consider new expression to be a primary expression, this feels more consistent with the spec, accurately split precedence for new expressions

Author: jackschu

grammar.js

@@ -78,8 +78,9 @@ module.exports = grammar({
       $.sequence_expression,
       $.arrow_function,
     ],
+    ['new', $.primary_expression],
     ['assign', $.primary_expression],
-    ['member', 'template_call', 'new', 'call', $.expression],
+    ['member', 'template_call', 'new_args', 'call', 'new_no_args', $.expression],
     ['declaration', 'literal'],
     [$.primary_expression, $.statement_block, 'object'],
     [$.meta_property, $.import],
@@ -488,12 +489,12 @@ module.exports = grammar({
       $.binary_expression,
       $.ternary_expression,
       $.update_expression,
-      $.new_expression,
       $.yield_expression,
     ),
 
     primary_expression: $ => choice(
       $.subscript_expression,
+      $.new_expression,
       $.member_expression,
       $.parenthesized_expression,
       $._identifier,
@@ -783,11 +784,11 @@ module.exports = grammar({
 
     call_expression: $ => choice(
       prec('call', seq(
-        field('function', choice($.expression, $.import)),
+        field('function', choice($.primary_expression, $.import)),
         field('arguments', $.arguments),
       )),
       prec('template_call', seq(
-        field('function', choice($.primary_expression, $.new_expression)),
+        field('function', $.primary_expression),
         field('arguments', $.template_string),
       )),
       prec('member', seq(
@@ -797,11 +798,17 @@ module.exports = grammar({
       )),
     ),
 
-    new_expression: $ => prec.right('new', seq(
-      'new',
-      field('constructor', choice($.primary_expression, $.new_expression)),
-      field('arguments', optional(prec.dynamic(1, $.arguments))),
-    )),
+    new_expression: $ => choice(
+      prec('new_args', seq(
+        'new',
+        field('constructor', $.primary_expression),
+        field('arguments', $.arguments),
+      )),
+      prec('new_no_args', seq(
+        'new',
+        field('constructor', $.primary_expression),
+      ))
+    ),
 
     await_expression: $ => prec('unary_void', seq(
       'await',