From 3e05f210bb4a1cf1175fb8a4cedade94b76429b7 Mon Sep 17 00:00:00 2001
From: Toru Kobayashi <koba0004@gmail.com>
Date: Sat, 29 Sep 2018 01:51:34 +0900
Subject: [PATCH] fix(js): quote property name as es5 compatible (#5157)

---
 src/language-js/printer-estree.js             |  2 +-
 tests/quotes/__snapshots__/jsfmt.spec.js.snap | 30 +++++++++++++++++++
 tests/quotes/objects.js                       |  5 ++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 tests/quotes/objects.js

diff --git a/src/language-js/printer-estree.js b/src/language-js/printer-estree.js
index 04136c590..e1a46343f 100644
--- a/src/language-js/printer-estree.js
+++ b/src/language-js/printer-estree.js
@@ -28,7 +28,7 @@ const {
   isNextLineEmptyAfterIndex,
   getNextNonSpaceNonCommentCharacterIndex
 } = require("../common/util-shared");
-const isIdentifierName = require("esutils").keyword.isIdentifierNameES6;
+const isIdentifierName = require("esutils").keyword.isIdentifierNameES5;
 const embed = require("./embed");
 const clean = require("./clean");
 const insertPragma = require("./pragma").insertPragma;
diff --git a/tests/quotes/__snapshots__/jsfmt.spec.js.snap b/tests/quotes/__snapshots__/jsfmt.spec.js.snap
index 03942bc34..6c1a1817f 100644
--- a/tests/quotes/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/quotes/__snapshots__/jsfmt.spec.js.snap
@@ -30,6 +30,36 @@ function b(object, key) {
 
 `;
 
+exports[`objects.js - flow-verify 1`] = `
+const obj = {
+ 'a': true,
+ b: true,
+ "𐊧": true,
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj = {
+  a: true,
+  b: true,
+  "𐊧": true
+};
+
+`;
+
+exports[`objects.js - flow-verify 2`] = `
+const obj = {
+ 'a': true,
+ b: true,
+ "𐊧": true,
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+const obj = {
+  a: true,
+  b: true,
+  '𐊧': true
+};
+
+`;
+
 exports[`strings.js - flow-verify 1`] = `
 // Prevent strings from being parsed as directives
 // See https://github.com/prettier/prettier/pull/1560#issue-227225960
diff --git a/tests/quotes/objects.js b/tests/quotes/objects.js
new file mode 100644
index 000000000..53a8fe998
--- /dev/null
+++ b/tests/quotes/objects.js
@@ -0,0 +1,5 @@
+const obj = {
+ 'a': true,
+ b: true,
+ "𐊧": true,
+}