From 7d5e8c204d74ab9009490f02af9d87e490d85345 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Sat, 28 Dec 2019 23:02:49 -0500
Subject: [PATCH] refactor: remove unecessary trailing comma record

---
 packages/babel-parser/src/parser/expression.js                 | 2 +-
 .../basic/function-trailing-comma-shorthand/output.json        | 3 ---
 .../comments/basic/function-trailing-comma/output.json         | 3 ---
 .../fixtures/es2017/trailing-function-commas/1/output.json     | 3 ---
 .../dynamic-import/invalid-trailing-comma/output.json          | 3 ---
 5 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
index a84e96752a61..c6679c27526d 100644
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -644,7 +644,7 @@ export default class ExpressionParser extends LValParser {
           state.maybeAsyncArrow,
           base.type === "Import",
           base.type !== "Super",
-          node,
+          state.maybeAsyncArrow ? node : undefined,
         );
       }
       this.finishCallExpression(node, state.optionalChainMember);
diff --git a/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma-shorthand/output.json b/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma-shorthand/output.json
index b27cadb955a0..3e22bc1678e5 100644
--- a/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma-shorthand/output.json
+++ b/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma-shorthand/output.json
@@ -74,9 +74,6 @@
             },
             "name": "fn"
           },
-          "extra": {
-            "trailingComma": 11
-          },
           "arguments": [
             {
               "type": "Identifier",
diff --git a/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma/output.json b/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma/output.json
index a224e1810b5d..6147660b79f9 100644
--- a/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma/output.json
+++ b/packages/babel-parser/test/fixtures/comments/basic/function-trailing-comma/output.json
@@ -74,9 +74,6 @@
             },
             "name": "fn"
           },
-          "extra": {
-            "trailingComma": 7
-          },
           "arguments": [
             {
               "type": "Identifier",
diff --git a/packages/babel-parser/test/fixtures/es2017/trailing-function-commas/1/output.json b/packages/babel-parser/test/fixtures/es2017/trailing-function-commas/1/output.json
index 40aa85102591..2373fc85c177 100644
--- a/packages/babel-parser/test/fixtures/es2017/trailing-function-commas/1/output.json
+++ b/packages/babel-parser/test/fixtures/es2017/trailing-function-commas/1/output.json
@@ -74,9 +74,6 @@
             },
             "name": "log"
           },
-          "extra": {
-            "trailingComma": 13
-          },
           "arguments": [
             {
               "type": "Identifier",
diff --git a/packages/babel-parser/test/fixtures/experimental/dynamic-import/invalid-trailing-comma/output.json b/packages/babel-parser/test/fixtures/experimental/dynamic-import/invalid-trailing-comma/output.json
index fde34fb849ab..815e4d649930 100644
--- a/packages/babel-parser/test/fixtures/experimental/dynamic-import/invalid-trailing-comma/output.json
+++ b/packages/babel-parser/test/fixtures/experimental/dynamic-import/invalid-trailing-comma/output.json
@@ -75,9 +75,6 @@
               }
             }
           },
-          "extra": {
-            "trailingComma": 12
-          },
           "arguments": [
             {
               "type": "StringLiteral",