From 5d6295988bfd32c2254d6c376259def082066a89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Wed, 5 Aug 2020 07:08:42 -0400
Subject: [PATCH] fix: do not eat get/set after async is parsed

---
 .../babel-parser/src/parser/expression.js     |  2 +-
 .../async-shorthand-method/input.js           |  4 ++
 .../async-shorthand-method/output.json        | 71 +++++++++++++++++++
 3 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/input.js
 create mode 100644 packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/output.json

diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
index 26527c8300bb..820620eb8395 100644
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -1754,7 +1754,7 @@ export default class ExpressionParser extends LValParser {
       }
       // get PropertyName[?Yield, ?Await] () { FunctionBody[~Yield, ~Await] }
       // set PropertyName[?Yield, ?Await] ( PropertySetParameterList ) { FunctionBody[~Yield, ~Await] }
-      if (prop.key.name === "get" || prop.key.name === "set") {
+      else if (prop.key.name === "get" || prop.key.name === "set") {
         isAccessor = true;
         isGenerator = this.eat(tt.star); // tt.star is allowed in `maybeAsyncOrAccessorProp`, we will throw in `parseObjectMethod` later
         prop.kind = prop.key.name;
diff --git a/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/input.js b/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/input.js
new file mode 100644
index 000000000000..a165b65ecfa5
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/input.js
@@ -0,0 +1,4 @@
+({
+  async get() {},
+  async set() {}
+})
diff --git a/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/output.json b/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/output.json
new file mode 100644
index 000000000000..11c4f4bd7407
--- /dev/null
+++ b/packages/babel-parser/test/fixtures/es2017/async-functions/async-shorthand-method/output.json
@@ -0,0 +1,71 @@
+{
+  "type": "File",
+  "start":0,"end":40,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":2}},
+  "program": {
+    "type": "Program",
+    "start":0,"end":40,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":2}},
+    "sourceType": "script",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ExpressionStatement",
+        "start":0,"end":40,"loc":{"start":{"line":1,"column":0},"end":{"line":4,"column":2}},
+        "expression": {
+          "type": "ObjectExpression",
+          "start":1,"end":39,"loc":{"start":{"line":1,"column":1},"end":{"line":4,"column":1}},
+          "properties": [
+            {
+              "type": "ObjectMethod",
+              "start":5,"end":19,"loc":{"start":{"line":2,"column":2},"end":{"line":2,"column":16}},
+              "method": true,
+              "key": {
+                "type": "Identifier",
+                "start":11,"end":14,"loc":{"start":{"line":2,"column":8},"end":{"line":2,"column":11},"identifierName":"get"},
+                "name": "get"
+              },
+              "computed": false,
+              "kind": "method",
+              "id": null,
+              "generator": false,
+              "async": true,
+              "params": [],
+              "body": {
+                "type": "BlockStatement",
+                "start":17,"end":19,"loc":{"start":{"line":2,"column":14},"end":{"line":2,"column":16}},
+                "body": [],
+                "directives": []
+              }
+            },
+            {
+              "type": "ObjectMethod",
+              "start":23,"end":37,"loc":{"start":{"line":3,"column":2},"end":{"line":3,"column":16}},
+              "method": true,
+              "key": {
+                "type": "Identifier",
+                "start":29,"end":32,"loc":{"start":{"line":3,"column":8},"end":{"line":3,"column":11},"identifierName":"set"},
+                "name": "set"
+              },
+              "computed": false,
+              "kind": "method",
+              "id": null,
+              "generator": false,
+              "async": true,
+              "params": [],
+              "body": {
+                "type": "BlockStatement",
+                "start":35,"end":37,"loc":{"start":{"line":3,"column":14},"end":{"line":3,"column":16}},
+                "body": [],
+                "directives": []
+              }
+            }
+          ],
+          "extra": {
+            "parenthesized": true,
+            "parenStart": 0
+          }
+        }
+      }
+    ],
+    "directives": []
+  }
+}
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