_property,